[D-Phe12,Leu14]-Bombesin - CAS 108437-88-3
Category: Inhibitor
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Molecular Formula:
C75H114N22O18
Molecular Weight:
1610.9
COA:
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Targets:
Bombesin Receptor
Description:
[D-Phe12,Leu14]-Bombesin is a bombesin receptor antagonist. It inhibits bombesin binding to rat brain (IC50 = 2 μM), inhibits amylase release in vitro (IC50 = 4 μM), and attenuates bombesin-mediated suppression of food intake in vivo.
Brife Description:
bombesin receptor antagonist
MSDS:
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InChIKey:
PWGHKRYOBBMXGB-TVXZQRGPSA-N
InChI:
InChI=1S/C75H114N22O18/c1-37(2)28-50(63(79)104)93-71(112)52(30-39(5)6)95-72(113)53(31-42-16-11-10-12-17-42)88-61(103)36-85-74(115)62(40(7)8)97-64(105)41(9)86-70(111)54(32-43-34-83-45-19-14-13-18-44(43)45)96-69(110)49(22-25-57(77)99)92-73(114)55(33-58(78)100)89-60(102)35-84-65(106)51(29-38(3)4)94-66(107)46(20-15-27-82-75(80)81)90-68(109)48(21-24-56(76)98)91-67(108)47-23-26-59(101)87-47/h10-14,16-19,34,37-41,46-55,62,83H,15,20-33,35-36H2,1-9H3,(H2,76,98)(H2,77,99)(H2,78,100)(H2,79,104)(H,84,106)(H,85,115)(H,86,111)(H,87,101)(H,88,103)(H,89,102)(H,90,109)(H,91,108)(H,92,114)(H,93,112)(H,94,107)(H,95,113)(H,96,110)(H,97,105)(H4,80,81,82)/t41-,46-,47-,48-,49-,50-,51-,52-,53+,54-,55-,62-/m0/s1
Canonical SMILES:
CC(C)CC(C(=O)N)NC(=O)C(CC(C)C)NC(=O)C(CC1=CC=CC=C1)NC(=O)CNC(=O)C(C(C)C)NC(=O)C(C)NC(=O)C(CC2=CNC3=CC=CC=C32)NC(=O)C(CCC(=O)N)NC(=O)C(CC(=O)N)NC(=O)CNC(=O)C(CC(C)C)NC(=O)C(CCCNC(=N)N)NC(=O)C(CCC(=O)N)NC(=O)C4CCC(=O)N4
1.[D-Phe12]bombesin analogues: a new class of bombesin receptor antagonists.
Heinz-Erian P;Coy DH;Tamura M;Jones SW;Gardner JD;Jensen RT Am J Physiol. 1987 Mar;252(3 Pt 1):G439-42.
Previous attempts to develop analogues of bombesin that function as specific receptor antagonists have been unsuccessful. Alteration of the histidine in luteinizing hormone releasing factor has resulted in analogues that function as competitive antagonists. In the present study we have used a similar strategy and altered the histidine in bombesin. [D-Phe12]bombesin, [D-Phe12,Leu14]bombesin, and [Tyr4,D-Phe12]bombesin did not stimulate amylase release from guinea pig pancreatic acini when present alone, but each analogue inhibited bombesin-stimulated secretion. For each analogue, detectable inhibition occurred at 1 microM and half-maximal inhibition at 4 microM. Each analogue inhibited amylase release by bombesin and other agonists that stimulate secretion by interacting with bombesin receptors. The analogues of bombesin did not alter stimulation by substance P or other agonists that interact with other receptors. The inhibition of the action of bombesin was competitive with Schild plots having slopes of 1.0. Each analogue also inhibited binding of 125I-labeled [Tyr4]bombesin but not 125I-labeled substance P. These results demonstrate that [D-Phe12] analogues of bombesin function as bombesin receptor antagonists and are the only bombesin receptor antagonists that interact only with the bombesin receptor.
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CAS 108437-88-3 [D-Phe12,Leu14]-Bombesin

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