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Radiation injury and gut microbiota-based treatment

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Protein & Cell 2024年第2期15卷 83-97页

作者： Weihong Wang Bota Cui Yongzhan Nie Lijuan Sun Faming Zhang Department of Microbiota Medicine and Medical center for digestive diseases The Second Affiliated Hospital of Nanjing Medical UniversityNanjing210011China Department of Microbiotherapy Sir Run Run HospitalNanjing Medical UniversityNanjing 211166China State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical research center for digestive diseases Xijing Hospital of Digestive DiseasesFourth Military Medical UniversityXi'an 710032China National Clinical research center for digestive diseases Xi'an 710032China Key Laboratory of Resource Biology and Biotechnology in Western China Ministry of EducationSchool of MedicineNorthwest UniversityXi'an 710069China

The exposure to either medical sources or accidental radiation can cause varying degrees of radiation injury(RI).RI is a common disease involving multiple human body parts and organs,yet effective treatments are currently *** evidence suggests gut microbiota are closely associated with the development and prevention of various *** article summarizes 10 common types of RI and their possible *** also highlights the changes and potential microbiota-based treatments for RI,including probiotics,metabolites,and microbiota ***,a 5P-Framework is proposed to provide a comprehensive strategy for managing RI.

关键词： microbiome ionizing radiation radiation-induced injury short-chain fatty acids fecal microbiota transplant washed microbiota transplantation war nuclear microbiota medicine

Association between physical activity and risk of gastroesophageal reflux disease:A systematic review and meta-analysis

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Journal of Sport and Health Science 2024年第5期13卷 687-698页

作者： Chuting Yu Tinglu Wang Ye Gao Yunfei Jiao Huishan Jiang Yan Bian Wei Wang Han Lin Lei Xin Luowei Wang Department of Gastroenterology Changhai HospitalNaval Medical UniversityShanghai 200433China National Clinical research center for digestive diseases(Shanghai) Shanghai 200433China

Background:Lifestyle plays an important role in preventing and managing gastroesophageal reflux disease(GERD).In response to the conflicting results in previous studies,we performed a systematic review and meta-analysis to investigate this ***:Relevant studies published until January 2023 were retrieved from 6 databases,and the prevalence of symptomatic gastroesophageal reflux(GER)or GERD was determined from the original studies.A random effects model was employed to meta-analyze the association by computing the pooled relative risk(RR)with 95%confidence intervals(95%CIs).Furthermore,subgroup and dose-response analyses were performed to explore subgroup differences and the association between cumulative physical activity(PA)time and ***:This meta-analysis included 33 studies comprising 242,850 participants.A significant negative association was observed between PA and the prevalence of symptomatic GER(RR=0.74,95%CI:0.66-0.83;p<0.01)or GERD(RR=0.80,95%CI:0.76-0.84;p<0.01),suggesting that engaging in PA might confer a protective benefit against *** analyses consistently indicated the presence of this association across nearly all subgroups,particularly among the older individuals(RR_(<40 years):RR_(≥40 years)=0.85:0.69,p<0.01)and smokers(RR_(smoker):RR_(non-smoker)=0.67:0.82,p=0.03).Furthermore,a dose-response analysis revealed that individuals who engaged in 150 min of PA per week had a 72.09%lower risk of developing ***:Maintaining high levels of PA decreased the risk of GERD,particularly among older adults and *** the recommended PA level of 150 min per week may significantly decrease the prevalence of GERD.

关键词： Physical activity Gastroesophageal reflux disease Prevalence Systematic review

Non-alcoholic fatty liver degree and long-term risk of incident inflammatory bowel disease: A large-scale prospective cohort study

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中华医学杂志(英文版) 2024年第14期137卷 1705-1714页

作者： Zhang Qian Liu Si Wu Jing Zhu Shengtao Wu Yongdong Wu Shanshan Zhang Shutian Department of Gastroenterology Beijing Friendship Hospital Capital Medical University National Clinical Research Center for Digestive Disease Beijing Digestive Disease Center Beijing Key Laboratory for Precancerous Lesion of Digestive Disease Beijing China

Background: Non-alcoholic fatty liver disease (NAFLD) and inflammatory bowel disease (IBD) have shown similar worsening epidemic patterns globally and shared various overlapping pathophysiological mechanisms. However, evidence on the relationship between NAFLD and IBD risk is lacking. We aimed to investigate the associations between long-term risk of incident IBD and NAFLD in a large prospective ***: Participants from the United Kingdom Biobank cohort (https://***/) who were free of IBD and alcoholic liver disease at baseline were enrolled. Baseline non-alcoholic fatty liver degree was measured by the well-established fatty liver index (FLI). The outcomes of interest included incident IBD, ulcerative colitis (UC), and Crohn’s disease (CD). Multivariable Cox proportional hazard regression was used to calculate hazard ratios (HRs) and 95% confidence intervals (CIs).Results: Among 418,721 participants (mean FLI: 48.11 ± 30.11), 160,807 (38.40%) participants were diagnosed as NAFLD at baseline. During a median of 12.4 years’ follow-up, 2346 incident IBD cases (1545 UC, 653 CD, and 148 IBD-unclassified) were identified. Due to limited events, those IBD-unclassified were combined in UC or CD when examining the associated risk of UC or CD, separately. Compared with the lowest quartile of FLI, the highest quartile showed a separately 36.00%, 25.00%, and 58.00% higher risk of incident IBD (HRQ4vs. Q1 =1.36, 95% CI: 1.19-1.55,Ptrend <0.001), UC (HRQ4vs. Q1 =1.25, 95% CI: 1.07-1.46,Ptrend=0.047), and CD (HRQ4vs. Q1 =1.58, 95% CI: 1.26-1.97,Ptrend <0.001) after multivariable adjustment. Compared with non-NAFLD, NAFLD participants had a significantly higher risk of incident IBD (HR=1.13, 95% CI: 1.04-1.24) and CD (HR =1.36, 95% CI: 1.17-1.58).Conclusions: Higher degree of non-alcoholic fatty liver is associated with increased risk of incident IBD. Interventions aimed at improving NAFLD may be a potential targeted strategy for the detection and treatm

关键词： Non-alcoholic fatty liver disease Inflammatory bowel disease Ulcerative colitis Crohn’s disease Cohort study

The switch triggering the invasion process:Lipid metabolism in the metastasis of hepatocellular carcinoma

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Chinese Medical Journal 2024年第11期137卷 1271-1284页

作者： Jiaqian Zhang Zhicheng Zhang Zhangfan Wu Yufei Wang Zerui Zhang Limin Xia Department of Gastroenterology Institute of Liver and Gastrointestinal DiseasesHubei Key Laboratory of Hepato-Pancreato-Biliary DiseasesTongji Hospital of Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei 430030China State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical research center for digestive diseases Xijing Hospital of Digestive DiseasesFourth Military Medical UniversityXi’anShaanxi 710032China

In humans,the liver is a central metabolic organ with a complex and unique histological *** carcinoma(HCC),which is a highly aggressive disease with a poor prognosis,accounts for most cases of primary liver *** an emerging hallmark of cancers,metabolic reprogramming acts as a runaway mechanism that disrupts homeostasis of the affected organs,including the ***,rewiring of the liver metabolic microenvironment,including lipid metabolism,is driven by HCC cells,propelling the phenotypes of HCC cells,including dissemination,invasion,and even metastasis in *** resulting formation of this vicious loop facilitates various malignant behaviors of HCC ***,few articles have comprehensively summarized lipid reprogramming in HCC ***,we have reviewed the general situation of the liver microenvironment and the physiological lipid metabolism in the liver,and highlighted the effects of different aspects of lipid metabolism on HCC metastasis to explore the underlying *** addition,we have recapitulated promising therapeutic strategies targeting lipid metabolism and the effects of lipid metabolic reprogramming on the efficacy of HCC systematical therapy,aiming to offer new perspectives for targeted therapy.

关键词： Hepatocellular carcinoma Invasion Metastasis Lipid metabolism Tumor microenvironment

Pre-MASLD:Should it be defined separately?

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Hepatobiliary & Pancreatic diseases International 2024年第1期23卷 1-3页

作者： Hang-Kai Huang You-Ming Li Cheng-Fu Xu Department of Gastroenterology Zhejiang Provincial Clinical Research Center for Digestive Diseasesthe First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China

Nonalcoholic fatty liver disease(NAFLD)is one of the most common chronic liver diseases,yet it has not received sufficient attention[1].Over the past two decades,the overall global prevalence of NAFLD has risen from 25%to 37%[2].The disease burden of NAFLD is fueled by the epidemic of obesity and diabetes[3].It is estimated that more than half of patients with diabetes have NAFLD.

关键词： NAFLD liver diseases

RNA modifications in the progression of liver diseases: from fatty liver to cancer

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Science China Life Sciences 2024年第10期67卷 2105-2119页

作者： Simiao Li Wajahat Z Mehal Xinshou Ouyang Department of Internal Medicine Section of Digestive DiseasesYale University School of Medicine

Non-alcoholic fatty liver disease（NAFLD） has emerged as a prominent global health concern associated with high risk of metabolic syndrome, and has impacted a substantial segment of the population. The disease spectrum ranges from simple fatty liver to non-alcoholic steatohepatitis（NASH）, which can progress to cirrhosis and hepatocellular carcinoma（HCC） and is increasingly becoming a prevalent indication for liver transplantation. The existing therapeutic options for NAFLD, NASH, and HCC are limited, underscoring the urgent need for innovative treatment strategies. Insights into gene expression, particularly RNA modifications such as N6methyladenosine（m6A）, hold promising avenues for interventions. These modifications play integral roles in RNA metabolism and cellular functions, encompassing the entire NAFLD-NASH-HCC progression. This review will encompass recent insights on diverse RNA modifications, including m6A, pseudouridine（Ψ）, N1-methyladenosine（m1A）, and 5-methylcytidine（m5C） across various RNA species. It will uncover their significance in crucial aspects such as steatosis, inflammation, fibrosis, and tumorigenesis. Furthermore, prospective research directions and therapeutic implications will be explored, advancing our comprehensive understanding of the intricate interconnected nature of these pathological conditions.

关键词： m6A RNA modification NASH NAFLD HCC fatty liver

Genome Analysis of Plasmodium falciparum:A Preliminary Observation-Sierra Leone,2022-2023

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China CDC weekly 2024年第17期6卷 368-373页

作者： Tianyu Wang Haimo Shen Bin Xu Wanxuan Yang Shenbo Chen Junhu Chen National Institute of Parasitic diseases Chinese Center for Disease Control and Prevention(Chinese Center for Tropical Diseases Research)NHC Key Laboratory of Parasite and Vector BiologyWHO Collaborating Centre for Tropical DiseasesNational Centre for International Research on Tropical DiseasesShanghaiChina School of basic Medical Sciences and Forensic Medicine Hangzhou Medical CollegeHangzhou CityZhejiang ProvinceChina School of Global Health Chinese Centre for Tropical Diseases ResearchShanghai Jiao Tong University School of MedicineShanghaiChina Hainan Tropical diseases research center(Hainan Sub-center Chinese Center for Tropical Diseases Research)Haikou CityHainan ProvinceChina.

Summary What is already known about this topic?Sierra Leone,with a gross domestic product(GDP)per capita below$300 and significant poverty,ranks among the world’s least developed countries(LDCs).Despite its modest population of 8.6 million,the nation reports approximately 2.6 million malaria cases ***,there has been no reporting on the malaria genome data from this *** is added by this report?In this study,we present the first reported wholegenome sequence analysis of 19 high parasite-density Plasmodium falciparum isolates from Sierra Leone,providing insights into the genomic epidemiology of this high-prevalence *** found a high degree of relatedness among infections and substantial genetic diversity,consistent with the gradual reduction in overall case ***,our whole-genome analysis revealed that,beyond drug-resistance genes,gene families related to blood cell invasion,immune evasion,and others are undergoing directional *** suggests that the population in Sierra Leone has developed a relatively strong acquired *** are the implications for public health practice?The genomic data not only facilitate the creation of single nucleotide polymorphism barcodes for case tracking but also enable the analysis of evolving transmission dynamics and selection ***,the samples from Sierra Leone exhibited higher selective pressures on resistance genes compared to those from Asia,a trend not commonly observed in other African *** suggests that less stringent healthcare systems and inconsistent treatment strategies can subject parasites to increased drug pressure,thereby accelerating the development of resistant strains.

关键词： epidemiology invasion Observation

Percutaneous transhepatic cholangioscopy-assisted biliary polypectomy for local palliative treatment of intraductal papillary neoplasm of the bile duct

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World Journal of Gastrointestinal Oncology 2024年第5期16卷 1821-1832页

作者： Xu Ren Yong-Ping Qu Chun-Lan Zhu Xiao-Hong Xu Hong Jiang Yi-Xia Lu Hong-Peng Xue digestive Disease Hospital of Heilongjiang Provincial Hospital Heilongjiang Provincial Clinical Medical Research Center for Minimally Invasive Diagnosis and Treatment of Pancreaticobiliary DiseasesHarbin 150001Heilongjiang ProvinceChina digestive Endoscopy center of Heilongjiang Provincial Hospital Heilongjiang Provincial Clinical Medical Research Center for Minimally Invasive Diagnosis and Treatment of Pancreaticobiliary DiseasesHarbin 150001Heilongjiang ProvinceChina Second Department of Gastroenterology Digestive Disease Hospital of Heilongjiang Provincial Hospitaland Heilongjiang Provincial Clinical Medical Research Center for Minimally Invasive Diagnosis and Treatment of Pancreaticobiliary DiseasesHarbin 150001Heilongjiang ProvinceChina Department of Pathology Heilongjiang Provincial HospitalHarbin 150001Heilongjiang ProvinceChina

BACKGROUND Intraductal papillary neoplasm of the bile duct(IPNB)is a premalignant biliarytype epithelial neoplasm with intraductal papillary or villous *** reported local palliative therapeutic modalities,including endoscopic nasobiliary drainage,stenting and biliary curettage,endoscopic biliary polypectomy,percutaneous biliary drainage,laser ablation,argon plasma coagulation,photodynamic therapy,and radiofrequency ablation to relieve mechanical obstruction are limited with weaknesses and *** have applied percutaneous transhepatic cholangioscopy(PTCS)-assisted biliary polypectomy(PTCS-BP)technique for the management of IPNB including mucin-hypersecreting cast-like and polypoid type tumors since *** To assess the technical feasibility,efficacy,and safety of PTCS-BP for local palliative treatment of *** Patients with mucin-hypersecreting cast-like or polypoid type IPNB and receiving PTCS-BP between September 2010 and December 2019 were ***-BP was performed by using a half-moon type snare with a soft stainless-steel wire,and the tumor was snared and resected with *** primary outcome was its feasibility,indicated by technical *** secondary outcomes were efficacy,including therapeutic success,curative resection,and clinical success,and *** Five patients(four with mucin-hypersecreting cast-like type and one with polypoid type IPNB)were ***-and high-grade intraepithelial neoplasia(HGIN)and recurrent IPNB with invasive carcinoma were observed in one,two,and two patients,*** cholangitis and/or obstructive jaundice were presented in all four patients with mucin-hypersecreting cast-like type *** five patients achieved technical success of *** patients(three with mucin-hypersecreting cast-like type and one with polypoid type IPNB)obtained therapeutic success;one with mucin-hypersecreting cast-like type tumors in the intrahepatic small bile duct and HGIN h

关键词： Intraductal papillary neoplasm of the bile duct Percutaneous transhepatic cholangioscopy Biliary polypectomy Feasibility Efficacy

Mechanisms of myeloid-derived suppressor cell-mediated immunosuppression in colorectal cancer and related therapies

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World Journal of Gastrointestinal Oncology 2024年第5期16卷 1690-1704页

作者： Shu-Chang Nie Yan-Hua Jing Lu Lu Si-Si Ren Guang Ji Han-Chen Xu Institute of digestive diseases Longhua HospitalChina-Canada Center of Research for Digestive DiseasesShanghai University of Traditional Chinese MedicineShanghai 200032China Shanghai Frontiers Science center of Disease and Syndrome Biology of Inflammatory Cancer Transformation Shanghai 200032China State Key Laboratory of Integration and Innovation of Classic Formula and Modern Chinese Medicine(Shanghai University of Traditional Chinese Medicine) Shanghai 200032China

Severe immunosuppression is a hallmark of colorectal cancer(CRC).Myeloid-derived suppressor cells(MDSCs),one of the most abundant components of the tumor stroma,play an important role in the invasion,metastasis,and immune escape of *** create an immunosuppressive microenvironment by inhibiting the proliferation and activation of immunoreactive cells,including T and natural killer cells,as well as by inducing the proliferation of immunosuppressive cells,such as regulatory T cells and tumor-associated macrophages,which,in turn,promote the growth of cancer ***,MDSCs are key contributors to the emergence of an immunosup-pressive microenvironment in CRC and play an important role in the breakdown of antitumor *** this narrative review,we explore the mechanisms through which MDSCs contribute to the immunosuppressive microenvironment,the current therapeutic approaches and technologies targeting MDSCs,and the therapeutic potential of modulating MDSCs in CRC *** study provides ideas and methods to enhance survival rates in patients with CRC.

关键词： Myeloid-derived suppressor cells Tumor microenvironment Colorectal cancer Therapy Immunosuppression