AUTHOR=Claro-Linares Fernando , Rojas-RĂ­os Patricia TITLE=PIWI proteins and piRNAs: key regulators of stem cell biology JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2025.1540313 DOI=10.3389/fcell.2025.1540313 ISSN=2296-634X