EVALUATION OF ANTIDOTAL EFFECT OF PRALIDOXIME ON PREVENTION OR REVERSAL OF A PARAOXON- INDUCED INCREASING RESPONSE OF CHICKEN BIVENTER CERVICES TO ELECTRICAL STIMULATION

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POORHEIDARI GH.R.; KHODAEI N.; SHAHRIARY A.

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Journal: HAKIM RESEARCH JOURNAL Year:2006 | Volume:9 | Issue:2 Page(s): 24-30

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Title

EVALUATION OF ANTIDOTAL EFFECT OF PRALIDOXIME ON PREVENTION OR REVERSAL OF A PARAOXON- INDUCED INCREASING RESPONSE OF CHICKEN BIVENTER CERVICES TO ELECTRICAL STIMULATION

Author(s)

POORHEIDARI GH.R. | KHODAEI N. | SHAHRIARY A. | Issue Writer Certificate

Keywords

PARAOXONQ3

PRALIDOXIMEQ4

SKELETAL MUSCLEQ3

CHICKENQ3

Abstract

Introduction: One of the most toxic effects of organophosphate (OP) poisoning has been the paralysis of SKELETAL MUSCLEs that can lead to paralysis of respiratory muscles and death. However, oximes are the only antidotes available to reverse or prevent such toxic effects of OP insecticides and nerve chemical warfare agents.Methods: In the present study, the effect of different concentrations of PARAOXON (as an OP) on the function of SKELETAL MUSCLE and reversal or prevention of these effects by an oxime (pralidoxime, 2-PAM) were studied in CHICKEN biventer cervices nerve-muscle preparation using twitch tension recording technique. For this purpose, twitches of the biventer cervices were evoked by stimulating the motor nerve at 0.1 Hz with pulses of 0.2 msec duration and a voltage of greater than that required to produce maximum response. Twitches and contractures were recorded isotonic ally using Narco Biosystems.Results: The results showed that PARAOXON (0.1 µM) induced a great increase (more than 100%) in the twitch amplitude, while higher concentrations (0.3 and 1 µM) could induce partial or total contractures. In this study, PARAOXON at a concentration of 0.1 µM was used to examine the capability of PRALIDOXIME to reverse or prevent its effects. PRALIDOXIME at doses of 300 and 100 µM almost fully reversed (when it was used as post treatment) or prevented (when it was used as pretreatment or at the same time as toxin) the effect of PARAOXON. hile oxime at doses of 30 and 10 µM could only reverse or reduce this effect to about 25 and 75% respectively, PRALIDOXIME alone had no significant effect on the function of the muscle.Conclusion: These results suggest that this method is of high value in studying the functional effects of OPs on SKELETAL MUSCLE tissues and the reversal effects of antidotes, and PRALIDOXIME by itself can fully reverse such effects.

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APA: Copy

POORHEIDARI, GH.R., KHODAEI, N., & SHAHRIARY, A.. (2006). EVALUATION OF ANTIDOTAL EFFECT OF PRALIDOXIME ON PREVENTION OR REVERSAL OF A PARAOXON- INDUCED INCREASING RESPONSE OF CHICKEN BIVENTER CERVICES TO ELECTRICAL STIMULATION. HAKIM RESEARCH JOURNAL, 9(2), 24-30. SID. https://sid.ir/paper/29201/en

Vancouver: Copy

POORHEIDARI GH.R., KHODAEI N., SHAHRIARY A.. EVALUATION OF ANTIDOTAL EFFECT OF PRALIDOXIME ON PREVENTION OR REVERSAL OF A PARAOXON- INDUCED INCREASING RESPONSE OF CHICKEN BIVENTER CERVICES TO ELECTRICAL STIMULATION. HAKIM RESEARCH JOURNAL[Internet]. 2006;9(2):24-30. Available from: https://sid.ir/paper/29201/en

IEEE: Copy

GH.R. POORHEIDARI, N. KHODAEI, and A. SHAHRIARY, “EVALUATION OF ANTIDOTAL EFFECT OF PRALIDOXIME ON PREVENTION OR REVERSAL OF A PARAOXON- INDUCED INCREASING RESPONSE OF CHICKEN BIVENTER CERVICES TO ELECTRICAL STIMULATION,” HAKIM RESEARCH JOURNAL, vol. 9, no. 2, pp. 24–30, 2006, [Online]. Available: https://sid.ir/paper/29201/en

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