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Burdennyy AM, Filippova EA, Lukina SS, Ivanova NA, Pronina IV, Loginov VI, Kazubskaya TP, Kushlinskii NE, Braga EA. DNA Methylation of a Group of Long Non-Coding RNA Genes at Different Stages of Ovarian Cancer Dissemination. Bull Exp Biol Med 2024; 176:495-500. [PMID: 38492100 DOI: 10.1007/s10517-024-06054-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Indexed: 03/18/2024]
Abstract
There are three types of metastases in ovarian cancer: lymphogenous, hematogenous, and peritoneal. Dissemination of the tumor in the peritoneum is directly related with the development of ascites and a poor prognosis. The purpose of this study is to determine changes in the methylation level of a group of long non-coding RNA (lncRNA) genes at different stages of ovarian cancer progression. The methylation level of 7 lncRNA genes (LINC00472, LINC00886, MAFG-DT, SNHG1, SNHG6, TP53TG1, and TUG1) was studied by quantitative methyl-specific PCR in 93 samples of ovarian tumors and 75 paired samples of histologically normal tissue, as well as in 29 peritoneal macroscopic metastases. Using the nonparametric Mann-Whitney test, a significant (p<0.001) increase in the level of methylation of the LINC00886, SNHG1, SNHG6, and TUG1 genes in the tumor tissue was shown. For the LINC00472, LINC00886, and SNHG6 genes, a significant relationship was found with the clinical stage (p≤0.001), as well as with the appearance of metastases for the LINC00472 (p<0.001) and SNHG6 (p=0.005) genes. There was a significant increase in the level of methylation of MAFG-DT and TP53TG1 (p<0.001) genes, as well as a decrease in LINC00886 (p=0.003) in peritoneal metastases relative to the primary focus. Methylation of the LINC00472 and SNHG6 genes can be considered as a factor in initiating ovarian cancer metastasis, and methylation of the LINC00886, MAFG-DT, and TP53TG1 genes as a colonization factor for metastases in the peritoneum. Thus, a relationship between methylation of a group of lncRNA genes at different stages of ovarian cancer dissemination was shown, which is important for understanding the mechanisms of these processes and for developing innovative approaches to ovarian cancer therapy.
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Affiliation(s)
- A M Burdennyy
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia.
| | - E A Filippova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - S S Lukina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - N A Ivanova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - I V Pronina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - V I Loginov
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - T P Kazubskaya
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - N E Kushlinskii
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - E A Braga
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
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Zavarykina TM, Lomskova PK, Pronina IV, Khokhlova SV, Stenina MB, Sukhikh GT. Circulating Tumor DNA Is a Variant of Liquid Biopsy with Predictive and Prognostic Clinical Value in Breast Cancer Patients. Int J Mol Sci 2023; 24:17073. [PMID: 38069396 PMCID: PMC10706922 DOI: 10.3390/ijms242317073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/24/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023] Open
Abstract
This paper introduces the reader to the field of liquid biopsies and cell-free nucleic acids, focusing on circulating tumor DNA (ctDNA) in breast cancer (BC). BC is the most common type of cancer in women, and progress with regard to treatment has been made in recent years. Despite this, there remain a number of unresolved issues in the treatment of BC; in particular, early detection and diagnosis, reliable markers of response to treatment and for the prediction of recurrence and metastasis, especially for unfavorable subtypes, are needed. It is also important to identify biomarkers for the assessment of drug resistance and for disease monitoring. Our work is devoted to ctDNA, which may be such a marker. Here, we describe its main characteristics and potential applications in clinical oncology. This review considers the results of studies devoted to the analysis of the prognostic and predictive roles of various methods for the determination of ctDNA in BC patients. Currently known epigenetic changes in ctDNA with clinical significance are reviewed. The possibility of using ctDNA as a predictive and prognostic marker for monitoring BC and predicting the recurrence and metastasis of cancer is also discussed, which may become an important part of a precision approach to the treatment of BC.
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Affiliation(s)
- Tatiana M. Zavarykina
- N.M. Emanuel Institute of Biochemical Physics of the Russian Academy of Sciences, Moscow 119334, Russia;
- “B.I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology of Ministry of Health of the Russian Federation, Moscow 117997, Russia; (S.V.K.); (G.T.S.)
| | - Polina K. Lomskova
- N.M. Emanuel Institute of Biochemical Physics of the Russian Academy of Sciences, Moscow 119334, Russia;
| | - Irina V. Pronina
- Institute of General Pathology and Pathophysiology, Moscow 125315, Russia;
| | - Svetlana V. Khokhlova
- “B.I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology of Ministry of Health of the Russian Federation, Moscow 117997, Russia; (S.V.K.); (G.T.S.)
| | - Marina B. Stenina
- “N.N. Blokhin National Medical Research Center of Oncology of Ministry of Health of the Russian Federation, Moscow 115522, Russia;
| | - Gennady T. Sukhikh
- “B.I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology of Ministry of Health of the Russian Federation, Moscow 117997, Russia; (S.V.K.); (G.T.S.)
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Braga EA, Fridman MV, Burdennyy AM, Loginov VI, Dmitriev AA, Pronina IV, Morozov SG. Various LncRNA Mechanisms in Gene Regulation Involving miRNAs or RNA-Binding Proteins in Non-Small-Cell Lung Cancer: Main Signaling Pathways and Networks. Int J Mol Sci 2023; 24:13617. [PMID: 37686426 PMCID: PMC10487663 DOI: 10.3390/ijms241713617] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/25/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) are crucial players in the pathogenesis of non-small-cell lung cancer (NSCLC). A competing binding of lncRNAs and mRNAs with microRNAs (miRNAs) is one of the most common mechanisms of gene regulation by lncRNAs in NSCLC, which has been extensively researched in the last two decades. However, alternative mechanisms that do not depend on miRNAs have also been reported. Among them, the most intriguing mechanism is mediated by RNA-binding proteins (RBPs) such as IGF2BP1/2/3, YTHDF1, HuR, and FBL, which increase the stability of target mRNAs. IGF2BP2 and YTHDF1 may also be involved in m6A modification of lncRNAs or target mRNAs. Some lncRNAs, such as DLGAP1-AS2, MALAT1, MNX1-AS1, and SNHG12, are involved in several mechanisms depending on the target: lncRNA/miRNA/mRNA interactome and through RBP. The target protein sets selected here were then analyzed using the DAVID database to identify the pathways overrepresented by KEGG, Wikipathways, and the Reactome pathway. Using the STRING website, we assessed interactions between the target proteins and built networks. Our analysis revealed that the JAK-STAT and Hippo signaling pathways, cytokine pathways, the VEGFA-VEGFR2 pathway, mechanisms of cell cycle regulation, and neovascularization are the most relevant to the effect of lncRNA on NSCLC.
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Affiliation(s)
- Eleonora A. Braga
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (A.M.B.); (V.I.L.); (I.V.P.); (S.G.M.)
- Research Centre for Medical Genetics, 115522 Moscow, Russia
| | - Marina V. Fridman
- Vavilov Institute of General Genetics, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Alexey M. Burdennyy
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (A.M.B.); (V.I.L.); (I.V.P.); (S.G.M.)
| | - Vitaly I. Loginov
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (A.M.B.); (V.I.L.); (I.V.P.); (S.G.M.)
- Research Centre for Medical Genetics, 115522 Moscow, Russia
| | - Alexey A. Dmitriev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Irina V. Pronina
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (A.M.B.); (V.I.L.); (I.V.P.); (S.G.M.)
| | - Sergey G. Morozov
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (A.M.B.); (V.I.L.); (I.V.P.); (S.G.M.)
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Ivanova NA, Burdennyi AM, Lukina SS, Filippova EA, Pronina IV, Karpukhin AV, Matveev VB, Kazubskaya TP, Loginov VI, Braga EA, Kushlinskii NE. The Role of Methylation of a Group of microRNA Genes in the Pathogenesis of Metastatic Renal Cell Carcinoma. Bull Exp Biol Med 2023:10.1007/s10517-023-05844-9. [PMID: 37466853 DOI: 10.1007/s10517-023-05844-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Indexed: 07/20/2023]
Abstract
The role of methylation of 9 miRNA genes in the pathogenesis of metastatic clear cell renal cell carcinoma was determined by quantitative methylation-specific PCR (MS-PCR). For 5 genes (MIR125B-1, MIR137, MIR193A, MIR34B/C, and MIR375), a significant correlation of high methylation level with late (III-IV) stages, large size (T3+T4) of the tumor, and metastasis to lymph nodes and/or distant organs was revealed. For another group of genes (MIR125B-1, MIR1258, MIR193A, MIR34B/C, and MIR375), a statistically significant correlation of high methylation level with loss of differentiation in the tumor (G3-G4) was found, and the opposite pattern was found for MIR203A. A total of 7 microRNA genes (MIR125B-1, MIR1258, MIR137, MIR193A, MIR203A, MIR34B/C, and MIR375) were identified, the methylation of which is associated with the progression of metastatic clear cell renal cell carcinoma. For 6 of them (except MIR34B/C) these data were obtained for the first time. Thus, new factors of the development and progression of clear cell renal cell carcinoma were identified as potential biomarkers for the early diagnosis and prognosis of metastatic clear cell renal cell carcinoma.
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Affiliation(s)
- N A Ivanova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - A M Burdennyi
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia.
| | - S S Lukina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - E A Filippova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - I V Pronina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - A V Karpukhin
- N. P. Bochkov Research Center for Medical Genetics, Moscow, Russia
| | - V B Matveev
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - T P Kazubskaya
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - V I Loginov
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - E A Braga
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - N E Kushlinskii
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
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Gubenko MS, Loginov VI, Burdennyy AM, Pronina IV, Kazubskaya TP, Pertsov SS. Changes in the Level of Methylation of a Group of microRNA Genes as a Factor in the Development and Progression of Non-Small Cell Lung Cancer. Bull Exp Biol Med 2022; 174:254-258. [PMID: 36598670 DOI: 10.1007/s10517-023-05684-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Indexed: 01/05/2023]
Abstract
We studied changes in the level of methylation of a number of microRNA genes hypermethylated in non-small cell lung cancer and its histological subtypes as well as the relationship of methylation of a group of microRNA genes with clinical and morphological features of the tumor with smoking status. A significantly high level of methylation of 7 genes (MIR124-1/3, MIR125B-1, MIR129-2, MIR137, MIR1258, and MIR339) was revealed in adenocarcinoma and squamous cell lung cancer in comparison with samples of adjacent histologically unchanged lung tissue. In squamous cell lung cancer, a significantly high level of methylation of the MIR124-2 gene in the tumor was also shown. In addition, differences in the methylation profile of adenocarcinoma and squamous cell carcinoma at stages III-IV of the oncological process were revealed. A high level of methylation of the MIR137 and MIR1258 genes was shown for adenocarcinoma and MIR339, MIR129-2, and MIR124-2 for squamous cell carcinoma. Significant differences in the level of methylation of MIR124-2 and MIR375 genes were revealed for smoking patients with squamous cell lung cancer.
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Affiliation(s)
- M S Gubenko
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - V I Loginov
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - A M Burdennyy
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia.
| | - I V Pronina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - T P Kazubskaya
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - S S Pertsov
- P. K. Anokhin Research Institute of Normal Physiology, Moscow, Russia
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6
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Braga EA, Fridman MV, Burdennyy AM, Filippova EA, Loginov VI, Pronina IV, Dmitriev AA, Kushlinskii NE. Regulation of the Key Epithelial Cancer Suppressor miR-124 Function by Competing Endogenous RNAs. Int J Mol Sci 2022; 23:13620. [PMID: 36362406 PMCID: PMC9655303 DOI: 10.3390/ijms232113620] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/31/2022] [Accepted: 11/02/2022] [Indexed: 12/01/2023] Open
Abstract
A decrease in the miR-124 expression was observed in various epithelial cancers. Like a classical suppressor, miR-124 can inhibit the translation of multiple oncogenic proteins. Epigenetic mechanisms play a significant role in the regulation of miR-124 expression and involve hypermethylation of the MIR-124-1/-2/-3 genes and the effects of long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs) according to the model of competing endogenous RNAs (ceRNAs). More than 40 interactomes (lncRNA/miR-124/mRNA) based on competition between lncRNAs and mRNAs for miR-124 binding have been identified in various epithelial cancers. LncRNAs MALAT1, NEAT1, HOXA11-AS, and XIST are the most represented in these axes. Fourteen axes (e.g., SND1-IT1/miR-124/COL4A1) are involved in EMT and/or metastasis. Moreover, eight axes (e.g., OIP5-AS1/miR-124-5p/IDH2) are involved in key pathways, such as Wnt/b-catenin, E2F1, TGF-β, SMAD, ERK/MAPK, HIF-1α, Notch, PI3K/Akt signaling, and cancer cell stemness. Additionally, 15 axes impaired patient survival and three axes reduced chemo- or radiosensitivity. To date, 14 cases of miR-124 regulation by circRNAs have been identified. Half of them involve circHIPK3, which belongs to the exonic ecircRNAs and stimulates cell proliferation, EMT, autophagy, angiogenesis, and multidrug resistance. Thus, miR-124 and its interacting partners may be considered promising targets for cancer therapy.
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Affiliation(s)
- Eleonora A. Braga
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia
- Research Centre for Medical Genetics, 115522 Moscow, Russia
| | - Marina V. Fridman
- Vavilov Institute of General Genetics, Russian Academy of Sciences, 119991 Moscow, Russia
| | | | - Elena A. Filippova
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia
| | - Vitaly I. Loginov
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia
- Research Centre for Medical Genetics, 115522 Moscow, Russia
| | - Irina V. Pronina
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia
| | - Alexey A. Dmitriev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia
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Pronina IV, Uroshlev LA, Moskovtsev AA, Zaichenko DM, Filippova EA, Fridman MV, Burdennyy AM, Loginov VI, Kazubskaya TP, Kushlinskii NE, Dmitriev AA, Braga EA, Brovkina OI. Dysregulation of lncRNA–miRNA–mRNA Interactome as a Marker of Metastatic Process in Ovarian Cancer. Biomedicines 2022; 10:biomedicines10040824. [PMID: 35453574 PMCID: PMC9031843 DOI: 10.3390/biomedicines10040824] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/24/2022] [Accepted: 03/26/2022] [Indexed: 02/06/2023] Open
Abstract
Ovarian cancer (OC) is one of the most common types of cancer among malignancies of the female reproductive system. This pathology is asymptomatic until advanced stages and has a poor prognosis. Our study aimed to search for lncRNA–miRNA–mRNA competing triplets that promote ovarian tumorigenesis. For this purpose, we analyzed tumor samples from the TCGA database and verified the results experimentally in a set of 46 paired samples of tumor and matched histologically unchanged ovarian tissues from OC patients. The list of RNAs selected in silico for experimental studies included 13 mRNAs, 10 lncRNAs, and 5 miRNAs related to epithelial–mesenchymal transition and angiogenesis. We evaluated the expression of these RNAs by qRT-PCR and assessed the correlation between levels of miRNAs, mRNAs, and lncRNAs. Sixteen significant triplets were revealed, in some of which, e.g., OIP5-AS1–miR-203a–c-MET and OIP5-AS1–miR-203a–ZEB2, both lncRNA and mRNA had sites for miR-203a direct binding. Transfection of the OVCAR-3 and SKOV-3 cell lines with the miR-203a mimic was used to confirm the novel links of miR-203a with ZEB2 and c-MET in OC. These connections suggest that the interactomes have the potential for diagnostics of metastasis at early onset.
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Affiliation(s)
- Irina V. Pronina
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (I.V.P.); (L.A.U.); (A.A.M.); (D.M.Z.); (E.A.F.); (A.M.B.); (V.I.L.); (O.I.B.)
| | - Leonid A. Uroshlev
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (I.V.P.); (L.A.U.); (A.A.M.); (D.M.Z.); (E.A.F.); (A.M.B.); (V.I.L.); (O.I.B.)
- Vavilov Institute of General Genetics, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Alexey A. Moskovtsev
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (I.V.P.); (L.A.U.); (A.A.M.); (D.M.Z.); (E.A.F.); (A.M.B.); (V.I.L.); (O.I.B.)
- Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Danila M. Zaichenko
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (I.V.P.); (L.A.U.); (A.A.M.); (D.M.Z.); (E.A.F.); (A.M.B.); (V.I.L.); (O.I.B.)
| | - Elena A. Filippova
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (I.V.P.); (L.A.U.); (A.A.M.); (D.M.Z.); (E.A.F.); (A.M.B.); (V.I.L.); (O.I.B.)
| | - Marina V. Fridman
- Vavilov Institute of General Genetics, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Alexey M. Burdennyy
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (I.V.P.); (L.A.U.); (A.A.M.); (D.M.Z.); (E.A.F.); (A.M.B.); (V.I.L.); (O.I.B.)
| | - Vitaly I. Loginov
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (I.V.P.); (L.A.U.); (A.A.M.); (D.M.Z.); (E.A.F.); (A.M.B.); (V.I.L.); (O.I.B.)
| | - Tatiana P. Kazubskaya
- N. N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia; (T.P.K.); (N.E.K.)
| | - Nikolay E. Kushlinskii
- N. N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia; (T.P.K.); (N.E.K.)
| | - Alexey A. Dmitriev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Eleonora A. Braga
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (I.V.P.); (L.A.U.); (A.A.M.); (D.M.Z.); (E.A.F.); (A.M.B.); (V.I.L.); (O.I.B.)
- Correspondence:
| | - Olga I. Brovkina
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (I.V.P.); (L.A.U.); (A.A.M.); (D.M.Z.); (E.A.F.); (A.M.B.); (V.I.L.); (O.I.B.)
- Federal Research and Clinical Center of Federal Medical-Biological Agency of Russia, 115682 Moscow, Russia
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Postnikov PV, Efimova YA, Pronina IV. Circulating MicroRNAs as a New Class of Biomarkers of Physiological Reactions of the Organism to the Intake of Dietary Supplements and Drugs. Microrna 2022; 11:25-35. [PMID: 35466889 DOI: 10.2174/2211536611666220422123437] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/24/2021] [Accepted: 01/31/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND The analysis of individual microRNAs (miRNAs) as a diagnostic and prognostic tool for the effective treatment of various diseases has aroused particular interest in the scientific community. The determination of circulating miRNAs makes it possible to assess biological changes associated with nutritional processes, the intake of dietary supplements and drugs, etc. The profile of circulating miRNAs reflects the individual adaptation of the organism to the effect of specific environmental conditions. OBJECTIVE The objective of this study is to systematize the data and show the importance of circulating miRNAs as new potential biomarkers of the organism's response to the intake of various dietary supplements, drugs, and consider the possibility of their use in doping control. METHODS A systematic analysis of scientific publications (ncbi.nlm.nih.gov) on the miRNA expression profile in response to the intake of dietary supplements and drugs most often used by athletes, and supposed their role as potential markers in modern doping control was carried out. RESULTS The profile of circulating miRNAs is highly dependent on the intake of a particular drug, and, therefore, may be used as a marker of the effects of biologically active supplements and drugs including the substances from the Prohibited List of the World Anti-Doping Agency (WADA). CONCLUSION Monitoring of circulating miRNAs can serve as a high-precision marker for detecting doping abuse in elite sports. However, it is necessary to conduct additional studies on the effect of complex drugs on the profile of circulating miRNAs and individual circulating miRNAs on a particular biological process.
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Affiliation(s)
- Pavel V Postnikov
- National Antidoping Laboratory (Institute), M.V. Lomonosov Moscow State University, Moscow, Russia
| | - Yulia A Efimova
- Department of Analytical Chemistry, M.V. Lomonosov Institute of Fine Chemical Technologies, MIREA - Russian Technological University, Moscow, Russia
| | - Irina V Pronina
- National Antidoping Laboratory (Institute), M.V. Lomonosov Moscow State University, Moscow, Russia
- Laboratory of Transcriptomics and Pathogenomics, Federal State Budgetary Scientific Institution \'Institute of General Pathology and Pathophysiology", Moscow, Russia
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Loginov VI, Burdennyy AM, Filippova EA, Pronina IV, Lukina SS, Kazubskaya TP, Karpukhin AV, Khodyrev DS, Braga EA. Aberrant Methylation of 21 MicroRNA Genes in Breast Cancer: Sets of Genes Associated with Progression and a System of Markers for Predicting Metastasis. Bull Exp Biol Med 2021; 172:67-71. [PMID: 34792716 DOI: 10.1007/s10517-021-05333-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Indexed: 12/19/2022]
Abstract
Systemic analysis of the relationship between the levels of methylation of 21 microRNA genes and the parameters of breast cancer progression was performed on a representative sample of 91 paired specimens of breast cancer and histologically normal tissues and a system of markers for prediction of metastasis was proposed. A significant association of hypermethylation of 11 genes with late (III-IV) clinical stages was found, and for 6 genes (MIR124-1, MIR127, MIR34B/C, MIR9-3, MIR1258, and MIR339) this association was highly significant (p≤0.001, FDR=0.01). For MIR9-3 and MIR339, an association with tumor size was demonstrated (p<0.001, FDR=0.01). No association of the levels of methylation of the analyzed microRNA genes with the degree of differentiation were found. An association with lymph node metastasis was established for 9 microRNA genes; the most significant association was shown for 6 genes MIR125B-1, MIR127, MIR9-3, MIR339, MIR124-3, and MIR1258 (p<0.005, FDR=0.05). Based on these 6 genes, a marker system for predicting breast cancer metastasis was developed by ROC analysis. This system is characterized by 87% sensitivity and 77% specificity (AUC=0.894). The proposed system may have clinical application in the personalized treatment of breast cancer patients.
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Affiliation(s)
- V I Loginov
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - A M Burdennyy
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia.
| | - E A Filippova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - I V Pronina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - S S Lukina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - T P Kazubskaya
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - A V Karpukhin
- N. P. Bochkov Research Centre of Medical Genetics, Moscow, Russia
| | - D S Khodyrev
- Federal Research Clinical Center of Specialized Types of Medical Care and Medical Technologies, Federal Medical-Biological Agency of Russia, Moscow, Russia
| | - E A Braga
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
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10
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Burdennyy AM, Filippova EA, Khodyrev DS, Pronina IV, Lukina SS, Ivanova NA, Kazubskaya TP, Loginov VI, Braga EA. Optimized Marker System for Early Diagnosis of Breast Cancer. Bull Exp Biol Med 2021; 172:57-62. [PMID: 34791555 DOI: 10.1007/s10517-021-05331-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Indexed: 11/30/2022]
Abstract
Changes in the methylation levels of 21 microRNA genes in 91 breast cancer samples in comparison with paired samples of histologically unchanged tissue were studied by quantitative methylation-specific PCR. For 19 microRNA genes, a significant increase in the methylation level in tumors in comparison with normal tissues was shown (Mann-Whitney test). When considering the data for breast cancer samples only from patients with clinical stages I and II (59samples), 17 genes with a significantly increased level of methylation were identified. Increased methylation level for 11 genes (MIR124-1, MIR124-3, MIR125B-1, MIR127, MIR129-2, MIR132, MIR137, MIR193a, MIR34B/C, MIR375, and MIR9-1) compared to the paired norm was highly significant (p<0.001, FDR=0.01). The ROC analysis was used to optimize a set of markers for diagnosing breast cancer at the early stages consisting of 4 microRNA genes: MIR125B1, MIR127, MIR1258, and MIR132; the system is characterized by 100% specificity, 85% sensitivity, and AUC=0.924. Importantly, 100% specificity eliminates false positive results. Detection of methylation of at least one of the 4 genes of this set is sufficient to classify the patient's sample as breast cancer.
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Affiliation(s)
- A M Burdennyy
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia.
| | - E A Filippova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - D S Khodyrev
- Federal Research Clinical Center of Specialized Types of Medical Care and Medical Technologies, Federal Medial-Biological Agency of Russia, Moscow, Russia
| | - I V Pronina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - S S Lukina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - N A Ivanova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - T P Kazubskaya
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - V I Loginov
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - E A Braga
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
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11
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Filippova EA, Pronina IV, Lukina SS, Kazubskaya TP, Braga EA, Burdennyi AM, Loginov VI. Relationship of the Levels of microRNA Gene Methylation with the Level of Their Expression and Pathomorphological Characteristics of Breast Cancer. Bull Exp Biol Med 2021; 171:764-769. [PMID: 34705180 DOI: 10.1007/s10517-021-05312-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Indexed: 12/24/2022]
Abstract
We studied the relationship of the levels of microRNA group expression and methylation with clinical and pathomorphological parameters of breast cancer and its immunohistochemical status. Quantitative methylation specific PCR analysis showed a significant (p<0.001) increase in the methylation level of 4 microRNA genes (MIR127, MIR129-2, MIR132, and MIR148A) and a significant (p<0.001) decrease for gene MIR375 relative to paired histologically normal tissue. Real-time PCR analysis revealed a significant (p≤0.001) decrease in the expression of 4 microRNAs (miR-127-5p, miR-129-5p, miR-132-3p, and miR-148a-3p) and a significant (p≤0.001) increase in the expression of miR-375-3p. A significant (rs=-0.6--0.7, p≤0.001) relationship between changes in the expression level of miR-129-5p, miR-132-3p, miR-148a-3p, and miR-375-3p and the levels of methylation of the corresponding genes in breast cancer was showed by using Spearman's rank correlation test. Analysis of the samples with consideration of the pathophysiological characteristics of the tumor revealed two significant markers of tumor progression: MIR129-2/miR-129-5p and MIR375/miR-375-3p. Both factors, the increase in the level of MIR129-2 methylation (p<0.001) and a decrease in the expression level of miR-129-5p (p<0.001), are significantly associated (p<0.001) with stage III/IV and the absence of HER2 expression. For MIR375/miR-375-3p, on the contrary, an association of low methylation level and enhanced expression with increased Ki-67 level (>30%, p<0.05) was revealed. These findings are of interest for understanding the mechanisms of breast cancer development and can provide the basis for the diagnosis and prognosis of the course of this disease. Moreover, the revealed features can be useful for adjusting the course of treatment with consideration of the pathophysiological characteristics of the tumor.
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Affiliation(s)
- E A Filippova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - I V Pronina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - S S Lukina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - T P Kazubskaya
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - E A Braga
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - A M Burdennyi
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia.
| | - V I Loginov
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
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12
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Brovkina OI, Pronina IV, Uroshlev LA, Fridman MV, Loginov VI, Kazubskaya TP, Utkin DO, Kushlinskii NE, Braga EA. [Identification of Novel Differentially Expressing Long Non- Coding RNAs with Oncogenic Potential]. Mol Biol (Mosk) 2021; 55:598-605. [PMID: 34432777 DOI: 10.31857/s0026898421030034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 12/07/2020] [Indexed: 11/24/2022]
Abstract
Recently, a wealth of data have been accumulating on the role of long non-coding RNAs (lncRNAs) in the fine-tuning of mRNA expression. Four new lncRNAs, namely, TMEM92-AS1, FAM222A-AS, TXLNB, and lnc-CCL28, were identified as differentially expressed in ovarian tumors using deep machine learning. The levels of lnc-CCL28 transcripts in both tumors and normal tissue samples were sufficient for further analysis by RT-PCR. In addition, the promising ovarian cancer biomarkers, lncRNAs LINC00152, NEAT 1 and SNHG17 were added to RT-PCR analysis. For the first time, an increase in the level of lnc-CCL28 and SNHG 17 lncRNAs was found in ovarian tumors, and the overexpression of LINC00152 and NEAT1 was confirmed. It seems that lnc-CCL28 is involved in carcinogenesis and, in particular, in ovarian cancer progression. Overexpression of LINC00152 and lnc-CCL28 was significantly associated with the later stages and metastasis.
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Affiliation(s)
- O I Brovkina
- Research Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,Federal Scientific and Clinical Center for Specialized Types of Medical Aid and Medical Technologies of FMBA of Russia, Moscow, 115682 Russia.,
| | - I V Pronina
- Research Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - L A Uroshlev
- Research Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, 117971 Russia
| | - M V Fridman
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, 117971 Russia
| | - V I Loginov
- Research Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - T P Kazubskaya
- Blokhin National Medical Research Center of Oncology of the Ministry of Health, Russian Federation, Moscow, 115478 Russia
| | - D O Utkin
- Blokhin National Medical Research Center of Oncology of the Ministry of Health, Russian Federation, Moscow, 115478 Russia
| | - N E Kushlinskii
- Blokhin National Medical Research Center of Oncology of the Ministry of Health, Russian Federation, Moscow, 115478 Russia
| | - E A Braga
- Research Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
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13
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Burdennyy AM, Filippova EA, Ivanova NA, Lukina SS, Pronina IV, Loginov VI, Fridman MV, Kazubskaya TP, Utkin DO, Braga EA, Kushlinskii NE. Hypermethylation of Genes in New Long Noncoding RNA in Ovarian Tumors and Metastases: A Dual Effect. Bull Exp Biol Med 2021; 171:370-374. [PMID: 34292442 DOI: 10.1007/s10517-021-05230-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Indexed: 12/21/2022]
Abstract
The role of methylation in the regulation of genes of long noncoding RNA (lncRNA) is still poorly understood. We revealed new hypermethylated lncRNA genes in ovarian tumors and their effect on metastasis of ovarian cancer. A multiple and significant (p<0.001) increase in methylation of a group of lncRNA genes (MEG3, SEMA3B-AS1, ZNF667-AS1, and TINCR) was shown by quantitative methylation-specific PCR using the non-parametric Mann-Whitney test. Moreover, methylation of SEMA3B-AS1, ZNF667-AS1, and TINCR genes in ovarian cancer tumors was detected for the first time. Comparative analysis of 19 samples of peritoneal metastases and paired primary tumors showed a significant decrease in the methylation level of the same 4 genes: MEG3 (p=0.004), SEMA3B-AS1 (p=0.002), TINCR (p=0.002), and ZNF667-AS1 (p<0.001). Reduced methylation of suppressor lncRNA genes in peritoneal metastases is probably associated with the involvement of these lncRNA in the regulation of plastic reversion of the epithelial-mesenchymal transition to the mesenchymal-epithelial transition. Thus, the effect of lncRNA and their methylation on the development of tumors and metastases of ovarian cancer was demonstrated, which is important for understanding of the pathogenesis and mechanisms of metastasis of ovarian cancer. New properties of lncRNA can find application in the development of new approaches in the therapy of ovarian cancer.
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Affiliation(s)
- A M Burdennyy
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - E A Filippova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - N A Ivanova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - S S Lukina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - I V Pronina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - V I Loginov
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - M V Fridman
- N. I. Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russia
| | - T P Kazubskaya
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - D O Utkin
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - E A Braga
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia.
| | - N E Kushlinskii
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
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14
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Filippova EA, Fridman MV, Burdennyy AM, Loginov VI, Pronina IV, Lukina SS, Dmitriev AA, Braga EA. Long Noncoding RNA GAS5 in Breast Cancer: Epigenetic Mechanisms and Biological Functions. Int J Mol Sci 2021; 22:ijms22136810. [PMID: 34202777 PMCID: PMC8267719 DOI: 10.3390/ijms22136810] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/15/2021] [Accepted: 06/18/2021] [Indexed: 12/12/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) have been identified as contributors to the development and progression of cancer through various functions and mechanisms. LncRNA GAS5 is downregulated in multiple cancers and acts as a tumor suppressor in breast cancer. GAS5 interacts with various proteins (e.g., E2F1, EZH2, and YAP), DNA (e.g., the insulin receptor promoter), and various microRNAs (miRNAs). In breast cancer, GAS5 binds with miR-21, miR-222, miR-221-3p, miR-196a-5p, and miR-378a-5p that indicates the presence of several elements for miRNA binding (MREs) in GAS5. Mediated by the listed miRNAs, GAS5 is involved in the upregulation of a number of mRNAs of suppressor proteins such as PTEN, PDCD4, DKK2, FOXO1, and SUFU. Furthermore, the aberrant promoter methylation is involved in the regulation of GAS5 gene expression in triple-negative breast cancer and some other carcinomas. GAS5 can stimulate apoptosis in breast cancer via diverse pathways, including cell death receptors and mitochondrial signaling pathways. GAS5 is also a key player in the regulation of some crucial signal pathways in breast cancer, such as PI3K/AKT/mTOR, Wnt/β-catenin, and NF-κB signaling. Through epigenetic and other mechanisms, GAS5 can increase sensitivity to multiple drugs and improve prognosis. GAS5 is thus a promising target in the treatment of breast cancer patients.
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Affiliation(s)
- Elena A. Filippova
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (E.A.F.); (A.M.B.); (V.I.L.); (I.V.P.); (S.S.L.)
| | - Marina V. Fridman
- Vavilov Institute of General Genetics, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Alexey M. Burdennyy
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (E.A.F.); (A.M.B.); (V.I.L.); (I.V.P.); (S.S.L.)
| | - Vitaly I. Loginov
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (E.A.F.); (A.M.B.); (V.I.L.); (I.V.P.); (S.S.L.)
| | - Irina V. Pronina
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (E.A.F.); (A.M.B.); (V.I.L.); (I.V.P.); (S.S.L.)
| | - Svetlana S. Lukina
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (E.A.F.); (A.M.B.); (V.I.L.); (I.V.P.); (S.S.L.)
| | - Alexey A. Dmitriev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Eleonora A. Braga
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (E.A.F.); (A.M.B.); (V.I.L.); (I.V.P.); (S.S.L.)
- Correspondence:
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15
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Kushlinskii NE, Loginov VI, Utkin DO, Filippova EA, Burdennyy AM, Korotkova EA, Pronina IV, Lukina SS, Smirnova AV, Gershtein ES, Braga EA. [Novel miRNAs as Potential Regulators of PD-1/PD-L1 Immune Checkpoint, and Prognostic Value of MIR9-1 and MIR124-2 Methylation in Ovarian Cancer]. Mol Biol (Mosk) 2020; 54:990-996. [PMID: 33276362 DOI: 10.31857/s0026898420060075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 07/05/2020] [Indexed: 11/24/2022]
Abstract
Ovarian cancer (OC) is mostly detected at late stages weighed down with metastasis, and the five-year survival rate of patients is only 30%, which dictates the necessity to develop gentler and more selectively targeted drugs that current chemotherapeutic agents. The search for factors that can influence on the activity of the PD-1/PD-L1 immune checkpoint signaling pathway in tumors is relevant, and micro RNAs (miRNAs) play an important role in it. Over the past 5 years, only a few miRNAs (miR-34a, miR-145, and miR-424), which have a regulatory effect on the PD-1/PD-L1 system in OC patients, have been discovered. In present work, the methylation levels of 13 miRNA genes in 26 primary tumors and 19 peritoneal metastases of OC patients were determined and compared with the level of the soluble form of PD-L1 (sPD-L1) in the blood plasma of the same patients. It was shown that the methylation levels of five miRNA genes (MIR124-2, MIR34B/C, MIR9-1, MIR9-3, and MIR339) in tumors are in direct correlation with the sPD-L1 level in the blood plasma. In addition, when analyzing these five genes, a significant association of the methylation level of the MIR9-1 gene with a decrease in the three-year relapse-free survival, and a trend for decrease in the three-year survival rate with the methylation level of the MIR124-2 gene of OC patients were determined. Thus, the first data suggesting the role of inhibitors of the sPD-L1 immune checkpoint for five miRNAs (miR-124, miR-34b, miR-34c, miR-9, miR-339) and the possibility of using hypermethylated MIR9-1 and, presumably, MIR124-2 genes as independent prognostic markers of poor disease-free survival in OC patients were obtained.
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Affiliation(s)
- N E Kushlinskii
- Blokhin Russian Cancer Research Center, Ministry of Healthcare of the Russian Federation, Moscow, 115478 Russia
| | - V I Loginov
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,Research Centre for Medical Genetics, Moscow, 115478 Russia
| | - D O Utkin
- Sechenov First Moscow State Medical University, Ministry of Healthcare of the Russian Federation, Moscow, 119435 Russia
| | - E A Filippova
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - A M Burdennyy
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - E A Korotkova
- Blokhin Russian Cancer Research Center, Ministry of Healthcare of the Russian Federation, Moscow, 115478 Russia
| | - I V Pronina
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - S S Lukina
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - A V Smirnova
- Sechenov First Moscow State Medical University, Ministry of Healthcare of the Russian Federation, Moscow, 119435 Russia
| | - E S Gershtein
- Blokhin Russian Cancer Research Center, Ministry of Healthcare of the Russian Federation, Moscow, 115478 Russia
| | - E A Braga
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,Research Centre for Medical Genetics, Moscow, 115478 Russia.,
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16
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Kushlinskii NE, Utkin DO, Loginov VI, Filippova EA, Burdennyy AM, Kushlinsky DN, Pronina IV, Braga EA. [Clinical significance of methylation of a group of miRNA genes in patients with ovarian cancer.]. Klin Lab Diagn 2020; 65:321-327. [PMID: 32298550 DOI: 10.18821/0869-2084-2020-65-5-321-327] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 03/18/2020] [Indexed: 02/05/2023]
Abstract
It was found that the proportion of microRNA genes inactivated by methylation of regulatory CpG islands is several times higher than the genes encoding proteins, which increases their attractiveness as promising markers of cancer. The aim of this work is to evaluate the clinical significance of methylation of 13 tumor-associated microRNA genes (MIR-124a-2, MIR-124a-3, MIR-125-B1, MIR-127, MIR-129-2, MIR-132, MIR-137, MIR-203a, MIR-34b/c, MIR-375, MIR-9-1, MIR-9-3, MIR-339) in 26 patients with ovarian cancer. Methylation level was evaluated by the method of methylation-specific PCR in real time. The data obtained in primary tumors (26), histologically unchanged ovarian tissues (15) and peritoneal metastases (19) were compared using a number of statistical programs. For all 13 genes, an increase in the level of methylation was revealed during the transition from unchanged tissue to primary tumors and further from primary tumors to peritoneal metastases; moreover, in the genes MIR-203a, MIR-375 and MIR-339, the level of methylation in metastases increased most significantly (in 2 and more times). A correlation was observed for the first time, showing a consistency between the increase in methylation level in some miRNA pairs, for example, MIR-129-2/MIR-132 (rs> 0,7; p<0,0001), both in primary tumors and in metastases. An analysis of microRNA gene methylation in clinical samples of ovarian cancer showed a correlation between the observed molecular changes both with the initial stages of tumor formation and with the progression and dissemination of ovarian cancer, with the presence of metastases in a large omentum and with the appearance of ascites. The revealed dependencies deepen the understanding of the mechanism of peritoneal metastasis and can be used to select new diagnostic and prognostic markers of ovarian cancer.
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Affiliation(s)
- N E Kushlinskii
- N.N. Blokhin National Medical Research Center of Oncology, Moscow, 115478, Russian Federation
| | - D O Utkin
- N.N. Blokhin National Medical Research Center of Oncology, Moscow, 115478, Russian Federation
| | - V I Loginov
- The Institute of General Pathology and Pathophysiology of the Ministry of Science and Higher Education of the Russian Federation, Moscow, 125315, Russian Federation
| | - E A Filippova
- The Institute of General Pathology and Pathophysiology of the Ministry of Science and Higher Education of the Russian Federation, Moscow, 125315, Russian Federation
| | - A M Burdennyy
- The Institute of General Pathology and Pathophysiology of the Ministry of Science and Higher Education of the Russian Federation, Moscow, 125315, Russian Federation
| | - D N Kushlinsky
- A.F. Tsyb Medical Radiological Scientific Center - branch of the Federal State Budgetary Institution «National Medical Research Center of Radiology» of the Ministry of Health of the Russian Federation, Obninsk, 249036, Russian Federation
| | - I V Pronina
- The Institute of General Pathology and Pathophysiology of the Ministry of Science and Higher Education of the Russian Federation, Moscow, 125315, Russian Federation
| | - E A Braga
- The Institute of General Pathology and Pathophysiology of the Ministry of Science and Higher Education of the Russian Federation, Moscow, 125315, Russian Federation
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17
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Braga EA, Burdennyy AM, Pronina IV, Filippova EA, Kazubskaya TP, Fridman MV, Khodyrev DS, Karpukhin AV, Loginov VI, Kushlinskii NE. System of Markers Based on the Methylation of a Group of Proapoptotic Genes in Combination with MicroRNA in the Diagnosis of Breast Cancer. Bull Exp Biol Med 2020; 168:366-370. [PMID: 31938917 DOI: 10.1007/s10517-020-04710-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Indexed: 01/18/2023]
Abstract
Systems of markers for the diagnosis of breast cancer based on DNA methylation of a group of suppressor protein-coding genes, hypermethylated microRNA genes, and their combinations were compiled. On a representative sample of 70 paired breast cancer specimens (tumor/normal), MS-PCR analysis revealed a significant increase in the methylation frequency of 5 protein-coding genes: RASSF1A suppressor and apoptosis genes APAF1, BAX, BIM/BCL2L11, and DAPK1 (34-61% vs. 4-24%) and 6 microRNA genes: MIRG124G1, MIRG125bG1, MIRG129G2, MIRG148a, MIRG34b/c, and MIRG9G3 (36-76% vs. 6-27%). ROC-analysis showed that a combination of 4 genes (APAF1, BAX, BIM/BCL2L11, and DAPK1) and MIRG125bG1 gene constitute a highly efficient 5-marker system with 100% specificity and sensitivity of 94-96% at AUC=0.98-0.97, suitable also for patients with stage I and II breast cancer. Detection of methylation of at least one gene in this system in biopsy or postoperative material is sufficient to refer the sample to breast cancer.
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Affiliation(s)
- E A Braga
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia. .,N. P. Bochkov Research Center of Medical Genetics, Moscow, Russia.
| | - A M Burdennyy
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia.,N. M. Emanuel Institute for Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - I V Pronina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - E A Filippova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - T P Kazubskaya
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - M V Fridman
- N. I. Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russia
| | - D S Khodyrev
- Federal Research Clinical Center of Specialized Types of Medical Care and Medical Technologies of Federal Medical-Biological Agency of Russia, Moscow, Russia
| | - A V Karpukhin
- N. P. Bochkov Research Center of Medical Genetics, Moscow, Russia
| | - V I Loginov
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia.,N. P. Bochkov Research Center of Medical Genetics, Moscow, Russia
| | - N E Kushlinskii
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
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18
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Braga EA, Filippova EA, Loginov VI, Pronina IV, Burdennyi AM, Kazubskaya TP, Fridman MV, Khodyrev DS, Kushlinskii NE. Marker Systems Based on MicroRNA Gene Methylation for the Diagnosis of Stage I-II Breast Cancer. Bull Exp Biol Med 2019; 168:280-284. [PMID: 31782000 DOI: 10.1007/s10517-019-04691-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Indexed: 12/31/2022]
Abstract
Groups of microRNA genes, methylation of which is associated with the initial (I-II) stages of breast cancer, are determined, and new markers and marker systems for the disease diagnosis were created on the basis of these data. A total of 14 genes in which methylation was associated with breast cancer were identified with the use of methyl-specific PCR on a representative sample of 70 tumor specimens. Analysis of 46 specimens from patients with clinical stages I and II detected 9 genes (MIR-124-1, MIR-124-3, MIR-125b-1, MIR-129-2, MIR-132, MIR-148a, MIR-193a, MIR-34b/c, and MIR-9-3), in which methylation was associated with the initial stages of the disease. Using ROC analysis, we formed two systems including 6 markers each and detecting breast cancer at stages I-II with high sensitivity (89 and 91%) and specificity (88%) at AUC=0.92-0.93. These sets were validated on the total sample of 70 specimens including all disease stages; they showed 93 and 94% sensitivities, 88% specificity, and AUC=0.95. Highly sensitive systems of markers, based on microRNA gene methylation, were created for the diagnosis of breast cancer at stages I-II.
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Affiliation(s)
- E A Braga
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia. .,Medical Genetic Research Center, Moscow, Russia.
| | - E A Filippova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - V I Loginov
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia.,Medical Genetic Research Center, Moscow, Russia
| | - I V Pronina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - A M Burdennyi
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - T P Kazubskaya
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - M V Fridman
- N. I. Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russia
| | - D S Khodyrev
- Federal Research Clinical Center of Specialized Types of Medical Care and Medical Technologies, Federal Biomedical Agency of Russia, Moscow, Russia
| | - N E Kushlinskii
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, Russia
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Loginov VI, Burdennyy AM, Filippova EA, Pronina IV, Kazubskaya TP, Kushlinsky DN, Ermilova VD, Rykov SV, Khodyrev DS, Braga EA. [Hypermethylation of miR-107, miR-130b, miR-203a, miR-1258 Genes Associated with Ovarian Cancer Development and Metastasis]. Mol Biol (Mosk) 2019; 52:801-809. [PMID: 30363055 DOI: 10.1134/s0026898418050105] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 09/14/2017] [Indexed: 11/23/2022]
Abstract
It is known that microRNAs (miRNAs) are able to dynamically regulate gene expression. At the same time, methylation can reduce expression of miRNA encoding genes and, therefore, reduce their inhibitory effects on mRNAs of target genes, including those of oncogenes, that promoting the development of tumors of different localization. The role of miRNA hypermethylation in the pathogenesis of ovarian cancer is not completely understood; so we conducted a search for new hypermethylated and potentially suppressor miRNA genes in ovarian tumors. Four new miRNA genes (MIR-107, MIR-130b, MIR-203a, MIR-1258) commonly hypermethylated (28-52%) in tumor tissues vs 4-7% in paired histologically normal tissues, p < 0.01, were identified in a representative set of 54 ovarian cancer samples using methylation-specific PCR. It was shown that hypermethylation of MIR-130b, MIR-203a, and MIR-1258 genes is significantly (p < 0.05) associated with metastasis of ovarian cancer. These results suggest the involvement of four miRNAs (miR-107, miR-130b, miR-203a, and miR-1258) and hypermethylation of their encoding genes in the pathogenesis of ovarian cancer.
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Affiliation(s)
- V I Loginov
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,Research Center of Medical Genetics, Moscow, 115478 Russia.,
| | - A M Burdennyy
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - E A Filippova
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - I V Pronina
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - T P Kazubskaya
- Blokhin Russian Cancer Research Center, Moscow, 115478 Russia
| | - D N Kushlinsky
- Blokhin Russian Cancer Research Center, Moscow, 115478 Russia
| | - V D Ermilova
- Blokhin Russian Cancer Research Center, Moscow, 115478 Russia
| | - S V Rykov
- State Research Institute for Genetics and Selection of Industrial Microorganisms, Kurchatov Institute National Research Center, Moscow, 117545 Russia
| | - D S Khodyrev
- State Research Institute for Genetics and Selection of Industrial Microorganisms, Kurchatov Institute National Research Center, Moscow, 117545 Russia.,Federal Research Clinical Center of Specialized Types of Medical Care and Medical Technologies, Federal Biomedical Agency of Russia, Moscow, 115682 Russia
| | - E A Braga
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,Research Center of Medical Genetics, Moscow, 115478 Russia.,
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Filippova EA, Loginov VI, Pronina IV, Khodyrev DS, Burdennyya AM, Kazubskaya TP, Braga EA. [A Group of Hypermethylated miRNA Genes in Breast Cancer and Their Diagnostic Potential]. Mol Biol (Mosk) 2019; 53:421-429. [PMID: 31184607 DOI: 10.1134/s0026898419030054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 12/12/2018] [Indexed: 11/23/2022]
Abstract
miRNA genes play an important role in cancer pathogenesis, while they may be suppressed by hypermethylation. Here, we assess the diagnostic potential of a group of hypermethylated miRNA genes (MIR-124-1, MIR-124-3, MIR-125B-1, MIR-127, MIR-132, MIR-193a, and MIR-34b/c) in a representative set of 70 breast cancer samples and 17 breast tissue samples from deceased donors with no malignancies. For these seven genes, the methylation status is determined using the methylation-specific PCR. Methylation reached 26-76% in tumor specimens, 1-27% in paired considered normal breast tissues, and 0-18% in breast tissue from deceased donors. By quantitative RT-PCR, reduced expression levels of the investigated miRNAs are detected, with a negative correlation of expression levels with gene hypermethylation. Combinations of three or four hypermethylation biomarkers, namely, MIR-124-1, MIR-125B-1, MIR-127, and MIR-34b/c are found suitable for breast cancer diagnostics; with sensitivity (76-93%), specificity (88-100%), and AUC (0.88-0.94). Notably, the MIR-127 gene was hypermethylated only in the tumor samples of patients with metastases, and, therefore, should be tested as a marker of breast cancer dissemination. These findings may lead to improvement in the management of breast cancer.
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Affiliation(s)
- E A Filippova
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - V I Loginov
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,Research Center of Medical Genetics, Moscow, 115478 Russia
| | - I V Pronina
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - D S Khodyrev
- Federal Research Clinical Center of Specialized Types of Medical Care and Medical Technologies, Federal Medico-Biological Agency of Russia, Moscow, 115682 Russia
| | - A M Burdennyya
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - T P Kazubskaya
- Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, 115478 Russia
| | - E A Braga
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,Research Center of Medical Genetics, Moscow, 115478 Russia.,
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Pronina IV, Klimov EA, Burdennyy AM, Beresneva EV, Fridman MV, Ermilova VD, Kazubskaya TP, Karpukhin AV, Braga EA, Loginov VI. [Methylation of the genes for the microRNAs miR-129-2 and miR-9-1, changes in their expression, and activation of their potential target genes in clear cell renal cell carcinoma]. Mol Biol (Mosk) 2019; 51:73-84. [PMID: 28251969 DOI: 10.7868/s0026898416060161] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 11/23/2015] [Indexed: 11/23/2022]
Abstract
Methylation of promoter CpG islands and microRNA (miRNA) interactions with mRNAs of target genes are epigenetic mechanisms that play a crucial role in deregulation of gene expression and signaling pathways in tumors. Altered expression of six chromosome 3p genes (RARB(2), SEMA3B, RHOA, GPX1, NKIRAS1, and CHL1) and two miRNA genes (MIR-129-2 and MIR-9-1) was observed in primary clear cell renal cell carcinomas (ccRCCs, 31-48 samples) by RT-PCR and qPCR. Significant downregulation (p < 0.05, Fisher's exact test) was observed for SEMA3B, NKIRAS1, and CHL1; and differential expression, for the other chromosome 3p and miRNA genes. Methylation-specific PCR with primers to RARB(2), SEMA3B, MIR-129-2, and MIR-9-1 showed that their methylation frequency was significantly (p < 0.05, Fisher's exact test) elevated in the ccRCC samples. Significant correlations between promoter methylation and expression were confirmed for SEMA3B and observed for the first time for RARB(2), GPX1, and MIR-129-2 in ccRCC (Spearman's correlation coefficient rs ranging 0.31-0.60, p < 0.05). The MIR-129-2 and RARB(2) methylation frequencies significantly correlated with ccRCC progression. MIR-129-2 methylation correlated with upregulation of RARB(2), RHOA, NKIRAS1, and CHL1 (rs ranging 0.35-0.53, p < 0.05). The findings implicate methylation in regulating RARB(2), SEMA3B, GPX1, and MIR-129-2 and indicate that miR-129-2 and methylation of its gene affect RARB(2), RHOA, NKIRAS1, and CHL1 expression.
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Affiliation(s)
- I V Pronina
- Research Centre of Medical Genetics, Moscow, 115478 Russia.,Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,
| | - E A Klimov
- Biological Faculty, Moscow State University, Moscow, 119234 Russia
| | - A M Burdennyy
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, 119334 Russia
| | - E V Beresneva
- State Research Institute of Genetics and Selection of Industrial Microorganisms, Moscow, 117545 Russia
| | - M V Fridman
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, 117971 Russia
| | - V D Ermilova
- Blokhin Cancer Research Center, Moscow, 115478 Russia
| | | | - A V Karpukhin
- Research Centre of Medical Genetics, Moscow, 115478 Russia
| | - E A Braga
- Research Centre of Medical Genetics, Moscow, 115478 Russia.,Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - V I Loginov
- Research Centre of Medical Genetics, Moscow, 115478 Russia.,Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,
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Braga EA, Loginov VI, Filippova EA, Burdennyi AM, Pronina IV, Kazubskaya TP, Khodyrev DS, Utkin DO, Kushlinskii DN, Adamyan LV, Kuslinskii NE. Diagnostic Value of a Group of MicroRNA Genes Hypermethylated in Ovarian Carcinoma. Bull Exp Biol Med 2018; 166:253-256. [PMID: 30488208 DOI: 10.1007/s10517-018-4326-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Indexed: 10/27/2022]
Abstract
The study was designed to determine genes of microRNAs hypermethylated in malignant ovarian tumors and to select new diagnostic and prognostic markers of the disease and effective system of markers. Using methyl-specific PCR and a representative sample of 54 ovarian cancer specimens, we determined 5 microRNA genes (MIR-34b/c, MIR-9-1, MIR-124-3, MIR-129-2, and MIR-107) hypermethylated in the majority of tumor samples in comparison with paired samples of histologically unchanged tissue (48-57% vs. 4-19%, p<0.001). Using ROC-analysis, we selected an effective system of 4 markers for diagnosis of ovarian cancer (MIR-9-1, MIR-124-3, MIR-129-2, and MIR-107) characterized by high sensitivity and specificity (up to 87-94% at AUC=0.92) relative to the conventional norm (54 paired samples of histologically unchanged tissue) and absolute norm (18 ovarian tissue samples from subjects who died from non-tumor diseases). It was also shown that methylation of MIR-129-2, MIR-9-1, and MIR-34b/c genes is significantly (p<0.01) correlated with the clinical stage or the presence of metastases. The results indicate that epigenetic modifications of the studied microRNA genes are involved in the pathogenesis and progression of ovarian cancer and attest to their diagnostic and prognostic potential.
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Affiliation(s)
- E A Braga
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia. .,Research Center of medical Genetics, Moscow, Russia.
| | - V I Loginov
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia.,Research Center of medical Genetics, Moscow, Russia
| | - E A Filippova
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - A M Burdennyi
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - I V Pronina
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - T P Kazubskaya
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russian Federation, Moscow, Russia
| | - D S Khodyrev
- Federal Scientific and Clinical Center of Specialized Medical Assistance and Medical Technologies, Federal Medical and Biological Agency of the Russian Federation, Moscow, Russia
| | - D O Utkin
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russian Federation, Moscow, Russia
| | - D N Kushlinskii
- V. I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russian Federation, Moscow, Russia
| | - L V Adamyan
- V. I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russian Federation, Moscow, Russia
| | - N E Kuslinskii
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russian Federation, Moscow, Russia
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23
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Loginov VI, Burdennyy AM, Pronina IV, Khokonova VV, Kurevljov SV, Kazubskaya TP, Kushlinskii NE, Braga EA. [Novel miRNA genes hypermethylated in breast cancer]. Mol Biol (Mosk) 2017; 50:797-802. [PMID: 27830681 DOI: 10.7868/s0026898416050104] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 12/09/2015] [Indexed: 11/23/2022]
Abstract
MicroRNAs play an important role in the regulation of expression of many genes involved in cancer pathogenesis. One of the causes of miRNA level deregulation in tumors is the methylation of CpG islands in the promoter regions of the genes that encode them. Hypermethylation may lead to the suppression of miRNA gene expression and, as a consequence, to a decrease in their inhibitory effect on target gene mRNAs. A search for new miRNA genes hypermethylated in breast cancer has been carried out in the present study. The methylation of five miRNA genes associated with breast cancer (miR-132, miR-1258, miR-107, miR-130b, miR-137) has been as studied using a representative set of 41 breast cancer samples by methylation-specific PCR. Three new genes, MIR-132, MIR-137 and MIR-1258, with a high frequency of hypermethylation (41, 37 and 34%, respectively) have been identified in breast cancer. The methylation of these genes in the breast tissues of ten donors without cancer pathology in anamnesis was only found in single cases. These results enable the involvement of three miRNAs (miR-132, miR-137, miR-1258) and the methylation of the genes that encode them in the pathogenesis of breast cancer to be suggested.
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Affiliation(s)
- V I Loginov
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,
| | - A M Burdennyy
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - I V Pronina
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - V V Khokonova
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - S V Kurevljov
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia
| | - T P Kazubskaya
- Blokhin Russian Cancer Research Center, Moscow, 115478 Russia
| | - N E Kushlinskii
- Blokhin Russian Cancer Research Center, Moscow, 115478 Russia
| | - E A Braga
- Institute of General Pathology and Pathophysiology, Moscow, 125315 Russia.,
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Pronina IV, Loginov VI, Burdennyy AM, Fridman MV, Senchenko VN, Kazubskaya TP, Kushlinskii NE, Dmitriev AA, Braga EA. DNA methylation contributes to deregulation of 12 cancer-associated microRNAs and breast cancer progression. Gene 2017; 604:1-8. [DOI: 10.1016/j.gene.2016.12.018] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 11/11/2016] [Accepted: 12/16/2016] [Indexed: 12/01/2022]
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25
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Beresneva EV, Loginov VI, Khodyrev DS, Pronina IV, Kazubskaya TP, Karpukhin AV, Braga EA, Kushlinskii NE. [The hyper-methylated genes microRNA as potential markers of clear-cell carcinoma of kidney]. Klin Lab Diagn 2017; 62:13-18. [PMID: 30615358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The clear-cell carcinoma of kidney is characterized by high rate of lethal outcomes. The lethality makes up to 16% in the first year after disease was diagnosed. The absence of efficient diagnostic at early stages (30% of all cases of clear-cell carcinoma of kidney are found out at late stages if there is metastatic disease) indicates the necessity of searching new biomarkers of clear-cell carcinoma of kidney. The disorders in methylation of regulatory genes of micro-RNA are one the causes of development of tumor. The purpose of the present study is to discover hyper-methylated genes of micro-RNA under clear-cell carcinoma of kidney and to evaluate their diagnostic and prognostic characteristics. The establishment of status of methylation of genes of micro-RNA in samples of DNA from tumor and unaltered tissue of 50 patients with clear-cell carcinoma of kidney was implemented using bisulfite conversion of DNA and subsequent methyl-specific polymerase chain reaction. The frequent hyper-methylation of seven genes of micro-RNA (miR-9-1/3, miR-124a-1/2/3, miR-34b/c, miR-129-2) in tumors of clear-cell carcinoma of kidney. Out of 7 analyzed genes of micro-RNA the systems of markers on 2-4 genes in each one were compiled. According ROC-analysis, the sensitivity of 4 markers systems reaches 88%, specificity - 94% (AUC 0.83-0.84). Furthermore, it is demonstrated that hyper-methylation of 5 genes of micro-RNA (miR-9-1/3, miR-124a-1/2/3, miR-34b/c, miR-129-2) is associated with parameters of progression of clear-cell carcinoma of kidney (stage, size of tumor, degree of differentiation, metastasis in lymph nodes on remote organs). Out of genes which hyper-methylation is associated with metastasis disease (miR-9-1/3, miR-124a-1/2/3, miR-34b/c, miR-129-2) 5 prognostic systems of markers were compiled and characterized. The hyper-methylation of gene miR-129-2 is a new efficient marker of prognosis of metastasis disease (sensitivity 75% and specificity 79%, AUC 0.77) that can be combined with markers discovered in other studies.
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Rotkina AS, Pronina IV, Lazarev VN, Akhaev DN, Baskova IP. Destabilase-lysozyme-2 - original recombinant thrombolytic preparation of medicinal leech inhibits horse platelets aggregation. Patol Fiziol Eksp Ter 2016; 60:47-51. [PMID: 29244473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
UNLABELLED The purpose. Identifying the capacity of the medicinal leech novel original recombinant thrombolytic preparation Destabilase-Lysozyme-2 to inhibit the blood platelet aggregation. METHODS Gene of destabilase-lysozyme. ds2 (mlDL-Ds2 ), was cloned in E.coli cells. Recombinant protein was isolated in denaturing conditions using metal-chelate chromatography followed by denaturation of the polypeptide by rapid dilution in exact accordance with the procedure described by Kurdyumov A.S. et al. ( 2016, Russian Journal of Bioorganic Chemistry, v.42, s. 42-52). Blood was collected from the jugular vein of 18 horses. The functional status of platelets in the presence of different destabilase-lysozyme concentrations were evaluated for their aggregation in Platelet Rich Plasma ( PRP) and in Washed Platelet suspension (WP) using aggregometers Chrono-Log-700 and Сhrono-Log-560, USA560, США. As used aggregation inducers of ADP, collagen type III and human thrombin. RESULTS First demonstrated the ability of newly synthesized (Kurdyumov A.S. et al. 2016, Russian Journal of Bioorganic Chemistry, v42, s. 42-52) thrombolytic recombinant enzyme destabilase-lyzosyme to inhibit more than 40% of ADP-stimulated PRP aggregation and ADP- stimulated aggregation of horse blood washed platelets. CONCLUSION The ability of destabilase-lyzosyme -2 to inhibit platelets aggregation extends biological properties of recombinant thrombolytic enzyme, pre-clinical trials which resulted in the end of 2015.
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Braga EA, Khodyrev DS, Loginov VI, Pronina IV, Senchenko VN, Dmitriev AA, Kubatiev AA, Kushlinskii NE. [Methylation in the Regulation of the Expression of Chromosome 3 and microRNA Genes in Clear-Cell Renal Cell Carcinomas]. Genetika 2015; 51:668-684. [PMID: 26310030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The methylation of CpG islands in promoter regions, together with the interaction of miRNAs with the mRNAs of their target genes on the posttranscriptional level, are complex epigenetic mechanisms that perform the delicate and dynamic regulation of genes and signal transduction pathways in the cell. This review summarizes the results obtained by the authors, as well as the literature data, on the roles of methylation in regulating the protein-coding genes of chromosome 3 and a number of miRNA genes in clear-cell renal cell carcinomas. The results are based on the use of genomic NotI-microarrays (which allow the identification of both methylation and deletions in genes containing CpG islands) and on some other approaches. The application of NotI-microarray technology to the analysis of the chromosome-3 short arm, a region of frequent deletions in tumors, gave us the opportunity to identify many novel genes associated with kidney cancer pathogenesis. The relationship between alterations in the expression leyels and methylation of chromosome 3 genes, kidney cancer progression, and metastasis was shown. New microRNAs involved in kidney cancer pathogenesis were identified as well. The functions of microRNA genes methylated in kidney cancer were discussed.
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Loginov VI, Dmitriev AA, Senchenko VN, Pronina IV, Khodyrev DS, Kudryavtseva AV, Krasnov GS, Gerashchenko GV, Chashchina LI, Kazubskaya TP, Kondratieva TT, Lerman MI, Angeloni D, Braga EA, Kashuba VI. Tumor Suppressor Function of the SEMA3B Gene in Human Lung and Renal Cancers. PLoS One 2015; 10:e0123369. [PMID: 25961819 PMCID: PMC4427300 DOI: 10.1371/journal.pone.0123369] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Accepted: 02/05/2015] [Indexed: 12/26/2022] Open
Abstract
The SEMA3B gene is located in the 3p21.3 LUCA region, which is frequently affected in different types of cancer. The objective of our study was to expand our knowledge of the SEMA3B gene as a tumor suppressor and the mechanisms of its inactivation. In this study, several experimental approaches were used: tumor growth analyses and apoptosis assays in vitro and in SCID mice, expression and methylation assays and other. With the use of the small cell lung cancer cell line U2020 we confirmed the function of SEMA3B as a tumor suppressor, and showed that the suppression can be realized through the induction of apoptosis and, possibly, associated with the inhibition of angiogenesis. In addition, for the first time, high methylation frequencies have been observed in both intronic (32-39%) and promoter (44-52%) CpG-islands in 38 non-small cell lung carcinomas, including 16 squamous cell carcinomas (SCC) and 22 adenocarcinomas (ADC), and in 83 clear cell renal cell carcinomas (ccRCC). Correlations between the methylation frequencies of the promoter and the intronic CpG-islands of SEMA3B with tumor stage and grade have been revealed for SCC, ADC and ccRCC. The association between the decrease of the SEMA3B mRNA level and hypermethylation of the promoter and the intronic CpG-islands has been estimated in renal primary tumors (P < 0.01). Using qPCR, we observed on the average 10- and 14-fold decrease of the SEMA3B mRNA level in SCC and ADC, respectively, and a 4-fold decrease in ccRCC. The frequency of this effect was high in both lung (92-95%) and renal (84%) tumor samples. Moreover, we showed a clear difference (P < 0.05) of the SEMA3B relative mRNA levels in ADC with and without lymph node metastases. We conclude that aberrant expression and methylation of SEMA3B could be suggested as markers of lung and renal cancer progression.
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MESH Headings
- Animals
- Carcinoma, Renal Cell/genetics
- Carcinoma, Renal Cell/pathology
- Cell Line, Tumor
- CpG Islands
- DNA Methylation
- Gene Expression Regulation, Neoplastic
- Humans
- Kidney/metabolism
- Kidney/pathology
- Kidney Neoplasms/genetics
- Kidney Neoplasms/pathology
- Lung/metabolism
- Lung/pathology
- Lung Neoplasms/genetics
- Lung Neoplasms/pathology
- Membrane Glycoproteins/genetics
- Mice, SCID
- Neoplasms, Squamous Cell/genetics
- Neoplasms, Squamous Cell/pathology
- Neovascularization, Pathologic/genetics
- Neovascularization, Pathologic/pathology
- Promoter Regions, Genetic
- Semaphorins/genetics
- Small Cell Lung Carcinoma/genetics
- Small Cell Lung Carcinoma/pathology
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Affiliation(s)
- Vitaly I. Loginov
- Laboratory of Pathogenomics and Transcriptomics, Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, 125315, Moscow, Russia
- Laboratory of Molecular Genetics of Complex Inherited Diseases, Research Center of Medical Genetics, Russian Academy of Medical Sciences, 115478, Moscow, Russia
| | - Alexey A. Dmitriev
- Laboratory of Structural and Functional Genomics, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991, Moscow, Russia
- Department of Pathomorphology, P.A. Herzen Moscow Cancer Research Institute, Ministry of Healthcare of the Russian Federation, 125284, Moscow, Russia
| | - Vera N. Senchenko
- Laboratory of Structural and Functional Genomics, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991, Moscow, Russia
| | - Irina V. Pronina
- Laboratory of Pathogenomics and Transcriptomics, Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, 125315, Moscow, Russia
- Laboratory of Molecular Genetics of Complex Inherited Diseases, Research Center of Medical Genetics, Russian Academy of Medical Sciences, 115478, Moscow, Russia
| | - Dmitry S. Khodyrev
- Laboratory of Genetics, Federal Research Clinical Center of Federal Medical and Biological Agency of Russia, 115682, Moscow, Russia
| | - Anna V. Kudryavtseva
- Laboratory of Structural and Functional Genomics, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991, Moscow, Russia
- Department of Pathomorphology, P.A. Herzen Moscow Cancer Research Institute, Ministry of Healthcare of the Russian Federation, 125284, Moscow, Russia
| | - George S. Krasnov
- Laboratory of Structural and Functional Genomics, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991, Moscow, Russia
- Laboratory of Biotechnology, Mechnikov Research Institute for Vaccines and Sera, Russian Academy of Medical Sciences, 105064, Moscow, Russia
| | - Ganna V. Gerashchenko
- Department of Molecular Oncogenetics, Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 03680, Kiev, Ukraine
| | - Larisa I. Chashchina
- Department of Molecular Oncogenetics, Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 03680, Kiev, Ukraine
| | - Tatiana P. Kazubskaya
- Research Institute of Clinical Oncology, N.N. Blokhin Cancer Research Center, Russian Academy of Medical Sciences, 115478, Moscow, Russia
| | - Tatiana T. Kondratieva
- Research Institute of Clinical Oncology, N.N. Blokhin Cancer Research Center, Russian Academy of Medical Sciences, 115478, Moscow, Russia
| | | | - Debora Angeloni
- The Institute of Life Sciences, Scuola Superiore Sant'Anna, 56127, Pisa, Italy
- Institute of Clinical Physiology, National Research Council, 56124, Pisa, Italy
- Istituto Toscano Tumori, 56124, Pisa, Italy
| | - Eleonora A. Braga
- Laboratory of Pathogenomics and Transcriptomics, Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, 125315, Moscow, Russia
- Laboratory of Molecular Genetics of Complex Inherited Diseases, Research Center of Medical Genetics, Russian Academy of Medical Sciences, 115478, Moscow, Russia
- Laboratory of Post Genomic Molecular Genetic Research, Institute of Biochemical Physics, Russian Academy of Sciences, 119334, Moscow, Russia
| | - Vladimir I. Kashuba
- Department of Molecular Oncogenetics, Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 03680, Kiev, Ukraine
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, SE-17177, Stockholm, Sweden
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Abstract
MicroRNAs play an important role in the regulation of expression of many genes and are involved in carcinogenesis. The regulation of miRNA gene expression can involve the methylation of promoter CpG islands. In this work, the methylation of six miRNA genes (mir-107, mir-125b-1, mir-130b, mir-137, mir-375, and mir-1258) in non-small-cell lung cancer (NSCLC) was studied for the first time by methylation-specific PCR using a representative set of specimens (39 cases). Four new genes (mir-125b-1, mir-137, mir-375, and mir-1258) methylated in primary NSCLC tumors were identified with frequencies of 56, 31, 56, and 36%, respectively. The frequencies of miRNA promoter methylation in DNA of tumors and histologically normal tissues differed significantly (P < or = 0.05 by Fisher's test). In lung tissues of 20 donors without a history of cancer, these genes were only methylated in a few cases. It was also shown that the previously unstudied promoter CpG islands of mir-107 and mir-130b were not methylated in NSCLC. The frequencies of mir-125b-1 and mir-137 methylation were shown for the first time to correlate with NSCLC progression (clinical stage and metastasis).
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Beresneva EV, Rykov SV, Hodyrev DS, Pronina IV, Ermilova VD, Kazubskaia TP, Braga EA, Loginov VI. [Methylation profile of group of miRNA genes in clear cell renal cell carcinoma; involvement in cancer progression]. Genetika 2013; 49:366-375. [PMID: 23755536 DOI: 10.7868/s001667581303003x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
MicroRNA regulates gene expression, is involved in many cellular processes, and plays an important role in the development of cancer. The regulation of the expression of miRNA genes can be achieved by methylating their CpG islands, which is shown in different types of tumors. The methylation of miRNA genes in clear cell renal cell carcinoma (CCRCC) has mainly been studied for the miR-9 and miR-34 families. The methylation of six miRNA genes (miR-124a-2, -124a-3, -9-1, -9-3, -34b/c, -129-2) was investigated with the use of representative set of CCRCC samples (46 cases). Methylation of three genes miR-124a-2, -124a-3, and -129-2 was studied in kidney tumors for the first time. Methylation analysis was performed using methyl specific PCR. It is shown that the frequency of methylation of six genes (miR-124a-2, -124a-3, -9-1, -9-3, -34b/c and -129-2) was significantly higher in tumor samples than in samples of histologically normal tissue (P < 3 x 10(-5) by Fisher's exact test). These results suggest the properties of tumor suppressors for the six miRNA genes indicated in CCRCC. We also found correlations between the methylation frequency of some miRNA genes and signs of the progression of CCRCC (tumor size, clinical stage, loss of differentiation, and metastasis).
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Khodyrev DS, Pronina IV, Rykov SV, Beresneva EV, Fridman MV, Kazubskaia TP, Loginov VI, Braga ÉA. [Methylation of some miRNA genes is involved in the regulation of their target genes RAR-beta2 and NKIRAS1 expression in lung cancer]. Mol Biol (Mosk) 2012; 46:773-785. [PMID: 23156677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
To date, there are more than two thousand human miRNAs, each of them may be involved in the regulation of hundreds of protein coding target genes. Methylation of CpG-islands, in turn, affects miRNAs gene expression. Our aim was to evaluate the role of methylation in the regulation of miRNA gene expression and, consequently, in the regulation of expression of target genes in primary lung tumors. Using a common collection of non-small cell lung cancer samples we performed a comprehensive study, including analysis of the methylation status and expression levels of some miRNA genes and their potential target genes on chromosome 3: RAR-beta2 and NKIRAS1. Increased frequency of methylation in lung tumors compared to histologically normal tissue was revealed for miR-9-1 and miR-34b/c genes with significant statistics (P < or = 0.05 by Fisher exact test) and for miR-9-3 and miR-193a was marginally significant (P < or = 0.1). Significant correlation was revealed between alterations of methylation and expression level of miR-9-1 gene (P = 5 x 10(-12) by Spearman) in the lung tumors, this suggests the role of methylation in the regulation of expression of this miRNA genes. Besides, a statistically significant negative correlation (P = 3 x 10(-12)-5 x 10(-13) by Spearman) was found between alterations of expression levels of miR-9-1 and miR-17and RAR-beta2 target gene and also between expression level alterations of miR-17 and NKIRAS1 that was not previously analyzed. The inverse relationship between expression levels of miRNA genes and their target genes is consistent with the known mechanism of suppression of protein coding genes expression under the action of miRNAs. For the first time significant correlations (P = 3 x 10(-10)-4 x 10(-13) by Spearman) were shown between alterations of methylation status of miRNA genes (miR-9-1, miR-9-3, miR-34b/c, miR-193a) and the expression level of RAR-beta2 target gene and between alterations of methylation status of miR-34b/c, and miR-193a and the expression level of NKIRAS1 target gene in the primary lung tumors, which suggests the possibility of indirect effects of methylation of miRNA genes on expression level of target genes.
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Dmitriev AA, Kashuba VI, Haraldson K, Senchenko VN, Pavlova TV, Kudryavtseva AV, Anedchenko EA, Krasnov GS, Pronina IV, Loginov VI, Kondratieva TT, Kazubskaya TP, Braga EA, Yenamandra SP, Ignatjev I, Ernberg I, Klein G, Lerman MI, Zabarovsky ER. Genetic and epigenetic analysis of non-small cell lung cancer with NotI-microarrays. Epigenetics 2012; 7:502-13. [PMID: 22491060 DOI: 10.4161/epi.19801] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
This study aimed to clarify genetic and epigenetic alterations that occur during lung carcinogenesis and to design perspective sets of newly identified biomarkers. The original method includes chromosome 3 specific NotI-microarrays containing 180 NotI clones associated with genes for hybridization with 40 paired normal/tumor DNA samples of primary lung tumors: 28 squamous cell carcinomas (SCC) and 12 adenocarcinomas (ADC). The NotI-microarray data were confirmed by qPCR and bisulfite sequencing analyses. Forty-four genes showed methylation and/or deletions in more than 15% of non-small cell lung cancer (NSCLC) samples. In general, SCC samples were more frequently methylated/deleted than ADC. Moreover, the SCC alterations were observed already at stage I of tumor development, whereas in ADC many genes showed tumor progression specific methylation/deletions. Among genes frequently methylated/deleted in NSCLC, only a few were already known tumor suppressor genes: RBSP3 (CTDSPL), VHL and THRB. The RPL32, LOC285205, FGD5 and other genes were previously not shown to be involved in lung carcinogenesis. Ten methylated genes, i.e., IQSEC1, RBSP3, ITGA 9, FOXP1, LRRN1, GNAI2, VHL, FGD5, ALDH1L1 and BCL6 were tested for expression by qPCR and were found downregulated in the majority of cases. Three genes (RBSP3, FBLN2 and ITGA9) demonstrated strong cell growth inhibition activity. A comprehensive statistical analysis suggested the set of 19 gene markers, ANKRD28, BHLHE40, CGGBP1, RBSP3, EPHB1, FGD5, FOXP1, GORASP1/TTC21, IQSEC1, ITGA9, LOC285375, LRRC3B, LRRN1, MITF, NKIRAS1/RPL15, TRH, UBE2E2, VHL, WNT7A, to allow early detection, tumor progression, metastases and to discriminate between SCC and ADC with sensitivity and specificity of 80-100%.
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Affiliation(s)
- Alexey A Dmitriev
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden
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Pronina IV, Loginov VI, Kholdyrev DS, Kazubskaia TP, Braga ÉA. [Alterations of expression level of RASSFIA gene in primary epithelial tumors of various locations]. Mol Biol (Mosk) 2012; 46:260-268. [PMID: 22670522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Tumor-suppressor activity was established for RASSF1A gene by in vitro and in vivo including studies of knock-out mutated mice cells. Data on methylation of promoter region and expression decrease revealed mainly in cancer cell lines were reported. Here, analysis of RASSF1A mRNA quantity was performed for the first time in primary epithelial malignant tumors of five various locations from 130 patients by semi-quantitative RT-PCR. Representative sets of kidney, lung and breast carcinomas samples were studied. Preliminary data for RASSF1A expression in ovarian and colorectal carcinomas are also reported. Our system studies showed unexpected expression profiles, namely mRNA level increase more frequently (2-7 times) than decrease in renal, breast, ovarian, and colorectal carcinomas. Increasing RASSF1A mRNA level was revealed significantly more frequently in renal cell carcinoma (24/38, 63% vs. 8/38, 21%, P = 0.0004, by Fisher exact test) and ovarian carcinomas (8/13, 62% vs. 2/13, 15%, P = 0.0114). Only in non-small cell lung cancer decreasing and increasing of RASSF1A expression were observed with equal frequency (16/38, 42%). Noteworthy, for early clinical stages prevalence of increasing expression both in squamous cell lung cancer and in adenocarcinoma was revealed, and for advanced clinical stages evident prevalence of decreasing RASSF1A expression was established. Cases with increasing expression both in early and advanced stages of clear cell renal cell carcinoma were in prevalence, in advanced stages it was proved significantly (P = 0.0094). These data suggested that RASSF1A expression alterations were tumor specific. Mentioned above regularity could point onto ambivalent RASSF1A functions in tumors--a tumor-suppressor gene and a proto-oncogene as well.
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Haraldson K, Kashuba VI, Dmitriev AA, Senchenko VN, Kudryavtseva AV, Pavlova TV, Braga EA, Pronina IV, Kondratov AG, Rynditch AV, Lerman MI, Zabarovsky ER. LRRC3B gene is frequently epigenetically inactivated in several epithelial malignancies and inhibits cell growth and replication. Biochimie 2012; 94:1151-7. [PMID: 22321817 DOI: 10.1016/j.biochi.2012.01.019] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2011] [Accepted: 01/26/2012] [Indexed: 12/11/2022]
Abstract
Chromosome 3 specific NotI microarrays containing 180 NotI linking clones associated with 188 genes were hybridized to NotI representation probes prepared using matched tumor/normal samples from major epithelial cancers: breast (47 pairs), lung (40 pairs) cervical (43 pairs), kidney (34 pairs of clear cell renal cell carcinoma), colon (24 pairs), ovarian (25 pairs) and prostate (18 pairs). In all tested primary tumors (compared to normal controls) methylation and/or deletions was found. For the first time we showed that the gene LRRC3B was frequently methylated and/or deleted in breast carcinoma - 32% of samples, cervical - 35%, lung - 40%, renal - 35%, ovarian - 28%, colon - 33% and prostate cancer - 44%. To check these results bisulfite sequencing using cloned PCR products with representative two breast, one cervical, two renal, two ovarian and two colon cancer samples was performed. In all cases methylation was confirmed. Expression analysis using RT-qPCR showed that LRRC3B is strongly down-regulated at the latest stages of RCC and ovarian cancers. In addition we showed that LRRC3B exhibit strong cell growth inhibiting activity (more than 95%) in colony formation experiments in vitro in KRC/Y renal cell carcinoma line. All these data suggest that LRRC3B gene could be involved in the process of carcinogenesis as a tumor suppressor gene.
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Affiliation(s)
- Klas Haraldson
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden
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Senchenko VN, Krasnov GS, Dmitriev AA, Kudryavtseva AV, Anedchenko EA, Braga EA, Pronina IV, Kondratieva TT, Ivanov SV, Zabarovsky ER, Lerman MI. Differential expression of CHL1 gene during development of major human cancers. PLoS One 2011; 6:e15612. [PMID: 21408220 PMCID: PMC3049765 DOI: 10.1371/journal.pone.0015612] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2010] [Accepted: 11/17/2010] [Indexed: 11/19/2022] Open
Abstract
Background CHL1 gene (also known as CALL) on 3p26.3 encodes a one-pass trans-membrane cell adhesion molecule (CAM). Previously CAMs of this type, including L1, were shown to be involved in cancer growth and metastasis. Methodology/Principal Findings We used Clontech Cancer Profiling Arrays (19 different types of cancers, 395 samples) to analyze expression of the CHL1 gene. The results were further validated by RT-qPCR for breast, renal and lung cancer. Cancer Profiling Arrays revealed differential expression of the gene: down-regulation/silencing in a majority of primary tumors and up-regulation associated with invasive/metastatic growth. Frequent down-regulation (>40% of cases) was detected in 11 types of cancer (breast, kidney, rectum, colon, thyroid, stomach, skin, small intestine, bladder, vulva and pancreatic cancer) and frequent up-regulation (>40% of cases) – in 5 types (lung, ovary, uterus, liver and trachea) of cancer. Using real-time quantitative PCR (RT-qPCR) we found that CHL1 expression was decreased in 61% of breast, 60% of lung, 87% of clear cell and 89% papillary renal cancer specimens (P<0.03 for all the cases). There was a higher frequency of CHL1 mRNA decrease in lung squamous cell carcinoma compared to adenocarcinoma (81% vs. 38%, P = 0.02) without association with tumor progression. Conclusions/Significance Our results suggested that CHL1 is involved in the development of different human cancers. Initially, during the primary tumor growth CHL1 could act as a putative tumor suppressor and is silenced to facilitate in situ tumor growth for 11 cancer types. We also suggested that re-expression of the gene on the edge of tumor mass might promote local invasive growth and enable further metastatic spread in ovary, colon and breast cancer. Our data also supported the role of CHL1 as a potentially novel specific biomarker in the early pathogenesis of two major histological types of renal cancer.
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Affiliation(s)
- Vera N. Senchenko
- Laboratory of Structural and Functional Genomics, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - George S. Krasnov
- Laboratory of Structural and Functional Genomics, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Alexey A. Dmitriev
- Laboratory of Structural and Functional Genomics, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Anna V. Kudryavtseva
- Laboratory of Structural and Functional Genomics, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Ekaterina A. Anedchenko
- Laboratory of Structural and Functional Genomics, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Eleonora A. Braga
- Laboratory of Molecular Diagnosis, Russian State Genetics Center GosNIIgenetika, Moscow, Russia
| | - Irina V. Pronina
- Laboratory of Molecular Diagnosis, Russian State Genetics Center GosNIIgenetika, Moscow, Russia
| | | | - Sergey V. Ivanov
- Cardiothoracic Surgery Department, NYU Langone Medical Center, New York, New York, United States of America
| | - Eugene R. Zabarovsky
- Laboratory of Structural and Functional Genomics, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
- Department of Microbiology, Tumor and Cell Biology, Department of Clinical Science and Education, Sodersjukhuset, Karolinska Institute, Stockholm, Sweden
- * E-mail:
| | - Michael I. Lerman
- Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, United States of America
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Loginov VI, Khodyrev DS, Pronina IV, Maliukova AV, Kazubskaia TP, Ermilova VD, Gar'kavtseva RF, Zabarovskiĭ ER, Braga EA. [Two CpG-islands of SEMA3B gene: methylation in clear cell renal cell carcinoma]. Mol Biol (Mosk) 2009; 43:1088-1092. [PMID: 20088387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Earlier in some small cell lung (SCLC) and non-small cell lung carcinoma (NSCLC) cell lines, methylation of CpG-island was found in the SEMA3B region, which belongs to the first intron according to the NCBI data base (Build 36). The aim of this work was to study methylation of two SEMA3B CpG-islands: promoter and intronic in clear cell renal cell carcinoma (RCC). Using methyl specific PCR and bisulfite sequencing, it was shown for the first time that promoter CpG-island was methylated in RCC with high frequency 56% (34/61), and intronic CpG-island - with somewhat lower frequency 35% (17/48). Significant reverse correlation was estimated between mRNA level decrease and methylation of promoter CpG-island in RCC for the first time (P < or = 0.05 by Fisher's exact test), no correlation was determined for intronic CpG-island. This result suggested that methylation of promoter CpG-island contributed into inactivation of SEMA3B gene-suppressor in RCC.
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Pavlova TV, Kashuba VI, Muravenko OV, Yenamandra SP, Ivanova TA, Zabarovskaia VI, Rakhmanaliev ER, Petrenko LA, Pronina IV, Loginov VI, Iurkevich OI, Kiselev LL, Zelenin AV, Zabarovskiĭ ER. [Technology of analysis of epigenetic and structural changes of epithelial tumors genome with NotI-microarrays by the example of human chromosome]. Mol Biol (Mosk) 2009. [PMID: 19425501 DOI: 10.1134/s0026893309020162] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
New comparative genome hybridization technology on NotI-microarrays is presented (Karolinska Institute International Patent WO02/086163). The method is based on comparative genome hybridization of NotI-probes from tumor and normal genomic DNA with the principle of new DNA NotI-microarrays. Using this method 181 NotI linking loci from human chromosome 3 were analyzed in 200 malignant tumor samples from different organs: kidney, lung, breast, ovary, cervical, prostate. Most frequently (more than in 30%) aberrations--deletions, methylation,--were identified in NotI-sites located in MINT24, BHLHB2, RPL15, RARbeta1, ITGA9, RBSP3, VHL, ZIC4 genes, that suggests they probably are involved in cancer development. Methylation of these genomic loci was confirmed by methylation-specific PCR and bisulfite sequencing. The results demonstrate perspective of using this method to solve some oncogenomic problems.
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Pronina IV, Loginov VI, Prasolov VS, Klimov EA, Khodyrev DS, Kazubskaia TP, Gar'kavtseva RF, Sulimova GE, Braga EA. [Alteration of SEMA3B gene expression levels in epithelial tumors]. Mol Biol (Mosk) 2009; 43:439-445. [PMID: 19548530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Gene expression decreasing in tumors permits to suggest tumor-suppressor activities for these genes. Thus, mRNA quantity decrease was found for SEMA3B gene in many cell lines of small cell (SCLC) and non-small cell lung carcinoma (NSCLC) and it is well-known that SEMA3B suppresses growth of the NCI-H1299 non-small cell lung carcinoma (NSCLC) cell line and tumor formation in nude mice. The aim of this work was to study spectrum of SEMA3B expression level in epithelial tumors of various locations. Using semi-quantitative RT-PCR it was shown for the first time decrease of SEMA3B mRNA quantity (10-250 times as much) in cell lines of renal, breast and ovarian tumors (4/11, 36%). SEMA3B expression profiles in primary tumors of five locations (kidney, lung, breast, ovary and colon) were studied for the first time. This analysis revealed decrease of mRNA quantity (5-1000 times as much) in clear cell renal cell carcinomas with significant high frequency: 25/51, 49% (cases with decrease of mRNA quantity) and 5/51, 10% (cases with increase), P < 0.0001 by Fisher exact test. In addition, the first data about comparatively frequent decrease of mRNA quantity in ovarian (5/16, 31% vs. 2/16, 12%) and colorectal carcinomas (6/11, 54% vs. 2/11,18%) were shown. These results permitted to suggest a possible role of SEMA3B in inhibiting of growth of renal, ovarian and colorectal cancer cells.
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Loginov VI, Khodyrev DS, Pronina IV, Kazubskaia TP, Ermilova VD, Gar'kavtseva RF, Braga EA. [Methylation of promoter region of RASSF1A gene and frequencies of allelic imbalances in chromosome 3 critical regions are correlated with progression of clear cell renal cell carcinoma]. Mol Biol (Mosk) 2009; 43:429-438. [PMID: 19548529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The short arm of chromosome 3 (3p) contains several critical regions harboring the set of genes with tumor suppressor activities. The RASSF1A gene (LUCA region, 3p21.31) shows various functions which can be associated with tumorigenesis. Among 3p genes this gene can be most frequently methylated in epithelial tumors of various locations. Here two independent methods (methyl-specific PCR and methyl-sensitive restriction analysis) were used to show significant correlation of methylation level of promoter region of this gene with grade and clinical stage of clear cell renal cell carcinoma (RCC) for the first time. Analysis of 23 polymorphic markers of 3p using the representative set of samples (80 cases RCC), described clinically and histological, permitted to reveal significant correlation between frequency of allelic alterations in some critical regions of 3p (LUCA and AP20) and RCC progression, as distinct from the whole 3p. These data suggest that methylation of promoter region of the RASSF1A gene is associated with RCC progression, and besides, structure-functional alterations in other 3p genes can be also related with RCC progression. In addition, significant correlation between RASSF1A methylation events and allelic losses in the close polymorphic marker was shown here, pointing to the role of "two hit" model for this tumor-suppressor gene inactivation in RCC.
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Khodyrev DS, Loginov VI, Pronina IV, Kazubskaia TP, Gar'kavtseva RF, Braga EA. [Methylation of promoter region of RAR-beta2 gene in renal cell, breast, and ovarian carcinomas]. Genetika 2008; 44:1126-1132. [PMID: 18825962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The protein encoded by RAR-beta (retinoic acid receptor) gene is a member of the superfamily, of nuclear receptors of retinoids which are involved in regulation of cell differentiation and proliferation. The level of RAR-beta2 mRNA is downregulated in a number of cell lines derived from human epithelial tumors. Inactivation of the RAR-beta2 gene is associated with methylation of its promoter region, which is observed in various carcinomas at a frequency of 30-70%. In renal and ovarian tumors, methylation at this region is poorly studied, the data being contradictory. We report a high methylation frequency in the gene promoter region in RCC (59%, 36/61) and a somewhat lower frequency in EOC (30%, 15/50). Methylation frequency in BC (46%, 26/56) is consistent with the published data. Significant correlation of methylation frequency in promoter region of RAR-beta2 gene with RCC progression (P < or = 0.005 by Fisher's exact test) was established.
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MESH Headings
- Breast Neoplasms/genetics
- Breast Neoplasms/metabolism
- Breast Neoplasms/pathology
- Carcinoma, Renal Cell/genetics
- Carcinoma, Renal Cell/metabolism
- Carcinoma, Renal Cell/pathology
- DNA Methylation
- Down-Regulation
- Female
- Gene Expression Regulation, Neoplastic
- Humans
- Neoplasm Proteins/biosynthesis
- Neoplasm Proteins/genetics
- Ovarian Neoplasms/genetics
- Ovarian Neoplasms/metabolism
- Ovarian Neoplasms/pathology
- Promoter Regions, Genetic
- RNA, Messenger/biosynthesis
- RNA, Messenger/genetics
- RNA, Neoplasm/biosynthesis
- RNA, Neoplasm/genetics
- Receptors, Retinoic Acid/biosynthesis
- Receptors, Retinoic Acid/genetics
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Loginov VI, Bazov IV, Khodyrev DS, Pronina IV, Kazubskaia TP, Ermilova VD, Gar'kavtseva RF, Zbarovskiĭ ER, Braga EA. [Human chromosome 3P regions of putative tumor-suppressor genes in renal, breast, and ovarian carcinomas]. Genetika 2008; 44:250-256. [PMID: 18619045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Allelic imbalances (AI) of polymorphic markers at the short arm of chromosome 3 (3p) were mapped using DNA samples of renal cell carcinoma (RCC, 80 cases), breast carcinoma (BC, 95 cases), and epithelial ovarian cancer (EOC, 50 cases) at the same dense panel of markers (up to 24 loci). Six regions with the increased AI frequency (versus the average values determined for all the analyzed 3p markers) at RCC, BC or EOC were found in 3p chromosome. Four 3p regions presumably contain suppressor genes of tumor growth (TSG) observed in the epithelial tumors of various types. Region between D3S2409 and D3S3667 markers in the 3q21.31 region was identified in this study for the first time. The AI peak in D3S2409-D3S3667 region was statistically significant (P < 0.001, according to Fisher) when representative sample of 95 BC patients was analyzed. The data on increased frequency of polymorphic marker allele amplification suggest that the D3S2409-D3S3667 region contains both putative TSG and protooncogenes.
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Braga EA, Loginov VI, Klimov EA, Kilosanidze G, Khodyrev DS, Kaganova NL, Kazybskaia TP, Ermilova VD, Gar'kavtseva RF, Pronina IV, Rud'ko OI, Zabarskiĭ ER, Sulimova GE, Kiselev LL. [Activation of RHOA gene transcription in epithelial tumors may be caused by gene amplification and/or demethylation of its promotor region]. Mol Biol (Mosk) 2006; 40:865-77. [PMID: 17086988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
RHOA protein, a member of small GTPases family, is implicated in cell morphogenesis, adhesion, and in cell cycle regulation. RHOA gene (3p21.31) exhibits cell transformation activity, and therefore gene is considered as a potential oncogene. The aim of this study was to investigate RHOA transcription and copy number changes in three epithelial tumors (breast, renal cell and epithelial ovarian carcinomas, 45 tumor/normal pairs altogether). EII, HhaI, AciI n Bsh1236I). Hypomethylation of the RHOA promoter region in tumor DNA was observed two times more frequently than increased methylation. Moreover, all (15) cancer cases with hypomethylation of the RHOA gene showed a 2-10 fold increased expression of RHOA. It was concluded that gene copy multiplication and demethylation of the RHOA promoter region can contribute to transcription activation of this gene in epithelial tumors.
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Maliukova AV, Loginov VI, Khodyrev DS, Kadyrova EL, Pronina IV, Ivanova TA, Kiselev FL, Zabarovskiĭ NP, Braga EA. [Methylation of the putative tumor suppressor gene, RASSF1A, in primary cervical tumors]. Mol Biol (Mosk) 2004; 38:1005-13. [PMID: 15612586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
The methylation level of 13 CpG-dinucleotides in the promoter region of the putative tumor suppressor gene RASSF1A (3p21.31) was analyzed in HPV-positive squamous cell carcinomas of cervix using methyl-sensitive restriction endonuclease analysis followed by PCR. The methylation from 3 to 13 CpG-dinucleotides was observed in 64% (25/39) tumors, 22% (2/9) morphologically normal tissues adjacent to tumors (P = 0.0306) and in 2 from 3 leucocytes of peripheral blood of patients. The methylation of these CpG-dinucleotides was absent in DNA of healthy donor leucocytes (0/10). Methylation level of the examined fragment of the RASSF1A promoter region was significantly higher in tumors of patients with lymph node metastases in comparison to tumors of patients without metastases (P = 8.5 x 10(-12)). The methylation frequency of RASSF1A gene was in two times higher than hemi- and homozygous deletion frequency at the region of location of this gene (chromosome 3p21.31), determined earlier. These data suggest that methylation of the RASSF1A gene is one of the main ways of this gene inactivation in HPV-positive cervical squamous cell carcinomas. The methylation of the RASSF1A gene is an early event in genesis of tumor and the level of methylation increased with tumor progression.
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