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Solomatina ES, Nishkomaeva EN, Kovaleva AV, Tvorogova AV, Potashnikova DM, Saidova AA. Parameters of Cell Death and Proliferation of Prostate Cancer Cells with Altered Expression of Myosin 1C Isoforms. DOKL BIOCHEM BIOPHYS 2024; 514:16-22. [PMID: 38189886 PMCID: PMC11021239 DOI: 10.1134/s1607672923700588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 10/17/2023] [Accepted: 10/17/2023] [Indexed: 01/09/2024]
Abstract
Myosin 1C is a monomeric myosin motor with a truncated tail domain. Such motors are referred as slow "tension sensors." Three isoforms of myosin 1C differ in short N-termed amino acid sequences, the functional differences between isoforms have not been elucidated. Myosin 1C isoform A was described as a diagnostic marker for prostate cancer, but its role in tumor transformation remains unknown. Based on data on the functions of myosin 1C, we hypothesized the potential role of myosin 1C isoforms in maintaining the tumor phenotype of prostate cancer cells. In our work, we showed that a decrease in the expression level of myosin 1C isoform C leads to an increase in the proliferative activity of prostate tumor cells.
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Affiliation(s)
- E S Solomatina
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - E N Nishkomaeva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - A V Kovaleva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
- Faculty of Biology, Moscow State University, Moscow, Russia
| | - A V Tvorogova
- Belozersky Research Institute of Physico-Chemical Biology, Moscow State University, Moscow, Russia
| | - D M Potashnikova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - A A Saidova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.
- Faculty of Biology, Moscow State University, Moscow, Russia.
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Fasler-Kan E, Aliu N, Haecker FM, Maltsev N, Ruggiero S, Cholewa D, Bartenstein A, Milošević M, Berger SM. Chromosomal Heterogeneity of the G-401 Rhabdoid Tumor Cell Line: Unusual Partial 7p Trisomy. Front Med (Lausanne) 2019; 6:187. [PMID: 31544104 PMCID: PMC6729120 DOI: 10.3389/fmed.2019.00187] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 08/05/2019] [Indexed: 11/18/2022] Open
Abstract
Rhabdoid tumor is a very aggressive and hardly curable pediatric malignancy. It commonly starts in the kidneys but also can occur in the brain, liver, and other organs. The treatment of this tumor usually involves a combination of surgery, radiation, and chemotherapy. Because this tumor is rare, there is still limited experience with a defined standard of care. Cytogenetic analysis is an important routine method to monitor chromosomal aberrations. We have analyzed metaphases of the G-401 rhabdoid tumor cell line. In these cells we have observed metaphases with derivative chromosome 12 arising from partial trisomy 7p. With increasing passage number the numbers of metaphases having this derivative chromosome 12 were found to be higher. In passage number 2 only one metaphase had this pathological chromosome 12. By passage number 10 and passage number 15 about 25 and 95% of this derivative chromosome 12 were found, respectively. We were able to subclone G-401 cells by limiting dilutions and successfully separated cells having apparently normal karyotypes from cells having derivative chromosome 12. Using the cell proliferation assay we showed that clones possessing the derivative chromosome 12 grew more rapidly than clones with normal chromosomes. The cell cycle analysis confirmed this observation. Overall, in this study we describe for the first time a 7p triplication in a rare rhabdoid tumor of kidney. Both types of clones described in this study could be used as a preclinical model to study the involvement of partial chromosome 7 alterations in the development of rhabdoid tumors.
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Affiliation(s)
- Elizaveta Fasler-Kan
- Department of Pediatric Surgery, Children's Hospital, Inselspital, University of Bern, Bern, Switzerland.,Department of Biomedical Research, University of Bern, Bern, Switzerland.,Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland
| | - Nijas Aliu
- Department of Human Genetics, University Children's Hospital, Inselspital, Bern, Switzerland
| | - Frank-Martin Haecker
- Department of Pediatric Surgery, Children's Hospital of Eastern Switzerland, St. Gallen, Switzerland.,Faculty of Medicine, University of Basel, Basel, Switzerland
| | - Natalia Maltsev
- Department of Human Genetics and USA Computation Institute, University of Chicago, Chicago, IL, United States
| | - Sabrina Ruggiero
- Department of Pediatric Surgery, Children's Hospital, Inselspital, University of Bern, Bern, Switzerland.,Department of Biomedical Research, University of Bern, Bern, Switzerland
| | - Dietmar Cholewa
- Department of Pediatric Surgery, Children's Hospital, Inselspital, University of Bern, Bern, Switzerland.,Department of Biomedical Research, University of Bern, Bern, Switzerland
| | - Andreas Bartenstein
- Department of Pediatric Surgery, Children's Hospital, Inselspital, University of Bern, Bern, Switzerland.,Department of Biomedical Research, University of Bern, Bern, Switzerland
| | - Milan Milošević
- Department of Pediatric Surgery, Children's Hospital, Inselspital, University of Bern, Bern, Switzerland.,Department of Biomedical Research, University of Bern, Bern, Switzerland
| | - Steffen M Berger
- Department of Pediatric Surgery, Children's Hospital, Inselspital, University of Bern, Bern, Switzerland.,Department of Biomedical Research, University of Bern, Bern, Switzerland
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Potashnikova DM, Saidova AA, Tvorogova AV, Sheval EV, Vorobjev IA. Non-linear Dose Response of Lymphocyte Cell Lines to Microtubule Inhibitors. Front Pharmacol 2019; 10:436. [PMID: 31068822 PMCID: PMC6491834 DOI: 10.3389/fphar.2019.00436] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 04/05/2019] [Indexed: 12/13/2022] Open
Abstract
Microtubule (MT) inhibitors show anti-cancer activity in a wide range of tumors in vitro and demonstrate high clinical efficacy. To date they are routinely included into many chemotherapeutic regimens. While the mechanisms of MT inhibitors’ interactions with tubulin have been well-established, the relationship between their concentration and effect on neoplastic cells is not completely understood. The common notion is that tumor cells are most vulnerable during division and all MT inhibitors block them in mitosis and induce mitotic checkpoint-associated cell death. At the same time multiple evidence of more subtle effects of lower doses of MT inhibitors on cell physiology exist. The extent of efficacy of the low-dose MT inhibitor treatment and the mechanisms of resulting cell death currently present a critical issue in oncology. The prospect of MT inhibitor dose reduction is promising as protocols at higher concentration have multiple side effects. We assessed cell cycle changes and cell death induced by MT inhibitors (paclitaxel, nocodazole, and vinorelbine) on human lymphoid B-cell lines in a broad concentration range. All inhibitors had similar accumulation effects and demonstrated “trigger” concentrations that induce cell accumulation in G2/M phase. Concentrations slightly below the “trigger” promoted cell accumulation in sub-G1 phase. Multi-label analysis of live cells showed that the sub-G1 population is heterogeneous and may include cells that are still viable after 24 h of treatment. Effects observed were similar for cells expressing Tat-protein. Thus cell cycle progression and cell death are differentially affected by high and low MT inhibitor concentrations.
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Affiliation(s)
- Daria M Potashnikova
- Department of Cell Biology and Histology, School of Biology, M.V. Lomonosov Moscow State University, Moscow, Russia.,Laboratory of Atherothrombosis, Moscow State University of Medicine and Dentistry, Moscow, Russia
| | - Aleena A Saidova
- Department of Cell Biology and Histology, School of Biology, M.V. Lomonosov Moscow State University, Moscow, Russia.,Department of Cell Biotechnology, Center of Experimental Embryology and Reproductive Biotechnology, Moscow, Russia
| | - Anna V Tvorogova
- Department of Cell Biotechnology, Center of Experimental Embryology and Reproductive Biotechnology, Moscow, Russia.,A.N. Belozersky Institute of Physico-Chemical Biology, M.V. Lomonosov Moscow State University, Moscow, Russia
| | - Eugene V Sheval
- A.N. Belozersky Institute of Physico-Chemical Biology, M.V. Lomonosov Moscow State University, Moscow, Russia
| | - Ivan A Vorobjev
- Department of Cell Biology and Histology, School of Biology, M.V. Lomonosov Moscow State University, Moscow, Russia.,A.N. Belozersky Institute of Physico-Chemical Biology, M.V. Lomonosov Moscow State University, Moscow, Russia.,Department of Biology, School of Science and Technology, Nazarbayev University, Astana, Kazakhstan
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