Inhibitory effect of TMK-688 on late asthmatic responses as well as T-cell and eosinophilic infiltration in guinea pigs with asthmatic reactions

Add time:08/13/2019    Source:sciencedirect.com

The effects of an oral anti-allergic agent, TMK-688, which inhibits 5-lipoxygenase, at doses of 3.2 and 10 mg/kg were studied in guinea pigs with dual-phase asthmatic response. We previously observed that pretreatment with TMK-688 inhibited the late asthmatic response (LAR) induced by ovalbumin inhalation exposure. The present study focused on the effect of TMK-688 on infiltration by T-cells and eosinophils. TMK-688 inhibited both T-cell and eosinophilic infiltration. These findings suggest that TMK-688 is effective in inhibiting infiltration of T-cells and eosinophilic chemotaxis, and thereby suppresses LAR.

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