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Tag: "activates" at medical news

The route to fertilization

...ide the egg about 30 seconds later. Calcium then activates nitric oxide synthase already present in the egg, producing more nitric oxide gas, which in turn causes the release of more calcium throughout the egg. In the 1970s, Epel and other researchers showed that calcium is the essential factor that sparks d...

Why skin sags

...h pallor compared to non-smokers. "Smoking tobacco activates this enzyme that breaks down the skin collagen.For smokers, middle-age starts in their early 30s as the tell-tale wrinkles around the mouth and eyes begin to appear. Young female smokers are likely to be wasting money on anti-ageing face creams if th...

A novel augmentation

...ds of cell. Dr Asashima said a lower concentration activates a set of genes producing bundles of cells like eyes, while a higher concentration activates genes producing ears. In a similar but simpler procedure, the researcher said he had previously gr...

New treatment for Osteoporosis

...hat when oestrogen binds to receptors in cells, it activates a signal that changes the gene expression. The team found that in bone cells, oestrogen can also trigger a signal preventing the cells from dying thereby prolonging their lives and keeping the bones strong. This signal acts directly, much faster th...

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