Ion transporters for fluid reabsorption in the rooster ( Gallus domesticus) epididymal region

Testicular fluid is highly condensed during its passage through the epididymal region in the avian species. In the present study, major ion transporters that are responsible for condensation mainly by water resorption in the reproductive tract as identified in the mammalian epididymis were localized...

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Bibliographic Details
Published in:Animal reproduction science 2006-10, Vol.95 (3), p.331-337
Main Authors: Bahr, J.M., Dalponte, M., Janssen, S., Bunick, D., Nakai, M.
Format: Article
Language:English
Subjects:
Absorption
Animals
Body Fluids - physiology
Carbonic anhydrase II
Carbonic Anhydrase II - analysis
Chickens
Epididymis
Epididymis - chemistry
Epididymis - physiology
Epithelial Cells - chemistry
Immunohistochemistry
Ion Pumps - analysis
Ion Pumps - physiology
Male
Rooster
Sodium hydrogen exchanger isoform 3
Sodium-Hydrogen Exchanger 3
Sodium-Hydrogen Exchangers - analysis
Sodium-Potassium-Exchanging ATPase - analysis
Sodium–potassium ATPase
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Summary:Testicular fluid is highly condensed during its passage through the epididymal region in the avian species. In the present study, major ion transporters that are responsible for condensation mainly by water resorption in the reproductive tract as identified in the mammalian epididymis were localized within the rooster ( Gallus domesticus) epididymis by immunohistochemistry. The results show that the efferent ductule epithelium expressed sodium–potassium ATPase (Na +,K +-ATPase), carbonic anhydrase II (CAII) and sodium hydrogen exchanger isoform 3 (NHE3) and that the connecting ductule and epididymal duct epithelia expressed Na +,K +-ATPase and CAII. These data suggest that a model proposed for reabsorption in mammalian efferent ductules can be applied to avian efferent ductules.
ISSN:0378-4320
1873-2232
DOI:10.1016/j.anireprosci.2006.01.016