Culture of prostate epithelial cells of the rhesus monkey on extracellular matrix substrate

Influence of steroids and insulin-like growth factors

Thirupandiyur Udayakumar, D. A. Jeyaraj, M. Rajalakshmi, R. S. Sharma

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Rhesus monkey prostate epithelial cells from the cranial lobe were isolated and cultured in flasks coated either with collagen IV or laminin. The effects of stromal cell medium, androgens and growth factors on cell number, thymidine incorporation and secretory activity were assessed. The results indicate that dihydrotestosterone (DHT) and androstenedione have stimulatory influences on cell proliferation and secretion in coated flasks. DHT was more effective in increasing cell number but the induction of secretory activity was similar with both steroids. The combination of IGF-I and -II resulted in inducing better cell proliferation and secretory activity than the individual IGFs but, of the two IGFs, IGF-I was more effective than IGF-II. DHT with IGFs was more potent in inducing proliferation, differentiation and secretion than androstenedione. Even in the absence of steroids or growth factors, colony formation and confluence occurred in coated flasks but cell differentiation and secretion only to a limited extent. In conclusion, we were able to establish an in vitro primary culture of prostate epithelial cells from rhesus monkey using extracellular matrix proteins, steroids and growth factors as additional supplements. This culture system may be useful to study prostate cell physiology and to identify drugs that can inhibit cell proliferation.

Original languageEnglish (US)
Pages (from-to)443-450
Number of pages8
JournalJournal of Endocrinology
Volume162
Issue number3
DOIs
StatePublished - 1999
Externally publishedYes

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Dihydrotestosterone
Somatomedins
Macaca mulatta
Extracellular Matrix
Prostate
Intercellular Signaling Peptides and Proteins
Insulin-Like Growth Factor II
Androstenedione
Epithelial Cells
Steroids
Cell Proliferation
Insulin-Like Growth Factor I
Cell Count
Cell Physiological Phenomena
Extracellular Matrix Proteins
Laminin
Stromal Cells
Thymidine
Androgens
Cell Differentiation

ASJC Scopus subject areas

  • Endocrinology

Cite this

Culture of prostate epithelial cells of the rhesus monkey on extracellular matrix substrate : Influence of steroids and insulin-like growth factors. / Udayakumar, Thirupandiyur; Jeyaraj, D. A.; Rajalakshmi, M.; Sharma, R. S.

In: Journal of Endocrinology, Vol. 162, No. 3, 1999, p. 443-450.

Research output: Contribution to journalArticle

Udayakumar, Thirupandiyur ; Jeyaraj, D. A. ; Rajalakshmi, M. ; Sharma, R. S. / Culture of prostate epithelial cells of the rhesus monkey on extracellular matrix substrate : Influence of steroids and insulin-like growth factors. In: Journal of Endocrinology. 1999 ; Vol. 162, No. 3. pp. 443-450.
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