NDLI: Leptin Regulates Proliferation and Apoptosis in Human Prostate

Content Provider	PubMed Central
Author	Eduardo, Leze Alves Pereira, Jorge Luiz Colli, Sicilia Cavalcante, Fernanda Silveira Sampaio, Francisco José Ramos, Cristiane Da Fonte
Copyright Year	2012
Abstract	This paper aimed to evaluate the leptin role on the cellular proliferation and the expression of fibroblast growth factor 2, aromatase enzyme, and apoptotic genes in the human prostate tissue. Methods. Fifteen samples of hyperplasic prostate tissue were divided in four symmetric parts maintained in RPMI medium supplemented with 10% fetal bovine serum, 1 ng/mL of gentamicin, and added with 50 ng/mL leptin (L) or not (C). After 3 hours of incubation, gene expression was evaluated by real time RT-PCR. Cellular proliferation was evaluated by immunohistochemistry for PCNA. Results. The leptin treatment led to an increase cellular proliferation (C = 21.8 ± 0.5; L = 64.8 ± 0.9; P < 0.0001) and in the expression of Bax (C = 0.4 ± 0.1; L = 0.9 ± 0.2; P < 0.05) while Bcl-2 (C = 19.9 ± 5.6; L = 5.6 ± 1.8; P < 0.05), Bcl-x (C = 0.2 ± 0.06; L = 0.07 ± 0.02; P < 0.05), and aromatase expressions (C = 1.9 ± 0.6; L = 0.4 ± 0.1; P < 0.04) were significantly reduced. Conclusion. Leptin has an important role in maintaining the physiological growth of the prostate since it stimulates both cellular proliferation and apoptosis, with the decrement in the aromatase gene expression.
Related Links	http://dx.doi.org/10.1100/2012/842301
Starting Page	842301
File Format	PDF
ISSN	1537744X
e-ISSN	1537744X
Journal	The Scientific World Journal
Volume Number	2012
Language	English
Publisher	The Scientific World Journal
Publisher Date	2012-01-01
Access Restriction	Open
Rights Holder	The Scientific World Journal
Subject Keyword	Biochemistry, Genetics and Molecular Biology(all) Environmental Science(all) Medicine(all) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Medicine Biochemistry, Genetics and Molecular Biology Environmental Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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