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The comparative efficacy and safety profiles of selected daily 1000 IU, weekly 7000 IU and monthly 30,000 IU vitamin D3—not previously investigated—will be evaluated. Here, a prospective, randomized clinical trial, comparing efficacy and safety of a daily single dose of 1000 IU (group A) to a once-weekly 7000 IU dose (group B), or monthly 30,000 IU dose (group C) of vitamin D3. The present study is...
This review summarizes the data obtained with the aid of the recently introduced dual viral tracing technique, which uses isogenic recombinants of pseudorabies virus that express unique reporter gene. This approach made possible to explore simultaneously neural circuits of two organs. The results of these studies indicate: (1) there are neurons innervating exclusively a given organ; (2) left-sided...
Pituitary adenylate cyclase-activating polypeptide (PACAP) and vasoactive intestinal polypeptide (VIP) immunoreactive cells were demonstrated in the hypothalamic magnocellular nuclei in cats and rats. In cats these immunoreactive cells were stained without any treatment or intervention; however, in rats we had to use the pituitary stalk section to enhance the amount of PACAP and VIP for successful...
It has been demonstrated that the regulatory pathways mediating basal and/or stimulus-induced prolactin (PRL) release in mammals are highly sensitive to adrenal corticoid inhibitory influence. We have investigated the effect of four different doses of dexamethasone (DEX) and the effect of adrenocorticotropin on PRL secretion in 197 patients (169 female, 28 male; age: 18–66 yr) with suspected hypercortisolemia—but...
The exact contribution of corticosteroids to the control of prolactin secretion in lactating rats is poorly understood. Therefore, the present studies were focused on the effect of adrenalectomy and dexamethasone treatment on the suckling-induced prolactin release. Animals were adrenalectomized on the 3rd day of lactation and tested on the 7th day of lactation. In adrenalectomized animals, the suckling...
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