THE CONCENTRATION EFFECT OF ASCORBATE ON SPERM PARAMETERS IN BULL

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ARABI M.

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Journal: IRANIAN JOURNAL OF BIOLOGY Year:2005 | Volume:18 | Issue:3 Page(s): 191-200

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Title

THE CONCENTRATION EFFECT OF ASCORBATE ON SPERM PARAMETERS IN BULL

Author(s)

ARABI M. | Issue Writer Certificate

Keywords

BULL SPERMQ3

ASCORBATEQ4

PEROXIDATIONQ4

ACROSOME REACTIONQ3

EOSIN TESTQ4

Abstract

Oxygen metabolites as reactive oxygen species (ROS) are considered as major factors in male infertility. In the present investigation, we aimed to study the effect of different concentrations of ASCORBATE/vitamin C (300-2000 micromolar), on membrane integrity, ACROSOME REACTION, and viability of bull (Holstein) spermatozoa in presence of iron (ferrous) ions as lipid PEROXIDATION (LPO) promoter. LPO is one of the manifestations of ROS attack in biological membranes. LPO impinges on membrane integrity, triggers inactivation of membrane bound enzymes which involve in sperm motility. ASCORBATE in concentrations below 1000 micromolar protects spermatozoa from free radical damages as evidenced from improvement in their membrane integrity (data of LPO test), elevated ACROSOME REACTIONs, and increased viability. Concomitantly, there is also witnessed depletion of malondialdehyde (MDA) (an end product of LPO) generation following ASCORBATE supplementation. ASCORBATE at 1000 micromolar concentration and above, however, is not protective, as evidenced by abrupt fall in sperm membrane integrity and rate of ACROSOME REACTIONs and lowered % live sperm cells. Collectively, ASCORBATE acts as a double-edged sward in different concentrations and researchers must keep in mind this negative side of ASCORBATE application in their research fields like in vitro fertilization, cell culture, and preservation of gametes to minimize its deleterious impacts on biological systems.

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References

EFFECT OF NICOTINE ON SPERM OF NORMOSPERMIC MEN: MODULATIONS BY MADE ANTIOXIDANTS

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APA: Copy

ARABI, M.. (2005). THE CONCENTRATION EFFECT OF ASCORBATE ON SPERM PARAMETERS IN BULL. IRANIAN JOURNAL OF BIOLOGY, 18(3), 191-200. SID. https://sid.ir/paper/21353/en

Vancouver: Copy

ARABI M.. THE CONCENTRATION EFFECT OF ASCORBATE ON SPERM PARAMETERS IN BULL. IRANIAN JOURNAL OF BIOLOGY[Internet]. 2005;18(3):191-200. Available from: https://sid.ir/paper/21353/en

IEEE: Copy

M. ARABI, “THE CONCENTRATION EFFECT OF ASCORBATE ON SPERM PARAMETERS IN BULL,” IRANIAN JOURNAL OF BIOLOGY, vol. 18, no. 3, pp. 191–200, 2005, [Online]. Available: https://sid.ir/paper/21353/en

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