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Advancements in AI Research for Digestive System Diseases
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作者 Qigang Feng Jie Li +1 位作者 Xiaoping Tan Qing Zhang 《Journal of Biosciences and Medicines》 2023年第12期173-202,共30页
With the “boom” of AI, researchers have made significant progress in assisting clinical disease diagnosis, prediction, and treatment. This article provides an overview of models built using both traditional machine ... With the “boom” of AI, researchers have made significant progress in assisting clinical disease diagnosis, prediction, and treatment. This article provides an overview of models built using both traditional machine learning methods and deep learning methods, as well as research progress on robotics in digestive system diseases, aiming to provide references for further studies. An application has been developed by domestic and foreign scholars that allows users to upload images of stool samples, which are then analyzed using big data to provide a score for bowel preparation, thereby improving the quality of bowel preparation. In some gastrointestinal diseases, such as Hp infection, Barrett’s esophagus and esophageal cancer, chronic atrophic gastritis and gastric cancer, IBD, etc., artificial intelligence possesses diagnostic capabilities comparable to those of professional endoscopists, and some applications can achieve real-time diagnosis. In the field of liver, gallbladder, and pancreatic diseases, artificial intelligence can assist in preoperative diagnosis using imaging or pathology, and robotic remote operations can be performed during surgery, predicting postoperative risk levels, and more. Different scholars have compared and analyzed various algorithm networks for different diseases to find the best-performing models. On this basis, methods such as the MCA attention mechanism, feature selection, gradient descent, and ensemble models can be introduced to further improve the diagnostic performance of the models. In the future, AI can not only help patients self-manage single or multiple diseases, monitor and manage their own diseases in a standardized and reasonable manner, but also predict and treat digestive system diseases at the genetic level. 展开更多
关键词 AI Deep Learning Digestive System Bowel Preparation Medical Imaging ROBOTICS
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Research Progress of Intestinal Flora in Colorectal Cancer
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作者 Wenli Wei Qing Zhang 《Journal of Biosciences and Medicines》 2024年第3期122-129,共8页
Colorectal cancer, as a common malignant tumor, has been increasing in incidence year by year and has become one of the leading causes of death worldwide. Meanwhile, researchers have found a close relationship between... Colorectal cancer, as a common malignant tumor, has been increasing in incidence year by year and has become one of the leading causes of death worldwide. Meanwhile, researchers have found a close relationship between dysbiosis of the gut microbiota and colorectal cancer, which has further triggered indepth exploration of the role of gut microbiota in the pathogenesis, diagnosis, and treatment of colorectal cancer. Studies have shown that there are specific microbial changes in colorectal cancer tissues, including enrichment or depletion of certain bacterial species, which may be associated with tumor growth, invasion, and metastasis. Additionally, gut microbiota has been found to be closely linked to tumor microenvironment, tumor immune response, chemotherapy drug metabolism, and other factors. In this context, it is imperative to study the gut microbiota in colorectal cancer. A comprehensive understanding of the interaction between gut microbiota and colorectal cancer is not only helpful in revealing novel mechanisms of colorectal cancer development, but also holds promise in providing new strategies and targets for early diagnosis, individualized treatment, and prevention of colorectal cancer. This review aims to thoroughly discuss the research progress of gut microbiota in colorectal cancer, including its compositional characteristics, its role in the occurrence and development of colorectal cancer, and its potential clinical applications. The goal is to provide references and insights for further research in this field. 展开更多
关键词 Intestinal Flora Gut Microbiota Colorectal Cancer TREATMENT
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Progress in the Study of Inflammatory Bowel Disease Patients with Primary Non-Responsiveness
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作者 Yixue Liu Xiaoping Tan 《Journal of Biosciences and Medicines》 2024年第1期72-85,共14页
Inflammatory bowel disease (IBD) is a group of chronic, nonspecific intestinal inflammatory disorders characterized by localized and systemic inflammation. The use of biologic agents in the treatment of IBD patients i... Inflammatory bowel disease (IBD) is a group of chronic, nonspecific intestinal inflammatory disorders characterized by localized and systemic inflammation. The use of biologic agents in the treatment of IBD patients is widespread, and the occurrence of primary non-responsiveness during treatment is also significant. This review briefly summarizes the possible reasons for primary non-responsiveness in IBD patients, as well as predictive markers and current strategies to address it, providing a theoretical reference for early identification and management of IBD patients who do not respond to treatment. 展开更多
关键词 Inflammatory Bowel Disease Primary Non-Responsiveness Anti-Tumor Necrosis Factor
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The Mechanism and Research Progress of Ferroptosis in Esophageal Squamous Cell Carcinoma
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作者 Jinmeng Gong Xiaoping Tan 《Journal of Biosciences and Medicines》 2023年第10期241-254,共14页
Esophageal squamous cell carcinoma (ESCC), as the main histological type of esophageal cancer (EC), has the characteristics of high malignant degree, high mortality and tendency to lymph node metastasis. Despite the c... Esophageal squamous cell carcinoma (ESCC), as the main histological type of esophageal cancer (EC), has the characteristics of high malignant degree, high mortality and tendency to lymph node metastasis. Despite the combination of surgery and chemoradiotherapy, ECSS has a poor prognosis. Ferroptosis is a newly discovered iron-dependent programmed cell death pattern characterized by the accumulation of lipid peroxidation and characteristic morphological changes of mitochondria. It regulates the growth and invasion of cancer cells in various tumors such as gastric cancer and pancreatic cancer. In this article, we mainly introduce the ferroptosis regulatory mechanism in ESCC, hoping to provide a new direction and ideas for the treatment of ECSS. 展开更多
关键词 ESCC Ferroptosis System Xc? GPX4 PUFA MUFA Fe2+ ROS Lipid Peroxidation
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Progress in the Study of Laboratory Indicators Related to Acute Pancreatitis
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作者 Jiacheng Song Xiaoping Tan 《Journal of Biosciences and Medicines》 2024年第1期7-18,共12页
Acute pancreatitis (AP) is one of the more common gastrointestinal diseases in clinics and is characterized by rapid progression, many complications, and high mortality. When it develops into severe pancreatitis, its ... Acute pancreatitis (AP) is one of the more common gastrointestinal diseases in clinics and is characterized by rapid progression, many complications, and high mortality. When it develops into severe pancreatitis, its prognosis is poor. Therefore, early assessment of the degree of inflammatory response plays a crucial role in the treatment plan and prognosis of patients. More and more studies have shown that the levels of D-dimer (D-D), angiotensin-2 (Ang-2), phosphate, heparin-binding protein (HBP), retinol-binding protein-4 (RBP4), and osteoblastic protein (OPN) are closely related to the severity of acute pan-creatitis and can be used as effective indicators for early assessment of AP. In this paper, the research progress of the above indicators in assessing the severity of AP is summarized. 展开更多
关键词 Acute Pancreatitis Laboratory Indicators PROGRESSION ASSESSMENT
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Progress in the Study of the Hepatoprotective Effect of SGLT2i on NAFLD Patients with T2DM
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作者 Fan Yang Xiaoping Tan 《Journal of Biosciences and Medicines》 2024年第1期115-125,共11页
In recent years, the progress of NAFLD has become an important health problem, and the prevention or delay of progress in NAFLD is a major key point. Whether or not to combine T2MD, people are interested in the mechan... In recent years, the progress of NAFLD has become an important health problem, and the prevention or delay of progress in NAFLD is a major key point. Whether or not to combine T2MD, people are interested in the mechanisms and efficacy of SGLT2i for NAFLD. In this review, we summarized the current clinical research on SGLT2i for the combination of T2MD’s NAFLD patients, and the latest evidence of external or animal experiments. These evidences will help us to more accurately understand the protective effects of SGLT2i in NAFLD. Lifestyle changes are still essential to prevent and treat NAFLD, and for all kinds of drugs that treat NAFLD in clinical trials, SGLT2i may be one of the promising treatments. 展开更多
关键词 Sodium-Glucose Cotransporter-2 Inhibitors Non-Alcoholic Fatty Liver Disease Diabetes Mellitus
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Recent advances in dietary supplementation, in treating non-alcoholic fatty liver disease 被引量:26
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作者 Tannaz Eslamparast Sareh Eghtesad +1 位作者 Hossein Poustchi Azita Hekmatdoost 《World Journal of Hepatology》 CAS 2015年第2期204-212,共9页
Nonalcoholic fatty liver disease(NAFLD) is currently known as the most common liver problem, characterized by excessive lipid accumulation in hepatocytes,which may progress to other liver diseases such as nonalcoholic... Nonalcoholic fatty liver disease(NAFLD) is currently known as the most common liver problem, characterized by excessive lipid accumulation in hepatocytes,which may progress to other liver diseases such as nonalcoholic steatohepatitis, hepatic tissue fibrosis, livercirrhosis, and failure or hepatocellular carcinoma. Since NAFLD is positively associated with the development of obesity, insulin resistance, and ultimately type 2 diabetes mellitus, it is often regarded as the hepatic manifestation of the metabolic syndrome. No pharmacologic treatment has yet been proven for this disease. For most patients with presumed or confirmed NAFLD, the only proven strategy is to offer lifestyle advice that can lead to sustained weight loss. Since insulin resistance, oxidative stress, inflammation, and necro-apoptosis are involved in NAFLD pathogenesis, it seems that every potential therapeutic agent should target one or some of these pathologic events. There are many well known anti-oxidants, anti-inflammatory, and insulin sensitizer dietary supplements which have shown beneficial effects on NAFLD improvement in animal and human studies. The purpose of this review is to explore the existing evidences on dietary supplements considered to have hepatoprotective properties, and to present some proposed mechanisms by which they may protect against NAFLD. 展开更多
关键词 NONALCOHOLIC FATTY LIVER DISEASE Dietarysupplementation TREATMENT
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Serum adipokines might predict liver histology findings in non-alcoholic fatty liver disease 被引量:7
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作者 Raika Jamali Mohsen Razavizade +1 位作者 Abbas Arj Mohammad Hossein Aarabi 《World Journal of Gastroenterology》 SCIE CAS 2016年第21期5096-5103,共8页
AIM: To assess significance of serum adipokines to determine the histological severity of non-alcoholic fatty liver disease.METHODS: Patients with persistent elevation in serum aminotransferase levels and well-defined... AIM: To assess significance of serum adipokines to determine the histological severity of non-alcoholic fatty liver disease.METHODS: Patients with persistent elevation in serum aminotransferase levels and well-defined characteristics of fatty liver at ultrasound were enrolled. Individuals with a history of alcohol consumption, hepatotoxic medication, viral hepatitis or known liver disease were excluded. Liver biopsy was performed to confirm nonalcoholic liver disease(NAFLD). The degrees of liver steatosis, lobular inflammation and fibrosis were determined based on the non-alcoholic fatty liver activity score(NAS) by a single expert pathologist. Patients with a NAS of five or higher were considered to have steatohepatitis. Those with a NAS of two or lower were defined as simple fatty liver. Binary logistic regression was used to determine the independent association of adipokines with histological findings. Receiver operating characteristic(ROC) analysis was employed to determine cut-off values of serum adipokines to discriminate the grades of liver steatosis,lobular inflammation and fibrosis. RESULTS: Fifty-four participants aged 37.02 ± 9.82 were enrolled in the study. Higher serum levels of visfatin, IL-8, TNF-α levels were associated independently with steatosis grade of more than 33% [β = 1.08(95%CI: 1.03-1.14), 1.04(95%CI: 1.008-1.07), 1.04(95%CI: 1.004-1.08), P < 0.05]. Elevated serum IL-6 and IL-8 levels were associated independently with advanced lobular inflammation [β = 1.4(95%CI: 1.09-1.8), 1.07(95%CI: 1.003-1.15), P < 0.05]. Similarly, higher TNF-α, resistin, and hepcidin levels were associated independently with advanced fibrosis stage [β = 1.06(95%CI: 1.002-1.12), 19.86(95%CI: 2.79-141.19), 560.72(95%CI: 5.98-5255.33), P < 0.05]. Serum IL-8 and TNF-α values were associated independently with the NAS score, considering a NAS score of 5 as the reference value [β = 1.05(95%CI: 1.01-1.1), 1.13(95%CI: 1.04-1.22), P < 0.05]. CONCLUSION: Certain adipokines may determine the severity of NAFLD histology accurately. 展开更多
关键词 Non-alcoholic fatty liver disease ADIPOKINE HISTOLOGY ADIPONECTIN VISFATIN RESISTIN Hepcidin Interle
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Reciprocal impact of host factors and Helicobacter pylori genotypes on gastric diseases 被引量:5
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作者 Sahar Honarmand-Jahromy Farideh Siavoshi +2 位作者 Reza Malekzadeh Taher Nejad Sattari Saeid Latifi-Navid 《World Journal of Gastroenterology》 SCIE CAS 2015年第31期9317-9327,共11页
AIM: To assess the impact of Helicobacter pylori(H. pylori) genotypes and patient age and sex on the development of gastric diseases.METHODS: H. pylori-infected patients(n = 233) referred to the endoscopy unit at Tehr... AIM: To assess the impact of Helicobacter pylori(H. pylori) genotypes and patient age and sex on the development of gastric diseases.METHODS: H. pylori-infected patients(n = 233) referred to the endoscopy unit at Tehran University of Medical Sciences(Tehran,Iran) were diagnosed with chronic gastritis(CG),gastric ulcer(GU),or duodenal ulcer(DU). Brucella blood agar was used for biopsy cultures and H. pylori isolation under microaerobic conditions. H. pylori isolates were confirmed with biochemical tests and through amplification of the 16 S r RNA gene. DNA was extracted from fresh cultures of the H. pylori isolates and used for amplification of vac A alleles and the cag A gene. Statistical analysis was performed to determine the association between H. pylori genotypes,age(< 40 years vs > 40 years) and sex of the patient,and gastric diseases.RESULTS: CG was the most prevalent gastric disease(113/233; 48.5%),compared to GU(64/233; 27.5%)and DU(56/233; 24%). More patients were male,and gastric diseases were more frequent in patients > 40 years(P < 0.05). The percentage of CG and GU patients that were male and female did not show a significant difference; however DU was more common in males(P < 0.05). Interestingly,a diagnosis of CG in patients > 40 years was more common in females(18.5%) than males(11.6%)(P = 0.05),whereas a diagnosis of GU or DU in patients > 40 years was more frequent in males(14.6% vs 10.7% and 12.4% vs 4.3%,respectively). Overall,genotyping of the H. pylori isolates revealed that the vac A s1(82%),vac A m2(70%),and cag A+(72.5%) alleles were more frequent than vac A s2(18%),vac A m1(29.2%),and cag A-(all P < 0.05). The vac A s1m2 cag A+ genotype was the most prevalent within the three disease groups. vac A s1m2 frequency was 56.2% with a similar occurrence in all diagnoses,while vac A s1m1 appeared more often in DU patients(33.9%). A genotype of vac A s2m2 occurred in 15% of isolates and was more common in CG patients(21.2%); vac A s2m1 was the least common genotype(3%). The vac A s1 allele was found to be a risk factor for DU,vac A s2 for CG,and vac A s1 and vac A s2 for GU(all P < 0.05). The vac A s2m2 genotype was associated with the development of CG and GU compared to DU(P < 0.05). No correlation was found between vac A m or cag A and gastric diseases.CONCLUSION: The outcome of H. pylori infection is the result of interaction between bacterial genotypes and the age and sex of infected individuals. 展开更多
关键词 Age GASTRIC disease GENDER GENOTYPE HELICOBACTER p
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Egg consumption and risk of non-alcoholic fatty liver disease 被引量:3
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作者 Zeinab Mokhtari Hossein Poustchi +1 位作者 Tannaz Eslamparast Azita Hekmatdoost 《World Journal of Hepatology》 CAS 2017年第10期503-509,共7页
AIM To evaluate the association between egg consumption and risk of non-alcoholic fatty liver disease(NAFLD) development.METHODS This case-control study was conducted on individuals who were referred to two hepatology... AIM To evaluate the association between egg consumption and risk of non-alcoholic fatty liver disease(NAFLD) development.METHODS This case-control study was conducted on individuals who were referred to two hepatology clinics in Tehran, Iran in 2015. The study included 169 patients with NAFLD and 782 controls. Egg consumption was estimated using a validated food frequency questionnaire. The participants were categorized according to the frequency of their egg consumption during the previous year: Less than two eggs per week, two to three eggs per week, and four or more eggs per week.RESULTS In the crude model, participants who consumed 2 to 3 eggs per week, were 3.56 times more likely to have NAFLD in comparison to those who consumed less than 2 eggs per week(OR: 3.56; 95%CI: 2.35-5.31). Adjustment for known risk factors of NAFLD strengthenedthis significant association so that individuals have consumed two to three eggs per week had 3.71 times higher risk of NAFLD than those who have eaten less than two eggs per week(OR: 3.71; 95%CI: 1.91, 7.75). CONCLUSION Our data indicate that higher egg consumption in common amount of usage is associated with higher risk of NAFLD. 展开更多
关键词 鸡蛋 饮食 非酒精的脂肪肝疾病 饮食的胆固醇
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Impact of Lamivudine plus Adefovir therapy in chronic hepatitis B Iranian patients, resistant to Lamivudine treatment alone, on disease inhibition: A pilot study
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作者 Arezoo Estakhri Ashraf Mohamadkhani +1 位作者 Hosein Poustchi Ghodrat Montazeri 《Open Journal of Gastroenterology》 2012年第2期72-75,共4页
AIM: To evaluate the impact of combination therapy with Lamivudine and Adefovir for treatment of chronic hepatitis B in Lamivudine-resistant patients. METHODS: Among the 110 adult chronic hepatitis B Iranian patients ... AIM: To evaluate the impact of combination therapy with Lamivudine and Adefovir for treatment of chronic hepatitis B in Lamivudine-resistant patients. METHODS: Among the 110 adult chronic hepatitis B Iranian patients whom were treated with Lamivudine, for 36 months, nineteen patients (17%) with no any biochemical and viral responses to Lamivudine alone, were selected and enrolled in the study. Due to resistancy, Adefovir was added to Lamivudine, and continued for 30 months. We measured HBV_DNA viral load and serum AST, ALT in 0, 12, 24, 30 and 0, 6, 12, 18, 24, 30 months, respectively. RESULTS: Between biochemical and viral characteristics, Repeated Measure analysis identified just biochemical markers— Aspartate Aminotransferase level (AST) (P = 0.002) and Alanine Aminotransferase level (ALT) (P = 0.007) —as predictors of response to treatment, while, viral marker—HBV DNA load—was not statistically significant (P = 0.128). CONCLUSIONS: Treatment for a long time, such as 21.5 ± 8.8 months, with Lami- vudine and Adefovir, can cause liver enzymes including AST and ALT, decreasing and being normal. But, this finding is not indicative, for HBV-DNA viral load. 展开更多
关键词 ADEFOVIR Dipivoxil Lamivudine-Resistant Chronic Hepatitis B Combination TREATMENT
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Organized physical activity and sedentary behaviors in children and adolescents with autism spectrum disorder,cerebral palsy,and intellectual disability
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作者 Amin Nakhostin-Ansari Monir Shayestehfar +2 位作者 Alireza Hasanzadeh Fateme Gorgani Amirhossein Memari 《World Journal of Psychiatry》 SCIE 2023年第9期685-697,共13页
BACKGROUND There is little data on physical activity(PA),organized PA(OPA),and sedentary behaviors in autism spectrum disorders(ASD)and other neurodevelopmental disorders in developing countries.AIM To examine OPA,non... BACKGROUND There is little data on physical activity(PA),organized PA(OPA),and sedentary behaviors in autism spectrum disorders(ASD)and other neurodevelopmental disorders in developing countries.AIM To examine OPA,non-OPA,and sedentary behaviors and their associated factors in children and adolescents with ASD,cerebral palsy(CP),and intellectual disability(ID).METHODS A total of 1020 children and adolescents with ASD,CP,and ID were assessed regarding the child and family information as well as the Children’s Leisure Activities Study Survey.RESULTS The results showed that the OPA level was significantly lower than non-OPA in all groups.Furthermore,the OPA level was significantly lower in the CP group compared to ASD and ID groups(P<0.001).Also,moderate(P<0.001),vigorous(P<0.05),and total(P<0.001)physical activity levels were significantly different between all three groups,with the values being higher in the ASD group compared to the other two.The mean of the total sedentary behavior duration in the ASD group(1819.4 min/week,SD:1680)was significantly lower than in the CP group(2687 min/week,SD:2673)(P=0.007)but not ID group(2176 min/week,SD:2168.9)(P=0.525).CONCLUSION Our findings remark on the participation rate of PA,OPA,and sedentary behaviors of children and adolescents with ASD,CP,and ID in a developing country.In contrast,the need for developing standards of PA/OPA participation in neurodevelopmental disorders is discussed. 展开更多
关键词 Neurodevelopmental disorders Physical disability Mental disability Active lifestyle
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Clinical usefulness of transpapillary removal of common bile duct stones by frequency doubled double pulse Nd:YAG laser 被引量:20
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作者 Tae Hyeon Kim Hyo Jeong Oh +2 位作者 Chang-Soo Choi Dong Han Yeom Suck Chei Choi 《World Journal of Gastroenterology》 SCIE CAS CSCD 2008年第18期2863-2866,共4页
AIM: To study the efficacy and the safety of laser lithotripsy without direct visual control by using a balloon catheter in patients with bile duct stones that could not be extracted by standard technique. METHODS: Th... AIM: To study the efficacy and the safety of laser lithotripsy without direct visual control by using a balloon catheter in patients with bile duct stones that could not be extracted by standard technique. METHODS: The seventeen patients (7 male and 10 female; mean age 67.8 years) with difficult common bile duct (CBD) stones were not amenable for conventional endoscopic maneuvers such as sphincterotomy and mechanical lithotripsy were included in this study. Laser wavelengths of 532 nm and 1064 nm as a double pulse were applied with pulse energy of 120 mJ. The laser fiber was advanced under fluoroscopic control through the ERCP balloon catheter. Laser lithotripsy was continued until the fragment size seemed to be less than 10 mm. Endoscopic extraction of the stones and fragments was performed with the use of the Dormia basket and balloon catheter. RESULTS: Bile duct clearance was achieved in 15 of 17 patients (88%). The mean number of treatment sessions was 1.7 ± 0.6. Endoscopic stone removal could not be achieved in 2 patients (7%). Adverse effects were noted in three patients (hemobilia, pancreatitis, and cholangitis). CONCLUSION: The Frequency Doubled Double Pulse Nd:YAG (FREDDY) laser may be an effective and safe technique in treatment of difficult bile duct stones. 展开更多
关键词 ND:YAG激光 胆结石 治疗方法 临床分析
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What is the quantitative risk of gastric cancer in the first-degree relatives of patients? A meta-analysis 被引量:13
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作者 Mohammad Yaghoobi Julia McNabb-Baltar +1 位作者 Raheleh Bijarchi Richard H Hunt 《World Journal of Gastroenterology》 SCIE CAS 2017年第13期2435-2442,共8页
AIM To quantify the risk of gastric cancer in first-degree relatives of patients with the cancer. METHODS A comprehensive literature search was performed. Case-control trials comparing the frequency of a positive fami... AIM To quantify the risk of gastric cancer in first-degree relatives of patients with the cancer. METHODS A comprehensive literature search was performed. Case-control trials comparing the frequency of a positive family history of gastric cancer in patients with gastric cancer, vs non-gastric cancer controls were retrieved. Studies with missed or non-extractable data, studies in children, abstracts, and duplicate publications were excluded. A meta-analysis of pooled odd ratios was performed using Review Manager 5.0.25. We performed subgroup analysis on Asian studies and a sensitivity analysis based on the quality of the studies, type of the outcome, sample size, and whether studies considered only first-degree relatives. RESULTS Thirty-two relevant studies out of 612 potential abstracts(n = 80690 individuals) were included. 19.0% of the patients and 10.9% of the controls had at least one relative with gastric cancer(P < 0.00001). The pooled relative risk for the development of gastric cancer in association with a positive family history was 2.35(95%CI: 1.96-2.81). The Cochran Q test for heterogeneity was positive(P < 0.00001, I 2 = 92%). After excluding the three outlier studies with the highest relative risks, heterogeneity remained significant(P < 0.00001, I 2 = 90%). The result was not different among Asian studies as compared to others and remained robust in several sensitivity analyses. In the 26 studies which exclusively analysed the history of gastric cancer in first-degree relatives, the relative risk was 2.71(95%CI: 2.08-3.53; P < 0.00001). CONCLUSION Individuals with a first-degree relative affected with gastric cancer have a risk of about 2.5-fold for the development of gastric cancer. This could be due to genetic or environmental factors. Screening and preventive strategies should be developed for this highrisk population. 展开更多
关键词 胃的癌症 风险 亲戚 家庭历史 元分析
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Cerebral and pulmonary embolisms after transcatheter arterial chemoembolization for hepatocellular carcinoma 被引量:10
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作者 Chang Soo Choi Ki Hoon Kim +6 位作者 Geom Seog Seo Eun Young Cho Hyo Jeong Oh Suck Chei Choi Tae Hyeon Kim Haak Cheoul Kim Byung Suk Roh 《World Journal of Gastroenterology》 SCIE CAS CSCD 2008年第30期4834-4837,共4页
A cerebral lipiodol embolism is an extremely rare complication of transcatheter arterial chemoem bolization for hepatocellular carcinoma. We present a case of cerebral lipiodol embolism that occurred afte the third ar... A cerebral lipiodol embolism is an extremely rare complication of transcatheter arterial chemoem bolization for hepatocellular carcinoma. We present a case of cerebral lipiodol embolism that occurred afte the third arterial chemoembolization, report the clinica and radiological findings, and review the medica literature. 展开更多
关键词 肝细胞癌 脑栓塞 转导管动脉化学栓塞 并发症
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Gender differences in ghrelin, nociception genes, psychological factors and quality of life in functional dyspepsia 被引量:16
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作者 Yoon Jin Choi Young Soo Park +4 位作者 Nayoung Kim Yong Sung Kim Sun Min Lee Dong Ho Lee Hyun Chae Jung 《World Journal of Gastroenterology》 SCIE CAS 2017年第45期8053-8061,共9页
AIM to evaluate gender differences in the aspect of ghrelin,nociception-related genes and psychological aspects and the quality of life(Qo L) in Korean functional dyspepsia(FD) patients.METHODS Total of 191 persons we... AIM to evaluate gender differences in the aspect of ghrelin,nociception-related genes and psychological aspects and the quality of life(Qo L) in Korean functional dyspepsia(FD) patients.METHODS Total of 191 persons were prospectively enrolled between March 2013 and May 2016 in Seoul National Bundang Hospital,and classified into control and FD group based on ROME Ⅲ criteria. Questionnaire included assessment for dyspepsia symptoms,Qo L and anxiety or depression. Preproghrelin and nociception genes in the gastric mucosa and plasma acyl/des-acyl ghrelin were measured. RESULTS Lower level of plasma acyl ghrelin in FD patients compared to control was significant only in male(15.9 fmol/m L vs 10.4 fmol/m L,P = 0.017). Significantly higher m RNA expressions of nerve growth factor and transient receptor potential vanilloid receptor 1 were observed in male(P = 0.002 and P = 0.014,respectively) than in female. In contrast,female FD patients had a higher anxiety and depression score than male FD(P = 0.029),and anxiety score was correlated with epigastric pain only in female FD patients(female: Spearman rho = 0.420,P = 0.037). The impairment of overall Qo L was more prominent in female FD patients than male patients(5.4 ± 0.3 vs 6.5 ± 0.3,P = 0.020). CONCLUSION Gender differences of ghrelin and nociception-related genes in male and psychological factors in female underlie FD symptoms. More careful assessment of psychological or emotional status is required particularly for the female FD patients. 展开更多
关键词 功能的消化不良 性差别 生活的质量
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Reduced micro RNA 375 in colorectal cancer upregulates metadherin-mediated signaling 被引量:4
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作者 Seol-Hee Han Ji-Su Mo +1 位作者 Won-Cheol Park Soo-Cheon Chae 《World Journal of Gastroenterology》 SCIE CAS 2019年第44期6495-6507,共13页
BACKGROUND The human microRNA 375(MIR375)is significantly downregulated in human colorectal cancer(CRC)and we have previously shown that MIR375 is a CRCassociated miRNA.The metadherin(MTDH)is a candidate target gene o... BACKGROUND The human microRNA 375(MIR375)is significantly downregulated in human colorectal cancer(CRC)and we have previously shown that MIR375 is a CRCassociated miRNA.The metadherin(MTDH)is a candidate target gene of MIR375.AIM To investigate the interaction and function between MIR375 and MTDH in human CRC.METHODS A luciferase reporter system was used to confirm the effect of MIR375 on MTDH expression.The expression levels of MIR375 and the target genes were evaluated by quantitative RT-PCR(qRT-PCR),western blotting,or immunohistochemistry.RESULTS MTDH expression was found to be upregulated in human CRC tissues compared to that in healthy controls.We show that MIR375 regulates the expression of many genes involved in the MTDH-mediated signal transduction pathways[BRAF-MAPK and phosphatidylinositol-4,5-biphosphate-3-kinase catalytic subunit alpha(PIK3CA)-AKT]in CRC cells.Upregulated MTDH expression levels were found to inhibit NF-κB inhibitor alpha,which further upregulated NFKB1 and RELA expression in CRC cells.CONCLUSION Our findings suggest that suppressing MIR375 expression in CRC regulates cell proliferation and angiogenesis by increasing MTDH expression.Thus,MIR375 may be of therapeutic value in treating human CRC. 展开更多
关键词 MicroRNA 375 Metadherin MITOGEN-ACTIVATED protein KINASE ANGIOGENESIS Cell PROLIFERATION COLORECTAL cancer
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Epidemiological transition of colorectal cancer in developing countries: Environmental factors, molecular pathways, and opportunities for prevention 被引量:18
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作者 Faraz Bishehsari Mahboobeh Mahdavinia +2 位作者 Michele Vacca Reza Malekzadeh Renato Mariani-Costantini 《World Journal of Gastroenterology》 SCIE CAS 2014年第20期6055-6072,共18页
Colorectal cancer(CRC)is one of the leading causes of cancer and cancer-related mortality worldwide.The disease has been traditionally a major health problem in industrial countries,however the CRC rates are increasin... Colorectal cancer(CRC)is one of the leading causes of cancer and cancer-related mortality worldwide.The disease has been traditionally a major health problem in industrial countries,however the CRC rates are increasing in the developing countries that are undergoing economic growth.Several environmental risk factors,mainly changes in diet and life style,have been suggested to underlie the rise of CRC in these populations.Diet and lifestyle impinge on nuclear receptors,on the intestinal microbiota and on crucial molecular pathways that are implicated in intestinal carcinogenesis.In this respect,the epidemiological transition in several regions of the world offers a unique opportunity to better understand CRC carcinogenesis by studying the disease phenotypes and their environmental and molecular associations in different populations.The data from these studies may have important implications for the global prevention and treatment of CRC. 展开更多
关键词 COLORECTAL cancer Developing COUNTRIES Environment
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Biological therapy for ulcerative colitis:An update 被引量:4
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作者 Geom Seog Seo Soo-Cheon Chae 《World Journal of Gastroenterology》 SCIE CAS 2014年第37期13234-13238,共5页
Of the diverse biological agents used for patients with ulcerative colitis, the anti-tumor necrosis factor-αagents infliximab and adalimumab have been used in large-scale clinical trials and are currently widely used... Of the diverse biological agents used for patients with ulcerative colitis, the anti-tumor necrosis factor-αagents infliximab and adalimumab have been used in large-scale clinical trials and are currently widely used in the treatment of inflammatory bowel disease patients. Recent studies have indicated that golimumab,oral tofacitinib and vedolizumab reportedly achieved good clinical response and remission rates in ulcerative colitis patients. Thus, we believe that the detailed investigation of various studies on clinical trials may provide important information for the selection of appropriate biological agents, and therefore, we have extensively reviewed such trials in the present study. 展开更多
关键词 ULCERATIVE COLITIS IMMUNE DYSFUNCTION Biological t
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DA-9601, a standardized extract of Artemisia asiatica, blocks TNF-α-induced IL-8 and CCL20 production by inhibiting p38 kinase and NF-κ-B pathways in human gastric epithelial cells 被引量:4
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作者 Suck-Chei Choi Eun-Ju Choi +12 位作者 Hyun-Mee Oh SungGa Lee Jeong-Kun Lee Meung-Su Lee Yong-Il Shin Suck-Jun Choi Jeong-Ryong Chae Kang-Min Lee Won-Jung Lee Jae-Sik Park Chang-Yell Shin Tae-Young Oh Chang-Duk Jun 《World Journal of Gastroenterology》 SCIE CAS CSCD 2006年第30期4850-4858,共9页
AIM: To investigate whether, or how, DA-9601, which is a new gastroprotective agent, inhibits TNF-α-induced inflammatory signals in gastric epithelial AGS cells. METHODS: Cell viability was determined by MTT assay. I... AIM: To investigate whether, or how, DA-9601, which is a new gastroprotective agent, inhibits TNF-α-induced inflammatory signals in gastric epithelial AGS cells. METHODS: Cell viability was determined by MTT assay. IL-8 and CCL20 promoter activities were determined by a luciferease reporter gene assay. NF-κB-dependent transcriptional activity was determined by I-κBαdegradation, NF-κB p65 nuclear translocation and a luciferase activity assay. IL-8 and CCL20 gene expression and protein secretion were determined by RT-PCR and an enzymelinked immunosorbent assay (ELISA). Total and phos-phorylated forms of mitogen-activated protein kinases (MAPKs) were determined by Western blot. RESULTS: Treatment of AGS cells with DA-9601 reduced TNF-α-induced IL-8 and CCL20 promoter activities, as well as their gene expression and protein release. TNF-αalso induced NF-κB-dependent transcriptional activity in AGS cells. In contrast, in cells treated with DA-9601, TNF-α-induced NF-κB activity was significantly blocked. Although all three MAP kinase family members were phosphorylated in response to TNF-α, a selective inhibitor of p38 kinase SB203580 only could inhibit both NF-κB-dependent transcriptional activity and IL-8 and CCL20 production, suggesting a potential link between p38 kinase and NF-κB-dependent pathways in AGS cells. Interestingly, DA-9601 also selectively inhibited p38 kinase phosphorylation induced by TNF-α. CONCLUSION: DA-9601 blocked TNF-α-mediated inflammatory signals by potentially modulating the p38 kinase pathway and/or a signal leading to NF-κBdependent pathways in gastric epithelial cells. 展开更多
关键词 DA-9601 艾属 NF-κB 胃癌 中药治疗
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