dogma Archives - Family Medicine News

Breaking the dogma: Key cell death regulator has more than one way to get the job done

24.12.2019 Health Problems

Scientists at St. Jude Children’s Research Hospital have discovered a new way that the molecule RIPK1 leads to cell death in infected, damaged or unwanted cells showing that more than one mechanism can trigger the process. The findings appeared online today in the Journal of Experimental Medicine. “Our findings break the existing dogma that RIPK1 kinase activity is required for […]

Muscle memory discovery ends ‘use it or lose it’ dogma

25.01.2019 Health Problems

The old adage “use it or lose it” tells us: if you stop using your muscles, they’ll shrink. Until recently, scientists thought this meant that nuclei—the cell control centers that build and maintain muscle fibers—are also lost to sloth. But according to a review published in Frontiers in Physiology, modern lab techniques now allow us to see that nuclei gained […]