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Proceedings Paper

Protein and immunohistochemical analysis after high-energy pulse-repetitive Nd:YAG laser impact on the rabbit lens
Author(s): Victor V. Lazo; Helen P. Makarenkova; Ernest V. Boiko
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Paper Abstract

The purpose of the current study was to identify products of protein degradation and immunohistochemical changes of proteins distribution after high energy laser application. The rabbit lenses were irradiated in vivo with pulse-repetitive (F equals 50 Hz, (tau) im equals 250 microsecond(s) , Paver equals 10 W) 1.06 (mu) km wavelength laser radiation. Sodium dodecyl sulfate polyacrilamide electrophoresis of lens proteins following laser treatment showed decrease of 30 and 27 kDa molecular weight polypeptides in soluble fraction, loss of 70 kDa and decrease of 26 kDa molecular weight polypeptides in the insoluble fraction. New high molecular weight proteins in insoluble fraction were observed. Using the anti-MP70 monoclonal antibodies for immunofluorescence microscopy MP70 membrane junctional protein distribution after the laser cataract formation has been studied. Immunofluorescence experiments revealed an abundance of MP70 antigen in the normal lens outer cortex. No labeling after the laser impact in outer cortex and nucleus was found.

Paper Details

Date Published: 17 August 1994
PDF: 5 pages
Proc. SPIE 2134, Laser-Tissue Interaction V; and Ultraviolet Radiation Hazards, (17 August 1994); doi: 10.1117/12.182966
Show Author Affiliations
Victor V. Lazo, S.I. Vavilov State Optical Institute (Russia)
Helen P. Makarenkova, Institute of Cytology (Russia)
Ernest V. Boiko, Military Medical Academy (Russia)


Published in SPIE Proceedings Vol. 2134:
Laser-Tissue Interaction V; and Ultraviolet Radiation Hazards
Steven L. Jacques; David H. Sliney; Michael Belkin, Editor(s)

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