Reproductive Medicine and Biology

News

20 Oct 2022
An Osaka Metropolitan University researcher has provided a review article regarding INSL3, a circulating hormone secreted from the gonads, in domestic animals, in comparison to rodents and humans. In this review article, the author describes his research group’s work that (1) developed immunoassays, for the first time, that can measure circulating INSL3 in multiple domestic mammals, including cattle, goats, sheep, pigs, horses, and dogs, (2) provided evidence in studies with bulls and bucks that INSL3 offers more reliable and stable values by a single blood collection than testosterone, a conventional and well-known testicular hormone, and (3) suggested that blood INSL3 concentrations would be a good biomarker for testicular and reproductive functions in normal and abnormal male domestic animals. These findings suggest that the INSL3 assay might simplify the evaluation of reproductive functions in various male domestic animals. In particular, the assay method may facilitate earlier selection of valuable male animals such as beef sire bulls (Image) with higher reproductive performance, contributing to reductions in the labor and costs required for sire production.

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