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Telomeres do not naturally “regrow” in the sense of reversing the shortening process without external intervention. However, telomeres can be lengthened artificially through the activation of telomerase, which adds repetitive DNA sequences to the telomere regions. This is typically done in laboratory settings, but telomere regrowth or lengthening does not occur naturally in most somatic cells due to the absence of telomerase activity. In some stem cells and cancer cells, telomerase activity helps maintain telomere length, but in most cells, telomere shortening is a gradual process that leads to cellular aging and senescence.
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BNO Team