Researchers uncover new role for mitochondria during RNA processing

Michael Frohman, M.D., Ph.D., Chair of the Department of Pharmacological Sciences at Stony Brook University School of Medicine, and colleagues, have discovered a new role for mitochondria during ribonucleic acid (RNA) processing. ...

Why chemotherapy causes more infertility in women than in men

For a long time a relationship between infertility and chemotherapeutic agents has been assumed. Now, the mechanism has been elucidated. Mainly women are affected because the quality control in the oocytes is different from ...

SFU seeds discovery of mutant gene in chromosomes

Simon Fraser University molecular biologists have discovered a gene whose job is to ensure that chromosomes are correctly distributed during the formation of eggs and sperm in mammals, including humans.

Genes linked to sex ratio and male fertility in mice

One of the more recent trends among parents-to-be is the so-called gender reveal, a party complete with pink or blue cake to answer the burning question, "Is it a boy or girl?" After all, it's presumed that there's a 50-50 ...

Egg meets sperm: The female side of the story

Researchers at the Swedish medical university Karolinska Institutet have been able to describe the 3D structure of a complete egg receptor that binds sperm at the beginning of fertilization. The results, published in the ...

Scientists turn stem cells into precursors for sperm, eggs

Human embryonic stem cells derived from excess IVF embryos may help scientists unlock the mysteries of infertility for other couples struggling to conceive, according to new research from the Stanford University School of ...

Anthropologist examines stigma of infertility in Nigeria

In sub-Saharan Africa, the issue of infertility is often obscured by the region's high fertility rates. Though problematic, particularly for women, little is known about how different regions understand and respond to infertility ...

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