Essential roles of androgen signaling in Wolffian duct stabilization and epididymal cell differentiation

Aki Murashima, Shinichi Miyagawa, Yukiko Ogino, Hisayo Nishida-Fukuda, Kimi Araki, Takahiro Matsumoto, Takehito Kaneko, Kazuya Yoshinaga, Ken Ichi Yamamura, Takeshi Kurita, Shigeaki Kato, Anne M. Moon, Gen Yamada

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

The epididymis is a male accessory organ and functions for sperm maturation and storage under the control of androgen. The development of the epididymis is also androgen dependent. The Wolffian duct (WD), anlagen of the epididymis, is formed in both male and female embryos; however, it is stabilized only in male embryos by testicular androgen. Androgen drives subsequent differentiation of the WD into the epididymis. Although the essential roles of androgen in WD masculinization and epididymal function have been established, little is known about cellular events regulated precisely by androgen signaling during these processes. It is also unclear whether androgen signaling, especially in the epithelia, has further function for epididymal epithelial cell differentiation. In this study we examined the cellular death and proliferation controlled by androgen signaling via the androgen receptor (AR) in WD stabilization. Analyses using AR knockout mice revealed that androgen signaling inhibits epithelial cell death in this process. Analysis of AP2α-Cre;ARflox/Y mice, in which AR function is deleted in the WD epithelium, revealed that epithelial AR is not required for the WD stabilization but is required for epithelial cell differentiation in the epididymis. Specifically, loss of epithelial AR significantly reduced expression of p63 that is essential for differentiation of basal cells in the epididymal epithelium. We also interrogated the possibility of regulation of the p63 gene (Trp63) by AR in vitro and found that p63 is a likely direct target of AR regulation.

Original languageEnglish
Pages (from-to)1640-1651
Number of pages12
JournalEndocrinology
Volume152
Issue number4
DOIs
Publication statusPublished - Apr 1 2011
Externally publishedYes

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Wolffian Ducts
Androgens
Cell Differentiation
Androgen Receptors
Epididymis
Epithelium
Epithelial Cells
Embryonic Structures
Sperm Maturation
Knockout Mice
Cell Death
Cell Proliferation

All Science Journal Classification (ASJC) codes

  • Endocrinology

Cite this

Murashima, A., Miyagawa, S., Ogino, Y., Nishida-Fukuda, H., Araki, K., Matsumoto, T., ... Yamada, G. (2011). Essential roles of androgen signaling in Wolffian duct stabilization and epididymal cell differentiation. Endocrinology, 152(4), 1640-1651. https://doi.org/10.1210/en.2010-1121

Essential roles of androgen signaling in Wolffian duct stabilization and epididymal cell differentiation. / Murashima, Aki; Miyagawa, Shinichi; Ogino, Yukiko; Nishida-Fukuda, Hisayo; Araki, Kimi; Matsumoto, Takahiro; Kaneko, Takehito; Yoshinaga, Kazuya; Yamamura, Ken Ichi; Kurita, Takeshi; Kato, Shigeaki; Moon, Anne M.; Yamada, Gen.

In: Endocrinology, Vol. 152, No. 4, 01.04.2011, p. 1640-1651.

Research output: Contribution to journalArticle

Murashima, A, Miyagawa, S, Ogino, Y, Nishida-Fukuda, H, Araki, K, Matsumoto, T, Kaneko, T, Yoshinaga, K, Yamamura, KI, Kurita, T, Kato, S, Moon, AM & Yamada, G 2011, 'Essential roles of androgen signaling in Wolffian duct stabilization and epididymal cell differentiation', Endocrinology, vol. 152, no. 4, pp. 1640-1651. https://doi.org/10.1210/en.2010-1121
Murashima, Aki ; Miyagawa, Shinichi ; Ogino, Yukiko ; Nishida-Fukuda, Hisayo ; Araki, Kimi ; Matsumoto, Takahiro ; Kaneko, Takehito ; Yoshinaga, Kazuya ; Yamamura, Ken Ichi ; Kurita, Takeshi ; Kato, Shigeaki ; Moon, Anne M. ; Yamada, Gen. / Essential roles of androgen signaling in Wolffian duct stabilization and epididymal cell differentiation. In: Endocrinology. 2011 ; Vol. 152, No. 4. pp. 1640-1651.
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