Androgen and oestrogen receptors in the growing antlers velvet of adult and yearling pampas deer (Ozotoceros bezoarticus) males

To determine the presence, quantity and distribution of androgen (AR) and oestrogen receptors (ER) in the antler velvet (AV), samples were collected from adult and yearling pampas deer males, as well as skin from the ventrolateral abdominal area (ASK). Samples were analysed with ligand‐binding assay...

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Bibliographic Details
Published in:Anatomia, histologia, embryologia histologia, embryologia, 2021-11, Vol.50 (6), p.947-955
Main Authors: Bielli, Alejandro, Freitas‐de‐Melo, Aline, Genovese, Patricia, Villagrán, Matías, Tasende, Celia, Ungerfeld, Rodolfo
Format: Article
Language:English
Subjects:
Adults
Androgens
Antlers
cervid
endocrine regulation
Epidermis
Epithelium
Immunohistochemistry
Males
Ozotoceros bezoarticus
Sebaceous gland
sex steroids
Skin
stags
steroid activity
Stroma
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Summary:To determine the presence, quantity and distribution of androgen (AR) and oestrogen receptors (ER) in the antler velvet (AV), samples were collected from adult and yearling pampas deer males, as well as skin from the ventrolateral abdominal area (ASK). Samples were analysed with ligand‐binding assays for AR and ER activity and processed for AR and ERβ immunohistochemistry. There was more content of AR in adults than in yearling males (p = 0.02), as well as a category and type of tissue interaction (p = 0.03). There was more ER content in adults than in yearling males (p = 0.005) and in the AV than in the skin (p = 0.0001). The AR‐positive score (PS) was greater in AV than in ASK in the surface stroma (p = 0.0007). In the intermediate epidermis, the AR PS was greater in adults than in yearling males (p = 0.04) and in the ASK than in the AV (p 
ISSN:0340-2096
1439-0264
DOI:10.1111/ahe.12738