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The TP53 fertility network

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The TP53 fertility network

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Título The TP53 fertility network
Autor Paskulin, Diego D'Ávila
Paixão Côrtes, Vanessa Rodrigues
Hainaut, Pierre
Bortolini, Maria Cátira
Prolla, Patrícia Ashton
Abstract The TP53 gene, first described in 1979, was identified as a tumor suppressor gene in 1989, when it became clear that its product, the p53 nuclear phosphoprotein, was frequently inactivated in many different forms of cancers. Nicknamed “guardian of the genome”, TP53 occupies a central node in stress response networks. The p53 protein has a key role as transcription factor in limiting oncogenesis through several growth suppressive functions, such as initiating apoptosis, senescence, or cell cycle arrest. The p53 protein is directly inactivated in about 50% of all tumors as a result of somatic gene mutations or deletions, and over 80% of tumors demonstrate dysfunctional p53 signaling. Beyond the undeniable importance of p53 as a tumor suppressor, an increasing number of new functions for p53 have been reported, including its ability to regulate energy metabolism, to control autophagy, and to participate in various aspects of differentiation and development. Recently, studies on genetic variations in TP53 among different populations have led to the notion that the p53 protein might play an important role in regulating fertility. This review summarizes current knowledge on the basic functions of different genes of the TP53 family and TP53 pathway with respect to fertility. We also provide original analyses based on genomic and genotype databases, providing further insights into the possible roles of the TP53 pathway in human reproduction.
Contido em Genetics and molecular biology. Ribeirão Preto, SP. Vol. 35, n. 4 supl (Dec. 2012), p. 939-946
Assunto Fertilidade humana
Genes p53
[en] fertility
[en] p53 network
[en] TP53
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/87952
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