مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

HISTOLOGICAL AND ELECTROPHYSIOLOGICAL CHANGES IN THE RETINAL PIGMENT EPITHELIUM AFTER INJECTION OF SODIUM IODATE IN THE ORBITAL VENUS PLEXUS OF PIGMENTED RATS

Pages

  70-77

Abstract

 Purpose: To characterize histopathologic and electroretinographic (ERG) changes in the retina of PIGMENTED RATs injected with SODIUM IODATE in order to establish a model of retinal degeneration for future cell therapy studies.Methods: In 50 male PIGMENTED RATs weighing 250‑300 grams, NaIO3 was injected into the left orbital venous plexus at 40 and 60 mg/kg doses (25 eyes in each group). Fourteen rats received phosphate buffered saline (PBS) injection in their left orbital plexus and were considered as the sham‑control group. Histopathologic and ERG studies were performed at baseline and on days 1, 7, 14 and 28 after the injections.Results: Progressive retinal pigment epithelial (RPE) changes were observed from the first day of injection in both the 40 and 60 mg/kg study groups in a dose dependent manner. These changes manifested as loss of melanin pigment and accumulation of lipofuscin in RPE cells with subsequent cell death and patchy loss of RPE cells (in flat mounts), as well as thinning of the outer nuclear layer and later the inner nuclear layer in the succeeding days. ERG showed a progressive and significant decrease in a‑ and b‑ wave amplitudes in both case groups relative to baseline values and the controls (P<0.05).Conclusion: NaIO3 injection into the retrobulbar venous plexus of PIGMENTED RATs can result in significant and progressive damage to the RPE and subsequently to the neuroretina of the injected eye, and may serve as a model of retinal degeneration.

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    APA: Copy

    ABOUTALEB KADKHODAEIAN, HAMID, TIRAIHI, TAKI, DAFTARIAN, NARSIS, AHMADIEH, HAMID, ZIAEI, HOSSEIN, & TAHERI, TAHER. (2016). HISTOLOGICAL AND ELECTROPHYSIOLOGICAL CHANGES IN THE RETINAL PIGMENT EPITHELIUM AFTER INJECTION OF SODIUM IODATE IN THE ORBITAL VENUS PLEXUS OF PIGMENTED RATS. JOURNAL OF OPHTHALMIC AND VISION RESEARCH, 11(1), 70-77. SID. https://sid.ir/paper/311614/en

    Vancouver: Copy

    ABOUTALEB KADKHODAEIAN HAMID, TIRAIHI TAKI, DAFTARIAN NARSIS, AHMADIEH HAMID, ZIAEI HOSSEIN, TAHERI TAHER. HISTOLOGICAL AND ELECTROPHYSIOLOGICAL CHANGES IN THE RETINAL PIGMENT EPITHELIUM AFTER INJECTION OF SODIUM IODATE IN THE ORBITAL VENUS PLEXUS OF PIGMENTED RATS. JOURNAL OF OPHTHALMIC AND VISION RESEARCH[Internet]. 2016;11(1):70-77. Available from: https://sid.ir/paper/311614/en

    IEEE: Copy

    HAMID ABOUTALEB KADKHODAEIAN, TAKI TIRAIHI, NARSIS DAFTARIAN, HAMID AHMADIEH, HOSSEIN ZIAEI, and TAHER TAHERI, “HISTOLOGICAL AND ELECTROPHYSIOLOGICAL CHANGES IN THE RETINAL PIGMENT EPITHELIUM AFTER INJECTION OF SODIUM IODATE IN THE ORBITAL VENUS PLEXUS OF PIGMENTED RATS,” JOURNAL OF OPHTHALMIC AND VISION RESEARCH, vol. 11, no. 1, pp. 70–77, 2016, [Online]. Available: https://sid.ir/paper/311614/en

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