Melatonin effect on the regeneration of the flatworm Girardia tigrina

Melatonin effect on the regeneration of the flatworm Girardia tigrina The melatonin effect on the anterior and posterior ends of a free-living flatworm Girardia tigrina was studied, as well as the variability of the mitotic activity of the stem cells (neoblasts) in the anterior and posterior postblasteme. This hormone may inhibit the regeneration of the anterior end of the animal in the physiologic-friendly concentrations of 10−10–10−5 M by suppressing the mitotic activity of the neoblasts. This hormone does not affect the posterior end’s regeneration; thus, its regeneration effect is significantly elective. Russian Journal of Developmental Biology Springer Journals

Melatonin effect on the regeneration of the flatworm Girardia tigrina

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SP MAIK Nauka/Interperiodica
Copyright © 2009 by Pleiades Publishing, Ltd.
Life Sciences; Animal Anatomy / Morphology / Histology; Developmental Biology
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