Immunohistochemical localization of beta-endorphin in equine testes
Immunohistochemical localization of the neuropeptide beta-endorphin was carried out in equine testes, obtained from animals of different ages, using a polyclonal antibody against beta-endorphin. Testicular beta-endorphin was mainly revealed in the Leydig cells; the number and immunostaining intensit...
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Published in | Atti della Societa Italiana delle Scienze Veterinarie (Italy) Vol. 51 |
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Main Authors | , , , |
Format | Conference Proceeding |
Language | Italian |
Published |
1997
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Subjects | |
Online Access | Get more information |
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Summary: | Immunohistochemical localization of the neuropeptide beta-endorphin was carried out in equine testes, obtained from animals of different ages, using a polyclonal antibody against beta-endorphin. Testicular beta-endorphin was mainly revealed in the Leydig cells; the number and immunostaining intensity of interstitial cells progressively increased with age. No immunostaining was observed in the Sertoli or germ cells. These results are consistent with the large amounts of immunostainable oestradiol-17beta in the equine Leydig cells. They also prove that beta-endorphins and oestrogen concur in regulating testicular functions
[E' stata effettuata la localizzazione immunoistochimica del neuropeptide beta-endorfina in testicoli di cavalli, prelevati da animali di eta' diversa, utilizzando un anticorpo policlonale specifico per beta-endorfina. La beta-endorfina testicolare e' stata evidenziata principalmente nelle cellule di Leydig; il numero e l'intensita' di colorazione immunoistochimica delle cellule interstiziali aumenta progressivamente con l'eta'. Non e' stata osservata colorazione immunoistochimica nelle cellule di Sertoli e nelle cellule germinali. Questi risultati sono in accordo con la presenza di grandi quantita' di 17-beta-estradiolo nelle cellule di Leydig del cavallo. Essi confermano pure che le beta-endorfine e gli estrogeni concorrono nella regolazione delle funzioni testicolari] |
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Bibliography: | U30 L50 1998062343 L40 |