نتایج جستجو برای: mch
تعداد نتایج: 2462 فیلتر نتایج به سال:
Melanin-concentrating hormone (MCH) is a cyclic neuropeptide, with a major role in stimulation of feeding behavior in mammals. MCH signals in the brain occur via two seven-transmembrane G protein-coupled receptors, namely MCH1 (SLC-1, MCH(1), MCH-R1, or MCH-1R) and MCH2 (SLT, MCH(2), MCH-R2, or MCH-2R). In this study, we demonstrate that the pro-MCH(131-165) peptide neuropeptide-glutamic acid-i...
A new troglobitic spider species, Nesticus dimensis n. sp. (felmale male), inhabiting the Dim Cave of Alanya (Antalya Prov., Turkey) is diagnosed and described. The new species belongs to the Eastern Mediterranean Nesticus Group, which includes N. eremita and N. speluncarum as the most common and widespread species along with N. arenstorffi and N. henderickxi. Evolutionary relationships of the ...
The demand for meta-analyses in basic biomedical research has been increasing because the phenotyping of genetically modified mice does not always produce consistent results. Melanin-concentrating hormone (MCH) has been reported to be involved in a variety of behaviors that include feeding, body-weight regulation, anxiety, sleep, and reward behavior. However, the reported behavioral and metabol...
Melanin-concentrating hormone (MCH) is a 19-aa cyclic neuropeptide originally isolated from chum salmon pituitaries. Besides its effects on the aggregation of melanophores in fish several lines of evidence suggest that in mammals MCH functions as a regulator of energy homeostasis. Recently, several groups reported the identification of an orphan G protein-coupled receptor as a receptor for MCH ...
Melanin-concentrating hormone (MCH) is a hypothalamic neuropeptide that is important in the regulation of energy homeostasis. MCH signals via a seven-transmembrane G protein-coupled receptor, which is coupled to Galpha(i). This receptor was initially cloned in rat and human and designated SLC-1 because of its homology to the somatostatin receptor. In rat brain, it is expressed in a pattern that...
Melanin-concentrating hormone (MCH)-expressing neurons have been ascribed many roles based on studies of MCH-deficient mice. However, MCH neurons express other neurotransmitters, including GABA, nesfatin, and cocaine-amphetamine-regulated transcript. The importance of these other signaling molecules made by MCH neurons remains incompletely characterized. To determine the roles of MCH neurons in...
Melanin-concentrating hormone (MCH) is a 19-amino-acid cyclic neuropeptide that acts in rodents via the MCH receptor 1 (MCHR1) to regulate a wide variety of physiological functions. MCH is produced by a distinct population of neurons located in the lateral hypothalamus (LH) and zona incerta (ZI), but MCHR1 mRNA is widely expressed throughout the brain. The physiological responses and behaviors ...
A molecular model of the human melanin-concentrating hormone (MCH) peptide was constructed and docked into a helical, bacteriorhodopsin-based model of the recently identified human MCH receptor. From this hormone-receptor complex, potential sites of agonist-receptor interaction were identified, and site-directed mutagenesis was used to substitute residues predicted to reside within the receptor...
A link between energy balance and reproduction is critical for the survival of all species. Energy-consuming reproductive processes need to be aborted in the face of a negative energy balance, yet knowledge of the pathways mediating this link remains limited. Fasting and food restriction that inhibit fertility also upregulate the hypothalamic melanin-concentrating hormone (MCH) system that prom...
Melanin-concentrating hormone (MCH) is a cyclic 19-amino-acid neuropeptide that has been considered to play a key role in the regulation of feeding and energy homeostasis. To date, two receptor subtypes for MCH (designated MCH(1) and MCH(2)) have been identified; the MCH(1) receptor has been proposed to mediate the physiological functions of MCH in rodents. In addition to the crucial roles of M...
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