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Pentagastrin is a synthetic polypeptide that stimulates gastric acid secretion on the gastrointestinal tract in a cholinergic signaling-dependent manner. Pentagastrin inhibits motilin-induced contractions in the stomach in animal models. Pentagastrin also enhances gastric defense by increasing mucus gel thickness, mucosal blood flow, and pHi.
| Cas No. | 5534-95-2 |
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| Purity | ≥95% |
| Formula | C37H50N7O9S |
| Formula Wt. | 768.79 |
| Chemical Name | (3S)-4-[[(2S)-1-amino-1-oxo-3-phenylpropan-2-yl]amino]-3-[[(2S)-2-[[(2S)-3-(1H-indol-3-yl)-2-[3-(2-methylpropoxycarbonylamino)propanoylamino]propanoyl]amino]-4-methylsulfanylbutanoyl]amino]-4-oxobutanoic acid |
| IUPAC Name | 4-[[(2R)-1-amino-1-oxo-3-phenylpropan-2-yl]amino]-3-[[(2R)-2-[[(2S)-3-(1H-indol-3-yl)-2-[3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoylamino]propanoyl]amino]-4-methylsulfanylbutanoyl]amino]-4-oxobutanoic acid |
| Synonym | Gastrodiagnost, Pentagastrinum, Peptavlon, Petogasrin |
| Melting Point | 229°C |
| Appearance | White to off-white powder |
| Store Temp | -20°C |
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| Ship Temp | Ambient |
| MSDS | |
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| Info Sheet |
Beckert S, Wolf SC, Farrahi F, et al. TGF-beta3 inhibits pentagastrin-stimulated gastric acid secretion in rats. Med Sci Monit. 2005 Mar;11(3):BR80-3. PMID: 15735558.
Yamamoto O, Matsunaga Y, Shiba Y, et al. Inhibition of motilin-induced phase III contractions by pentagastrin in Heidenhain pouch dogs. J Pharmacol Exp Ther. 1994 Dec;271(3):1471-6. PMID: 7996460.
Nishizaki Y, Guth PH, Kim G, et al. Pentagastrin enhances gastric mucosal defenses in vivo: luminal acid-dependent and independent effects. Am J Physiol. 1994 Jul;267(1 Pt 1):G94-104. PMID: 8048536.
Zwick R, Bowes KL, Daniel EE, et al. Mechanism of action of pentagastrin on the lower esophageal sphincter. J Clin Invest. 1976 Jun;57(6):1644-51. PMID: 932198.