Please use this identifier to cite or link to this item: http://hdl.handle.net/10995/103102
Title: Insulin-positive cells in liver and exocrine part of pancreas in animals with experimental diabetes mellitus
Инсулин-позитивные клетки печени и экзокринной части поджелудочной железы у животных с экспериментальным сахарным диабетом
Authors: Baykenova, Madina, B.
Chereshnev, Valeriy, A.
Sokolova, Ksenia, V.
Gette, Irina, F.
Emelianov, Victor, V.
Danilova, Irina, G.
Issue Date: 2020
Publisher: Siberian State Medical University
Citation: Insulin-positive cells in liver and exocrine part of pancreas in animals with experimental diabetes mellitus / M. B. Baykenova, V. A. Chereshnev, K. V. Sokolova, et al. — DOI 10.20538/1682-0363-2020-4-6-13 // Bulletin of Siberian Medicine. — 2020. — Vol. 19. — Iss. 4. — P. 6-13.
Abstract: Aim. To compare the number of insulin+ cells in the liver and exocrine part of the pancreas with the type of experimental diabetes, blood glycose and glycated hemoglobin (HbA1c) level and with the number of Pdx1+ cells. Materials and methods. The experiment was carried out on 25 male Wistar rats (weighting (303.0 ± 25.3) g) that were divided into 3 groups: The first group consisted of intact animals, the second had animals with experimental diabetes type 1, and the third with animals with experimental diabetes type 2. Biochemical, immunohistochemical, ELISA methods and statistical analysis were used. Results. Insulin+ and Pdx1+ cells of rats with experimental diabetes were found in the liver and exocrine part of pancreas. The highest number of insulin+ cells in the liver was detected in type 2 diabetes (T2D). A strong positive correlation between the number of insulin+ cells in the liver and level of glycosylated hemoglobin in theblood was revealed in both type 1 and type 2 diabetes. Conclusion. Insulin+ cells are detected in the liver and acinar part of pancreas of both intact rats and rats with experimental diabetes. Group with T2D is characterized by the highest number of insulin+ cells in the liver compared with type 1 diabetes (T1D). The localization of insulin+ cells in the liver changes depending on the type of diabetes. In T2D insulin+ cells are located in all parts of liver acini, meanwhile in animals with T1D such cells are mainly detected in the periportal area. The expression of Pdx1+ in acinar cells of pancreas and liver cells is likely a mechanism for their reprogramming into insulin+ cells in experimental diabetes mellitus. © 2020 Siberian State Medical University. All rights reserved.
Keywords: DIABETES MELLITUS
INSULIN+ CELLS
LIVER
PANCREAS
PDX1+ CELLS
URI: http://hdl.handle.net/10995/103102
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85100488317
PURE ID: 20520639
ISSN: 16820363
DOI: 10.20538/1682-0363-2020-4-6-13
metadata.dc.description.sponsorship: This work was financially supported by the Russian Science Foundation, grant No. 16-1500039-P and the budget project No. АААА-А18-118020590108-7 of the Institute of Immunology and Physiology, UB RAS.
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