This paper summarized chemical structure characters of semiochemicals in scarabs , and reviewed the unique reciprocal role of chiral sex pheromones as agonist antagonist in chemical communication in scarabs and biosynthesis of sex pheromone .
The peptides derived from milk proteins have many biological functions and nutritional roles , such as opioid agonist and antagonist , immunomodulation , anti-hypertension , anti-thrombotic activity , antibacterial and antiviral activities , mineral absorption , and prevention of diarrhea .
Objective : to evaluate the efficiency and safety of partial dopamine re ceptor agonist in clinical application .
目的:评价多巴胺受体部分激动剂临床应用的疗效与安全性。
This is most effective if a specific receptor blocking agent is available to counter the effects of a given agonist .
在这方面最有效的是利用特效的受体阻滞药对抗特定激剂的作用。
Remarkably , functional selectivity can even lead to the exact same molecule acting alternatively as an agonist or antagonist , depending on the physiological response that is being mediated by the protein .