Characteristics of Tumors That Develop in Athymic Mice after Transplantation of Human Malignant CD4+ T-lymphocytes Transformed ex vivo
- Authors: Zhdanov D.D.1,2, Gabasvili A.N.1,3, Gladilina Y.A.1, Grishin D.V.1, Pokrovsky V.S.1,2,4, Pokrovskaya M.V.1, Alexandrova S.S.1, Plyasova A.A.1, Sokolov N.N.1
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Affiliations:
- Institute of Biomedical Chemistry
- Peoples’ Friendship University of Russia
- Vavilov Institute of General Genetics
- N.N. Blokhin Cancer Research Center
- Issue: Vol 13, No 3 (2019)
- Pages: 176-187
- Section: Article
- URL: https://journals.rcsi.science/1990-519X/article/view/212929
- DOI: https://doi.org/10.1134/S1990519X19030118
- ID: 212929
Cite item
Abstract
Normal human CD4+ T-lymphocytes can undergo malignant transformation during prolong cultivation in conditions of high endonuclease G (EndoG) expression or after DNA damage. The aim of this work was to study biochemical and cytogenetic features of transformed ex vivo human malignant CD4+ T- lymphocytes, as well as biochemical and morphological characteristics of tumors that develop in athymic mice after transplantation of these cells. The telomerase activity was higher and telomere length was shorter in tumor cells than in control cells. Transformed malignant cells exhibited a high level of chromosomal aberrations. Expression of genes regulating the cell cycle changed in transformed malignant CD4+ T-lymphocytes and tumor cells. The tumors that developed were classified as multicomponent Т-cell lymphomas and panniculitis-like T-cell lymphomas. Thus, transformed CD4+ T-lymphocytes can generate malignant tumors of various histogenesis.
Keywords
About the authors
D. D. Zhdanov
Institute of Biomedical Chemistry; Peoples’ Friendship University of Russia
Author for correspondence.
Email: zhdanovdd@mail.ru
Russian Federation, Moscow, 119121; Moscow, 117198
A. N. Gabasvili
Institute of Biomedical Chemistry; Vavilov Institute of General Genetics
Email: zhdanovdd@mail.ru
Russian Federation, Moscow, 119121; Moscow, 119991
Y. A. Gladilina
Institute of Biomedical Chemistry
Email: zhdanovdd@mail.ru
Russian Federation, Moscow, 119121
D. V. Grishin
Institute of Biomedical Chemistry
Email: zhdanovdd@mail.ru
Russian Federation, Moscow, 119121
V. S. Pokrovsky
Institute of Biomedical Chemistry; Peoples’ Friendship University of Russia; N.N. Blokhin Cancer Research Center
Email: zhdanovdd@mail.ru
Russian Federation, Moscow, 119121; Moscow, 117198; Moscow, 115478
M. V. Pokrovskaya
Institute of Biomedical Chemistry
Email: zhdanovdd@mail.ru
Russian Federation, Moscow, 119121
S. S. Alexandrova
Institute of Biomedical Chemistry
Email: zhdanovdd@mail.ru
Russian Federation, Moscow, 119121
A. A. Plyasova
Institute of Biomedical Chemistry
Email: zhdanovdd@mail.ru
Russian Federation, Moscow, 119121
N. N. Sokolov
Institute of Biomedical Chemistry
Email: zhdanovdd@mail.ru
Russian Federation, Moscow, 119121