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Crocodile sperm against infertility

Valeria Martalòdi Valeria Martalò
in Medicine
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May 5, 2016
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There are many new methods against male infertility. Finally, it seems that crocodile sperm may be useful. That's right: Australian scientists conducted a study on marine crocodiles in which they were able to identify a group of proteins that give sperm the ability to move and recognize eggs, and which are very similar to those found in humans.

Obviously, the factors that cause infertility can be different, and therefore the solutions must be different. But the results of the research conducted by the University of Newcastle (UK) and published in the journal Proceedings of the Royal Society B, they look really positive. «We hope - said Brett Nixon, coordinator of the study - to use the crocodile as model to understand the basic functions of sperm and to see if we can apply this discovery in the treatment of infertility in our species ».

Sperm from various crocodile specimens was collected and used for the tests. The "defects" that lead the sperm to not fertilize the egg are related to the shape (unsuitable to center the egg) or to the vitality. Studying how the sperm of crocodiles works, it will soon be possible to understand how human sperm also works in cases of infertility problems.

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