The studies were conducted on 2-3-months-old males of
mice weighing 20-24 g. Оur work was to study the functional state of the
organs of the immune system of C57Bl/6 mice after introduction of allogeneic
MSCs of bone marrow origin. Obtaining and cultivating of MSCs were carried
out in a sterile laminar box with compliance of conditions of asepsis and
antiseptics. C57Bl/6 mice bone marrow aspirate cultured in a CO2 incubator at
37 оC and 5 % CO2 in DMEM with 10-15 % of fetal bovine serum, 1 % of
antibiotic-antimycotic solution (Sigma-Aldrich, USA). The following groups of
animals were formed: 1 group – intact (control group); 2 group - animals, to
whom 0.5 ml of 0.9 % NaCl solution (placebo) were injected into the caudal
vein; 3 group – animals, to whom 104 of allogeneic MSCs in 0.5 ml of
phosphate buffer solution were injected into the caudal vein. The weight
index, cellularity of thymus and spleen in C57Bl/6 mice investigated after the
introduction of MSCs. The administration of allogenic mesenchymal stem cells
of the bone marrow origin affects on the central and peripheral organs of the
immune system. Administration of allogenic mesenchymal stem cells cause a
significant increase in the content of lymphoid cells in the thymus at 7 and 18
days by 72 and 39 %, respectively (p < 0.01, p < 0.05) compared to the
control. Administration of allogenic mesenchymal stem cells cause a
significant increase in the weight index of the spleen and its cellularity at the 7
and 18 days of the immune response by 26 and 17 %, respectively (p < 0.01, p
<0.05) compared to the control. the weight index of the spleen and it cellularity
a significant increase at the 7 and 18 days of the immune response by 26 and
17 %, respectively (p < 0.05) compared to the control after administration of
allogenic mesenchymal stem cells.
Keywords: mice, weight index, cellularity,
thymus, spleen,
allogenic mesenchymal stem cells

Повний текст:



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