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  • Title: [The comparative characteristics of the effect of retinoic acid on the regeneration of the crystalline lens and the extremity in adult tritons].
    Author: Grigorian EN, Znoĭko SL, Mal'chevskaia IE, Mitashov VI.
    Journal: Izv Akad Nauk SSSR Biol; 1991; (5):726-34. PubMed ID: 1795073.
    Abstract:
    Effect of retinoic acid (RA) on morphogenesis and proliferation of regenerating extremity and lens cells was studied using 3H-thymidine autoradiography and morphometry. The 3H-thymidine incorporation into the inner layer of dorsal and ventral iris was 1.5-3 times reduced by the 8th day following the RA administration. The applied RA dose (0.25 mg per animal) exerted no significant effect on the morphogenesis of regenerating lens with the exception of the case of forming an additional lens from dorsal iris. The RA effect on the regeneration of extremity corresponds to available data of literature and manifests itself in the decelerated regeneration and the appearance of additional structures along the proximodistal axis.
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