The phrase 'prolong longevity' is correct and usable in written English
You can use it when speaking about increasing the length of someone's life, especially through making health-related decisions. For example, "By eating a healthy diet and staying active, you can prolong your longevity."
This may be due to the presence of small amounts of resveratrol and pterostilbene, which protect DNA and thus prolong longevity of healthy cells.
Resveratrol, a potent sirtuin activator, can prolong longevity in yeast and metazoans (Wood et al. 2004; Valenzano et al. 2006).
Accordingly, the immune suppressant rapamycin, that affects a subset of responses mediated by PI3K, is the only treatment demonstrated to prolong longevity in mammals [ 31, 32].
Although this will not provide a full alternative for storing at low temperatures, zero oxygen levels may be an additional tool to prolong longevity of stored seeds.
Recent findings demonstrate that maintenance of the heterochromatin may prolong longevity in a variety of organismal aging models, from yeast to humans [ 19, 28, 29].
While this can prolong longevity during early stages of life due to the suppression of tumorigenesis, it may become detrimental in ageing due to the loss of stem and progenitor cells for renewal.
Particularly informative are models with phenotypically accelerated aging or prolonged longevity, engineered transgenic, mutant, and knockout models that focus on a single gene's role, and interventions and environmental manipulations attempting to modulate specific behavioral, anatomic, cellular, or biochemical targets.
JAMA Surgery -- an American Medical Association journal -- recently published a paper reaffirming the benefits of screening colonoscopy, in which the authors wrote: "Compliance to screening colonoscopy guidelines can play an important role in prolonging longevity, improving quality of life, and reducing health care costs through early detection of colon cancer".
The latter also prolongs longevity of the mature cell [ 28].
Caloric restriction prolongs longevity in experimental animals via altering insulin sensitivity.
Our screen for genetic modifiers of Aβ toxicity in the fruit fly brain identified a transposon-like P-element insertion that markedly prolonged longevity.
