EFFECT OF L-ARGININE ON NEUROMUSCULAR TRANSMISSION OF THE CHICK BIVENTER CERVICIS MUSCLE

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FARZIN D.; ASAD ZADEH VOSTA KALAEI S.; TESHFAM M.; ESFANDIARI B.

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Journal: Journal of Mazandaran University of Medical Sciences Year:2008 | Volume:18 | Issue:64 Page(s): 11-21

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Title

EFFECT OF L-ARGININE ON NEUROMUSCULAR TRANSMISSION OF THE CHICK BIVENTER CERVICIS MUSCLE

Author(s)

FARZIN D. | ASAD ZADEH VOSTA KALAEI S. | TESHFAM M. | ESFANDIARI B. | Issue Writer Certificate

Keywords

L-ARGININEQ3

NITRIC OXIDEQ2

SKELETAL MUSCLEQ2

CHICKQ3

Abstract

Background and Purpose: NO is a short-lived gas molecule generated by degradation of L-arg to coralline and by the activation of enzyme NOS Ca2+/calmodulin-dependent. There are multiple NOS is forms that strongly are expressed in SKELETAL MUSCLE, suggesting the crucial role of NO in regulating muscular metabolism and function. In this study, the effect of L-ARGININE was examined at the neuromuscular junction of the CHICK biventer cervicis muscle.Materials and Methods: Biventer cervicis muscle preparations from CHICK's age of 3 weeks were set up in the organ bath. The organ bath had a vessel with volume of about 70 ml; it contained Tyrode solution aerated with oxygen and was kept at 37°C. NO levels was also measured in the CHICK biventer cervicis muscle homogenates, using spectrophotometer method for the direct detection of NO, nitrite and nitrate. Total nitrite (nitrite+nitrate) was measured by a spectrophotometer at 540 nm after the conversion of nitrate to nitrite by copperized cadmium granules.Results: L-ARGININE at 500 mg/ml, decreased twitch response to electrical stimulation, and produced rightward shift of the dose-response curve for acetylcholine or carbachol. L-ARGININE at 1000 mg/ml produced a strong shift to the right of the dose-response curve for acetylcholine or carbachol with a reduction in efficacy. The inhibitory effect of L-ARGININE on the twitch response was blocked by caffeine (200 mg/ml). NO levels were found to be significantly increased in concentrations 500 and 1000 mg/ml of L-argentine in comparison with the control group (p < 0.001).Conclusion: These findings indicate a possible role of increased NO levels in the suppressive action of L-arginie on the twitch response. In addition, the results indicate that the post-junction antagonistic action of L-ARGININE is probably the result of impaired sarcoplasmic reticulum (SR) Ca2+ release.

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APA: Copy

FARZIN, D., ASAD ZADEH VOSTA KALAEI, S., TESHFAM, M., & ESFANDIARI, B.. (2008). EFFECT OF L-ARGININE ON NEUROMUSCULAR TRANSMISSION OF THE CHICK BIVENTER CERVICIS MUSCLE. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 18(64), 11-21. SID. https://sid.ir/paper/44444/en

Vancouver: Copy

FARZIN D., ASAD ZADEH VOSTA KALAEI S., TESHFAM M., ESFANDIARI B.. EFFECT OF L-ARGININE ON NEUROMUSCULAR TRANSMISSION OF THE CHICK BIVENTER CERVICIS MUSCLE. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2008;18(64):11-21. Available from: https://sid.ir/paper/44444/en

IEEE: Copy

D. FARZIN, S. ASAD ZADEH VOSTA KALAEI, M. TESHFAM, and B. ESFANDIARI, “EFFECT OF L-ARGININE ON NEUROMUSCULAR TRANSMISSION OF THE CHICK BIVENTER CERVICIS MUSCLE,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 18, no. 64, pp. 11–21, 2008, [Online]. Available: https://sid.ir/paper/44444/en

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