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Evaluation of the short-term outcomes of robotic-assisted radical resection for perihilar cholangiocarcinoma:a propensity-scored matching analysis

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Gastroenterology Report 2023年第1期11卷 254-259页

作者： Xi-Tai Huang jin-zhao xie Jian-Peng Cai Wei Chen Liu-Hua Chen Li-Jian Liang Xiao-Yu Yin Department of Pancreato-Biliary Surgery The First Affiliated HospitalSun Yat-sen UniversityGuangzhouGuangdongP.R.China

Background:The application of robotic-assisted radical resection in perihilar cholangiocarcinoma(pCCA)remains poorly *** study aimed to evaluate the safety and efficacy of robotic-assisted radical resection for pCCA in our ***:Between July 2017 and July 2022,pCCA patients undergoing robotic-assisted and open radical resection at First Affiliated Hospital of Sun Yat-sen University(Guangzhou,China)were *** short-term outcomes were compared by using propensity-scored matching(PSM)***:Eighty-six pCCA patients were *** PSM at a ratio of 1:2,10 and 20 patients were assigned to the roboticassisted and open groups,*** were no significant disparities in the clinicopathological features between the two *** robotic-assisted group had significantly longer operation time(median:548 vs 353 min,P=0.004)and larger total number of lymph nodes examined(median:11 vs 5,P=0.010)than the open *** robotic-assisted group tended to have a lower intraoperative blood loss(median:125 vs 350 mL,P=0.067),blood transfusion rates(30.0%vs 70.0%,P=0.056),and post-operative overall morbidities(30.0%vs 70.0%,P=0.056)than the open group,even though the differences were not statistically *** were no significant differences in the negative resection margin,post-operative major morbidities,or post-operative length-of-stay between the robotic-assisted and open groups(all P>0.05).Conclusions:Robotic-assisted radical resection of pCCA may get a larger total number of lymph nodes examined than open *** robotic-assisted surgery may be a feasible and safe technique for selected pCCA patients.

关键词： robotic-assisted surgery perihilar cholangiocarcinoma biliary reconstruction

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Learning curves of resection and reconstruction procedures in robotic-assisted pancreatoduodenectomy by a single surgeon:a retrospective cohort study of 160 consecutive cases

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Gastroenterology Report 2023年第1期11卷 424-432页

作者： Xi-Tai Huang Xi-Yu Wang jin-zhao xie Jian-Peng Cai Wei Chen Liu-Hua Chen Xiao-Yu Yin Department of Pancreato-Biliary Surgery The First Affiliated HospitalSun Yat-sen UniversityGuangzhouGuangdongP.R.China

Background:Robotic-assisted pancreatoduodenectomy(RPD)has been routinely performed in a few of centers *** study aimed to evaluate the perioperative outcomes and the learning curves of resection and reconstruction procedures in RPD by one single ***:Consecutive patients undergoing RPD by a single surgeon at the First Affiliated Hospital of Sun Yat-sen University(Guangzhou,China)between July 2016 and October 2022 were *** perioperative outcomes and learning curves were retrospectively analysed by using cumulative sum(CUSUM)***:One-hundred and sixty patients were *** to the CUSUM curve,the times of resection and reconstruction procedures were shortened significantly after 30 cases(median,284 vs 195 min;P<0.001)and 45 cases(median,138 vs 120 min;P<0.001),*** estimated intraoperative blood loss(median,100 vs 50 mL;P<0.001)and the incidence of clinically relevant post-operative pancreatic fistula(29.2%vs 12.5%;P=0.035)decreased significantly after 20 and 120 cases,*** were no significant differences in the total number of lymph nodes examined,post-operative major complications,or post-operative length-of-stay between the two ***:Optimization of the resection procedure and the acquisition of visual feedback facilitated the performance of *** was a safe and feasible procedure in the selected patients.

关键词： robotic-assisted surgery pancreatoduodenectomy learning curve outcomes

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Values of debulking surgery for unresectable well-differentiated metastatic pancreatic neuroendocrine tumors:a comparative study

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Gastroenterology Report 2023年第1期11卷 247-253页

作者： Xi-Tai Huang jin-zhao xie Liu-Hua Chen Jian-Peng Cai Wei Chen Li-Jian Liang Ning Zhang Xiao-Yu Yin Department of Pancreato-Biliary Surgery The First Affiliated HospitalSun Yat-sen UniversityGuangzhouGuangdongP.R.China Department of Gastroenterology The First Affiliated HospitalSun Yat-sen UniversityGuangzhouGuangdongP.R.China

Background and objective:The value of debulking surgery for unresectable well-differentiated metastatic pancreatic neuroendocrine tumor(m-PNET)remains poorly *** study aimed to evaluate the outcomes of m-PNET following debulking surgery in our ***:Patients with well-differentiated m-PNET in our hospital between February 2014 and March 2022 were *** and long-term outcomes of patients treated with radical resection,debulking surgery,and conservative therapy were compared ***:Fifty-three patients with well-differentiated m-PNET were reviewed,including 47 patients with unresectable m-PNET(debulking surgery,25;conservative therapy,22)and 6 patients with resectable m-PNET(radical resection).Patients undergoing debulking surgery had a post-operative Clavien–DindoIII complication rate of 16.0%without *** 5-year overall survival(OS)rate of patients treated with debulking surgery was significantly higher than that of those treated with conservative therapy alone(87.5%vs 37.8%,log-rank P=0.022).Besides,the 5-year OS rate of patients treated with debulking surgery was comparable to that of patients with resectable m-PNET undergoing radical resection(87.5%vs 100%,log-rank P=0.724).Conclusions:Patients with unresectable well-differentiated m-PNET who underwent resection had better long-term outcomes than those who received conservative therapy *** 5-year OS of patients undergoing debulking surgery and radical resection were *** surgery could be considered for patients with unresectable well-differentiated m-PNET if no contraindication exists.

关键词： pancreatic neuroendocrine tumor metastasis debulking surgery prognosis

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Values of spleen-preserving distal pancreatectomy in well-differentiated non-functioning pancreatic neuroendocrine tumors:a comparative study

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Gastroenterology Report 2022年第1期10卷 513-518页

作者： Xi-Tai Huang jin-zhao xie Jian-Peng Cai Peng Fang Chen-Song Huang Wei Chen Li-Jian Liang Xiao-Yu Yin Department of Pancreato-Biliary Surgery The First Affiliated HospitalSun Yat-sen UniversityGuangzhouGuangdongP.R.China

Background The feasibility of spleen-preserving distal pancreatectomy(SPDP)to treat well-differentiated non-functioning pancreatic neuroendocrine tumors(NF-pNETs)located at the body and/or tail of the pancreas remains *** pancreatectomy with splenectomy(DPS)has been widely applied in the treatment of NF-pNETs;however,it may increase the post-operative *** study aimed to evaluate whether SPDP is inferior to DPS in post-operative outcomes and survivals when being used to treat patients with NF-pNETs in our *** Clinicopathological features of patients with NF-pNETs who underwent curative SPDP or DPS at the First Affiliated Hospital of Sun Yat-sen University(Guangzhou,China)between January 2010 and January 2022 were ***-term outcomes and 5-year survivals were compared between patients undergoing SPDP and those undergoing *** Sixty-three patients(SPDP,27;DPS,36)with well-differentiated NF-pNETs were *** patients had grade 1/2 *** identifying patients with T1–T2 NF-pNETs(SPDP,27;DPS,15),there was no disparity between the SPDP and DPS groups except for tumor size(median,1.4 vs 2.6 cm,P=0.001).There were no differences in operation time(median,250 vs 295 min,P=0.478),intraoperative blood loss(median,50 vs 100 mL,P=0.145),post-operative major complications(3.7%vs 13.3%,P=0.287),clinically relevant post-operative pancreatic fistula(22.2%vs 6.7%,P=0.390),or post-operative hospital stays(median,9 vs 9 days,P=0.750)between the SPDP and DPS ***–Meier curve showed no significant differences in the 5-year overall survival rate(100%vs 100%,log-rank P>0.999)or recurrence-free survival(100%vs 100%,log-rank P>0.999)between patients with T1–T2 NF-pNETs undergoing SPDP and those undergoing *** In patients with T1–T2 well-differentiated NF-pNETs,SPDP could achieve comparable post-operative outcomes and prognosis compared with DPS.

关键词： pancreatic neuroendocrine tumor distal pancreatectomy spleen preservation prognosis

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FK506 contributes to peripheral nerve regeneration by inhibiting neuroinflammatory responses and promoting neuron survival

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Neural Regeneration Research 2025年第7期20卷 2108-2115页

作者： Yuhui Kou Zongxue jin Yusong Yuan Bo Ma Wenyong xie Na Han Department of Trauma and Orthopedics Peking University People’s HospitalBeijingChina National Center for Trauma Medicine Peking University People’s HospitalBeijingChina Key Laboratory of Trauma and Neural Regeneration(Peking University) Ministry of EducationBeijingChina Trauma Medicine Center Peking University People’s HospitalBeijingChina Department of Orthopedics China-Japan Friendship HospitalBeijingChina

FK506(Tacrolimus)is a systemic immunosuppressant approved by the *** and Drug ***506 has been shown to promote peripheral nerve regeneration,however,its precise mechanism of action and its pathways remain *** this study,we established a rat model of sciatic nerve injury and found that FK506 improved the morphology of the injured sciatic nerve,increased the numbers of motor and sensory neurons,reduced inflammatory responses,markedly improved the conduction function of the injured nerve,and promoted motor function *** findings suggest that FK506 promotes peripheral nerve structure recovery and functional regeneration by reducing the intensity of inflammation after neuronal injury and increasing the number of surviving neurons.

关键词： FK506 inflammation motor neurons nerve regeneration neuron peripheral nerve injury sensory neurons

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A matrix metalloproteinase-responsive hydrogel system controls angiogenic peptide release for repair of cerebral ischemia/reperfusion injury

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Neural Regeneration Research 2025年第2期20卷 503-517页

作者： Qi Liu Jianye xie Runxue Zhou jin Deng Weihong Nie Shuwei Sun Haiping Wang Chunying Shi Department of Human Anatomy Histology and EmbryologySchool of Basic MedicineQingdao UniversityQingdaoShandong ProvinceChina Department of Neurology The Affiliated Hospital of Qingdao UniversityQingdaoShandong ProvinceChina Department of General Practice The Affiliated Hospital of Qingdao UniversityQingdaoShandong ProvinceChina

Vascular endothelial growth factor and its mimic peptide KLTWQELYQLKYKGI(QK)are widely used as the most potent angiogenic factors for the treatment of multiple ischemic ***,conventional topical drug delivery often results in a burst release of the drug,leading to transient retention(inefficacy)and undesirable diffusion(toxicity)in ***,a drug delivery system that responds to changes in the microenvironment of tissue regeneration and controls vascular endothelial growth factor release is crucial to improve the treatment of ischemic *** metalloproteinase-2(MMP-2)is gradually upregulated after cerebral ***,vascular endothelial growth factor mimic peptide QK was self-assembled with MMP-2-cleaved peptide PLGLAG(TIMP)and customizable peptide amphiphilic(PA)molecules to construct nanofiber hydrogel ***-TIMP-QK was found to control the delivery of QK by MMP-2 upregulation after cerebral ischemia/reperfusion and had a similar biological activity with vascular endothelial growth factor in *** results indicated that PA-TIMP-QK promoted neuronal survival,restored local blood circulation,reduced blood-brain barrier permeability,and restored motor *** findings suggest that the self-assembling nanofiber hydrogel PA-TIMP-QK may provide an intelligent drug delivery system that responds to the microenvironment and promotes regeneration and repair after cerebral ischemia/reperfusion injury.

关键词： angiogenesis biomaterial blood-brain barrier cerebral ischemia/reperfusion injury control release drug delivery inflammation QK peptides matrix metalloproteinase-2 neuroprotection self-assembling nanofiber hydrogel

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Single-cell transcriptomic profiling reveals ZEB1-mediated regulation in microglial subtypes and the impact of exercise on neuroinflammatory responses

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Traditional Medicine Research 2025年第2期10卷 55-64页

作者： jin-Fang Wu Yi-Sheng Chen Yu-Chun xie Department of Rehabilitation Medicine Jiangsu Province Geriatric HospitalNanjing 210024China Fujian Key Laboratory of Toxicant and Drug Toxicology Medical CollegeNingde Normal UniversityNingde 352100China Central Laboratory Jiangsu Province Geriatric HospitalNanjing 210024China

Background:This study aims to identify distinct cellular subtypes within brain tissue using single-cell transcriptomic analysis,focusing on specific biomarkers that differentiate cell types and the effects of traditional and exercise ***:Four samples were analyzed:older control(OC),older exercise(OE),younger control(YC),and younger exercise(YE).Single-cell RNA sequencing was used to distinguish cellular subtypes through their biomarker *** visualization included violin and t-SNE plots to illustrate biomarker expression across cell clusters such as oligodendrocytes,microglia,and ***,BV2 cells were exposed to amyloid-beta fragments to simulate Alzheimer’s disease,assessing the impact of exercise-induced cellular ***:Distinct cellular subtypes were identified:oligodendrocytes(MBP,St18),microglia(Dock8),and astrocytes(Aqp4,Gpc5).Sample OE was predominantly oligodendrocytes,while YE had more astrocytes,inhibitory neurons,and Canal-Retzius *** showed a significant presence of Olfm3+ganglion ***1 gene knockout revealed changes in SMAD family gene expression,which regulate *** stress levels were also ***:This profiling enhances our understanding of brain cellular functions and interactions,potentially informing targeted therapies in neurological *** may influence brain cell immune responses and cell death pathways by regulating specific gene expressions,offering new insights for treating neuroinflammation and degeneration.

关键词： single-cell transcriptomics brain tissue cellular subtypes biomarker expression neuronal diversity

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Trinuclear gold-catalyzed site-selective alkylation of peptides

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Science China Chemistry 2025年第01期 249-256页

作者： Qing-Yun Fang Chengyihan Gu Yinghan Chen Wencheng Yan Yong Liang Weipeng Li Chengjian Zhu Jie Han jin xie State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials Chemistry and Biomedicine Innovation Center (Chem BIC) School of Chemistry and Chemical Engineering Nanjing University Green Catalysis Center College of Chemistry Zhengzhou University State Key Laboratory of Natural Medicines China Pharmaceutical University

Selective modification of peptides has always been a challenging issue. The selective alkylation of peptides can alter the biological activity and physical properties of molecules, and it has gained significant research interest. We herein disclose an intriguing gold-catalyzed alkylation of peptides using bench-stable unactivated alkyl bromides under photoredox catalysis. A wide range of structurally diverse primary, secondary and tertiary alkyl bromides serve as effective coupling partners to precisely connect with the α-C(sp3)–H in glycine residue of peptides. This protocol demonstrates an exceptionally broad scope for alkyl halides and excellent tolerance for a wide range of useful functional groups. A series of relay transformations to construct cyclic peptides, to proceed click reaction and to realize peptide fluorescence labeling further enhance its synthetic practicality. In addition, mechanistic studies and density functional theory(DFT) calculations reveal an inner-sphere and subsequent outersphere single electron transfer(SET) mechanism.

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Drosophila models used to simulate human ATP1A1 gene mutations that cause Charcot-Marie-Tooth type 2 disease and refractory seizures

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Neural Regeneration Research 2025年第1期20卷 265-276页

作者： Yao Yuan Lingqi Yu Xudong Zhuang Dongjing Wen jin He jingmei Hong Jiayu xie Shengan Ling Xiaoyue Du Wenfeng Chen Xinrui Wang Institute of Life Sciences College of Biological Science and EngineeringFuzhou UniversityFuzhouFujian ProvinceChina NHC Key Laboratory of Technical Evaluation of Fertility Regulation for Non-human Primate(Fujian Maternity and Child Health Hospital) FuzhouFujian ProvinceChina Medical Research Center Fujian Maternity and Child Health HospitalCollege of Clinical Medicine for Obstetrics&Gynecology and PediatricsFujian Medical UniversityFuzhouFujian ProvinceChina Department of Neurology and Institute of Neurology of The First Affiliated Hospital Institute of Neuroscienceand Fujian Key Laboratory of Molecular NeurologyFujian Medical UniversityFuzhouFujian ProvinceChina

Certain amino acids changes in the human Na^(+)/K^(+)-ATPase pump,ATPase Na^(+)/K^(+)transporting subunit alpha 1(ATP1A1),cause Charcot-Marie-Tooth disease type 2(CMT2)disease and refractory *** develop in vivo models to study the role of Na^(+)/K^(+)-ATPase in these diseases,we modified the Drosophila gene homolog,Atpα,to mimic the human ATP1A1 gene mutations that cause *** located within the helical linker region of human ATP1A1(I592T,A597T,P600T,and D601F)were simultaneously introduced into endogenous Drosophila Atpαby CRISPR/Cas9-mediated genome editing,generating the Atpα^(TTTF)*** addition,the same strategy was used to generate the corresponding single point mutations in flies(Atpα^(I571T),Atpα^(A576T),Atpα^(P579T),and Atpα^(D580F)).Moreover,a deletion mutation(Atpα^(mut))that causes premature termination of translation was generated as a positive *** these alleles,we found two that could be maintained as homozygotes(Atpα^(I571T)and Atpα^(P579T)).Three alleles(Atpα^(A576T),Atpα^(P579)and Atpα^(D580F))can form heterozygotes with the Atpαmut *** found that the Atpαallele carrying these CMT2-associated mutations showed differential phenotypes in *** heterozygous for Atpα^(TTTF)mutations have motor performance defects,a reduced lifespan,seizures,and an abnormal neuronal *** Drosophila models will provide a new platform for studying the function and regulation of the sodium-potassium pump.

关键词： ATP1A1 Atpα bang-sensitive paralysis Charcot-Marie-Tooth disease type 2 CRISPR/Cas9 homology-directed repair Na^(+)/K^(+)-ATPase point mutation seizures sodium pump

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Loss-of-function mutations of microRNA-142-3p promote ASH1L expression to induce immune evasion and hepatocellular carcinoma progression

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World Journal of Gastroenterology 2025年第1期31卷 126-145页

作者： Xing-Hui Yu Yan xie Jian Yu Kun-Ning Zhang Zhou-Bo Guo Di Wang zhao-Xian Li Wei-Qi Zhang Yu-Ying Tan Li Zhang Wen-Tao Jiang School of Medicine Nankai UniversityTianjin 300192China Tianjin Key Laboratory of Molecular Diagnosis and Treatment of Liver Cancer Tianjin First Center HospitalTianjin 300192China Department of Liver Transplantation Tianjin First Center HospitalTianjin 300192China First Central Clinical School Tianjin Medical UniversityTianjin 300192China

BACKGROUND Hepatocellular carcinoma(HCC)has been a pervasive malignancy throughout the world with elevated *** therapeutic targets are beneficial to treat and predict the ***,the exact molecular mechanisms leading to the progression of HCC are still *** has shown that the microRNA-142-3p level decreases in HCC,whereas bioinformatics analysis of the cancer genome atlas database shows the ASH1L expression increased among liver tumor *** this paper,we will explore the effects and mechanisms of microRNA-142-3p and ASH1L affect the prognosis of HCC patients and HCC cell bioactivity,and the association between *** To investigate the effects and mechanisms of microRNA-142-3p and ASH1L on the HCC cell bioactivity and prognosis of HCC *** In this study,we grouped HCC patients according to their immunohistochemistry results of ASH1L with pathological tissues,and retrospectively analyzed the prognosis of HCC ***,explored the roles and mechanisms of microRNA-142-3p and ASH1L by cellular and animal experiments,which involved the following experimental methods:Immunohistochemical staining,western blot,quantitative real-time-polymerase chain reaction,flow cytometric analysis,tumor xenografts in nude mice,*** statistical methods involved in this study contained t-test,one-way analysis of variance,theχ^(2)test,the Kaplan-Meier approach and the log-rank *** In this study,we found that HCC patients with high expression of ASH1L possess a more recurrence rate as well as a decreased overall survival ***1L promotes the tumorigenicity of HCC and microRNA-142-3p exhibits reduced expression in HCC tissues and interacts with ASH1L through targeting the ASH1L 3′untranslated ***,microRNA-142-3p promotes apoptosis and inhibits proliferation,invasion,and migration of HCC cell lines in vitro via *** the exploration mechanism,we found ASH1L may promote an immunosuppressive mi

关键词： Hepatocellular carcinoma MicroRNA-142-3p ASH1L Immune evasion Tumor immune microenvironment Apoptosis

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