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[Vitamin B12 is a diagnostic marker of decreased men reproductive function].

Authors:
A F Ishtulin N V Korotkova I V Matveeva I V Minaev P M Polyakova

Biomed Khim 2022 Jun;68(3):228-231

Academician I.P. Pavlov Ryazan State Medical University, Ryazan, Russia.

Although the relationship between the amount of vitamin B12 and the quality of sperm exists, but results are controversial and require several additional research. The objective of our study was to analyse the amount of vitamin B12 in the sperm samples from patients with chronic prostatitis and varicocele with accompanying asthenozoospermia, and to identify the relationship between the amount of vitamin B12 and asthenozoospermia. The research was carried out of men with chronic prostatitis and varicocele with accompanying asthenozoospermia and infertility at the age of 27±2 years. The material of the investigation was spermoplasm. A chemical microscopic examination of the ejaculate was carried out with a sperm analyzer and with the light microscopy. The amount of vitamin B12 in the spermoplasm was determined by the method of competitive ELISA. It was found that the level of vitamin B12 was 3.6 times lower in patients with chronic prostatitis III B and asthenozoospermia then in the control group. Among patients with varicocele of II and III grade and asthenozoospermia, the level of vitamin B12 was 4.4 times lower than in control group. A positive correlation relationship of average strength was revealed (r=0,683; p=0,001). Additionally, it was revealed that among patients with Chronic prostatitis III B and varicocele of II and III grades with accompanying asthenozoospermia, there was the positive correlation relationship of average strength (r=0,690; p=0,001) between the amount of vitamin B12 and sperm mobility. A decrease in vitamin B12 levels may serve as a marker of reproductive dysfunction in men.

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http://dx.doi.org/10.18097/PBMC20226803228DOI Listing
June 2022

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