1. GPCR/G Protein
  2. MCHR1 (GPR24)

Melanin Concentrating Hormone, salmon (Synonyms: MCH (salmon))

Cat. No.: HY-P1525
Handling Instructions

Melanin Concentrating Hormone, salmon is a 19-amino-acid neuropeptide initially identified in the pituitary gland of teleost fish, which regulates food intake, energy balance, sleep state, and the cardiovascular system. Melanin-concentrating hormone is a ligand for an orphan G protein-coupled receptor (SLC-1/GPR24) and MCHR2.

For research use only. We do not sell to patients.

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Melanin Concentrating Hormone, salmon Chemical Structure

Melanin Concentrating Hormone, salmon Chemical Structure

CAS No. : 87218-84-6

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Description

Melanin Concentrating Hormone, salmon is a 19-amino-acid neuropeptide initially identified in the pituitary gland of teleost fish, which regulates food intake, energy balance, sleep state, and the cardiovascular system. Melanin-concentrating hormone is a ligand for an orphan G protein-coupled receptor (SLC-1/GPR24) and MCHR2.

IC50 & Target

SLC-1/GPR24, MCHR2[1]

In Vitro

An orphan G protein-coupled receptor (SLC-1/GPR24) has been identified as a receptor for MCH (MCHR1). MCHR2 has higher protein sequence homology to MCHR1 than any other G protein-coupled receptor. MCHR2 is specifically activated by nanomolar concentrations of MCH, binds to MCH with high affinity, and signals through Gq protein[1].

In Vivo

Melanin Concentrating Hormone stimulates appetite. Continuous infusion of Melanin Concentrating Hormone into the ventricular system increases food intake for 7-8 days[2]. Intracerebroventricular infusion of Melanin Concentrating Hormone (10 μg/day) causes a slight but significant increase in body weight in mice maintained on the regular diet. Chronic stimulation of the brain Melanin Concentrating Hormone system could cause obesity in mice[3].

References
Kinase Assay
[1]

Binding of 125I-labeled Melanin Concentrating Hormone (MCH) to MCHR1 and MCHR2 is measured by filtration binding assay. Membranes (10 μg protein) from transiently transfected HEK293-MCHR1 and HEK293-MCHR2 cells are mixed with 0-9.8 nM 125I-labeled MCH in the binding buffer (50 mM Hepes/10 mM MgCl内容2/2 mM EGTA; protease inhibitors, 0.1% BSA, pH 7.6). After incubation for 1 h at room temperature, membrane-bound 125I-labeled MCH is separated from the free 125I-labeled MCH by filtration through a 96-well GF/B plate on a Packard Filtermate Cell Harvester and ished with ice-cold binding buffer supplemented with 80 mM NaCl. Eighty microliters of scintillation liquid is added, and the radioactivity is counted on a Packard Microplate Topcount[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration
[2][3]

Rats[2]

Both male Wistar and male Sprague-Dawley rats weighing between 310 and 370 g (age 8-11 weeks) are used in the study. All animals receive food which had the following dry weight composition: 64% carbohydrate, 22% protein, 4.3% fat, 4% cellulose and 5.5% ash. For chronic experiments, the rats are infused either with artificial CSF (0.5 μL/h) or MCH (8 μg/rat/day).Body weight and food intake are then recorded daily for 12 days[2].

Mice[3]

Male C57BL/6J mice is prepared for measurement of spontaneous motor activity. Melanin Concentrating Hormone (10 μg/day) or the vehicle is infused for 14 days under the regular diet-fed condition. Motor activity is measured during the last 3 days of the 14-day infusion by an activity monitoring system in home cages[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References
Molecular Weight

2099.48

Formula

C₈₉H₁₃₉N₂₇O₂₄S₄

CAS No.

87218-84-6

Sequence

Asp-Thr-Met-Arg-Cys-Met-Val-Gly-Arg-Val-Tyr-Arg-Pro-Cys-Trp-Glu-Val (Disulfide bridge: Cys5-Cys14)

Sequence Shortening

DTMRCMVGRVYRPCWEV (Disulfide bridge: Cys5-Cys14)

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Shipping

Room temperature in continental US; may vary elsewhere

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Product Name:
Melanin Concentrating Hormone, salmon
Cat. No.:
HY-P1525
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Melanin Concentrating Hormone, salmon

Cat. No.: HY-P1525