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Maternal resveratrol improves the intestinal health and weight gain of suckling piglets during high summer temperatures: The involvement of exosome-derived microRNAs and immunoglobin in colostrum

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animal Nutrition 2024年第2期17卷 36-48页

作者： Changming Hong Yujian Huang Guan Yang Xiaolu Wen Li Wang Xuefen Yang Kaiguo Gao Zongyong Jiang Hao Xiao State Key Laboratory of Swine and Poultry Breeding Industry Institute of Animal ScienceGuangdong Academy of Agricultural Sciences Key Laboratory of animal Nutrition and Feed Science in South China Ministry of Agriculture and Rural AffairsGuangdong Public Laboratory of Animal Breeding and Nutrition Guangdong Provincial Key Laboratory of animal Nutrition Control Institute of Subtropical Animal Nutrition and FeedCollege of Animal ScienceSouth China Agricultural University Department of infectious diseases and Public Health Jockey Club College of Veterinary Medicine and Life SciencesCity University of Hong Kong

Previous studies have shown that maternal resveratrol improved growth performance and altered the microbial composition of suckling piglets under hot summer conditions. However, it remains unclear how maternal resveratrol improves growth performance of suckling piglets during high summer temperatures. A total of 20 sows(Landrace × Large White; three parity) were randomly assigned to 2 groups(with or without 300 mg/kg resveratrol) from d 75 of gestation to d 21 of lactation during high ambient temperatures(from 27 to 30℃). The results showed that maternal resveratrol supplementation increased total daily weight gain of piglets under hot summer conditions, which is consistent with previous studies. Furthermore, we found that maternal resveratrol improved the intestinal morphology and intestinal epithelial proliferation in suckling piglets. Dietary resveratrol supplementation affected the characteristics of exosome-derived microRNAs(miRNAs) in sow colostrum, as well as the genes targeted by differentially produced miRNAs. MiRNAs are concentrated in the tight junction pathway. As a result, the expression of intestinal tight junction proteins was increased in suckling piglets(P < 0.05).Notably, maternal resveratrol increased the intestinal secretory immunoglobulin A(sIgA) levels of suckling piglets via colostrum immunoglobin(P < 0.05), which could increase the abundance of beneficial microbiota to further increase the concentration of short chain fatty acids(SCFA) in suckling piglets' intestine(P < 0.05). Finally, our correlation analysis further demonstrated the positive associations between significantly differential intestinal microbiota, intestinal sIgA production and SCFA concentrations,as well as the positive relation between total daily weight gain and intestinal health of suckling *** together, our findings suggested that maternal resveratrol could promote intestinal health to improve piglet growth during high summer temperatures, which might be associa

关键词： Colostrum Exosome Immunoglobulin Intestinal health Resveratrol

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Relationship between Phenotypic Changes of Dendritic Cell Subsets and the Onset of Plateau Phase during Intermittent Interferon Therapy in Patients with CHB

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Biomedical and Environmental Sciences 2024年第3期37卷 303-314页

作者： YANG Liu WANG Shi Yu JIANG Ting Ting DENG Wen CHANG Min WU Shu Ling CAO Wei Hua LU Yao SHEN Ge LIU Ru Yu GAO Yuan Jiao XU Meng Jiao HU Lei Ping ZHANG Lu XIE Yao LI Ming Hui Department of Hepatology division 2 Beijing Ditan HospitalCapital Medical UniversityBeijing 100015China Center for infectious diseases Second Affiliated Hospital of Air Force Medical UniversityXi'an 710038ShaanxiChina Department of Hepatology division 2 Peking University Ditan Teaching HospitalBeijing 100015China

Objective This study aimed to evaluate whether the onset of the plateau phase of slow hepatitis B surface antigen decline in patients with chronic hepatitis B treated with intermittent interferon therapy is related to the frequency of dendritic cell subsets and expression of the costimulatory molecules CD40,CD80,CD83,and *** This was a cross-sectional study in which patients were divided into a natural history group(namely NH group),a long-term oral nucleoside analogs treatment group(namely NA group),and a plateau-arriving group(namely P group).The percentage of plasmacytoid dendritic cell and myeloid dendritic cell subsets in peripheral blood lymphocytes and monocytes and the mean fluorescence intensity of their surface costimulatory molecules were detected using a flow *** In total,143 patients were enrolled(NH group,n=49;NA group,n=47;P group,n=47).The results demonstrated that CD141/CD1c double negative myeloid dendritic cell(DNmDC)/lymphocytes and monocytes(%)in P group(0.041[0.024,0.069])was significantly lower than that in NH group(0.270[0.135,0.407])and NA group(0.273[0.150,0.443]),and CD86 mean fluorescence intensity of DNmDCs in P group(1832.0[1484.0,2793.0])was significantly lower than that in NH group(4316.0[2958.0,5169.0])and NA group(3299.0[2534.0,4371.0]),Adjusted P all<*** Reduced DNmDCs and impaired maturation may be associated with the onset of the plateau phase during intermittent interferon therapy in patients with chronic hepatitis B.

关键词： CHB Dendritic Cells Intermittent Interferon Therapy Plateau Phase

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The Reduced Accuracy of Non-invasive Tests for Significant Fibrosis in Chronic Hepatitis B Patients with Metabolic Dysfunction-associated Steatotic Liver Disease

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Journal of Clinical and Translational Hepatology 2024年第9期12卷 827-829页

作者： Fajuan Rui Wenjing Ni Yee Hui Yeo Youwen Tan Liang Xu Junping Shi Jie Li Department of infectious diseases Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese MedicineNanjingJiangsuChina Department of infectious Disease Nanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing UniversityNanjingJiangsuChina Karsh division of Gastroenterology and Hepatology Cedars-Sinai Medical CenterLos AngelesCAUSA The Third Hospital of Zhenjiang Affiliated Jiangsu University School of MedicineJiangsu UniversityZhenjiangJiangsuChina Clinical School of the Second People’s Hospital Tianjin Medical UniversityTianjinChina Department of Hepatology Tianjin Second People’s HospitalTianjinChina Tianjin Research Institute of Liver diseases TianjinChina Department of infectious diseases The Affiliated Hospital of Hangzhou Normal UniversityHangzhouZhejiangChina

Metabolic dysfunction-associated steatotic liver disease(MASLD),formerly known as non-alcoholic fatty liver disease(NAFLD),is increasingly prevalent in Asia,1 an area also endemic for chronic hepatitis B(CHB).Our previous study showed that the coexistence of CHB and hepatic steatosis(HS)has reached 36.5%in Asia,2 with a similar figure observed globally.3 This coexistence may exacerbate the progression of hepatic fibrosis.

关键词： Metabolic hepatic NAFLD

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RNA viromes of Dermacentor nuttalli ticks reveal a novel uukuvirus in Qinghai Province,China

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Virologica Sinica 2024年第4期39卷 537-545页

作者： Yaohui Fang Jun Wang Jianqing Sun Zhengyuan Su Shengyao Chen Jian Xiao Jun Ni Zhihong Hu Yubang He Shu Shen Fei Deng Key Laboratory of special Pathogens and Biosafety and National Virus Resource Center Wuhan Institute of VirologyChinese Academy of SciencesWuhan 430071China University of Chinese Academy of Sciences Beijing 101408China Qinghai Lake National Nature Reserve Administration Xining 810000China Hubei Jiangxia Laboratory Wuhan 430200China Xinjiang Key Laboratory of Vector-borne infectious diseases Urumqi830002China

Ticks are a major parasite on the Qınghai-Tibet Plateau,western China,and represent an economic burden to agriculture and animal *** research on tick-borne pathogens that threaten humans and animals,the viromes of dominant tick species in this area remain *** this study,we collected Dermacentor nuttalli ticks near Qınghai Lake and identified 13 viruses belonging to at least six families through metagenomic *** viruses were of high abundance in pools,including Xınjiang tick-associated virus 1(XJTAV1),and three novel viruses:Qınghai Lake virus 1,Qınghai Lake virus 2(QHLV1,and QHLV2,unclassified),and Qınghai Lake virus 3(QHLV3,genus Uukuvirus of family Phenuiviridae in order Bunyavirales),which lacks the M *** minimum infection rates of the four viruses in the tick groups were 8.2%,49.5%,6.2%,and 24.7%,respectively,suggesting the prevalence of these viruses in *** ticks.A putative M segment of QHLV3 was identified from the next-generation sequencing data and further characterized for its signal peptide cleavage site,N-glycosylation,and transmembrane ***,we probed the L,M,and S segments of other viruses from sequencing data of other tick pools by using the putative M segment sequence of *** revealing the viromes of *** ticks,this study enhances our understanding of tick-borne viral communities in highland *** putative M segment identified in a novel uukuvirus suggests that previously identified uukuviruses without M segments should have had the same genome organization as typical *** findings will facilitate virus discovery and our understanding of the phylogeny of tick-borne uukuviruses.

关键词： Dermacentor nuttalli Qınghai Province Virome Uukuvirus M segment

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Complementary and alternative medicine on cognitive defects and neuroinflammation after sepsis

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Journal of Traditional Chinese Medicine 2024年第2期44卷 408-416页

作者： LI Zhenxuan WANG Xuerui Luis Ulloa Ayman Youssef BAI Yunjing XU Xiaolong LIU Qingquan Department of infectious diseases Beijing Hospital of Traditional Chinese MedicineCapital Medical UniversityBeijing 100010China Beijing Key Laboratory of Basic Research with Traditional Chinese Medicine on infectious diseases Beijing 100010China Infection immunity laboratory Beijing Institute of Traditional Chinese MedicineBeijing 100010China Clinical College of Traditional Chinese Medicine Capital Medical UniversityBeijing 100069China Center for Perioperative Organ Protection Department of AnesthesiologyDuke University Medical CenterDurhamNorth Carolina 27710USA

Sepsis-associated encephalopathy(SAE)is a common manifestation of sepsis,ranging from mild confusion and delirium to severe cognitive impairment and deep *** is associated with higher mortality and long-term outcomes,particularly substantial declines in cognitive *** mechanisms of SAE probably include neuroinflammation that is mediated by systemic inflammation and ischemic lesions in the brain,a disrupted blood–brain barrier,oxidative stress,neurotransmitter dysfunction,and severe microglial *** evidence suggests that complementary and alternative medicine,especially Traditional Chinese Medicine(TCM),is favorable in alleviating cognitive decline after ***,we summarized the studies of traditional herbal remedies,TCM formulas and acupuncture therapy in animal models of neurological dysfunctions after sepsis in recent decades and reviewed their potential mechanisms.

关键词： sepsis-associated encephalopathy cognitive dysfunction complementary therapies neuroinflammatory diseases medicine Chinese traditional review

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Fish-on-Chips:unveiling neural processing of chemicals in small animals through precise fluidic control

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Neural Regeneration Research 2024年第11期19卷 2351-2353页

作者： Samuel K.H.Sy Ho Ko division of Neurology Department of Medicine and TherapeuticsFaculty of MedicineThe Chinese University of Hong KongShatinNew TerritoriesHong Kong Special Administrative RegionChina Li Ka Shing Institute of Health Sciences Faculty of MedicineThe Chinese University of Hong KongShatinNew TerritoriesHong Kong Special Administrative RegionChina Department of Electrical and Electronic Engineering Faculty of EngineeringThe University of Hong KongPok Fu LamHong Kong IslandHong Kong Special Administrative RegionChina Advanced Biomedical Instrumentation Center Hong Kong Science ParkPak Shek KokNew TerritoriesHong Kong Special Administrative RegionChina Margaret K.L.Cheung Research Center for Management of Parkinsonism Faculty of MedicineThe Chinese University of Hong KongShatinNew TerritoriesHong Kong Special Administrative RegionChina Lau Tat-chuen Research Center of Brain Degenerative diseases in Chinese Faculty of MedicineThe Chinese University of Hong KongShatinNew TerritoriesHong Kong Special Administrative RegionChina Gerald Choa Neuroscience Institute The Chinese University of Hong KongShatinNew TerritoriesHong Kong Special Administrative RegionChina

Precise chemical cue presentation alongside advanced brainwide imaging techniques is important to the study of chemosensory processing in ***,the dynamic nature of chemical-carrying media,such as water or air,poses a significant challenge for delivering highly-controlled chemical flow to an animal ***,contact-based cue manipulation and delivery easily shift the position of the animal subject,which is often undesirable for high-quality brain ***,more advanced interfacing tools that align with the diverse range of body part sizes of an animal,ranging from micrometer-scale neurons to meter-long limbs,are much *** is particularly crucial when dealing with dimensions that are beyond the reach of conventional experimental tools.

关键词： dealing precise sizes

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Identification of novel small-molecule inhibitors of SARS-CoV-2 by chemical genetics

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Acta Pharmaceutica Sinica B 2024年第9期14卷 4028-4044页

作者： Chris Chun-Yiu Chan Qian Guo Jasper Fuk-Woo Chan Kaiming Tang Jian-Piao Cai Kenn Ka-Heng Chik Yixin Huang Mei Dai Bo Qin Chon Phin Ong Allen Wing-Ho Chu Wan-Mui Chan Jonathan Daniel Ip Lei Wen Jessica Oi-Ling Tsang Tong-Yun Wang Yubin Xie Zhenzhi Qin Jianli Cao Zi-Wei Ye Hin Chu Kelvin Kai-Wang To Xing-Yi Ge Tao Ni Dong-Yan Jin Sheng Cui Kwok-Yung Yuen Shuofeng Yuan State Key Laboratory of Emerging infectious diseases Carol Yu Centre for InfectionDepartment of MicrobiologySchool of Clinical MedicineLi Ka Shing Faculty of Medicinethe University of Hong KongPokfulamHong Kong SAR 999077China Department of infectious diseases and Microbiology the University of Hong Kong-Shenzhen HospitalShenzhen 518000China Centre for Virology Vaccinology and TherapeuticsHong Kong Science and Technology ParkHong Kong SAR 999077China Academician Workstation of Hainan Province Hainan Medical University-the University of Hong Kong Joint Laboratory of Tropical Infectious DiseasesHaikou 571100China School of Biomedical Sciences Li Ka Shing Faculty of Medicinethe University of Hong KongPokfulamHong Kong SAR 999077China NHC Key Laboratory of Systems Biology of Pathogens Institute of Pathogen Biology Chinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100730China College of Biology Hunan Provincial Key Laboratory of Medical VirologyHunan UniversityChangsha 410082China

There are only eight approved small molecule antiviral drugs for treating *** them,four are nucleotide analogues(remdesivir,JT001,molnupiravir,and azvudine),while the other four are protease inhibitors(nirmatrelvir,ensitrelvir,leritrelvir,and simnotrelvir-ritonavir).Antiviral resistance,unfavourable drug‒drug interaction,and toxicity have been reported in previous *** there is a dearth of new treatment options for *** this work,a three-tier cell-based screening was employed to identify novel compounds with anti-SARS-CoV-2 *** compound,designated 172,demonstrated broad-spectrum antiviral activity against multiple human pathogenic coronaviruses and different SARS-CoV-2 variants of *** studies validated by reverse genetics showed that compound 172 inhibits the 3-chymotrypsin-like protease(3CLpro)by binding to an allosteric site and reduces 3CLpro dimerization.A drug synergistic checkerboard assay demonstrated that compound 172 can achieve drug synergy with nirmatrelvir in *** vivo studies confirmed the antiviral activity of compound 172 in both Golden Syrian Hamsters and K18 humanized ACE2 ***,this study identified an alternative druggable site on the SARS-CoV-23CLpro,proposed a potential combination therapy with nirmatrelvir to reduce the risk of antiviral resistance and shed light on the development of allosteric protease inhibitors for treating a range of coronavirus diseases.

关键词： SARS-CoV-2 High throughput screening Broad-spectrum antiviral treatment 3CLpro inhibitor Allosteric-site inhibitor animal models Chemical genetics Reverse genetics

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Effects of COVID-19 pandemic on human fertility:A scientometric and visualized evaluation

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Genes & diseases 2024年第4期11卷 113-115页

作者： Xiangxiu Wang Yifan Rao Lili Tan Ziqiu Hu Lin Wen Weixi Qin Bingyi Li Keqiao He Tieying Yin Juhui Qiu Yuming Wang Yaokai Chen Xiancai Rao Guixue Wang Key Laboratory of Biorheological and Technology of the Ministry of Education State and Local Joint Engineering LaboratoryforVascular ImplantsModern LifeScience Experiment Teaching Center at Bioengineering College of Chongqing UniversityChongqing 400030China Department of Microbiology College of Basic Medical SciencesKey Laboratory of Microbial Engineering Under the Educational Committee in ChongqingArmy Medical University(Third Military Medical University)Chongqing 400038China Jinfeng Laboratory Chongqing 401329China division of infectious diseases Chongqing Public Health Medical CenterChongqing 400036China

CovID-19,also known as coronavirus disease 2019,is a novel coronavirus disease with high infectivity,strong heterogeneity,and long incubation period(generally 3-14 days).Its main symptoms and signs include fever,dry cough,nasal congestion,fatigue,disorientation,lymphopenia,and *** short-term and long-term impacts of covID-19 on human health,particularly its effects on human reproduction and offspring development,continue to receive significant concerns,as they may lead to potential sequelae for several decades or even centuries.

关键词： nasal fertility fever

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Monocyte and macrophage function in respiratory viral infections

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animal diseases 2024年第1期4卷 40-47页

作者： Mohd Arish Jie Sun Beirne B.Carter Center for Immunology Research University of VirginiaCharlottesvilleVA 22908USA division of infectious Disease and International Health Department of MedicineUniversity of VirginiaCharlottesvilleVA 22908USA

Pulmonary macrophages,such as tissue-resident alveolar and interstitial macrophages and recruited monocyte-derived macrophages,are the major macrophages present in the lungs during homeostasis and diseased *** tissue-resident macrophages act as sentinels of the alveolar space and play an important role in maintaining homeostasis and immune regulation,recruited macrophages accumulate in the respiratory tract after acute viral *** sharing similar anatomical niches,these macrophages are distinct in terms of their origins,surface marker expression,and transcriptional profiles,which impart macrophages with distinguished characteristics in physi-ological and pathophysiological *** this review,we summarize the current view on these macrophage populations,their shared functions,and what makes them distinct from each other in the context of homeostasis andrespiratoryviral infections.

关键词： Alveolar macrophages Interstitial macrophages Monocytes derived macrophages Viral infection IAV RSV SARS-COV-2

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Status and challenges of global antimicrobial resistance control: A dialogue between Professors Yonghong Xiao and Takeshi Nishijima

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hLife 2024年第2期2卷 47-49页

作者： Yonghong Xiao Takeshi Nishijima State Key Laboratory for Diagnosis and Treatment of infectious diseases The First Affiliated HospitalZhejiang University School of MedicineZhejiangChina Antimicrobial Resistance Essential Medicines and Health TechnologiesDivision of Health Systems and ServicesWHO Regional Office for the Western PacificManilaPhilippines

Antimicrobial resistance(AMR)is one of the top 10 public health threats,which is not only related to human health,but also closely related to animal health and environmental *** health concept and framework are the core strategy to contain *** World Health Organization(WHO)has already issued the Global Action Plan to contain AMR,which includes surveillance,education,stewardship,and innovation of new diagnostics and *** Asia–Pacific region is the most populous area of WHO,and also a region with severe ***,***,a professional officer of AMR control from WHO Regional Office for the Western Pacific discussed with Professor Yonghong Xiao(Zhejiang University)about the epidemiology,socioeconomic impact of AMR globally and in Western Asia–Pacific region(WPRO),and they talked the actions and strategies,achievements and shortcomings in the control of AMR during the past years,introduced the initiative of quadripartite One *** outstanding results of China in AMR containment were recognized.

关键词： resistance globally shortcomings

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