Medical research

RXR, the cell protein that keeps blood stem cells young and fit

The cell protein retinoid X receptor (RXR) is a key factor in the maintenance of hematopoietic stem cells, the immature stem cells that give rise to all the blood cell lineages. RXR ensures that these cells remain youthful ...

Gerontology & Geriatrics

Speeding up bone healing in menopausal females

Older women heal bone fractures slower than men. Now a team has found that a single, localized delivery of estrogen to a fracture can speed up healing in postmenopausal mice. The findings could have implications for the way ...

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