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Wang L, Wang X, Zhu X, Zhong L, Jiang Q, Wang Y, Tang Q, Li Q, Zhang C, Wang H, Zou D. Drug resistance in ovarian cancer: from mechanism to clinical trial. Mol Cancer 2024; 23:66. [PMID: 38539161 PMCID: PMC10976737 DOI: 10.1186/s12943-024-01967-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 02/22/2024] [Indexed: 04/05/2024] Open
Abstract
Ovarian cancer is the leading cause of gynecological cancer-related death. Drug resistance is the bottleneck in ovarian cancer treatment. The increasing use of novel drugs in clinical practice poses challenges for the treatment of drug-resistant ovarian cancer. Continuing to classify drug resistance according to drug type without understanding the underlying mechanisms is unsuitable for current clinical practice. We reviewed the literature regarding various drug resistance mechanisms in ovarian cancer and found that the main resistance mechanisms are as follows: abnormalities in transmembrane transport, alterations in DNA damage repair, dysregulation of cancer-associated signaling pathways, and epigenetic modifications. DNA methylation, histone modifications and noncoding RNA activity, three key classes of epigenetic modifications, constitute pivotal mechanisms of drug resistance. One drug can have multiple resistance mechanisms. Moreover, common chemotherapies and targeted drugs may have cross (overlapping) resistance mechanisms. MicroRNAs (miRNAs) can interfere with and thus regulate the abovementioned pathways. A subclass of miRNAs, "epi-miRNAs", can modulate epigenetic regulators to impact therapeutic responses. Thus, we also reviewed the regulatory influence of miRNAs on resistance mechanisms. Moreover, we summarized recent phase I/II clinical trials of novel drugs for ovarian cancer based on the abovementioned resistance mechanisms. A multitude of new therapies are under evaluation, and the preliminary results are encouraging. This review provides new insight into the classification of drug resistance mechanisms in ovarian cancer and may facilitate in the successful treatment of resistant ovarian cancer.
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Affiliation(s)
- Ling Wang
- Department of Gynecologic Oncology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China
- Chongqing Specialized Medical Research Center of Ovarian Cancer, Chongqing, China
- Organoid Transformational Research Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Xin Wang
- Department of Gynecologic Oncology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China
- Chongqing Specialized Medical Research Center of Ovarian Cancer, Chongqing, China
- Organoid Transformational Research Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Xueping Zhu
- Department of Gynecologic Oncology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China
- Chongqing Specialized Medical Research Center of Ovarian Cancer, Chongqing, China
- Organoid Transformational Research Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Lin Zhong
- Department of Gynecologic Oncology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China
- Chongqing Specialized Medical Research Center of Ovarian Cancer, Chongqing, China
- Organoid Transformational Research Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Qingxiu Jiang
- Department of Gynecologic Oncology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China
- Chongqing Specialized Medical Research Center of Ovarian Cancer, Chongqing, China
- Organoid Transformational Research Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Ya Wang
- Department of Gynecologic Oncology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China
- Chongqing Specialized Medical Research Center of Ovarian Cancer, Chongqing, China
- Organoid Transformational Research Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Qin Tang
- Department of Gynecologic Oncology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China
- Chongqing Specialized Medical Research Center of Ovarian Cancer, Chongqing, China
- Organoid Transformational Research Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Qiaoling Li
- Department of Gynecologic Oncology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China
- Chongqing Specialized Medical Research Center of Ovarian Cancer, Chongqing, China
- Organoid Transformational Research Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Cong Zhang
- Chongqing Specialized Medical Research Center of Ovarian Cancer, Chongqing, China
- Organoid Transformational Research Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
- Biological and Pharmaceutical Engineering, School of Medicine, Chongqing University, Chongqing, China
| | - Haixia Wang
- Department of Gynecologic Oncology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China.
- Chongqing Specialized Medical Research Center of Ovarian Cancer, Chongqing, China.
- Organoid Transformational Research Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China.
| | - Dongling Zou
- Department of Gynecologic Oncology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, China.
- Chongqing Specialized Medical Research Center of Ovarian Cancer, Chongqing, China.
- Organoid Transformational Research Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China.
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Tewari AB, Saini A, Sharma D. Extirpating the cancer stem cell hydra: Differentiation therapy and Hyperthermia therapy for targeting the cancer stem cell hierarchy. Clin Exp Med 2023; 23:3125-3145. [PMID: 37093450 DOI: 10.1007/s10238-023-01066-5] [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: 12/09/2022] [Accepted: 04/02/2023] [Indexed: 04/25/2023]
Abstract
Ever since the discovery of cancer stem cells (CSCs), they have progressively attracted more attention as a therapeutic target. Like the mythical hydra, this subpopulation of cells seems to contribute to cancer immortality, spawning more cells each time that some components of the cancer cell hierarchy are destroyed. Traditional modalities focusing on cancer treatment have emphasized apoptosis as a route to eliminate the tumor burden. A major problem is that cancer cells are often in varying degrees of dedifferentiation contributing to what is known as the CSCs hierarchy and cells which are known to be resistant to conventional therapy. Differentiation therapy is an experimental therapeutic modality aimed at the conversion of malignant phenotype to a more benign one. Hyperthermia therapy (HT) is a modality exploiting the changes induced in cells by the application of heat produced to aid in cancer therapy. While differentiation therapy has been successfully employed in the treatment of acute myeloid leukemia, it has not been hugely successful for other cancer types. Mounting evidence suggests that hyperthermia therapy may greatly augment the effects of differentiation therapy while simultaneously overcoming many of the hard-to-treat facets of recurrent tumors. This review summarizes the progress made so far in integrating hyperthermia therapy with existing modules of differentiation therapy. The focus is on studies related to the successful application of both hyperthermia and differentiation therapy when used alone or in conjunction for hard-to-treat cancer cell niche with emphasis on combined approaches to target the CSCs hierarchy.
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Affiliation(s)
- Amit B Tewari
- Institute of Nano Science and Technology (INST), Knowledge City, Sector 81, Mohali, Punjab, 140306, India
| | - Anamika Saini
- Institute of Nano Science and Technology (INST), Knowledge City, Sector 81, Mohali, Punjab, 140306, India
| | - Deepika Sharma
- Institute of Nano Science and Technology (INST), Knowledge City, Sector 81, Mohali, Punjab, 140306, India.
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Indumati S, Apurva B, Gaurav G, Nehakumari S, Nishant V. The Role of MicroRNAs in Development of Endometrial Cancer: A Literature Review. J Reprod Infertil 2023; 24:147-165. [PMID: 37663424 PMCID: PMC10471942 DOI: 10.18502/jri.v24i3.13271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 01/01/2023] [Indexed: 09/05/2023] Open
Abstract
Endometrial cancer (EC) ranks as the second most common gynaecological cancer worldwide. EC patients are diagnosed at an early clinical stage and generally have a good prognosis. Therefore, there is a dire need for development of a specific marker for early detection of endometrial adenocarcinoma. The development of EC is conditioned by a multistep process of oncogenic upregulation and tumor suppressor downregulation as shown by molecular genetic evidence. In this setting, microRNAs appear as significant regulators of gene expression and several variations in the expression of microRNAs have been implicated in normal endometrium, endometrial tissue, metrorrhagia, and endometrial cancer. Furthermore, microRNAs act as highly precise, sensitive, and robust molecules, making them potential markers for diagnosing specific cancers and their progression. With the rising incidence of EC, its management remains a vexing challenge and diagnostic methods for the disease are limited to invasive, expensive, and inaccurate tools. Therefore, the prospect of exploiting the utility of microRNAs as potential candidates for diagnosis and therapeutic use in EC seems promising.
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Affiliation(s)
- Somasundaram Indumati
- Department of Stem Cell and Regenerative Medicine, D.Y. Patil Education Society, Kolhapur, India
| | - Birajdar Apurva
- Department of Stem Cell and Regenerative Medicine, D.Y. Patil Education Society, Kolhapur, India
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Fedorova O, Parfenyev S, Daks A, Shuvalov O, Barlev NA. The Role of PTEN in Epithelial–Mesenchymal Transition. Cancers (Basel) 2022; 14:cancers14153786. [PMID: 35954450 PMCID: PMC9367281 DOI: 10.3390/cancers14153786] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 07/31/2022] [Accepted: 08/02/2022] [Indexed: 11/23/2022] Open
Abstract
Simple Summary The PTEN phosphatase is a ubiquitously expressed tumor suppressor, which inhibits the PI3K/AKT pathway in the cell. The PI3K/AKT pathway is considered to be one of the main signaling pathways that drives the proliferation of cancer cells. Furthermore, the same pathway controls the epithelial–mesenchymal transition (EMT). EMT is an evolutionarily conserved developmental program, which, upon aberrant reactivation, is also involved in the formation of cancer metastases. Importantly, metastasis is the leading cause of cancer-associated deaths. In this review, we discuss the literature data that highlight the role of PTEN in EMT. Based on this knowledge, we speculate about new possible strategies for cancer treatment. Abstract Phosphatase and Tensin Homolog deleted on Chromosome 10 (PTEN) is one of the critical tumor suppressor genes and the main negative regulator of the PI3K pathway. PTEN is frequently found to be inactivated, either partially or fully, in various malignancies. The PI3K/AKT pathway is considered to be one of the main signaling cues that drives the proliferation of cells. Perhaps it is not surprising, then, that this pathway is hyperactivated in highly proliferative tumors. Importantly, the PI3K/AKT pathway also coordinates the epithelial–mesenchymal transition (EMT), which is pivotal for the initiation of metastases and hence is regarded as an attractive target for the treatment of metastatic cancer. It was shown that PTEN suppresses EMT, although the exact mechanism of this effect is still not fully understood. This review is an attempt to systematize the published information on the role of PTEN in the development of malignant tumors, with a main focus on the regulation of the PI3K/AKT pathway in EMT.
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Wang J, Zhang R, Zhang B, Zhang L, Jiang W, Liu X, Duan X. MiR-135b improves proliferation and regulates chemotherapy resistance in ovarian cancer. J Mol Histol 2022; 53:699-712. [DOI: 10.1007/s10735-022-10080-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 05/23/2022] [Indexed: 10/17/2022]
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Zi D, Li Q, Xu CX, Zhou ZW, Song GB, Hu CB, Wen F, Yang HL, Nie L, Zhao X, Tan J, Zhou SF, He ZX. CXCR4 knockdown enhances sensitivity of paclitaxel via the PI3K/Akt/mTOR pathway in ovarian carcinoma. Aging (Albany NY) 2022; 14:4673-4698. [PMID: 35681259 PMCID: PMC9217704 DOI: 10.18632/aging.203241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 04/29/2021] [Indexed: 12/24/2022]
Abstract
Epithelial ovarian cancer (EOC) is the deadliest gynecological malignancy. EOC control remains difficult, and EOC patients show poor prognosis regarding metastasis and chemotherapy resistance. The aim of this study was to estimate the effect of CXCR4 knockdown-mediated reduction of cancer stem cells (CSCs) and epithelial-mesenchymal transition (EMT) stemness and enhancement of chemotherapy sensitivity in EOC. Mechanisms contributing to these effects were also explored. Our data showed distinct contribution of CXCR4 overexpression by dependent PI3K/Akt/mTOR signaling pathway in EOC development. CXCR4 knockdown resulted in a reduction in CSCs and EMT formation and enhancement of chemotherapy sensitivity in tumor cells, which was further advanced by blocking CXCR4-PI3K/Akt/mTOR signaling. This study also documented the critical role of silencing CXCR4 in sensitizing ovarian CSCs to chemotherapy. Thus, targeting CXCR4 to suppress EOC progression, specifically in combination with paclitaxel (PTX) treatment, may have clinical application value.
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Affiliation(s)
- Dan Zi
- Department of Obstetrics and Gynecology, Guizhou Provincial People’s Hospital, Guiyang 550002, Guizhou, China
- Department of Obstetrics and Gynecology, Affiliated Hospital of Guizhou Medical University, Guiyang 550004, China
- Key Laboratory of Adult Stem Cell Transformation Research, Chinese Academy of Medical Sciences/Stem Cell and Tissue Engineering Research Center, Guizhou Medical University, Guiyang 550004, China
- Key Laboratory of Endemic and Ethnic Diseases and Key Laboratory of Molecular Biology, Ministry of Education, Guizhou Medical University, Guiyang 550004, China
- Department of Pharmaceutical Sciences, College of Pharmacy, University of South Florida, Tampa, FL 33612, USA
| | - Qing Li
- Cancer Center, Daping Hospital and Research Institute of Surgery, The Third Military Medical University, Yuzhong 40042, Chongqing, China
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China
| | - Cheng-xiong Xu
- Cancer Center, Daping Hospital and Research Institute of Surgery, The Third Military Medical University, Yuzhong 40042, Chongqing, China
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China
| | - Zhi-Wei Zhou
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Guan-Bin Song
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Cheng-Bin Hu
- Department of Computer Science and Engineering, University of South Florida, Tampa, FL 33620, USA
| | - Fang Wen
- Department of Obstetrics and Gynecology, Affiliated Hospital of Guizhou Medical University, Guiyang 550004, China
| | - Han-Lin Yang
- Department of Obstetrics and Gynecology, Affiliated Hospital of Guizhou Medical University, Guiyang 550004, China
| | - Lei Nie
- Department of Obstetrics and Gynecology, Affiliated Hospital of Guizhou Medical University, Guiyang 550004, China
| | - Xing Zhao
- Key Laboratory of Adult Stem Cell Transformation Research, Chinese Academy of Medical Sciences/Stem Cell and Tissue Engineering Research Center, Guizhou Medical University, Guiyang 550004, China
| | - Jun Tan
- Key Laboratory of Endemic and Ethnic Diseases and Key Laboratory of Molecular Biology, Ministry of Education, Guizhou Medical University, Guiyang 550004, China
| | - Shu-Feng Zhou
- Department of Pharmaceutical Sciences, College of Pharmacy, University of South Florida, Tampa, FL 33612, USA
- Department of Bioengineering and Biotechnology, College of Chemical Engineering, Huaqiao University, Xiamen 361021, Fujian, China
| | - Zhi-Xu He
- Key Laboratory of Adult Stem Cell Transformation Research, Chinese Academy of Medical Sciences/Stem Cell and Tissue Engineering Research Center, Guizhou Medical University, Guiyang 550004, China
- Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China
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7
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Sobstyl M, Brecht P, Sobstyl A, Mertowska P, Grywalska E. The Role of Microbiota in the Immunopathogenesis of Endometrial Cancer. Int J Mol Sci 2022; 23:ijms23105756. [PMID: 35628566 PMCID: PMC9143279 DOI: 10.3390/ijms23105756] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 02/01/2023] Open
Abstract
The female reproductive tract hosts a specific microbiome, which plays a crucial role in sustaining equilibrium and good health. In the majority of reproductive women, the microbiota (all bacteria, viruses, fungi, and other single-celled organisms within the human body) of the vaginal and cervical microenvironment are dominated by Lactobacillus species, which benefit the host through symbiotic relationships, in comparison to the uterus, fallopian tubes, and ovaries, which may contain a low-biomass microbiome with a diverse mixture of microorganisms. Although disruption to the balance of the microbiota develops, the altered immune and metabolic signaling may cause an impact on diseases such as cancer. These pathophysiological modifications in the gut–uterus axis may spark gynecological cancers. New information displays that gynecological and gastrointestinal tract dysbiosis (disruption of the microbiota homeostasis) can play an active role in the advancement and metastasis of gynecological neoplasms, such as cervical, endometrial, and ovarian cancers. Understanding the relationship between microbiota and endometrial cancer is critical for prognosis, diagnosis, prevention, and the development of innovative treatments. Identifying a specific microbiome may become an effective method for characterization of the specific microbiota involved in endometrial carcinogenesis. The aim of this study was to summarize the current state of knowledge that describes the correlation of microbiota with endometrial cancer with regard to the formation of immunological pathologies.
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Affiliation(s)
- Małgorzata Sobstyl
- Department of Gynecology and Gynecological Endocrinology, Medical University of Lublin, 20-037 Lublin, Poland;
| | - Peet Brecht
- Department of Experimental Immunology, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (P.B.); (A.S.)
| | - Anna Sobstyl
- Department of Experimental Immunology, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (P.B.); (A.S.)
| | - Paulina Mertowska
- Department of Experimental Immunology, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (P.B.); (A.S.)
- Correspondence: (P.M.); (E.G.)
| | - Ewelina Grywalska
- Department of Experimental Immunology, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (P.B.); (A.S.)
- Correspondence: (P.M.); (E.G.)
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8
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Akbarzadeh M, Mihanfar A, Akbarzadeh S, Yousefi B, Majidinia M. Crosstalk between miRNA and PI3K/AKT/mTOR signaling pathway in cancer. Life Sci 2021; 285:119984. [PMID: 34592229 DOI: 10.1016/j.lfs.2021.119984] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 09/09/2021] [Accepted: 09/19/2021] [Indexed: 01/07/2023]
Abstract
Phosphoinositide-3 kinase (PI3K)/AKT/mammalian target of rapamycin (mTOR) signaling pathway is one of the most important proliferative signaling pathways with critical undeniable function in various aspects of cancer initiation/progression, including proliferation, apoptosis, metastasis, angiogenesis, and drug resistance. On the other hand, numerous genetic alterations in the key genes involved in the PI3K/AKT/mTOR signaling pathway have been identified in multiple solid and hematological tumors. In addition, accumulating recent evidences have demonstrated a reciprocal interaction between this signaling pathway and microRNAs, a large group of small non-coding RNAs. Therefore, in this review, it was attempted to discuss about the interaction between key components of PI3K/AKT/mTOR signaling pathway with various miRNAs and their importance in cancer biology.
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Affiliation(s)
- Maryam Akbarzadeh
- Department of biochemistry, Urmia University of Medical Sciences, Urmia, Iran
| | - Ainaz Mihanfar
- Department of biochemistry, Urmia University of Medical Sciences, Urmia, Iran
| | - Shabnam Akbarzadeh
- Department of Physical Education and Sport Medicine, University of Tabriz, Tabriz, Iran
| | - Bahman Yousefi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Majidinia
- Solid Tumor Research Center, Urmia University of Medical Sciences, Urmia, Iran.
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Anastasiadou E, Messina E, Sanavia T, Labruna V, Ceccarelli S, Megiorni F, Gerini G, Pontecorvi P, Camero S, Perniola G, Venneri MA, Trivedi P, Lenzi A, Marchese C. Calcineurin Gamma Catalytic Subunit PPP3CC Inhibition by miR-200c-3p Affects Apoptosis in Epithelial Ovarian Cancer. Genes (Basel) 2021; 12:genes12091400. [PMID: 34573382 PMCID: PMC8470066 DOI: 10.3390/genes12091400] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 09/02/2021] [Accepted: 09/07/2021] [Indexed: 02/07/2023] Open
Abstract
Epithelial ovarian cancer (EOC) outpaces all the other forms of the female reproductive system malignancies. MicroRNAs have emerged as promising predictive biomarkers to therapeutic treatments as their expression might characterize the tumor stage or grade. In EOC, miR-200c is considered a master regulator of oncogenes or tumor suppressors. To investigate novel miR-200c-3p target genes involved in EOC tumorigenesis, we evaluated the association between this miRNA and the mRNA expression of several potential target genes by RNA-seq data of both 46 EOC cell lines from Cancer Cell line Encyclopedia (CCLE) and 456 EOC patient bio-specimens from The Cancer Genome Atlas (TCGA). Both analyses showed a significant anticorrelation between miR-200c-3p and the protein phosphatase 3 catalytic subunit γ of calcineurin (PPP3CC) levels involved in the apoptosis pathway. Quantitative mRNA expression analysis in patient biopsies confirmed the inverse correlation between miR-200c-3p and PPP3CC levels. In vitro regulation of PPP3CC expression through miR-200c-3p and RNA interference technology led to a concomitant modulation of BCL2- and p-AKT-related pathways, suggesting the tumor suppressive role of PPP3CC in EOC. Our results suggest that inhibition of high expression of miR-200c-3p in EOC might lead to overexpression of the tumor suppressor PPP3CC and subsequent induction of apoptosis in EOC patients.
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Affiliation(s)
- Eleni Anastasiadou
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.M.); (V.L.); (S.C.); (F.M.); (G.G.); (P.P.); (M.A.V.); (P.T.); (A.L.); (C.M.)
- Correspondence:
| | - Elena Messina
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.M.); (V.L.); (S.C.); (F.M.); (G.G.); (P.P.); (M.A.V.); (P.T.); (A.L.); (C.M.)
| | - Tiziana Sanavia
- Department of Medical Sciences, University of Torino, 10126 Torino, Italy;
| | - Vittorio Labruna
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.M.); (V.L.); (S.C.); (F.M.); (G.G.); (P.P.); (M.A.V.); (P.T.); (A.L.); (C.M.)
| | - Simona Ceccarelli
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.M.); (V.L.); (S.C.); (F.M.); (G.G.); (P.P.); (M.A.V.); (P.T.); (A.L.); (C.M.)
| | - Francesca Megiorni
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.M.); (V.L.); (S.C.); (F.M.); (G.G.); (P.P.); (M.A.V.); (P.T.); (A.L.); (C.M.)
| | - Giulia Gerini
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.M.); (V.L.); (S.C.); (F.M.); (G.G.); (P.P.); (M.A.V.); (P.T.); (A.L.); (C.M.)
| | - Paola Pontecorvi
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.M.); (V.L.); (S.C.); (F.M.); (G.G.); (P.P.); (M.A.V.); (P.T.); (A.L.); (C.M.)
| | - Simona Camero
- Department of Maternal, Infantile and Urological Sciences, “Sapienza” University of Rome, 00161 Rome, Italy;
| | - Giorgia Perniola
- Department of Gynecological-Obstetric Sciences and Urological Sciences, Sapienza University of Rome, 00161 Rome, Italy;
| | - Mary Anna Venneri
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.M.); (V.L.); (S.C.); (F.M.); (G.G.); (P.P.); (M.A.V.); (P.T.); (A.L.); (C.M.)
| | - Pankaj Trivedi
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.M.); (V.L.); (S.C.); (F.M.); (G.G.); (P.P.); (M.A.V.); (P.T.); (A.L.); (C.M.)
| | - Andrea Lenzi
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.M.); (V.L.); (S.C.); (F.M.); (G.G.); (P.P.); (M.A.V.); (P.T.); (A.L.); (C.M.)
| | - Cinzia Marchese
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.M.); (V.L.); (S.C.); (F.M.); (G.G.); (P.P.); (M.A.V.); (P.T.); (A.L.); (C.M.)
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10
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Krasniqi E, Sacconi A, Marinelli D, Pizzuti L, Mazzotta M, Sergi D, Capomolla E, Donzelli S, Carosi M, Bagnato A, Gamucci T, Tomao S, Natoli C, Marchetti P, Grassadonia A, Tinari N, De Tursi M, Vizza E, Ciliberto G, Landi L, Cappuzzo F, Barba M, Blandino G, Vici P. MicroRNA-based signatures impacting clinical course and biology of ovarian cancer: a miRNOmics study. Biomark Res 2021; 9:57. [PMID: 34256855 PMCID: PMC8276429 DOI: 10.1186/s40364-021-00289-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 04/26/2021] [Indexed: 02/06/2023] Open
Abstract
Background In Western countries, ovarian cancer (OC) still represents the leading cause of gynecological cancer-related deaths, despite the remarkable gains in therapeutical options. Novel biomarkers of early diagnosis, prognosis definition and prediction of treatment outcomes are of pivotal importance. Prior studies have shown the potentials of micro-ribonucleic acids (miRNAs) as biomarkers for OC and other cancers. Methods We focused on the prognostic and/or predictive potential of miRNAs in OC by conducting a comprehensive array profiling of miRNA expression levels in ovarian tissue samples from 17 non-neoplastic controls, and 60 tumor samples from OC patients treated at the Regina Elena National Cancer Institute (IRE). A set of 54 miRNAs with differential expression in tumor versus normal samples (T/N-deregulated) was identified in the IRE cohort and validated against data from the Cancer Genoma Atlas (TCGA) related to 563 OC patients and 8 non-neoplastic controls. The prognostic/predictive role of the selected 54 biomarkers was tested in reference to survival endpoints and platinum resistance (P-res). Results In the IRE cohort, downregulation of the 2 miRNA-signature including miR-99a-5p and miR-320a held a negative prognostic relevance, while upregulation of miR-224-5p was predictive of less favorable event free survival (EFS) and P-res. Data from the TCGA showed that downregulation of 5 miRNAs, i.e., miR-150, miR-30d, miR-342, miR-424, and miR-502, was associated with more favorable EFS and overall survival outcomes, while miR-200a upregulation was predictive of P-res. The 9 miRNAs globally identified were all included into a single biologic signature, which was tested in enrichment analysis using predicted/validated miRNA target genes, followed by network representation of the miRNA-mRNA interactions. Conclusions Specific dysregulated microRNA sets in tumor tissue showed predictive/prognostic value in OC, and resulted in a promising biological signature for this disease. Supplementary Information The online version contains supplementary material available at 10.1186/s40364-021-00289-6.
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Affiliation(s)
- E Krasniqi
- Division of Medical Oncology 2, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - A Sacconi
- UOSD Clinical Trial Center, Biostatistics and Bioinformatics, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - D Marinelli
- Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Medical Oncology Unit, Sapienza University, Via di Grottarossa 1035/1039, 00189, Rome, Italy
| | - L Pizzuti
- Division of Medical Oncology 2, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - M Mazzotta
- Division of Medical Oncology 2, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - D Sergi
- Division of Medical Oncology 2, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - E Capomolla
- Division of Medical Oncology 2, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - S Donzelli
- Oncogenomic and Epigenetic Unit, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - M Carosi
- Pathology Department IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - A Bagnato
- Preclinical Models and New Therapeutic Agents Unit, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - T Gamucci
- Medical Oncology, Sandro Pertini Hospital, Via dei Monti Tiburtini 385, 00157, Rome, Italy
| | - S Tomao
- Department of Radiological Oncological and Pathological Sciences, Division of Medical Oncology A, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - C Natoli
- Department of Medical, Oral & Biotechnological Sciences, University G. D'Annunzio, Via dei Vestini, 31, 66100, Chieti, Italy
| | - P Marchetti
- Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Medical Oncology Unit, Sapienza University, Via di Grottarossa 1035/1039, 00189, Rome, Italy
| | - A Grassadonia
- Department of Medical, Oral & Biotechnological Sciences, University G. D'Annunzio, Via dei Vestini, 31, 66100, Chieti, Italy
| | - N Tinari
- Department of Medical, Oral & Biotechnological Sciences, University G. D'Annunzio, Via dei Vestini, 31, 66100, Chieti, Italy
| | - M De Tursi
- Department of Medical, Oral & Biotechnological Sciences, University G. D'Annunzio, Via dei Vestini, 31, 66100, Chieti, Italy
| | - E Vizza
- Department of Oncological Surgery, Gynecologic Oncologic Unit, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - G Ciliberto
- Scientific Direction, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - L Landi
- Division of Medical Oncology 2, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - F Cappuzzo
- Division of Medical Oncology 2, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
| | - M Barba
- Division of Medical Oncology 2, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy.
| | - G Blandino
- Oncogenomic and Epigenetic Unit, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy.
| | - P Vici
- Division of Medical Oncology 2, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
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Miree O, Srivastava SK, Dasgupta S, Singh S, Rocconi R, Singh AP. Current and Futuristic Roadmap of Ovarian Cancer Management: An Overview. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1330:1-19. [PMID: 34339027 DOI: 10.1007/978-3-030-73359-9_1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Ovarian cancer (OC) is the most lethal gynecological malignancy among women worldwide. In most cases, it is diagnosed late at an advanced stage and does not respond well to existing therapies leading to its poor prognosis. In addition, other factors including epidemiological, complex histological diversity, multiple molecular alterations, and overlapping signaling pathways are also important contributors to poor disease outcome. Efforts have continued to develop a deeper understanding of the molecular pathogenesis and altered signaling nodes that provide hope for better clinical management through the development of novel approaches for early diagnosis, disease subtyping, prognosis, and therapy. In this chapter, we provide a detailed overview of OC and its histological subtypes and discuss prevalent molecular aberrations and active signaling pathways that drive OC progression. We also summarize various diagnostic and prognostic markers and therapeutic approaches currently being employed and discuss emerging findings that hold the potential to change the future course of OC management.
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Affiliation(s)
- Orlandric Miree
- Department of Pathology, College of Medicine, University of South Alabama, Mobile, AL, USA.,Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA
| | - Sanjeev Kumar Srivastava
- Department of Pathology, College of Medicine, University of South Alabama, Mobile, AL, USA.,Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA
| | - Santanu Dasgupta
- Department of Medicine, The University of Texas Health Science Center at Tyler, Tyler, TX, USA
| | - Seema Singh
- Department of Pathology, College of Medicine, University of South Alabama, Mobile, AL, USA.,Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA.,Department of Biochemistry and Molecular Biology, College of Medicine, University of South Alabama, Mobile, AL, USA
| | - Rodney Rocconi
- Division of Gynecologic Oncology, Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA
| | - Ajay Pratap Singh
- Department of Pathology, College of Medicine, University of South Alabama, Mobile, AL, USA. .,Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA. .,Department of Biochemistry and Molecular Biology, College of Medicine, University of South Alabama, Mobile, AL, USA.
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12
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Adil MS, Khulood D, Somanath PR. Targeting Akt-associated microRNAs for cancer therapeutics. Biochem Pharmacol 2020; 189:114384. [PMID: 33347867 DOI: 10.1016/j.bcp.2020.114384] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 12/14/2020] [Accepted: 12/16/2020] [Indexed: 12/19/2022]
Abstract
The uncontrolled growth and spread of abnormal cells because of activating protooncogenes and/or inactivating tumor suppressor genes are the hallmarks of cancer. The PI3K/Akt signaling is one of the most frequently activated pathways in cancer cells responsible for the regulation of cell survival and proliferation in stress and hypoxic conditions during oncogenesis. Non-coding RNAs are a large family of RNAs that are not involved in protein-coding, and microRNAs (miRNAs) are a sub-set of non-coding RNAs with a single strand of 18-25 nucleotides. miRNAs are extensively involved in the post-transcriptional regulation of gene expression and play an extensive role in the regulatory mechanisms including cell differentiation, proliferation, apoptosis, and tumorigenesis. The impact of cancer on mRNA stability and translation efficiency is extensive and therefore, cancerous tissues exhibit drastic alterations in the expression of miRNAs. miRNAs can be modulated by utilizing techniques such as miRNA mimics, miRNA antagonists, or CRISPR/Cas9. In addition to their capacity as potential targets in cancer therapy, they can be used as reliable biomarkers to diagnose the disease at the earliest stage. Recent evidence indicates that microRNA-mediated gene regulation intersects with the Akt pathway, forming an Akt-microRNA regulatory network. miRNAs and Akt in this network operate together to exert their cellular tasks. In the current review, we discuss the Akt-associated miRNAs in several cancers, their molecular regulation, and how this newly emerging knowledge may contribute greatly to revolutionize cancer therapy.
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Affiliation(s)
- Mir S Adil
- Clinical and Experimental Therapeutics, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA, United States
| | - Daulat Khulood
- Clinical and Experimental Therapeutics, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA, United States
| | - Payaningal R Somanath
- Clinical and Experimental Therapeutics, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA, United States.
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13
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Nguyen VHL, Yue C, Du KY, Salem M, O’Brien J, Peng C. The Role of microRNAs in Epithelial Ovarian Cancer Metastasis. Int J Mol Sci 2020; 21:ijms21197093. [PMID: 32993038 PMCID: PMC7583982 DOI: 10.3390/ijms21197093] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 09/22/2020] [Accepted: 09/23/2020] [Indexed: 12/11/2022] Open
Abstract
Epithelial ovarian cancer (EOC) is the deadliest gynecological cancer, and the major cause of death is mainly attributed to metastasis. MicroRNAs (miRNAs) are a group of small non-coding RNAs that exert important regulatory functions in many biological processes through their effects on regulating gene expression. In most cases, miRNAs interact with the 3′ UTRs of target mRNAs to induce their degradation and suppress their translation. Aberrant expression of miRNAs has been detected in EOC tumors and/or the biological fluids of EOC patients. Such dysregulation occurs as the result of alterations in DNA copy numbers, epigenetic regulation, and miRNA biogenesis. Many studies have demonstrated that miRNAs can promote or suppress events related to EOC metastasis, such as cell migration, invasion, epithelial-to-mesenchymal transition, and interaction with the tumor microenvironment. In this review, we provide a brief overview of miRNA biogenesis and highlight some key events and regulations related to EOC metastasis. We summarize current knowledge on how miRNAs are dysregulated, focusing on those that have been reported to regulate metastasis. Furthermore, we discuss the role of miRNAs in promoting and inhibiting EOC metastasis. Finally, we point out some limitations of current findings and suggest future research directions in the field.
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Affiliation(s)
- Vu Hong Loan Nguyen
- Department of Biology, York University, Toronto, ON M3J 1P3, Canada; (V.H.L.N.); (C.Y.); (K.Y.D.); (M.S.); (J.O.)
| | - Chenyang Yue
- Department of Biology, York University, Toronto, ON M3J 1P3, Canada; (V.H.L.N.); (C.Y.); (K.Y.D.); (M.S.); (J.O.)
| | - Kevin Y. Du
- Department of Biology, York University, Toronto, ON M3J 1P3, Canada; (V.H.L.N.); (C.Y.); (K.Y.D.); (M.S.); (J.O.)
| | - Mohamed Salem
- Department of Biology, York University, Toronto, ON M3J 1P3, Canada; (V.H.L.N.); (C.Y.); (K.Y.D.); (M.S.); (J.O.)
| | - Jacob O’Brien
- Department of Biology, York University, Toronto, ON M3J 1P3, Canada; (V.H.L.N.); (C.Y.); (K.Y.D.); (M.S.); (J.O.)
| | - Chun Peng
- Department of Biology, York University, Toronto, ON M3J 1P3, Canada; (V.H.L.N.); (C.Y.); (K.Y.D.); (M.S.); (J.O.)
- Centre for Research in Biomolecular Interactions, York University, Toronto, ON M3J 1P3, Canada
- Correspondence:
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14
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Hypoxia induces an endometrial cancer stem-like cell phenotype via HIF-dependent demethylation of SOX2 mRNA. Oncogenesis 2020; 9:81. [PMID: 32913192 PMCID: PMC7484801 DOI: 10.1038/s41389-020-00265-z] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 07/31/2020] [Accepted: 08/21/2020] [Indexed: 12/20/2022] Open
Abstract
Endometrial cancer stem cells (ECSCs) are stem-like cells endowed with self-renewal and differentiation abilities, and these cells are essential for cancer progression in endometrial cancer (EC). As hallmarks of the tumour microenvironment (TME), hypoxia and hypoxia-inducing factors (HIFs) give rise to the dysregulation of tumour stemness genes, such as SOX2. Against this backdrop, we investigated the regulatory mechanisms regulated by HIFs and SOX2 in ECSCs during EC development. Here, ECSCs isolated from EC cell lines and tissues were found to express stemness genes (CD133 and aldehyde dehydrogenase, ALDH1) following the induction of their ECSC expansion. Notably, m6A methylation of RNA and HIF-1α/2α-dependent AlkB homologue 5 (ALKBH5) participate in the regulation of HIFs and SOX2 in EC, as confirmed by the observations that mRNA levels of m6A demethylases and ALKBH5 significantly increase under hypoxic conditions in ECSCs. Moreover, hypoxia and high ALKBH5 levels restore the stem-like state of differentiated ECSCs and increase the ECSC-like phenotype, whereas the knockdown of HIFs or ALKBH5 significantly reduces their tumour initiation capacity. In addition, our findings validate the role of ALKBH5 in promoting SOX2 transcription via mRNA demethylation, thereby maintaining the stem-like state and tumorigenicity potential of ECSCs. In conclusion, these observations demonstrate a critical role for m6A methylation-mediated regulation of the HIF-ALKBH5-SOX2 axis during ECSC expansion in hypoxic TMEs.
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15
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Zhou N, Ma X, Hu W, Ren P, Zhao Y, Zhang T. Effect of RGD content in poly(ethylene glycol)-crosslinked poly(methyl vinyl ether-alt-maleic acid) hydrogels on the expansion of ovarian cancer stem-like cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 118:111477. [PMID: 33255056 DOI: 10.1016/j.msec.2020.111477] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 08/25/2020] [Accepted: 08/31/2020] [Indexed: 12/28/2022]
Abstract
The extracellular matrix (ECM) affects cell behaviors, such as survival, proliferation, motility, invasion, and differentiation. The arginine-glycine-aspartic acid (RGD) sequence is present in several ECM proteins, such as fibronectin, collagen type I, fibrinogen, laminin, vitronectin, and osteopontin. It is very critical to develop ECM-like substrates with well-controlled features for the investigation of influence of RGD on the behavior of tumor cells. In this study, poly(ethylene glycol) (PEG)-crosslinked poly(methyl vinyl ether-alt-maleic acid) (P(MVE-alt-MA)) hydrogels (PEMM) with different RGD contents were synthesized, fully characterized, and established as in vitro culture platforms to investigate the effects of RGD content on cancer stem cell (CSC) enrichment. The morphology, proliferation, and viability of SK-OV-3 ovarian cancer cells cultured on hydrogels with different RGD contents, the expression of CSC markers and malignant signaling pathway-related genes, and drug resistance were systematically evaluated. The cell aggregates formed on the hydrogel surface with a lower RGD content acquired certain CSC-like properties, thus drug resistance was enhanced. In contrast, the drug sensitivity of cells on the higher RGD content surface increased because of less CSC-like properties. However, the presence of RGD in the stiff hydrogels (PEMM2) had less effect on the stemness expression than did its presence in the soft hydrogels (PEMM1). The results suggest that RGD content and matrix stiffness can lead to synergetic effects on the expression of cancer cell stemness and the epithelial-mesenchymal transition (EMT), interleukin-6 (IL-6), and Wnt pathways.
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Affiliation(s)
- Naizhen Zhou
- State Key Lab of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Xiaoe Ma
- State Key Lab of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Wanjun Hu
- State Key Lab of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Pengfei Ren
- State Key Lab of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Youliang Zhao
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Tianzhu Zhang
- State Key Lab of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
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16
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Ma L, Tang X, Guo S, Liang M, Zhang B, Jiang Z. miRNA-21-3p targeting of FGF2 suppresses autophagy of bovine ovarian granulosa cells through AKT/mTOR pathway. Theriogenology 2020; 157:226-237. [PMID: 32818880 DOI: 10.1016/j.theriogenology.2020.06.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 06/09/2020] [Accepted: 06/22/2020] [Indexed: 01/01/2023]
Abstract
It is widely thought that the main reason for ovarian follicular atresia is apoptosis of granulosa cells, however, accumulating evidence suggests that autophagy plays a role in the fate of granulosa cells. Although epigenetic regulation including miR-21-3p associated with autophagy process has been reported in many cancer types, nevertheless, the mechanism of miR-21-3p in bovine ovary is poorly understood. In the present study, bovine ovarian granulosa cells (BGCs) were used as a model to elucidate the autophagy and role of miR-21-3p in a cattle ovary. The results from gene expression and tagged autophagosomes showed the autophagy in BGCs and miR-21-3p was identified as an important miRNA regulating autophagy of BGCs. The current results indicated that FGF2 was a validated target of miR-21-3p in autophagy regulation of BGCs according to the results from FGF2 luciferase reporter assays and FGF2 overexpression (oe-FGF2) or small interference (si-FGF2). Transfection of miR-21-3p mimic and si-FGF2 plasmids resulted in decreasing phosphorylated AKT and mTOR, while transfection of miR-21-3p inhibitor and oe-FGF2 increased the phosphorylated level of AKT and mTOR in BGCs. These data indicate that regulation of miR-21-3p on BGCs autophagy through AKT/mTOR pathway. In summary, this study suggests that miR-21-3p targets FGF2 to inhibit BGCs autophagy by repressing AKT/mTOR signaling.
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Affiliation(s)
- Lizhu Ma
- Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China
| | - Xiaorong Tang
- Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China
| | - Shun Guo
- Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China
| | - Mingyue Liang
- Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China
| | - Bin Zhang
- College of Animal Science and Technology, State Key Laboratory for Sheep Genetic Improvement and Healthy Production, Xinjiang Academy of Agricultural and Reclamation Science, Shihezi, 832000, China
| | - Zhongliang Jiang
- Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China.
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Muñoz-Galván S, Carnero A. Targeting Cancer Stem Cells to Overcome Therapy Resistance in Ovarian Cancer. Cells 2020; 9:cells9061402. [PMID: 32512891 PMCID: PMC7349391 DOI: 10.3390/cells9061402] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 06/02/2020] [Indexed: 12/18/2022] Open
Abstract
Ovarian cancer is the most lethal gynecological malignancy due to its late detection and high recurrence rate. Resistance to conventional platinum-based therapies and metastasis are attributed to a population of cells within tumors called cancer stem cells, which possess stem-like features and are able to recapitulate new tumors. Recent studies have deepened the understanding of the biology of ovarian cancer stem cells and their special properties and have identified multiple markers and signaling pathways responsible for their self-renewal abilities. Targeting cancer stem cells represents the most promising strategy for overcoming therapy resistance and reducing mortality in ovarian cancer, but further efforts must be made to improve our understanding of the mechanisms involved in therapy resistance. In this review, we summarize our current knowledge about ovarian cancer stem cells, their involvement in metastasis and their interactions with the tumor microenvironment; we also discuss the therapeutic approaches that are being developed to target them to prevent tumor relapse.
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Affiliation(s)
- Sandra Muñoz-Galván
- Instituto de Biomedicina de Sevilla, IBIS, Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Consejo Superior de Investigaciones Científicas, Avda. Manuel Siurot s/n, 41013 Seville, Spain
- CIBERONC, Instituto de Salud Carlos III, 28029 Madrid, Spain
- Correspondence: (S.M.-G.); (A.C.); Tel.: +34-955-923-115 (S.M.-G); +34-955-923-110 (A.C.)
| | - Amancio Carnero
- Instituto de Biomedicina de Sevilla, IBIS, Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Consejo Superior de Investigaciones Científicas, Avda. Manuel Siurot s/n, 41013 Seville, Spain
- CIBERONC, Instituto de Salud Carlos III, 28029 Madrid, Spain
- Correspondence: (S.M.-G.); (A.C.); Tel.: +34-955-923-115 (S.M.-G); +34-955-923-110 (A.C.)
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Abstract
Introduction: Ovarian carcinoma (OC) is the leading cause of death in women with gynecologic cancers. Most patients are diagnosed at an advanced stage with a low five-year survival rate of 20-30%. Discovering novel biomarkers for early detection and outcome prediction of OC is an urgent medical need. miRNAs, a group of small non-coding RNAs, play critical roles in multiple biologic processes and cancer pathogenesis.Areas covered: We provide an in-depth look at the functions of miRNAs in OC, particularly focusing on their roles in chemoresistance and metastasis in OC. We also discuss the biological and clinical significance of miRNAs in exosomes and expand on long non-coding RNA which acts as ceRNA of miRNAs.Expert opinion: miRNAs participate in many biological processes including proliferation, apoptosis, chemoresistance, metastasis, epithelial-mesenchymal transition, and cancer stem cell. They will substantially contribute to our understanding of OC pathogenesis. Given their resistance to the degradation of ribonucleases and availability in plasma exosomes, miRNAs may serve as emerging biomarkers for cancer detection, therapeutic assessment, and prognostic prediction. Being a messenger, exosomal miRNAs are crucial for the crosstalk between cancer cells and stromal cells in tumor microenvironment.
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Affiliation(s)
- Huilin Zhang
- Department of Surgical Pathology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Bingjian Lu
- Department of Surgical Pathology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
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Kerwin J, Khan I. Replication Study: A coding-independent function of gene and pseudogene mRNAs regulates tumour biology. eLife 2020; 9:e51019. [PMID: 32314732 PMCID: PMC7185998 DOI: 10.7554/elife.51019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 02/20/2020] [Indexed: 01/02/2023] Open
Abstract
As part of the Reproducibility Project: Cancer Biology we published a Registered Report (Khan et al., 2015), that described how we intended to replicate selected experiments from the paper "A coding-independent function of gene and pseudogene mRNAs regulates tumour biology" (Poliseno et al., 2010). Here we report the results. We found PTEN depletion in the prostate cancer cell line DU145 did not detectably impact expression of the corresponding pseudogene PTENP1. Similarly, depletion of PTENP1 did not impact PTEN mRNA levels. The original study reported PTEN or PTENP1 depletion statistically reduced the corresponding pseudogene or gene (Figure 2G; Poliseno et al., 2010). PTEN and/or PTENP1 depletion in DU145 cells decreased PTEN protein expression, which was similar to the original study (Figure 2H; Poliseno et al., 2010). Further, depletion of PTEN and/or PTENP1 increased DU145 proliferation compared to non-targeting siRNA, which was in the same direction as the original study (Figure 2F; Poliseno et al., 2010), but not statistically significant. We found PTEN 3'UTR overexpression in DU145 cells did not impact PTENP1 expression, while the original study reported PTEN 3'UTR increased PTENP1 levels (Figure 4A; Poliseno et al., 2010). Overexpression of PTEN 3'UTR also statistically decreased DU145 proliferation compared to controls, which was similar to the findings reported in the original study (Figure 4A; Poliseno et al., 2010). Differences between the original study and this replication attempt, such as level of knockdown efficiency and cellular confluence, are factors that might have influenced the results. Finally, where possible, we report meta-analyses for each result.
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Affiliation(s)
- John Kerwin
- University of Maryland, College Park, United States
| | - Israr Khan
- Alamo Laboratories Inc, San Antonio, United States
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Role of miRNA-Regulated Cancer Stem Cells in the Pathogenesis of Human Malignancies. Cells 2019; 8:cells8080840. [PMID: 31530793 PMCID: PMC6721829 DOI: 10.3390/cells8080840] [Citation(s) in RCA: 169] [Impact Index Per Article: 33.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 07/28/2019] [Accepted: 07/31/2019] [Indexed: 12/12/2022] Open
Abstract
Recent biomedical discoveries have revolutionized the concept and understanding of carcinogenesis, a complex and multistep phenomenon which involves accretion of genetic, epigenetic, biochemical, and histological changes, with special reference to MicroRNAs (miRNAs) and cancer stem cells (CSCs). miRNAs are small noncoding molecules known to regulate expression of more than 60% of the human genes, and their aberrant expression has been associated with the pathogenesis of human cancers and the regulation of stemness features of CSCs. CSCs are the small population of cells present in human malignancies well-known for cancer resistance, relapse, tumorigenesis, and poor clinical outcome which compels the development of novel and effective therapeutic protocols for better clinical outcome. Interestingly, the role of miRNAs in maintaining and regulating the functioning of CSCs through targeting various oncogenic signaling pathways, such as Notch, wingless (WNT)/β-Catenin, janus kinases/ signal transducer and activator of transcription (JAK/STAT), phosphatidylinositol 3-kinase/ protein kinase B (PI3/AKT), and nuclear factor kappa-light-chain-enhancer of activated B (NF-kB), is critical and poses a huge challenge to cancer treatment. Based on recent findings, here, we have documented the regulatory action or the underlying mechanisms of how miRNAs affect the signaling pathways attributed to stemness features of CSCs, such as self-renewal, differentiation, epithelial to mesenchymal transition (EMT), metastasis, resistance and recurrence etc., associated with the pathogenesis of various types of human malignancies including colorectal cancer, lung cancer, breast cancer, head and neck cancer, prostate cancer, liver cancer, etc. We also shed light on the fact that the targeted attenuation of deregulated functioning of miRNA related to stemness in human carcinogenesis could be a viable approach for cancer treatment.
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Luongo F, Colonna F, Calapà F, Vitale S, Fiori ME, De Maria R. PTEN Tumor-Suppressor: The Dam of Stemness in Cancer. Cancers (Basel) 2019; 11:E1076. [PMID: 31366089 PMCID: PMC6721423 DOI: 10.3390/cancers11081076] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 07/24/2019] [Accepted: 07/26/2019] [Indexed: 12/11/2022] Open
Abstract
PTEN is one of the most frequently inactivated tumor suppressor genes in cancer. Loss or variation in PTEN gene/protein levels is commonly observed in a broad spectrum of human cancers, while germline PTEN mutations cause inherited syndromes that lead to increased risk of tumors. PTEN restrains tumorigenesis through different mechanisms ranging from phosphatase-dependent and independent activities, subcellular localization and protein interaction, modulating a broad array of cellular functions including growth, proliferation, survival, DNA repair, and cell motility. The main target of PTEN phosphatase activity is one of the most significant cell growth and pro-survival signaling pathway in cancer: PI3K/AKT/mTOR. Several shreds of evidence shed light on the critical role of PTEN in normal and cancer stem cells (CSCs) homeostasis, with its loss fostering the CSC compartment in both solid and hematologic malignancies. CSCs are responsible for tumor propagation, metastatic spread, resistance to therapy, and relapse. Thus, understanding how alterations of PTEN levels affect CSC hallmarks could be crucial for the development of successful therapeutic approaches. Here, we discuss the most significant findings on PTEN-mediated control of CSC state. We aim to unravel the role of PTEN in the regulation of key mechanisms specific for CSCs, such as self-renewal, quiescence/cell cycle, Epithelial-to-Mesenchymal-Transition (EMT), with a particular focus on PTEN-based therapy resistance mechanisms and their exploitation for novel therapeutic approaches in cancer treatment.
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Affiliation(s)
- Francesca Luongo
- Istituto di Patologia Generale, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Francesca Colonna
- Istituto di Patologia Generale, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Federica Calapà
- Istituto di Patologia Generale, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Sara Vitale
- Istituto di Patologia Generale, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Micol E Fiori
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy.
| | - Ruggero De Maria
- Istituto di Patologia Generale, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy.
- Scientific Vice-Direction, Fondazione Policlinico Universitario "A. Gemelli"-I.R.C.C.S., Largo Francesco Vito 1-8, 00168 Rome, Italy.
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22
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Bu S, Li B, Wang Q, Gu T, Dong Q, Miao X, Lai D. Epithelial ovarian cancer stem‑like cells are resistant to the cellular lysis of cytokine‑induced killer cells via HIF1A‑mediated downregulation of ICAM‑1. Int J Oncol 2019; 55:179-190. [PMID: 31059002 DOI: 10.3892/ijo.2019.4794] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 01/10/2019] [Indexed: 11/06/2022] Open
Abstract
Epithelial ovarian cancer (EOC) is the most lethal of all gynecologic tumors. Cancer spheroid culture is a widely used model to study cancer stem cells. Previous studies have demonstrated the effectiveness of cytokine‑induced killer (CIK) cell‑based therapies against cancer and cancer stem cells. However, it is not clear how EOC spheroid cells respond to CIK‑mediated cellular lysis, and the mechanisms involved have never been reported before. A flow cytometry‑based method was used to evaluate the anti‑cancer effects of CIK cells against adherent A2780 cells and A2780 spheroids. To demonstrate the association between hypoxia inducible factor‑1α (HIF1A) and intercellular adhesion molecule‑1 (ICAM‑1), two HIF1A short hairpin RNA (shRNA) stable transfected cell lines were established. Furthermore, the protein expression levels of hypoxia/HIF1A‑associated signaling pathways were evaluated, including transforming growth factor‑β1 (TGF‑β1)/mothers against decapentaplegic homologs (SMADs) and nuclear factor‑κB (NF‑κB) signaling pathways, comparing A2780 adherent cells and cancer spheroids. Flow cytometry revealed that A2780 spheroid cells were more resistant to CIK‑mediated cellular lysis, which was partially reversed by an anti‑ICAM‑1 antibody. HIF1A was significantly upregulated in A2780 spheroids compared with adherent cells. Using HIF1A shRNA stable transfected cell lines and cobalt chloride, it was revealed that hypoxia/HIF1A contributed to downregulation of ICAM‑1 in A2780 spheroid cells and adherent cells. Furthermore, hypoxia/HIF1A‑associated signaling pathways, TGF‑β1/SMADs and NF‑κB, were activated in A2780 spheroid cells by using western blotting. The findings indicate that EOC stem‑like cells resist the CIK‑mediated cellular lysis via HIF1A‑mediated downregulation of ICAM‑1, which may be instructive for optimizing and enhancing CIK‑based therapies.
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Affiliation(s)
- Shixia Bu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200030, P.R. China
| | - Boning Li
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200030, P.R. China
| | - Qian Wang
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200030, P.R. China
| | - Tingting Gu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200030, P.R. China
| | - Qianggang Dong
- Shanghai iCELL Biotechnology Co., Ltd., Shanghai 200333, P.R. China
| | - Xiaofei Miao
- Shanghai iCELL Biotechnology Co., Ltd., Shanghai 200333, P.R. China
| | - Dongmei Lai
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200030, P.R. China
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23
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Hou Q, Huang Y, Liu Y, Luo Y, Wang B, Deng R, Zhang S, Liu F, Chen D. Profiling the miRNA-mRNA-lncRNA interaction network in MSC osteoblast differentiation induced by (+)-cholesten-3-one. BMC Genomics 2018; 19:783. [PMID: 30373531 PMCID: PMC6206902 DOI: 10.1186/s12864-018-5155-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 10/10/2018] [Indexed: 02/06/2023] Open
Abstract
Background Our previous study showed that (+)-cholesten-3-one (CN) has the potential to induce the osteoblastic differentiation of mesenchymal stem cells (MSCs). However, the roles of CN in targeting miRNA-mRNA-lncRNA interactions to regulate osteoblast differentiation remain poorly understood. Results A total of 77 miRNAs (36 upregulated and 41 downregulated) and 295 lncRNAs (281 upregulated and 14 downregulated) were significantly differentially expressed during CN-induced MSC osteogenic differentiation. Bioinformatic analysis identified that several pathways may play vital roles in MSC osteogenic differentiation, such as the vitamin D receptor signalling, TNF signalling, PI3K-Akt signalling, calcium signalling, and mineral absorption pathways. Further bioinformatic analysis revealed 16 core genes, including 6 mRNAs (Vdr, Mgp, Fabp3, Fst, Cd38, and Col1a1), 5 miRNAs (miR-483, miR-298, miR-361, miR-92b and miR-155) and 5 lncRNAs (NR_046246.1, NR_046239.1, XR_086062.1, XR_145872.1 and XR_146737.1), that may play important roles in regulating the CN-induced osteogenic differentiation of MSCs. Verified by the luciferase reporter, AR-S, qRT-PCR and western blot assays, we identified one miRNA (miR-298) that may enhance the osteogenic differentiation potential of MSCs via the vitamin D receptor signalling pathway. Conclusions This study revealed the global expression profile of miRNAs and lncRNAs involved in the Chinese medicine active ingredient CN-induced osteoblast differentiation of MSCs for the first time and provided a foundation for future investigations of miRNA-mRNA-lncRNA interaction networks to completely illuminate the regulatory role of CN in MSC osteoblast differentiation. Electronic supplementary material The online version of this article (10.1186/s12864-018-5155-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Qiuke Hou
- Department of Anatomy, The Research Centre of Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510000, Guangdong, People's Republic of China.,The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Yongquan Huang
- Department of Orthopaedics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Yamei Liu
- Department of Diagnosis of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Yiwen Luo
- Department of Trauma, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Bin Wang
- Department of Trauma, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Rudong Deng
- Department of Anatomy, The Research Centre of Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Saixia Zhang
- Department of Anatomy, The Research Centre of Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Fengbin Liu
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Dongfeng Chen
- Department of Anatomy, The Research Centre of Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510000, Guangdong, People's Republic of China.
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24
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Di Y, Chen XL. Effects of LY294002 on the function of retinal endothelial cell in vitro. Int J Ophthalmol 2018; 11:1447-1450. [PMID: 30225216 DOI: 10.18240/ijo.2018.09.03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 05/28/2018] [Indexed: 11/23/2022] Open
Abstract
AIM To study the effects of LY294002 [phosphatidylinositol 3-kinase (PI3K) inhibitor] on the function and mechanisms of retinal endothelial cells (RECs) in vitro. METHODS RECs were randomly divided into control group and LY294002 treatment group. RECs in the control group were placed the incubator for hypoxic exposure in vitro. RECs in the LY294002 treatment group were pretreated with LY294002 (40 µmol/L) under hypoxic condition. The expression of matrix metalloproteinase (MMP)-2, MMP-9, vascular endothelial growth factor (VEGF), and apoptosis and proliferation of RECs were evaluated with Western blot, real-time reverse transcription-polymerase chain reaction (RT-PCR), and flow cytometric analysis, correspondently. RESULTS Compared with the control group, treating the RECs with LY294002 was able to remarkably inhibit cell proliferation rates (t1d=2.13, t2d=2.65, t3d=2.36, t4d=2.06, all P<0.05). Flow cytometric analysis indicated that a moderate increase in apoptosis in the LY294002 treatment group compared to the control group (t=2.51, P<0.05). The expression of MMP-2, MMP-9 and VEGF were downregulated in the LY294002 treatment group by Western blot and real-time RT-PCR (all P<0.05). CONCLUSION LY294002 regulates the function of RECs by reducing the expression of MMP-2, MMP-9, and VEGF in vitro. LY294002 may provide an effective method for preventing pathological angiogenesis.
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Affiliation(s)
- Yu Di
- Department of Ophthalmology, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning Province, China
| | - Xiao-Long Chen
- Department of Ophthalmology, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning Province, China
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25
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Di Y, Chen XL. Inhibition of LY294002 in retinal neovascularization via down-regulation the PI3K/AKT-VEGF pathway in vivo and in vitro. Int J Ophthalmol 2018; 11:1284-1289. [PMID: 30140630 DOI: 10.18240/ijo.2018.08.06] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 04/08/2018] [Indexed: 01/01/2023] Open
Abstract
AIM To investigate the effects of the phosphatidylinositol 3-kinase (PI3K) inhibitor LY294002 on retinal neovascularization (RNV) in the oxygen-induced retinopathy (OIR) mouse model and human umbilical vein endothelial cells (HUVECs). METHODS C57BL/6J mice were randomly divided into normoxia-control, OIR-control and LY294002 treatment groups. LY294002 or phosphate-buffered solution was intraperitoneally injected daily into mouse pups from P6 to P9 in LY294002 treatment group or OIR-control group. Morphological and pathological changes in RNV, as well as expression levels of PI3K, serine-threonine kinase (AKT) and vascular endothelial growth factor (VEGF) were observed. HUVECs treating with LY294002 were exposed to hypoxia; the expression of PI3K, AKT and VEGF were examined by Western blot and RT-PCR analyses. RESULTS Compared with the OIR-control group, LY294002 significantly inhibit RNV. Adenosine diphosphatase (ADPase) staining and hematoxylin and eosin staining indicated that the clock hour scores of neovascularization and the nuclei of pre-retinal neovascular cells in the LY294002 treatment group were clearly less than those in the OIR-control group (1.41±0.52 vs 6.20±1.21; 10.50±1.58 vs 22.25±1.82, both P<0.05). Intravitreal injection of LY294002 (in the LY294002 treatment group) markedly decreased PI3K/AKT-VEGF expression compared with the OIR-control group by immunohistochemistry, Western blotting and RT-PCR (all P<0.05). In HUVECs treated with hypoxia, expression of PI3K, AKT and VEGF were downregulated in the hypoxia-LY294002 group (all P<0.05). CONCLUSION The PI3K inhibitor LY294002 can inhibit RNV by downregulating PI3K, AKT, and VEGF expression in vivo and in vitro. LY294002 may provide an effective method for preventing retinopathy of prematurity (ROP).
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Affiliation(s)
- Yu Di
- Department of Ophthalmology, Shengjing Affiliated Hospital, China Medical University, Shenyang 110004, Liaoning Province, China
| | - Xiao-Long Chen
- Department of Ophthalmology, Shengjing Affiliated Hospital, China Medical University, Shenyang 110004, Liaoning Province, China
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26
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Can Stemness and Chemoresistance Be Therapeutically Targeted via Signaling Pathways in Ovarian Cancer? Cancers (Basel) 2018; 10:cancers10080241. [PMID: 30042330 PMCID: PMC6116003 DOI: 10.3390/cancers10080241] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/12/2018] [Accepted: 07/17/2018] [Indexed: 12/12/2022] Open
Abstract
Ovarian cancer is the most lethal gynecological malignancy. Poor overall survival, particularly for patients with high grade serous (HGS) ovarian cancer, is often attributed to late stage at diagnosis and relapse following chemotherapy. HGS ovarian cancer is a heterogenous disease in that few genes are consistently mutated between patients. Additionally, HGS ovarian cancer is characterized by high genomic instability. For these reasons, personalized approaches may be necessary for effective treatment and cure. Understanding the molecular mechanisms that contribute to tumor metastasis and chemoresistance are essential to improve survival rates. One favored model for tumor metastasis and chemoresistance is the cancer stem cell (CSC) model. CSCs are cells with enhanced self-renewal properties that are enriched following chemotherapy. Elimination of this cell population is thought to be a mechanism to increase therapeutic response. Therefore, accurate identification of stem cell populations that are most clinically relevant is necessary. While many CSC identifiers (ALDH, OCT4, CD133, and side population) have been established, it is still not clear which population(s) will be most beneficial to target in patients. Therefore, there is a critical need to characterize CSCs with reliable markers and find their weaknesses that will make the CSCs amenable to therapy. Many signaling pathways are implicated for their roles in CSC initiation and maintenance. Therapeutically targeting pathways needed for CSC initiation or maintenance may be an effective way of treating HGS ovarian cancer patients. In conclusion, the prognosis for HGS ovarian cancer may be improved by combining CSC phenotyping with targeted therapies for pathways involved in CSC maintenance.
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27
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He M, Wang D, Zou D, Wang C, Lopes-Bastos B, Jiang WG, Chester J, Zhou Q, Cai J. Re-purposing of curcumin as an anti-metastatic agent for the treatment of epithelial ovarian cancer: in vitro model using cancer stem cell enriched ovarian cancer spheroids. Oncotarget 2018; 7:86374-86387. [PMID: 27863439 PMCID: PMC5349920 DOI: 10.18632/oncotarget.13413] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 11/08/2016] [Indexed: 01/06/2023] Open
Abstract
Malignant epithelial ovarian cancer (EOC) spheroids high frequently are detected in the malignant ascites of the patients with the extensive peritoneal metastasis of ovarian cancer, which represent a significant obstacle to efficacious treatment. Clinical data also suggested that EOC spheroids play a putative role in the development of chemoresistance. Since standard surgery and conventional chemotherapy is the only available treatment, there is an urgent need to identify a more effective therapeutic strategy. Recent studies demonstrated that curcumin exerts an anticancer effect in a variety of human cancers including ovarian cancer. This study evaluates anti-peritoneal metastasis and chemoresistance of curcumin related to the EOC spheroids. In this study, we confirm that the high invasive EOC cells forming the spheroids express a high level of a cancer stem cell (CSC) marker, aldehyde dehydrogenase 1 family member A1 (ALDH1A1), which was significantly down-regulated by curcumin treatment. Curcumin treatment markedly enhances the sensitivity of EOC spheroids to cisplatin in a dose-dependent manner. Our experiments provided evidence that curcumin could abolish the sphere-forming capacity of EOC cells in a dose-dependent manner. Moreover, curcumin substantially suppressed the growth of the pre-existed EOC spheroids, inhibited the adhesion of EOC spheroids to ECM as well as the invasion of EOC spheroids to the mesothelial monolayers. We propose to re-purpose curcumin as anti-metastatic and chemoresistant agent for EOC management in combination with conventional regimen. Further preclinical studies are necessary to validate the anti-cancer effect of curcumin in patients with EOC.
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Affiliation(s)
- Misi He
- Cardiff China Medical Research Collaborative, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK.,Department of Gynaecologic Oncology, Chongqing Cancer Institute, Chongqing, 400030, China
| | - Dong Wang
- Department of Gynaecologic Oncology, Chongqing Cancer Institute, Chongqing, 400030, China
| | - Dongling Zou
- Department of Gynaecologic Oncology, Chongqing Cancer Institute, Chongqing, 400030, China
| | - Chen Wang
- Department of Orthopaedic surgery, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, 400021, China
| | - Bruno Lopes-Bastos
- Cardiff China Medical Research Collaborative, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK
| | - Wen G Jiang
- Cardiff China Medical Research Collaborative, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK
| | - John Chester
- Institute of Cancer and Genetics, School of Medicine, Cardiff University, Cardiff, Cardiff CF14 4XN, UK
| | - Qi Zhou
- Department of Gynaecologic Oncology, Chongqing Cancer Institute, Chongqing, 400030, China
| | - Jun Cai
- Cardiff China Medical Research Collaborative, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK
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28
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Bai X, Zhou Y, Chen P, Yang M, Xu J. MicroRNA-142-5p induces cancer stem cell-like properties of cutaneous squamous cell carcinoma via inhibiting PTEN. J Cell Biochem 2017; 119:2179-2188. [PMID: 28857248 DOI: 10.1002/jcb.26379] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 08/24/2017] [Indexed: 12/18/2022]
Abstract
Cutaneous squamous cell carcinoma (cSCC) is a malignancy of keratinocyte-derived skin tumor, which is regarded as the second most common skin cancer worldwide. Accumulating evidence has established that microRNAs (miRNAs) can play a critical role in tumor initiation, progression, and metastasis including cSCC. Abnormal expression of hsa-miR-142-5p has been elaborated in various tumors. Nevertheless, its expression and function in the development of cSCC remain unclear. In our study, we found that the expression of hsa-miR-142-5p in cSCC cells were greatly overexpressed compared to human benign epidermal keratinocyte cells. Moreover, inhibited hsa-miR-142-5p can repress cSCC cell growth and induce apoptosis while upregulated hsa-miR-142-5p exhibited a reverse phenomenon. Recently, cancer stem cells (CSCs) which possess the ability of self-renewal and proliferation and are able to produce cancer cells have been widely reported. However, the correlation between hsa-miR-142-5p and CSCs in cSCC is still unknown. Interestingly, we observed that overexpressing hsa-miR-142-5p can induce CSC-like properties in cSCC via activating Wnt signaling. In addition, the luciferase reporter assay data and bioinformatics analysis demonstrated that hsa-miR-142-5p can target the 3'UTR of PTEN mRNA. Taken these together, we draw a conclusion that hsa-miR-142-5p can trigger cancer stem cell-like properties of cSCC through inhibition of PTEN. Our findings may provide hsa-miR-142-5p as a new therapeutic target for cSCC.
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Affiliation(s)
- Xinping Bai
- Department of Plastic Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Zhou
- Department of Dermatology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ping Chen
- Department of Plastic Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ming Yang
- Department of Plastic Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiang Xu
- Department of Rehabilitation, Huai'an Second People's Hospital, The Affiliated Hospital of Xuzhou Medical University, Huai'an, China
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Andrade GM, da Silveira JC, Perrini C, Del Collado M, Gebremedhn S, Tesfaye D, Meirelles FV, Perecin F. The role of the PI3K-Akt signaling pathway in the developmental competence of bovine oocytes. PLoS One 2017; 12:e0185045. [PMID: 28922408 PMCID: PMC5602670 DOI: 10.1371/journal.pone.0185045] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 09/04/2017] [Indexed: 01/15/2023] Open
Abstract
The ovarian follicle encloses oocytes in a microenvironment throughout their growth and acquisition of competence. Evidence suggests a dynamic interplay among follicular cells and oocytes, since they are constantly exchanging “messages”. We dissected bovine ovarian follicles and recovered follicular cells (FCs—granulosa and cumulus cells) and cumulus-oocyte complexes (COCs) to investigate whether the PI3K-Akt signaling pathway impacted oocyte quality. Following follicle rupture, COCs were individually selected for in vitro cultures to track the follicular cells based on oocyte competence to reach the blastocyst stage after parthenogenetic activation. Levels of PI3K-Akt signaling pathway components in FCs correlated with oocyte competence. This pathway is upregulated in FCs from follicles with high-quality oocytes that are able to reach the blastocyst stage, as indicated by decreased levels of PTEN and increased levels of the PTEN regulators bta-miR-494 and bta-miR-20a. Using PI3K-Akt responsive genes, we showed decreased FOXO3a levels and BAX levels in lower quality groups, indicating changes in cell cycle progression, oxidative response and apoptosis. Based on these results, the measurement of levels of PI3K-Akt pathway components in FCs from ovarian follicles carrying oocytes with distinct developmental competences is a useful tool to identify putative molecular pathways involved in the acquisition of oocyte competence.
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Affiliation(s)
- Gabriella Mamede Andrade
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, São Paulo, Brazil
| | - Juliano Coelho da Silveira
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, São Paulo, Brazil
| | - Claudia Perrini
- Large Animal Hospital, Reproduction Unit, Università degli Studi di Milano, Lodi, Italy
| | - Maite Del Collado
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, São Paulo, Brazil
| | - Samuel Gebremedhn
- Institute for Animal Sciences (ITW), University of Bonn, Bonn, Germany
| | - Dawit Tesfaye
- Institute for Animal Sciences (ITW), University of Bonn, Bonn, Germany
| | - Flávio Vieira Meirelles
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, São Paulo, Brazil
| | - Felipe Perecin
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Pirassununga, São Paulo, Brazil
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30
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Yu X, Zheng H, Chan MTV, Wu WKK. MicroRNAs: new players in cataract. Am J Transl Res 2017; 9:3896-3903. [PMID: 28979668 PMCID: PMC5622237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 02/15/2016] [Indexed: 06/07/2023]
Abstract
Cataract is the most common cause of blindness worldwide. Multiple factors such as aging, eye injury, diabetes mellitus, ultraviolet exposure, drug use and other ocular diseases are etiologically linked to cataractogenesis. Due to a rapid increase in aging population, age-related cataract has become the leading cause of blindness. Therefore, it is urgent to understand the molecular mechanism underlying cataractogenesis. MicroRNAs (miRNAs) are a group of endogenous, small noncoding RNAs that regulate gene expression at the post-translational level through binding with the 3'-untranslated regions of target mRNAs. Studies have shown that miRNAs play important roles in multiple cellular functions, including apoptosis, cell proliferation, senescence and stress response. Deregulated expression of miRNAs is also linked to the pathogenesis of many diseases, including ocular diseases. In our review, we focus on miRNAs that are involved in cataract development and discuss their potential applications as novel diagnostic markers and therapeutic targets.
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Affiliation(s)
- Xin Yu
- Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100042, China
| | - Heyi Zheng
- Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100042, China
| | - Matthew TV Chan
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong KongHong Kong, China
| | - William Ka Kei Wu
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong KongHong Kong, China
- State Key Laboratory of Digestive Disease, LKS Institute of Health Sciences, The Chinese University of Hong KongHong Kong, China
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Yu X, Zheng H, Chan MTV, Wu WKK. Modulation of chemoresponsiveness to platinum-based agents by microRNAs in cancer. Am J Cancer Res 2017; 7:1769-1778. [PMID: 28979802 PMCID: PMC5622214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 01/12/2016] [Indexed: 06/07/2023] Open
Abstract
Ovarian cancer accounts for the highest mortality among all gynecologic cancers. Cytoreductive surgery followed by chemotherapy with a platinum-based agent (cisplatin or carboplatin) plus paclitaxel is the first-line option for treatment of epithelial ovarian cancer. However, primary or acquired resistance to platinum-based agents is a major clinical challenge. MicroRNAs are a group of small non-coding RNAs that regulate gene expression post-transcriptionally and may function as oncogenes or tumor-suppressor genes through extensive crosstalk with intracellular signaling pathways. Importantly, their dysregulation has been implicated in ovarian tumorigenesis. Pertinent to chemotherapy, increasing evidence has revealed that miRNAs can be directly linked to chemosensitivity to platinum-based agents in ovarian cancer. In this review, we summarize current evidence concerning the role of miRNAs in prediction and modulation of cellular responses to cisplatin and carboplatin in ovarian cancer.
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Affiliation(s)
- Xin Yu
- Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing, 100042, China
| | - Heyi Zheng
- Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing, 100042, China
| | - Matthew TV Chan
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong KongHong Kong
| | - William KK Wu
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong KongHong Kong
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32
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Flores CP, García-Vázquez R, Rincón DG, Ruiz-García E, De La Vega HA, Marchat LA, Salinas Vera YM, López-Camarillo C. MicroRNAs driving invasion and metastasis in ovarian cancer: Opportunities for translational medicine (Review). Int J Oncol 2017; 50:1461-1476. [DOI: 10.3892/ijo.2017.3948] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 02/15/2017] [Indexed: 11/06/2022] Open
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Pogge von Strandmann E, Reinartz S, Wager U, Müller R. Tumor-Host Cell Interactions in Ovarian Cancer: Pathways to Therapy Failure. Trends Cancer 2017; 3:137-148. [PMID: 28718444 DOI: 10.1016/j.trecan.2016.12.005] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 12/16/2016] [Accepted: 12/19/2016] [Indexed: 01/06/2023]
Abstract
Although most ovarian cancer patients are highly responsive to chemotherapy, they frequently present with recurrent metastatic lesions that result in poor overall survival, a situation that has not changed in the last 20 years. This review discusses new insights into the regulation of ovarian cancer chemoresistance with a focus on the emerging role of immune and other host cells. Here, we summarize the complex molecular pathways that regulate the interaction between tumor and host cells, discuss the limitations of current in vitro and in vivo models for translational studies, and present perspectives for the development of innovative therapies.
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Affiliation(s)
- Elke Pogge von Strandmann
- Experimental Tumor Research, Clinic for Hematology, Oncology and Immunology, Center for Tumor Biology and Immunology (ZTI), Philipps University, Hans-Meerwein-Strasse 3, 35043 Marburg, Germany
| | - Silke Reinartz
- Clinic for Gynecology, Gynecological Oncology and Gynecological Endocrinology, Center for Tumor Biology and Immunology (ZTI), Philipps University, Hans-Meerwein-Strasse 3, 35043 Marburg, Germany
| | - Uwe Wager
- Clinic for Gynecology, Gynecological Oncology and Gynecological Endocrinology, University Hospital of Giessen and Marburg (UKGM), Baldingerstrasse, 35032 Marburg, Germany
| | - Rolf Müller
- Institute of Molecular Biology and Tumor Research, Center for Tumor Biology and Immunology (ZTI), Philipps University, Hans-Meerwein-Strasse 3, 35043 Marburg, Germany.
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34
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Li Z, Shen J, Chan MTV, Wu WKK. MicroRNA-379 suppresses osteosarcoma progression by targeting PDK1. J Cell Mol Med 2016; 21:315-323. [PMID: 27781416 PMCID: PMC5264134 DOI: 10.1111/jcmm.12966] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 08/04/2016] [Indexed: 12/12/2022] Open
Abstract
Osteosarcoma is the most common primary bone tumour. Increasing evidence has demonstrated the pathogenic role of microRNA (miRNAs) dysregulation in tumour development. miR-379 was previously reported to function as an oncogenic or tumour-suppressing miRNA in a tissue-dependent manner. However, its function in osteosarcoma remains unknown. In this study, we found that the expression of miR-379 was downregulated in osteosarcoma tissues and cell lines. Further functional characterization revealed that miR-379 suppressed osteosarcoma cell proliferation and invasion in vitro and retarded the growth of osteosarcoma xenografts in vivo. Mechanistically, PDK1 was identified as the direct target of miR-379 in osteosarcoma, in which PDK1 expression was up-regulated and showed inverse correlation with miR-379. Enforced expression of PDK1 promoted osteosarcoma cell proliferation and rescued the anti-proliferative effect of miR-379. These data suggest that miR-379 could function as a tumour-suppressing miRNA via targeting PDK1 in osteosarcoma.
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Affiliation(s)
- Zheng Li
- Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jianxiong Shen
- Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Matthew T V Chan
- Department of Anaesthesia and Intensive Care, State Key Laboratory of Digestive Disease, LKS Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - William Ka Kei Wu
- Department of Anaesthesia and Intensive Care, State Key Laboratory of Digestive Disease, LKS Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
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35
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Ge W, Han C, Wang J, Zhang Y. MiR-300 suppresses laryngeal squamous cell carcinoma proliferation and metastasis by targeting ROS1. Am J Transl Res 2016; 8:3903-3911. [PMID: 27725869 PMCID: PMC5040687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Accepted: 01/18/2016] [Indexed: 06/06/2023]
Abstract
Laryngeal squamous cell carcinoma (LSCC) is a common aggressive head and neck cancer with high mortality and incidence. MicroRNAs (miRNAs) are short, non-coding and endogenous RNAs that posttranscriptionally inhibit gene expression. In this study, we showed that miR-300 expression was downregulated in LSCC tissues compared with adjacent no-tumor tissues. MiR-300 overexpression inhibited Hep-2 cell proliferation, as well as the expression of ki-67 and PCNA. Moreover, overexpression of miR-300 repressed the cell invasion in Hep-2 cells. We identified c-ros oncogene 1 receptor tyrosine kinase (ROS1) as a direct target gene of miR-300 in Hep-2 cell. Furthermore, ROS1 expression was upregulated in LSCC tissues compared with adjacent no-tumor tissues. Interesting, there were an inverse correlation between ROS1 and miR-300 expression in the LSCC tissues. Overexpression of ROS1 increased the Hep-2 cells proliferation and invasion. Overexpression of ROS1 abrogated miR-300 induced cell growth and invasion inhibition. Therefore, our data suggested that miR-300 acted as a tumor suppressive gene in LSCC.
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Affiliation(s)
- Wensheng Ge
- Department of Otolaryngology, Liaocheng People’s Hospital and EENT HospitalLiaocheng 252000, Shandong, China
| | - Chaodong Han
- Department of Otolaryngology, Liaocheng People’s Hospital and EENT HospitalLiaocheng 252000, Shandong, China
| | - Jing Wang
- Department of Otolaryngology, Liaocheng People’s Hospital and EENT HospitalLiaocheng 252000, Shandong, China
| | - Yunping Zhang
- Department of Dermatology, Liaocheng People’s Hospital and EENT HospitalLiaocheng 252000, Shandong, China
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Li Z, Shen J, Chan MTV, Wu WKK. The role of microRNAs in intrahepatic cholangiocarcinoma. J Cell Mol Med 2016; 21:177-184. [PMID: 27619971 PMCID: PMC5192883 DOI: 10.1111/jcmm.12951] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Accepted: 07/14/2016] [Indexed: 12/14/2022] Open
Abstract
Intrahepatic cholangiocarcinoma (ICC) is the second most common primary hepatic malignancy with poor prognosis. Despite improvements in its diagnosis and therapy, the prognosis for ICC patients remains poor. An improved understanding of ICC pathogenesis and consequential identification of novel therapeutic targets would improve the prognosis of ICC patients. MicroRNAs (miRNAs) are a class of highly conserved, endogenous, small non‐coding RNA molecules of 18–23 nucleotides in length, which regulate gene expression through complementary base‐pairing with target messenger RNAs and subsequent gene silencing. Several studies have shown deregulated expression of miRNAs in ICC cell lines and tissues, in which these miRNAs play important roles in ICC apoptosis, cell proliferation, invasion, migration and metastasis. In this review, we illustrate the potential role of miRNA in the pathogenesis of ICC and explore the possibilities of using miRNAs as prognostic and diagnostic markers, as well as therapeutic targets in ICC.
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Affiliation(s)
- Zheng Li
- Department of Orthopedics Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jianxiong Shen
- Department of Orthopedics Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Matthew T V Chan
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, China
| | - William Ka Kei Wu
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, China.,State Key Laboratory of Digestive Daase, LKS Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
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37
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Li S, Zhao W, Xu Q, Yu Y, Yin C. MicroRNA-765 regulates neural stem cell proliferation and differentiation by modulating Hes1 expression. Am J Transl Res 2016; 8:3115-3123. [PMID: 27508032 PMCID: PMC4969448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 01/23/2016] [Indexed: 06/06/2023]
Abstract
Neural stem cells (NSCs) are multipotent, self-renewing and undifferentiated cells that have the ability to differentiate to both glial and neuronal lineages. miRNAs act a key role in regulating neuronal fate and self-renewal of NSCs. In this study, we found that ectopic expression of miR-765 promoted NSCs proliferation. Moreover, miR-765 overexpression increased the ki-67 and β-tubulin-III expression inNSCs. Overexpression of miR-765 inhibited the expression of GFAP in NSCs. Furthermore, Hes1 was identified as a direct target gene of miR-765 in NSCs. Overexpression of Hes1 decreased miR-765-induced proliferation of NSCs and inhibited NSCs differentiation to neurons in miR-765-treated NSCs. These results demonstrated that miR-765 acted a crucial role in NSCs differentiation and proliferation by inhibiting Hes1 expression.
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Affiliation(s)
- Siou Li
- Department of Neurology, Hongqi Hospital, Mudanjiang Medical University Aimin District, Mudanjiang, Heilongjiang, China 157011
| | - Weina Zhao
- Department of Neurology, Hongqi Hospital, Mudanjiang Medical University Aimin District, Mudanjiang, Heilongjiang, China 157011
| | - Qing Xu
- Department of Neurology, Hongqi Hospital, Mudanjiang Medical University Aimin District, Mudanjiang, Heilongjiang, China 157011
| | - Yang Yu
- Department of Neurology, Hongqi Hospital, Mudanjiang Medical University Aimin District, Mudanjiang, Heilongjiang, China 157011
| | - Changhao Yin
- Department of Neurology, Hongqi Hospital, Mudanjiang Medical University Aimin District, Mudanjiang, Heilongjiang, China 157011
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miR-200c: a versatile watchdog in cancer progression, EMT, and drug resistance. J Mol Med (Berl) 2016; 94:629-44. [PMID: 27094812 DOI: 10.1007/s00109-016-1420-5] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Revised: 04/05/2016] [Accepted: 04/11/2016] [Indexed: 12/17/2022]
Abstract
MicroRNAs (miRNAs) are 20-22-nucleotide small endogenous non-coding RNAs which regulate gene expression at post-transcriptional level. In the last two decades, identification of almost 2600 miRNAs in human and their potential to be modulated opened a new avenue to target almost all hallmarks of cancer. miRNAs have been classified as tumor suppressors or oncogenes depending on the phenotype they induce, the targets they modulate, and the tissue where they function. miR-200c, an illustrious tumor suppressor, is one of the highly studied miRNAs in terms of development, stemness, proliferation, epithelial-mesenchymal transition (EMT), therapy resistance, and metastasis. In this review, we first focus on the regulation of miR-200c expression and its role in regulating EMT in a ZEB1/E-cadherin axis-dependent and ZEB1/E-cadherin axis-independent manner. We then describe the role of miR-200c in therapy resistance in terms of multidrug resistance, chemoresistance, targeted therapy resistance, and radiotherapy resistance in various cancer types. We highlight the importance of miR-200c at the intersection of EMT and chemoresistance. Furthermore, we show how miR-200c coordinates several important signaling cascades such as TGF-β signaling, PI3K/Akt signaling, Notch signaling, VEGF signaling, and NF-κB signaling. Finally, we discuss miR-200c as a potential prognostic/diagnostic biomarker in several diseases, but mainly focusing on cancer and its potential application in future therapeutics.
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Abstract
Ankylosing spondylitis (AS) is a common and genetically heterozygous inflammatory rheumatic disease characterized by new bone formation, ankylosis and inflammation of hip, sacroiliac joints and spine. Until now, there is no method for early diagnosis of AS and the effective treatment available for AS patients remain largely undefined.We searched articles indexed in PubMed (MEDLINE) database using Medical Subject Heading (MeSH) or Title/Abstract words ("microRNA" and "ankylosing spondylitis") from inception up to November 2015.Genetic polymorphisms of miRNAs and their targets might alter the risk of AS development whereas certain miRNAs exhibit correlation with inflammatory index.Let-7i and miR-124 were upregulated whereas miR-130a was downregulated in circulating immune cells of AS patients. These deregulated miRNAs could modulate key immune cell functions, such as cytokine response and T-cell survival.miRNA deregulation is key to AS pathogenesis. However, clinical utilization of miRNAs for management of AS patients requires further support from future translational studies.
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Affiliation(s)
- Zheng Li
- From the Department of Orthopedics Surgery Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College (ZL, JS); State Key Laboratory of Digestive Disease, LKS Institute of Health Sciences and Department of Medicine & Therapeutics (SHW, WKKW); and Department of Anaesthesia and Intensive Care (MTVC), The Chinese University of Hong Kong, Hong Kong, China
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40
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Virant-Klun I, Kenda-Suster N, Smrkolj S. Small putative NANOG, SOX2, and SSEA-4-positive stem cells resembling very small embryonic-like stem cells in sections of ovarian tissue in patients with ovarian cancer. J Ovarian Res 2016; 9:12. [PMID: 26940129 PMCID: PMC4778328 DOI: 10.1186/s13048-016-0221-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Accepted: 02/22/2016] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND In previous studies it has been found that in cell cultures of human adult ovaries there is a population of small stem cells with diameters of 2-4 μm, which are present mainly in the ovarian surface epithelium and are comparable to very small embryonic-like stem cells (VSELs) from bone marrow. These cells are not observed by histopathologists in the ovarian tissue due to their small size and unknown clinical significance. Because these cells express a degree of pluripotency, they might be involved in the manifestation of ovarian cancer. Therefore we studied the ovarian tissue sections in women with borderline ovarian cancer and serous ovarian carcinoma to perhaps identify the small putative stem cells in situ. METHODS In 27 women with borderline ovarian cancer and 20 women with high-grade serous ovarian carcinoma the ovarian tissue sections were stained, per standard practice, with eosin and hematoxylin staining and on NANOG, SSEA-4 and SOX2 markers, related to pluripotency, using immunohistochemistry. We focused on the presence and localization of small putative stem cells with diameters of up to 5 μm and with the nuclei spread over nearly the full cell volume. RESULTS In ovarian sections of both borderline ovarian cancer and serous ovarian carcinoma patients we were able to identify the presence of small round cells complying with the above criteria. Some of these small cells were NANOG-positive, were located among epithelial cells in the ovarian surface epithelium and as a single cell or groups of cells/clusters in typical "chambers", were found only in the presence of ovarian cancer and not in healthy ovaries and are comparable to those in fetal ovaries. We envision that these small cells could be related to NANOG-positive tumor-like structures and oocyte-like cells in similar "chambers" found in sections of cancerous ovaries, which could support their stemness and pluripotency. Further immunohistochemistry revealed a similar population of SSEA-4 and SOX2-positive cells. CONCLUSIONS We may conclude that putative small stem cells expressing markers, related to pluripotency, are present in the ovarian tissue sections of women with borderline ovarian cancer and high-grade serous ovarian carcinoma thus indicating their potential involvement in ovarian cancer.
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Affiliation(s)
- Irma Virant-Klun
- Department of Obstetrics and Gynaecology, University Medical Centre Ljubljana, Slajmerjeva 3, 1000, Ljubljana, Slovenia.
| | - Natasa Kenda-Suster
- Department of Obstetrics and Gynaecology, University Medical Centre Ljubljana, Slajmerjeva 3, 1000, Ljubljana, Slovenia.
| | - Spela Smrkolj
- Department of Obstetrics and Gynaecology, University Medical Centre Ljubljana, Slajmerjeva 3, 1000, Ljubljana, Slovenia.
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41
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Chen Y, Wang S, Bu S, Xu M, Lai D. Low-dose cisplatin-induced CXCR4 expression promotes proliferation of ovarian cancer stem-like cells. Acta Biochim Biophys Sin (Shanghai) 2016; 48:282-9. [PMID: 26819076 DOI: 10.1093/abbs/gmv132] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Accepted: 11/12/2015] [Indexed: 01/06/2023] Open
Abstract
Chemoresistance blocks the efficient treatment of epithelial ovarian cancer, which is the most lethal of all gynecological cancers. Cancer stem cells are believed to be at least partially responsible for the development of chemoresistance. In this study, the effect of cisplatin (CDP) on the enrichment and proliferation of cancer stem-like cells (CSLCs) was investigated, and the underlying mechanisms of action were elucidated. An in vitro anchor-free system was employed to enrich CSLCs from the SKOV3 human epithelial ovarian cancer cell line. Our results showed that treatment with low concentrations of CDP resulted in better-enriched CSLCs, with higher proliferative activities. Low dose of CDP was found to induce the expression of chemokine (C-X-C motif) receptor 4 (CXCR4), which is an important stemness marker in cancer stem cells as well as a promising therapeutic target for ovarian cancer treatment. Results also showed that overexpressed CXCR4 generated chemoresistance. Based on these results, it may be concluded that, at low concentrations, CDP itself contributes to the development of drug resistance. This finding provides novel insight into the mechanisms underlying chemoresistance and has significant therapeutic implications for epithelial ovarian cancer treatment.
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Affiliation(s)
- Yifei Chen
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200030, China
| | - Shuying Wang
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200030, China
| | - Shixia Bu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200030, China
| | - Minhua Xu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200030, China
| | - Dongmei Lai
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200030, China
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42
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Combination of 5-fluorouracil and 2-morphilino-8-phenyl-4H-chromen-4-one may inhibit liver cancer stem cell activity. Tumour Biol 2016; 37:10943-58. [PMID: 26886287 DOI: 10.1007/s13277-016-4915-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Accepted: 01/25/2016] [Indexed: 01/27/2023] Open
Abstract
This work aims to evaluate the impact of 2-morpholino-8-phenyl-4H-chromen-4-one (LY294002) combined 5-fluorouracil (5-FU) for the activity of CD90+ liver cancer cells derived from the human liver cancer cell line MHCC97H. MHCC97H sphere-forming cells (MSFCs) were amplified in serum-free medium and CD90+ cells were isolated from bulk MSFCs using flow cytometry. The phenotype of these CD90+ cells which show liver cancer stem cells (LCSCs) behavior was validated in vitro and in a xenograft model in nude mice. MSFCs, CD90+ liver cancer cells (CD90+ LCCs), and parental MHCC97H cells were treated with no drug, LY294002 alone, 5-FU alone, or both drugs together and then compared in terms of stem cell-related gene expression, proliferation, and invasion. Stem cell phenotype increased with increasing proportion of CD90+ cells, in ascending order: parental MHCC97H cells, MSFCs, and CD90+ liver cancer cells. LY294002 reduced the expression of CD90, Nanog, SALL4, and SHP2 in a concentration-dependent manner in CD90+ LCCs and MSFCs, but not in parental cells. LY294002 blocked AKT phosphorylation via the PI3K/AKT signaling pathway and inhibited CD90+ LCCs proliferation and tumorigenicity in vitro and in vivo. CD90+ liver cancer cells can express liver cancer stem cell phenotype. LY294002 inhibits the proliferation and invasion of MHCC97H-derived CD90+ LCCs and sensitized CD90+ LCCs-derived tumors to 5-FU in the current study which may provide insight into the association between the LY294002 combined 5-FU and liver cancer stem cell (LCSCs).
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43
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miR-421 is a diagnostic and prognostic marker in patients with osteosarcoma. Tumour Biol 2016; 37:9001-7. [DOI: 10.1007/s13277-015-4578-5] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 12/02/2015] [Indexed: 12/23/2022] Open
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44
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Fu X, Cui Y, Yang S, Xu Y, Zhang Z. MicroRNA-613 inhibited ovarian cancer cell proliferation and invasion by regulating KRAS. Tumour Biol 2015; 37:6477-83. [PMID: 26631045 DOI: 10.1007/s13277-015-4507-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 11/24/2015] [Indexed: 02/07/2023] Open
Abstract
MicroRNAs (miRNAs) play several important roles in carcinogenesis, and the dysregulation of miRNAs is associated with cancer progression. Little is known about the role of miR-613 in ovarian cancer. In the present study, we demonstrate that miR-613 expression is downregulated in human ovarian cancer cell lines and tissues. Additionally, miR-613 overexpression suppressed ovarian cancer cell proliferation, colony formation, and invasion. Furthermore, KRAS was identified as a target of miR-613. Reintroducing KRAS rescued the inhibitory effects exerted by miR-613 on ovarian cancer cell proliferation and invasion. Taken together, our findings suggest that miR-613 functions as a candidate tumor suppressor miRNA in ovarian cancer by directly targeting KRAS. To the best of our knowledge, this is the first study to show that miR-613 affects the proliferation and invasion of ovarian cancer.
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Affiliation(s)
- Xin Fu
- Department of Gynecology Cancer, National Clinical Research Center for Cancer, Tianjin Key Laboratory of Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, China.
| | - Yanfen Cui
- Department of Gynecology Cancer, National Clinical Research Center for Cancer, Tianjin Key Laboratory of Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, China
| | - Shaobin Yang
- Department of Gynecology Cancer, National Clinical Research Center for Cancer, Tianjin Key Laboratory of Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, China
| | - Yue Xu
- Department of Gynecology Cancer, National Clinical Research Center for Cancer, Tianjin Key Laboratory of Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, China
| | - Zicheng Zhang
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Jinan, Shandong, China.
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45
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Huang X, Huang M, Kong L, Li Y. miR-372 suppresses tumour proliferation and invasion by targeting IGF2BP1 in renal cell carcinoma. Cell Prolif 2015; 48:593-9. [PMID: 26332146 DOI: 10.1111/cpr.12207] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Accepted: 06/24/2015] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES MicroRNAs (miRNAs) are endogenous small non-coding RNAs that regulate proteins and mRNAs for degradation or translational suppression. Up to now, the role of miR-372 in renal cell carcinoma has remained unknown; in this study, we have aimed to reveal its functional importance in this tumour. MATERIALS AND METHODS qRT-PCR was performed to measure expression levels of miR-372 in renal cell carcinoma cell lines and tissues. CCK-8 and an invasion assay were performed to measure its functional role. Luciferase assays, qRT-PCR and western blotting were performed to discover miR-372's target gene. RESULTS We demonstrated that miRNA-372 was down-regulated in renal cell carcinoma cell lines and tissue specimens; its over-expression inhibited cell proliferation and invasion. Moreover, we showed that miRNA-372 repressed insulin-like growth factor 2 mRNA-binding protein 1 (IGF2BP1) expression by directly interacting with its putative binding site at the 3'-UTR. Furthermore, ectopic expression of IGF2BP1 significantly reversed suppression of cell proliferation and invasion caused by miR-372 over-expression. CONCLUSIONS Our data indicated that miR-372 seemed to function as a tumour suppressor in renal cell carcinoma progression by inhibiting the IGF2BP1 expression.
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Affiliation(s)
- Xuan Huang
- The Institute of Translational Medicine, Nanchang University, Jiangxi, 330031, China
| | - Mingjie Huang
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, China
| | - Lingbao Kong
- College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, China
| | - Yong Li
- The Institute of Translational Medicine, Nanchang University, Jiangxi, 330031, China
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Gao Y, Xue Q, Wang D, Du M, Zhang Y, Gao S. miR-873 induces lung adenocarcinoma cell proliferation and migration by targeting SRCIN1. Am J Transl Res 2015; 7:2519-2526. [PMID: 26807196 PMCID: PMC4697728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 11/04/2015] [Indexed: 06/05/2023]
Abstract
microRNAs (miRNAs) are endogenously expressed, conserved and small noncoding RNA that regulate gene expression by the post-transcriptional level. In this study, we aim to examine the role of miR-873 in lung adenocarcinoma. We found that the expression of miR-873 was upregulated in four lung adenocarcinoma cell lines and tissues. In addition, the expression levels of SRCIN1 were inversely correlated with the expression levels of miR-873 in lung adenocarcinoma tissues. Furthermore, SRCIN1 was confirmed asthe direct target of miR-873 by luciferase reporter assay and Western blotting. Overexpression of miR-873 promoted the proliferation and migration of lung adenocarcinoma cells, while SRCIN1 upregulation inhibited their proliferation and migration. Restoration of SRCIN1 could significantly reverse the proliferation and migration promotion imposed by miR-873. In summary, this study reveals for the first time that miR-873 increase the lung adenocarcinoma cell proliferation and migration through directly inhibiting SRCIN1 expression.
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Affiliation(s)
- Yushun Gao
- Department of Thoracic Surgical Oncology, Cancer Institute (Hospital), Chinese Academy of Medical Sciences, Peking Union Medical College Beijing 100021, China
| | - Qi Xue
- Department of Thoracic Surgical Oncology, Cancer Institute (Hospital), Chinese Academy of Medical Sciences, Peking Union Medical College Beijing 100021, China
| | - Dali Wang
- Department of Thoracic Surgical Oncology, Cancer Institute (Hospital), Chinese Academy of Medical Sciences, Peking Union Medical College Beijing 100021, China
| | - Minjun Du
- Department of Thoracic Surgical Oncology, Cancer Institute (Hospital), Chinese Academy of Medical Sciences, Peking Union Medical College Beijing 100021, China
| | - Yanjiao Zhang
- Department of Thoracic Surgical Oncology, Cancer Institute (Hospital), Chinese Academy of Medical Sciences, Peking Union Medical College Beijing 100021, China
| | - Shugeng Gao
- Department of Thoracic Surgical Oncology, Cancer Institute (Hospital), Chinese Academy of Medical Sciences, Peking Union Medical College Beijing 100021, China
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47
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Shi C, Zhang Z. miR-761 inhibits tumor progression by targeting MSI1 in ovarian carcinoma. Tumour Biol 2015; 37:5437-43. [PMID: 26563371 DOI: 10.1007/s13277-015-4377-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Accepted: 11/03/2015] [Indexed: 12/22/2022] Open
Abstract
Increasing evidences have revealed that microRNAs regulate various biological processes. However, the roles of miR-761 have not been investigated in ovarian cancer. Here, we found that miR-761 expression was significantly lower in ovarian cancer tissues than in their paired noncancerous tissues. Further study revealed that miR-761 overexpression inhibited the ovarian cancer cell proliferation and invasion. Mechanistically, we demonstrated that the oncogenic properties of miR-761 in ovarian cancer were mediated in part by regulating MSI1 expression. miR-761 and MSI1 are inversely expressed in ovarian cancer tissues. In conclusion, we demonstrated that miR-761 repressed ovarian cancer proliferation and invasion by targeting MSI1.
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Affiliation(s)
- Can Shi
- Department of Obstetrics and Gynecology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Zhenyu Zhang
- Department of Obstetrics and Gynecology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China.
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48
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Zhang J, Wang W, Qian L, Zhang Q, Lai D, Qi C. Ursolic acid inhibits the proliferation of human ovarian cancer stem-like cells through epithelial-mesenchymal transition. Oncol Rep 2015; 34:2375-84. [PMID: 26323892 DOI: 10.3892/or.2015.4213] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 06/26/2015] [Indexed: 11/06/2022] Open
Abstract
Ovarian cancer is the most frequent cause of cancer-related death among all gynecological cancers. Increasing evidence suggests that human ovarian cancer stem-like cells could be enriched under serum-free culture conditions. In the present study, SKOV3 ovarian epithelial cancer cells were cultured for sphere cells. Ursolic acid (UA) with triterpenoid compounds exist widely in food, medicinal herbs and other plants. Evidence shows that UA has anticancer activities in human ovarian cancer cells, but he role of UA in ovarian cancer stem cells (CSCs) remains unknown. The aim of the present study was to investigate the anticancer effects of UA in combination with cisplatin in ovarian CSCs (in vitro and in vivo), along with the molecular mechanism of action. Treatment with UA at various concentrations was examined in combination with cisplatin in human ovarian CSCs. MTT assay and flow cytometry were used for cell viability and apoptosis analysis, and qRT-PCR for stem cell markers and epithelial-mesenchymal transition (EMT) markers for mRNA expression. Transwell assay was employed to observe the migration and invasion of SKOV3 cells and SKOV3 sphere cells after treatment. Moreover, athymic BALB/c-nu nude mice were injected with SKOV3 sphere cells to obtain a xenograft model for in vivo studies. The results showed that CSCs possessed mesenchymal characteristics and EMT ability, and the growth of SKOV3 and sphere cells was significantly inhibited by UA. Transplanted tumors were significantly reduced after injection of UA and UA plus cisplatin. Furthermore, we found that UA could play a role in enhancing the sensitivity of CSCs to cisplatin resistance. Our findings suggested that UA is involved in EMT mechanism to affect the proliferation and apoptosis of human ovarian cancer stem-like cells and it is a potent anti-ovarian cancer agent.
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Affiliation(s)
- Jie Zhang
- Department of Gynecology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
| | - Wenjing Wang
- Department of Gynecology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
| | - Lin Qian
- Department of Gynecology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
| | - Qiuwan Zhang
- The International Peace Maternity and Child Health Hospital, Shanghai Jiaotong University, Shanghai 200032, P.R. China
| | - Dongmei Lai
- The International Peace Maternity and Child Health Hospital, Shanghai Jiaotong University, Shanghai 200032, P.R. China
| | - Cong Qi
- Department of Gynecology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
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49
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Yu X, Li Z. MicroRNA expression and its implications for diagnosis and therapy of tongue squamous cell carcinoma. J Cell Mol Med 2015; 20:10-6. [PMID: 26498914 PMCID: PMC4717854 DOI: 10.1111/jcmm.12650] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Accepted: 06/08/2015] [Indexed: 12/30/2022] Open
Abstract
Tongue squamous cell carcinoma (TSCC) is the most common type of oral squamous cell carcinomas and is well known for its high rate of lymph nodal metastasis. Despite the identification of many molecular mechanisms in TSCC, the number of deaths associated with TSCC increased during the past 5 years. MicroRNAs (miRNAs) are a family of small non-coding RNA molecules, which regulate gene expression by either translational inhibition or mRNA degradation. miRNAs have been proven to be key regulators of various biological and pathological processes including cell proliferation, development and tumourigenesis. Increasing evidence has demonstrated that the deregulated miRNAs are implicated in the diagnosis and treatment of TSCC. In this review, we summarized the expressions and roles of miRNAs in TSCC and comment on the potential roles of miRNAs in diagnosis, prognosis and treatment of this malignancy.
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Affiliation(s)
- Xin Yu
- Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zheng Li
- Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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50
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Lv C, Bai Z, Liu Z, Luo P, Zhang J. MicroRNA-495 suppresses human renal cell carcinoma malignancy by targeting SATB1. Am J Transl Res 2015; 7:1992-1999. [PMID: 26692942 PMCID: PMC4656775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 10/10/2015] [Indexed: 06/05/2023]
Abstract
Deregulated expression of miRNAs is related to progression and initiation of human cancers. Although miR-495 has identified in various tumors, its expression and function in renal cell carcinoma (RCC) is still unknown. In this study, we found that the expression of miR-495 was downregulated in RCC cell lines and tissues. Ectopic expression of miR-495 induced G0/G1 phase arrest and suppressed cell proliferation and migration in RCC cell lines. We further validated SATB1 was a direct target of miR-495 in RCC. In addition, re-expression of SATB1 reversed the miR-495-induced inhibition of cell proliferation and migration. These data suggest that miR-495 functions as a tumor suppressor and may be a promising therapeutic target in RCC in the future.
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Affiliation(s)
- Cai Lv
- Department of Urology, Haikou Municipal HospitalHaikou, Hainan, 570208, China
- Department of Urology, Renmin Hospital of Wuhan UniversityWuhan, Hubei, 430060, China
| | - Zhiming Bai
- Department of Urology, Haikou Municipal HospitalHaikou, Hainan, 570208, China
| | - Zhenxiang Liu
- Department of Urology, Haikou Municipal HospitalHaikou, Hainan, 570208, China
| | - Pengcheng Luo
- Department of Urology, Renmin Hospital of Wuhan UniversityWuhan, Hubei, 430060, China
| | - Jie Zhang
- Department of Urology, Renmin Hospital of Wuhan UniversityWuhan, Hubei, 430060, China
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