Only last year, she said, Egli and Paull and their colleagues demonstrated that the nuclear transfer of eggs cells could generate patient-specific stem cell lines for potential cell replacement therapy to treat diseases like diabetes.
Two specific types of immune system cell that attack invaders - CD4 T-cells and natural killer cells - increased in number with age, with a higher rate of increase in women than in men.
By 1992 Grotendorst, who had done work at the University of South Florida and is now at the University of Miami, concluded that it was CTGF, not TGF-beta, that triggers collagen production by binding to specific cell receptors.