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Information Journal Paper

Title

IN VITRO EFFECT OF LEAD, SILVER, TIN, MERCURY, INDIUM AND BISMUTH ON HUMAN SPERM CREATINE KINASE ACTIVITY: A PRESUMABLE MECHANISM FOR MEN INFERTILITY

Pages

  38-43

Abstract

 Background: The aim of the present study was to investigate the in vitro effects of mercury (Hg+2), lead (Pb+2), silver (Ag+2), tin (Sn+2), bismuth (Bi+3) and indium (In+3) ions on SPERM CREATINE KINASE.Methods: CREATINE KINASE was isolated from human SPERM homogenates after chromatography on a DEAE cellulose column.Results: At 60 mg ml-1 metal concentration, 70% of the CREATINE KINASE activity was inhibited by Hg+2, while at the same concentration, Pb+2, Ag+2, Sn+2, Bi+3 and In+3 caused 68%, 66.5%, 65.7%, 64.7% and 62.7% inhibition, respectively. All six metal ions displayed a competitive type of inhibition mechanism for the isolated CREATINE KINASE as analyzed by Lineweaver-Burk plot. Ki values of Hg+2, Pb+2, Ag+2, Sn+2, Bi+3 and In+3 were calculated and 8.34 mM, 5 mM, 4.54 mM, 3.45 mM, 3.12 mM and 2.63 mM values were obtained, respectively.Conclusion: All the studied metal ions, at levels of 60 mg ml-1, may reduce normal SPERM metabolism by inhibition of SPERM CREATINE KINASE, which probably is an important cause of INFERTILITY in men. However, further investigations, as in vitro and in vivo, are needed to elucidate the exact mechanism of HEAVY METALS on male reproductive functioning at the molecular level.

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    • Cite

    APA: Copy

    GHAFFARI, MOHAMMAD ALI, & MOTLAGH, BEHROOZ. (2011). IN VITRO EFFECT OF LEAD, SILVER, TIN, MERCURY, INDIUM AND BISMUTH ON HUMAN SPERM CREATINE KINASE ACTIVITY: A PRESUMABLE MECHANISM FOR MEN INFERTILITY. IRANIAN BIOMEDICAL JOURNAL, 15(1-2), 38-43. SID. https://sid.ir/paper/277262/en

    Vancouver: Copy

    GHAFFARI MOHAMMAD ALI, MOTLAGH BEHROOZ. IN VITRO EFFECT OF LEAD, SILVER, TIN, MERCURY, INDIUM AND BISMUTH ON HUMAN SPERM CREATINE KINASE ACTIVITY: A PRESUMABLE MECHANISM FOR MEN INFERTILITY. IRANIAN BIOMEDICAL JOURNAL[Internet]. 2011;15(1-2):38-43. Available from: https://sid.ir/paper/277262/en

    IEEE: Copy

    MOHAMMAD ALI GHAFFARI, and BEHROOZ MOTLAGH, “IN VITRO EFFECT OF LEAD, SILVER, TIN, MERCURY, INDIUM AND BISMUTH ON HUMAN SPERM CREATINE KINASE ACTIVITY: A PRESUMABLE MECHANISM FOR MEN INFERTILITY,” IRANIAN BIOMEDICAL JOURNAL, vol. 15, no. 1-2, pp. 38–43, 2011, [Online]. Available: https://sid.ir/paper/277262/en

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