Tachykinins

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S2275 Acetyl-[Arg6, Sar9, Met(O2)11]-Substance P Fragment 6-11 ≥95% Selective NK-1 receptor agonist.
 
S6883 Substance P acetate salt hydrate ≥95% (HPLC), powder NK-1 agonist; potent vasodilator and hypotensive agent; induces salivation; increases capillary permeability; induces mast cell degranulation; putative neurotransmitter in sensory (pain) afferents.
0.1 M acetic acid: 1 mg/mL
S3144 [D-Arg1, D-Phe5, D-Trp7,9, Leu11]-Substance P ≥95% (HPLC) NK-1 tachykinin receptor antagonist
Somatostatin plays an important role in regulating the metabolism of other hormones such as growth hormone, insulin, IGF-1 (insulin-like growth factor 1), glucagon, glucagon-like peptide and gastrin. Somatostatin has both regulatory and inhibitory functions. It retards gastrointestinal motility and gallbladder contraction, suppresses gut exocrine secretion and reduces epithelial proliferation. Somatostatin is associated with intestinal nutrient absorption and blood flow regulation. This peptide hormone is believed to inhibit cell proliferation and promote apoptosis. Somatostatin acts as a neurotransmitter and neuromodulator, and is also associated in maintaining water balance.
 
S3672 [Sar9, Met(O2)11]-Substance P ≥95% (HPLC) Highly selective NK-1 receptor agonist.