Xiang-Bo Meng , Mei-Hua Chen , Nuo Xu , Tian-Qi Li , Shuai-Chen Li , Sun-Xin Zhou , Huan Chen , Tong Zhang
{"title":"Antiviral Effect of Extracellular Matrix Protein ABI3BP on Vesicular Stomatitis Virus and Its Mechanism: A Preliminary Study In Vitro","authors":"Xiang-Bo Meng , Mei-Hua Chen , Nuo Xu , Tian-Qi Li , Shuai-Chen Li , Sun-Xin Zhou , Huan Chen , Tong Zhang","doi":"10.24920/004319","DOIUrl":"10.24920/004319","url":null,"abstract":"<div><h3>Objective</h3><p>To explore the influence of extracellular matrix protein ABI-interactor 3-binding protein (ABI3BP) on vesicular stomatitis virus (VSV) genome replication and innate immune signaling pathway.</p></div><div><h3>Methods</h3><p>The small interfering RNA (siRNA) was transfected to knock down <em>ABI3BP</em> gene in human skin fibroblast BJ-Sta cells. VSV-green fluorescent protein (VSV-GFP)-infected cell model was established. The morphological changes and F-actin stress fiber formation were detected on <em>ABI3BP</em> knockdown cells by phalloidin immunofluorescence staining. The mRNA level of virus replication was detected by RT-qPCR in BJ-Sta cells after VSV-GFP infection; western blotting was performed to detect the changes in interferon regulatory factor 3 (IRF3) and TANK-binding kinase 1 (TBK1) phosphorylation levels.</p></div><div><h3>Results</h3><p>The VSV-GFP-infected BJ-Sta cell model was successfully established. Efficient knockdown of <em>ABI3BP</em> in BJ-Sta cells was achieved. Phalloidin immunofluorescence staining revealed structural rearrangement of intracellular F-actin after <em>ABI3BP</em> gene knockdown. Compared with the control group, the gene copy number of VSV-GFP in <em>ABI3BP</em> knockdown cells increased by 2.2 – 3.5 times (<em>P</em><0.01) and 2.2 – 4.0 times (<em>P</em><0.01) respectively when infected with VSV of multiplicity of infection 0.1 and 1. The expression of viral protein significantly increased in <em>ABI3BP</em> knockdown cells after virus infection. The activation of type-I interferon pathway, as determined by phosphorylated IRF3 and phosphorylated TBK1, was significantly decreased in <em>ABI3BP</em> knockdown cells after VSV-GFP infection.</p></div><div><h3>Conclusions</h3><p>Extracellular matrix protein ABI3BP plays an important role in maintaining the formation and rearrangement of actin structure. <em>ABI3BP</em> gene deletion promotes RNA virus replication, and ABI3BP is an important molecule that maintains the integrity of type I interferon pathway.</p></div>","PeriodicalId":35615,"journal":{"name":"Chinese Medical Sciences Journal","volume":"39 1","pages":"Pages 1-8"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139933239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Atopic Dermatitis Associated Retinal Detachment and Retinal Vasculitis: A Case Report.","authors":"Shi-Yu Cheng, Zao-Wen Wang, Rong-Ping Dai","doi":"10.24920/004321","DOIUrl":"10.24920/004321","url":null,"abstract":"<p><p>Atopic dermatitis is usually associated with various ocular complications. We report a 21-year-old Chinese male who presented to our ophthalmology clinic with bilateral retinal detachment and cataracts. The patient had a clear medical history of atopic dermatitis, which had been diagnosed eight years earlier and had been treated with loratadine and pimecrolimus. Cataract surgery was performed for both eyes, combined with scleral buckling for the right eye and pars plana vitrectomy for the left eye. During postoperative follow-up, fundus fluorescein angiography showed retinal vasculitis in both eyes and macular edema in the left eye, which coincided with an exacerbation of atopic dermatitis. Macular edema improved after four months of regular dupilumab treatment in the dermatology department. The ocular condition remained stable three years postoperatively.</p>","PeriodicalId":35615,"journal":{"name":"Chinese Medical Sciences Journal","volume":"39 1","pages":"74-78"},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140861065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tian-Ci Wang , Jia-Liang Guo , Qiu-Ping Tian , He-Ping Deng , Bing Yin , Zeng Xiao , Bo Lu
{"title":"Application of Tranexamic Acid in Shoulder Arthroscopic Surgery: A Randomised Controlled Trial","authors":"Tian-Ci Wang , Jia-Liang Guo , Qiu-Ping Tian , He-Ping Deng , Bing Yin , Zeng Xiao , Bo Lu","doi":"10.24920/004295","DOIUrl":"10.24920/004295","url":null,"abstract":"<div><h3>Objective</h3><div>To explore the optimal administration route of tranexamic acid (TXA) in shoulder arthroscopic surgery.</div></div><div><h3>Methods</h3><div>Patients undergoing arthroscopic rotator cuff repair were randomly divided into four groups: control group (without TXA treatment), intravenous group (TXA was intravenously administered 10 minutes before surgery), irrigation group (TXA was added to the irrigation fluid during subacromial decompression and acromioplasty), and intravenous plus irrigation group (TXA was applied both intravenously and <em>via</em> intra-articular irrigation). The primary outcome was visual clarity assessed with visual analog scale (VAS) score, and the secondary outcomes included irrigation fluid consumption and time to subacromial decompression and acromioplasty procedure.</div></div><div><h3>Results</h3><div>There were 134 patients enrolled in the study, including 33 in the control group, 35 in the intravenous group, 32 in the irrigation group, and 34 in the intravenous plus irrigation group. The median and interquartile range of VAS scores for the intravenous, irrigation, and intravenous plus irrigation groups were 2.70 (2.50, 2.86) (<em>Z</em> = -3.677, <em>P</em> = 0.002), 2.67 (2.50, 2.77) (<em>Z</em> = -3.058, <em>P</em> < 0.001), and 2.91 (2.75, 3.00) (<em>Z</em> = -6.634, <em>P</em> < 0.001), respectively, significantly higher than that of the control group [2.44 (2.37, 2.53)]. Moreover, the control group consumed more irrigation fluid than the intravenous group, irrigation group, and intravenous plus irrigation group (all <em>P</em> < 0.05). The intravenous plus irrigation group consumed less irrigation fluid than either the intravenous group or the irrigation group (both <em>P</em> < 0.001). There was no difference in subacromial decompression and acromioplasty operative time among the four groups.</div></div><div><h3>Conclusion</h3><div>TXA applied both topically and systematically can improve intraoperative visual clarity, and the combined application is more effective.</div></div>","PeriodicalId":35615,"journal":{"name":"Chinese Medical Sciences Journal","volume":"38 4","pages":"Pages 273-278"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139075267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"SpyGlass in Diagnosis of Hepatocellular Carcinoma with Right Hepatic Duct Tumor Thrombus Hemorrhage: A Case Report","authors":"Li-Hua Guo, Min Miao, Guo-Liang Ye","doi":"10.24920/004273","DOIUrl":"10.24920/004273","url":null,"abstract":"<div><div>Hepatocelluar carcinoma presenting as a biliary duct tumor thrombus is a relatively rare entity, with poor prognosis. The primary clinical manifestation of this disease is obstructive jaundice, which can often be misdiagnosed. A 59-year-old female patient was admitted with sudden onset of abdominal pain. Laboratory tests suggested obstructive jaundice, and enhanced magnetic resonance imaging of the upper abdomen did not show obvious biliary dilatation. Endoscopic ultrasound and endoscopic retrograde cholangiopancreatography suggested an occupying lesion in the upper bile duct. SpyGlass and biopsy finally confirmed hepatocellular carcinoma with right hepatic duct tumor thrombus hemorrhage. The SpyGlass Direct Visualization System, as an advanced biliary cholangioscopy device, showed the advantages of single-person operation as well as easy access to and visualization of the lesion.</div></div>","PeriodicalId":35615,"journal":{"name":"Chinese Medical Sciences Journal","volume":"38 4","pages":"Pages 309-314"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138805252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Current Strategies of Surface Modifications to Polyurethane Biomaterials for Vascular Grafts","authors":"Huai-Gu Huang , Tao Xiang , Yue-Xin Chen","doi":"10.24920/004178","DOIUrl":"10.24920/004178","url":null,"abstract":"<div><div>As the number of patients suffering from cardiovascular diseases and peripheral vascular diseases rises, the constraints of autologous transplantation remain unavoidable. As a result, artificial vascular grafts must be developed. Adhesion of proteins, platelets and bacteria on implants can result in stenosis, thrombus formation, and postoperative infection, which can be fatal for an implantation. Polyurethane, as a commonly used biomaterial, has been modified in various ways to deal with the adhesions of proteins, platelets, and bacteria and to stimulate endothelium adhesion. In this review, we briefly summarize the mechanisms behind adhesions, overview the current strategies of surface modifications of polyurethane biomaterials used in vascular grafts, and highlight the challenges that need to be addressed in future studies, aiming to gain a more profound understanding of how to develop artificial polyurethane vascular grafts with an enhanced implantation success rate and reduced side effect.</div></div>","PeriodicalId":35615,"journal":{"name":"Chinese Medical Sciences Journal","volume":"38 4","pages":"Pages 279-285"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9874253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Iridociliary Body Metastasis of Atypical Carcinoid: Case Management with Intravitreal Anti-Vascular Endothelial Growth Factor Injections","authors":"Yang Zhang, Ai-Ling Bian, Rong-Ping Dai","doi":"10.24920/004268","DOIUrl":"10.24920/004268","url":null,"abstract":"<div><div>We report a rare case mvolving a 52-year-old female diagnosed with an atypical bronchial carcinoid tumor with metastases to the mediastinum, hilar lymph nodes, breast, and pancreas. In additional, the patient had metastases to the iris and ciliary body, resulting in progressive vision loss in her left eye. Treatment was successful by intravitreal injections of anti-vascular endothelial growth factor.</div></div>","PeriodicalId":35615,"journal":{"name":"Chinese Medical Sciences Journal","volume":"38 4","pages":"Pages 305-308"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71427534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yuan-Yuan Wang , Hai-Lian Lin , Ke-Lang Wang , Gen-Xiang Que , Ting Cao , La-Mei Zhu , Xia Yang , Xue-Feng Yang
{"title":"Influence of Gut Microbiota and its Metabolites on Progression of Metabolic Associated Fatty Liver Disease","authors":"Yuan-Yuan Wang , Hai-Lian Lin , Ke-Lang Wang , Gen-Xiang Que , Ting Cao , La-Mei Zhu , Xia Yang , Xue-Feng Yang","doi":"10.24920/004220","DOIUrl":"10.24920/004220","url":null,"abstract":"<div><div>Metabolic associated fatty liver disease (MAFLD) has become a prevalent chronic liver disease worldwide because of lifestyle and dietary changes. Gut microbiota and its metabolites have been shown to play a critical role in the pathogenesis of MAFLD. Understanding of the function of gut microbiota and its metabolites in MAFLD may help to elucidate pathological mechanisms, identify diagnostic markers, and develop drugs or probiotics for the treatment of MAFLD. Here we review the pathogenesis of MAFLD by gut microbiota and its metabolites and discuss the feasibility of treating MAFLD from the perspective of gut microbes.</div></div>","PeriodicalId":35615,"journal":{"name":"Chinese Medical Sciences Journal","volume":"38 4","pages":"Pages 286-296"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138804757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jing Fan , Yi Li , Jing-Wen Niu , Nan Hu , Yu-Zhou Guan , Li-Ying Cui , Ming-Sheng Liu
{"title":"Differentiation Between Amyotrophic Lateral Sclerosis and Mimics Using Quantitative Analysis of Fsciculation with Muscle Ultrasound","authors":"Jing Fan , Yi Li , Jing-Wen Niu , Nan Hu , Yu-Zhou Guan , Li-Ying Cui , Ming-Sheng Liu","doi":"10.24920/004282","DOIUrl":"10.24920/004282","url":null,"abstract":"<div><h3>Objective</h3><div>To determine the diagnostic accuracy of the intensity of fasciculation evaluated by muscle ultrasound in the differential diagnosis of amyotrophic lateral sclerosis (ALS).</div></div><div><h3>Methods</h3><div>We prospectively recruited patients who had ALS and neuropathy-radiculopathy attending Peking Union Medical College Hospital from 2017 to 2020. Healthy adults from a community were recruited as healthy controls. Muscle strength was assessed using the Medical Research Council (MRC) scale. At the first visit to the hospital, patients were assessed for maximal grade of fasciculations, total fasciculation score, and fasciculation grade in 16 muscle groups of bilateral upper and lower limbs using ultrasonography. The sensitivity and specificity of maximal grade of fasciculations, total fasciculation score, and fasciculation grade for the diagnosis of ALS were assessed by receiver operating characteristic analyses.</div></div><div><h3>Results</h3><div>The percentage of limb muscles with a maximal fasciculation grade higher than grade 2 in ALS patients and neuropathy-radiculopathy patients was 84.9% and 9.8%, respectively (<em>χ</em><sup>2</sup> = 172.436, <em>P <</em> 0.01). Of the 16 limb muscles detected, the total fasciculation score [median (interquartile range)] was 29 (15, 41) in ALS patients and 3 (0, 8) in neuropathy-radiculopathy patients (<em>Z</em> = 9.642, <em>P</em> < 0.001). Remarkable fasciculations were seen in ALS patients whose muscles with a MRC score ranging from 2 to 4, followed by patients with MRC score 5, and then in those with MRC score 0 and 1. The sensitivity and specificity of total fasciculation score for diagnosis of ALS were 80.6% and 93.4%, respectively (cut-off value 14). In patients with ALS, for muscles with MRC score 4 and 5, the percentage of muscles with fasciculation grades ≥ 3 was 42.3% and 24.1% respectively, while in neuropathy-radiculopathy patients, the percentage for muscles with MRC score 4 and 5 was only 1.7% and 0, respectively.</div></div><div><h3>Conclusion</h3><div>A combined analysis of fasciculation intensity and MRC score of the limb muscles may be helpful for differential diagnosis of ALS.</div></div>","PeriodicalId":35615,"journal":{"name":"Chinese Medical Sciences Journal","volume":"38 4","pages":"Pages 265-272"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41184365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Advances in the Clinical Application of Trendelenburg Position","authors":"Qing Qiu , Xu Shen","doi":"10.24920/004231","DOIUrl":"10.24920/004231","url":null,"abstract":"<div><div>The Trendelenburg position and reverse Trendelenburg position are frequently employed during lower abdominal surgery to achieve optimal surgical field visualization and complete exposure of the operative site, particularly under pneumoperitoneum conditions. However, these positions can have significant impacts on the patient's physiological functions. This article overviews the historical background of Trendelenburg position and reverse Trendelenbury position, their effects on various physiological functions, recent advancements in their clinical applications, and strategies for preventing and managing associated complications.</div></div>","PeriodicalId":35615,"journal":{"name":"Chinese Medical Sciences Journal","volume":"38 4","pages":"Pages 297-304"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138463093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lu Che, Jia-Wen Yu, Yue-Lun Zhang, Li Xu, Yu-Guang Huang
{"title":"Intraoperative Blood Pressure Lability Acts as a Key Mediator in the Impacts of Goal-Directed Fluid Therapy on Postoperative Complications in Patients Undergoing Major Spine Surgery","authors":"Lu Che, Jia-Wen Yu, Yue-Lun Zhang, Li Xu, Yu-Guang Huang","doi":"10.24920/004202","DOIUrl":"10.24920/004202","url":null,"abstract":"<div><h3>Objective</h3><div>Although goal-directed fluid therapy (GDFT) has been proven to be effective in reducing the incidence of postoperative complications, the underlying mechanisms remain unknown. The aim of this study was to examine the mediating role of intraoperative hemodynamic lability in the association between GDFT and the incidence of postoperative complications. We further tested the role of this mediation effect using mean arterial pressure, a hemodynamic indicator.</div></div><div><h3>Methods</h3><div>This secondary analysis used the dataset of a completed nonrandomized controlled study to investigate the effect of GDFT on the incidence of postoperative complications in patients undergoing posterior spine arthrodesis. We used a simple mediation model to test whether there was a mediation effect of average real variability between the association of GDFT and postoperative complications. We conducted mediation analysis using the mediation package in R (version 3.1.2), based on 5,000 bootstrapped samples, adjusting for covariates.</div></div><div><h3>Results</h3><div>Among the 300 patients in the study, 40% (120/300) developed postoperative complications within 30 days. GDFT was associated with fewer 30-day postoperative complications after adjustment for confounders (odds ratio: 0.460, 95% <em>CI:</em> 0.278, 0.761; <em>P</em> = 0.003). The total effect of GDFT on postoperative complications was –0.18 (95% <em>CI</em>: –0.28, –0.07; <em>P</em> < 0.01). The average causal mediation effect was –0.08 (95% <em>CI</em>: –0.15, –0.04; <em>P</em> < 0.01). The average direct effect was –0.09 (95% <em>CI</em>: –0.20, 0.03; <em>P</em> = 0.17). The proportion mediated was 49.9% (95% <em>CI</em>: 18.3%, 140.0%).</div></div><div><h3>Conclusions</h3><div>The intraoperative blood pressure lability mediates the relationship between GDFT and the incidence of postoperative complications. Future research is needed to clarify whether actively reducing intraoperative blood pressure lability can prevent postoperative complications.</div></div>","PeriodicalId":35615,"journal":{"name":"Chinese Medical Sciences Journal","volume":"38 4","pages":"Pages 257-264"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10153046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}