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Xu B, Yang L, Yang L, Al-Maamari A, Zhang J, Song H, Wang M, Su S, Song Z. Role of glutaminyl-peptide cyclotransferase in breast cancer doxorubicin sensitivity. Cancer Biol Ther 2024; 25:2321767. [PMID: 38417050 PMCID: PMC10903679 DOI: 10.1080/15384047.2024.2321767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 02/18/2024] [Indexed: 03/01/2024] Open
Abstract
Doxorubicin (DOX) is one of the most effective and widely used chemotherapeutic drugs. However, DOX resistance is a critical risk problem for breast cancer treatment. Previous studies have demonstrated that metadherin (MTDH) involves in DOX resistance in breast cancer, but the exact mechanism remains unclear. In this study, we found that glutaminyl-peptide cyclotransferase (QPCT) was a MTDH DOX resistance-related downstream gene in breast cancer. Elevated expression of QPCT was found in the GEPIA database, breast cancer tissue, and breast cancer cells. Clinical data showed that QPCT expression was positively associated with poor prognosis in DOX-treated patients. Overexpression of QPCT could promote the proliferation, invasion and migration, and reduce DOX sensitivity in MCF-7 and MDA-MB-231 cells. Mechanistically, MTDH positively regulates the expressions of NF-κB (p65) and QPCT, and NF-κB (p65) directly regulates the expression of QPCT. Therefore, MTDH/NF-κB (p65)/QPCT signal axis was proposed. Collectively, our findings delineate the mechanism by which the MTDH/NF-κB (p65) axis regulate QPCT signaling and suggest that this complex may play an essential role in breast cancer progression and affect DOX sensitivity.
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Affiliation(s)
- Bin Xu
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Liu Yang
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Lixian Yang
- Department of Breast Surgery, Xingtai People’s Hospital, Xingtai, Hebei, China
| | - Ahmed Al-Maamari
- Department of Pharmacology, The Key Laboratory of Neural and Vascular Biology, Ministry of Education, The Key Laboratory of New Drug Pharmacology and Toxicology, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Jingyu Zhang
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Heng Song
- Department of Radiotherapy, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Meiqi Wang
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Suwen Su
- Department of Pharmacology, The Key Laboratory of Neural and Vascular Biology, Ministry of Education, The Key Laboratory of New Drug Pharmacology and Toxicology, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Zhenchuan Song
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
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2
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Huang Y, Dai D, Zhu L, Qi X. Novel associations between MTDH gene polymorphisms and invasive ductal breast cancer: a case-control study. Discov Oncol 2024; 15:273. [PMID: 38977630 PMCID: PMC11231109 DOI: 10.1007/s12672-024-01086-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 06/05/2024] [Indexed: 07/10/2024] Open
Abstract
OBJECTIVE To reveal the contributing effects of MTDH gene SNPs in the risk of invasive ductal breast cancer (IDC). PATIENTS AND METHODS A case-control study was conducted, recruiting a total of 300 cases of IDC and 565 cancer-free controls from East China. Genotyping of three single-nucleotide polymorphisms (SNPs) in the MTDH gene was performed. Genomic DNA was extracted from peripheral blood samples of patients. The three SNPs (rs1311 T > C, rs16896059 G > A, rs2449512 A > G) in the MTDH gene were selected for detection using a TaqMan real-time polymerase chain reaction assay. The association between MTDH and the risk of IDC was analyzed employing an epidemiology case-control study and a multinomial logistic regression model. RESULTS Among the three evaluated SNPs, rs1311 T > C, rs16896059 G > A, and rs2449512 A > G demonstrated a significant association with an increased risk of IDC. Furthermore, stratified analysis revealed that individuals carrying the rs1311 CC genotype, rs16896059 GA/AA genotypes, and rs2449512 GG genotype were more susceptible to developing IDC in subgroups of patients younger than 53 years, without family history of IDC, pre-menopause status, clinical stage 2, high grade, with no distant metastasis or invasion, Her2-positive type, ER positive, PR positive, and Ki67 cells less than 10%. However, carriers of the rs16896059 GA/AA genotypes and rs2449512 GG genotype had an elevate the risk of IDC in patients with tumor size larger than 2 cm, post-menopause status, clinical stage 3, with invasion, lymph node infiltration, ER negative, PR negative, Her2 negative, and Ki67 cells exceeding 10%. Compared to the reference haplotype TGA, haplotypes TAA, TAG, and TGG were significantly associated with an increased IDC risk. CONCLUSION In this study, we demonstrated a significant association between MTDH gene polymorphisms and an increased risk of IDC. Moreover, our findings suggested that MTDH gene polymorphisms could serve as a potential biomarker for IDC subtyping and therapeutic selection.
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Affiliation(s)
- Yan Huang
- Department of Pathology, The First People's Hospital of Linping District, #369 Nanyuan Street Yingbin Road, Linping District, Hangzhou, Zhejiang, China.
| | - Dan Dai
- Department of Pathology, The First People's Hospital of Linping District, #369 Nanyuan Street Yingbin Road, Linping District, Hangzhou, Zhejiang, China
| | - Li Zhu
- Department of Pathology, The First People's Hospital of Linping District, #369 Nanyuan Street Yingbin Road, Linping District, Hangzhou, Zhejiang, China
| | - Xianzhong Qi
- Department of Pathology, The First People's Hospital of Linping District, #369 Nanyuan Street Yingbin Road, Linping District, Hangzhou, Zhejiang, China
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Katifelis H, Gazouli M. RNA biomarkers in cancer therapeutics: The promise of personalized oncology. Adv Clin Chem 2024; 123:179-219. [PMID: 39181622 DOI: 10.1016/bs.acc.2024.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/27/2024]
Abstract
Cancer therapy is a rapidly evolving and constantly expanding field. Current approaches include surgery, conventional chemotherapy and novel biologic agents as in immunotherapy, that together compose a wide armamentarium. The plethora of choices can, however, be clinically challenging in prescribing the most suitable treatment for any given patient. Fortunately, biomarkers can greatly facilitate the most appropriate selection. In recent years, RNA-based biomarkers have proven most promising. These molecules that range from small noncoding RNAs to protein coding gene transcripts can be valuable in cancer management and especially in cancer therapeutics. Compared to their DNA counterparts which are stable throughout treatment, RNA-biomarkers are dynamic. This allows prediction of success prior to treatment start and can identify alterations in expression that could reflect response. Moreover, improved nucleic acid technology allows RNA to be extracted from practically every biofluid/matrix and evaluated with exceedingly high analytic sensitivity. In addition, samples are largely obtained by minimally invasive procedures and as such can be used serially to assess treatment response real-time. This chapter provides the reader insight on currently known RNA biomarkers, the latest research employing Artificial Intelligence in the identification of such molecules and in clinical decisions driving forward the era of personalized oncology.
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Affiliation(s)
- Hector Katifelis
- Laboratory of Biology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria Gazouli
- Laboratory of Biology, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
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Khalife H, Fayyad-Kazan M, Fayyad-Kazan H, Hadchity E, Borghol N, Hussein N, Badran B. Lipoic acid alters the microRNA signature in breast cancer cells. Pathol Res Pract 2024; 257:155321. [PMID: 38678851 DOI: 10.1016/j.prp.2024.155321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 03/05/2024] [Accepted: 04/17/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND Breast cancer, the deadliest disease affecting women globally, exhibits heterogeneity with distinct molecular subtypes. Despite advances in cancer therapy, the persistence of high mortality rates due to chemotherapy resistance remains a major challenge. Lipoic acid (LA), a natural antioxidant, has proven potent anticancer properties. Yet, the impact of LA on microRNA (miRNA) expression profile in breast cancer remains unexplored. AIM The aim of this study was to unravel the effect of LA on miRNA expression profiles in different breast cancer cell lines. METHODS The MiRCURY LNA miRNA miRNome qPCR Panel was used to compare the miRNA signature in MDA-MB-231 and MCF-7 cells treated or not with LA. RESULTS We identified six upregulated and six downregulated miRNAs in LA-treated MDA-MB-231 cells and 14 upregulated and four downregulated miRNAs in LA-treated MCF-7 cells compared to control cells. KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway analysis revealed that the deregulated miRNAs could alter different signaling cascades including FoxO, P53 and Hippo pathways. CONCLUSION The outcome of this study provides further insights into the molecular mechanisms underlying the therapeutic benefit of LA. This in turn could assist the amelioration of LA-based anticancer therapies.
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Affiliation(s)
- Hoda Khalife
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon
| | - Mohammad Fayyad-Kazan
- The American University of Iraq-Baghdad, School of Arts and Sciences, Department of Natural and Applied Sciences, Baghdad, Iraq
| | - Hussein Fayyad-Kazan
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon
| | - Elie Hadchity
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon
| | - Nada Borghol
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon
| | - Nader Hussein
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon; Université Claude Bernard Lyon 1, INSERM 1052, CNRS UMR 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon 69008, France.
| | - Bassam Badran
- Laboratory of Cancer biology and Molecular Immunology, Department of Chemistry and Biochemistry, Faculty of Science I, Lebanese University, Hadat, Lebanon.
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Watanabe T. Gene targeted and immune therapies for nodal and gastrointestinal follicular lymphomas. World J Gastroenterol 2023; 29:6179-6197. [PMID: 38186866 PMCID: PMC10768399 DOI: 10.3748/wjg.v29.i48.6179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 11/02/2023] [Accepted: 12/18/2023] [Indexed: 12/27/2023] Open
Abstract
Follicular lymphoma (FL) is the most common indolent B-cell lymphoma (BCL) globally. Recently, its incidence has increased in Europe, the United States, and Asia, with the number of gastrointestinal FL cases expected to increase. Genetic abnormalities related to t(14;18) translocation, BCL2 overexpression, NF-κB pathway-related factors, histone acetylases, and histone methyltransferases cause FL and enhance its proliferation. Meanwhile, microRNAs are commonly used in diagnosing FL and predicting patient prognosis. Many clinical trials on novel therapeutics targeting these genetic abnormalities and immunomodulatory mechanisms have been conducted, resulting in a marked improvement in therapeutic outcomes for FL. Although developing these innovative therapeutic agents targeting specific genetic mutations and immune pathways has provided hope for curative options, FL treatment has become more complex, requiring combinatorial therapeutic regimens. However, optimal treatment combinations have not yet been achieved, highlighting the importance of a complete under-standing regarding the pathogenesis of gastrointestinal FL. Accordingly, this article reviews key research on the molecular pathogenesis of nodal FL and novel therapies targeting the causative genetic mutations. Moreover, the results of clinical trials are summarized, with a particular focus on treating nodal and gastrointestinal FLs.
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Affiliation(s)
- Takuya Watanabe
- Department of Internal Medicine and Gastroenterology, Watanabe Internal Medicine Aoyama Clinic, Niigata 9502002, Japan
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6
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Wang Z, Zhou X, Deng X, Ye D, Liu D, Zhou B, Zheng W, Wang X, Wang Y, Borkhuu O, Fang L. miR-186-ANXA9 signaling inhibits tumorigenesis in breast cancer. Front Oncol 2023; 13:1166666. [PMID: 37841425 PMCID: PMC10570552 DOI: 10.3389/fonc.2023.1166666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 09/12/2023] [Indexed: 10/17/2023] Open
Abstract
Breast cancer (BC) ranks as the highest incidence among cancer types in women all over the world. MicroRNAs (miRNAs) are a class of short endogenous non-coding RNA in cells mostly functioning to silence the target mRNAs. In the current study, a miRNA screening analysis identified miR-186-5p to be downregulated in human breast cancer tumors. Functional studies in vitro demonstrated that overexpression of miR-186-5p inhibited cellular proliferation and induced cell apoptosis in multiple breast cancer cell lines including MDA-MB-231, MCF-7, and BT549 cells. Transplantation of the miR-186-5p-overexpressing MDA-MB-231 cells into nude mice significantly inhibited mammary tumor growth in vivo. Sequence blast analysis predicted annexin A9 (ANXA9) as a target gene of miR-186-5p, which was validated by luciferase reporter assay, QRT-PCR analysis, and western blot. Additional gene expression analysis of clinical tumor samples indicated a negative correlation between miR-186-5p and ANXA9 in human breast cancer. Knockdown of ANXA9 mimicked the phenotype of miR-186-5p overexpression. Reintroduction of ANXA9 back rescued the miR-186-5p-induced cell apoptosis. In addition, miR-186-5p decreased the expression of Bcl-2 and increased the expression of p53, suggesting a mechanism regulating miR-186-5p-induced cellular apoptosis. In summary, our study is the first to demonstrate miR-186-5p-ANXA9 signaling in suppressing human breast cancer. It provided a potential therapeutic target in breast cancer.
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Affiliation(s)
- Zhongrui Wang
- Department of Thyroid and Breast Surgery, Shanghai Tenth People’s Hospital, Shanghai Tenth People’s Hospital of Nanjing Medical University, Shanghai, China
- Department of Breast and Thyroid Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiqian Zhou
- Department of Breast and Thyroid Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiaochong Deng
- Department of Breast and Thyroid Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Danrong Ye
- Department of Breast and Thyroid Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Diya Liu
- Department of Breast and Thyroid Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Baian Zhou
- Department of Breast and Thyroid Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Wenfang Zheng
- Department of Breast and Thyroid Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xuehui Wang
- Department of Breast and Thyroid Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yuying Wang
- Department of Breast and Thyroid Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Oyungerel Borkhuu
- Department of Breast and Thyroid Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Lin Fang
- Department of Thyroid and Breast Surgery, Shanghai Tenth People’s Hospital, Shanghai Tenth People’s Hospital of Nanjing Medical University, Shanghai, China
- Department of Breast and Thyroid Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
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Mead EA, Wang Y, Patel S, Thekkumthala AP, Kepich R, Benn-Hirsch E, Lee V, Basaly A, Bergeson S, Siegelmann HT, Pietrzykowski AZ. miR-9 utilizes precursor pathways in adaptation to alcohol in mouse striatal neurons. ADVANCES IN DRUG AND ALCOHOL RESEARCH 2023; 3:11323. [PMID: 38116240 PMCID: PMC10730111 DOI: 10.3389/adar.2023.11323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
microRNA-9 (miR-9) is one of the most abundant microRNAs in the mammalian brain, essential for its development and normal function. In neurons, it regulates the expression of several key molecules, ranging from ion channels to enzymes, to transcription factors broadly affecting the expression of many genes. The neuronal effects of alcohol, one of the most abused drugs in the world, seem to be at least partially dependent on regulating the expression of miR-9. We previously observed that molecular mechanisms of the development of alcohol tolerance are miR-9 dependent. Since a critical feature of alcohol action is temporal exposure to the drug, we decided to better understand the time dependence of alcohol regulation of miR-9 biogenesis and expression. We measured the effect of intoxicating concentration of alcohol (20 mM ethanol) on the expression of all major elements of miR-9 biogenesis: three pri-precursors (pri-mir-9-1, pri-mir-9-2, pri-mir-9-3), three pre-precursors (pre-mir-9-1, pre-mir-9-2, pre-mir-9-3), and two mature microRNAs: miR-9-5p and miR-9-3p, using digital PCR and RT-qPCR, and murine primary medium spiny neurons (MSN) cultures. We subjected the neurons to alcohol based on an exposure/withdrawal matrix of different exposure times (from 15 min to 24 h) followed by different withdrawal times (from 0 h to 24 h). We observed that a short exposure increased mature miR-9-5p expression, which was followed by a gradual decrease and subsequent increase of the expression, returning to pre-exposure levels within 24 h. Temporal changes of miR-9-3p expression were complementing miR-9-5p changes. Interestingly, an extended, continuous presence of the drug caused a similar pattern. These results suggest the presence of the adaptive mechanisms of miR-9 expression in the presence and absence of alcohol. Measurement of miR-9 pre- and pri-precursors showed further that the primary effect of alcohol on miR-9 is through the mir-9-2 precursor pathway with a smaller contribution of mir-9-1 and mir-9-3 precursors. Our results provide new insight into the adaptive mechanisms of neurons to alcohol exposure. It would be of interest to determine next which microRNA-based mechanisms are involved in a transition from the acute, intoxicating effects of alcohol to the chronic, addictive effects of the drug.
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Affiliation(s)
- Edward Andrew Mead
- Laboratory of Adaptation, Reward and Addiction, Department of Animal Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, United States
| | - Yongping Wang
- Laboratory of Adaptation, Reward and Addiction, Department of Animal Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, United States
| | - Sunali Patel
- Thermo Fisher Scientific Inc., Austin, TX, United States
| | - Austin P. Thekkumthala
- Laboratory of Adaptation, Reward and Addiction, Department of Animal Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, United States
| | - Rebecca Kepich
- Laboratory of Adaptation, Reward and Addiction, Department of Animal Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, United States
| | - Elizabeth Benn-Hirsch
- Laboratory of Adaptation, Reward and Addiction, Department of Animal Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, United States
| | - Victoria Lee
- Laboratory of Adaptation, Reward and Addiction, Department of Animal Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, United States
| | - Azra Basaly
- Laboratory of Adaptation, Reward and Addiction, Department of Animal Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, United States
| | - Susan Bergeson
- Department of Cell Biology and Biochemistry, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, United States
| | - Hava T. Siegelmann
- Department of Machine Learning, Mohamed bin Zayed University of Artificial Intelligence, Abu Dhabi, United Arab Emirates
- Biologically Inspired Neural & Dynamical Systems Laboratory, The Manning College of Information and Computer Sciences, University of Massachusetts, Amherst, MA, United States
| | - Andrzej Zbigniew Pietrzykowski
- Laboratory of Adaptation, Reward and Addiction, Department of Animal Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, United States
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8
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Carvajal-Moreno J, Hernandez VA, Wang X, Li J, Yalowich JC, Elton TS. Effects of hsa-miR-9-3p and hsa-miR-9-5p on Topoisomerase II β Expression in Human Leukemia K562 Cells with Acquired Resistance to Etoposide. J Pharmacol Exp Ther 2023; 384:265-276. [PMID: 36410793 PMCID: PMC9875313 DOI: 10.1124/jpet.122.001429] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 11/02/2022] [Accepted: 11/07/2022] [Indexed: 11/23/2022] Open
Abstract
DNA topoisomerase IIα (TOP2α/170; 170 kDa) and topoisomerase IIβ (TOP2β/180; 180 kDa) are targets for a number of anticancer drugs, whose clinical efficacy is attenuated by chemoresistance. Our laboratory selected for an etoposide-resistant K562 clonal subline designated K/VP.5. These cells exhibited decreased TOP2α/170 and TOP2β/180 expression. We previously demonstrated that a microRNA-9 (miR-9)-mediated posttranscriptional mechanism plays a role in drug resistance via reduced TOP2α/170 protein in K/VP.5 cells. Here, it is hypothesized that a similar miR-9 mechanism is responsible for decreased TOP2β/180 levels in K/VP.5 cells. Both miR-9-3p and miR-9-5p are overexpressed in K/VP.5 compared with K562 cells, demonstrated by microRNA (miRNA) sequencing and quantitative polymerase chain reaction. The 3'-untranslated region (3'-UTR) of TOP2β/180 contains miRNA recognition elements (MRE) for both miRNAs. Cotransfection of K562 cells with a luciferase reporter plasmid harboring TOP2β/180 3'-UTR plus miR-9-3p or miR-9-5p mimics resulted in statistically significant decreased luciferase expression. miR-9-3p and miR-9-5p MRE mutations prevented this decrease, validating direct interaction between these miRNAs and TOP2β/180 mRNA. Transfection of K562 cells with miR-9-3p/5p mimics led to decreased TOP2β protein levels without a change in TOP2β/180 mRNA and resulted in reduced TOP2β-specific XK469-induced DNA damage. Conversely, K/VP.5 cells transfected with miR-9-3p/5p inhibitors led to increased TOP2β/180 protein without a change in TOP2β/180 mRNA and resulted in enhancement of XK469-induced DNA damage. Taken together, these results strongly suggest that TOP2β/180 mRNA is translationally repressed by miR-9-3p/5p, that these miRNAs play a role in acquired resistance to etoposide, and that they are potential targets for circumvention of resistance to TOP2-targeted agents. SIGNIFICANCE STATEMENT: Results presented here indicate that miR-9-3p and miR-9-5p play a role in acquired resistance to etoposide via decreased DNA topoisomerase IIβ 180 kDa protein levels. These findings contribute further information about and potential strategies for circumvention of drug resistance by modulation of microRNA levels. In addition, miR-9-3p and miR-9-5p overexpression in cancer chemoresistance may lead to future validation as biomarkers of responsiveness to DNA topoisomerase II-targeted therapy.
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Affiliation(s)
- Jessika Carvajal-Moreno
- Division of Pharmaceutics and Pharmacology (J.C.-M., V.A.H., X.W., J.C.Y., T.S.E.) and Division of Outcomes and Translational Science (J.I.), College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Victor A Hernandez
- Division of Pharmaceutics and Pharmacology (J.C.-M., V.A.H., X.W., J.C.Y., T.S.E.) and Division of Outcomes and Translational Science (J.I.), College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Xinyi Wang
- Division of Pharmaceutics and Pharmacology (J.C.-M., V.A.H., X.W., J.C.Y., T.S.E.) and Division of Outcomes and Translational Science (J.I.), College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Junan Li
- Division of Pharmaceutics and Pharmacology (J.C.-M., V.A.H., X.W., J.C.Y., T.S.E.) and Division of Outcomes and Translational Science (J.I.), College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Jack C Yalowich
- Division of Pharmaceutics and Pharmacology (J.C.-M., V.A.H., X.W., J.C.Y., T.S.E.) and Division of Outcomes and Translational Science (J.I.), College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Terry S Elton
- Division of Pharmaceutics and Pharmacology (J.C.-M., V.A.H., X.W., J.C.Y., T.S.E.) and Division of Outcomes and Translational Science (J.I.), College of Pharmacy, The Ohio State University, Columbus, Ohio
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Tian J, Li Z, Jiang Y, Gu W, Kong E, Hao Q, Kong B, Sun L. Downregulation of SOX21-AS1 alleviated cisplatin resistance in cervical cancer through Epithelial-messenchymal transition (EMT) inhibition. Rejuvenation Res 2022; 25:243-252. [PMID: 36039935 DOI: 10.1089/rej.2022.0009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Cisplatin is widely used in chemotherapies in cervical cancer (CC). Nevertheless, drug resistance in cancer patients poses a major threat to efficacy of treatment. To explore the underlying modulatory mechanism of SOX21-AS1 in cisplatin resistance in CC cell and mice models,Gepia database was referred for SOX21-AS1 expression in cancer tissues and normal ones. RT-qPCR was used to measure the differential expression of SOX21-AS1 in parental Siha cells and cisplatin-resistant Siha/DDP cells. Luciferase reporter gene assays were conducted to verify putative bindings between SOX21-AS1 and miR-9-3p. Western blot method was employed to evaluate the changes in cleaved-caspase 7 protein expression. Cisplatin resistance was evaluated in each transfected group using CCK8 method after cells were exposed to cisplatin (0,7.5,15,30,60,120, 240ug/ml) for 24h. Flow cytometry method was used to measure the apoptosis rates. Cell migration and invasion were measured using Transwell assays. Immunofluorescence method was applied to observe EMT markers including E-cadherin, Snail, MMP3 and MMP9. Siha/DDP cell groups stably transfected with sh-NC and sh- SOX21-AS1 were injected through tail vein of Balb/C mice. Lung tissue sections were used for HE staining and IHC analysis. SOX1-AS1 expression was higher in cancer tissues than normal ones and was also higher in Siha/DDP rather than Siha cells. SOX21-AS1 was targeted by miR-9-3p in CC cells. Downregulation of SOX21-AS1 or overexpression of miR-9-3p inhibited cisplatin resistance in Siha/DDP cells and reduced cell invasion and migration and attenuated EMT progression. In vivo, the SOX21-AS1 knockdown led to less severe lung metastasis. Downregulation of SOX21-AS1 alleviated cisplatin resistance in cervical cancer through EMT inhibition.
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Affiliation(s)
- Jing Tian
- Tianjin Medical University Cancer Institute and Hospital, Tianjin, Tianjin, China;
| | - Ze Li
- Tianjin Medical University Cancer Institute and Hospital, Tianjin, Tianjin, China;
| | - Yuanyuan Jiang
- Qingdao Center Hospital, Department of Gynecological Oncology, Qingdao, China;
| | - Wenjin Gu
- Qingdao Center Hospital, Department of Gynecological Oncology, Qingdao, China;
| | - Enqi Kong
- Qingdao Center Hospital, Department of Gynecological Oncology, Qingdao, China.,Shandong Cancer Hospital and Institute Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China;
| | - Quan Hao
- Tianjin Medical University Cancer Institute and Hospital, Tianjin, Tianjin, China;
| | - Beihhua Kong
- Qilu Hospital of Shandong University, Jinan, Shandong, China;
| | - Li Sun
- Qingdao Center Hospital, Department of Gynecological Oncology, Department of Gynecological Oncology, Qingdao Central Hospital, The Second Affiliated Hospital of Medical College of Qingdao University, Qingdao 266042, China., Qingdao, China, 266042;
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10
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Ran Q, Xu D, Wang Q, Wang D. Hypermethylation of the Promoter Region of miR-23 Enhances the Metastasis and Proliferation of Multiple Myeloma Cells via the Aberrant Expression of uPA. Front Oncol 2022; 12:835299. [PMID: 35707350 PMCID: PMC9189361 DOI: 10.3389/fonc.2022.835299] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 05/02/2022] [Indexed: 11/24/2022] Open
Abstract
Multiple myeloma has a long course, with no obvious symptoms in the early stages. However, advanced stages are characterized by injury to the bone system and represent a severe threat to human health. The results of the present work indicate that the hypermethylation of miR-23 promoter mediates the aberrant expression of uPA/PLAU (urokinase plasminogen activator, uPA) in multiple myeloma cells. miR-23, a microRNA that potentially targets uPA’s 3’UTR, was predicted by the online tool miRDB. The endogenous expressions of uPA and miR-23 are related to disease severity in human patients, and the expression of miR-23 is negatively related to uPA expression. The hypermethylation of the promoter region of miR-23 is a promising mechanism to explain the low level of miR-23 or aberrant uPA expression associated with disease severity. Overexpression of miR-23 inhibited the expression of uPA by targeting the 3’UTR of uPA, not only in MM cell lines, but also in patient-derived cell lines. Overexpression of miR-23 also inhibited in vitro and in vivo invasion of MM cells in a nude mouse model. The results therefore extend our knowledge about uPA in MM and may assist in the development of more effective therapeutic strategies for MM treatment.
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Affiliation(s)
- Qijie Ran
- Department of Hematology, General Hospital of Central Theater Command, Wuhan, China
- *Correspondence: Qijie Ran, ; Dongsheng Wang,
| | - Dehong Xu
- Department of Hematology, General Hospital of Central Theater Command, Wuhan, China
| | - Qi Wang
- Department of Hematology, General Hospital of Central Theater Command, Wuhan, China
| | - Dongsheng Wang
- Department of Neurosurgery, The Fifth People’s Hospital of Dalian, Dalian, China
- Department of Neurosurgery, The Second Affiliated Hospital of Dalian Medical University, Dalian City, China
- *Correspondence: Qijie Ran, ; Dongsheng Wang,
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Ruan Y, Chen L, Xie D, Luo T, Xu Y, Ye T, Chen X, Feng X, Wu X. Mechanisms of Cell Adhesion Molecules in Endocrine-Related Cancers: A Concise Outlook. Front Endocrinol (Lausanne) 2022; 13:865436. [PMID: 35464064 PMCID: PMC9021432 DOI: 10.3389/fendo.2022.865436] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/09/2022] [Indexed: 11/13/2022] Open
Abstract
Chemotherapy is a critical treatment for endocrine-related cancers; however, chemoresistance and disease recurrence remain a challenge. The interplay between cancer cells and the tumor microenvironment via cell adhesion molecules (CAMs) promotes drug resistance, known as cell adhesion-mediated drug resistance (CAM-DR). CAMs are cell surface molecules that facilitate cell-to-cell or cell-to-extracellular matrix binding. CAMs exert an adhesion effect and trigger intracellular signaling that regulates cancer cell stemness maintenance, survival, proliferation, metastasis, epithelial-mesenchymal transition, and drug resistance. To understand these mechanisms, this review focuses on the role of CD44, cadherins, selectins, and integrins in CAM-DR in endocrine-related cancers.
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Affiliation(s)
- Yongsheng Ruan
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Yongsheng Ruan, ; Xuedong Wu,
| | - Libai Chen
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Danfeng Xie
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Tingting Luo
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yiqi Xu
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Tao Ye
- Department of Endocrinology, Affiliated Baoan Hospital of Shenzhen, Southern Medical University, Shenzhen, China
| | - Xiaona Chen
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoqin Feng
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xuedong Wu
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Yongsheng Ruan, ; Xuedong Wu,
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