Upon injury, these quiescent satellite cells are reactivated and begin to proliferate.
If something goes wrong with the immune system years or decades later -- something as serious as cancer or AIDS, or as common and subtle as the normal changes in immunity that occur with aging -- the chickenpox virus can reactivate in a cluster of nerve cells and begin to reproduce again, heading back out along delicate branching filaments of the nerves to the skin.
However, the high prices have provided an incentive to begin or reactivate several rare earth mining projects around the world, including the United States, Australia, Vietnam, and Kazakhstan.
"A visible, clinical metastasis — the kind that we can detect with CAT scans or MRIs — must only occur once a dormant cell has been reactivated and begins to divide," he said.
After the war, Kappa Kappa Psi began an ambitious expansion program to reactivate old chapters and install new ones.
Interestingly, data are beginning to accumulate supporting the notion that viruses may reactivate in immunocompetent patients during times of critical illness, and this reactivation seems to be associated with worse clinical outcomes, including mortality [ 6, 7].
In the next few weeks, it will begin contacting former subscribers and offering them the opportunity to reactivate their memberships.
Neuroblasts reactivate asynchronously, but by the end of the second larval instar, all neuroblasts have fully enlarged and begun to proliferate (Truman and Bate, 1988; Figure 1C).
Cancer cells need to reactivate the telomerase gene, or their telomeres will get steadily shorter, forcing them into senescence.
It wanted to reactivate Pan World Investments.
