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Hormonal control of metabolic rate can be important in regulating the imbalance between energy intake and expenditure that underlies the development of obesity. In mice fed a high-fat diet, human fibroblast growth factor 19 (FGF19) increased metabolic rate [1.53 +/- 0.06 liters O(2)/h.kg(0.75) (vehicle) vs. 1.93 +/- 0.05 liters O(2)/h.kg(0.75) (FGF19); P <(More)
Besides stimulating GH release, some GH secretagogues also release ACTH and adrenal steroids. Several novel classes of potent GH secretagogues have recently been described, and we have now tested their ability to release corticosterone in conscious normal rats. All analogs that released GH also stimulated corticosterone release to some degree, though the(More)
The fibroblast growth factors (FGFs), and the corresponding receptors, are implicated in more than just the regulation of epithelial cell proliferation and differentiation. Specifically, FGF23 is a regulator of serum inorganic phosphate levels, and mice deficient in FGF receptor-4 have altered cholesterol metabolism. The recently described FGF19 is unusual(More)
nerves it moves predominantly in a distal direction if the endoneurial spaces are patent. (1951). A rapid method for clinical total blood volume determination using radioactive iodinated human serum albumin (RIHSA). The blood flow through the human calf during rhythmic exercise. The spread of a neurotropic strain of herpes virus in the cerebrospinal axis of(More)
We have studied the effects of desmethylimipramine (DMI), a tricyclic antidepressant, on thyroid hormone (TH) handling in rat brain in an effort to discover a pharmacological basis for reported interactions between TH, affective disorders and psychotropic drugs. An acute dose of DMI has been used in order to determine the primary effects of the drug in(More)
The tricyclic antidepressant, desmethylimipramine (DMI), a highly selective inhibitor of presynaptic uptake of norepinephrine (NE), has also been shown to reduce [125I]3,3',5-triiodothyronine (T3) uptake in rat brain synaptosomes. Using DMI as a probe to examine 1) possible noradrenergic influences on thyroid hormone (TH) actions in brain and 2)(More)
Several lines of evidence point to an interaction between amine uptake inhibitors (tricyclic antidepressants) and thyroid hormones. To examine this issue under conditions which would minimize secondary effects of drug treatment, desmethylimipramine (DMI), a highly specific norepinephrine uptake inhibitor, was given acutely as a single i.p. dose one hour(More)
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