DYNAMICS OF HEAT SHOCK PROTEIN-70 SYNTHESIS IN LUNGS DEPENDS ON THE STAGE OF EXPERIMENTAL RESPIRATORY DISTRESS SYNDROME
https://doi.org/10.15789/1563-0625-2013-4-335-342
Abstract
Abstract. Acute respiratory distress syndrome (ARDS) was reproduced in a rat model, by means of intratracheal instillation of granulocyte lysates (a method protected by Russian patent). Expression of HSP-70 in lung cells was determined by immunohistochemical technique at each ARDS stage. A significant increase of HSP-70 expression by all cell types was revealed during exudative stage, being more intensive in alveolocytes type 1, and less expressed in endothelium. During proliferative stage of the disorder, a decreased HSP-70 expression was noted in all cell populations. At these terms, it proved to be high in neutrophils and alveveolocytes type 1, whereas lower expression was registered in endothelium. At fibrotic stage, HSP-70 synthesis remained at high levels in neutrophils, macrophages, fibroblasts and alveolocytes type 1. Endothelium and alveolocytes type 2 exhibited a recurrent increase at fibrotic stage of ARDS, however it did not reach the values typical to the initial stage of the syndrome.
About the Authors
E. V. Prutkina
Chita State Medical Academy, Chita
Russian Federation
Russian Federation
PhD, Associate Professor, Department of Pathological Physiology
672090, Gorkogo str., 39a. Phone: 7 (3022) 32-18-59. Fax: 7 (3022) 32-30-58
A. V. Sepp
Chita State Medical Academy, Chita
Russian Federation
Russian Federation
PhD, Assistant Professor, Department of Pathological Anatomy
N. N. Tsybikov
Chita State Medical Academy, Chita
Russian Federation
Russian Federation
PhD, MD (Medicine), Professor, Chief, Department of Pathological Physiology
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Review
For citations:
Prutkina E.V., Sepp A.V., Tsybikov N.N. DYNAMICS OF HEAT SHOCK PROTEIN-70 SYNTHESIS IN LUNGS DEPENDS ON THE STAGE OF EXPERIMENTAL RESPIRATORY DISTRESS SYNDROME. Medical Immunology (Russia). 2013;15(4):335-342. (In Russ.) https://doi.org/10.15789/1563-0625-2013-4-335-342
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