Reference Gene Selection for Gene Expression Analysis of Oocytes Collected from Dairy Cattle and Buffaloes during Winter and Summer

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorMacabelli, Carolina Habermann-
Autor(es): dc.creatorFerreira, Roberta Machado-
Autor(es): dc.creatorGimenes, Lindsay Unno-
Autor(es): dc.creatorTonizza de Carvalho, Nelcio Antonio-
Autor(es): dc.creatorSoares, Julia Gleyci-
Autor(es): dc.creatorAyres, Henderson-
Autor(es): dc.creatorFerraz, Marcio Leao-
Autor(es): dc.creatorWatanabe, Yeda Fumie-
Autor(es): dc.creatorWatanabe, Osnir Yoshime-
Autor(es): dc.creatorSangalli, Juliano Rodrigues-
Autor(es): dc.creatorSmith, Lawrence Charles-
Autor(es): dc.creatorBaruselli, Pietro Sampaio-
Autor(es): dc.creatorMeirelles, Flavio Vieira-
Autor(es): dc.creatorChiaratti, Marcos Roberto-
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Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionProcesso FAPESP: 09/00938-3-
Descrição: dc.descriptionProcesso FAPESP: 10/13384-3-
Descrição: dc.descriptionProcesso FAPESP: 10/09561-7-
Descrição: dc.descriptionProcesso FAPESP: 11/14207-0-
Descrição: dc.descriptionProcesso FAPESP: 12/07510-1-
Descrição: dc.descriptionCNPq: 476229/2011-1-
Descrição: dc.descriptionOocytes from dairy cattle and buffaloes have severely compromised developmental competence during summer. While analysis of gene expression is a powerful technique for understanding the factors affecting developmental hindrance in oocytes, analysis by real-time reverse transcription PCR (RT-PCR) relies on the correct normalization by reference genes showing stable expression. Furthermore, several studies have found that genes commonly used as reference standards do not behave as expected depending on cell type and experimental design. Hence, it is recommended to evaluate expression stability of candidate reference genes for a specific experimental condition before employing them as internal controls. In acknowledgment of the importance of seasonal effects on oocyte gene expression, the aim of this study was to evaluate the stability of expression levels of ten well-known reference genes (ACTB, GAPDH, GUSB, HIST1H2AG, HPRT1, PPIA, RPL15, SDHA, TBP and YWHAZ) using oocytes collected from different categories of dairy cattle and buffaloes during winter and summer. A normalization factor was provided for cattle (RPL15, PPIA and GUSB) and buffaloes (YWHAZ, GUSB and GAPDH) based on the expression of the three most stable reference genes in each species. Normalization of non-reference target genes by these reference genes was shown to be considerably different from normalization by less stable reference genes, further highlighting the need for careful selection of internal controls. Therefore, due to the high variability of reference genes among experimental groups, we conclude that data normalized by internal controls can be misleading and should be compared to not normalized data or to data normalized by an external control in order to better interpret the biological relevance of gene expression analysis.-
Formato: dc.format13-
Idioma: dc.languageen-
Publicador: dc.publisherPublic Library Science-
Relação: dc.relationPLOS ONE-
Relação: dc.relation2.766-
Relação: dc.relation1,164-
Direitos: dc.rightsopenAccess-
Título: dc.titleReference Gene Selection for Gene Expression Analysis of Oocytes Collected from Dairy Cattle and Buffaloes during Winter and Summer-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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