Objective:To discuss the effect of Glycyrrhiza uralensis(G.uralensis) Fisch polysaccharide on growth performance and immunologic function in mice in Ural City,Xinjiang and to provide important data supporting the appl...Objective:To discuss the effect of Glycyrrhiza uralensis(G.uralensis) Fisch polysaccharide on growth performance and immunologic function in mice in Ural City,Xinjiang and to provide important data supporting the application of Glycyrrhiza polysaccharide.Methods:A total of100 Kunming mice aged 3 weeks old were randomly divided into 5 groups with 20 mice in each group(10 were females and 10 were males).About 0.5 mL normal saline was given to the mice of control group every day and 0.5 mL G.uralensis Fisch polysaccharide was given to the mice of other groups at the concentration of 1,20,50 and 100 mg/mL respectively.The growth performance(average body weight,average daily feed intake and feed efficiency),immune organ indexes(spleen index and thymus index) and immunologic function(serum IL-2,CD4^+/CD8^+ and the activity of NK cells) of mice in each group were detected continuously.Results:The average body weight,feed efficiency,serum IL-2,CD4^+/CD8^+ and the activity of NK cells of mice were increased with the increase of administrated time after administrating G.uralensis Fisch polysaccharide and were reached up the largest level on Day 28.At the same time,each index was proportional to the given dose and was significantly higher than those of control group and reached up the largest level at the administrated dose of 100 mg/mL.After administrating G.uralensis Fisch polysaccharide,the spleen index and thymus index of mice were increased with the increase of administrated dose and the spleen index and thymus index of mice administrated with the dose of 100 mg/mL were maximum which was more than 1.51 times and 1.43 times of that in control group respectively and the comparative differences showed statistical significance(P<0.05).The average daily feed intake of mice in each group was increased with the passage of lime and at the same time,the comparison of average daily feed intake of mice in each group was not significantly different(P>0.05).Conclusions:G.uralensis Fisch polysaccharide can significantly improve the growth performance and immunologic function of mice and laid a research basis for the clinical application of G.uralensis Fisch polysaccharide.展开更多
The results of treatment of 54 cases of rheumatoid arthritis(RA)by warm needling(WN)and point-injection(PI)with Zhuifengsu are reported.Good clinical results were observedwith an effective rate of 100%.At the same tim...The results of treatment of 54 cases of rheumatoid arthritis(RA)by warm needling(WN)and point-injection(PI)with Zhuifengsu are reported.Good clinical results were observedwith an effective rate of 100%.At the same time,changes in cellular and humoral immunityand other parameters in peripheral blood were noted before and after treatment.The NK ac-tivity and IL-2 value in RA patients were found to be lower than those of normalindividuals;both increased after treatment(P【0.01).This suggests that the WN and PIwith Zhuifengsu exert a regulatory effect on the cellular immunological function.展开更多
Objective: To observe the effect of low-frequency electroacupuncture (EA) on the immunologic function in morphine dependence rats. Methods: Forty SD rats were used in this study. Morphine-dependence model was establis...Objective: To observe the effect of low-frequency electroacupuncture (EA) on the immunologic function in morphine dependence rats. Methods: Forty SD rats were used in this study. Morphine-dependence model was established by intraperitoneal injection of morphine hydrochloride continuously for 5 days and hastened by administration (i.p) of Naloxone. These rats were randomly divided into control, model, EA and auto-demorphinization groups with 10 cases being in each group. In EA group, "Guanyuan"(CV 4),"Mingmen"(GV 4), etc. were punctured and stimulated electrically. Positive T lymphocyte subgroups, CD + 4 and CD + 8 in the peripheral blood were detected with fluorescence immuno-assay. Results: In model group, serum percentage of CD + 4 and CD + 4/CD + 8 decreased considerably in comparison with those of control group (P<0.01); while in EA group, CD + 4 level and CD + 4/CD + 8 increased significantly compared with those of model group (P<0.01); and no significant differences were found between auto-demorphinization group and model group and between EA and control groups in these two indexes. Conclusion: Low-frequency EA can promote the restoration of the immune function of morphine dependence rats.展开更多
Objective:To investigate the effect of prednisone and cyclophosphamide combine with ligustrazine injection on immunologic function and other related factors in patients with systemic lupus erythematosus (SLE).Methods:...Objective:To investigate the effect of prednisone and cyclophosphamide combine with ligustrazine injection on immunologic function and other related factors in patients with systemic lupus erythematosus (SLE).Methods: The subjects selected 70 patients with SLE who diagnosed and treated in our hospital from March 2014 to May 2018, divided into control group and observation group randomly, 35 cases in each group. The patients in the control group were treated with prednisone combined with cyclophosphamide, and the patients in the observation group was given intravenous drip of ligustrazine injection on the basis of the control group. Before and after treatment, detected and compared the immunologic indexes (IgG, C3, ANA), matrix metalloproteinases (MMP-3, MMP-9, TIMP1), chemotactic factor (CXCL9, CXCL10, CXCL11) and serum levels of IL-10, PRL, S100 protein and EET between the two groups.Results: Before treatments, the immunologic indexes(IgG, C3, ANA), matrix metalloproteinases(MMP-3, MMP-9, TIMP1),chemotactic factor(CXCL9, CXCL10, CXCL11) and serum levels of IL-10, PRL, S100 protein and EET between the two groups had no statistical significance(P>0.05);After treatments, the immunologic indexes (IgG, C3, ANA), matrix metalloproteinases(MMP-3, MMP-9), chemotactic factor (CXCL9, CXCL10, CXCL11) and serum levels of IL-10, PRL, S100 protein and EET between the two groups had statistical significances (P<0.05).Conclusion: Ligustrazine injection was added to SLE patients on the basis of prednisone combined with cyclophosphamide therapy, it not only could significantly improve the immunologic function of patients, but also improve the levels of matrix metalloproteinases, chemokines and related serum factors, it's worthy of clinical research and application.展开更多
Objective: To study the influence of laparoscopic radical correction of oophoroma combined with chemotherapy on Tumor related factors and immunologic function levels. Methods:Retrospective analyses the 95 cases of ova...Objective: To study the influence of laparoscopic radical correction of oophoroma combined with chemotherapy on Tumor related factors and immunologic function levels. Methods:Retrospective analyses the 95 cases of ovarian cancer in our hospital from January 2013 to September 2017, which were divided into the control group and the observation group. The patients in the observation group underwent laparoscopic ovarian cancer radical surgery, the control group underwent open radical resection of ovarian cancer, two patients were combined with TP chemotherapy, the levels of serum MMP-9, HE4, YKL-40, EPO, PRL, TSGF and T lymphocyte subsets (CD3+, CD4+, CD8+ and CD4+/CD8+) in two groups before and after treatment were detected and compared. Results: (1) Before treatment, there was no statistical difference between the levels of serum MMP-9, HE4, YKL-40, EPO, PRL, TSGF in the two groups;After treatment, the levels of serum MMP-9, HE4, YKL-40, EPO, PRL, TSGF in the control group were statistically significant compared with those before treatment in the same group, and the differences were statistically significant between the two groups. (2) Before treatment, there was no statistical difference between the levels of serum T lymphocyte subsets (CD3+, CD4+, CD8+, CD4+/CD8+) in the two groups;After treatment, the differences of serum CD3+, CD4+, CD8+, CD4+/CD8+ were statistically significant compared with those before treatment in the same group, but the differences were not statistically significant between the two groups. Conclusion: Chemotherapy in patients with ovarian cancer TP in laparoscopic radical resection after, can not only significantly improve the patient's serum MMP-9, HE4, YKL-40, EPO, PRL, TSGF level. Moreover, compared with the simple operation, this method does not significantly affect the T lymphocyte subsets of the patients, and is worthy of clinical application.展开更多
Objective: To investigate the effects of low molecular heparin (LMWH) combined with ursodeoxycholic acid (UDCA) on liver function, immunologic function and pregnancy outcome in patients with intrahepatic cholestasis o...Objective: To investigate the effects of low molecular heparin (LMWH) combined with ursodeoxycholic acid (UDCA) on liver function, immunologic function and pregnancy outcome in patients with intrahepatic cholestasis of pregnancy (ICP). Methods: A total of 110 patients with ICP were randomly divided into the observation group (n=55) and the control group (n=55). Patients in the control group received conventional therapy, while patients in the observation group were treated with LMWH hypodermic injection and UDCA orally on the basis of the treatment plan of the control group. Before and after treatment, the levels of serum total bile acid (TBA), glutamic-pyruvic transaminase (ALT), glutamic-oxalacetic transaminase (AST), total bilirubin (TBIL), direct bilirubin (DBIL), alkaline phosphatase (ALP) and immunoglobulin (IgG, IgA, IgM) between the two groups were compared. The changes of T lymphocyte subsets of peripheral blood in the two groups were analyzed, and the pregnancy outcomes of the two groups were observed. Results: After treatment, the serum levels of TBA, ALT, AST, TBIL, DBIL and ALP in the two groups were significantly lower than those before treatment, and the change of each index in the observation group was more obvious than that in the control group. The serum levels of IgG, IgA and IgM in the observation group after treatment were significantly higher than those before treatment and those in the control group after treatment. However, the percentage of CD4+T cells and the ratio of CD4+/CD8+ in the observation group after treatment were significantly lower than those before treatment and those in the control group after treatment. Conclusions: LMWH combined with UDCA could effectively reduce serum bile acid level, improve liver function and regulate immune balance in patients with ICP, and improve outcomes of maternal and fetal.展开更多
[Objective] To study effects of Chinese herbal additive on immunologic functions and productive performance of dairy cows.[Method] A total of 20 healthy dairy cows were randomly divided into control group and experime...[Objective] To study effects of Chinese herbal additive on immunologic functions and productive performance of dairy cows.[Method] A total of 20 healthy dairy cows were randomly divided into control group and experimental group.They were respectively fed a common basal diet and the basal diet containing 100 g Chinese herbal additives.The trial lasted for 49 d.[Result] The 4% fat corrected milk yield(FCM) production,milk yield after weight correction,quantity of solid-not-fat and ash content in the experimental group were significantly higher than those in the control group(P < 0.01).The total lymphocytes(LYM) number of peripheral blood,the percentage of lymphocytes,and IgG concentration in the experimental group were significantly higher than those in the control group on Day 14,28 and 42(P < 0.01).[Conclusion] The Chinese herbal additive can enhance the lactation performance and immunologic function of dairy cows.展开更多
Glycosylation is a process that involves the addition of sugar moieties or glycans to different types of molecules,including proteins,lipids,and nucleic acids.Among these,protein glycosylation is one of the most preva...Glycosylation is a process that involves the addition of sugar moieties or glycans to different types of molecules,including proteins,lipids,and nucleic acids.Among these,protein glycosylation is one of the most prevalent forms of post-translational modification,playing a crucial role in biological complexity.With more than ten monosaccharides identified within mammalian brain cells and more than 1×1012 possible combinations,the heterogeneity of glycosylation is extensive(Conroy et al.,2021).The diversity of glycans and the complexity of their structures allow for a wide range of protein functions.N-glycans are one of the most abundant forms of glycans and are involved in various cellular functions.N-glycans can be added to proteins at specific sequons,Asn-X-Ser/Thr,and are classified into three main types in mature glycoproteins:high mannose,complex,and hybrid.High mannose N-glycans consist of 5-9 mannose residues linked to a chitobiose core and undergo processing into complex or hybrid forms in the Golgi apparatus(Varki et al.,2017).Complex N-glycans are more diverse and contain various branched structures such as antennae with fucose,galactose,and sialic acid residues.Hybrid N-glycans contain one or more complex branches in conjunction with an oligomannose branch(Fisher and Ungar,2016).Understanding the specific functions of these different types of N-glycans in protein regulation,folding,and function is an active area of research in the life sciences,including glycobiology.展开更多
Background:Excessive heat exposure can lead to hyperthermia in humans,which impairs physical performance and disrupts cognitive function.While heat is a known physiological stressor,it is unclear how severe heat stres...Background:Excessive heat exposure can lead to hyperthermia in humans,which impairs physical performance and disrupts cognitive function.While heat is a known physiological stressor,it is unclear how severe heat stress affects brain physiology and function.Methods:Eleven healthy participants were subjected to heat stress from prolonged exercise or warm water immersion until their rectal temperatures(T_(re))attained 39.5℃,inducing exertional or passive hyperthermia,respectively.In a separate trial,blended ice was ingested before and during exercise as a cooling strategy.Data were compared to a control condition with seated rest(normothermic).Brain temperature(T_(br)),cerebral perfusion,and task-based brain activity were assessed using magnetic resonance imaging techniques.Results:T_(br)in motor cortex was found to be tightly regulated at rest(37.3℃±0.4℃(mean±SD))despite fluctuations in T_(re).With the development of hyperthermia,T_(br)increases and dovetails with the rising T_(re).Bilateral motor cortical activity was suppressed during high-intensity plantarflexion tasks,implying a reduced central motor drive in hyperthermic participants(T_(re)=38.5℃±0.1℃).Global gray matter perfusion and regional perfusion in sensorimotor cortex were reduced with passive hyperthermia.Executive function was poorer under a passive hyperthermic state,and this could relate to compromised visual processing as indicated by the reduced activation of left lateral-occipital cortex.Conversely,ingestion of blended ice before and during exercise alleviated the rise in both T_(re)and T_(bc)and mitigated heat-related neural perturbations.Conclusion:Severe heat exposure elevates T_(br),disrupts motor cortical activity and executive function,and this can lead to impairment of physical and cognitive performance.展开更多
Our brain is constantly active.Even at rest,the brain carries out essential functions such as maintenance of resting potentials,subthreshold synaptic activity,and spiking activity related to information processing.Thi...Our brain is constantly active.Even at rest,the brain carries out essential functions such as maintenance of resting potentials,subthreshold synaptic activity,and spiking activity related to information processing.This resting activity can be assessed with several in vivo tools,such as resting-state functional magnetic resonance imaging.This technique measures subtle changes in blood flow,volume,and oxygenation that occur over time.Although vascular in nature,resting-state functional magnetic resonance imaging is considered a reliable proxy of neural activity and several studies have shown that the brain is functionally divided into interacting neural networks called the“functional connectome”.展开更多
Functional magnetic resonance imaging(fMRI)is a popular tool used to investigate not only how the brain responds to specific stimuli during sensorimotor or cognitive tasks,but also brain activity at rest.The physics b...Functional magnetic resonance imaging(fMRI)is a popular tool used to investigate not only how the brain responds to specific stimuli during sensorimotor or cognitive tasks,but also brain activity at rest.The physics beyond this approach is based on the analysis of the blood oxygenation level-dependent signal.展开更多
With the increase of life expectancy and population growth,neurodegenerative diseases have risen too and are projected to be a major health public concern by 2050.Neurodegenerative diseases are characterized by the pr...With the increase of life expectancy and population growth,neurodegenerative diseases have risen too and are projected to be a major health public concern by 2050.Neurodegenerative diseases are characterized by the progressive decline of cognitive function leading to the subsequent loss of autonomy.Although the underlying causes of neurodegeneration are not well understood,aging is the main risk factor.展开更多
Hepatitis B virus(HBV)reactivation is a clinically significant challenge in disease management.This review explores the immunological mechanisms underlying HBV reactivation,emphasizing disease progression and manageme...Hepatitis B virus(HBV)reactivation is a clinically significant challenge in disease management.This review explores the immunological mechanisms underlying HBV reactivation,emphasizing disease progression and management.It delves into host immune responses and reactivation’s delicate balance,spanning innate and adaptive immunity.Viral factors’disruption of this balance,as are interac-tions between viral antigens,immune cells,cytokine networks,and immune checkpoint pathways,are examined.Notably,the roles of T cells,natural killer cells,and antigen-presenting cells are discussed,highlighting their influence on disease progression.HBV reactivation’s impact on disease severity,hepatic flares,liver fibrosis progression,and hepatocellular carcinoma is detailed.Management strategies,including anti-viral and immunomodulatory approaches,are critically analyzed.The role of prophylactic anti-viral therapy during immunosuppressive treatments is explored alongside novel immunotherapeutic interventions to restore immune control and prevent reactivation.In conclusion,this compre-hensive review furnishes a holistic view of the immunological mechanisms that propel HBV reactivation.With a dedicated focus on understanding its implic-ations for disease progression and the prospects of efficient management stra-tegies,this article contributes significantly to the knowledge base.The more profound insights into the intricate interactions between viral elements and the immune system will inform evidence-based approaches,ultimately enhancing disease management and elevating patient outcomes.The dynamic landscape of management strategies is critically scrutinized,spanning anti-viral and immunomodulatory approaches.The role of prophylactic anti-viral therapy in preventing reactivation during immunosuppressive treatments and the potential of innovative immunotherapeutic interventions to restore immune control and proactively deter reactivation.展开更多
BACKGROUND Left ventricular(LV)remodeling and diastolic function in people with heart failure(HF)are correlated with iron status;however,the causality is uncertain.This Mendelian randomization(MR)study investigated th...BACKGROUND Left ventricular(LV)remodeling and diastolic function in people with heart failure(HF)are correlated with iron status;however,the causality is uncertain.This Mendelian randomization(MR)study investigated the bidirectional causal relationship between systemic iron parameters and LV structure and function in a preserved ejection fraction population.METHODS Transferrin saturation(TSAT),total iron binding capacity(TIBC),and serum iron and ferritin levels were extracted as instrumental variables for iron parameters from meta-analyses of public genome-wide association studies.Individuals without myocardial infarction history,HF,or LV ejection fraction(LVEF)<50%(n=16,923)in the UK Biobank Cardiovascular Magnetic Resonance Imaging Study constituted the outcome dataset.The dataset included LV end-diastolic volume,LV endsystolic volume,LV mass(LVM),and LVM-to-end-diastolic volume ratio(LVMVR).We used a two-sample bidirectional MR study with inverse variance weighting(IVW)as the primary analysis method and estimation methods using different algorithms to improve the robustness of the results.RESULTS In the IVW analysis,one standard deviation(SD)increased in TSAT significantly correlated with decreased LVMVR(β=-0.1365;95%confidence interval[CI]:-0.2092 to-0.0638;P=0.0002)after Bonferroni adjustment.Conversely,no significant relationships were observed between other iron and LV parameters.After Bonferroni correction,reverse MR analysis showed that one SD increase in LVEF significantly correlated with decreased TSAT(β=-0.0699;95%CI:-0.1087 to-0.0311;P=0.0004).No heterogeneity or pleiotropic effects evidence was observed in the analysis.CONCLUSIONS We demonstrated a causal relationship between TSAT and LV remodeling and function in a preserved ejection fraction population.展开更多
In traditional finite-temperature Kohn–Sham density functional theory(KSDFT),the partial occupation of a large number of high-energy KS eigenstates restricts the use of first-principles molecular dynamics methods at ...In traditional finite-temperature Kohn–Sham density functional theory(KSDFT),the partial occupation of a large number of high-energy KS eigenstates restricts the use of first-principles molecular dynamics methods at extremely high temperatures.However,stochastic density functional theory(SDFT)can overcome this limitation.Recently,SDFT and the related mixed stochastic–deterministic density functional theory,based on a plane-wave basis set,have been implemented in the first-principles electronic structure software ABACUS[Q.Liu and M.Chen,Phys.Rev.B 106,125132(2022)].In this study,we combine SDFT with the Born–Oppenheimer molecular dynamics method to investigate systems with temperatures ranging from a few tens of eV to 1000 eV.Importantly,we train machine-learning-based interatomic models using the SDFT data and employ these deep potential models to simulate large-scale systems with long trajectories.Subsequently,we compute and analyze the structural properties,dynamic properties,and transport coefficients of warm dense matter.展开更多
Assume that L is a non-negative self-adjoint operator on L^(2)(ℝ^(n))with its heat kernels satisfying the so-called Gaussian upper bound estimate and that X is a ball quasi-Banach function space onℝ^(n) satisfying som...Assume that L is a non-negative self-adjoint operator on L^(2)(ℝ^(n))with its heat kernels satisfying the so-called Gaussian upper bound estimate and that X is a ball quasi-Banach function space onℝ^(n) satisfying some mild assumptions.Let HX,L(ℝ^(n))be the Hardy space associated with both X and L,which is defined by the Lusin area function related to the semigroup generated by L.In this article,the authors establish various maximal function characterizations of the Hardy space HX,L(ℝ^(n))and then apply these characterizations to obtain the solvability of the related Cauchy problem.These results have a wide range of generality and,in particular,the specific spaces X to which these results can be applied include the weighted space,the variable space,the mixed-norm space,the Orlicz space,the Orlicz-slice space,and the Morrey space.Moreover,the obtained maximal function characterizations of the mixed-norm Hardy space,the Orlicz-slice Hardy space,and the Morrey-Hardy space associated with L are completely new.展开更多
Several densities or probability laws of continuous random variables derive from the Euler Gamma function. These laws form the basis of sampling theory, namely hypothesis testing and estimation. Namely the gamma, beta...Several densities or probability laws of continuous random variables derive from the Euler Gamma function. These laws form the basis of sampling theory, namely hypothesis testing and estimation. Namely the gamma, beta, and Student law, through the chi-square law and the normal law are all distributions resulting from applications of Euleur functions.展开更多
For a set S of real numbers, we introduce the concept of S-almost automorphic functions valued in a Banach space. It generalizes in particular the space of Z-almost automorphic functions. Considering the space of S-al...For a set S of real numbers, we introduce the concept of S-almost automorphic functions valued in a Banach space. It generalizes in particular the space of Z-almost automorphic functions. Considering the space of S-almost automorphic functions, we give sufficient conditions of the existence and uniqueness of almost automorphic solutions of a differential equation with a piecewise constant argument of generalized type. This is done using the Banach fixed point theorem.展开更多
Visual system is vital to human beings.Unfortunately,the optic nerve lacks the ability to regenerate after injury.Therefo re,long-distance regeneration of the optic nerve is a major unsolved medical problem in the wor...Visual system is vital to human beings.Unfortunately,the optic nerve lacks the ability to regenerate after injury.Therefo re,long-distance regeneration of the optic nerve is a major unsolved medical problem in the world(Laha et al.,2017).Recently,Li and So groups' study showed that the bioactive material(ciliary neurotrophic factor[CNTF]-chitosan) could promote long-distance regeneration of the completely transected optic nerve in adult rats and partially restored the visual functions(Liu et al.,2023).This study sheds light on the clinical potential for repairing the severely injured optic nerve.展开更多
基金supported by Scientific Research Innovation Project of Graduate Education Innovation Fund from Xinjiang(Grant No. XJGRI2014057)
文摘Objective:To discuss the effect of Glycyrrhiza uralensis(G.uralensis) Fisch polysaccharide on growth performance and immunologic function in mice in Ural City,Xinjiang and to provide important data supporting the application of Glycyrrhiza polysaccharide.Methods:A total of100 Kunming mice aged 3 weeks old were randomly divided into 5 groups with 20 mice in each group(10 were females and 10 were males).About 0.5 mL normal saline was given to the mice of control group every day and 0.5 mL G.uralensis Fisch polysaccharide was given to the mice of other groups at the concentration of 1,20,50 and 100 mg/mL respectively.The growth performance(average body weight,average daily feed intake and feed efficiency),immune organ indexes(spleen index and thymus index) and immunologic function(serum IL-2,CD4^+/CD8^+ and the activity of NK cells) of mice in each group were detected continuously.Results:The average body weight,feed efficiency,serum IL-2,CD4^+/CD8^+ and the activity of NK cells of mice were increased with the increase of administrated time after administrating G.uralensis Fisch polysaccharide and were reached up the largest level on Day 28.At the same time,each index was proportional to the given dose and was significantly higher than those of control group and reached up the largest level at the administrated dose of 100 mg/mL.After administrating G.uralensis Fisch polysaccharide,the spleen index and thymus index of mice were increased with the increase of administrated dose and the spleen index and thymus index of mice administrated with the dose of 100 mg/mL were maximum which was more than 1.51 times and 1.43 times of that in control group respectively and the comparative differences showed statistical significance(P<0.05).The average daily feed intake of mice in each group was increased with the passage of lime and at the same time,the comparison of average daily feed intake of mice in each group was not significantly different(P>0.05).Conclusions:G.uralensis Fisch polysaccharide can significantly improve the growth performance and immunologic function of mice and laid a research basis for the clinical application of G.uralensis Fisch polysaccharide.
文摘The results of treatment of 54 cases of rheumatoid arthritis(RA)by warm needling(WN)and point-injection(PI)with Zhuifengsu are reported.Good clinical results were observedwith an effective rate of 100%.At the same time,changes in cellular and humoral immunityand other parameters in peripheral blood were noted before and after treatment.The NK ac-tivity and IL-2 value in RA patients were found to be lower than those of normalindividuals;both increased after treatment(P【0.01).This suggests that the WN and PIwith Zhuifengsu exert a regulatory effect on the cellular immunological function.
文摘Objective: To observe the effect of low-frequency electroacupuncture (EA) on the immunologic function in morphine dependence rats. Methods: Forty SD rats were used in this study. Morphine-dependence model was established by intraperitoneal injection of morphine hydrochloride continuously for 5 days and hastened by administration (i.p) of Naloxone. These rats were randomly divided into control, model, EA and auto-demorphinization groups with 10 cases being in each group. In EA group, "Guanyuan"(CV 4),"Mingmen"(GV 4), etc. were punctured and stimulated electrically. Positive T lymphocyte subgroups, CD + 4 and CD + 8 in the peripheral blood were detected with fluorescence immuno-assay. Results: In model group, serum percentage of CD + 4 and CD + 4/CD + 8 decreased considerably in comparison with those of control group (P<0.01); while in EA group, CD + 4 level and CD + 4/CD + 8 increased significantly compared with those of model group (P<0.01); and no significant differences were found between auto-demorphinization group and model group and between EA and control groups in these two indexes. Conclusion: Low-frequency EA can promote the restoration of the immune function of morphine dependence rats.
文摘Objective:To investigate the effect of prednisone and cyclophosphamide combine with ligustrazine injection on immunologic function and other related factors in patients with systemic lupus erythematosus (SLE).Methods: The subjects selected 70 patients with SLE who diagnosed and treated in our hospital from March 2014 to May 2018, divided into control group and observation group randomly, 35 cases in each group. The patients in the control group were treated with prednisone combined with cyclophosphamide, and the patients in the observation group was given intravenous drip of ligustrazine injection on the basis of the control group. Before and after treatment, detected and compared the immunologic indexes (IgG, C3, ANA), matrix metalloproteinases (MMP-3, MMP-9, TIMP1), chemotactic factor (CXCL9, CXCL10, CXCL11) and serum levels of IL-10, PRL, S100 protein and EET between the two groups.Results: Before treatments, the immunologic indexes(IgG, C3, ANA), matrix metalloproteinases(MMP-3, MMP-9, TIMP1),chemotactic factor(CXCL9, CXCL10, CXCL11) and serum levels of IL-10, PRL, S100 protein and EET between the two groups had no statistical significance(P>0.05);After treatments, the immunologic indexes (IgG, C3, ANA), matrix metalloproteinases(MMP-3, MMP-9), chemotactic factor (CXCL9, CXCL10, CXCL11) and serum levels of IL-10, PRL, S100 protein and EET between the two groups had statistical significances (P<0.05).Conclusion: Ligustrazine injection was added to SLE patients on the basis of prednisone combined with cyclophosphamide therapy, it not only could significantly improve the immunologic function of patients, but also improve the levels of matrix metalloproteinases, chemokines and related serum factors, it's worthy of clinical research and application.
文摘Objective: To study the influence of laparoscopic radical correction of oophoroma combined with chemotherapy on Tumor related factors and immunologic function levels. Methods:Retrospective analyses the 95 cases of ovarian cancer in our hospital from January 2013 to September 2017, which were divided into the control group and the observation group. The patients in the observation group underwent laparoscopic ovarian cancer radical surgery, the control group underwent open radical resection of ovarian cancer, two patients were combined with TP chemotherapy, the levels of serum MMP-9, HE4, YKL-40, EPO, PRL, TSGF and T lymphocyte subsets (CD3+, CD4+, CD8+ and CD4+/CD8+) in two groups before and after treatment were detected and compared. Results: (1) Before treatment, there was no statistical difference between the levels of serum MMP-9, HE4, YKL-40, EPO, PRL, TSGF in the two groups;After treatment, the levels of serum MMP-9, HE4, YKL-40, EPO, PRL, TSGF in the control group were statistically significant compared with those before treatment in the same group, and the differences were statistically significant between the two groups. (2) Before treatment, there was no statistical difference between the levels of serum T lymphocyte subsets (CD3+, CD4+, CD8+, CD4+/CD8+) in the two groups;After treatment, the differences of serum CD3+, CD4+, CD8+, CD4+/CD8+ were statistically significant compared with those before treatment in the same group, but the differences were not statistically significant between the two groups. Conclusion: Chemotherapy in patients with ovarian cancer TP in laparoscopic radical resection after, can not only significantly improve the patient's serum MMP-9, HE4, YKL-40, EPO, PRL, TSGF level. Moreover, compared with the simple operation, this method does not significantly affect the T lymphocyte subsets of the patients, and is worthy of clinical application.
基金the Natural Science Foundation of Beijing(2152319).
文摘Objective: To investigate the effects of low molecular heparin (LMWH) combined with ursodeoxycholic acid (UDCA) on liver function, immunologic function and pregnancy outcome in patients with intrahepatic cholestasis of pregnancy (ICP). Methods: A total of 110 patients with ICP were randomly divided into the observation group (n=55) and the control group (n=55). Patients in the control group received conventional therapy, while patients in the observation group were treated with LMWH hypodermic injection and UDCA orally on the basis of the treatment plan of the control group. Before and after treatment, the levels of serum total bile acid (TBA), glutamic-pyruvic transaminase (ALT), glutamic-oxalacetic transaminase (AST), total bilirubin (TBIL), direct bilirubin (DBIL), alkaline phosphatase (ALP) and immunoglobulin (IgG, IgA, IgM) between the two groups were compared. The changes of T lymphocyte subsets of peripheral blood in the two groups were analyzed, and the pregnancy outcomes of the two groups were observed. Results: After treatment, the serum levels of TBA, ALT, AST, TBIL, DBIL and ALP in the two groups were significantly lower than those before treatment, and the change of each index in the observation group was more obvious than that in the control group. The serum levels of IgG, IgA and IgM in the observation group after treatment were significantly higher than those before treatment and those in the control group after treatment. However, the percentage of CD4+T cells and the ratio of CD4+/CD8+ in the observation group after treatment were significantly lower than those before treatment and those in the control group after treatment. Conclusions: LMWH combined with UDCA could effectively reduce serum bile acid level, improve liver function and regulate immune balance in patients with ICP, and improve outcomes of maternal and fetal.
基金supported by Key Project " Improvement and Mechanism of Anti-heat Stress Chinese Herbal Additive of DairyCows" of Wuhan Bureau of Education (2006207)
文摘[Objective] To study effects of Chinese herbal additive on immunologic functions and productive performance of dairy cows.[Method] A total of 20 healthy dairy cows were randomly divided into control group and experimental group.They were respectively fed a common basal diet and the basal diet containing 100 g Chinese herbal additives.The trial lasted for 49 d.[Result] The 4% fat corrected milk yield(FCM) production,milk yield after weight correction,quantity of solid-not-fat and ash content in the experimental group were significantly higher than those in the control group(P < 0.01).The total lymphocytes(LYM) number of peripheral blood,the percentage of lymphocytes,and IgG concentration in the experimental group were significantly higher than those in the control group on Day 14,28 and 42(P < 0.01).[Conclusion] The Chinese herbal additive can enhance the lactation performance and immunologic function of dairy cows.
基金supported by the Institute for Basic Science(IBS-R001-D2-2022-A03).
文摘Glycosylation is a process that involves the addition of sugar moieties or glycans to different types of molecules,including proteins,lipids,and nucleic acids.Among these,protein glycosylation is one of the most prevalent forms of post-translational modification,playing a crucial role in biological complexity.With more than ten monosaccharides identified within mammalian brain cells and more than 1×1012 possible combinations,the heterogeneity of glycosylation is extensive(Conroy et al.,2021).The diversity of glycans and the complexity of their structures allow for a wide range of protein functions.N-glycans are one of the most abundant forms of glycans and are involved in various cellular functions.N-glycans can be added to proteins at specific sequons,Asn-X-Ser/Thr,and are classified into three main types in mature glycoproteins:high mannose,complex,and hybrid.High mannose N-glycans consist of 5-9 mannose residues linked to a chitobiose core and undergo processing into complex or hybrid forms in the Golgi apparatus(Varki et al.,2017).Complex N-glycans are more diverse and contain various branched structures such as antennae with fucose,galactose,and sialic acid residues.Hybrid N-glycans contain one or more complex branches in conjunction with an oligomannose branch(Fisher and Ungar,2016).Understanding the specific functions of these different types of N-glycans in protein regulation,folding,and function is an active area of research in the life sciences,including glycobiology.
基金supported by Defence Innovative Research Program(DIRP)Grant(PA No.9015102335)from Defence Research&Technology Office,Ministry of Defence,Singapore。
文摘Background:Excessive heat exposure can lead to hyperthermia in humans,which impairs physical performance and disrupts cognitive function.While heat is a known physiological stressor,it is unclear how severe heat stress affects brain physiology and function.Methods:Eleven healthy participants were subjected to heat stress from prolonged exercise or warm water immersion until their rectal temperatures(T_(re))attained 39.5℃,inducing exertional or passive hyperthermia,respectively.In a separate trial,blended ice was ingested before and during exercise as a cooling strategy.Data were compared to a control condition with seated rest(normothermic).Brain temperature(T_(br)),cerebral perfusion,and task-based brain activity were assessed using magnetic resonance imaging techniques.Results:T_(br)in motor cortex was found to be tightly regulated at rest(37.3℃±0.4℃(mean±SD))despite fluctuations in T_(re).With the development of hyperthermia,T_(br)increases and dovetails with the rising T_(re).Bilateral motor cortical activity was suppressed during high-intensity plantarflexion tasks,implying a reduced central motor drive in hyperthermic participants(T_(re)=38.5℃±0.1℃).Global gray matter perfusion and regional perfusion in sensorimotor cortex were reduced with passive hyperthermia.Executive function was poorer under a passive hyperthermic state,and this could relate to compromised visual processing as indicated by the reduced activation of left lateral-occipital cortex.Conversely,ingestion of blended ice before and during exercise alleviated the rise in both T_(re)and T_(bc)and mitigated heat-related neural perturbations.Conclusion:Severe heat exposure elevates T_(br),disrupts motor cortical activity and executive function,and this can lead to impairment of physical and cognitive performance.
文摘Our brain is constantly active.Even at rest,the brain carries out essential functions such as maintenance of resting potentials,subthreshold synaptic activity,and spiking activity related to information processing.This resting activity can be assessed with several in vivo tools,such as resting-state functional magnetic resonance imaging.This technique measures subtle changes in blood flow,volume,and oxygenation that occur over time.Although vascular in nature,resting-state functional magnetic resonance imaging is considered a reliable proxy of neural activity and several studies have shown that the brain is functionally divided into interacting neural networks called the“functional connectome”.
文摘Functional magnetic resonance imaging(fMRI)is a popular tool used to investigate not only how the brain responds to specific stimuli during sensorimotor or cognitive tasks,but also brain activity at rest.The physics beyond this approach is based on the analysis of the blood oxygenation level-dependent signal.
基金supported by The David and Inez Myers Foundation,Beachwood,OH,USA(to DT)。
文摘With the increase of life expectancy and population growth,neurodegenerative diseases have risen too and are projected to be a major health public concern by 2050.Neurodegenerative diseases are characterized by the progressive decline of cognitive function leading to the subsequent loss of autonomy.Although the underlying causes of neurodegeneration are not well understood,aging is the main risk factor.
文摘Hepatitis B virus(HBV)reactivation is a clinically significant challenge in disease management.This review explores the immunological mechanisms underlying HBV reactivation,emphasizing disease progression and management.It delves into host immune responses and reactivation’s delicate balance,spanning innate and adaptive immunity.Viral factors’disruption of this balance,as are interac-tions between viral antigens,immune cells,cytokine networks,and immune checkpoint pathways,are examined.Notably,the roles of T cells,natural killer cells,and antigen-presenting cells are discussed,highlighting their influence on disease progression.HBV reactivation’s impact on disease severity,hepatic flares,liver fibrosis progression,and hepatocellular carcinoma is detailed.Management strategies,including anti-viral and immunomodulatory approaches,are critically analyzed.The role of prophylactic anti-viral therapy during immunosuppressive treatments is explored alongside novel immunotherapeutic interventions to restore immune control and prevent reactivation.In conclusion,this compre-hensive review furnishes a holistic view of the immunological mechanisms that propel HBV reactivation.With a dedicated focus on understanding its implic-ations for disease progression and the prospects of efficient management stra-tegies,this article contributes significantly to the knowledge base.The more profound insights into the intricate interactions between viral elements and the immune system will inform evidence-based approaches,ultimately enhancing disease management and elevating patient outcomes.The dynamic landscape of management strategies is critically scrutinized,spanning anti-viral and immunomodulatory approaches.The role of prophylactic anti-viral therapy in preventing reactivation during immunosuppressive treatments and the potential of innovative immunotherapeutic interventions to restore immune control and proactively deter reactivation.
基金funded by the Key Research and Development of the Gansu Province(No.20YF8FA 079)the Construction Project of the Gansu Clinical Medical Research Center(No.18JR2FA003).
文摘BACKGROUND Left ventricular(LV)remodeling and diastolic function in people with heart failure(HF)are correlated with iron status;however,the causality is uncertain.This Mendelian randomization(MR)study investigated the bidirectional causal relationship between systemic iron parameters and LV structure and function in a preserved ejection fraction population.METHODS Transferrin saturation(TSAT),total iron binding capacity(TIBC),and serum iron and ferritin levels were extracted as instrumental variables for iron parameters from meta-analyses of public genome-wide association studies.Individuals without myocardial infarction history,HF,or LV ejection fraction(LVEF)<50%(n=16,923)in the UK Biobank Cardiovascular Magnetic Resonance Imaging Study constituted the outcome dataset.The dataset included LV end-diastolic volume,LV endsystolic volume,LV mass(LVM),and LVM-to-end-diastolic volume ratio(LVMVR).We used a two-sample bidirectional MR study with inverse variance weighting(IVW)as the primary analysis method and estimation methods using different algorithms to improve the robustness of the results.RESULTS In the IVW analysis,one standard deviation(SD)increased in TSAT significantly correlated with decreased LVMVR(β=-0.1365;95%confidence interval[CI]:-0.2092 to-0.0638;P=0.0002)after Bonferroni adjustment.Conversely,no significant relationships were observed between other iron and LV parameters.After Bonferroni correction,reverse MR analysis showed that one SD increase in LVEF significantly correlated with decreased TSAT(β=-0.0699;95%CI:-0.1087 to-0.0311;P=0.0004).No heterogeneity or pleiotropic effects evidence was observed in the analysis.CONCLUSIONS We demonstrated a causal relationship between TSAT and LV remodeling and function in a preserved ejection fraction population.
基金supported by the National Natural Science Foundation of China under Grant Nos.12122401 and 12074007.
文摘In traditional finite-temperature Kohn–Sham density functional theory(KSDFT),the partial occupation of a large number of high-energy KS eigenstates restricts the use of first-principles molecular dynamics methods at extremely high temperatures.However,stochastic density functional theory(SDFT)can overcome this limitation.Recently,SDFT and the related mixed stochastic–deterministic density functional theory,based on a plane-wave basis set,have been implemented in the first-principles electronic structure software ABACUS[Q.Liu and M.Chen,Phys.Rev.B 106,125132(2022)].In this study,we combine SDFT with the Born–Oppenheimer molecular dynamics method to investigate systems with temperatures ranging from a few tens of eV to 1000 eV.Importantly,we train machine-learning-based interatomic models using the SDFT data and employ these deep potential models to simulate large-scale systems with long trajectories.Subsequently,we compute and analyze the structural properties,dynamic properties,and transport coefficients of warm dense matter.
基金supported by the National Key Research and Development Program of China(2020YFA0712900)the National Natural Science Foundation of China(12371093,12071197,12122102 and 12071431)+2 种基金the Key Project of Gansu Provincial National Science Foundation(23JRRA1022)the Fundamental Research Funds for the Central Universities(2233300008 and lzujbky-2021-ey18)the Innovative Groups of Basic Research in Gansu Province(22JR5RA391).
文摘Assume that L is a non-negative self-adjoint operator on L^(2)(ℝ^(n))with its heat kernels satisfying the so-called Gaussian upper bound estimate and that X is a ball quasi-Banach function space onℝ^(n) satisfying some mild assumptions.Let HX,L(ℝ^(n))be the Hardy space associated with both X and L,which is defined by the Lusin area function related to the semigroup generated by L.In this article,the authors establish various maximal function characterizations of the Hardy space HX,L(ℝ^(n))and then apply these characterizations to obtain the solvability of the related Cauchy problem.These results have a wide range of generality and,in particular,the specific spaces X to which these results can be applied include the weighted space,the variable space,the mixed-norm space,the Orlicz space,the Orlicz-slice space,and the Morrey space.Moreover,the obtained maximal function characterizations of the mixed-norm Hardy space,the Orlicz-slice Hardy space,and the Morrey-Hardy space associated with L are completely new.
文摘Several densities or probability laws of continuous random variables derive from the Euler Gamma function. These laws form the basis of sampling theory, namely hypothesis testing and estimation. Namely the gamma, beta, and Student law, through the chi-square law and the normal law are all distributions resulting from applications of Euleur functions.
文摘For a set S of real numbers, we introduce the concept of S-almost automorphic functions valued in a Banach space. It generalizes in particular the space of Z-almost automorphic functions. Considering the space of S-almost automorphic functions, we give sufficient conditions of the existence and uniqueness of almost automorphic solutions of a differential equation with a piecewise constant argument of generalized type. This is done using the Banach fixed point theorem.
文摘Visual system is vital to human beings.Unfortunately,the optic nerve lacks the ability to regenerate after injury.Therefo re,long-distance regeneration of the optic nerve is a major unsolved medical problem in the world(Laha et al.,2017).Recently,Li and So groups' study showed that the bioactive material(ciliary neurotrophic factor[CNTF]-chitosan) could promote long-distance regeneration of the completely transected optic nerve in adult rats and partially restored the visual functions(Liu et al.,2023).This study sheds light on the clinical potential for repairing the severely injured optic nerve.
