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Effects of intrauterine and pubertal testosterone cipyonate exposure on the male and female senile gerbil's prostate

Grant number: 09/16789-7
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): June 01, 2010
Effective date (End): February 28, 2014
Field of knowledge:Biological Sciences - Morphology - Cytology and Cell Biology
Principal Investigator:Sebastião Roberto Taboga
Grantee:Manoel Francisco Biancardi
Host Institution: Instituto de Biociências, Letras e Ciências Exatas (IBILCE). Universidade Estadual Paulista (UNESP). Campus de São José do Rio Preto. São José do Rio Preto , SP, Brazil


The prostate is not a gland found exclusively in male mammals, being found in female of some rodents and also in woman. Its development occurs influenced by an androgenic control finely and precisely regulated so that sensible interferences can predispose this gland to develop benign prostatic hyperplasia and prostate cancer during aging life. Researches have showed that the AR dependent gene expression program during prostatic organogenesis is very similar to that installed during prostate cancer. Moreover, a growing number of studies have showed that the predisposition to prostatic disorders has its origin during moments of early life. These aspects are of interest and precaution, taking account that have been growing the number of endocrine-disrupting chemicals (EDCs) to that the human being are exposed. EDCs have the potential to compete with androgen receptor (AR) present in prostatic tissue, having the capability to activate cascade of events that take to expression of specific genes and even causing epigenetic alterations on DNA. These interferences, more dangerous during critically periods of development, can take to the imprint of prostatic cells in an irreversible manner. Therefore, understand which are the mechanisms that can predispose this gland to develop lesion during the life is of extremely relevance, allowing new discoveries and treatments for prostatic diseases. Therefore, the aim of this work is to analyze the prostate of senile Mongolian gerbil male and female exposed to testosterone during intrauterine and pubertal phase. To this, the prostate of these animals will be submitted to the morphometric, stereological, serologic, immunohistochemistry and ultrastructural analyses. With the results, possible mechanisms involving androgenic imprint could be elucidate, contributing to the understanding of the relation between these mechanisms and the appearance of prostatic lesions during senescence.

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BIANCARDI, MANOEL F.; PEREZ, ANA P. S.; SUZUKI CAIRES, CASSIA REGINA; GOES, REJANE M.; VILAMAIOR, PATRICIA S. L.; SANTOS, FERNANDA C. A.; TABOGA, SEBASTIAO R.. Prenatal exposure to testosterone masculinises the female gerbil and promotes the development of lesions in the prostate (Skene's gland). REPRODUCTION FERTILITY AND DEVELOPMENT, v. 27, n. 7, p. 1000-1011, . (09/53990-2, 09/16789-7)
BIANCARDI, MANOEL F.; DOS SANTOS, FERNANDA C. A.; DE CARVALHO, HERNANDES F.; SANCHES, BRUNO D. A.; TABOGA, SEBASTIAO R.. Female prostate: historical, developmental, and morphological perspectives. Cell Biology International, v. 41, n. 11, SI, p. 1174-1183, . (15/03599-6, 09/16789-7, 09/53990-2)
BIANCARDI, MANOEL F.; PEREZ, ANA P. S.; CAIRES, CASSIA R. S.; FALLEIROS, JR., LUIZ R.; GOES, REJANE M.; VILAMAIOR, PATRICIA S. L.; FREITAS, JR., DIOGENES R.; SANTOS, FERNANDA C. A.; TABOGA, SEBASTIAO R.. Prenatal and pubertal testosterone exposure imprint permanent modifications in the prostate that predispose to the development of lesions in old Mongolian gerbils. ASIAN JOURNAL OF ANDROLOGY, v. 19, n. 2, p. 160-167, . (09/53990-2, 09/16789-7)
DOS SANTOS, FERNANDA C. A.; NEGRE, ANA F. P.; RODRIGUEZ, DANIEL A. O.; DE SOUSA, GESSICA C.; RODRIGUES, GIOVANNA A.; SANCHES, BRUNO D. A.; CARVALHO, HERNANDES F.; TABOGA, SEBASTIAO R.; BIANCARDI, MANOEL F.. emale Prostate Development: Morphological Analysis of the Budding Dynami. Microscopy and Microanalysis, v. 28, n. 1, p. 272-280, . (09/53990-2, 11/06335-9, 11/20358-1, 09/16789-7)
AZEVEDO SANCHES, BRUNO DOMINGOS; BIANCARDI, MANOEL FRANCISCO; ALCANTARA DOS SANTOS, FERNANDA CRISTINA; GOES, REJANE MAIRA; LEITE VILAMAIOR, PATRICIA SIMONE; TABOGA, SEBASTIAO ROBERTO. Budding Process During the Organogenesis of the Ventral Prostatic Lobe in Mongolian Gerbil. MICROSCOPY RESEARCH AND TECHNIQUE, v. 77, n. 6, p. 458-466, . (09/53990-2, 09/16789-7, 11/20358-1, 11/06335-9)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
BIANCARDI, Manoel Francisco. Study of normal prostate organogenesis and the effects of intrauterine and pubertal androgenic exposure on the morphophysiology of old gerbil prostate. 2014. Doctoral Thesis - Universidade Estadual de Campinas (UNICAMP). Instituto de Biologia Campinas, SP.

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