Differential expression of aromatase, estrogen receptor alpha and 17β-HSD associated with the processes of total testicular regression and recrudescence in the bat Myotis nigricans (Chiroptera: Vespertilionidae)

Differential expression of aromatase, estrogen receptor alpha and 17β-HSD associated with the processes of total testicular regression and recrudescence in the bat Myotis nigricans (Chiroptera: Vespertilionidae)

Highlights • M. nigricans express ERα in spermatogonia, elongated spermatids and Sertoli cells. • M. nigricans express aromatase in spermatids and in Sertoli and Leydig cells. • The total testicular regression process is regulated by testosterone and estrogen. • Regulation occurs via production of T...

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Veröffentlicht in:General and comparative endocrinology 2014-05, Vol.201, p.53-64
Hauptverfasser: Beguelini, Mateus R, Falleiros, Luiz R, Góes, Rejane M, Rahal, Paula, Morielle-Versute, Eliana, Taboga, Sebastião R
Format: Artikel
Sprache:eng
Schlagworte:
17-Hydroxysteroid Dehydrogenases - metabolism
Animals
Aromatase - metabolism
Chiroptera - metabolism
Endocrinology & Metabolism
Estrogen
Estrogen Receptor alpha - metabolism
Estrogens - metabolism
Hormones
Immunoenzyme Techniques
Leydig Cells - metabolism
Male
Regulation
Reproduction
Seasonality
Sertoli Cells - metabolism
Sexual Maturation
Spermatids - metabolism
Spermatogenesis
Testis - physiology
Testosterone - metabolism
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Zusammenfassung:Highlights • M. nigricans express ERα in spermatogonia, elongated spermatids and Sertoli cells. • M. nigricans express aromatase in spermatids and in Sertoli and Leydig cells. • The total testicular regression process is regulated by testosterone and estrogen. • Regulation occurs via production of T (17β-HSD), conversion into E2 (aromatase) and activation of AR and ERα.
ISSN:0016-6480
1095-6840
DOI:10.1016/j.ygcen.2014.03.044