Objective To investigate whether the agonist of delta opoid receptor D-Ala(2),D-Leu(5) enkephalin(DADLE) has the effect of decreasing myocardial injury during ischemia-reperfusion of adult rabbits\' myocardium,so that a new mechanism and way to myocardial protection could be found.

Objective: To investigate the changes of plasma Neuropeptide B(NPB) and resistin levels, and assess the association between plasma NPB, and resistin, insulin as well as other factors in the population with different glucose tolerances.