volume 6, issue 6, P496-510 2014
DOI: 10.18632/aging.100668
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Maarja Laos, Tommi Anttonen, Anna Kirjavainen, Taija af Hällström, Marikki Laiho, Ulla Pirvola

Abstract: Supporting cells (SCs) of the cochlear (auditory) and vestibular (balance) organs hold promise as a platform for therapeutic regeneration of the sensory hair cells. Prior data have shown proliferative restrictions of adult SCs forced to re-enter the cell cycle. By comparing juvenile and adult SCs in explant cultures, we have here studied how proliferative restrictions are linked with DNA damage signaling. Cyclin D1 overexpression, used to stimulate cell cycle re-entry, triggered higher proliferative activity o…

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