Galanin (2-11)

Aequorin functional assay / Calcium imaging assay

Galanin 2/3 receptors

The product is shipped as a lyophilized powder at room temperature. Upon receipt, store the product at -20°C. Protect from moisture.

1136 Da

A Selective and Potent Agonist of Galanin 2/3 Receptors

Centrifuge the vial (10, 000 × g for 5 minutes) before adding solvent to spin down all the powder to the bottom of the vial. The lyophilized product may be difficult to visualize. Add solvent directly to the centrifuged vial. Gently tap, tilt, and roll the vial to aid dissolution. Avoid vigorous vortexing; light vortexing for up to 3 seconds is acceptable if needed. Soluble in DMSO. Prepare a concentrated stock solution by dissolving the lyophilized peptide in DMSO first (e.g., at a concentration between 100-1000x of the final working concentration). Once the peptide is completely dissolved in DMSO, slowly dilute the solution into the working buffer (or water) to the desired final working concentration. Centrifuge all product preparations before use. Avoid multiple freeze-thaw cycles to maintain biological activity. It is recommended to keep the DMSO concentration as low as possible. For cell assays, a final concentration of 0.1%–0.5% DMSO (v/v) is considered safe. For other experiments, a 5% DMSO (v/v) concentration is recommended.

7, 4

Leu¹⁰ - C-terminal amidation

A Galanin 2/3 receptor agonist1.

no

Galanin (2-11) is a neuropeptide that acts as a selective potent galanin 2 and 3 receptor (GalR2/3) agonist. Galanin is a C-terminally amidated 29-residue peptide deriving its name from the N-terminal glycine and C-terminal alanine residue. In humans the peptide contains additional nonamidated serine residue at C terminus. Galanin was firstly isolated from porcine intestine and shown to be widely distributed through the central and peripheral nervous system1-3.Its biological activity includes contraction or relaxation of gut smooth muscles, inhibition of insulin and somatostatin release, and modulation of hormone secretion from the pituitary and adrenal gland. It is believed that galanin plays an important role as a neuromodulator of endocrine secretion and synaptic transmission1.Galanin receptors belong to the family of G-protein coupled receptors and consist of three subtypes: GalR1, GalR2, and GalR3. Additional studies show that galanin and its receptors are involved in the transmission and modulation of nociception2.