Ro 25-1553

Ro 25-1553 is a 31-amino acid analog of vasoactive intestinal peptide (VIP) that functions as an agonist for the VIP2 receptor (VPAC2 receptor) . In guinea pig models, Ro 25-1553 exhibits bronchodilator effects on tracheal smooth muscle contraction induced by neural stimuli or Carbachol.

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