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Melanocortin (MC) 3-MSH (Melanocyte-Stimulating Hormone) is believed to signal through the MC 3 receptor. It induces a sustained increase in intracellular free calcium levels ([Ca2+]i) in a subpopulation of pituitary cells. Most of the cells responding to 3-MSH express more than one pituitary hormone mRNA. The effect of 3-MSH is blocked by SHU9119, a MC3R and MC4R antagonist, in only 50% of the responsive cells, suggesting that in half of these cells the mediating receptor is not the MC3R. Low picomolar doses of 3-MSH increase [Ca2+]i in the growth hormone (GH)- and prolactin (PRL)-secreting GH3 cell line.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 100 mg | Inquiry | Inquiry | Inquiry | |
| 500 mg | Inquiry | Inquiry | Inquiry |
| Description | Melanocortin (MC) 3-MSH (Melanocyte-Stimulating Hormone) is believed to signal through the MC 3 receptor. It induces a sustained increase in intracellular free calcium levels ([Ca2+]i) in a subpopulation of pituitary cells. Most of the cells responding to 3-MSH express more than one pituitary hormone mRNA. The effect of 3-MSH is blocked by SHU9119, a MC3R and MC4R antagonist, in only 50% of the responsive cells, suggesting that in half of these cells the mediating receptor is not the MC3R. Low picomolar doses of 3-MSH increase [Ca2+]i in the growth hormone (GH)- and prolactin (PRL)-secreting GH3 cell line. |
| Molecular Weight | 1569.79 |
| Formula | C74H100N22O15S |
| Cas No. | 799841-81-9 |
| Smiles | C([C@H](NC([C@@H](NC([C@H](CC1=CC=CC=C1)NC([C@H](CC2=CN=CN2)NC(CNC([C@@H](NC([C@@H](NC([C@H](CC3=CC=C(O)C=C3)N)=O)C(C)C)=O)CCSC)=O)=O)=O)=O)CCCNC(=N)N)=O)C(N[C@H](C(N[C@H](C(N[C@@H](CC4=CC=CC=C4)C(NCC(N)=O)=O)=O)CCCNC(=N)N)=O)CC(O)=O)=O)C=5C=6C(NC5)=CC=CC6 |
| Relative Density. | 1.46 g/cm3 (Predicted) |
| Sequence Short | YVMGHFRWDRFG-NH2 |
| Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
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