Presence of ribonucleic acid in human spermatozoa: differences in content between normal and abnormal spermatozoa

Article Abstract:

Abnormal sperm have greater amounts of ribonucleic acid compared to normal sperm, according to a study of 10 abnormal sperm samples and 16 normal sperm samples. An abnormality in the conversion of RNA to proteins might cause some types of male infertility.

RNA, Infertility, Male, Male infertility

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Platelet-activating factor improves intrauterine insemination

Article Abstract:

Mixing sperm samples with platelet activating factor may improve pregnancy rates in couples who have artificial insemination. This growth factor increases sperm movement and doubled the pregnancy rate in a study of 20 couples.

Research, Platelet activating factor, Artificial insemination

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Identification of estrogen receptor protein and messenger ribonucleic acid in human spermatozoa

Article Abstract:

Human spermatozoa appear to have an estrogen receptor, which explains how they can react quickly to estrogen in the female genital tract. Research has shown that estrogen increases sperm motility, metabolism, longevity and egg penetration. Researchers used immunohistochemistry with antibodies against the human estrogen receptor to identify estrogen receptors on spermatozoa. RNA encoding the estrogen receptor was also found.

Estrogen, Estrogen receptors

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