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PNPLA3 rs738409 C>G Variant Influences the Association Between Visceral Fat and Significant Fibrosis in Biopsyproven Nonalcoholic Fatty Liver Disease

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Journal of Clinical and Translational Hepatology 2022年第3期10卷 439-448页

作者： Gang Li Liang-Jie Tang Pei-Wu Zhu Ou-Yang Huang Rafael SRios kenneth izheng Sui-Dan Chen Hong-Lei Ma Giovanni Targher Christopher DByrne Xiao-Yan Pan Ming-Hua Zheng NAFLD Research Center Department of Hepatologythe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina Department of Laboratory Medicine the First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina Department of Pathology the First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina Section of Endocrinology Diabetes and MetabolismDepartment of MedicineUniversity and Azienda Ospedaliera Universitaria Integrata of VeronaVeronaItaly Southampton National Institute for Health Research Biomedical Research Centre University Hospital SouthamptonSouthampton General HospitalSouthamptonUK Department of Endocrinology the First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina Institute of Hepatology Wenzhou Medical UniversityWenzhouZhejiangChina Key Laboratory of Diagnosis and Treatment for The Development of Chronic Liver Disease in Zhejiang Province WenzhouZhejiangChina

Background and Aims:Intra-abdominal visceral fat accumulation and patatin-like phospholipase domain containing 3(PNPLA3)rs738409 G/C gene polymorphism confer a greater susceptibility to nonalcoholic fatty liver disease(NAFLD).We examined whether the relationship between visceral fat accumulation and liver disease severity may be influenced by PNPLA3 rs738409 ***:The variant of PNPLA3 rs738409 was genotyped within 523 Han individuals with biopsy-confirmed *** fat area(VFA)was measured by bioelectrical *** liver fibrosis(SF),defined as stage F≥2 on histology,was the outcome measure of ***:The distribution of PNPLA3 genotypes was CC:27.5%,CG:48.2%,and GG:24.3%.Higher VFA was associated with greater risk of having SF(adjusted-odds ratio[OR]:1.03;95%confidence interval[CI]:1.02–1.04,p<0.05),independent of potential *** subjects with the same VFA level,the risk of SF was greater among carriers of the rs738409 G genotype than among those who did *** analysis showed that PNPLA3 rs738409 significantly influenced the association between VFA and *** remained significantly associated with SF only among the rs738409 G-allele carriers(adjusted-OR:1.05;95%CI:1.03–1.08 for the GG group;and adjusted-OR:1.03;95%CI:1.01–1.04 for the GC group).There was a significant interaction between VFA and PNPLA3 rs738409 genotype(Pinteraction=0.004).Conclusions:PNPLA3 rs738409 G allele has a moderate effect on the association between VFA and risk of SF in adult individuals with biopsy-proven *** of the PNPLA3 rs738409 G allele and VFA interact to increase risk of SF。

关键词： Nonalcoholic fatty liver disease Significant fibrosis Visceral fat area Single nucleotide polymorphism Metabolic dysfunction-associated fatty liver disease

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Interaction of SAMM50-rs738491,PARVB-rs5764455 and PNPLA3-rs738409 Increases Susceptibility to Nonalcoholic Steatohepatitis

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Journal of Clinical and Translational Hepatology 2022年第2期10卷 219-229页

作者： Ke Xu kenneth izheng Pei-Wu Zhu Wen-Yue Liu Hong-Lei Ma Gang Li Liang-Jie Tang Rafael SRios Giovanni Targher Christopher DByrne Xiao-Dong Wang Yong-Ping Chen Ming-Hua Zheng NAFLD Research Center Department of HepatologyFirst Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina Department of Thoracic Surgery Shanghai Chest HospitalShanghai Jiao Tong UniversityShanghaiChina Department of Laboratory Medicine First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina Department of Endocrinology First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina Section of Endocrinology Diabetes and MetabolismDepartment of MedicineUniversity and Azienda Ospedaliera Universitaria Integrata of VeronaVeronaItaly Southampton National Institute for Health Research Biomedical Research Centre University Hospital SouthamptonSouthampton General HospitalSouthamptonUK Institute of Hepatology Wenzhou Medical UniversityWenzhouZhejiangChina Key Laboratory of Diagnosis and Treatment for The Development of Chronic Liver Disease in Zhejiang Province WenzhouZhejiangChina

Background and Aims:Previous studies have reported that the single nucleotide polymorphisms(SNPs)of SAMM50-rs738491,PARVB-rs5764455 and PNPLA3-rs738409 are associated with nonalcoholic fatty liver disease(NAFLD).However,no studies have examined the effect of interactions between these three genotypes to affect liver disease *** assessed the effect of these three SNPs on nonalcoholic steatohepatitis(NASH)and also examined the gene-gene interactions in a Chinese population with biopsy-confirmed ***:We enrolled 415 consecutive adult individuals with biopsy-proven *** logistic regres-sion analysis was undertaken to test associations between NASH and SNPs in SAMM50-rs738491,PARVB-rs5764455 and ***-gene interactions were ana-lyzed by performing a generalized multifactor dimensionality reduction(GMDR)***:The mean±standard deviation age of these 415 patients was 41.3±12.5 years,and 75.9%were *** with SAMM50-rs738491 TT,PARVB-rs5764455 AA or PNPLA3-rs738409 GG genotypes had a higher risk of NASH,even after adjustment for age,sex and body mass *** analysis showed that the combination of all three SNPs was the best model for predicting ***,the odds ratio of the haplotype T-A-G for predicting the risk of NASH was nearly three times higher than that of the haplotype ***:NAFLD patients carrying the SAMM50-rs738491 TT,PARVB-rs5764455 AA or PNPLA3-rs738409 GG genotypes are at greater risk of *** three SNPs may synergistically interact to increase susceptibility to NASH.

关键词： Gene polymorphisms Gene-gene interaction SAMM50 PARVB PNPLA3 NASH

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From NAFLD to MAFLD:a“redefining”moment for fatty liver disease

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Chinese Medical Journal 2020年第19期133卷 2271-2273页

作者： kenneth izheng Jian-Gao Fan Jun-Ping Shi Vincent Wai-Sun Wong Mohammed Eslam Jacob George Ming-Hua Zheng Department of Hepatology MAFLD Research CenterThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang 25000China Department of Gastroenterology Center for Fatty LiverXin Hua Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai Key Laboratory of Pediatric Gastroenterology and NutritionShanghai 200065China Department of Liver Diseases Hangzhou Normal University Affiliated HospitalHangzhouZhejiang 311121China Department of Medicine and Therapeutics The Chinese University of Hong KongHong Kong 999077China Storr Liver Centre Westmead Institute for Medical ResearchWestmead Hospital and University of SydneySydney 2145Australia Institute of Hepatology Wenzhou Medical UniversityWenzhouZhejiang 325000China Key Laboratory of Diagnosis and Treatment for The Development of Chronic Liver Disease in Zhejiang Province WenzhouZhejiang 325000China.

The term non-alcoholic fatty liver disease(NAFLD)was coined in 1980 to characterize a disease similar to alcoholic fatty liver disease that developed in patients without a history of excessive alcohol intake.[1]Morphologically,NAFLD is characterized by excess fatty infiltration of the liver in the absence of known causes of liver disease(eg,alcohol,autoimmune liver disease,viral hepatitis,etc).The clinical manifestations of NAFLD(both hepatic and extrahepatic)depend on the outcome of complex interactions between its primary drivers including poor lifestyle habits and diet,a dysfunctional microbiota,genetic predisposition,and environmental cues that result in metabolic dysfunction and liver ***,bringing all patients with their markedly different clinical courses under the NAFLD umbrella belies its complexity and implies a homogeneous disease state that then negatively impacts clinical management and a deeper understanding of *** advances in current knowledge on the spectrum of fatty liver diseases,it is apparent that the fourdecade-old outdated term NAFLD can no longer serve to usefully describe a highly heterogeneous *** disease as we understand it today not only impacts patients who consume alcohol and those who do not,but also potentially impacts all patients with any form of liver disease,by acting as a disease modifier.[2]

关键词： NAFLD Morphological markedly

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Well-Posedness of Stochastic Continuity Equations on Riemannian Manifolds

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Chinese Annals of Mathematics,Series B 2024年第1期45卷 81-122页

作者： Luca GALIMBERTI kenneth H.KARLSEN Department of Mathematical Sciences NTNU Norwegian University of Science and TechnologyN-7491 TrondheimNorway Department of mathematics University of OsloP.O.Box 1053BlindernN-0316 OsloNorway

The authors analyze continuity equations with Stratonovich stochasticity,■ρ+divh[ρo(u(t,x)+∑_(i=1)^(N)a_(i)(x)w_(i)(t))]=0defined on a smooth closed Riemannian manifold M with metric *** velocity field u is perturbed by Gaussian noise terms Wi(t),:WN(t)driven by smooth spatially dependent vector fields a1(x),...,aN(x)on *** velocity u belongs to L_(t)^(1)W_(x)^(1,2)with divh u bounded in Lf,for p>d+2,where d is the dimension of M(they do not assume div_(h) u∈L_(t,x)^(∞)).For carefully chosen noise vector fields ai(and the number N of them),they show that the initial-value problem is well-posed in the class of weak L^(2) solutions,although the problem can be ill-posed in the deterministic case because of concentration *** proof of this“regularization by noise”result is based on a L^(2) estimate,which is obtained by a duality method,and a weak compactness argument.

关键词： Stochastic continuity equation Riemannian manifold Hyperbolic equa-tion Non-smooth velocity field Weak solution Existence Uniqueness

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Surgical cystogastrostomy: Is it still worthwhile?

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World Journal of Gastroenterology 2024年第17期30卷 2298-2301页

作者： Kin Pan Au kenneth Siu Ho Chok Department of Surgery Queen Mary HospitalThe University of Hong KongHong Kong 999077China Department of Surgery The Chinese University of Hong KongHong Kong 999077China

The article by Ker et al explores the treatment of peripancreatic fluid collection(PFC).The use of percutaneous drainage,endoscopy,and surgery for managing PFC are *** drainage is noted for its low risk profile,while endoscopic cystogastrostomy is more effective due to the wider orifice of the metallic *** cystogastrostomy is a definitive treatment with a reduced need for reintervention,especially for cases with extensive collections and significant *** choice of treatment modality should be tailored to individual patient characteristics and disease factors,considering the expertise available.

关键词： Endoscopic cystgastrostomy Surgical cystgastrostomy Pancreatitis Pancreatic necrosis Peripancreatic collection

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Biophotoelectrochemistry:An emerging frontier for channeling photoelectric effect into darkness zone of soils and sediments

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Pedosphere 2024年第1期34卷 5-8页

作者： Jie YE Shungui ZHOU kenneth H.NEALSON Christopher RENSING Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation College of Resources and EnvironmentFujian Agriculture and Forestry UniversityFuzhou 350002China Department of Earth Science University of Southern CaliforniaLos Angeles CA 90007USA

Solar energy captured by photosynthetic plants in the photic zone is recognized as the main driver for the formation of organic matter utilized by soil communities. However, the contribution of organic transformation to the linkage of solar energy and microbial metabolism of soils is reduced when the vadose zone is saturated. In contrast to the conventional biophotoelectrochemistry via photosynthesis with phytoplankton during the periodic saturation of soils, recent studies suggest that non-phototrophic microorganisms in soils and sediments are able to conduct light-dependent metabolism to sustain their functionality with photosensitizers under illumination. These interactions and processes utilize long-distance electron transfer networks to interconnect diverse electron transfer chains that channel photoexcited electrons into the opaque zone for soil communities. Such an emerging process not only allows for a better understanding of biogeochemical processes such as soil carbon sequestration and mitigation, but also shows great potential for environmental treatment such as the bioremediation of contaminated soils. Therefore, we suggest that biophotoelectrochemistry via photoelectric effect can have significant, heretofore unappreciated, theoretical and practical values.

关键词： soils soil metabolism

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Bile acid signaling in the regulation of whole body metabolic and immunological homeostasis

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Science China(Life Sciences) 2024年第5期67卷 865-878页

作者： Wei Jia Yitao Li kenneth C.P.Cheung Xiaojiao Zheng School of Chinese Medicine Hong Kong Baptist UniversityHong KongChina Center for Translational Medicine and Shanghai Key Laboratory of Diabetes Mellitus Shanghai Sixth People's Hospital Affiliated to Shanghai JiaoTong University School of MedicineShanghai 200233China

Bile acids(BAs)play a crucial role in nutrient absorption and act as key regulators of lipid and glucose metabolism and immune *** the enterohepatic circulation,BAs are synthesized,metabolized,and reabsorbed,with a portion entering the vascular circulation and distributing *** allows BAs to interact with receptors in all major organs,leading to organ-organ interactions that regulate both local and global metabolic processes,as well as the immune *** review focuses on the whole-body effects of BA-mediated metabolic and immunological regulation,including in the brain,heart,liver,intestine,eyes,skin,adipose tissue,and *** BA synthesis and receptor signaling is a promising strategy for the development of novel therapies for various diseases throughout the body.

关键词： bile acid whole body metabolism immunity

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Mechanistic insight into Cr(Ⅵ)retention by Si-containing ferrihydrite

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Journal of Environmental Sciences 2024年第5期139卷 217-225页

作者： Ying Hu Qiang Xue Honghan Chen Huaming Guo kenneth C.Carroll Song Wang MOE Key Laboratory of Groundwater Circulation and Environmental Evolution School of Water Resources and EnvironmentChina University of Geosciences(Beijing)Beijing 100083China Beijing Key Laboratory of Water Resources and Environmental Engineering School of Water Resources and EnvironmentChina University of GeosciencesBeijing 100083China State Key Laboratory of Biogeology and Environmental Geology China University of GeosciencesBeijing 100083China Plant&Environmental Science New Mexico State UniversityNM 88003USA Institute of Theoretical Chemistry College of ChemistryJilin UniversityChangchun 130023China

Hexavalent chromium[Cr(Ⅵ)]causes serious harm to the environment due to its high toxicity,solubility,and ***(Fh)are the main adsorbent and trapping agent of Cr(Ⅵ)in soils and aquifers,and they usually coexist with silicate(Si),forming Si-containing ferrihydrite(Si-Fh)***,the mechanism of Cr(Ⅵ)retention by Si-Fh mixtures is poorly *** this study,the behaviors and mechanisms of Cr(Ⅵ)adsorption onto Si-Fh with different Si/Fe molar ratios was *** electron microscope,Fourier transform infrared spectroscopy,X-ray diffraction,X-ray photoelectron spectroscopy,and other techniques were used to characterize Si-Fh and Cr(Ⅵ)-loading of *** results show that specific surface area of Si-Fh increases gradually with increasing Si/Fe ratios,but Cr(Ⅵ)adsorption on Si-Fh decreases with increasing Si/Fe *** is because with an increase in Si/Fe molar ratio,the point of zero charge of Si-Fh gradually decreases and electrostatic repulsion between Si-Fh and Cr(Ⅵ)***,the complexation of Cr(Ⅵ)is enhanced due to the increase in adsorbed hydroxyl(A-OH-)on Si-Fh with increasing Si/Fe molar ratio,which partly counteracts the effect of the electrostatic ***,the increase in the electrostatic repulsion has a greater impact on adsorption than the additional complexation with *** functional theory calculation further supports this observation,showing the increases in electron variation of bonding atoms and reaction energies of inner spherical complexes with the increase in Si/Fe ratio.

关键词： Hexavalent chromium Ferrihydrite Si/Fe ratio Cr(Ⅵ)Adsorption

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Smart mid-infrared metasurface microspectrometer gas sensing system

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Microsystems & Nanoengineering 2024年第3期10卷 273-281页

作者： Jiajun Meng Sivacarendran Balendhran Ylias Sabri Suresh K.Bhargava kenneth B.Crozier School of Physics University of MelbourneVictoriaAustralia Australian Research Council(ARC)Centre of Excellence for Transformative Meta-Optical Systems(TMOS) University of MelbourneVictoriaAustralia Centre for Advanced Materials&Industrial Chemistry(CAMIC) STEM collegeRMIT UniversityVictoriaAustralia Department of Electrical and Electronic Engineering University of MelbourneVictoriaAustralia

Smart,low-cost and portable gas sensors are highly desired due to the importance of air quality monitoring for environmental and defense-related ***,electrochemical and nondispersive infrared(IR)gas sensors are designed to detect a single specific *** IR spectroscopy-based sensors provide superior performance,their deployment is limited due to their large size and high *** this study,a smart,low-cost,multigas sensing system is demonstrated consisting of a mid-infrared microspectrometer and a machine learning *** microspectrometer is a metasurface filter array integrated with a commercial IR camera that is consumable-free,compact(~1 cm^(3))and lightweight(~1 g).The machine learning algorithm is trained to analyze the data from the microspectrometer and predict the gases *** system detects the greenhouse gases carbon dioxide and methane at concentrations ranging from 10 to 100%with 100%*** also detects hazardous gases at low concentrations with an accuracy of 98.4%.Ammonia can be detected at a concentration of 100 ***,methyl-ethyl-ketone can be detected at its permissible exposure limit(200 ppm);this concentration is considered low and *** study demonstrates the viability of using machine learning with IR spectroscopy to provide a smart and low-cost multigas sensing platform.

关键词： Smart gases system

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Introducing the Hong Kong Medical Journal and its important role in the timely dissemination of COVID-19 related knowledge

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Chinese Medical Journal 2024年第3期137卷 253-254页

作者： Rashid N Lui kenneth KW Li Martin CS Wong Hong Kong Medical Journal Hong Kong SARChina The JC School of Public Health and Primary Care Faculty of MedicineThe Chinese University of Hong KongHong Kong SARChina

Hong Kong Medical Journal(HKMJ)is the flagship general medical journal in the Hong Kong Special Administrative Region,China,with an international *** are committed to publishing and promoting high-quality *** by our Editor-in-Chief,Professor Martin CS Wong,our Editorial Board is pleased to collaborate with *** Wang,the Editor-in-Chief of the Chinese Medical Journal(CMJ),as well as the editors of CMJ to enhance the visibility of our respective journals and foster a collaborate environment that brings forth ideas and knowledge to our readers.

关键词： journal knowledge visibility

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