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Apolipoprotein E4 interferes with lipid metabolism to exacerbate depression-like behaviors in 5xFAD mice

animal Models and Experimental Medicine 2024年第3期7卷 347-361页

作者： Yanju Gong Mingfeng Li Min Liu Xinghan Wu Yanhong Li Chuan Qin Ling Zhang iNHC Key Laboratory of Human Disease Comparative Medicine Beijing Engineering Research Center for Experimental Animal Models of Human Critical DiseasesInternational Center for Technology and lnnovation of Animal ModelComparative Medicine CenterInstitute of Laboratory Animal SciencesChinese Academy of Medical Sciences(CAMS)and Peking Union Medical College(PuMC)BeijingChina Changping National Laboratory(CPNL) BeijingChina

Background:Apolipoprotein E4(ApoE4)allele is the strongest genetic risk factor for late-onset Alzheimer's disease,and it can aggravate depressive symptoms in non-AD ***,the impact of ApoE4 on AD-associated depression-l ike behaviors and its underlying pathogenic mechanisms remain ***:This study developed a 5xFAD mouse model overexpressing human ApoE4(E4FAD).Behavioral assessments and synaptic function tests were conducted to explore the effects of ApoE4 on cognition and depression in 5xFAD *** in peripheral and central lipid metabolism,as well as the levels of serotonin(5-HT)andγ-aminobutyric acid(GABA)neurotransmitters in the prefrontal cortex,were *** addition,the protein levels of 24-dehydrocholesterol reductase/glycogen synthase kinase-3 beta/mammalian target of rapamycin(DHCR24/GSK3β/m TOR)and postsynaptic density protein 95/calmodulin-dependent protein kinase II/brain-derived neurotrophic factor(PSD95/CaMK-II/BDNF)were measured to investigate the molecular mechanism underlying the effects of ApoE4 on AD ***:Compared with 5xFAD mice,E4FAD mice exhibited more severe depressionlike behaviors and cognitive *** mice also exhibited increased amyloid-beta deposition in the hippocampus,increased astrocyte numbers,and decreased expression of depression-related neurotransmitters 5-HT and GABA in the prefrontal ***,lipid metabolism disorders were observed in E4FAD,manifesting as elevated low-density lipoprotein cholesterol and reduced high-density lipoprotein cholesterol in peripheral blood,decreased cholesterol level in the prefrontal cortex,and reduced expression of key enzymes and proteins related to cholesterol synthesis and *** expression of proteins related to the DHCR24/GSK3β/m TOR and PSD95/CaMK-II/BDNF pathways was also ***:This study found that ApoE4 overexpression exacerbates depressionlike behaviors in 5xFAD mice and confirmed that ApoE4 reduces co

关键词： 5xFAD mice Alzheimer's disease ApoE4 allele depression like

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Antigen epitopes of animal coronaviruses:a mini-review

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animal Diseases 2024年第1期4卷 19-26页

作者： Mingjun Su Guanghui Zheng Xiangwen Xu Houhui Song Key Laboratory of Applied Technology On Green-Eco-Healthy animal husbandry of Zhejiang Province Zhejiang Provincial Engineering Research Center for Animal Health Diagnostics&Advanced TechnologyZhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health ManagementChina-Australia Joint Laboratory for Animal Health Big Data AnalyticsCollege of Animal Science and Technology&College of Veterinary Medicine of ZhejiangA&F University666 Wusu StreetLin'an DistrictHangzhou 311300Zhejiang ProvinceChina

Coronaviruses are widespread in nature and can infect mammals and poultry,making them a public health ***,prevention and control of emerging and re-emerging animal coronaviruses is a great *** mecha-nisms of virus-mediated immune responses have important implications for research on virus prevention and *** antigenic epitope is a chemical group capable of stimulating the production of antibodies or sensitized lympho-cytes,playing an important role in antiviral immune ***,it can shed light on the development of diagnos-tic methods and novel ***,we have reviewed advances in animal coronavirus antigenic epitope research,aiming to provide a reference for the prevention and control of animal and human coronaviruses.

关键词： animal coronavirus Antigen epitope B-cell epitope T-cell epitope Immune responses Vaccines

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Molybdenum and cadmium co-induce necroptosis through Th1/Th2 imbalance-mediated endoplasmic reticulum stress in duck ovaries

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Journal of Environmental sciences 2024年第8期142卷 92-102页

作者： Ting Cui Xueyan Dai Huiling Guo Dianyun Wang Bingyan Huang Wenjing Pu Xuesheng Chu Caiying Zhang Jiangxi Provincial Key Laboratory for animal Health Institute of Animal Population HealthCollege of Animal Science and TechnologyJiangxi Agricultural UniversityNanchang 330045China

Cadmium(Cd)and excess molybdenum(Mo)pose serious threats to animal *** previous study has determined that Cd and/or Mo exposure can cause ovarian damage of ducks,while the specific mechanism is still *** further investigate the toxic mechanism of Cd and Mo co-exposure in the ovary,forty 8-day-old female ducks were randomly allocated into four groups for 16 weeks,and the doses of Cd and Mo in basic diet per kg were as follows:control group,Mo group(100 mg Mo),Cd group(4 mg Cd),and Mo+Cd group(100 mg Mo+4 mg Cd).Cadmium sulfate 8/3-hydrate(CdSO_(4)·8/3H_(2)O)and hexaammonium molybdate((NH_(4))_(6)Mo_(7)O_(24)·4H_(2)O)were the origins of Cd and Mo,*** the 16th week of the experiment,all ovary tissues were collected for the detection of related *** data indicated that Mo and/or Cd induced trace element disorders and Th1/Th2 balance to divert toward Th1 in the ovary,which activated endoplasmic reticulum(ER)stress and then provoked necroptosis through triggering RIPK1/RIPK3/MLKL signaling pathway,and eventually caused ovarian pathological injuries and necroptosis *** alterations of above indicators were most apparent in the joint *** all,this research illustrates that Mo and/or Cd exposure can initiate necroptosis through Th1/Th2 imbalance-modulated ER stress in duck ovaries,and Mo and Cd combined exposure aggravates ovarian *** research explores the molecular mechanism of necroptosis caused by Mo and/or Cd,which reveals that ER stress attenuation may be a therapeutic target to alleviate necroptosis.

关键词： Molybdenum Cadmium Th1/Th2 imbalance Endoplasmic reticulum stress Necroptosis Ovary

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Priority effects of forbs arriving early:the role of root interaction and asymmetric competition

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Ecological Processes 2024年第1期13卷 53-65页

作者： Xiaohong Yan Xiliang Li Ke Jin Institute of Grassland research Chinese Academy of Agricultural Sciences

Background The priority effect of plant arrival is a key driver of community assembly and ecosystem succession during the restoration of degraded plant communities. However, the significance of the arrival order of different plant functional groups and their interactions with community assemblies remains unclear. Using a phytotron experiment with three fully crossed factors, we investigated the underlying mechanisms of priority effects and their relationships with the biomass and biodiversity effects in mixed plant communities by manipulating the order of arrival of species, isolation of roots, and removal of specific *** The results showed that the strength and direction of priority effects were influenced by arrival order, root interactions, asymmetric competition among species, and their interactions. The identities of early and late-sown species also determined the magnitude of priority effects. The priority effects were stronger in grass-first(24.76%) and legume-first communities(24.48%) than in forb-first communities. The pot biomass of the different priority treatments was highest in grass-first(5.85 g), followed by legume-first(3.94 g) and forb-first(2.48 g). The order of arrival in the mixture significantly affected the net biodiversity effects(P unity had lower overall biomass when forbs were sown first, whereas the species grown later had fewer costs with an increased overall net benefit for the resulting *** Our results emphasize that root interactions and asymmetric competition are vital determinants of order-specific priority effects in community assemblies. In addition, the importance of the priority effect of forbs sown first is related to community assembly, which may be a key determinant in successfully establishing a highly diverse community in the early stages of restoration. Species with weak competition should be considered in the early stage of community ass

关键词： Community assembly Order of arrival Overyielding Plant functional group Root isolation

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The WRKY46–MYC2 module plays a critical role in E-2-hexenal-induced anti-herbivore responses by promoting flavonoid accumulation

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Plant Communications 2024年第2期5卷 228-242页

作者： Xin Hao Shuyao Wang Yu Fu Yahui Liu Hongyu Shen Libo Jiang Eric SMcLamore Yingbai Shen National Engineering research Center of Tree Breeding and Ecological Restoration College of Biological Sciences and TechnologyBeijing Forestry UniversityBeijing 100083China State Key Laboratory of animal Biotech Breeding College of Animal Science and TechnologyChina Agricultural UniversityBeijing 100193China University of Illinois at Urbana-Champaign ChampaignIL 61820USA Department of Agricultural sciences Clemson UniversityClemsonSC 29634USA

Volatile organic compounds(VOCs)play key roles in plant–plant communication,especially in response to pest attack.E-2-hexenal is an important component of VOCs,but it is unclear whether it can induce endog-enous plant resistance to ***,we show that E-2-hexenal activates early signaling events in Ara-bidopsis(Arabidopsis thaliana)mesophyll cells,including an H2O2 burst at the plasma membrane,the directedflow of calcium ions,and an increase in cytosolic calcium *** of wild-type Arabidopsis plants with E-2-hexenal increases their resistance when challenged with the diamond-back moth Plutella xylostella L.,and this phenomenon is largely lost in the wrky46 ***,E-2-hexenal induces the expression of WRKY46 and MYC2,and the physical interaction of their encoded proteins was verified by yeast two-hybrid,firefly luciferase complementation imaging,and in vitro pull-down *** WRKY46–MYC2 complex directly binds to the promoter of RBOHD to promote its expres-sion,as demonstrated by luciferase reporter,yeast one-hybrid,chromatin immunoprecipitation,and electrophoretic mobility shift *** module also positively regulates the expression of E-2-hexenal-induced naringenin biosynthesis genes(TT4 and CHIL)and the accumulation of totalflavonoids,thereby modulating plant tolerance to ***,our results highlight an important role for the WRKY46–MYC2 module in the E-2-hexenal-induced defense response of Arabidopsis,providing new in-sights into the mechanisms by which VOCs trigger plant defense responses.

关键词： E-2-hexenal early signaling events WRKY46–MYC2 RBOHD naringenin

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KIF5B-mediated internalization of FMDV promotes virus infection

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Virologica Sinica 2024年第3期39卷 378-389页

作者： Wei Zhang Fan Yang Yang Yang Weijun Cao Wenhua Shao Jiali Wang Mengyao Huang Zhitong Chen Xiaoyi Zhao Weiwei Li Zixiang Zhu Haixue Zheng State Key Laboratory for animal Disease Control and Prevention College of Veterinary MedicineLanzhou UniversityLanzhou Veterinary Research InstituteChinese Academy of Agricultural SciencesLanzhou 730000China Gansu Province research Center for Basic Disciplines of Pathogen Biology Lanzhou 730046China

Foot-and-mouth disease(FMD)is a highly contagious and economically important disease,which is caused by the FMD virus(FMDV).Although the cell receptor for FMDV has been identified,the specific mechanism of FMDV internalization after infection remains *** this study,we found that kinesin family member 5B(KIF5B)plays a vital role during FMDV ***,we confirmed the interaction between KIF5B and FMDV structural protein VP1 by co-immunoprecipitation(Co-IP)and co-localization in FMDV-infected *** particular,the stalk[amino acids(aa)413–678]domain of KIF5B was indispensable for KIF5B-VP1 ***,overexpression of KIF5B dramatically enhanced FMDV replication;consistently,knockdown or knockout of KIF5B suppressed FMDV ***,we also demonstrated that KIF5B promotes the internalization of FMDV via regulating clathrin ***5B also promotes the transmission of viral particles to early and late endosomes during the early stages of *** conclusion,our results demonstrate that KIF5B promotes the internalization of FMDV via regulating clathrin uncoating and intracellular *** study may provide a new therapeutic target for developing FMDV antiviral drugs.

关键词： FMDV VP1 protein KIF5B Endosome Clathrin

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Metabolomic reveals the inhibition mechanism of proline on hexanal production in chicken meat

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Food Science and Human Wellness 2024年

作者： Huanxian Cui Yuxi Jin Yanke Wang Xiaoya Yuan Li Liu Jie Wen Guiping Zhao State Key Laboratory of animal Nutrition， Institute of animal Science， Chinese Academy of Agricultural sciences

Hexanal contributes significantly to meat flavor. The aim of this study was to identify the metabolic pathways of hexanal formation in chicken meat. We found 32 metabolites associated with hexanal content in chicken meat， mainly including fatty acids (linoleic acid， etc.， positive correlation) and some amino acids (L-proline， etc.， negative correlation). A comparative analysis of the expression of these 32 metabolites between two groups of chickens with high- and low hexanal content revealed that L-proline and phenylacetaldehyde were downregulated， while ADP-ribose and 4-methylphenol were upregulated in the high-hexanal content chickens. It was also found that the increase of ADP-ribose induced the conversion of L-proline to other amino acids， such as arginine， through a process likely involving the pyrimidine metabolism pathway， leading to a reduction in proline content， which in turn abolished the inhibitory effect of proline on hexanal and enhanced the formation of hexanal. These findings confirm the effect of linoleic acid on hexanal content， and also reveal a negative regulatory effect of proline on the production of hexanal and its elimination mechanism in chicken meat.

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Biochar induced trade-offs and synergies between ecosystem services and crop productivity

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Journal of Integrative Agriculture 2024年第11期23卷 3882-3895页

作者： Jinxia Wang Qiu Huang Kai Peng Dayang Yang Guozhen Wei Yunfei Ren Yixuan Wang Xiukang Wang Nangia Vinay Shikun Sun Yanming Yang Fei Mo College of Agronomy Northwest A&F University Agricultural and animal husbandry Technology Extension Center College of Life sciences Yan'an University International Center for Agricultural research in the Dry Areas (ICARDA) College of Water Resources and Architectural Engineering Northwest A&F University College of Agronomy Inner Mongolia Agricultural University

Biochar amendment offers a chance for sustainable agriculture. However, the effectiveness of biochar relies on its physical and chemical properties, which are heavily affected by biochar production conditions and management practices. Therefore, substantial uncertainties regarding the use of biochar exist in agricultural systems *** study provides the first quantitative evaluation of the impacts of biochar characteristics and management practices on key ecosystem services by performing a second-order meta-analysis based on 34,628 paired observations in biochar-amended and unamended systems. Overall, biochar enhances phytotoxicity alleviation,physiology regulation, soil remediation and carbon sequestration, and microbial functional gene ***, some prominent trade-offs exist between crop productivity and ecosystem service deliveries including for nutrient cycling, microbial function, climate change mitigation, and the soil microbial community. The adoption of low C:N biochar produced at high pyrolysis temperatures from sewage sludge-derived feedstock, in combination with a moderate application rate and inorganic fertilizer input, shows potential for achieving synergistic promotion of crop productivity and ecosystem services. These outcomes highlight the need for judicious implementation of biochar-based solutions to site-specific soil constraints. The quantified synergy and tradeoff relationships will aid the establishment of a sustainable biochar development framework that strengthens necessary ecosystem services commensurate with food security assurance.

关键词： biochar soil remediation phytotoxicity alleviation carbon sequestration productivity

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Incorporating adaptive genomic variation into predictive models for invasion risk assessment

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Environmental Science and Ecotechnology 2024年第2期18卷 83-90页

作者： Yiyong Chen Yangchun Gao Xuena Huang Shiguo Li Zhixin Zhang Aibin Zhan research Center for Eco-Environmental sciences Chinese Academy of SciencesBeijing100085China Guangdong Key Laboratory of animal Conservation and Resource Utilization Guangdong Public Laboratory of Wild Animal Conservation and UtilizationInstitute of ZoologyGuangdong Academy of ScienceGuangzhou510260China University of Chinese Academy of sciences Chinese Academy of SciencesBeijing100049China CAS Key Laboratory of Tropical Marine Bio-resources and Ecology South China Sea Institute of OceanologyChinese Academy of SciencesGuangzhou510275China Global Ocean and Climate research Center South China Sea Institute of OceanologyChinese Academy of SciencesGuangzhou510275China

Global climate change is expected to accelerate biological invasions,necessitating accurate risk forecasting and management ***,current invasion risk assessments often overlook adaptive genomic variation,which plays a significant role in the persistence and expansion of invasive *** we used Molgula manhattensis,a highly invasive ascidian,as a model to assess its invasion risks along Chinese coasts under climate *** population genomics analyses,we identified two genetic clusters,the north and south clusters,based on geographic *** predict invasion risks,we employed the gradient forest and species distribution models to calculate genomic offset and species habitat suitability,*** approaches yielded distinct predictions:the gradient forest model suggested a greater genomic offset to future climatic conditions for the north cluster(i.e.,lower invasion risks),while the species distribution model indicated higher future habitat suitability for the same cluster(i.e,higher invasion risks).By integrating these models,we found that the south cluster exhibited minor genome-niche disruptions in the future,indicating higher invasion *** study highlights the complementary roles of genomic offset and habitat suitability in assessing invasion risks under climate ***,incorporating adaptive genomic variation into predictive models can significantly enhance future invasion risk predictions and enable effective management strategies for biological invasions in the future.

关键词： Invasion risk Climate change Adaptive genomic variation Genomic offset Habitat suitability

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Transcriptome analysis of adipose tissue and muscle of Laiwu and Duroc pigs

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animal Nutrition 2024年第2期17卷 134-143页

作者： Jie Wu Fangyuan Yu Zhaoyang Di Liwen Bian Jie Yang Lina Wang Qingyan Jiang Yulong Yin Lin Zhang National Engineering research Center for Breeding Swine Industry State Key Laboratory of Swine and Poultry Breeding IndustryGuangdong Laboratory of Lingnan Modern AgricultureGuangdong Provincial Key Laboratory of Animal Nutrition ControlCollege of Animal ScienceSouth China Agricultural University Key Laboratory of Agro-Ecological Processes in Subtropical Region Laboratory of Animal Nutritional Physiology and Metabolic ProcessInstitute of Subtropical AgricultureChinese Academy of Sciences

Fat content is an important trait in pig production. Adipose tissue and muscle are important sites for fat deposition and affect production efficiency and quality. To regulate the fat content in these tissues, we need to understand the mechanisms behind fat deposition. Laiwu pigs, a Chinese indigenous breed, have significantly higher fat content in both adipose tissue and muscle than commercial breeds such as *** this study, we analyzed the transcriptomes in adipose tissue and muscle of 21-d-old Laiwu and Duroc piglets. Results showed that there were 828 and 671 differentially expressed genes(DEG) in subcutaneous adipose tissue(SAT) and visceral adipose tissue(VAT), respectively. Functional enrichment analysis showed that these DEG were enriched in metabolic pathways, especially carbohydrate and lipid metabolism. Additionally, in the longissimus muscle(LM) and psoas muscle(PM), 312 and 335 DEG were identified, demonstrating enrichment in the cell cycle and metabolic pathways. The protein-protein interaction(PPI) networks of these DEG were analyzed and potential hub genes were identified, such as FBP1 and SCD in adipose tissues and RRM2 and GADL1 in muscles. Meanwhile, results showed that there were common DEG between adipose tissue and muscle, such as LDHB, THRSP, and DGAT2. These findings showed that there are significant differences in the transcriptomes of the adipose tissue and muscle between Laiwu and Duroc piglets(P < 0.05), especially in metabolic patterns. This insight serves to advance our comprehensive understanding of metabolic regulation in these tissues and provide targets for fat content regulation.

关键词： Laiwu Duroc Adipose Muscle Transcriptome Carbohydrate and lipid metabolism

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