Monday, May 23, 2022

Turning X chromosome 'off and on again' critical for oocyte development

Researchers have found that a carefully orchestrated act of X-chromosome 'yoyo' predicts the successful and efficient development of mammalian egg cells. The findings could pave the way for generating artificial oocytes in the laboratory, helping researchers study the causes and treatments of infertility disorders and test the impact of drugs and chemicals on women's reproduction.

from Top Health News -- ScienceDaily https://ift.tt/FpAcoIx

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Scientists discover an “impossible” cellular survival pathway that could help fight cancer

Scientists discovered a surprising backup system that lets mammalian cells make the essential amino acid cysteine even when the pathways onc...