“When the epigenome, when the chromatin is closed, we call this heterochromatin, the cell is young, is healthy. When the chromatin is open, it leads to the increase, the loss of buffer capacity, and therefore, disease and aging.”
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More from Juan Carlos Izpisua Belmonte
AssertionPartly supported
Belmonte: Metformin increases cognitive abilities and lifespan in monkeys
“For instance, I just finished, it's not, I think I can say that tomorrow, there will be just one of these molecules that diabetic people take, metformin, to lower down their glucose. They can reprogram the cells so that all the cognitive functions are not just…”
“If we just give a short pulse of these Yamanaka factors, we get this mouse. The mouse still keeps eating because it has the mutation. We haven't corrected. But the mouse now has less fat in the liver and can respond to glucose like a normal A young and healthy…”
Belmonte: Short Yamanaka factor pulses alter chromatin while preserving cell identity
“Rather than having the factors for a long time, we just gave a short pulse. What that is doing is altering the chromatin, but for a very short time, it's a small shock, and then the chromatin gets closed and maintains its identity.”
Belmonte: Exercise creates cellular gene expression changes similar to Yamanaka factor pulses
“We have compared what are the changes in the cell between exercise and the short pulses of Yamanaka factors. And you couldn't believe the similarities in the changes in gene expression that exercise does, and how overlap these changes happen when we do the Yam…”
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