Expression of Beclin-1 and LAMP-2 in Rat Hippocampus under Conditions of Simulated Gravity Overload in the Caudocranial Vector
- Authors: Smirnov A.1,2, Mednikov D.S.1, Shmidt M.V.1,2, Kurkin D.V.3, Bakulin D.A.3, Volotova E.V.3, Tyurenkov I.N.3
-
Affiliations:
- Department of Pathological Anatomy
- Volgograd Medical Research Center
- Department of Pharmacology and Biopharmaceutics, Doctor Improvement Faculty, Volgograd State Medical University
- Issue: Vol 165, No 1 (2018)
- Pages: 105-109
- Section: Morphology and Pathomorphology
- URL: https://journals.rcsi.science/0007-4888/article/view/240030
- DOI: https://doi.org/10.1007/s10517-018-4109-7
- ID: 240030
Cite item
Abstract
Structural changes in the rat hippocampus in response to chronic cerebrovascular disorders induced by gravity exposure in the caudocranial vector were studied. Qualitative and quantitative morphological analysis detected significant cytoarchitectonic changes in the pyramidal layer: spongiosis, manifest pericellular and perivascular edema, and a drastic increase in the counts of pyramidal neurons with signs of impairment in all hippocampal zones. The density of perikarya in the pyramidal layer decreased. Immunohistochemical study detected high expression of Beclin-1 in CA1 field. High expression of LAMP-2 was detected in CA4 field. Field CA2 was characterized by the maximum counts of damaged cells and high expression of Beclin-1 and LAMP-2.
About the authors
A.V. Smirnov
Department of Pathological Anatomy; Volgograd Medical Research Center
Email: mednikov1988@gmail.com
Russian Federation, Volgograd; Volgograd
D. S. Mednikov
Department of Pathological Anatomy
Author for correspondence.
Email: mednikov1988@gmail.com
Russian Federation, Volgograd
M. V. Shmidt
Department of Pathological Anatomy; Volgograd Medical Research Center
Email: mednikov1988@gmail.com
Russian Federation, Volgograd; Volgograd
D. V. Kurkin
Department of Pharmacology and Biopharmaceutics, Doctor Improvement Faculty, Volgograd State Medical University
Email: mednikov1988@gmail.com
Russian Federation, Volgograd
D. A. Bakulin
Department of Pharmacology and Biopharmaceutics, Doctor Improvement Faculty, Volgograd State Medical University
Email: mednikov1988@gmail.com
Russian Federation, Volgograd
E. V. Volotova
Department of Pharmacology and Biopharmaceutics, Doctor Improvement Faculty, Volgograd State Medical University
Email: mednikov1988@gmail.com
Russian Federation, Volgograd
I. N. Tyurenkov
Department of Pharmacology and Biopharmaceutics, Doctor Improvement Faculty, Volgograd State Medical University
Email: mednikov1988@gmail.com
Russian Federation, Volgograd