Role of KATP channels in reduced antinociceptive effect of morphine in streptozotocin-induced diabetic mice.
The nociceptive effect was measured using withdrawal latency in tail flick test in mice rendered diabetic by administering streptozotocin (200 mg/kg, i.p.). The antinociceptive effect of morphine (4 and 8 mg/kg, s.c.) and cromakalim, a KATP channel opener.....