Wednesday 13 February 2019

Alteration in behavior of rat after chronic exposure to acetamiprid

Research (Published online: 13-02-2019)
11. Alteration in behavior of rat after chronic exposure to acetamiprid
Samiran Mondal, Saktipada Pradhan and Sunit K. Mukhopadhayay
Veterinary World, 12(2): 254-257
ABSTRACT
Background and Aim: Acetamiprid is a chemical of neonicotinoid group which binds with nicotinic acetylcholine receptor (nAChR) and alters the brain function. The present study was taken up to enlight the understanding of nociception behavior in Sprague Dawley (SD) rat after multiple exposures to acetamiprid.
Materials and Methods: For experiment purpose, a total of 48 SD rats were divided into four dose groups having 12 animals each. Group I was control group received only distilled water. Group II, Group III, and Group IV were treated with acetamiprid at a dose rate of 5, 20, and 40 mg/kg body weight, respectively. Rats were tested in induced pain by formalin injection and tail flick test.
Results: The flinch counts in formalin-induced pain in acetamiprid-treated rat were reduced in a dose-dependent manner, whereas, in tail flick test, no such altered pain behavior was observed in treated group compared to control animals.
Conclusion: Acetamiprid alters the centralized nociception through nAChR but could not trigger the associated signal to inhibit the nociception peripherally.
Keywords: acetamiprid, formalin, pain, tail flick.

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