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MCH1 receptor

Family: Melanin-concentrating hormone receptors

Contents:
Gene and Protein Information
Previous and Unofficial Names
Database Links
Agonists
Antagonists
Transduction Mechanisms
Tissue Distribution
Expression Datasets
Functional Assays
Physiological Functions
Physiological Consequences of Altering Gene Expression
Phenotypes, Alleles and Disease Models
General Comments
References
Gene and Protein Information
class A G protein-coupled receptor
Species TM AA Chromosomal Location Gene Symbol Gene Name Reference
Human 7 422 22q13.2 MCHR1 melanin-concentrating hormone receptor 1 4,20
Mouse 7 423 15 E1 Mchr1 melanin-concentrating hormone receptor 1 19
Rat 7 360 7q34 Mchr1 melanin-concentrating hormone receptor 1 22
Previous and Unofficial Names
SLC-1
GPR24
SLC1
MCHR1
MCH-1R
gpr 24
MCH1R
G protein-coupled receptor 24
G-protein coupled receptor 24
MCH receptor 1
MCH-R1
MCHR
MCHR-1
melanin-concentrating hormone receptor 1
somatostatin receptor-like protein
Gpr24-9
AW049955
Database Links
ChEMBL Target
Ensembl
Entrez Gene
GeneCards
GenitoUrinary Development Molecular Anatomy Project
HomoloGene
Human Protein Reference Database
InterPro
KEGG Gene
OMIM
PharmGKB Gene
PhosphoSitePlus
Protein Ontology (PRO)
RefSeq Nucleotide
RefSeq Protein
TreeFam
UniGene Hs.
UniProt
Wikipedia
Search for 3D structures on the PDB
Search by keyword: Melanin-concentrating hormone receptors MCH1 receptor
Natural/Endogenous Ligand(s)
melanin-concentrating hormone {Sp: Human, Mouse, Rat}
Rank order of potency (Human)
Agonists
Key to terms and symbols View all chemical structures Click column headers to sort
Ligand Sp. Action Affinity Units Reference
[125I]MCH (human, mouse, rat) Hs Full agonist 9.7 – 10.8 pKd 8
[125I][Phe13,Tyr19]MCH Hs Full agonist 9.2 pKd 5
S36057 Hs Full agonist 10.1 – 10.4 pKi 1
S36057 Rn Full agonist 10.1 – 10.3 pKi 40
melanin-concentrating hormone {Sp: Human, Mouse, Rat} Hs Full agonist 9.7 – 10.5 pKi 1,8
melanin-concentrating hormone {Sp: Human, Mouse, Rat} Rn Full agonist 9.8 – 10.0 pKi 40
MCH6-17 Rn Full agonist 9.4 – 9.7 pKi 40
MCH (salmon) Hs Full agonist 9.4 – 9.6 pKi 1,8
MCH6-17 Hs Full agonist 9.2 – 9.8 pKi 1
MCH (salmon) Rn Full agonist 9.3 – 9.5 pKi 40
[Phe13,Tyr19]MCH Rn Full agonist 9.2 – 9.5 pKi 40
C3 Hs Full agonist 8.7 – 8.9 pKi 40
S36077 Hs Full agonist 6.7 – 7.4 pKi 1
S36077 Rn Full agonist 6.6 – 7.2 pKi 40
variant MCH Hs Full agonist 6.5 – 6.6 pKi 8
Ac-hMCH-(6-16)-NH2 Hs Full agonist 9.7 – 9.9 pIC50 3
compound 2 [PMID:11375253] Hs Full agonist 9.7 pIC50 1
[Phe13,Tyr19]MCH Hs Full agonist 8.2 – 10.0 pIC50 8,19,33
p-guanidinobenzoyl-MCH-(7-17) Hs Full agonist 8.4 pIC50 2
View species-specific agonist tables
Antagonists
Key to terms and symbols View all chemical structures Click column headers to sort
Ligand Sp. Action Affinity Units Reference
SNAP-7941 Hs Antagonist 9.2 pA2 4
SNAP-7941 Hs Antagonist 9.7 pKd 4
S38151 Hs Antagonist 9.3 – 10.0 pKd 2
[125I]S36057 Hs Antagonist 9.2 – 9.5 pKd 1
[125I](3-iodo-Tyr13)-MCH Hs Antagonist 9.2 – 9.4 pKd 1
tetralin_urea analogue (7o) Hs Antagonist 9.1 pKi 14
S36541 Hs Antagonist 7.9 – 8.3 pKi 1
ATC0065 Hs Antagonist 7.8 – 7.9 pKi 7
[3H]SNAP-7941 Hs Antagonist 7.8 pKi 4
SB-568849 Hs Antagonist 7.7 pKi 45
S36539 Hs Antagonist 7.3 – 8.0 pKi 1
S36540 Hs Antagonist 7.2 – 7.8 pKi 1
compound 17 Hs Antagonist 9.4 pIC50 42
GW803430 Hs Antagonist 9.3 pIC50 16
7-fluorochromone-2-carboxamide Hs Antagonist 8.5 pIC50 25
T-226296 Hs Antagonist 8.3 pIC50 41
TPI 1361-17 Hs Antagonist 8.2 pIC50 28
ATC0175 Hs Antagonist 7.9 – 8.1 pIC50 7
[Ava9,10,Ava14,15]-Ac-hMCH6-16-NH2 Hs Antagonist 7.0 – 7.5 pIC50 3
Primary Transduction Mechanisms
Transducer Effector/Response
Gs family
Gi/Go family
Gq/G11 family
Adenylate cyclase inhibition
Phospholipase C stimulation
References:  15,30,35-36
Tissue Distribution
Olfactory system, hippocampal formation (ventromedial nucleus, arcuate nucleus, and zona incerta), subiculum, basolateral amygdala, shell of the nucleus accumbens. Brainstem; locus coeruleus, facial, hypoglossal, motor trigeminal, and dorsal motor vagus nuclei.
Species:  Human
Technique:  in situ hybridization.
References:  34
Ovary > brain (substantia nigra > temporal lobe > occipital lobe, parietal lobe, hippocampus, amygdala, hypothalamus > frontal lobe, cerebral cortex, corpus callosum, cerebral peduncles, caudate nucleus > spinal cord, thalamus, medulla oblongata, pons, cerebellum) > liver > testis.
Species:  Human
Technique:  Quantitative RT-PCR.
References:  27
Pituitary > brain.

Cingulate gyrus > superior frontal gyrus > parahippocampal gyrus > medial frontal gyrus > hippocampus > nucleus accumbens > hypothalamus.
Species:  Human
Technique:  Quantitative RT-PCR.
References:  18
Hippocampal formation > olefactory system > cerebral cortex > thalamus, basal and limbic forebrain, hyothalamus, pons and medulla, midbrain, spinal cord.
Species:  Rat
Technique:  in situ hybridization.
References:  24
Cerebral cortex, caudate putamen, hippocampal formation, amygdala, hypothalamus, thalamus, mesencephalon, rhombencephalon.
Species:  Rat
Technique:  In situ hybridization and immunohistochemistry.
References:  17
Brain; accumbens nucleus, shell; field CA1 of Ammon's horn; central amygdaloid nucleus; cingulate cortex; claustrum; central medial thalamic nucleus; audate-putamen; dorsal raphe; entorhinal cortex;locuscoeruleus; subiculum; superior colliculus; olfactory tubercle; ventromedial hypothalamus.
Species:  Rat
Technique:  Autoradiography.
References:  4
Ventromedial and dorsomedial nuclei of the hypothalamus.
Species:  Rat
Technique:  in situ hybridization.
References:  8,35
Expression Datasets

Click here to show/hide data

Log average relative transcript abundance in mouse tissues measured by qPCR from Regard, J.B., Sato, I.T., and Coughlin, S.R. (2008). Anatomical profiling of G protein-coupled receptor expression. Cell, 135(3): 561-71. [PMID:18984166] [Raw data: website]

There should be a chart of expression data here, you may need to enable JavaScript!
Functional Assays
Measurement of IP3 production in CHO cells transfected with the human MCH1 receptor.
Species:  Human
Tissue:  CHO cells.
Response measured:  Stimulation of IP3 production.
References:  15,44
Measurement of cAMP levels in HEK 293 cells transfected with the human MCH1 receptor.
Species:  Human
Tissue:  HEK 293 cells
Response measured:  Inhibition of forskolin-induced cAMP accumulation.
References:  8,30
Measurement of intracellular Ca2+ in HEK 293 cells transfected with the human MCH1 receptor.
Species:  Human
Tissue:  HEK 293 cells.
Response measured:  Increase in intracellular Ca2+.
References:  8
Measurement of MAP kinase activity via PKC-dependent and PKC-independent mechanisms in CHO cells transfected with the human MCH1 receptor.
Species:  Human
Tissue:  CHO cells.
Response measured:  Activation of MAP kinase activity.
References:  15
Measurement of intracellular Ca2+ in cells transfected with the rat MCH1 receptor.
Species:  Rat
Tissue:  HEK 293 cells.
Response measured:  Increase in intracellular Ca2+.
References:  24
Measurement of cAMP levels in HEK 293 cells transfected with the rat MCH1 receptor.
Species:  Rat
Tissue:  HEK 293 cells.
Response measured:  Inhibition of forskolin-stimulated cAMP accumulation.
References:  24,44
Measurement of cAMP levels in CHO cells transfected with the human MCH1 receptor.
Species:  Human
Tissue:  CHO cells.
Response measured:  Inhibition of forskolin-stimulated cAMP accumulation.
References:  15,35,38
Measurement of GIRK-mediated currents in Xenopus oocytes transfected with the human MCH1 receptor.
Species:  Rat
Tissue:  Xenopus oocytes.
Response measured:  Strong inward current.
References:  6
Measurement of GIRK-mediated currents in Xenopus oocytes transfected with the human MCH1 receptor.
Species:  Rat
Tissue:  Xenopus oocytes.
Response measured:  Strong inward current.
References:  6
Measurement of intracellular Ca2+ in CHO cells transfected with the human MCH1 receptor.
Species:  Human
Tissue:  CHO cells.
Response measured:  Increase in intracellular Ca2+.
References:  15,44
Measurement of cAMP levels in HEK 293 cells transfected with the human MCH1 receptor.
Species:  Human
Tissue:  HEK 293 cells.
Response measured:  Inhibition of β-adreninic receptor-induced cAMP accumulation.
References:  30
Measurement of ERK phosphorylation in HEK 293 cells transfected with the human MCH1 receptor.
Species:  Human
Tissue:  HEK 293 cells.
Response measured:  Induction of ERK phosphyrlation.
References:  30
Measurement of forskolin-stimulated cAMP accumulation in SK-MEL37 cells endogneously expressing the MCH1 receptor.
Species:  Human
Tissue:  SK-MEL37 cells.
Response measured:  Inhibition of forskolin-stimulated cAMP accumulation.
References:  36
Measurement of MAPK activity in SK-MEL37 cells endogenously expressing the MCH1 receptor.
Species:  Human
Tissue:  SK-MEL37 cells.
Response measured:  Activation of MAPK phosphorylation of ERK1/ERK2.
References:  36
Measurement of cAMP accumulation, Ca2+ mobilisation and CD3-stimulated in vitro proliferation in peripheral blood mononuclear (PBM) cells.
Species:  Human
Tissue:  PBM cells.
Response measured:  Induction of cAMP production and Ca2+ mobilisation, decrease in cell proliferation.
References:  43
Measurement of cAMP accumulation, Ca2+ mobilisation and CD3-stimulated in vitro proliferation in peripheral blood mononuclear (PBM) cells.
Species:  Mouse
Tissue:  PBM cells.
Response measured:  Induction of cAMP production and Ca2+ mobilisation, decrease in cell proliferation.
References:  43
Measurement of dopamine-induced dopamine-induced phosphorylation of the AMPA glutamate receptor subunit GluR1 at Ser845 in nucleus accumbens shell exaplants.
Species:  Rat
Tissue:  Nucleus accumbens shell exaplants.
Response measured:  Activation of MCH1 blocks phosphorylation.
References:  13
Physiological Functions
Modulation of food intake.
Species:  Rat
Tissue:  In vivo.
References:  4,13,32,41
Blockades of the MCH1 receptor produces effects similar to clinically used antidepressants and anxiolytics in models of depression/anxiety.
Species:  Rat
Tissue:  In vivo.
References:  4,7,10,13,39
Regulation of feeding behaviour.
Species:  Mouse
Tissue:  In vivo.
References:  31
Modulation of food intake and body weight.
Species:  Rat
Tissue:  In vivo.
References:  12,21
Modulation of appetite and caloric efficiency.
Species:  Rat
Tissue:  In vivo.
References:  37
Stressor-induced acetylcholine release within the prefrontal cortex is blocked by MCH1 antagonism.
Species:  Mouse
Tissue:  In vivo.
References:  39
Administration of MCH to the nucleus accumbens increases depressive behaviour.
Species:  Rat
Tissue:  In vivo.
References:  13
Regulation of alcohol intake.
Species:  Rat
Tissue:  In vivo.
References:  11
Autocrine regulation of pancreatic islet function and growth
Species:  Human
Tissue:  pancreatic cells
References:  29
Physiological Consequences of Altering Gene Expression
MCH1 receptor knockout mice are lean and have reduced fat mass compared to the wild type.
Species:  Mouse
Tissue: 
Technique:  Gene targeting in embryonic stem cells.
References:  26
Mice lacking the MCH1 receptor are hyperphagic and resistant to diet-induced obesity, compared to the wild type.
Species:  Mouse
Tissue: 
Technique:  Gene targeting in embryonic stem cells.
References:  9
Stressor-evoked acetylcholine release within the prefrontal cortex blocking by MCH1 receptor antagonism is not observed in MCH1 receptor knockout mice, compared to the wild type.
Species:  Mouse
Tissue: 
Technique:  Gene targeting in embryonic stem cells.
References:  39
MCH1 receptor knockout mice are more active, less anxious and less emotionally reactive when compared to the wild type.
Species:  Mouse
Tissue: 
Technique:  Gene targeting in embryonic stem cells.
References:  23
Phenotypes, Alleles and Disease Models Mouse data from MGI

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Allele Composition & genetic background Accession Phenotype Id Phenotype Reference
Mchr1tm1Dgam Mchr1tm1Dgam/Mchr1tm1Dgam
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
MGI:2180756  MP:0005450 abnormal energy expenditure PMID: 15130877 
Mchr1tm1Yush Mchr1tm1Yush/Mchr1tm1Yush
involves: 129 * C57BL/6
MGI:2180756  MP:0005450 abnormal energy expenditure PMID: 12072376 
Mchr1tm1.1Blak Mchr1tm1.1Blak/Mchr1tm1.1Blak
involves: 129S1/Sv * 129S2/SvPas * 129X1/SvJ * FVB/N
MGI:2180756  MP:0003194 abnormal frequency of paradoxical sleep PMID: 18380672 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0003953 abnormal hormone level PMID: 11867747 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0005266 abnormal metabolism PMID: 11867747 
Mchr1tm1Blak Mchr1tm1Blak/Mchr1tm1Blak
involves: 129S1/Sv * 129X1/SvJ * C57BL/6J
MGI:2180756  MP:0002272 abnormal nervous system electrophysiology PMID: 15926931 
Mchr1tm1Blak Mchr1tm1Blak/Mchr1tm1Blak
involves: 129S1/Sv * 129X1/SvJ * C57BL/6J
MGI:2180756  MP:0002799 abnormal passive avoidance behavior PMID: 15926931 
Mchr1tm1Lex Mchr1tm1Lex/Mchr1tm1Lex
involves: 129S/SvEvBrd * C57BL/6J
MGI:2180756  MP:0005322 abnormal serotonin concentration PMID: 15988472 
Mchr1tm1.1Blak Mchr1tm1.1Blak/Mchr1tm1.1Blak
involves: 129S1/Sv * 129S2/SvPas * 129X1/SvJ * FVB/N
MGI:2180756  MP:0001501 abnormal sleep pattern PMID: 18380672 
Mchr1tm1Lex Mchr1tm1Lex/Mchr1tm1Lex
involves: 129S/SvEvBrd * C57BL/6J
MGI:2180756  MP:0001360 abnormal social investigation PMID: 15988472 
Mchr1tm1Lex Mchr1tm1Lex/Mchr1tm1Lex
involves: 129S/SvEvBrd * C57BL/6J
MGI:2180756  MP:0001364 decreased anxiety-related response PMID: 15988472 
Mchr1tm1Dgam Mchr1tm1Dgam/Mchr1tm1Dgam
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
MGI:2180756  MP:0001262 decreased body weight PMID: 15130877 
Mchr1+|Mchr1tm1Dgam Mchr1tm1Dgam/Mchr1+
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
MGI:2180756  MP:0001262 decreased body weight PMID: 15130877 
Mchr1tm1Yush Mchr1tm1Yush/Mchr1tm1Yush
involves: 129 * C57BL/6
MGI:2180756  MP:0002727 decreased circulating insulin level PMID: 12072376 
Mchr1tm1Yush Mchr1tm1Yush/Mchr1tm1Yush
involves: 129 * C57BL/6
MGI:2180756  MP:0005668 decreased circulating leptin level PMID: 12072376 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0005668 decreased circulating leptin level PMID: 11867747 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0005459 decreased percent body fat PMID: 11867747 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0010379 decreased respiratory quotient PMID: 11867747 
Mchr1tm1Lex Mchr1tm1Lex/Mchr1tm1Lex
involves: 129S/SvEvBrd * C57BL/6J
MGI:2180756  MP:0010167 decreased response to stress-induced hyperthermia PMID: 15988472 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0005471 decreased thyroxine level PMID: 11867747 
Mchr1tm1Dgam Mchr1tm1Dgam/Mchr1tm1Dgam
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
MGI:2180756  MP:0010025 decreased total body fat amount PMID: 15130877 
Mchr1tm1Yush Mchr1tm1Yush/Mchr1tm1Yush
involves: 129 * C57BL/6
MGI:2180756  MP:0010025 decreased total body fat amount PMID: 12072376 
Mchr1tm1Dgam Mchr1tm1Dgam/Mchr1tm1Dgam
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
MGI:2180756  MP:0001399 hyperactivity PMID: 15130877 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0001399 hyperactivity PMID: 11867747 
Mchr1tm1.1Blak Mchr1tm1.1Blak/Mchr1tm1.1Blak
involves: 129S1/Sv * 129S2/SvPas * 129X1/SvJ * FVB/N
MGI:2180756  MP:0009747 impaired behavioral response to xenobiotic PMID: 18380672 
Mchr1tm1Dgam Mchr1tm1Dgam/Mchr1tm1Dgam
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
MGI:2180756  MP:0005533 increased body temperature PMID: 15130877 
Mchr1tm1Lex Mchr1tm1Lex/Mchr1tm1Lex
involves: 129S/SvEvBrd * C57BL/6J
MGI:2180756  MP:0005533 increased body temperature PMID: 15988472 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0001745 increased circulating corticosterone level PMID: 11867747 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0003911 increased drinking behavior PMID: 11867747 
Mchr1tm1Yush Mchr1tm1Yush/Mchr1tm1Yush
involves: 129 * C57BL/6
MGI:2180756  MP:0003909 increased eating behavior PMID: 12072376 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0003909 increased eating behavior PMID: 11867747 
Mchr1tm1Dgam Mchr1tm1Dgam/Mchr1tm1Dgam
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
MGI:2180756  MP:0002626 increased heart rate PMID: 15130877 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0003960 increased lean body mass PMID: 11867747 
Mchr1tm1Dgam Mchr1tm1Dgam/Mchr1tm1Dgam
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
MGI:2180756  MP:0005659 increased resistance to diet-induced obesity PMID: 15130877 
Mchr1tm1Blak Mchr1tm1Blak/Mchr1tm1Blak
involves: 129S1/Sv * 129X1/SvJ * C57BL/6J
MGI:2180756  MP:0005659 increased resistance to diet-induced obesity PMID: 15926931 
Mchr1tm1Yush Mchr1tm1Yush/Mchr1tm1Yush
involves: 129 * C57BL/6
MGI:2180756  MP:0005659 increased resistance to diet-induced obesity PMID: 12072376 
Mchr1tm1Sqn Mchr1tm1Sqn/Mchr1tm1Sqn
involves: 129S7/SvEvBrd * C57BL/6
MGI:2180756  MP:0005659 increased resistance to diet-induced obesity PMID: 11867747 
Mchr1tm1Ohl Mchr1tm1Ohl/Mchr1tm1Ohl
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
MGI:2180756  MP:0000066 osteoporosis PMID: 15147966 
Mchr1tm1Dgam Mchr1tm1Dgam/Mchr1tm1Dgam
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
MGI:2180756  MP:0001433 polyphagia PMID: 15130877 
Mchr1tm1Yush Mchr1tm1Yush/Mchr1tm1Yush
involves: 129 * C57BL/6
MGI:2180756  MP:0008489 postnatal slow weight gain PMID: 12072376 
Mchr1tm1Yush Mchr1tm1Yush/Mchr1tm1Yush
involves: 129 * C57BL/6
MGI:2180756  MP:0001263 weight loss PMID: 12072376 
General Comments
In humans, MCH2 shares a similar distribution pattern as MCH1. However no role is ascribed yet to MCH2 due both to the lack of expression in rodents and the lack of selective antagonists.

REFERENCES

To cite this database page, please use the following:

Valérie Audinot, Jean A. Boutin.
Melanin-concentrating hormone receptors: MCH1 receptor. Last modified on 31/01/2013. Accessed on 20/05/2013. IUPHAR database (IUPHAR-DB), http://www.iuphar-db.org/DATABASE/ObjectDisplayForward?objectId=280.


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