Рathomorphological features of corneal regeneration in experimentally induced dystrophy against the background of intrastromal administration of autologous mononuclear leukocytes

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Abstract


The purpose of research is study the features of the flow of reparative regeneration of the cornea in an experiment in vivo with induced bullous keratopathy after the introduction of a suspension of autologous mononuclear leukocytes in the posterior third of the corneal stroma. Materials and methods. The experiment was performed on 27 chinchilla rabbits (27 eyes). At the first stage of the experiment all animals were reproduced the model of corneal bullous keratopathy by mechanical damage and removal of its endothelial layer. At the second stage, 2 weeks after the development of the disease, the animals were divided, depending on the planned treatment, into 2 groups: the main, 12 animals once in the back third of the corneal stroma were administered a suspension of autologous mononuclear leukocytes; comparisons, 12 animals were treated by conservative therapy. Results. Reproduction of in vivo bullous keratopathy of the cornea by mechanical damage and removal of its endothelial layer is accompanied by rapid (within 2 weeks) the development of the disease with diffuse hydropic degeneration of the anterior epithelium, marked edema of the stroma with the bundle of collagen fibers. On the experimental model of the bullous keratopathy of cornea it was found that the introduction of a suspension of autologous mononuclear leukocytes in the posterior third of the corneal stroma in the treatment of the disease provides rapid (1.5 times) dehydration of the stroma, reduces the number of dystrophic cells in the anterior epithelium by 1.2 times compared with conservative treatment. The period of restoration of the normal thickness of the corneal slice in animals of the main group is reduced by 1.4 times. The conclusion. The introduction of autologous mononuclear leukocytes suspension into the posterior third of the corneal stroma in the treatment of experimental bullous keratopathy of cornea induces reparative regeneration, accelerating the restoration of damaged corneal structures and preventing its neovascularization.

M S Denisko

Siberian State Medical University

O I Krivosheina

Siberian State Medical University

E O Filippova

Siberian State Medical University

L R Mustafina

Siberian State Medical University

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Copyright (c) 2018 Denisko M.S., Krivosheina O.I., Filippova E.O., Mustafina L.R.

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