A team of engineers at Monash University in Australia has found that exposing human sperm to ultrasound can cause them to swim faster. In their study, published in the journal Science Advances, the group exposed human semen ...
Researchers led by Meng Wenxiang from the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences have shown that knocking out of the calmodulin-regulated spectrin-associated protein 1 (CAMSAP 1) ...
Cell & Microbiology
Nov 6, 2023
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29
Researchers at Stockholm University have unveiled the hidden intricacies of how sperm go from passive bystanders to dynamic swimmers. This transformation is a pivotal step in the journey to fertilization, and it hinges on ...
Cell & Microbiology
Oct 25, 2023
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1
Scientists have uncovered a superior method of freezing and thawing frog sperm leading to improved sperm quality. Driven by mass declines of frogs worldwide, research into cryopreservation of amphibian sperm has expanded ...
Plants & Animals
May 17, 2023
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3
Researchers at São Paulo State University (UNESP) in Brazil have studied a protein in sperm and discovered two new targets that can be used in combination to develop male contraceptives. The study also demonstrates the feasibility ...
Cell & Microbiology
Feb 16, 2022
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14
If sperm can't swim, life can't go on. And a new study suggests that when evolution hit upon an effective strategy for making sperm move, it stuck with it.
Ecology
Nov 30, 2021
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41
About 120 million unintended pregnancies occurred each year between 2015 and 2019 worldwide. While there are oral contraceptives for women, the development of oral contraceptives for men has not been successful. Now, a team ...
Molecular & Computational biology
Aug 23, 2021
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392
Mammalian sperm cannot fertilize an egg from the get-go. It's an ability acquired only after insemination, during passage through the female reproductive tract, and requires two consecutive, time-sensitive processes to provide ...
Cell & Microbiology
Aug 20, 2021
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415
ETH researchers have found a gene mutation that causes the sperm of boars to immobilize. Their discovery will help pig breeders to exclude animals with this genetic defect from breeding in future.
Plants & Animals
Feb 2, 2021
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34
Achieving pregnancy has been shown to be more likely between partners who carry dissimilar human leucocyte antigen (HLA) immune genes. Accordingly, humans are expected to choose HLA dissimilar reproductive partners. Earlier ...
Evolution
Aug 19, 2020
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124
