November 1994
Volume 35, Issue 12
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Articles  |   November 1994
A transient expression of alpha B-crystallin in the developing rat retinal pigment epithelium.
Author Affiliations
  • S Nishikawa
    Department of Opthalmology, Tohoku University School of Medicine, Sendai.
  • S Ishiguro
    Department of Opthalmology, Tohoku University School of Medicine, Sendai.
  • K Kato
    Department of Opthalmology, Tohoku University School of Medicine, Sendai.
  • M Tamai
    Department of Opthalmology, Tohoku University School of Medicine, Sendai.
Investigative Ophthalmology & Visual Science November 1994, Vol.35, 4159-4164. doi:
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    • Get Citation

      S Nishikawa, S Ishiguro, K Kato, M Tamai; A transient expression of alpha B-crystallin in the developing rat retinal pigment epithelium.. Invest. Ophthalmol. Vis. Sci. 1994;35(12):4159-4164.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

PURPOSE: To investigate the expression of alpha B-crystallin in the developing rat retina by immunohistochemical techniques. METHODS: Rat eyes were enucleated on embryonic day 18 and on postnatal days 1, 4, 9, 15, 19, and 90. The avidin-biotin-peroxidase technique was applied to show alpha B-crystallin immunostaining. After the cornea and lens were removed, the developing rat eyeballs were solubilized by 1% sodium dodecyl sulfate. Western blot analysis and enzyme-linked immunosorbent assay (ELISA) were performed to detect alpha B-crystallin in the extracts. RESULTS: From postnatal day 4 to postnatal day 9, alpha B-crystallin was present in retinal pigment epithelium, but it disappeared after postnatal day 15. alpha A-crystallin immunoreactivity was negative in retina and retinal pigment epithelium throughout development. The results of Western blot analysis and ELISA coincided with those of the immunostaining. CONCLUSIONS: These results show that retinal pigment epithelium in mammalian rat retina demonstrates alpha B-crystallin expression in the early developmental stages but loses it after 15 days of age.

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