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A Comprehensive Study of the Association between LEPR Gene rs1137101 Variant and Risk of digestive system cancers

Biomedical and Environmental Sciences 2024年第5期37卷 445-456页

作者： HU Wei Qiong ZHOU Wei Guang ZHOU Guang Wei LIAO Jia Xi SHI Jia Xing XIE FengYang LI Shou Heng WANG Yong FENG Xian Hong GU Xiu Li CHEN Bi Feng Department of Biological Science and Technology School of ChemistryChemical Engineering and Life SciencesWuhan University of TechnologyWuhan 430070HubeiChina Institute of WUT-AMU Wuhan University of TechnologyWuhan 430070HubeiChina Department of Clinical Laboratory Wuhan Xinzhou District People’s HospitalWuhan 430499HubeiChina Department of Reproductive Genetics Wuhan Huake Reproductive HospitalWuhan 430013HubeiChina

Objective The leptin receptor,encoded by the LEPR gene,is involved in tumorigenesis.A potential functional variant of LEPR,rs1137101(Gln223Arg),has been extensively investigated for its contribution to the risk of digestive system(DS)cancers,but results remain conflicting rather than ***,we performed a case–control study and subsequent meta-analysis to examine the association between rs1137101 and DS cancer *** A total of 1,727 patients with cancer(gastric/liver/colorectal:460/480/787)and 800 healthy controls were *** of rs1137101 was conducted using a polymerase chain reactionrestriction fragment length polymorphism(PCR-RFLP)assay and confirmed using Sanger ***-four eligible studies were included in the *** After Bonferroni correction,the case–control study revealed that rs1137101 was significantly associated with the risk of liver cancer in the Hubei Chinese *** meta-analysis suggested that rs1137101 is significantly associated with the risk of overall DS,gastric,and liver cancer in the Chinese *** The LEPR rs1137101 variant may be a genetic biomarker for susceptibility to DS cancers(especially liver and gastric cancer)in the Chinese population.

关键词： LEPR gene rs1137101 digestive system cancers Genetic susceptibility Meta-analysis

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Intricate roles of estrogen and estrogen receptors in digestive system cancers: a systematic review

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Cancer Biology & Medicine 2024年第10期21卷 898-915页

作者： Xiaoning Gan Guanqi Dai Yonghao Li Lin Xu Guolong Liu Department of Medical Oncology The Second Affiliated Hospital School of Medicine South China University of Technology Department of Physiology Michigan State University Department of Radiation Oncology Nanfang Hospital Southern Medical University

Gender disparities are evident across different types of digestive system cancers, which are typically characterized by a lower incidence and mortality rate in females compared to males. This finding suggests a potential protective role of female steroid hormones, particularly estrogen, in the development of these cancers. Estrogen is a well-known sex hormone that not only regulates the reproductive system but also exerts diverse effects on non-reproductive organs mediated through interactions with estrogen receptors(ERs), including the classic(ERα and ERβ) and non-traditional ERs [G protein-coupled estrogen receptor(GPER)]. Recent advances have contributed to our comprehension of the mechanisms underlying ERs in digestive system cancers. In this comprehensive review we summarize the current understanding of the intricate roles played by estrogen and ERs in the major types of digestive system cancers, including hepatocellular, pancreatic, esophageal, gastric, and colorectal carcinoma. Furthermore, we discuss the potential molecular mechanisms underlying ERα, ERβ, and GPER effects, and propose perspectives on innovative therapies and preventive measures targeting the pathways regulated by estrogen and ERs. The roles of estrogen and ERs in digestive system cancers are complicated and depend on the cell type and tissue involved. Additionally, deciphering the intricate roles of estrogen, ERs, and the associated signaling pathways may guide the discovery of novel and tailored therapeutic and preventive strategies for digestive system cancers, eventually improving the care and clinical outcomes for the substantial number of individuals worldwide affected by these malignancies.

关键词： Estrogen cancer digestive system cancers estrogen receptor gender disparity

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ZiyuglycosideⅡinhibits the growth of digestive system cancer cells through multiple mechanisms

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Chinese Journal of Natural Medicines 2021年第5期19卷 351-363页

作者： ZHONG Ying LI Xiao-Yu ZHOU Fei CAI Ya-Jie SUN Rong LIU Run-Ping The Second Hospital Cheeloo College of MedicineShandong UniversityJinan 250033China School of Chinese Materia Medica Beijing University of Chinese MedicineBeijing 100029China

digestive system cancers,including liver,gastric,colon,esophageal and pancreatic cancers,are the leading cause of cancers with high morbidity and mortality,and the question of their clinical treatment is still *** studies have indicated that ZiyuglycosideⅡ(ZYGⅡ),the major bioactive ingredient extract from Sanguisorba officinalis L.,significantly inhibits the growth of various cancer ***,the selective anti-tumor effects of ZYGⅡagainst digestive system cancers are not systemically *** this study,we reported the anti-cancer effect of ZYGⅡon esophageal cancer cells(OE21),cholangiocarcinoma cells(Hu CCT1),gastric cancer cells(BGC-823),liver cancer cells(Hep G2),human colonic cancer cells(HCT116),and pancreatic cancer cells(PANC-1).We also found that ZYGⅡinduced cell cycle arrest,oxidative stress and mitochondrial *** pharmacology analysis suggested that UBC,EGFR and IKBKG are predicted targets of ZYGⅡ.EGFR signaling was suggested as the critical pathway underlying the anti-cancer effects of ZYGⅡand both docking simulation and western blot analysis demonstrated that ZYGⅡwas a potential EGFR ***,our results showed synergistic inhibitory effects of ZYGⅡand chemotherapy 5-FU on the growth of cancer *** summary,ZYGⅡare effective anti-tumor agents against digestive *** systemic evaluation of the anti-cancer activities in vitro and in vivo and characterization of underlying mechanism will promote the development of novel supplementary therapeutic strategies based on ZYGⅡfor the treatment of digestive system cancers.

关键词： ZiyuglycosideⅡ digestive system cancers Network pharmacology EGFR pathway

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The Association between miR-196a2 rs11614913 Polymorphism and digestive system Cancer Risk: A Meta-Analysis of 34 Studies

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Open Journal of Internal Medicine 2016年第4期6卷 112-127页

作者： Rongce Zhao Jing Zhou Fei Liu Yonggang Wei Kefei Chen Bo Li Department of Liver Surgery and Liver Transplantation Center West China Hospital Sichuan University Chengdu China Department of Medical Oncology Cancer Center State Key Laboratory of Biotherapy West China Hospital Sichuan University Chengdu China

Background: MicroRNAs (miRNAs) negatively regulate the gene expression and act as tumor suppressors or oncogenes in carcinogenesis. The association between single nucleotide polymorphism (SNP) in miR-196a2 rs11614913 and the susceptibility of digestive system cancers was inconsistent in previous studies. Methods: A standardized search of PubMed, Embase, and Cochrane library databases for publications on miR-196a2 rs11614913 polymorphism and digestive system cancer risk was performed. Then the genotype data were analyzed in a meta-analysis. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated to evaluate the association. Test of heterogeneity, sensitivity analysis and assessment of publication bias were conducted in the present meta-analysis by STATA software 12.0. Results: An updated meta-analysis based on 34 independent case-control studies consisting of 13,013 cases and 16,046 controls was performed to address this association. There was a remarkable association between miR-196a2 rs11614913 polymorphism and overall digestive system cancer risk, especially in Asian populations. Moreover, subgroup analysis revealed that variant C allele increased risk of colorectal carcinoma, gastric cancer and hepatocellular carcinoma (HCC), compared with wild T allele. Conclusions: There was a remarkable association between miR-196a2 rs11614913 polymorphism and overall digestive system cancer risk, especially in Asian populations.

关键词： miR-196a2 rs11614913 Polymorphism digestive system cancers Meta-Analysis

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