MC4R Antibody
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND

Application
| WB, IHC-P, IF, E |
|---|---|
| Primary Accession | P32245 |
| Other Accession | NP_005903, 119508433 |
| Reactivity | Human, Mouse, Rat |
| Host | Rabbit |
| Clonality | Polyclonal |
| Isotype | IgG |
| Calculated MW | 36943 Da |
| Application Notes | MC4R antibody can be used for detection of MC4R by Western blot at 1 µg/mL. Antibody can also be used for immunohistochemistry starting at 2.5 µg/mL. For immunofluorescence start at 20 µg/mL. |
| Gene ID | 4160 |
|---|---|
| Target/Specificity | MC4R; |
| Reconstitution & Storage | MC4R antibody can be stored at 4℃ for three months and -20℃, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures. |
| Precautions | MC4R Antibody is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | MC4R |
|---|---|
| Function | Hormone receptor that acts as a key component of the leptin- melanocortin pathway at the intersection of homeostatic maintenance of energetic state (PubMed:32327598, PubMed:33858992). Plays a role in regulating food intake: activation by a stimulating hormone such as anorexigenic alpha-melanocyte stimulating hormone (alpha-MSH) inhibits appetite, whereas binding to a natural antagonist like Agouti-related protein/AGRP promotes appetite. G-protein-coupled receptor that activates conventional Galphas signaling leading to induction of anorexogenic signaling in the hypothalamus to result in negative energy balance (PubMed:33858992). Regulates the firing activity of neurons from the hypothalamus by alpha-MSH and AGRP independently of Galphas signaling by ligand-induced coupling of closure of inwardly rectifying potassium channel KCNJ13 (By similarity). In intestinal epithelial cells, plays a role in the inhibition of hepatic glucose production via nesfatin-1/NUCB2 leading to increased cyclic adenosine monophosphate (cAMP) levels and glucagon-like peptide 1 (GLP-1) secretion in the intestinal epithelium (PubMed:39562740). |
| Cellular Location | Cell membrane; Multi-pass membrane protein |
| Tissue Location | Brain, placental, and gut tissues. |

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Provided below are standard protocols that you may find useful for product applications.
Background
MC4R Antibody: The melanocortin-4 receptor (MC4R) is a member of the superfamily of seven transmembrane G-protein coupled receptors that are involved in multiple signal transduction pathways including the cAMP and MAPK signaling pathways. It is thought that the melanocortin system modulates energy expenditure and insulin sensitivity; activation of the MC4R results in the inhibition of c-Jun N-terminal kinase (JNK) activity and promotes insulin signaling. MC4R-null mice display maturity onset obesity characterized by hyperphagia, increased adiposity, hyperinsulinaemia and hyperleptinaemia, suggesting that like other obesity-linked genes such as FTO, PTER, and NPC1, MC4R is a potential candidate target for the treatment of obesity.
References
Gantz I, Miwa H, Konda Y, et al. Molecular cloning, expression, and gene localization of a fourth melanocortin receptor. J. Biol. Chem.1993; 268:15174-9.
Vongs A, Lynn NM, and Rosenblum CI. Activation of MAP kinase by MC4-R through PI3 kinase. Regul. Pept.2004; 120:113-8.
Cone H. Anatomy and regulation of the central melanocortin system. Nat. Neurosci.2005; 8:571-8.
Chai B, Li J-Y, Zhang W, et al. Melanocartin-4 receptor activation inhibits c-Jun N-terminal kinase activity and promotes insulin signaling. Peptides2009; 30:1098-10
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