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Ritter GS, Dolgova EV, Petrova DD, Efremov YR, Proskurina AS, Potter EA, Ruzanova VS, Kirikovich SS, Levites EV, Taranov OS, Ostanin AA, Chernykh ER, Kolchanov NA, Bogachev SS. The new general biological property of stem-like tumor cells Part I. Peculiarities of the process of the double-stranded DNA fragments internalization into stem-like tumor cells. Front Genet 2022; 13:954395. [PMID: 36159968 PMCID: PMC9492886 DOI: 10.3389/fgene.2022.954395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 08/15/2022] [Indexed: 11/19/2022] Open
Abstract
Stem-like tumor cells of ascites carcinoma Krebs-2 and Epstein-Barr virus-induced B-lymphoma were shown to possess the innate capability of binding and internalizing the TAMRA-labeled double-stranded DNA (dsDNA) probe. The process of binding and internalizing is rather complicated and composed of the following successive stages: 1) initiating electrostatic interaction and contact of a negatively charged dsDNA molecule with a positively charged molecule(s) on the surface of a stem-like tumor cell; 2) binding of the dsDNA probe to a tumor stem cell surface protein(s) via the formation of a strong chemical/molecular bond; and 3) the very internalization of dsDNA into the cell. Binding of DNA to cell surface proteins is determined by the presence of heparin/polyanion-binding sites within the protein structure, which can be competitively blocked by heparin and/or dextran sulfate, wherein heparin blocks only the binding, while dextran sulfate abrogates both binding and internalization. The abrogation of internalization by dextran sulfate implies the role of scavenger receptors in this process. Cells were shown to uptake DNA in amounts constituting ∼0.008% of the haploid genome. Inhibitors of caveolae-dependent internalization abrogate the DNA uptake in Krebs-2 cells, and inhibitors of the clathrin/caveolar mechanism block the internalization in B-lymphoma cells. In the present report, it is shown for the first time that in contrast to the majority of committed tumor cells, stem-like tumor cells of Krebs-2 and B-lymphoma carry a general positive charge on their surface.
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Affiliation(s)
- Genrikh S. Ritter
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Evgeniya V. Dolgova
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Daria D. Petrova
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Yaroslav R. Efremov
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
- Novosibirsk National Research State University, Novosibirsk, Russia
| | - Anastasia S. Proskurina
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Ekaterina A. Potter
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Vera S. Ruzanova
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
- Novosibirsk National Research State University, Novosibirsk, Russia
| | - Svetlana S. Kirikovich
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Evgeniy V. Levites
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Oleg S. Taranov
- State Research Center of Virology and Biotechnology “Vector”, Koltsovo, Russia
| | - Alexandr A. Ostanin
- Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Elena R. Chernykh
- Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Nikolay A. Kolchanov
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Sergey S. Bogachev
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
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Dolgova EV, Kirikovich SS, Levites EV, Ruzanova VS, Proskurina AS, Ritter GS, Taranov OS, Varaksin NA, Ryabicheva TG, Leplina OY, Ostanin AA, Chernykh ER, Bogachev SS. Analysis of the Biological Properties of Blood Plasma Protein with GcMAF Functional Activity. Int J Mol Sci 2022; 23:8075. [PMID: 35897653 PMCID: PMC9330714 DOI: 10.3390/ijms23158075] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 07/11/2022] [Accepted: 07/20/2022] [Indexed: 02/04/2023] Open
Abstract
The main problem related to the studies focusing on group-specific component protein-derived macrophage-activating factor (GcMAF) is the lack of clarity about changes occurring in different types of macrophages and related changes in their properties under the effect of GcMAF in various clinical conditions. We analyzed the antitumor therapeutic properties of GcMAF in a Lewis carcinoma model in two clinical conditions: untreated tumor lesion and tumor resorption after exposure to Karanahan therapy. GcMAF is formed during site-specific deglycosylation of vitamin D3 binding protein (DBP). DBP was obtained from the blood of healthy donors using affinity chromatography on a column with covalently bound actin. GcMAF-related factor (GcMAF-RF) was converted in a mixture with induced lymphocytes through the cellular enzymatic pathway. The obtained GcMAF-RF activates murine peritoneal macrophages (p < 0.05), induces functional properties of dendritic cells (p < 0.05) and promotes in vitro polarization of human M0 macrophages to M1 macrophages (p < 0.01). Treatment of whole blood cells with GcMAF-RF results in active production of both pro- and anti-inflammatory cytokines. It is shown that macrophage activation by GcMAF-RF is inhibited by tumor-secreted factors. In order to identify the specific antitumor effect of GcMAF-RF-activated macrophages, an approach to primary reduction of humoral suppressor activity of the tumor using the Karanahan therapy followed by macrophage activation in the tumor-associated stroma (TAS) was proposed. A prominent additive effect of GcMAF-RF, which enhances the primary immune response activation by the Karanahan therapy, was shown in the model of murine Lewis carcinoma. Inhibition of the suppressive effect of TAS is the main condition required for the manifestation of the antitumor effect of GcMAF-RF. When properly applied in combination with any chemotherapy, significantly reducing the humoral immune response at the advanced tumor site, GcMAF-RF is a promising antitumor therapeutic agent that additively destroys the pro-tumor properties of macrophages of the tumor stroma.
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Affiliation(s)
- Evgeniya V. Dolgova
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (E.V.D.); (S.S.K.); (E.V.L.); (V.S.R.); (A.S.P.); (G.S.R.)
| | - Svetlana S. Kirikovich
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (E.V.D.); (S.S.K.); (E.V.L.); (V.S.R.); (A.S.P.); (G.S.R.)
| | - Evgeniy V. Levites
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (E.V.D.); (S.S.K.); (E.V.L.); (V.S.R.); (A.S.P.); (G.S.R.)
| | - Vera S. Ruzanova
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (E.V.D.); (S.S.K.); (E.V.L.); (V.S.R.); (A.S.P.); (G.S.R.)
- Department of Natural Sciences, Novosibirsk National Research State University, 630090 Novosibirsk, Russia
| | - Anastasia S. Proskurina
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (E.V.D.); (S.S.K.); (E.V.L.); (V.S.R.); (A.S.P.); (G.S.R.)
| | - Genrikh S. Ritter
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (E.V.D.); (S.S.K.); (E.V.L.); (V.S.R.); (A.S.P.); (G.S.R.)
| | - Oleg S. Taranov
- State Research Center of Virology and Biotechnology “Vector”, 630559 Koltsovo, Russia;
| | | | | | - Olga Yu. Leplina
- Research Institute of Fundamental and Clinical Immunology, 630099 Novosibirsk, Russia; (O.Y.L.); (A.A.O.); (E.R.C.)
| | - Alexandr A. Ostanin
- Research Institute of Fundamental and Clinical Immunology, 630099 Novosibirsk, Russia; (O.Y.L.); (A.A.O.); (E.R.C.)
| | - Elena R. Chernykh
- Research Institute of Fundamental and Clinical Immunology, 630099 Novosibirsk, Russia; (O.Y.L.); (A.A.O.); (E.R.C.)
| | - Sergey S. Bogachev
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (E.V.D.); (S.S.K.); (E.V.L.); (V.S.R.); (A.S.P.); (G.S.R.)
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Ruzanova V, Proskurina A, Efremov Y, Kirikovich S, Ritter G, Levites E, Dolgova E, Potter E, Babaeva O, Sidorov S, Taranov O, Ostanin A, Chernykh E, Bogachev S. Chronometric Administration of Cyclophosphamide and a Double-Stranded DNA-Mix at Interstrand Crosslinks Repair Timing, Called "Karanahan" Therapy, Is Highly Efficient in a Weakly Immunogenic Lewis Carcinoma Model. Pathol Oncol Res 2022; 28:1610180. [PMID: 35693632 PMCID: PMC9185167 DOI: 10.3389/pore.2022.1610180] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 04/27/2022] [Indexed: 12/12/2022]
Abstract
Background and Aims: A new technology based on the chronometric administration of cyclophosphamide and complex composite double-stranded DNA-based compound, which is scheduled in strict dependence on interstrand crosslinks repair timing, and named “Karanahan”, has been developed. Being applied, this technology results in the eradication of tumor-initiating stem cells and full-scale apoptosis of committed tumor cells. In the present study, the efficacy of this novel approach has been estimated in the model of Lewis carcinoma. Methods: To determine the basic indicative parameters for the approach, the duration of DNA repair in tumor cells, as well as their distribution along the cell cycle, have been assessed. Injections were done into one or both tumors in femoral region of the engrafted mice in accordance with the developed regimen. Four series of experiments were carried out at different periods of time. The content of poorly differentiated CD34+/TAMRA+ cells in the bone marrow and peripheral blood has been determined. Immunostaining followed by the flow cytometry was used to analyze the subpopulations of immune cells. Results: The high antitumor efficacy of the new technology against the developed experimental Lewis carcinoma was shown. It was found that the therapy efficacy depended on the number of tumor growth sites, seasonal and annual peculiarities. In some experiments, a long-term remission has been reached in 70% of animals with a single tumor and in 60% with two tumors. In mice with two developed grafts, mobilization capabilities of both poorly differentiated hematopoietic cells of the host and tumor stem-like cells decrease significantly. Being applied, this new technology was shown to activate a specific immune response. There is an increase in the number of NK cell populations in the blood, tumor, and spleen, killer T cells and T helper cells in the tumor and spleen, CD11b+Ly-6C+ and CD11b+Ly-6G+ cells in the tumor. A population of mature dendritic cells is found in the tumor. Conclusion: The performed experiments indicate the efficacy of the Karanahan approach against incurable Lewis carcinoma. Thus, the discussed therapy is a new approach for treating experimental neoplasms, which has a potential as a personalized anti-tumor therapeutic approach in humans.
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Affiliation(s)
- Vera Ruzanova
- Laboratory of Induced Cellular Processes, Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.,Department of Natural Sciences, Novosibirsk National Research State University, Novosibirsk, Russia
| | - Anastasia Proskurina
- Laboratory of Induced Cellular Processes, Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Yaroslav Efremov
- Department of Natural Sciences, Novosibirsk National Research State University, Novosibirsk, Russia.,Common Use Center for Microscopic Analysis of Biological Objects SB RAS, Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Svetlana Kirikovich
- Laboratory of Induced Cellular Processes, Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Genrikh Ritter
- Laboratory of Induced Cellular Processes, Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Evgenii Levites
- Laboratory of Induced Cellular Processes, Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Evgenia Dolgova
- Laboratory of Induced Cellular Processes, Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Ekaterina Potter
- Laboratory of Induced Cellular Processes, Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Oksana Babaeva
- Oncology Department, Municipal Hospital No. 1, Novosibirsk, Russia
| | - Sergey Sidorov
- Department of Natural Sciences, Novosibirsk National Research State University, Novosibirsk, Russia.,Oncology Department, Municipal Hospital No. 1, Novosibirsk, Russia
| | - Oleg Taranov
- Laboratory of Microscopic Research, State Research Center of Virology and Biotechnology "Vector", Koltsovo, Russia
| | - Alexandr Ostanin
- Laboratory of Cellular Immunotherapy, Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Elena Chernykh
- Laboratory of Cellular Immunotherapy, Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Sergey Bogachev
- Laboratory of Induced Cellular Processes, Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
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4
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Proskurina AS, Kupina VV, Efremov YR, Dolgova EV, Ruzanova VS, Ritter GS, Potter EA, Kirikovich SS, Levites EV, Ostanin AA, Chernykh ER, Babaeva OG, Sidorov SV, Bogachev SS. Karanahan: A Potential New Treatment Option for Human Breast Cancer and Its Validation in a Clinical Setting. BREAST CANCER: BASIC AND CLINICAL RESEARCH 2022; 16:11782234211059931. [PMID: 35185333 PMCID: PMC8851498 DOI: 10.1177/11782234211059931] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 10/26/2021] [Indexed: 12/12/2022] Open
Abstract
Introduction: Karanahan, a cancer treatment technology aimed at eradicating tumor-initiating stem cells, has already proven effective in 7 tumor models. Karanahan comprises the following procedures: (1) collecting surgical specimens, (2) determining the duration of the DNA repair process in tumor cells exposed to a cross-linking cytostatic agent, and (3) determining the time point, when cells, including tumor-initiating stem cells, are synchronized in the certain phase of the cell cycle after triple exposure to the cytostatic, becoming vulnerable for the terminal treatment, which is supposed to completely eliminate the rest of survived tumor-initiating stem cells. Determining these basic tumor properties allows to design the schedule for the administration of a cross-linking cytostatic and a complex composite DNA preparation. Being conducted in accordance with the schedule designed, Karanahan results in the large-scale apoptosis of tumor cells with elimination of tumor-initiating stem cells. Methods: Breast tumor specimens were obtained from patients, and basic tumor properties essential for conducting Karanahan therapy were determined. Results: We report the first use of Karanahan in patients diagnosed with breast cancer. Technical details of handling surgical specimens for determining the essential Karanahan parameters (tumor volume, cell number, cell proliferation status, etc) have been worked out. The terminally ill patient, who was undergoing palliative treatment and whose tumor specimen matched the required criteria, received a complete course of Karanahan. Conclusions: The results of the treatment conducted indicate that Karanahan technology has a therapeutic potency and can be used as a breast cancer treatment option.
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Affiliation(s)
- Anastasia S Proskurina
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | | | - Yaroslav R Efremov
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.,Novosibirsk National Research State University, Novosibirsk, Russia
| | - Evgenia V Dolgova
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Vera S Ruzanova
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.,Novosibirsk National Research State University, Novosibirsk, Russia
| | - Genrikh S Ritter
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Ekaterina A Potter
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Svetlana S Kirikovich
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Evgeniy V Levites
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Alexandr A Ostanin
- Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Elena R Chernykh
- Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Oksana G Babaeva
- Oncology Department, Municipal Hospital No 1, Novosibirsk, Russia
| | - Sergey V Sidorov
- Novosibirsk National Research State University, Novosibirsk, Russia.,Oncology Department, Municipal Hospital No 1, Novosibirsk, Russia
| | - Sergey S Bogachev
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
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Proskurina AS, Ruzanova VS, Ostanin AA, Chernykh ER, Bogachev SS. Theoretical premises of a "three in one" therapeutic approach to treat immunogenic and nonimmunogenic cancers: a narrative review. Transl Cancer Res 2022; 10:4958-4972. [PMID: 35116346 PMCID: PMC8797664 DOI: 10.21037/tcr-21-919] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 10/14/2021] [Indexed: 12/12/2022]
Abstract
Objective We describe experimental and theoretical premises of a powerful cancer therapy based on the combination of three approaches. These include (I) in situ vaccination (intratumoral injections of CpG oligonucleotides and anti-OX40 antibody); (II) chronometric or metronomic low-dose cyclophosphamide (CMLD CP)-based chemotherapy; (III) cancer stem cell-eradicating therapy referred to as Karanahan (from the Sanskrit kāraṇa [“source”] + han [“to kill”]). Background In murine models, the first two approaches are particularly potent in targeting immunogenic tumors for destruction. In situ vaccination activates a fully fledged anticancer immune response via an intricate network of ligand–receptor–cytokine interactions. CMLD CP-based chemotherapy primarily targets the suppressive tumor microenvironment and activates tumor-infiltrating effectors. In contrast, Karanahan technology, being aimed at replicative machinery of tumor cells (both stem-like and committed), does not depend on tumor immunogenicity. With this technology, mice engrafted with ascites and/or solid tumors can be successfully cured. There is a significant degree of mechanistic and therapeutic overlap between these three approaches. For instance, the similarities shared between in situ vaccination and Karanahan technology include the therapeutic procedure, the cell target [antigen-presenting cells (APC) and dendritic cells (DC)], and the use of DNA-based preparations (CpG and DNAmix). Features shared between CMLD CP-based chemotherapy and Karanahan technology are the timing and the dose of the cytostatic drug administration, which lead to tumor regression. Methods The following keywords were used to search PubMed for the latest research reporting successful eradication of transplantable cancers in animal models that relied on approaches distinct from those used in the Karanahan technology: eradication of malignancy, cure cancer, complete tumor regression, permanently eradicating advanced mouse tumor, metronomic chemotherapy, in situ vaccination, immunotherapy, and others. Conclusion We hypothesize, therefore, that very potent anticancer activity can be achieved once these three therapeutic modalities are combined into a single approach. This multimodal approach is theoretically curative for any type of cancer that depends on the presence of tumor-inducing cancer stem cells, provided that the active therapeutic components are efficiently delivered into the tumor and the specific biological features of a given patient’s tumor are properly addressed. We expect this multimodal approach to be primarily applicable to late-stage or terminal cancer patients who have exhausted all treatment options as well as patients with inoperable tumors.
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Affiliation(s)
- Anastasia S Proskurina
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Vera S Ruzanova
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | - Alexandr A Ostanin
- Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Elena R Chernykh
- Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Sergey S Bogachev
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
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Dolgova EV, Andrushkevich OM, Kisaretova PE, Proskurina AS, Ritter GS, Dubatolova TD, Romanenko MV, Taranov OS, Efremov YR, Zavyalov EL, Romaschenko AV, Mishinov SV, Kirikovich SS, Levites EV, Potter EA, Ostanin AA, Chernykh ER, Roshchin SY, Bervitskiy AV, Moysak GI, Rzaev JA, Bogachev SS. Efficacy of the new therapeutic approach in curing malignant neoplasms on the model of human glioblastoma. Cancer Biol Med 2021; 18:j.issn.2095-3941.2020.0511. [PMID: 34259424 PMCID: PMC8330538 DOI: 10.20892/j.issn.2095-3941.2020.0511] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 02/08/2021] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE Glioma is a highly invasive tumor, frequently disposed in essential areas of the brain, which makes its surgical excision extremely difficult; meanwhile adjuvant therapy remains quite ineffective. METHODS In the current report, a new therapeutic approach in curing malignant neoplasms has been performed on the U87 human glioblastoma model. This approach, termed "Karanahan", is aimed at the eradication of cancer stem cells (CSCs), which were recently shown to be capable of internalizing fragments of extracellular double-stranded DNA. After being internalized, these fragments interfere in the process of repairing interstrand cross-links caused by exposure to appropriate cytostatics, and such an interference results either in elimination of CSCs or in the loss of their tumorigenic potency. Implementation of the approach requires a scheduled administration of cytostatic and complex composite double-stranded DNA preparation. RESULTS U87 cells treated in vitro in accordance with the Karanahan approach completely lost their tumorigenicity and produced no grafts upon intracerebral transplantation into immunodeficient mice. In SCID mice with developed subcutaneous grafts, the treatment resulted in reliable slowing down of tumor growth rate (P < 0.05). In the experiment with intracerebral transplantation of U87 cells followed by surgical excision of the developed graft and subsequent therapeutic treatment, the Karanahan approach was shown to reliably slow down the tumor growth rate and increase the median survival of the mice twofold relative to the control. CONCLUSIONS The effectiveness of the Karanahan approach has been demonstrated both in vitro and in vivo in treating developed subcutaneous grafts as well as orthotopic grafts after surgical excision of the tumor.
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Affiliation(s)
| | - Oleg M. Andrushkevich
- A.I. Evdokimov Moscow State University of Medicine and Dentistry, Moscow 127473, Russia
| | | | | | - Genrikh S. Ritter
- Institute of Cytology and Genetics SB RAS, Novosibirsk 630090, Russia
| | | | | | - Oleg S. Taranov
- The State Research Center of Virology and Biotechnology “Vector”, Koltsovo, Novosibirsk 630559, Russia
| | - Yaroslav R. Efremov
- Institute of Cytology and Genetics SB RAS, Novosibirsk 630090, Russia
- Novosibirsk State University, Novosibirsk 630090, Russia
| | | | | | - Sergey V. Mishinov
- First Department of Neurosurgery, Ya. L. Tsivian Novosibirsk Research Institute of Traumatology and Orthopaedics, Novosibirsk 630091, Russia
| | | | | | | | - Alexandr A. Ostanin
- Institute of Fundamental and Clinical immunology, Novosibirsk 630099, Russia
| | - Elena R. Chernykh
- Institute of Fundamental and Clinical immunology, Novosibirsk 630099, Russia
| | | | | | - Galina I. Moysak
- Novosibirsk State University, Novosibirsk 630090, Russia
- Federal Center of Neurosurgery, Novosibirsk 630048, Russia
| | - Jamil A. Rzaev
- Novosibirsk State University, Novosibirsk 630090, Russia
- Federal Center of Neurosurgery, Novosibirsk 630048, Russia
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7
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Mordvinov VA, Minkova GA, Kovner AV, Ponomarev DV, Lvova MN, Zaparina O, Romanenko SA, Shilov AG, Pakharukova MY. A tumorigenic cell line derived from a hamster cholangiocarcinoma associated with Opisthorchis felineus liver fluke infection. Life Sci 2021; 277:119494. [PMID: 33862109 DOI: 10.1016/j.lfs.2021.119494] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 03/19/2021] [Accepted: 04/01/2021] [Indexed: 01/23/2023]
Abstract
AIMS The food-born trematode Opisthorchis felineus colonizes bile ducts of the liver of fish-eating mammals including humans. There is growing evidence that this liver fluke is a risk factor for cholangiocarcinoma (CCA). Cancer cell lines are necessary for drug screening and for identifying protein markers of CCA. The aim was to establish a cell line derived from cholangiocarcinoma associated with opisthorchiasis felinea. MAIN METHODS Allotransplantation, immunohistochemistry, karyotype analysis, cell culture techniques, immunocytochemistry and real-time PCR. KEY FINDINGS Here we repot the establishment of first CCA cell line, CCA-OF, from a primary tumor of an experimental CCA in Syrian hamsters treated with low doses of dimethyl nitrosamine and associated with O. felineus infection. The cell line was found to be allotransplantable. Expression of epithelial and mesenchymal markers (cytokeratin 7, glycosyltransferase exostosin 1, Ca2+-dependent phospholipid-binding protein annexin A1 and vimentin) was demonstrated by immunostaining of the primary tumors, CCA-OF cells, and allotransplants. CCA-OF cells were found to express presumed CCA biomarkers previously detected in both human and experimental tumors associated with the liver fluke infection. The cells were diploid-like (2n = 42-46) with complex chromosomal rearrangements and have morphological features of epithelial-like cells. The usefulness of the CCA-OF cell model for antitumor activity testing was demonstrated by an analysis of effects of resveratrol treatment. It was shown that resveratrol treatment inhibited the proliferation and the migration ability of CCA-OF cells. SIGNIFICANCE Thus, the allotransplantable CCA-OF cell line can be used in studies on helminth-associated cholangiocarcinogenesis and for the testing of antitumor drugs.
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Affiliation(s)
- Viatcheslav A Mordvinov
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Lavrentiev Ave., Novosibirsk 630090, Russia.
| | - Galina A Minkova
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Lavrentiev Ave., Novosibirsk 630090, Russia
| | - Anna V Kovner
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Lavrentiev Ave., Novosibirsk 630090, Russia
| | - Dmitriy V Ponomarev
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Lavrentiev Ave., Novosibirsk 630090, Russia
| | - Maria N Lvova
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Lavrentiev Ave., Novosibirsk 630090, Russia.
| | - Oxana Zaparina
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Lavrentiev Ave., Novosibirsk 630090, Russia
| | - Svetlana A Romanenko
- Institute of Molecular and Cellular Biology, Siberian Branch of Russian Academy of Sciences, 8/2 Lavrentiev Ave., Novosibirsk 630090, Russia.
| | - Alexander G Shilov
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Lavrentiev Ave., Novosibirsk 630090, Russia.
| | - Maria Y Pakharukova
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Lavrentiev Ave., Novosibirsk 630090, Russia; Department of Natural Sciences, Novosibirsk State University, 2 Pirogova Str., Novosibirsk 630090, Russia
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8
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Dolgova EV, Evdokimov AN, Proskurina AS, Efremov YR, Bayborodin SI, Potter EA, Popov AA, Petruseva IO, Lavrik OI, Bogachev SS. Double-Stranded DNA Fragments Bearing Unrepairable Lesions and Their Internalization into Mouse Krebs-2 Carcinoma Cells. Nucleic Acid Ther 2019; 29:278-290. [PMID: 31194620 DOI: 10.1089/nat.2019.0786] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Murine Krebs-2 tumor-initiating stem cells are known to natively internalize extracellular double-stranded DNA fragments. Being internalized, these fragments interfere in the repair of chemically induced interstrand cross-links. In the current investigation, 756 bp polymerase chain reaction (PCR) product containing bulky photoreactive dC adduct was used as extracellular DNA. This adduct was shown to inhibit the cellular system of nucleotide excision repair while being resistant to excision by this DNA repair system. The basic parameters for this DNA probe internalization by the murine Krebs-2 tumor cells were characterized. Being incubated under regular conditions (60 min, 24°C, 500 μL of the incubation medium, in the dark), 0.35% ± 0.18% of the Krebs-2 ascites cells were shown to natively internalize modified DNA. The saturating amount of the modified DNA was detected to be 0.37 μg per 106 cells. For the similar unmodified DNA fragments, this ratio is 0.73 μg per 106 cells. Krebs-2 tumor cells were shown to be saturated internalizing either (190 ± 40) × 103 molecules of modified DNA or (1,000 ± 100) × 103 molecules of native DNA. On internalization, the fragments of DNA undergo partial and nonuniform hydrolysis of 3' ends followed by circularization. The degree of hydrolysis, assessed by sequencing of several clones with the insertion of specific PCR product, was 30-60 nucleotides.
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Affiliation(s)
- Evgeniya V Dolgova
- Laboratory of Induced Cell Processes, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Alexey N Evdokimov
- Laboratory of Bioorganic Chemistry of Enzymes, Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Anastasia S Proskurina
- Laboratory of Induced Cell Processes, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Yaroslav R Efremov
- Laboratory of Induced Cell Processes, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.,Natural Sciences Department, Novosibirsk State University, Novosibirsk, Russia
| | - Sergey I Bayborodin
- Laboratory of Induced Cell Processes, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Ekaterina A Potter
- Laboratory of Induced Cell Processes, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Alexey A Popov
- Laboratory of Bioorganic Chemistry of Enzymes, Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Irina O Petruseva
- Laboratory of Bioorganic Chemistry of Enzymes, Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Olga I Lavrik
- Laboratory of Bioorganic Chemistry of Enzymes, Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.,Natural Sciences Department, Novosibirsk State University, Novosibirsk, Russia.,Department of Physical Chemistry and Biotechnology, Altai State University, Barnaul, Russia
| | - Sergey S Bogachev
- Laboratory of Induced Cell Processes, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
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9
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Efremov YR, Proskurina AS, Potter EA, Dolgova EV, Efremova OV, Taranov OS, Ostanin AA, Chernykh ER, Kolchanov NA, Bogachev SS. Cancer Stem Cells: Emergent Nature of Tumor Emergency. Front Genet 2018; 9:544. [PMID: 30505319 PMCID: PMC6250818 DOI: 10.3389/fgene.2018.00544] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 10/26/2018] [Indexed: 12/12/2022] Open
Abstract
A functional analysis of 167 genes overexpressed in Krebs-2 tumor initiating cells was performed. In the first part of the study, the genes were analyzed for their belonging to one or more of the three groups, which represent the three major phenotypic manifestation of malignancy of cancer cells, namely (1) proliferative self-sufficiency, (2) invasive growth and metastasis, and (3) multiple drug resistance. 96 genes out of 167 were identified as possible contributors to at least one of these fundamental properties. It was also found that substantial part of these genes are also known as genes responsible for formation and/or maintenance of the stemness of normal pluri-/multipotent stem cells. These results suggest that the malignancy is simply the ability to maintain the stem cell specific genes expression profile, and, as a consequence, the stemness itself regardless of the controlling effect of stem niches. In the second part of the study, three stress factors combined into the single concept of "generalized cellular stress," which are assumed to activate the expression of these genes, were defined. In addition, possible mechanisms for such activation were identified. The data obtained suggest the existence of a mechanism for the de novo formation of a pluripotent/stem phenotype in the subpopulation of "committed" tumor cells.
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Affiliation(s)
- Yaroslav R Efremov
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.,Department of Natural Sciences, Novosibirsk State University, Novosibirsk, Russia
| | - Anastasia S Proskurina
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Ekaterina A Potter
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Evgenia V Dolgova
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Oksana V Efremova
- Department of Natural Sciences, Novosibirsk State University, Novosibirsk, Russia
| | - Oleg S Taranov
- The State Research Center of Virology and Biotechnology Vector, Koltsovo, Russia
| | - Aleksandr A Ostanin
- Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Elena R Chernykh
- Research Institute of Fundamental and Clinical Immunology, Novosibirsk, Russia
| | - Nikolay A Kolchanov
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Sergey S Bogachev
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
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