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Tislelizumab in previously treated,locally advanced unresectable/metastatic microsatellite instability-high/mismatch repair-deficient solid tumors

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Chinese Journal of Cancer Research 2024年第3期36卷 257-269页

作者： Jian Li Ye Xu Aimin Zang Yunong Gao Quanli Gao Yanqiao zhang Dong Wang Jianming Xu Ying Yuan Haiping Jiang Jieer Ying Chunmei shi Yanhong Deng Jing Wang Tianshu Liu Yi Huang Xiaoping Qian Yueyin Pan Ying Cheng Sheng Hu Jin Wang Mengyue shi ke Wang Han Hu Lin Shen State key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers Beijing Key Laboratory of Carcinogenesis and Translational ResearchDepartment of Gastrointestinal OncologyPeking University Cancer Hospital&InstituteBeijing 100142China Department of Oncology Fudan University Shanghai Cancer CenterShanghai 200032China Department of Medical Oncology Affiliated Hospital of Hebei UniversityBaoding 071000China key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing) Department of GynecologyPeking University Cancer Hospital&InstituteBeijing 100142China Department of Immunotherapy Henan Cancer HospitalZhengzhou 450001China Department of Gastrointestinal Oncology Affiliated Cancer Hospital of Harbin Medical UniversityHarbin 150086China Department of Gastrointestinal Oncology Chongqing University Cancer HospitalChongqing 400030China Department of Gastrointestinal Oncology the Fifth Medical CenterChinese PLA General HospitalBeijing 100048China Department of Medical Oncology the Second Affiliated HospitalZhejiang University School of MedicineHangzhou 310009China Department of Medical Oncology the First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China Department of Medical Oncology Cancer Hospital of the University of Chinese Academy of SciencesHangzhou 310022China Department of Medical Oncology Fujian Medical University Union HospitalFuzhou 350001China Department of Oncology the Sixth Affiliated HospitalSun Yat-sen UniversityGuangzhou 510655China Department of Medical Oncology Hunan Cancer HospitalChangsha 410013China Department of Medical Oncology Zhongshan HospitalFudan UniversityShanghai 200032China Department of Immunotherapy Hubei Cancer HospitalWuhan 430079China Department of Medical Oncology the Affiliated Hospital of Nanjing University Medical SchoolNanjing 210008China Department of Medical Oncology Anhui Provincial HospitalHefei 230001China Department of Medical Oncology Jilin Cancer Hospital

Objective:The open-label,phase II RATIONALE-209 study evaluated tislelizumab(anti-programmed cell death protein 1 antibody)as a tissue-agnostic monotherapy for microsatellite instability-high(MSI-H)/mismatch repair-deficient(dMMR)***:Adults with previously treated,locally advanced unresectable or metastatic MSI-H/dMMR solid tumors were *** received tislelizumab 200 mg intravenously every 3 *** response rate(ORR;primary endpoint),duration of response(DoR),and progression-free survival(PFS)were assessed by independent review committee(Response Evaluation Criteria in Solid Tumors v1.1).Results:Eighty patients were enrolled and treated;75(93.8%)patients had measurable disease at *** had metastatic disease and received at least one prior therapy for advanced/metastatic disease(n=79;98.8%).At primary analysis(data cutoff July 8,2021;median follow-up 15.2 months),overall ORR[46.7%;95%confidence interval(95%CI),35.1−58.6;one-sided P<0.0001]and ORR across tumor-specific subgroups[colorectal(n=46):39.1%(95%CI,25.1–54.6);gastric/gastroesophageal junction(n=9):55.6%(95%CI,21.2−86.3);others(n=20):60.0%(95%CI,36.1−80.9)]were significantly greater with tislelizumab vs.a prespecified historical control ORR of 10%;five(6.7%)patients had complete *** DoR,PFS,and overall survival were not reached with long-term follow-up(data cutoff December 5,2022;median follow-up 28.9 months).Tislelizumab was well tolerated with no unexpected safety ***-related adverse events(TRAEs)of grade≥3 occurred in 53.8%of patients;7.5%of patients discontinued treatment due to ***:Tislelizumab demonstrated a significant ORR improvement in patients with previously treated,locally advanced unresectable or metastatic MSI-H/dMMR tumors and was generally well tolerated.

关键词： Biomarkers DNA mismatch repair immune checkpoint inhibitors microsatellite instability phase II clinical trials programmed cell death 1 receptor

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Programmed cell death 1 inhibitor sintilimab plus concurrent chemoradiotherapy for locally advanced pancreatic adenocarcinoma

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World Journal of Clinical Oncology 2024年第7期15卷 859-866页

作者： shi-Qiong Zhou Peng Wan Sen zhang Yuan Ren Hong-Tao Li Qing-Hua ke Department of Chemoradiotherapy The First Affiliated Hospital of Yangtze UniversityJingzhou 434000Hubei ProvinceChina

BACKGROUND Pancreatic adenocarcinoma,a malignancy that arises in the cells of the pancreas,is a devastating disease with unclear etiology and often poor *** advanced pancreatic cancer,a stage where the tumor has grown significantly but has not yet spread to distant organs,presents unique challenges in *** article aims to discuss the current strategies,challenges,and future directions in the management of locally advanced pancreatic adenocarcinoma(LAPC).AIM To investigate the feasibility and efficacy of programmed cell death 1(PD-1)inhibitor sintilimab plus concurrent chemoradiotherapy for *** Eligible patients had LAPC,an Eastern cooperative oncology group performance status of 0 or 1,adequate organ and marrow functions,and no prior anticancer *** the observation group,participants received intravenous sintilimab 200 mg once every 3 wk,and received concurrent chemoradiotherapy(concurrent conventional fractionated radiotherapy with doses planning target volume 50.4 Gy and gross tumor volume 60 Gy in 28 fractions and oral S-140 mg/m2 twice daily on days 1-14 of a 21-d cycle and intravenous gemcitabine 1000 mg/m2 on days 1 and 8 of a 21-d cycle for eight cycles until disease progression,death,or unacceptable toxicity).In the control group,participants only received concurrent *** April 2020 to November 2021,64 participants were finally enrolled with 34 in the observation group and 30 in the control *** Thirty-four patients completed the scheduled course of chemoradiotherapy,while 32(94.1%)received sintilimab plus concurrent chemoradiotherapy with 2 patients discontinuing sintilimab in the observation *** patients completed the scheduled course of chemoradiotherapy in the control *** on the Response Evaluation Criteria in Solid Tumors guidelines,the analysis of the observation group revealed that a partial response was observed in 11 patients(32.4%),stable disease was evident in 19 pa

关键词： Immunotherapy Concurrent chemoradiotherapy Locally advanced pancreatic adenocarcinoma Programmed cell death 1 Sintilimab

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Leukocyte-Specific Morrbid Promotes Leukocyte Differentiation and Atherogenesis

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Research 2024年第2期2023卷 123-137页

作者： Di Xiang Lei Jiang Qiong Yuan Yang Yu Ruiming Liu Meiting Chen Zheng Kuai Wendy zhang Fan Yang Tingting Wu Zhiyu He Zuhui ke Wanzi Hong Pengcheng He Ning Tan Yeying Sun Zhen shi Xuebiao Wei Jianfang Luo Xiaoqiu Tan Yuqing Huo Gangjian Qin Chunxiang zhang Department of Cardiology Key Laboratory of Medical ElectrophysiologyMinistry of EducationInstitute of Cardiovascular ResearchThe Affiliated Hospital of Southwest Medical UniversitySouthwest Medical UniversityLuzhouSichuan 646000China Department of Biomedical Engineering School of Medicine The University of Alabama at BirminghamBirminghamAL 35233USA Department of Cardiology.Guangdong Cardiovascular Institute Guangdong Provincial Key Laboratory of Coronary Heart Disease PreventionGuangdong Provincial Institute of Geriatric MedicineGuangdong General HospitalGuangdong Academy of Medical SciencesGuangzhouGuangdong 510100China Vascular Biology Center Medical College of GeorgiaAugusta UniversityAugustaGA 30912USA

Monocyte-to-M0/M1 macrophage differentiation with unclear molecular mechanisms is a pivotal cellular event in many cardiovascular diseases including *** non-coding RNAs(lncRNAs)are a group of protein expression regulators;however,the roles of monocyte-lncRNAs in macrophage differentiation and its related vascular diseases are still *** study aims to investigate whether the novel leukocyte-specific lncRNA Morrbid could regulate macrophage differentiation and *** identified that Morrbid was increased in monocytes and arterial walls from atherosclerotic mouse and from patients with *** cultured monocytes,Morrbid expression was markedly increased during monocyte to M0 macrophage differentiation with an additional increase during M0 macrophage-to-M1 macrophage *** differentiation stimuli-induced monocyte-macrophage differentiation and the macrophage activity were inhibited by Morrbid ***,overexpression of Morrbid alone was sufficient to elicit the monocyte-macrophage *** role of Morrbid in monocyte-macrophage differentiation was also identified in vivo in atherosclerotic mice and was verified in Morrbid knockout *** identified that PI3-kinase/Akt was involved in the up-regulation of Morrbid expression,whereas s100a10 was involved in Morrbid-mediated effect on macrophage *** provide a proof of concept of Morrbid in pathogenesis of monocyte/macrophage-related vascular disease,we applied an acute atherosclerosis model in *** results revealed that overexpression of Morrbid enhanced but monocyte/macrophage-specific Morrbid knockout inhibited the monocytes/macrophages recruitment and atherosclerotic lesion formation in *** results suggest that Morrbid is a novel biomarker and a modulator of monocyte-macrophage phenotypes,which is involved in atherogenesis.

关键词： inhibited Mor markedly

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考虑充电站可调潜力的虚拟惯性功率补偿控制策略

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电力系统自动化 2024年第3期48卷 73-81页

作者：施兴烨柯松张帆唐建林梁莉莉杨军交直流智能配电网湖北省工程中心湖北省武汉市430072 武汉大学电气与自动化学院湖北省武汉市430072 南方电网科学研究院有限责任公司广东省广州市510663 广东省电网智能量测与先进计量企业重点实验室广东省广州市510663 广东电网有限责任公司肇庆供电局广东省肇庆市526060

针对微电网因可再生能源接入导致惯量不足问题,提出了一种协同可再生能源发电的充电站惯性功率控制策略。首先,考虑到电动汽车具有良好的柔性调控潜力,在充电站层面将其等效为广义储能为控制器提供功率响应能力。接着,借鉴虚拟同步机的... 详细信息

针对微电网因可再生能源接入导致惯量不足问题,提出了一种协同可再生能源发电的充电站惯性功率控制策略。首先,考虑到电动汽车具有良好的柔性调控潜力,在充电站层面将其等效为广义储能为控制器提供功率响应能力。接着,借鉴虚拟同步机的转子运行特性,提出了虚拟惯性功率补偿控制策略,并配合可再生能源发电提供频率支撑。最后,在MATLAB/Simulink中搭建了相应的仿真模型进行验证。仿真结果表明,所提出的虚拟惯性功率补偿控制策略能有效利用充电站调控潜力向系统提供惯性支撑功率,提高系统的频率稳定性。

关键词：可再生能源惯量电动汽车储能虚拟同步机

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基于稳定性同位素核酸探针技术的同化利用玉米秸秆碳微生物群落演替研究

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植物营养与肥料学报 2024年第3期30卷 430-440页

作者：陈霄龙郭腾飞张倩岳克张珂珂宋晓丁世杰张水清黄绍敏河南省农业科学院植物营养与资源环境研究所河南郑州450002 河南农业大学资源与环境学院河南郑州450002

[目的]研究秸秆分解过程中同化利用秸秆碳源的微生物生态演替过程,明确参与秸秆分解的主要微生物类群,为秸秆高效利用提供科学依据。[方法]采用^(13)C标记高丰度玉米秸秆。微宇宙室内培养试验的供试土壤为华北平原石灰性潮土。共设置3... 详细信息

[目的]研究秸秆分解过程中同化利用秸秆碳源的微生物生态演替过程,明确参与秸秆分解的主要微生物类群,为秸秆高效利用提供科学依据。[方法]采用^(13)C标记高丰度玉米秸秆。微宇宙室内培养试验的供试土壤为华北平原石灰性潮土。共设置3个处理:不添加秸秆(soil)、添加自然丰度秸秆(soil+^(12)C-straw)和添加13C标记秸秆(soil+^(13)C-straw)。培养30天时,结合同位素示踪与高通量测序等技术,测定秸秆添加对土壤有机碳的激发效应,分析利用秸秆碳源的细菌、真菌群落结构及其与土壤胞外酶活性的关系。[结果](1)秸秆添加显著提高了土壤CO^(2)排放,添加秸秆对土壤有机碳的激发效应在培养第1天达到峰值,土壤和秸秆CO^(2)排放比例均在培养第3天达到峰值。(2)整个培养时期共发现参与秸秆碳同化利用的细菌微生物操作分类单元(operational taxonomic units,OTU_(s))238个,真菌OTU_(s)24个。细菌OTU_(s)主要属于细菌变形菌门(Proteobacteria)、放线菌门(Actinobacteria)、拟杆菌门(Bacteroidetes)与绿弯菌门(Chloroflexi),真菌OTU_(s)主要为子囊菌门中的粪壳菌纲(Sordariomycetes)。(3)秸秆分解不同时期的微生物群落结构存在显著差异,在整个培养时期,以热单胞菌属(Thermomonas)与溶杆菌属(Lysobacter)为代表的7个细菌属快速响应秸秆添加,以假黄单胞菌属(Pseudoxanthomonas)与土生单胞菌属(Terrimonas)为代表的6个细菌属延迟响应;两个真菌属枝鼻菌属(Cladorrhinum)与葡萄穗霉属(Stachybotrys)表现为对秸秆添加的快速响应,新赤壳属(Neocosmospora)与unclassified_f_Halosphaeriaceae为延迟响应。(4)曼特尔分析表明,细菌热单胞菌属(Thermomonas)、溶杆菌属(Lysobacter)、绿弯菌门(Chloroflexi)以及真菌裂壳菌属(Schizothecium)与碳氮转化相关土壤胞外酶活性呈显著正相关关系。[结论]外源秸秆添加对土壤有机碳产生正激发效应,显著增加了土壤CO^(2)排放。同化秸秆碳源的微生物随培养时间延长发生群落演替,细菌的热单胞菌属(Thermomonas)、溶杆菌属(Lysobacter)、绿弯菌门(Chloroflexi)以及真菌的裂壳菌属(Schizothecium)在玉米秸秆分解过程中具有重要作用,可为秸秆高效腐熟菌剂的研发提供依据。

关键词： ^(13)C玉米秸秆 DNA稳定同位素核酸探针微生物类群群落演替

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政府介入对基础研究发展的影响研究——基于专项政策的准实验分析

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科研管理 2024年第7期45卷 1-10页

作者：宋潇刘克张龙鹏中共重庆市委党校公共管理学教研部重庆400041 华南理工大学公共管理学院广东广州510641 电子科技大学公共管理学院四川成都611731 电子科技大学(深圳)高等研究院广东深圳518110

基础研究专项政策是政府促进基础研究发展的关键制度安排,考察其执行效果与作用机制对进一步优化政策,助推实现高水平科技自立自强具有重要意义。基于2001—2020年30个省份的面板数据,采用多期双重差分法检验了基础研究专项政策对基础... 详细信息

基础研究专项政策是政府促进基础研究发展的关键制度安排,考察其执行效果与作用机制对进一步优化政策,助推实现高水平科技自立自强具有重要意义。基于2001—2020年30个省份的面板数据,采用多期双重差分法检验了基础研究专项政策对基础研究发展的影响效应与作用机制。发现:(1)专项政策推动了基础研究发展,这一结论在多重稳健性检验后依然成立;(2)专项政策效果存在明显的区域异质性,在东中西部地区呈现出“边际效应递减”规律;(3)专项政策具有明显的质量强弱效应,政策工具是促成质量强弱效应的关键,表现为7类政策工具都显著发挥了作用,其中政策目标工具的作用效应最强;同时,在保证人、财、物投入的情况下,加入开放合作工具的工具组合对基础研究的增益效果更好。研究从中国情景肯定了政府介入科学研究的有效性,丰富了基础研究发展领域的研究;同时,研究为政府优化政策供给和合理使用不同政策工具提供了经验证据,对推动基础研究发展的政策实践具有参考价值。

关键词：基础研究知识创新政策质量工具组合效应

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Nasal vaccination of triple-RBD scaffold protein with flagellin elicits long-term protection against SARS-CoV-2 variants including JN.1

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Signal Transduction and Targeted Therapy 2024年第5期9卷 2312-2323页

作者： Xian Li Mengxin Xu Jingyi Yang Li Zhou Lin Liu Min Li Shasha Wang Mei-Qin Liu Zhixiang Huang Zhen zhang Shuning Liu Yunqi Hu Haofeng Lin Bowen Liu Ying Sun Qingguo Wu Zheng-Li shi ke Lan Yu Chen Huimin Yan Yao-Qing Chen Wuhan Institute of Virology Chinese Academy of SciencesWuhanChina Vaccine and Immunology Research Center Translational Medical Research InstituteShanghai Public Health Clinical CenterFudan UniversityShanghaiChina University of Chinese Academy of Sciences BeijingChina School of Public Health(Shenzhen) Shenzhen Campus of Sun Yat-sen UniversityShenzhenGuangdongChina State key Laboratory of Virology Modern Virology Research CenterCollege of Life SciencesWuhan UniversityWuhanChina Aerosol Bio-Tech(Suzhou)Co. LTDSuzhouJiangsuChina National Medical Products Administration key Laboratory for Quality Monitoring and Evaluation of Vaccines and Biological Products Sun Yat-sen UniversityGuanzhouChina

Developing a mucosal vaccine against SARS-CoV-2 is critical for combatting the ***,we investigated long-term immune responses and protection against SARS-CoV-2 for the intranasal vaccination of a triple receptor-binding domain(RBD)scaffold protein(3R-NC)adjuvanted with a flagellin protein(KFD)(3R-NC+KFDi.n).In mice,the vaccination elicited RBD-specific broad-neutralizing antibody responses in both serum and mucosal sites sustained at high level over a *** long-lasting humoral immunity was correlated with the presence of long-lived RBD-specific IgG-and IgA-producing plasma cells,alongside the Th17 and Tfh17-biased T-cell responses driven by the KFD *** upon these preclinical findings,an open labeled clinical trial was conducted in individuals who had been primed with the inactivated SARS-CoV-2(IAV)*** a favorable safety profile,the 3R-NC+KFDi.n boost elicited enduring broad-neutralizing IgG in plasma and IgA in salivary *** meet the challenge of frequently emerged variants,we further designed an updated triple-RBD scaffold protein with mutated RBD combinations,which can induce adaptable antibody responses to neutralize the newly emerging variants,including *** findings highlight the potential of the KFD-adjuvanted triple-RBD scaffold protein is a promising prototype for the development of a mucosal vaccine against SARS-CoV-2 infection.

关键词： vaccination vaccine sustained

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Phytochrome B interacts with LIGULELESS1 to control plant architecture and density tolerance in maize

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Molecular Plant 2024年第8期17卷 1255-1271页

作者： Qingbiao shi Ying Xia Qibin Wang Kaiwen Lv Hengjia Yang Lianzhe Cui Yue Sun Xiaofei Wang Qing Tao Xiehai song Di Xu Wenchang Xu Xingyun Wang Xianglan Wang Fanying Kong Haisen zhang Bosheng Li Pinghua Li Haiyang Wang Gang Li State key Laboratory of Wheat Improvement College of Life SciencesShandong Agricultural UniversityTai'an 271018China State key Laboratory of Wheat Improvement College of AgronomyShandong Agricultural UniversityTai'an 271018China Peking University Institute of Advanced Agricultural Sciences Shandong Laboratory of Advanced Agricultural Sciences at WeifangWeifangShandong 261000China Guandong Laboratory for Lingnan Modern Agriculture State Key Laboratory for Conservation and Utilization of Subtropical Agro-BioresourcesSouth China Agricultural UniversityGuangzhou510642China

Over the past few decades,significant improvements in maize yield have been largely attributed to increased plant density of upright hybrid varieties rather than increased yield per ***,dense planting triggers shade avoidance responses(SARs)that optimize light absorption but impair plant vigor and performance,limiting yield improvement through increasing plant *** this study,we demonstrated that high-density-induced leaf angle narrowing and stem/stalk elongation are largely dependent on phytochrome B(phyB1/B2),the primaryphotoreceptor responsible for perceiving red(R)and far-red(FR)light in *** found that maize phyB physically interacts with the LIGULELESS1(LG1),a classical key regulator of leaf angle,to coordinately regulate plant architecture and density *** abundance of LG1 is significantly increased by phyB under high R:FR light(low density)but rapidly decreases under low R:FR light(high density),correlating with variations in leaf angle and plant height under various *** addition,we identified the homeobox transcription factor HB53 as a target co-repressed by both phyB and LG1 but rapidly induced by canopy *** and cellular analyses showed that HB53 regulates plant architecture by controlling the elongation and division of ligular adaxial and abaxial *** together,these findings uncover the phyB-LG1-HB53 regulatory module as a key molecular mechanism governing plant architecture and density tolerance,providing potential genetic targets for breeding maize hybrid varieties suitable for high-density planting.

关键词： maize phytochrome B LIGULELESS1 HB53 leaf angle density tolerance

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PBX/Knotted 1 homeobox-2(PKNOX2)is a novel regulator of myocardial fibrosis

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Signal Transduction and Targeted Therapy 2024年第5期9卷 2231-2249页

作者： Liang Chen Haotong Li Xiaorui Liu Ningning zhang Kui Wang Anteng shi Hang Gao Deniz Akdis Ardan MSaguner Xinjie Xu Elena Osto Willem Van de Veen Guangyu Li Antoni Bayés-Genís Firat Duru Jiangping song Xiangjie Li Shengshou Hu State key Laboratory of Cardiovascular Disease Fuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP.R.China School of Statistics and Data Science Nankai UniversityTianjinChina Department of Cardiology University Heart CenterUniversity Hospital Zurich and University of ZurichZurichSwitzerland Institute for Clinical Chemistry University Hospital Zurich and University of ZürichZurichSwitzerland Swiss Institute of Allergy and Asthma Research(SIAF) University of ZurichDavosSwitzerland Heart Institute Hospital Universitari Germans Trias i PujolBadalonaCIBERCVSpain

Much effort has been made to uncover the cellular heterogeneities of human hearts by single-nucleus RNA ***,the cardiac transcriptional regulation networks have not been systematically described because of the limitations in detecting transcription *** this study,we optimized a pipeline for isolating nuclei and conducting single-nucleus RNA sequencing targeted to detect a higher number of cell signal genes and an optimal number of transcription *** this unbiased protocol,we characterized the cellular composition of healthy human hearts and investigated the transcriptional regulation networks involved in determining the cellular identities and functions of the main cardiac cell *** in fibroblasts,a novel regulator,PKNOX2,was identified as being associated with physiological fibroblast activation in healthy *** validate the roles of these transcription factors in maintaining homeostasis,we used single-nucleus RNA-sequencing analysis of transplanted failing hearts focusing on fibroblast *** trajectory analysis suggested that PKNOX2 was abnormally decreased from fibroblast activation to pathological myofibroblast *** gain-and loss-of-function in vitro experiments demonstrated the inhibitory role of PKNOX2 in pathological fibrosis ***,fibroblast-specific overexpression and knockout of PKNOX2 in a heart failure mouse model induced by transverse aortic constriction surgery significantly improved and aggravated myocardial fibrosis,*** summary,this study established a high-quality pipeline for single-nucleus RNA-sequencing analysis of heart *** this optimized protocol,we described the transcriptional regulation networks of the main cardiac cell subtypes and identified PKNOX2 as a novel regulator in suppressing fibrosis and a potential therapeutic target for future translational studies.

关键词： NOX2 homeostasis fibrosis

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Development of a High-throughput Sequencing Platform for Detection of Viral Encephalitis Pathogens Based on Amplicon Sequencing

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Biomedical and Environmental Sciences 2024年第3期37卷 294-302页

作者： zhang Ya Li SU Wen Zhe WANG Rui Chen LI Yan zhang Jun Feng LIU Sheng Hui HU Dan He XU Chong Xiao YIN Jia Yu YIN Qi Kai HE Ying LI Fan FU shi Hong NIE Kai LIANG Guo Dong TAO Yong XU song Tao MA Chao Feng WANG Huan Yu Shaanxi University of Chinese Medicine Xianyang 712000ShaanxiChina National key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases National Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBeijing 102206China Guangzhou Center for Disease Control and Prevention Guangzhou 510000GuangdongChina Shandong Center for Disease Control and Prevention Jinan 250000ShandongChina Department of Ophthalmology Beijing Chaoyang HospitalCapital Medical UniversityBeijing 100020China Xi'an Center for Disease Control and Prevention Xi’an 710054ShaanxiChina

Objective Viral encephalitis is an infectious disease severely affecting human *** is caused by a wide variety of viral pathogens,including herpes viruses,flaviviruses,enteroviruses,and other *** laboratory diagnosis of viral encephalitis is a worldwide ***,high-throughput sequencing technology has provided new tools for diagnosing central nervous system ***,In this study,we established a multipathogen detection platform for viral encephalitis based on amplicon *** We designed nine pairs of specific polymerase chain reaction(PCR)primers for the 12 viruses by reviewing the relevant *** detection ability of the primers was verified by software simulation and the detection of known positive *** sequencing was used to validate the samples,and consistency was compared with Sanger *** The results showed that the target sequences of various pathogens were obtained at a coverage depth level greater than 20×,and the sequence lengths were consistent with the sizes of the predicted *** sequences were verified using the National Center for Biotechnology Information BLAST,and all results were consistent with the results of Sanger *** Amplicon-based high-throughput sequencing technology is feasible as a supplementary method for the pathogenic detection of viral *** is also a useful tool for the high-volume screening of clinical samples.

关键词： Viral encephalitis Amplicon sequencing High-throughput sequencing Multipathogen detection

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