... potential of VIP for the clinicaltreatment of COPD/asthma on the basis that VIP acts as a neurotransmit ter, the dominant mechanism of humanairway and vascular relaxation, and its anti-inflammatoryproperties. ... Hamasaki Y, Saga T, Mojarad M, Said SI: Vasoactive intestinal peptide counteracts leukotriene D4-induced contractions of guinea pig trachea,lung, and pulmonary artery. Trans Assoc Am Physicians ... in ratairways in vivo. Regul Pept 2004, 117:149-54.95. Onoue S, Ohmori Y, Endo K, Yamada S, Kimura R, Yajima T: Vasoactive intestinal peptide and pituitary adenylate cyclase-activating polypeptideattenuate...