TRIM28 Is a Novel Regulator of CD133 Expression Associated with Cancer Stem Cell Phenotype

Kim, Y.S.; Potashnikova, D.M.; Gisina, A.M.; Kholodenko, I.V.; Kopylov, A.T.; Tikhonova, O.V.; Kurbatov, L.K.; Saidova, A.A.; Tvorogova, A.V.; Kholodenko, R.V.; Belousov, P.V.; Vorobjev, I.A.; Zgoda, V.G.; Yarygin, K.N.; Lupatov, A.Y.

Авторы: Kim Yan S., Potashnikova Daria M., Gisina Alisa M., Kholodenko Irina V., Kopylov Arthur T., Tikhonova Olga V., Kurbatov Leonid K., Saidova Aleena A., Tvorogova Anna V., Kholodenko Roman V., Belousov Pavel V., Vorobjev Ivan A., Zgoda Victor G., Yarygin Konstantin N., Lupatov Alexey Yu
Журнал: International Journal of Molecular Sciences
Том: 23
Номер: 17
Год издания: 2022
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
Первая страница: 9874
DOI: 10.3390/ijms23179874
Аннотация: CD133 is an extensively studied marker of the most malignant tumor cell population, designated as cancer stem cells (CSCs). However, the function of this glycoprotein and its involvement in cell regulatory cascades are still poorly understood. Here we show a positive correlation between the level of CD133 plasma membrane expression and the proliferative activity of cells of the Caco-2, HT-29, and HUH7 cancer cell lines. Despite a substantial difference in the proliferative activities of cell populations with different levels of CD133 expression, transcriptomic and proteomic profiling revealed only minor distinctions between them. Nonetheless, a further in silico assessment of the differentially expressed transcripts and proteins revealed 16 proteins that could be involved in the regulation of CD133 expression; these were assigned ranks reflecting the apparent extent of their involvement. Among them, the TRIM28 transcription factor had the highest rank. The prominent role of TRIM28 in CD133 expression modulation was confirmed experimentally in the Caco2 cell line clones: the knockout, though not the knockdown, of the TRIM28 gene downregulated CD133. These results for the first time highlight an important role of the TRIM28 transcription factor in the regulation of CD133-associated cancer cell heterogeneity.
Добавил в систему: Поташникова Дарья Марковна

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TRIM28 Is a Novel Regulator of CD133 Expression Associated with Cancer Stem Cell Phenotypeстатья