Prosaptide Tx14(A) TFA 

Prosaptide Tx14(A) TFA, a prosaposin-derived peptide, is a potent GPR37L1 and GPR37 agonist with EC₅₀s of 5 and 7 nM, respectively. Prosaptide Tx14(A) TFA increases both ERK1 and ERK2 phosphorylation in Schwann cells^[1][2].

Prosaptide Tx14(A) TFA promotes the endocytosis of GPR37 and GPR37L1, bound to both receptors and activated signaling in a GPR37- and GPR37L1-dependent manner. Prosaptide Tx14(A) TFA is the active fragment of the secreted neuroprotective and glioprotective factor prosaposin (also known as sulfated glycoprotein-1)^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

1693.72

C₇₁H₁₁₁F₃N₁₆O₂₈

Solid

White to off-white

Thr-Ala-Leu-Ile-Asp-Asn-Asn-Ala-Thr-Glu-Glu-Ile-Leu-Tyr

TALIDNNATEEILY

Room temperature in continental US; may vary elsewhere.

Sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

• [1]. Meyer RC, et al. GPR37 and GPR37L1 are receptors for the neuroprotective and glioprotective factors prosaptide and prosaposin. Proc Natl Acad Sci U S A. 2013;110(23):9529-9534.  [Content Brief]

  [2]. Campana WM, et al. Prosaptide activates the MAPK pathway by a G-protein-dependent mechanism essential for enhanced sulfatide synthesis by Schwann cells. FASEB J. 1998;12(3):307-314.  [Content Brief]