Abstract：
:Research investigating sodium hunger in mice has failed to produce evidence that mineralocorticoids are involved in sodium appetite. In our own laboratory, doses of deoxycorticosterone acetate (DOCA) ranging from 1 mg/kg to 20 mg/kg have failed to induce a sodium appetite. In rats, glucocorticoids have been effective in potentiating mineralocorticoid-induced sodium appetite. Recent research has suggested that the mouse, like the rat, does possess mineralocorticoid sensitivity for sodium hunger but, unlike the rat, has a strong dependency on an accompanying glucocorticoid action. The present experiment was conducted to study the effects of DOCA on sodium appetite in mice under housing conditions that attempted to eliminate the reduction of corticosterone associated with social isolation. Therefore, male GHSC mice were group-housed and were tested within two counterbalanced treatment conditions. One condition consisted of an injection of 10 mg/kg DOCA on 2 consecutive days, and the other condition consisted of an injection of the vehicle on 2 consecutive days. Group-housed male GHSC mice showed a significantly larger amount of NaCl consumption after injections of DOCA than after injections of the vehicle.
journal_name
Physiol Behavjournal_title
Physiology & behaviorauthors
Rodd ZA,Henricks KK,McCutcheon NBdoi
10.1016/s0031-9384(96)00247-8subject
Has Abstractpub_date
1996-11-01 00:00:00pages
1387-9issue
5eissn
0031-9384issn
1873-507Xpii
S0031938496002478journal_volume
60pub_type
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