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Copper homeostasis and neurodegenerative diseases

Neural Regeneration Research 2025年第11期20卷 3124-3143页

作者： Yuanyuan Wang Daidi Li Kaifei Xu Guoqing Wang Feng Zhang International Research laboratory of Ethnomedicine of Ministry of Education Key Laboratory of Basic Pharmacology of Ministry of EducationLaboratory Animal Center and Key Laboratory of Basic Pharmacology of Guizhou ProvinceZunyi Medical UniversityZunyiGuizhou ProvinceChina

Copper,one of the most prolific transition metals in the body,is required for normal brain physiological activity and allows various functions to work normally through its range of *** homeostasis is meticulously maintained through a complex network of copper-dependent proteins,including copper transporters(CTR1 and CTR2),the two copper ion transporters the Cu-transporting ATPase 1(ATP7A)and Cu-transporting beta(ATP7B),and the three copper chaperones ATOX1,CCS,and *** in copper homeostasis can lead to either the deficiency or accumulation of copper in brain *** evidence suggests that abnormal copper metabolism or copper binding to various proteins,including ceruloplasmin and metallothionein,is involved in the pathogenesis of neurodegenerative ***,the exact mechanisms underlying these processes are not *** is a potent oxidant that increases reactive oxygen species production and promotes oxidative *** reactive oxygen species levels may further compromise mitochondrial integrity and cause mitochondrial *** oxygen species serve as key signaling molecules in copper-induced neuroinflammation,with elevated levels activating several critical inflammatory ***,copper can bind aberrantly to several neuronal proteins,including alphasynuclein,tau,superoxide dismutase 1,and huntingtin,thereby inducing neurotoxicity and ultimately cell *** study focuses on the latest literature evaluating the role of copper in neurodegenerative diseases,with a particular focus on copper-containing metalloenzymes and copper-binding proteins in the regulation of copper homeostasis and their involvement in neurodegenerative disease *** synthesizing the current findings on the functions of copper in oxidative stress,neuroinflammation,mitochondrial dysfunction,and protein misfolding,we aim to elucidate the mechanisms by which copper contributes to a wide range of heredit

关键词： Alzheimer's disease amyotrophic lateral sclerosis disease copper homeostasis copper toxicity Huntington's disease Menkes'disease multiple sclerosis neurodegenerative disease Parkinson's disease Wilson's disease

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Isolation and characterization of H7N9 viruses from live poultry markets--Implication of the source of current H7N9 infection in humans

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Chinese Science Bulletin 2013年第16期58卷 1857-1863页

作者： SHI JianZhong DENG GuoHua LIU PeiHong ZHOU JinPing GUAN LiZheng LI WenHui LI XuYong GUO Jing WANG GuoJun FAN Jun WANG JinLiang LI YuanYuan JIANG YongPing LIU LiLing TIAN GuoBin LI ChengJun CHEN HuaLan animal influenza laboratory State Key Laboratory of Veterinary Biotechnology Harbin Veterinary Research Institute Chinese Academy of Agricultural Sciences Shanghai animal Disease Control Center

On March 31, 2013, the National Health and Family Planning Commission announced that human infections with a previously undescribed influenza A (H7N9) virus had occurred in Shanghai and Anhui Province, China. To investigate the possible origins of the H7N9 viruses causing these human infections, we collected 970 samples, including drinking water, soil, and cloacal and tracheal swabs of poultry from live poultry markets and poultry farms in Shanghai and Anhui Province. Twenty samples were positive for the H7N9 influenza virus. Notably, all 20 viruses were isolated from samples collected from live poultry markets in Shanghai. Phylogenetic analyses showed that the six internal genes of these novel human H7N9 viruses were derived from avian H9N2 viruses, but the ancestor of their HA and NA genes is uncertain. When we examined the phylogenetic relationship between the H7N9 isolates from live poultry markets and the viruses that caused the human infections, we found that they shared high homology across all eight gene segments. We thus identified the direct avian origin of the H7N9 influenza viruses that caused the human infections. Importantly, we observed that the H7N9 viruses isolated from humans had acquired critical mutations that made them more "human-like". It is therefore imperative to take strong measures to control the spread of H7N9 viruses in birds and humans to prevent further threats to human health.

关键词：流感病毒人类感染市场活禽分离感染源鉴定蕴涵

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Differential miRNA expression profiling of highly pathogenic avian influenza virus H5N1 infected chicken lungs reveals critical microRNAs,biological pathways and genes involved in the molecular pathogenesis

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Virologica Sinica 2022年第3期37卷 465-468页

作者： Anamika Mishra Muhasin Asaf Amod Kumar Diwakar Dattatreya Kulkarni Richa Sood Sandeep Bhatia Bharat Bhushan Ashwin Ashok Raut Pathogenomics laboratory ICAR-National Institute of High Security Animal DiseasesOIE referral laboratory for Avian InfluenzaBhopal 462021India ICAR-National Institute of High Security animal Diseases OIE referral lab for Avian InfluenzaBhopal 462021India Division of animal Genetics ICAR-Indian Veterinary Research InstituteBareilly 243122India

Dear Editor,Avian influenza is a highly contagious viral infection affecting the respiratory ***(miRNAs)are small,regulatory,endogenous,non-coding RNAs of~22 nt that regulate the gene expression of the target mRNAs by cleavage or translational *** are connected with the host response during avian influenza virus(AIV)infection(Wang et al.,2009,2012).In this study.

关键词： influenza endogenous pathogenesis

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H5N1 avian influenza in China

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Science China(Life Sciences) 2009年第5期52卷 419-427页

作者： CHEN HuaLan animal influenza laboratory of the Ministry of Agriculture and National Key laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, China animal influenza laboratory of the Ministry of Agriculture and National Key laboratory of Veterinary Biotechnology Harbin Veterinary Research Institute Chinese Academy of Agricultural Sciences Harbin 150001 China

H5N1 highly pathogenic avian influenza virus was first detected in a goose in Guangdong Province of China in 1996. Multiple genotypes of H5N1 viruses have been identified from apparently healthy waterfowl since 1999. In the years 2004-2008, over 100 outbreaks in domestic poultry occurred in 23 provinces and caused severe economic damage to the poultry industry in China. Beginning from 2004, a culling plus vaccination strategy has been implemented for the control of epidemics. Since then, over 35420000 poultry have been depopulated, and over 55 billion doses of the different vaccines have been used to control the outbreaks. Although it is logistically impossible to vaccinate every single bird in China due to the large poultry population and the complicated rearing styles, there is no doubt that the increased vaccination coverage has resulted in decreased disease epidemic and environmental virus loading. The experience in China suggests that vaccination has played an important role in the protection of poultry from H5N1 virus infection, the reduction of virus load in the environment, and the prevention of H5N1 virus transmission from poultry to humans.

关键词： avian influenza H5N1 control China

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Establishing an ELISA,Based on the HA1 Protein,for Detecting Antibodies against H3N2 Subtype Swine influenza Virus

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畜牧兽医学报 2009年第S1期40卷 57-61页

作者： DING Xuan-ya QIAO Chuan-ling CHEN Yan YANG Huan-liang XIN Xiao-guang HAN Qing-gong CHEN Hua-lan animal influenza laboratory of the Ministry of Agriculture State Key Laboratory of Veterinary BiotechnologyHarbin Veterinary Research InstituteChinese Academy of Agricultural Sciences

The HA1 gene of H3N2 subtype swine influenza virus(SIV)was cloned into the expression plasmid pET-30a,the recombinant plasmid was named *** was transformed into *** BL21(DE3),and expressed by induction with *** expressed HA protein was identified by SDS-PAGE and Western blotting which showed the protein to be 42kDa and was *** purified HA protein was used to establish the indirect ELIS A for detection of the antibodies,specifically against the H3 subtype of *** assay has excellent specificity,sensitivity and *** 96 serum samples,randomly collected from the field,were evaluated in parallel by this new ELISA using recombinant HA1 and a routine HI test,the coincidental rate between the two tests was 86.5%.These results show that the recombinant HAl-based ELISA is specific,sensitive and easy to perform for the serological diagnosis of SIV infection.

关键词： swine influenza virus HA1 protein subtype specific ELISA

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Resveratrol compares with melatonin in improving in vitro porcine oocyte maturation under heat stress

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Journal of animal Science and Biotechnology 2017年第1期8卷 89-98页

作者： Yu Li Jing Wang Zhenzhen Zhang Jinyun Yi Changjiu He Feng Wang Xiuzhi Tian Minghui Yang Yukun Song Pingli He Guoshi Liu National Engineering laboratory for animal Breeding Key Laboratory of Animal Genetics and Breeding of the Ministry of AgricultureBeijing Key Laboratory for Animal Genetic ImprovementCollege of Animal Science and TechnologyChina Agricultural University College of animal Science and Technology Jilin Agricultural University

Background： Resveratrol, an important phyto-antioxidant commonly found in grapes, mulberry, and other plants,has a variety of functions including anti-aging, anti-cancer and anti-inflammatory activities. In the current study, we investigated the beneficial effects of resveratrol on in vitro porcine oocyte maturation under heat stress（HS）. The effect of resveratrol, melatonin and their combination on alleviating HS was compared according to the maturation rate of oocytes and the development competence of embryos after parthenogenetic activation（PA）.Results： Supplementation with resveratrol（2.0 μmol/L） not only improved the nuclear maturation but also raised the blastocyst rate of porcine embryos＇ PA from oocytes that underwent HS by increasing their glutathione（GSH）level, reducing reactive oxygen species（ROS） and up-regulating the expression of Sirtuin 1（SIRT1）. It was also found that melatonin（10^-7mol/L） and the combination of resveratrol（2.0 μmol/L） plus melatonin（10^-7mol/L） exhibited more potent effects than resveratrol alone regarding their protective activities on oocyte maturation under ***： This study compared the efficiencies of resveratrol, melatonin and their combination for protecting porcine oocytes from heat stress. The mechanisms are attributed to the fact that each treatment may have different ability to regulate the synthesis of steroid hormones and the expression of mature related genes.

关键词： Combination Maturation Melatonin Oocyte Porcine Resveratrol

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Fine Mapping QTLs Affecting Milk Production Traits on BTA6 in Chinese Holstein with SNP Markers

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Journal of Integrative Agriculture 2013年第1期12卷 110-117页

作者： LIU Rui SUN Dong-xiao WANG Ya-chun YU Ying ZHANG Yi CHEN Hui-yong ZHANG Qin ZHANG Sheng-li ZHANG Yuan College of animal Science and Technology/Key laboratory of animal Genetics and Breeding Ministry of Agriculture/National Engineering Laboratory of Animal Genetics/China Agricultural University Sichuan animal Science Academy

Our previous studies demonstrated that the region around markers BMS470 and BMS1242 on BTA6 showed a linkage to 305-d milk yield and composition traits in the Chinese Holstein population. We herein focused on such narrow region to fine map milk production QTLs with 15 SNPs across 25 Mb with each SNP in 1 Mb within most regions in a Chinese Holstein population with daughter design. 1 449 Holstein cows and 11 sires were genotyped for such SNPs by using TaqMan probe and RFLP assays. Multipoint linkage analysis across family revealed a QTL affecting milk yield between PPARGC1A C4075T and SLC34A2 T1713C. Meanwhile, within family analysis found three milk yield QTLs （two in CR T60984131G-CEP135 C501T and one in PDLIM5 A106C-OPN T3907, a fat yield QTLin UGDH T1670C-CR T60984131G region, and two protein yield QTLs in TBC1D1 G501C-UGDH T1670C and PPARGC1A C4075T-SLC34A2 T1713C, respectively. Associations between aforementioned significant SNP markers and milk production traits were further implemented. We found significant associations of PPARGC1A C4075T, SLC34A2 T1713C with milk yield （P0.05, P0.01, P0.01）, UGDH T1670C, and CR T60984131G with fat yield （P0.01, P0.01）, and PPARGC1A C4075T, SLC34A2 T1713C, UGDH T1670C and OPN T3907 with protein yield （P0.01, P0.01, P0.01, P0.01）. Our findings implied that QTLs affecting milk production traits on BTA6 were pleictropism or multigenic effect and PPARGC1A and OPN may be the causal mutations behind milk production QTLs on BTA6 in the Chinese Holstein population.

关键词： fine mapping milk production trait SNP BTA6 Chinese Holstein

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Evolutionary dynamics and comparative pathogenicity of clade 2.3.4.4b H5 subtype avian influenza viruses,China,2021–2022

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Virologica Sinica 2024年第3期39卷 358-368页

作者： Siru Lin Junhong Chen Ke Li Yang Liu Siyuan Fu Shumin Xie Aimin Zha Aiguo Xin Xinyu Han Yuting Shi Lingyu Xu Ming Liao Weixin Jia National Avian influenza Para-Reference laboratory Guangdong Engineering Laboratory for Medicament of Zoonosis Prevention and ControlKey Laboratory of Zoonoses Prevention and Control of Guangdong ProvinceLaboratory for Lingnan Modern AgricultureCollege of Veterinary MedicineSouth China Agricultural UniversityGuangzhou510642China Key laboratory of Zoonoses Key Laboratory of Animal Vaccine DevelopmentMinistry of AgricultureGuangzhou510642China Institute of Poultry Management and Diseases Yunnan Animal Science and Veterinary InstituteKunming650000China

The recent concurrent emergence of H5N1,H5N6,and H5N8 avian influenza viruses(AIVs)has led to significant avian mortality *** 2020,frequent human-animal interactions have been *** gain insight into the novel H5 subtype AIVs(i.e.,H5N1,H5N6 and H5N8),we collected 6102 samples from various regions of China between January 2021 and September 2022,and identified 41 H5Nx *** analyses on the evolution and biological properties of these isolates were *** analysis revealed that the 41 H5Nx strains belonged to clade 2.***.4.4b,with 13 related to H5N1,19 to H5N6,and 9 to *** based on global 2.***.4.4b viruses showed that all the viruses described in this study were likely originated from H5N8,exhibiting a heterogeneous evolutionary history between H5N1 and H5N6 during 2015–2022 worldwide.H5N1 showed a higher rate of evolution in 2021–2022 and more sites under positive selection pressure in 2015–*** antigenic profiles of the novel H5N1 and H5N6 exhibited notable *** hemagglutination inhibition assay suggested that some A(H5N1)viruses may be antigenically distinct from the circulating H5N6 and H5N8 *** challenge assays demonstrated that the H5N8 virus(21GD001_H5N8)displayed the highest pathogenicity in mice,followed by the H5N1 virus(B1557_H5N1)and then the H5N6 virus(220086_H5N6),suggesting a heterogeneous virulence profile of H5 AIVs in the mammalian *** on the above results,we speculate that A(H5N1)viruses have a higher risk of emergence in the ***,these findings unveil a new landscape of different evolutionary history and biological characteristics of novel H5 AIVs in clade 2.***.4.4b,contributing to a better understanding of designing more effective strategies for the prevention and control of novel H5 AIVs.

关键词： Avian influenza virus(AIV) H5 subtypes AIVs Evolutionary Pathogenicity

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Mining the key regulatory genes of chicken inosine 5'-monophosphate metabolism based on time series microarray data

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Journal of animal Science and Biotechnology 2015年第3期6卷 280-290页

作者： Teng Ma Lu Xu Hongzhi Wang Jing Chen Lu Liu Guobin Chang Guohong Chen animal Genetic Resources laboratory College of Animal Science and TechnologyYangzhou University

IMP （inosine 5＇-monophosphate） is a compound that enhances the flavor of poultry meat. IMP has become a new breeding trait to improve poultry meat quality. We tried to identify several potential regulatory genes, and construct their predicted regulatory relationships. Time series gene expression profiles of thigh muscle tissues of Rugao chicken, a famous indigenous breed in China, were performed for analysis of genes that are co-expressed or correlated with the concentration of IMP. We found 15 crucial co-expression genes, which are Hspa2, Pten, Gabpa, Bpi, Mkll, Srf,, Cd34, Hspa4, EtvS, Bmpr2, Gdel, IgfbpS, Cd28, Pecam1 and Gja1, that may directly or indirectly regulate IMP metabolism. Eventually, we computed the correlation coefficient between 19 IMP Genes and 15 CGs （15 co-expression genes）, and we identified and constructed a predicted regulation network. In conclusion, variation of IMP concentration was primarily connected with the muscle development process. During this process, 15 CGs were identified that may have significant influence on IMP metabolism. In particular, Bmpr2, Pten and co-expression genes correlated with Entpd8 might play important roles in regulating IMP de novo synthesis, decomposition and salvage synthesis.

关键词： Co-expression Hub genes IMP metabolism Regulation network

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Construction and Immunogenicity of a Recombinant Adenovirus Expressing the HA Gene of H5N1 Subtype Swine influenza Virus

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畜牧兽医学报 2010年第S1期41卷 76-81页

作者： WU Yun-pu QIAO Chuan-ling YANG Huan-liang CHEN Yan ZHAN Xiao-guo XIN Xiao-guang CHEN Hua-lan animal influenza laboratory of the Ministry of Agriculture State Key Laboratory of Veterinary BiotechnologyHarbin Veterinary Research InstituteChinese Academy of Agricultural SciencesHarbin 150001China Liaoning Center for animal Disease Control and Prevention Shenyang 110164China

To construct a recombinant adenovirus shuttle plasmid pDC315-H5HA-EGFP,the HA gene of A/Swine/Fujian/1/2001(H5N1) was amplified by RT-PCR and then inserted into adenovirus shuttle plasmid pDC315.A replication-defective recombinant adenovirus expressing the HA gene(rAd-H5HA-EGFP) was generated by co-transfecting the recombinant shuttle plasmid pDC315-H5HA-EGFP and the genomic plasmid pBHGlox△E1,E3Cre in HEK293 *** recombinant adenovirus was confirmed by PCR,RT-PCR and Western blot *** results demonstrated that HA protein was properly expressed by the rAd-H5HA-EGFP in HEK293 cells and had natural biological *** TCID50 of the rAd-H5HA- EGFP was assessed to be 2.26×1010/mL after propagation and *** of BALB/ c mice indicated that rAd-H5HA-EGFP induced HI antibodies and protected mice from replication of the challenge virus in their lungs.

关键词： swine influenza virus H5N1 subtype HA gene recombinant adenovirus

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