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Leptin prevents fasting-induced suppression of prothyrotropin-releasing hormone messenger ribonucleic acid in neurons of the hypothalamic paraventricular nucleus.
Prolonged fasting is associated with a number of changes in the thyroid axis manifested by low serum T3 and T4 levels and, paradoxically, low or normal TSH. This response is, at least partly, caused… Expand
Regional distribution of type 2 thyroxine deiodinase messenger ribonucleic acid in rat hypothalamus and pituitary and its regulation by thyroid hormone.
To identify the specific locations of type 2 deiodinase (D2) messenger RNA (mRNA) in the hypothalamus and pituitary gland and determine its regulation by thyroid hormone, we performed in situ… Expand
α-Melanocyte-Stimulating Hormone Is Contained in Nerve Terminals Innervating Thyrotropin-Releasing Hormone-Synthesizing Neurons in the Hypothalamic Paraventricular Nucleus and Prevents…
- C. Fekete, G. Légrádi, +5 authors R. Lechan
- Biology, Medicine
- The Journal of Neuroscience
- 15 February 2000
The hypothalamic arcuate nucleus has an essential role in mediating the homeostatic responses of the thyroid axis to fasting by altering the sensitivity of prothyrotropin-releasing hormone (pro-TRH)… Expand
Localization and gene expression of the receptor for pituitary adenylate cyclase-activating polypeptide in the rat brain
Pituitary adenylate cyclase-activating polypeptide (PACAP) is a recently identified member of the secretin/vasoactive intestinal polypeptide (VIP) family. There are at least two types of receptor for… Expand
Glucagon like peptide-1 (7-36) amide (GLP-1) nerve terminals densely innervate corticotropin-releasing hormone neurons in the hypothalamic paraventricular nucleus
Glucagon like peptide-1 (7-36) amide (GLP-1), a potent regulator of glucose homeostasis, is also produced in the central nervous system and has been implicated in the control of… Expand
Glucocorticoids inhibit stress-induced phosphorylation of CREB in corticotropin-releasing hormone neurons of the hypothalamic paraventricular nucleus.
The corticotropin-releasing hormone (CRH) gene contains a perfect palindromic motif in its promoter region that allows binding of the cyclic adenosine monophosphate response element binding protein,… Expand
Hypothalamic and brainstem sources of pituitary adenylate cyclase‐activating polypeptide nerve fibers innervating the hypothalamic paraventricular nucleus in the rat
- M. Das, Christopher S Vihlen, G. Légrádi
- Biology, Medicine
- The Journal of comparative neurology
- 1 February 2007
The hypothalamic paraventricular nucleus (PVN) coordinates major neuroendocrine and behavioral mechanisms, particularly responses to homeostatic challenges. Parvocellular and magnocellular PVN… Expand
Pituitary adenylate cyclase-activating polypeptide (PACAP) mimics neuroendocrine and behavioral manifestations of stress: Evidence for PKA-mediated expression of the corticotropin-releasing hormone…
- A. Agarwal, L. Halvorson, G. Légrádi
- Biology, Medicine
- Brain research. Molecular brain research
- 29 July 2005
The physiologic response to stress is highly dependent on the activation of corticotropin-releasing hormone (CRH) neurons by various neurotransmitters. A particularly rich innervation of… Expand
Behavioral effects of local microinfusion of pituitary adenylate cyclase activating polypeptide (PACAP) into the paraventricular nucleus of the hypothalamus (PVN)
Pituitary adenylate cyclase activating polypeptide (PACAP) has been implicated in the regulation of several autonomic and neuroendocrine functions. In the hypothalamic paraventricular nucleus (PVN),… Expand
Agouti-related protein containing nerve terminals innervate thyrotropin-releasing hormone neurons in the hypothalamic paraventricular nucleus.
Gene expression for agouti-related protein (AGRP), an endogenous antagonist of melanocortin receptors, has been localized to the hypothalamic arcuate nucleus, where it colocalizes with neuropeptide Y… Expand