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Candidate genes for male and female reproductive traits in Canchim beef cattle

Journal of Animal Science and Biotechnology 2018年第1期9卷 59-68页

作者： Marcos Eli Buzanskas Daniela do Amaral Grossi Ricardo Vieira Ventura Flavio Schramm Schenkel Tatiane Cristina Seleguim Chud Nedenia Bonvino Stafuzza Luciana Diniz Rola Sarah Laguna Conceio Meirelles Fabiana Barichello Mokry Maurício de Alvarenga Mudadu Roberto Hiroshi Higa Marcos Vinícius Gualberto Barbosa da Silva Maurício Mello de Alencar Luciana Correia de Almeida Regitano Danísio Prado Munari Departamento de Zootecnia Universidade Federal da Paraíba(UFPB)AreiaParailba 58397-000Brazil Fast Genetics SaskatoonSK S7K 2K6Canada Beef Improvement Opportunities(BIO) GuelphON N1K 1ESCanada Department of Animal and Poultry Science University of GuelphCentre for Genetic Improvement of Livestock(CGIL)GuelphON N1G 2W1Canada Departamento de Ciencias Exatas Faculdade de Ci6ncias Agrarias e VeterinariasUniversidade Estadual Paulista(Unesp)JaboticabalSao Paulo 14884 900Brazil Departamento de Zootecnia Nucleo de Pesquisa e Conservacao de CervMeosFaculdade de Ciencias Agrarias e VeterinariasUniversidade Estadual Paulista(Unesp)JaboticabalSao Paulo 14884 900Brazil Department of Animal Science Federal University/of Lavras(UFLA)LavrasMinas Gerais 37200 000Brazil Department of Genetics and Evolution Federa University of Sao Carlos(UFSCar)Sao CarlosSao Paulo 13565-905Brazil Embrapa Agricultural Informatics Campinas55o Paulo 13083 886Brazil Embrapa Dairy Cattle Juiz de ForaMinas Gerais 36038 330Brazil Embrapa Southeast Livestock Sao CarlosSao Paulo 13560 970Brazil

Background： Beef cattle breeding programs in Brazil have placed greater emphasis on the genomic study of reproductive traits of males and females due to their economic importance. In this study, genome-wide associations were assessed for scrotal circumference at 210 d of age, scrotal circumference at 420 d of age, age at first calving, and age at second calving, in Canchim beef cattle. Data quality control was conducted resulting in 672,778 SNPs and 392 ***： Associated SNPs were observed for scrotal circumference at 420 d of age（435 SNPs）, followed by scrotal circumference at 210 d of age（12 SNPs）, age at first calving（six SNPs）, and age at second calving（four SNPs）. We investigated whether significant SNPs were within genic or surrounding regions. Biological processes of genes were associated with immune system, multicellular organismal process, response to stimulus, apoptotic process, cellular component organization or biogenesis, biological adhesion, and ***： Few associations were observed for scrotal circumference at 210 d of age, age at first calving, and age at second calving, reinforcing their polygenic inheritance and the complexity of understanding the genetic architecture of reproductive traits. Finding many associations for scrotal circumference at 420 d of age in various regions of the Canchim genome also reveals the difficulty of targeting specific candidate genes that could act on fertility; nonetheless,the high linkage disequilibrium between loci herein estimated could aid to overcome this issue. Therefore, al relevant information about genomic regions influencing reproductive traits may contribute to target candidate genes for further investigation of causal mutations and aid in future genomic studies in Canchim cattle to improve the breeding program.

关键词： Animal breeding Composite breed Genome-wide association Genomic data Single nucleotide polymorphism

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Purinergic Receptors in Basal Ganglia Diseases:Shared Molecular Mechanisms between Huntington’s and Parkinson’s Disease

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Neuroscience Bulletin 2020年第11期36卷 1299-1314页

作者： Talita Glaser Roberta Andrejew Agatha Oliveira-Giacomelli Deidiane Elisa Ribeiro Lucas Bonfim Marques Qing Ye Wen-Jing Ren Alexey Semyanov Peter Illes Yong Tang Henning Ulrich Department of Biochemistry Institute of ChemistryUniversity of Sao PauloAv.Prof.Lineu Prestes 74&Sao PauloSP 05508-000Brazil Key Laboratory of Sichuan Province for Acupuncture and Chronobiology Chengdu 610075China Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of SciencesMoscow 117997Russia Sechenov First Moscow State Medical University Moscow 119992Russia Rudolf-Boehm-Institut ftir Pharmakologie und Toxikologie Universitat LeipzigLeipzig 04107Germany International Collaborative Centre on Big Science Plan for Purine Signaling Chengdu University of Traditional Chinese MedicineChengdu 610075China

Huntington’s(HD)and Parkinson’s diseases(PD)are neurodegenerative disorders caused by the death of GABAergic and dopaminergic neurons in the basal ganglia leading to hyperkinetic and hypokinetic symptoms,*** review here the participation of purinergic receptors through intracellular Ca^2+signaling in these neurodegenerative *** adenosine A2A receptor stimulates striatopallidal GABAergic neurons,resulting in inhibitory actions on GABAergic neurons of the globus pallidus.A2A and dopamine D2 receptors form functional heteromeric complexes inducing allosteric inhibition,and A2A receptor activation results in motor ***,the A2A receptor physically and functionally interacts with glutamate receptors,mainly with the mGlu5 receptor *** interaction facilitates glutamate release,resulting in NMDA glutamate receptor activation and an increase of Ca2+influx.P2X7 receptor activation also promotes glutamate release and neuronal ***,modulation of purinergic receptor activity,such as A2A and P2X7 receptors,and subsequent aberrant Ca^2+signaling,might present interesting therapeutic potential for HD and PD.

关键词： Purinergic receptor Central nervous system Huntington’s disease Parkinson’s disease 6-hydroxydopamine

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