Epitalon increases telomere length in human cell lines through telomerase upregulation or ALT activity.
Level 5 - mechanism / opinion, no new human data
In vitro laboratory study in human cell lines
PubMed 40908429 · doi:10.1007/s10522-025-10315-x
What was done
Normal human epithelial and fibroblast cells along with breast cancer cell lines (21NT and BT474) were treated with epitalon. Telomere length, hTERT mRNA expression, telomerase enzyme activity, and Alternative Lengthening of Telomeres (ALT) pathway activation were analyzed using qPCR and immunofluorescence from extracted cellular DNA, RNA, and proteins.
What was found
Epitalon produced dose-dependent telomere length extension in normal cells through hTERT and telomerase upregulation. In cancer cells, telomere extension occurred through ALT activation, whereas only a minor increase in ALT activity was observed in normal cells. The abstract does not provide specific numerical values, concentrations, or effect sizes.
Why it matters
This study outlines cell-type-specific biomolecular pathways for epitalon, identifying classic telomerase induction in healthy cells and ALT pathway activation in breast cancer lines.
Limits
This is strictly an in vitro laboratory study in cultured cell lines, precluding direct clinical translation to living human physiology or anti-aging efficacy. The abstract reports no quantitative values, dosages, replicates, or statistical test metrics.
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