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  • Title: [Movement of regenerated lens epithelial cells in 50% galactose cataract and an aldose reductase inhibitor].
    Author: Terubayashi H, Tsuji T, Matumoto Y, Ikebe H, Akagi Y.
    Journal: Nippon Ganka Gakkai Zasshi; 1989 Nov; 93(11):1044-53. PubMed ID: 2513712.
    Abstract:
    In experimental galactose cataract of rats, lens fiber cells were gradually destroyed by swelling and liquefaction occurring due to the accumulation of galactitol. In addition to the destruction of lens fiber cells, marked regeneration of lens epithelial cells was universally observed. In this study, we used the technique of 3H-thymidine autoradiography and examined the movement of regenerated (DNA synthesis) lens epithelial cells. On the fourth day from the starting of 50% galactose chow, 3H-thymidine was injected into the anterior chamber. After one week, 3H-thymidine-labelled epithelial cells was observed at the bow region of the equatorial area. After 2 to 4 weeks, labelled cells were found in the regenerated lens fibers of the cortex. After 3 weeks, labelled cells about to be destroyed by swelling and liquefaction were recognized. However, a few labelled cells were still observed in the epithelial cell layer. The same experiments were performed in two groups of normal chow-fed one and 50% galactose + an aldose reductase inhibitor (Statil)-fed one. The movements of 3H-thymidine labelled epithelial cells in the above two groups were almost identical. In addition, the movement of labelled cells was normalized by an aldose reductase inhibitor.
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