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Burdiel M, Jiménez J, Rodríguez-Antolín C, García-Guede Á, Pernía O, Sastre-Perona A, Rosas-Alonso R, Colmenarejo J, Rodríguez-Jiménez C, Diestro MD, Martínez-Marín V, Higueras O, Cruz P, Losantos-García I, Peinado H, Vera O, de Castro J, Ibáñez de Cáceres I. MiR-151a: a robust endogenous control for normalizing small extracellular vesicle cargo in human cancer. Biomark Res 2023; 11:94. [PMID: 37864266 PMCID: PMC10589979 DOI: 10.1186/s40364-023-00526-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 09/15/2023] [Indexed: 10/22/2023] Open
Abstract
Small extracellular vesicles (sEVs) in the blood of cancer patients contain higher amounts of tumor markers than those identified as free-circulating. miRNAs have significant biomedical relevance due to their high stability and feasible detection. However, there is no reliable endogenous control available to measure sEVs-miRNA content, impairing the acquisition of standardized consistent measurements in cancer liquid biopsy. In this study, we identified three miRNAs from a panel of nine potential normalizers that emerged from a comprehensive analysis comparing the sEV-miRNA profile of six lung and ovarian human cancer cell lines in the absence of or under different conditions. Their relevance as normalizers was tested in 26 additional human cancer cell lines from nine different tumor types undergoing chemotherapy or radiotherapy treatment. The validation cohorts were comprised of 242 prospective plasma and ascitic fluid samples from three different human tumor types. Variability and normalization properties were tested in comparison to miR-16, the most used control to normalize free-circulating miRNAs in plasma. Our results indicate that miR-151a is consistently represented in small extracellular vesicles with minimal variability compared to miR-16, providing a novel normalizer to measure small extracellular vesicle miRNA content that will benefit liquid biopsy in cancer patients.
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Affiliation(s)
- Miranda Burdiel
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain
| | - Julia Jiménez
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain
| | - Carlos Rodríguez-Antolín
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain
| | - Álvaro García-Guede
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain
| | - Olga Pernía
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain
| | - Ana Sastre-Perona
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain
| | - Rocío Rosas-Alonso
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain
| | - Julián Colmenarejo
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain
| | - Carmen Rodríguez-Jiménez
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain
| | - María Dolores Diestro
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain
- Gynecologic Oncology Unit, La Paz University Hospital, Madrid, Spain
| | | | - Oliver Higueras
- Medical Oncology Department, La Paz University Hospital, Madrid, Spain
| | - Patricia Cruz
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain
| | | | - Héctor Peinado
- Microenvironment and Metastasis Laboratory, Molecular Oncology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Olga Vera
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain.
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain.
| | - Javier de Castro
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain
- Medical Oncology Department, La Paz University Hospital, Madrid, Spain
| | - Inmaculada Ibáñez de Cáceres
- Biomarkers and Experimental Therapeutics in Cancer, IdiPAZ, Madrid, Spain.
- Cancer Epigenetics Laboratory, INGEMM, La Paz University Hospital, Madrid, Spain.
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Epigenetics of Thymic Epithelial Tumors. Cancers (Basel) 2023; 15:cancers15020360. [PMID: 36672310 PMCID: PMC9856807 DOI: 10.3390/cancers15020360] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/30/2022] [Accepted: 01/02/2023] [Indexed: 01/08/2023] Open
Abstract
Thymic epithelial tumors (TETs) arise from the epithelial cells of the thymus and consist in the 1% of all adult malignancies, despite the fact that they are the most common lesions of the anterior mediastinum. TETs can be divided mainly into thymomas, thymic carcinomas, and the rarest ad aggressive neuroendocrine forms. Despite the surgical resection is quite resolving, the diagnosis of TETs is complicated by the absence of symptoms and the clinical presentation aggravated by several paraneoplastic disorders, including myasthenia gravis. Thus, the heterogeneity of TETs prompts the search for molecular biomarkers that could be helpful for tumor characterization and clinical outcomes prediction. With these aims, several researchers investigated the epigenetic profiles of TETs. In this manuscript, we narratively review the works investigating the deregulation of epigenetic mechanisms in TETs, highlighting the need for further studies combining genetic, epigenetic, and expression data to better characterize the different molecular subtypes and identify, for each of them, the most relevant epigenetic biomarkers of clinical utility.
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DNA Methylation Biomarkers for Prediction of Response to Platinum-Based Chemotherapy: Where Do We Stand? Cancers (Basel) 2022; 14:cancers14122918. [PMID: 35740584 PMCID: PMC9221086 DOI: 10.3390/cancers14122918] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/10/2022] [Accepted: 06/11/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Platinum-based agents are one of the most widely used chemotherapy drugs for various types of cancer. However, one of the main challenges in the application of platinum drugs is resistance, which is currently being widely investigated. Epigenetic DNA methylation-based biomarkers are promising to aid in the selection of patients, helping to foresee their platinum therapy response in advance. These biomarkers enable minimally invasive patient sample collection, short analysis, and good sensitivity. Hence, improved methodologies for the detection and quantification of DNA methylation biomarkers will facilitate their use in the choice of an optimal treatment strategy. Abstract Platinum-based chemotherapy is routinely used for the treatment of several cancers. Despite all the advances made in cancer research regarding this therapy and its mechanisms of action, tumor resistance remains a major concern, limiting its effectiveness. DNA methylation-based biomarkers may assist in the selection of patients that may benefit (or not) from this type of treatment and provide new targets to circumvent platinum chemoresistance, namely, through demethylating agents. We performed a systematic search of studies on biomarkers that might be predictive of platinum-based chemotherapy resistance, including in vitro and in vivo pre-clinical models and clinical studies using patient samples. DNA methylation biomarkers predictive of response to platinum remain mostly unexplored but seem promising in assisting clinicians in the generation of more personalized follow-up and treatment strategies. Improved methodologies for their detection and quantification, including non-invasively in liquid biopsies, are additional attractive features that can bring these biomarkers into clinical practice, fostering precision medicine.
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Chen X, Li Y, Paiboonrungruang C, Li Y, Peters H, Kist R, Xiong Z. PAX9 in Cancer Development. Int J Mol Sci 2022; 23:5589. [PMID: 35628401 PMCID: PMC9147292 DOI: 10.3390/ijms23105589] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/12/2022] [Accepted: 05/14/2022] [Indexed: 02/05/2023] Open
Abstract
Paired box 9 (PAX9) is a transcription factor of the PAX family functioning as both a transcriptional activator and repressor. Its functional roles in the embryonic development of various tissues and organs have been well studied. However, its roles and molecular mechanisms in cancer development are largely unknown. Here, we review the current understanding of PAX9 expression, upstream regulation of PAX9, and PAX9 downstream events in cancer development. Promoter hypermethylation, promoter SNP, microRNA, and inhibition of upstream pathways (e.g., NOTCH) result in PAX9 silencing or downregulation, whereas gene amplification and an epigenetic axis upregulate PAX9 expression. PAX9 may contribute to carcinogenesis through dysregulation of its transcriptional targets and related molecular pathways. In summary, extensive studies on PAX9 in its cellular and tissue contexts are warranted in various cancers, in particular, HNSCC, ESCC, lung cancer, and cervical SCC.
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Affiliation(s)
- Xiaoxin Chen
- Cancer Research Program, Julius L. Chambers Biomedical Biotechnology Research Institute, North Carolina Central University, 700 George Street, Durham, NC 27707, USA; (X.C.); (Y.L.); (C.P.); (Y.L.)
| | - Yahui Li
- Cancer Research Program, Julius L. Chambers Biomedical Biotechnology Research Institute, North Carolina Central University, 700 George Street, Durham, NC 27707, USA; (X.C.); (Y.L.); (C.P.); (Y.L.)
| | - Chorlada Paiboonrungruang
- Cancer Research Program, Julius L. Chambers Biomedical Biotechnology Research Institute, North Carolina Central University, 700 George Street, Durham, NC 27707, USA; (X.C.); (Y.L.); (C.P.); (Y.L.)
| | - Yong Li
- Cancer Research Program, Julius L. Chambers Biomedical Biotechnology Research Institute, North Carolina Central University, 700 George Street, Durham, NC 27707, USA; (X.C.); (Y.L.); (C.P.); (Y.L.)
- Department of Thoracic Surgery, National Cancer Center, Cancer Hospital of Chinese Academy of Medical Sciences, 17 Panjiayuan Nanli Road, Beijing 100021, China
| | - Heiko Peters
- Newcastle University Biosciences Institute, Newcastle upon Tyne NE2 4BW, UK;
| | - Ralf Kist
- Newcastle University Biosciences Institute, Newcastle upon Tyne NE2 4BW, UK;
- School of Dental Sciences, Newcastle University Centre for Cancer, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE2 4BW, UK
| | - Zhaohui Xiong
- Cancer Research Program, Julius L. Chambers Biomedical Biotechnology Research Institute, North Carolina Central University, 700 George Street, Durham, NC 27707, USA; (X.C.); (Y.L.); (C.P.); (Y.L.)
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Bhol CS, Mishra SR, Patil S, Sahu SK, Kirtana R, Manna S, Shanmugam MK, Sethi G, Patra SK, Bhutia SK. PAX9 reactivation by inhibiting DNA methyltransferase triggers antitumor effect in oral squamous cell carcinoma. Biochim Biophys Acta Mol Basis Dis 2022; 1868:166428. [PMID: 35533906 DOI: 10.1016/j.bbadis.2022.166428] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 04/11/2022] [Accepted: 04/29/2022] [Indexed: 01/07/2023]
Abstract
Aberrant DNA hypermethylation is associated with oral carcinogenesis. Procaine, a local anesthetic, is a DNA methyltransferase (DNMT) inhibitor that activates anticancer mechanisms. However, its effect on silenced tumor suppressor gene (TSG) activation and its biological role in oral squamous cell carcinoma (OSCC) remain unknown. Here, we report procaine inhibited DNA methylation by suppressing DNMT activity and increased the expression of PAX9, a differentiation gene in OSCC cells. Interestingly, the reactivation of PAX9 by procaine found to inhibit cell growth and trigger apoptosis in OSCC in vitro and in vivo. Likely, the enhanced PAX9 expression after exposure to procaine controls stemness and differentiation through the autophagy-dependent pathway in OSCC cells. PAX9 inhibition abrogated procaine-induced apoptosis, autophagy, and inhibition of stemness. In OSCC cells, procaine improved anticancer drug sensitivity through PAX9, and its deficiency significantly blunted the anticancer drug sensitivity mediated by procaine. Additionally, NRF2 activation by procaine facilitated the antitumor response of PAX9, and pharmacological inhibition of NRF2 by ML385 reduced death and prevented the decrease in the orosphere-forming potential of OSCC cells. Furthermore, procaine promoted antitumor activity in FaDu xenografts in athymic nude mice, and immunohistochemistry data showed that PAX9 expression was significantly enhanced in the procaine group compared to the vehicle control. In conclusion, PAX9 reactivation in response to DNMT inhibition could trigger a potent antitumor mechanism to provide a new therapeutic strategy for OSCC.
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Affiliation(s)
- Chandra Sekhar Bhol
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundergarh 769008, Odisha, India
| | - Soumya Ranjan Mishra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundergarh 769008, Odisha, India
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Sunil Kumar Sahu
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundergarh 769008, Odisha, India
| | - R Kirtana
- Epigenetics and Cancer Research Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundergarh 769008, Odisha, India
| | - Soumen Manna
- Epigenetics and Cancer Research Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundergarh 769008, Odisha, India
| | - Muthu Kumaraswamy Shanmugam
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore
| | - Samir Kumar Patra
- Epigenetics and Cancer Research Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundergarh 769008, Odisha, India
| | - Sujit Kumar Bhutia
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundergarh 769008, Odisha, India.
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Recent Advances in Ovarian Cancer: Therapeutic Strategies, Potential Biomarkers, and Technological Improvements. Cells 2022; 11:cells11040650. [PMID: 35203301 PMCID: PMC8870715 DOI: 10.3390/cells11040650] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/10/2022] [Accepted: 02/10/2022] [Indexed: 02/06/2023] Open
Abstract
Aggressive and recurrent gynecological cancers are associated with worse prognosis and a lack of effective therapeutic response. Ovarian cancer (OC) patients are often diagnosed in advanced stages, when drug resistance, angiogenesis, relapse, and metastasis impact survival outcomes. Currently, surgical debulking, radiotherapy, and/or chemotherapy remain the mainstream treatment modalities; however, patients suffer unwanted side effects and drug resistance in the absence of targeted therapies. Hence, it is urgent to decipher the complex disease biology and identify potential biomarkers, which could greatly contribute to making an early diagnosis or predicting the response to specific therapies. This review aims to critically discuss the current therapeutic strategies for OC, novel drug-delivery systems, and potential biomarkers in the context of genetics and molecular research. It emphasizes how the understanding of disease biology is related to the advancement of technology, enabling the exploration of novel biomarkers that may be able to provide more accurate diagnosis and prognosis, which would effectively translate into targeted therapies, ultimately improving patients’ overall survival and quality of life.
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