(D-Pro2,D-Trp7·9)-Substance P acetate salt

Modify Date: 2025-08-26 17:53:24

(D-Pro2,D-Trp7·9)-Substance P acetate salt Structure
(D-Pro2,D-Trp7·9)-Substance P acetate salt structure
 Common Name (D-Pro2,D-Trp7·9)-Substance P acetate salt
CAS Number 80434-86-2 Molecular Weight 1515.82000
Density N/A Boiling Point N/A
Molecular Formula C74H106N20O13S Melting Point N/A
MSDS USA Flash Point N/A

 Use of (D-Pro2,D-Trp7·9)-Substance P acetate salt


[D-Pro2,D-Trp7,9] Substance P, a Substance P (HY-P0201) analogue, is a weak agonist and a potent, specific, competitive Substance P antagonist[1][2].

 Names

Name [d-pro2, d-trp7,9]-substance p
Synonym More Synonyms

  Biological Activity

Description [D-Pro2,D-Trp7,9] Substance P, a Substance P (HY-P0201) analogue, is a weak agonist and a potent, specific, competitive Substance P antagonist[1][2].
Related Catalog
In Vitro [D-Pro2,D-Trp7,9] Substance P decreases proliferation only in a few cell lines, and only in the highest concentration (100 µM). [D-Pro2,D-Trp7,9] Substance P displays a significantly weaker antiproliferative action than Aprepitant (HY-10052) on cancer or normal cell lines[3].
In Vivo [D-Pro2,D-Trp7,9] Substance P (0-30 nmol, Intravitreal injection) greatly reduces not only the effects of exogenous Substance P (HY-P0201) but also the inflammatory response to trauma to the eye[1]. [D-Pro2,D-Trp7,9] Substance P specifically antagonizes the contractile effects of Substance P on the guinea-pig isolated taenia coli[2]. Animal Model: Adult pigmented rabbits (1.5-3 kg)[1] Dosage: 0.03, 0.3, 3, and 30 nmol Administration: Intravitreal injection or topical application onto the eye, 60 μL Result: Reduced the inflammatory response to Substance P. Dependently reduced the inflammatory response to infrared irradiation. In itself, intravitreal injection of low doses of [D-Pro2, D-Trp7'9]SP had no effects on the eye.
References

[1]. Holmdahl G, et al. A substance P antagonist, [D-Pro2, D-Trp7,9]SP, inhibits inflammatory responses in the rabbit eye. Science. 1981 Nov 27;214(4524):1029-31.  

[2]. Håkanson R, et al. The mechanism of action of a substance P antagonist (D-Pro2, D-Trp7,9)-SP. Br J Pharmacol. 1982 Dec;77(4):697-700.  

[3]. Matalińska J, et al. Antiproliferative effects of [D-Pro2, D-Trp7,9]-Substance P and aprepitant on several cancer cell lines and their selectivity in comparison to normal cells. Folia Neuropathol. 2020;58(3):237-244. English.  

 Chemical & Physical Properties

Molecular Formula C74H106N20O13S
Molecular Weight 1515.82000
Exact Mass 1514.80000
PSA 573.51000
LogP 6.76800

 Synonyms

2-Pro-7,9-Trp-substance p
2-Pro-7,9-Trp-sp
Pttsp
Pt-sp
<D-Pro2,D-Trp7,9>-SP
dt79
[DPro2,DTrp7,9] Substance P
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Chemsrc provides CAS#:80434-86-2 MSDS, density, melting point, boiling point, structure, etc. Its name is (D-Pro2,D-Trp7·9)-Substance P acetate salt>> amp version: (D-Pro2,D-Trp7·9)-Substance P acetate salt

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