BACKGROUND Pulmonary mucormycosis is a rare but life-threatening invasive fungal infection that mostly affects immunocompromised patients.This disease usually develops acutely and progresses rapidly,often leading to a...BACKGROUND Pulmonary mucormycosis is a rare but life-threatening invasive fungal infection that mostly affects immunocompromised patients.This disease usually develops acutely and progresses rapidly,often leading to a poor clinical prognosis.Chronic pulmonary mucormycosis is highly unusual in immunocompetent patients.CASE SUMMARY A 43-year-old man,who was a house improvement worker with a long history of occupational dust exposure,presented with an irritating cough that had lasted for two months.The patient was previously in good health,without dysglycemia or any known immunodeficiencies.Chest computed tomography revealed a mass in the left lower lobe,measuring approximately 6 cm in diameter,which was suspected to be primary lung carcinoma complicated with obstructive pneumonia.Thoracoscopic-assisted left lower lobectomy was performed,and metagenomic next-generation sequencing detection,along with special pathological staining of surgical specimens,suggested Rhizopus microsporus infection.Postoperatively,the patient’s respiratory symptoms were relieved,and no signs of recurrence were found during the six-month follow-up.CONCLUSION This article reports a rare case of chronic pulmonary mucormycosis caused by Rhizopus microsporus in a middle-aged male without dysglycemia or immunodeficiency.The patient’s surgical outcome was excellent,reaffirming that surgery remains the cornerstone of pulmonary mucormycosis treatment.展开更多
The coronavirus disease 2019(COVID-19)pandemic had a devastating impact on human society.Beginning with genome surveillance of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),the development of omics techn...The coronavirus disease 2019(COVID-19)pandemic had a devastating impact on human society.Beginning with genome surveillance of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),the development of omics technologies brought a clearer understanding of the complex SARS-CoV-2 and COVID-19.Here,we reviewed how omics,including genomics,proteomics,single-cell multi-omics,and clinical phenomics,play roles in answering biological and clinical questions about COVID-19.Large-scale sequencing and advanced analysis methods facilitate COVID-19 discovery from virus evolution and severity risk prediction to potential treatment identification.Omics would indicate precise and globalized prevention and medicine for the COVID-19 pandemic under the utilization of big data capability and phenotypes refinement.Furthermore,decoding the evolution rule of SARS-CoV-2 by deep learning models is promising to forecast new variants and achieve more precise data to predict future pandemics and prevent them on time.展开更多
Exosomes play critical roles in regulating various physiological and pathological processes,including immune stimulation,immune suppression,cardiovascular diseases,and cancers.Recent studies show that exosomes that tr...Exosomes play critical roles in regulating various physiological and pathological processes,including immune stimulation,immune suppression,cardiovascular diseases,and cancers.Recent studies show that exosomes that transport specific microRNAs(miRNAs)are involved in tumor development.However,the molecular mechanism by which tumor invasion and migration are regulated by exosomes from non-small cell lung cancer(NSCLC)is not well understood.Here,we show that exosomes shuttling low levels of miR-34c-3p are involved in NSCLC progression.Our results showed that exosomes derived from NSCLC cells carrying low levels of miR-34c-3p could be transported into the cytoplasm of NSCLC cells and accelerate NSCLC invasion and migration by upregulating integrinα2β1.A luciferase assay revealed that integrinα2β1 was the direct target of miR-34c-3p,and overexpression of integrinα2β1 could promote the invasion and migration of NSCLC cells.The analysis of exosomes derived from clinical serum samples indicated that the expression of miR-34c-3p was significantly downregulated in exosomes from NSCLC patients compared with that of normal controls.A549-derived exosomes promoted NSCLC cells lung metastases in vivo.Exosomes shuttling low levels of miR-34c-3p were associated with the progression of NSCLC in vitro and in vivo.Our data demonstrate that exosomes shuttling low levels of miR-34c-3p can accelerate the invasion and migration of NSCLC by upregulating integrinα2β1.MiR-34c-3p can be a diagnostic and prognostic marker for NSCLC.High expression of integrinα2β1 is positively related to the migration and metastasis of NSCLC cells.展开更多
基金Supported by Hunan Provincial Natural Science Foundation of China,No.2022JJ40247,No.2022JJ40256。
文摘BACKGROUND Pulmonary mucormycosis is a rare but life-threatening invasive fungal infection that mostly affects immunocompromised patients.This disease usually develops acutely and progresses rapidly,often leading to a poor clinical prognosis.Chronic pulmonary mucormycosis is highly unusual in immunocompetent patients.CASE SUMMARY A 43-year-old man,who was a house improvement worker with a long history of occupational dust exposure,presented with an irritating cough that had lasted for two months.The patient was previously in good health,without dysglycemia or any known immunodeficiencies.Chest computed tomography revealed a mass in the left lower lobe,measuring approximately 6 cm in diameter,which was suspected to be primary lung carcinoma complicated with obstructive pneumonia.Thoracoscopic-assisted left lower lobectomy was performed,and metagenomic next-generation sequencing detection,along with special pathological staining of surgical specimens,suggested Rhizopus microsporus infection.Postoperatively,the patient’s respiratory symptoms were relieved,and no signs of recurrence were found during the six-month follow-up.CONCLUSION This article reports a rare case of chronic pulmonary mucormycosis caused by Rhizopus microsporus in a middle-aged male without dysglycemia or immunodeficiency.The patient’s surgical outcome was excellent,reaffirming that surgery remains the cornerstone of pulmonary mucormycosis treatment.
基金We thank Professor S.Y.Liu for her revision suggestions for the article’s first draft.We acknowledge support from the CAS Research Fund,Grant No.XDB38050200the Self-supporting Program of Guangzhou Laboratory,Grant No.SRPG22-001 and SRPG22-007.
文摘The coronavirus disease 2019(COVID-19)pandemic had a devastating impact on human society.Beginning with genome surveillance of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),the development of omics technologies brought a clearer understanding of the complex SARS-CoV-2 and COVID-19.Here,we reviewed how omics,including genomics,proteomics,single-cell multi-omics,and clinical phenomics,play roles in answering biological and clinical questions about COVID-19.Large-scale sequencing and advanced analysis methods facilitate COVID-19 discovery from virus evolution and severity risk prediction to potential treatment identification.Omics would indicate precise and globalized prevention and medicine for the COVID-19 pandemic under the utilization of big data capability and phenotypes refinement.Furthermore,decoding the evolution rule of SARS-CoV-2 by deep learning models is promising to forecast new variants and achieve more precise data to predict future pandemics and prevent them on time.
基金supported by the National Natural Science Foundation of China(81773888,U1903126,81902152,81473320)the Fund of Guangdong Science and Technology Department(2016A020226024)+1 种基金the Fund of Guangzhou Science and Technology Program(201707010048)the Fund of Construction of High Level Universities in Guangzhou Medical University(Nanshan Scholars Program and Academic Backbone Program).
文摘Exosomes play critical roles in regulating various physiological and pathological processes,including immune stimulation,immune suppression,cardiovascular diseases,and cancers.Recent studies show that exosomes that transport specific microRNAs(miRNAs)are involved in tumor development.However,the molecular mechanism by which tumor invasion and migration are regulated by exosomes from non-small cell lung cancer(NSCLC)is not well understood.Here,we show that exosomes shuttling low levels of miR-34c-3p are involved in NSCLC progression.Our results showed that exosomes derived from NSCLC cells carrying low levels of miR-34c-3p could be transported into the cytoplasm of NSCLC cells and accelerate NSCLC invasion and migration by upregulating integrinα2β1.A luciferase assay revealed that integrinα2β1 was the direct target of miR-34c-3p,and overexpression of integrinα2β1 could promote the invasion and migration of NSCLC cells.The analysis of exosomes derived from clinical serum samples indicated that the expression of miR-34c-3p was significantly downregulated in exosomes from NSCLC patients compared with that of normal controls.A549-derived exosomes promoted NSCLC cells lung metastases in vivo.Exosomes shuttling low levels of miR-34c-3p were associated with the progression of NSCLC in vitro and in vivo.Our data demonstrate that exosomes shuttling low levels of miR-34c-3p can accelerate the invasion and migration of NSCLC by upregulating integrinα2β1.MiR-34c-3p can be a diagnostic and prognostic marker for NSCLC.High expression of integrinα2β1 is positively related to the migration and metastasis of NSCLC cells.
