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Verdura S, Encinar JA, Gratchev A, Llop-Hernández À, López J, Serrano-Hervás E, Teixidor E, López-Bonet E, Martin-Castillo B, Micol V, Bosch-Barrera J, Cuyàs E, Menendez JA. Silibinin is a suppressor of the metastasis-promoting transcription factor ID3. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 128:155493. [PMID: 38484626 DOI: 10.1016/j.phymed.2024.155493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/31/2024] [Accepted: 02/26/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND ID3 (inhibitor of DNA binding/differentiation-3) is a transcription factor that enables metastasis by promoting stem cell-like properties in endothelial and tumor cells. The milk thistle flavonolignan silibinin is a phytochemical with anti-metastatic potential through largely unknown mechanisms. HYPOTHESIS/PURPOSE We have mechanistically investigated the ability of silibinin to inhibit the aberrant activation of ID3 in brain endothelium and non-small cell lung cancer (NSCLC) models. METHODS Bioinformatic analyses were performed to investigate the co-expression correlation between ID3 and bone morphogenic protein (BMP) ligands/BMP receptors (BMPRs) genes in NSCLC patient datasets. ID3 expression was assessed by immunoblotting and qRT-PCR. Luciferase reporter assays were used to evaluate the gene sequences targeted by silibinin to regulate ID3 transcription. In silico computational modeling and LanthaScreen TR-FRET kinase assays were used to characterize and validate the BMPR inhibitory activity of silibinin. Tumor tissues from NSCLC xenograft models treated with oral silibinin were used to evaluate the in vivo anti-ID3 effects of silibinin. RESULTS Analysis of lung cancer patient datasets revealed a top-ranked positive association of ID3 with the BMP9 endothelial receptor ACVRL1/ALK1 and the BMP ligand BMP6. Silibinin treatment blocked the BMP9-induced activation of the ALK1-phospho-SMAD1/5-ID3 axis in brain endothelial cells. Constitutive, acquired, and adaptive expression of ID3 in NSCLC cells were all significantly downregulated in response to silibinin. Silibinin blocked ID3 transcription via BMP-responsive elements in ID3 gene enhancers. Silibinin inhibited the kinase activities of BMPRs in the micromolar range, with the lower IC50 values occurring against ACVRL1/ALK1 and BMPR2. In an in vivo NSCLC xenograft model, tumoral overexpression of ID3 was completely suppressed by systematically achievable oral doses of silibinin. CONCLUSIONS ID3 is a largely undruggable metastasis-promoting transcription factor. Silibinin is a novel suppressor of ID3 that may be explored as a novel therapeutic approach to interfere with the metastatic dissemination capacity of NSCLC.
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Affiliation(s)
- Sara Verdura
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, Girona, 17007, Spain; Metabolism and Cancer Group, Girona Biomedical Research Institute (IDIBGI), Girona 17190, Spain
| | - José Antonio Encinar
- Institute of Research, Development and Innovation in Health Biotechnology of Elche (IDiBE), Universitas Miguel Hernández (UMH), Elche 03202, Spain
| | - Alexei Gratchev
- Laboratory for Tumor Stromal Cell Biology, Institute of Carcinogenesis, Nikolaj Nikolajevich (N.N.) Blokhin National Medical Research Center of Oncology, Moscow 115478, Russia
| | - Àngela Llop-Hernández
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, Girona, 17007, Spain; Metabolism and Cancer Group, Girona Biomedical Research Institute (IDIBGI), Girona 17190, Spain
| | - Júlia López
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, Girona, 17007, Spain; Metabolism and Cancer Group, Girona Biomedical Research Institute (IDIBGI), Girona 17190, Spain
| | - Eila Serrano-Hervás
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, Girona, 17007, Spain; Metabolism and Cancer Group, Girona Biomedical Research Institute (IDIBGI), Girona 17190, Spain
| | - Eduard Teixidor
- Precision Oncology Group (OncoGir-Pro), Girona Biomedical Research Institute (IDIBGI), Girona 17190, Spain; Medical Oncology, Catalan Institute of Oncology, Girona, 17007, Spain
| | - Eugeni López-Bonet
- Metabolism and Cancer Group, Girona Biomedical Research Institute (IDIBGI), Girona 17190, Spain; Department of Anatomical Pathology, Dr. Josep Trueta Hospital of Girona, Girona 17007, Spain
| | - Begoña Martin-Castillo
- Metabolism and Cancer Group, Girona Biomedical Research Institute (IDIBGI), Girona 17190, Spain; Unit of Clinical Research, Catalan Institute of Oncology, Girona, 17007, Spain
| | - Vicente Micol
- Institute of Research, Development and Innovation in Health Biotechnology of Elche (IDiBE), Universitas Miguel Hernández (UMH), Elche 03202, Spain; CIBER Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, 28029, Spain
| | - Joaquim Bosch-Barrera
- Precision Oncology Group (OncoGir-Pro), Girona Biomedical Research Institute (IDIBGI), Girona 17190, Spain; Medical Oncology, Catalan Institute of Oncology, Girona, 17007, Spain; Department of Medical Sciences, Medical School, University of Girona, Girona, Spain
| | - Elisabet Cuyàs
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, Girona, 17007, Spain; Metabolism and Cancer Group, Girona Biomedical Research Institute (IDIBGI), Girona 17190, Spain
| | - Javier A Menendez
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, Girona, 17007, Spain; Metabolism and Cancer Group, Girona Biomedical Research Institute (IDIBGI), Girona 17190, Spain.
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Frydrychowicz M, Kuszel Ł, Dworacki G, Budna-Tukan J. MicroRNA in lung cancer-a novel potential way for early diagnosis and therapy. J Appl Genet 2023; 64:459-477. [PMID: 36821071 PMCID: PMC10457410 DOI: 10.1007/s13353-023-00750-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/31/2023] [Accepted: 02/07/2023] [Indexed: 02/24/2023]
Abstract
Lung cancer is the most common cause of cancer-related deaths in the world. One of the reasons of poor prognosis and high mortality of lung cancer patients is the diagnosis of the disease in its advanced stage. Despite innovative diagnostic methods and multiple completed and ongoing clinical trials aiming at therapy improvement, no significant increase in patients' long-term survival has been noted over last decades. Patients would certainly benefit from early detection of lung cancer. Therefore, it is crucial to find new biomarkers that can help predict outcomes and tumor responses in order to maximize therapy effectiveness and avoid over- or under-treating patients with lung cancer. Nowadays, scientists' attention is mainly dedicated to so-called liquid biopsy, which is fully non-invasive and easily available method based on simple blood draw. Among common liquid biopsy elements, circulating tumor nucleic acids are worth mentioning. Epigenetic biomarkers, particularly miRNA expression, have several distinct features that make them promising prognostic markers. In this review, we described miRNA's involvement in tumorigenesis and present it as a predictor of cancer development and progression, potential indicator of treatment efficacy, and most importantly promising therapeutic target.
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Affiliation(s)
- Magdalena Frydrychowicz
- Department of Clinical Immunology, Poznan University of Medical Sciences, 60-806 Poznan, Poland
| | - Łukasz Kuszel
- Department of Medical Genetics, Poznan University of Medical Sciences, 60-806 Poznan, Poland
| | - Grzegorz Dworacki
- Department of Clinical Immunology, Poznan University of Medical Sciences, 60-806 Poznan, Poland
| | - Joanna Budna-Tukan
- Department of Histology and Embryology, Poznan University of Medical Sciences, 61-781 Poznan, Poland
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3
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Silibinin Overcomes EMT-Driven Lung Cancer Resistance to New-Generation ALK Inhibitors. Cancers (Basel) 2022; 14:cancers14246101. [PMID: 36551587 PMCID: PMC9777025 DOI: 10.3390/cancers14246101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 11/26/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
Epithelial-to-mesenchymal transition (EMT) may drive the escape of ALK-rearranged non-small-cell lung cancer (NSCLC) tumors from ALK-tyrosine kinase inhibitors (TKIs). We investigated whether first-generation ALK-TKI therapy-induced EMT promotes cross-resistance to new-generation ALK-TKIs and whether this could be circumvented by the flavonolignan silibinin, an EMT inhibitor. ALK-rearranged NSCLC cells acquiring a bona fide EMT phenotype upon chronic exposure to the first-generation ALK-TKI crizotinib exhibited increased resistance to second-generation brigatinib and were fully refractory to third-generation lorlatinib. Such cross-resistance to new-generation ALK-TKIs, which was partially recapitulated upon chronic TGFβ stimulation, was less pronounced in ALK-rearranged NSCLC cells solely acquiring a partial/hybrid E/M transition state. Silibinin overcame EMT-induced resistance to brigatinib and lorlatinib and restored their efficacy involving the transforming growth factor-beta (TGFβ)/SMAD signaling pathway. Silibinin deactivated TGFβ-regulated SMAD2/3 phosphorylation and suppressed the transcriptional activation of genes under the control of SMAD binding elements. Computational modeling studies and kinase binding assays predicted a targeted inhibitory binding of silibinin to the ATP-binding pocket of TGFβ type-1 receptor 1 (TGFBR1) and TGFBR2 but solely at the two-digit micromolar range. A secretome profiling confirmed the ability of silibinin to normalize the augmented release of TGFβ into the extracellular fluid of ALK-TKIs-resistant NSCLC cells and reduce constitutive and inducible SMAD2/3 phosphorylation occurring in the presence of ALK-TKIs. In summary, the ab initio plasticity along the EMT spectrum may explain the propensity of ALK-rearranged NSCLC cells to acquire resistance to new-generation ALK-TKIs, a phenomenon that could be abrogated by the silibinin-driven attenuation of the TGFβ/SMAD signaling axis in mesenchymal ALK-rearranged NSCLC cells.
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4
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Dahmardeh Ghalehno A, Boustan A, Abdi H, Aganj Z, Mosaffa F, Jamialahmadi K. The Potential for Natural Products to Overcome Cancer Drug Resistance by Modulation of Epithelial-Mesenchymal Transition. Nutr Cancer 2022; 74:2686-2712. [PMID: 34994266 DOI: 10.1080/01635581.2021.2022169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The acquisition of resistance and ultimately disease relapse after initial response to chemotherapy put obstacles in the way of cancer therapy. Epithelial-mesenchymal transition (EMT) is a biologic process that epithelial cells alter to mesenchymal cells and acquire fibroblast-like properties. EMT plays a significant role in cancer metastasis, motility, and survival. Recently, emerging evidence suggested that EMT pathways are very important in making drug-resistant involved in cancer. Natural products are gradually emerging as a valuable source of safe and effective anticancer compounds. Natural products could interfere with the different processes implicated in cancer drug resistance by reversing the EMT process. In this review, we illustrate the molecular mechanisms of EMT in the emergence of cancer metastasis. We then present the role of natural compounds in the suppression of EMT pathways in different cancers to overcome cancer cell drug resistance and improve tumor chemotherapy. HighlightsDrug-resistance is one of the obstacles to cancer treatment.EMT signaling pathways have been correlated to tumor invasion, metastasis, and drug-resistance.Various studies on the relationship between EMT and resistance to chemotherapy agents were reviewed.Different anticancer natural products with EMT inhibitory properties and drug resistance reversal effects were compared.
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Affiliation(s)
- Asefeh Dahmardeh Ghalehno
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Arad Boustan
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hakimeh Abdi
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zahra Aganj
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fatemeh Mosaffa
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Khadijeh Jamialahmadi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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5
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Ruiz-Manriquez LM, Estrada-Meza C, Benavides-Aguilar JA, Ledesma-Pacheco SJ, Torres-Copado A, Serrano-Cano FI, Bandyopadhyay A, Pathak S, Chakraborty S, Srivastava A, Sharma A, Paul S. Phytochemicals mediated modulation of microRNAs and long non-coding RNAs in cancer prevention and therapy. Phytother Res 2021; 36:705-729. [PMID: 34932245 DOI: 10.1002/ptr.7338] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 10/07/2021] [Accepted: 11/04/2021] [Indexed: 12/15/2022]
Abstract
MicroRNAs (miRNAs) and long noncoding RNAs (lncRNAs) are two main categories of noncoding RNAs (ncRNAs) that can influence essential biological functions in various ways, as well as their expression and function are tightly regulated in physiological homeostasis. Additionally, the dysregulation of these ncRNAs seems to be crucial to the pathogenesis of human diseases. The latest findings indicate that ncRNAs execute vital roles in cancer initiation and progression, and the cancer phenotype can be reversed by modulating their expression. Available scientific discoveries suggest that phytochemicals such as polyphenols, alkaloids, terpenoids, and organosulfur compounds can significantly modulate multiple cancer-associated miRNAs and lncRNAs, thereby inhibiting cancer initiation and development. However, despite promising outcomes of experimental research, only a few clinical trials are currently being conducted to evaluate the therapeutic effectiveness of these compounds. Nevertheless, understanding phytochemical-mediated ncRNA regulation in cancer and the underlying molecular mechanisms on tumor pathophysiology can aid in the development of novel therapeutic strategies to combat this deadly disease.
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Affiliation(s)
- Luis M Ruiz-Manriquez
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, San Pablo, Mexico
| | - Carolina Estrada-Meza
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, San Pablo, Mexico
| | | | - S Janin Ledesma-Pacheco
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, San Pablo, Mexico
| | - Andrea Torres-Copado
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, San Pablo, Mexico
| | - Francisco I Serrano-Cano
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, San Pablo, Mexico
| | - Anindya Bandyopadhyay
- C4 Rice Center, International Rice Research Institute, Manila, Philippines.,Synthetic Biology, Biofuel and Genome Editing R&D, Reliance Industries Ltd, Navi Mumbai, India
| | - Surajit Pathak
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Kelambakkam, Chennai, India
| | - Samik Chakraborty
- Division of Nephrology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Ashutosh Sharma
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, San Pablo, Mexico
| | - Sujay Paul
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Queretaro, San Pablo, Mexico
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6
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Verdura S, Cuyàs E, Ruiz-Torres V, Micol V, Joven J, Bosch-Barrera J, Menendez JA. Lung Cancer Management with Silibinin: A Historical and Translational Perspective. Pharmaceuticals (Basel) 2021; 14:ph14060559. [PMID: 34208282 PMCID: PMC8230811 DOI: 10.3390/ph14060559] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 05/31/2021] [Accepted: 06/09/2021] [Indexed: 01/01/2023] Open
Abstract
The flavonolignan silibinin, the major bioactive component of the silymarin extract of Silybum marianum (milk thistle) seeds, is gaining traction as a novel anti-cancer therapeutic. Here, we review the historical developments that have laid the groundwork for the evaluation of silibinin as a chemopreventive and therapeutic agent in human lung cancer, including translational insights into its mechanism of action to control the aggressive behavior of lung carcinoma subtypes prone to metastasis. First, we summarize the evidence from chemically induced primary lung tumors supporting a role for silibinin in lung cancer prevention. Second, we reassess the preclinical and clinical evidence on the effectiveness of silibinin against drug resistance and brain metastasis traits of lung carcinomas. Third, we revisit the transcription factor STAT3 as a central tumor-cell intrinsic and microenvironmental target of silibinin in primary lung tumors and brain metastasis. Finally, by unraveling the selective vulnerability of silibinin-treated tumor cells to drugs using CRISPR-based chemosensitivity screenings (e.g., the hexosamine biosynthesis pathway inhibitor azaserine), we illustrate how the therapeutic use of silibinin against targetable weaknesses might be capitalized in specific lung cancer subtypes (e.g., KRAS/STK11 co-mutant tumors). Forthcoming studies should take up the challenge of developing silibinin and/or next-generation silibinin derivatives as novel lung cancer-preventive and therapeutic biomolecules.
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Affiliation(s)
- Sara Verdura
- Girona Biomedical Research Institute (IDIBGI), 17190 Girona, Spain; (S.V.); (E.C.)
- Metabolism and Cancer Group, Program against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, 17007 Girona, Spain
| | - Elisabet Cuyàs
- Girona Biomedical Research Institute (IDIBGI), 17190 Girona, Spain; (S.V.); (E.C.)
- Metabolism and Cancer Group, Program against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, 17007 Girona, Spain
| | - Verónica Ruiz-Torres
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE) and Instituto de Biología Molecular y Celular (IBMC), Universidad Miguel Hernández (UMH), 03202 Elche, Spain; (V.R.-T.); (V.M.)
| | - Vicente Micol
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE) and Instituto de Biología Molecular y Celular (IBMC), Universidad Miguel Hernández (UMH), 03202 Elche, Spain; (V.R.-T.); (V.M.)
| | - Jorge Joven
- Unitat de Recerca Biomèdica (URB-CRB), Hospital Universitari de Sant Joan, Institut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43201 Reus, Spain;
| | - Joaquim Bosch-Barrera
- Metabolism and Cancer Group, Program against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, 17007 Girona, Spain
- Medical Oncology, Catalan Institute of Oncology, Dr. Josep Trueta Hospital of Girona, 17007 Girona, Spain
- Department of Medical Sciences, Faculty of Medicine, University of Girona (UdG), 17003 Girona, Spain
- Correspondence: (J.B.-B.); (J.A.M.)
| | - Javier A. Menendez
- Girona Biomedical Research Institute (IDIBGI), 17190 Girona, Spain; (S.V.); (E.C.)
- Metabolism and Cancer Group, Program against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, 17007 Girona, Spain
- Correspondence: (J.B.-B.); (J.A.M.)
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7
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EGFR mutation mediates resistance to EGFR tyrosine kinase inhibitors in NSCLC: From molecular mechanisms to clinical research. Pharmacol Res 2021; 167:105583. [PMID: 33775864 DOI: 10.1016/j.phrs.2021.105583] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/21/2021] [Accepted: 03/23/2021] [Indexed: 12/15/2022]
Abstract
With the development of precision medicine, molecular targeted therapy has been widely used in the field of cancer, especially in non-small-cell lung cancer (NSCLC). Epidermal growth factor receptor (EGFR) is a well-recognized and effective target for NSCLC therapies, targeted EGFR therapy with EGFR-tyrosine kinase inhibitors (EGFR-TKIs) has achieved ideal clinical efficacy in recent years. Unfortunately, resistance to EGFR-TKIs inevitably occurs due to various mechanisms after a period of therapy. EGFR mutations, such as T790M and C797S, are the most common mechanism of EGFR-TKI resistance. Here, we discuss the mechanisms of EGFR-TKIs resistance induced by secondary EGFR mutations, highlight the development of targeted drugs to overcome EGFR mutation-mediated resistance, and predict the promising directions for development of novel candidates.
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8
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Nurwidya F, Takahashi F, Winardi W, Tajima K, Mitsuishi Y, Murakami A, Kobayashi I, Nara T, Hashimoto M, Kato M, Hidayat M, Suina K, Hayakawa D, Asao T, Ko R, Shukuya T, Yae T, Shimada N, Yoshioka Y, Sasaki S, Takahashi K. Zinc-finger E-box-binding homeobox 1 (ZEB1) plays a crucial role in the maintenance of lung cancer stem cells resistant to gefitinib. Thorac Cancer 2021; 12:1536-1548. [PMID: 33764690 PMCID: PMC8107025 DOI: 10.1111/1759-7714.13937] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/01/2021] [Accepted: 03/01/2021] [Indexed: 12/11/2022] Open
Abstract
Background Zinc‐finger E‐box‐binding homeobox 1 (ZEB1) is an important regulator of epithelial‐mesenchymal transition (EMT) and is involved in the maintenance of cancer stem cells (CSCs) via miR‐200c and BMI1 pathway. Recent studies revealed that ZEB1 contributes to the EMT‐mediated acquired resistance to gefitinib in EGFR‐mutant non‐small cell lung cancer (NSCLC). However, the precise role of ZEB1 in the maintenance of lung CSCs that lead to acquired resistance to gefitinib remains unclear. Methods PC9 and HCC827 NSCLC cell lines were treated with high concentrations of gefitinib, and surviving cells were referred to as “gefitinib‐resistant persisters” (GRPs). ZEB1 knockdown or overexpression was performed to determine the biological significance of ZEB1 in the CSC features of GRPs, and animal models were studied for in vivo validation. Expression of ZEB1, BMI1, and ALDH1A1 was analyzed by immunohistochemistry in tumor specimens from NSCLC patients with acquired resistance to gefitinib. Results GRPs had characteristic features of mesenchymal and CSC phenotypes with high expression of ZEB1 and BMI1, and decreased miR‐200c, in vitro and in vivo. ZEB1 silencing attenuated the suppression of miR‐200c, resulting in the reduction in BMI1 and reversed the mesenchymal and CSC features of GRPs. Furthermore, ZEB1 overexpression induced EMT and increased the levels of CD133‐ and BMI1‐positive GRPs in vitro and gefitinib resistance in vivo. Finally, ZEB1, BMI1, and ALDH1A1 were highly expressed in tumor specimens from EGFR‐mutant NSCLC patients with gefitinib resistance. Conclusions ZEB1 plays an important role in gefitinib‐resistant lung CSCs with EMT features via regulation of miR‐200c and BMI1.
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Affiliation(s)
- Fariz Nurwidya
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Fumiyuki Takahashi
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Wira Winardi
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Ken Tajima
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Yoichiro Mitsuishi
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Akiko Murakami
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Isao Kobayashi
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Takeshi Nara
- Department of Molecular and Cellular Parasitology, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Faculty of Pharmacy, Iryo Sosei University, Fukushima, Japan
| | - Muneaki Hashimoto
- Department of Molecular and Cellular Parasitology, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Kagawa, Japan
| | - Motoyasu Kato
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Moulid Hidayat
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Kentaro Suina
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Daisuke Hayakawa
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Leading Center for the Development and Research of Cancer Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Tetsuhiko Asao
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Ryo Ko
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Takehito Shukuya
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Toshifumi Yae
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Naoko Shimada
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Leading Center for the Development and Research of Cancer Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Yasuko Yoshioka
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Shinichi Sasaki
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan
| | - Kazuhisa Takahashi
- Department of Respiratory Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Ages, Juntendo University, Graduate School of Medicine, Tokyo, Japan.,Leading Center for the Development and Research of Cancer Medicine, Juntendo University, Graduate School of Medicine, Tokyo, Japan
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9
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Shakeri A, Ghanbari M, Tasbandi A, Sahebkar A. Regulation of microRNA-21 expression by natural products in cancer. Phytother Res 2021; 35:3732-3746. [PMID: 33724576 DOI: 10.1002/ptr.7069] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 02/09/2021] [Accepted: 02/22/2021] [Indexed: 12/19/2022]
Abstract
Natural products have been of much interest in research studies owing to their wide pharmacological applications, chemical diversity, low side effects, and multitarget activities. Examples of these compounds include matrine, sulforaphane, silibinin, curcumin, berberin, resveratrol, and quercetin. Some of the present anticancer drugs, such as taxol, vincristine, vinblastine, and doxorubicin are also derived from natural products. The anti-carcinogenic effects of these products are partly mediated through modulation of microRNA-21 (miR-21) expression. To date, numerous downstream targets of miR-21 have been recognized, which include phosphatase and tensin homolog (PTEN), ras homolog gene family member B (RHOB), phosphoinositide 3-kinase/protein kinase B (PI3K/Akt), programmed cell death 4 (PDCD4), signal transducer and activator of transcription (STAT)-3, and nuclear factor kappa B (NF-κB) pathways. These signaling pathways, their regulation by oncomiR-21 in cancer, and the modulating impact of natural products are the main focus of this review.
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Affiliation(s)
- Abolfazl Shakeri
- Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohsen Ghanbari
- Department of Epidemiology, Erasmus MC-University Medical Center Rotterdam, Rotterdam, The Netherlands.,Department of Genetics, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Aida Tasbandi
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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10
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Wen T, Song L, Hua S. Perspectives and controversies regarding the use of natural products for the treatment of lung cancer. Cancer Med 2021; 10:2396-2422. [PMID: 33650320 PMCID: PMC7982634 DOI: 10.1002/cam4.3660] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 12/13/2022] Open
Abstract
Lung cancer is the leading cause of cancer‐related mortality both in men and women and accounts for 18.4% of all cancer‐related deaths. Although advanced therapy methods have been developed, the prognosis of lung cancer patients remains extremely poor. Over the past few decades, clinicians and researchers have found that chemical compounds extracted from natural products may be useful for treating lung cancer. Drug formulations derived from natural compounds, such as paclitaxel, doxorubicin, and camptothecin, have been successfully used as chemotherapeutics for lung cancer. In recent years, hundreds of new natural compounds that can be used to treat lung cancer have been found through basic and sub‐clinical research. However, there has not been a corresponding increase in the number of drugs that have been used in a clinical setting. The probable reasons may include low solubility, limited absorption, unfavorable metabolism, and severe side effects. In this review, we present a summary of the natural compounds that have been proven to be effective for the treatment of lung cancer, as well as an understanding of the mechanisms underlying their pharmacological effects. We have also highlighted current controversies and have attempted to provide solutions for the clinical translation of these compounds.
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Affiliation(s)
- Tingting Wen
- Department of Respiratory Medicine, Key Laboratory of Organ Regeneration & Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun, Jilin, P.R. China
| | - Lei Song
- Department of Respiratory Medicine, Key Laboratory of Organ Regeneration & Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun, Jilin, P.R. China
| | - Shucheng Hua
- Department of Respiratory Medicine, Key Laboratory of Organ Regeneration & Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun, Jilin, P.R. China
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11
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Wang X, Chen B, Xu D, Li Z, Liu H, Huang Z, Huang K, Lin X, Yao H. Molecular mechanism and pharmacokinetics of flavonoids in the treatment of resistant EGF receptor-mutated non-small-cell lung cancer: A narrative review. Br J Pharmacol 2021; 178:1388-1406. [PMID: 33450055 DOI: 10.1111/bph.15360] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 11/11/2020] [Accepted: 12/09/2020] [Indexed: 01/16/2023] Open
Abstract
Here, we review the molecular mechanism and pharmacokinetics of flavonoids in the treatment of resistant EGF receptor (EGFR)-mutated non-small-cell lung cancer (NSCLC) and particularly the possible mechanism(s) of delicaflavone, a biflavonoid extracted from Selaginella doederleinii Hieron. EGFR TK inhibitors (EGFR-TKI) are ubiquitously used in the treatment of NSCLC bearing EGFR mutations. However, patients treated with EGFR-TKI inevitably and continuously develop resistance. In laboratory studies, flavonoids, as potential adjuvants for cancer chemotherapy, exhibited anti-cancer properties such as inhibition of chemoresistance by interference with ABC transporters-induced drug efflux, curbing of c-MET amplification, or reversal of T790M mutation-mediated resistance. The current review aims at summarizing the association between the anti-cancer potentials of flavonoids and their possible regulatory roles in certain types of mutation that could trigger EGFR-TKI resistance in NSCLC. Potential practical applications of these phytochemicals, as well as the relevant pharmacokinetics, are also discussed.
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Affiliation(s)
- Xuewen Wang
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Bing Chen
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China.,Nano Medical Technology Research Institute, Fujian Medical University, Fuzhou, Fujian, China.,Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Fujian Medical University, Fuzhou, Fujian, China
| | - Dafen Xu
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Zhijun Li
- School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Hao Liu
- School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Zhengjun Huang
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China.,Nano Medical Technology Research Institute, Fujian Medical University, Fuzhou, Fujian, China.,Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Fujian Medical University, Fuzhou, Fujian, China
| | - Kangping Huang
- School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Xinhua Lin
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China.,Nano Medical Technology Research Institute, Fujian Medical University, Fuzhou, Fujian, China.,Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Fujian Medical University, Fuzhou, Fujian, China
| | - Hong Yao
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China.,Nano Medical Technology Research Institute, Fujian Medical University, Fuzhou, Fujian, China.,Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Fujian Medical University, Fuzhou, Fujian, China
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12
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Tuli HS, Mittal S, Aggarwal D, Parashar G, Parashar NC, Upadhyay SK, Barwal TS, Jain A, Kaur G, Savla R, Sak K, Kumar M, Varol M, Iqubal A, Sharma AK. Path of Silibinin from diet to medicine: A dietary polyphenolic flavonoid having potential anti-cancer therapeutic significance. Semin Cancer Biol 2020; 73:196-218. [PMID: 33130037 DOI: 10.1016/j.semcancer.2020.09.014] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/11/2020] [Accepted: 09/29/2020] [Indexed: 02/07/2023]
Abstract
In the last few decades, targeting cancer by the use of dietary phytochemicals has gained enormous attention. The plausible reason and believe or mind set behind this fact is attributed to either lesser or no side effects of natural compounds as compared to the modern chemotherapeutics, or due to their conventional use as dietary components by mankind for thousands of years. Silibinin is a naturally derived polyphenol (a flavonolignans), possess following biochemical features; molecular formula C25H22O10, Molar mass: 482.44 g/mol, Boiling point 793 °C, with strikingly high antioxidant and anti-tumorigenic properties. The anti-cancer properties of Silibinin are determined by a variety of cellular pathways which include induction of apoptosis, cell cycle arrest, inhibition of angiogenesis and metastasis. In addition, Silibinin controls modulation of the expression of aberrant miRNAs, inflammatory response, and synergism with existing anti-cancer drugs. Therefore, modulation of a vast array of cellular responses and homeostatic aspects makes Silibinin an attractive chemotherapeutic agent. However, like other polyphenols, the major hurdle to declare Silibinin a translational chemotherapeutic agent, is its lesser bioavailability. After summarizing the chemistry and metabolic aspects of Silibinin, this extensive review focuses on functional aspects governed by Silibinin in chemoprevention with an ultimate goal of summarizing the evidence supporting the chemopreventive potential of Silibinin and clinical trials that are currently ongoing, at a single platform.
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Affiliation(s)
- Hardeep Singh Tuli
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, 133 207, Haryana, India
| | - Sonam Mittal
- School of Biotechnology, Jawaharlal Nehru University, New Delhi, India
| | - Diwakar Aggarwal
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, 133 207, Haryana, India
| | - Gaurav Parashar
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, 133 207, Haryana, India
| | | | - Sushil Kumar Upadhyay
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, 133 207, Haryana, India
| | - Tushar Singh Barwal
- Department of Zoology, Central University of Punjab, Bathinda, 151 001, Punjab, India
| | - Aklank Jain
- Department of Zoology, Central University of Punjab, Bathinda, 151 001, Punjab, India
| | - Ginpreet Kaur
- Department of Pharmacology, Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM's, NMIMS, Mumbai, 400 056, Maharastra, India
| | - Raj Savla
- Department of Pharmacology, Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM's, NMIMS, Mumbai, 400 056, Maharastra, India
| | | | - Manoj Kumar
- Department of Chemistry, Maharishi Markandeshwar University, Sadopur, India
| | - Mehmet Varol
- Department of Molecular Biology and Genetics, Faculty of Science, Mugla Sitki Kocman University, Mugla, TR48000, Turkey
| | - Ashif Iqubal
- Department of Pharmacology, School of Pharmaceutical Education and Research (Formerly Faculty of Pharmacy), Jamia Hamdard (Deemed to be University), Delhi, India
| | - Anil Kumar Sharma
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, 133 207, Haryana, India.
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13
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Liang Y, Zhang T, Zhang J. Natural tyrosine kinase inhibitors acting on the epidermal growth factor receptor: Their relevance for cancer therapy. Pharmacol Res 2020; 161:105164. [PMID: 32846211 DOI: 10.1016/j.phrs.2020.105164] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/03/2020] [Accepted: 08/14/2020] [Indexed: 02/07/2023]
Abstract
Epidermal growth factor receptor (EGFR), also known as ErbB-1/HER-1, plays a key role in the regulation of the cell proliferation, migration, differentiation, and survival. Since the constitutive activation or overexpression of EGFR is nearly found in various cancers, the applications focused on EGFR are the most widely used in the clinical level, including the therapeutic drugs of targeting EGFR, monoclonal antibodies (mAbs) and tyrosine kinase inhibitors (TKIs).Over the past decades, the compounds from natural sources have been a productive source of novel drugs, especially in both discovery and development of anti-tumor drugs by targeting the EGFR pathways as the TKIs. This work presents a review of the compounds from natural sources as potential EGFR-TKIs involved in the regulation of cancer. Moreover, high-throughput drug screening of EGFR-TKIs from the natural compounds has also been summarized.
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Affiliation(s)
- Yuan Liang
- College of Food Science and Engineering, Jilin University, Changchun, 130062, China
| | - Tiehua Zhang
- College of Food Science and Engineering, Jilin University, Changchun, 130062, China
| | - Jie Zhang
- College of Food Science and Engineering, Jilin University, Changchun, 130062, China.
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14
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Tripathi SK, Pandey K, Rengasamy KRR, Biswal BK. Recent updates on the resistance mechanisms to epidermal growth factor receptor tyrosine kinase inhibitors and resistance reversion strategies in lung cancer. Med Res Rev 2020; 40:2132-2176. [PMID: 32596830 DOI: 10.1002/med.21700] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 05/21/2020] [Accepted: 06/09/2020] [Indexed: 12/17/2022]
Abstract
Epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) have led to a substantial improvement in the prognosis of lung cancer patients by explicitly targeting the activating mutations within the EGFR. Initially, patients harboring tumors with EGFR mutations show progression-free survival and improvement in the response rates toward all-generation EGFR-TKIs; however, these agents fail to deliver the intended results in the long-term due to drug resistance. Therefore, it is necessary to recognize specific cardinal mechanisms that regulate the resistance phenomenon. Understanding the intricate mechanisms underlying EGFR-TKIs resistance in lung cancer could provide cognizance for more advanced targeted therapeutics. The present review features insights into current updates on the discrete mechanisms, including secondary or tertiary mutations, parallel and downstream signaling pathways, acquiring an epithelial-to-mesenchymal transition (EMT) signature, microRNAs (miRNAs), and epigenetic alterations, which lead to intrinsic and acquired resistance against EGFR-TKIs in lung cancer. In addition, this paper also reviews current possible strategies to overcome this issue using combination treatment of recently developed MET inhibitors, allosteric inhibitors or immunotherapies, transformation of EMT, targeting miRNAs, and epigenetic alterations in intrinsic and acquired EGFR-TKIs resistant lung cancer. In conclusion, multiple factors are responsible for intrinsic and acquired resistance to EGFR-TKIs and understanding of the detailed molecular mechanisms, and recent advancements in pharmacological studies are needed to develop new strategies to overcome intrinsic and acquired EGFR-TKIs resistance in lung cancer.
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Affiliation(s)
- Surya K Tripathi
- Cancer Drug Resistance Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, India
| | - Kamal Pandey
- Cancer Drug Resistance Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, India
| | - Kannan R R Rengasamy
- Department of Bioresources and Food Science, Konkuk University, Seoul, South Korea
| | - Bijesh K Biswal
- Cancer Drug Resistance Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, India
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15
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Assessment of α-amanitin toxicity and effects of silibinin and penicillin in different in vitro models. Toxicol In Vitro 2020; 67:104921. [PMID: 32599260 DOI: 10.1016/j.tiv.2020.104921] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 06/15/2020] [Accepted: 06/17/2020] [Indexed: 01/26/2023]
Abstract
Silibinin (Sil) is used as hepatoprotective drug and is approved for therapeutic use in amanitin poisoning. In our study we compared Sil-bis-succinate (SilBS), a water-soluble drug approved for i.v.-administration, with Sil solved in ethanol (SilEtOH), which is normally used in research. We challenged monocultures or 3D-microtissues consisting of HepG2 cells or primary hepatocytes with α-amanitin and treated with SILBS, SILEtOH, penicillin and combinations thereof. Cell viability and the integrity of the microtissues was monitored. Finally, the expression of the transporters OATP1B1 and B3 was analyzed by qRT-PCR. We demonstrated that primary hepatocytes were more sensitive to α-amanitin compared to HepG2. Primary hepatocytes cultures were protected by SilBS and SilEtOH independent of penicillin from the cytotoxic effects of α-amanitin. Subsequent studies of the expression profile of the transporters OATP1B1/B3 revealed that primary hepatocytes do express both whereas in HepG2 cells they were hardly detectable. Our study showed that SilBS has significant advantage over SilEtOH with no additional benefit of penicillin. Moreover, HepG2 cells may not represent an appropriate model to investigate Amanita phalloides poisoning in vitro with focus on OATP transporters since these cells are lacking sensitivity towards α-amanitin probably due to missing cytotoxicity-associated transporters suggesting that primary hepatocytes should be preferred in this context.
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16
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Identification of extracellular vesicles-transported miRNAs in Erlotinib-resistant head and neck squamous cell carcinoma. J Cell Commun Signal 2020; 14:389-402. [PMID: 32157550 DOI: 10.1007/s12079-020-00546-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 01/05/2020] [Indexed: 02/06/2023] Open
Abstract
Erlotinib is an oral tyrosine kinase inhibitor of epidermal growth factor receptor (EGFR) pathway. Although our previous study has proved the efficacy of Erlotinib in head and neck squamous cell carcinoma (HNSCC), it has also demonstrated poor clinical response rates and disappointing results in clinical trials for HNSCC to date. In this study, we discovered elevated cell proliferation and invasion ability in erlotinib-resistant HNSCC cells. The contributions of miRNAs within extracellular vesicles (EVs) during the formation of chemoresistance were investigated in this study. Among up-regulated miRNAs in EVs derived from resistant cells, miR-7704, miR-21-5p and miR-3960 showed the most pro-tumorigenic alterations after transfection. Conversely, let-7i-5p, miR-619-5p and miR-30e-3p demonstrated tumor suppressive effects. By performing qRT-PCR and Western blot analysis, we found Vimentin played a pivotal role in modulating erlotinib resistance. Additionally, immune system was highlighted in the GO and KEGG analyses. Transfection of miR-7704, miR-21-5p significantly elevated CTLA-4 and LAG3 mRNA levels. Meanwhile, miR-3960 increased the relative mRNA expression of TIM3 in HNSCC cells. Transfection of let-7i-5p, miR-619-5p and miR-30e-3p decreased these checkpoint factors. To conclude, the present study described the roles of EVs-transmitted miRNAs on erlotinib resistance. Targeting the disregulated immune system could be the effective method to overcome erlotinib-resistance in HNSCC cells.
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17
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Competitive glucose metabolism as a target to boost bladder cancer immunotherapy. Nat Rev Urol 2020; 17:77-106. [PMID: 31953517 DOI: 10.1038/s41585-019-0263-6] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/25/2019] [Indexed: 12/24/2022]
Abstract
Bladder cancer - the tenth most frequent cancer worldwide - has a heterogeneous natural history and clinical behaviour. The predominant histological subtype, urothelial bladder carcinoma, is characterized by high recurrence rates, progression and both primary and acquired resistance to platinum-based therapy, which impose a considerable economic burden on health-care systems and have substantial effects on the quality of life and the overall outcomes of patients with bladder cancer. The incidence of urothelial tumours is increasing owing to population growth and ageing, so novel therapeutic options are vital. Based on work by The Cancer Genome Atlas project, which has identified targetable vulnerabilities in bladder cancer, immune checkpoint inhibitors (ICIs) have arisen as an effective alternative for managing advanced disease. However, although ICIs have shown durable responses in a subset of patients with bladder cancer, the overall response rate is only ~15-25%, which increases the demand for biomarkers of response and therapeutic strategies that can overcome resistance to ICIs. In ICI non-responders, cancer cells use effective mechanisms to evade immune cell antitumour activity; the overlapping Warburg effect machinery of cancer and immune cells is a putative determinant of the immunosuppressive phenotype in bladder cancer. This energetic interplay between tumour and immune cells leads to metabolic competition in the tumour ecosystem, limiting nutrient availability and leading to microenvironmental acidosis, which hinders immune cell function. Thus, molecular hallmarks of cancer cell metabolism are potential therapeutic targets, not only to eliminate malignant cells but also to boost the efficacy of immunotherapy. In this sense, integrating the targeting of tumour metabolism into immunotherapy design seems a rational approach to improve the therapeutic efficacy of ICIs.
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18
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Takke A, Shende P. Nanotherapeutic silibinin: An insight of phytomedicine in healthcare reformation. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2019; 21:102057. [PMID: 31340181 DOI: 10.1016/j.nano.2019.102057] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 06/03/2019] [Accepted: 07/01/2019] [Indexed: 12/16/2022]
Abstract
Most of the herbal origin drugs possess water insoluble active constituents which lower the bioavailability and increase systemic clearance after administration of repeated or higher dose of drug. Silymarin is extracted from the seeds and fruits of milk thistle plant Silybum marianum which consists of main biologically active component as silibinin. However, the clinical applications of silibinin show some limitations due to low aqueous solubility, poor penetration into the epithelial cells of intestine, high metabolism and rapid systemic elimination. But nanotechnology-based drug delivery system explores great potential for phytochemicals to enhance the aqueous solubility and bioavailability of BCS class II and IV drugs, improve stability and modify the pharmacological activity. This review focuses on the therapeutic properties of silibinin and discusses the benefits, challenges and applications of silibinin nanoformulations. Such nanotherapeutic system as a regular medicine will be an attractive approach to reduce the adverse events and toxicities of current therapies.
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Affiliation(s)
- Anjali Takke
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, Mumbai, India
| | - Pravin Shende
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, Mumbai, India.
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19
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Pérez-Sánchez A, Cuyàs E, Ruiz-Torres V, Agulló-Chazarra L, Verdura S, González-Álvarez I, Bermejo M, Joven J, Micol V, Bosch-Barrera J, Menendez JA. Intestinal Permeability Study of Clinically Relevant Formulations of Silibinin in Caco-2 Cell Monolayers. Int J Mol Sci 2019; 20:E1606. [PMID: 30935093 PMCID: PMC6480586 DOI: 10.3390/ijms20071606] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 03/27/2019] [Accepted: 03/29/2019] [Indexed: 12/20/2022] Open
Abstract
An ever-growing number of preclinical studies have investigated the tumoricidal activity of the milk thistle flavonolignan silibinin. The clinical value of silibinin as a bona fide anti-cancer therapy, however, remains uncertain with respect to its bioavailability and blood⁻brain barrier (BBB) permeability. To shed some light on the absorption and bioavailability of silibinin, we utilized the Caco-2 cell monolayer model of human intestinal absorption to evaluate the permeation properties of three different formulations of silibinin: silibinin-meglumine, a water-soluble form of silibinin complexed with the amino-sugar meglumine; silibinin-phosphatidylcholine, the phytolipid delivery system Siliphos; and Eurosil85/Euromed, a milk thistle extract that is the active component of the nutraceutical Legasil with enhanced bioavailability. Our approach predicted differential mechanisms of transport and blood⁻brain barrier permeabilities between the silibinin formulations tested. Our assessment might provide valuable information about an idoneous silibinin formulation capable of reaching target cancer tissues and accounting for the observed clinical effects of silibinin, including a recently reported meaningful central nervous system activity against brain metastases.
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Affiliation(s)
- Almudena Pérez-Sánchez
- Instituto de Biología Molecular y Celular (IBMC) and Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández (UMH), 03202 Elche, Spain.
| | - Elisabet Cuyàs
- Program Against Cancer Therapeutic Resistance (ProCURE), Metabolism and Cancer Group, Catalan Institute of Oncology, 17007 Girona, Spain.
- Girona Biomedical Research Institute (IDIBGI), 17190 Girona, Spain.
| | - Verónica Ruiz-Torres
- Instituto de Biología Molecular y Celular (IBMC) and Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández (UMH), 03202 Elche, Spain.
| | - Luz Agulló-Chazarra
- Instituto de Biología Molecular y Celular (IBMC) and Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández (UMH), 03202 Elche, Spain.
| | - Sara Verdura
- Program Against Cancer Therapeutic Resistance (ProCURE), Metabolism and Cancer Group, Catalan Institute of Oncology, 17007 Girona, Spain.
- Girona Biomedical Research Institute (IDIBGI), 17190 Girona, Spain.
| | - Isabel González-Álvarez
- Pharmacokinetics and Pharmaceutical Technology Area, Engineering Department, Universidad Miguel Hernández (UMH), San Juan de Alicante, 03202 Alicante, Spain.
| | - Marival Bermejo
- Pharmacokinetics and Pharmaceutical Technology Area, Engineering Department, Universidad Miguel Hernández (UMH), San Juan de Alicante, 03202 Alicante, Spain.
| | - Jorge Joven
- Unitat de Recerca Biomèdica, Hospital Universitari Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43201 Reus, Spain.
| | - Vicente Micol
- Instituto de Biología Molecular y Celular (IBMC) and Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández (UMH), 03202 Elche, Spain.
- CIBER, Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Instituto de Salud Carlos III (CB12/03/30038), 07122 Palma de Mallorca, Spain.
| | - Joaquim Bosch-Barrera
- Program Against Cancer Therapeutic Resistance (ProCURE), Metabolism and Cancer Group, Catalan Institute of Oncology, 17007 Girona, Spain.
- Department of Medical Sciences, Medical School University of Girona, 17003 Girona, Spain.
- Medical Oncology, Catalan Institute of Oncology (ICO), Dr. Josep Trueta University Hospital, 17007 Girona, Spain.
| | - Javier A Menendez
- Program Against Cancer Therapeutic Resistance (ProCURE), Metabolism and Cancer Group, Catalan Institute of Oncology, 17007 Girona, Spain.
- Girona Biomedical Research Institute (IDIBGI), 17190 Girona, Spain.
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20
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Biersack B. Interplay of non-coding RNAs and approved antimetabolites such as gemcitabine and pemetrexed in mesothelioma. Noncoding RNA Res 2019; 3:213-225. [PMID: 30809600 PMCID: PMC6257890 DOI: 10.1016/j.ncrna.2018.11.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 11/03/2018] [Accepted: 11/03/2018] [Indexed: 12/13/2022] Open
Abstract
Gemcitabine and pemetrexed are clinically approved antimetabolites for the therapy of mesothelioma diseases. These drugs are often applied in combination with platinum complexes and other drugs. The activity of antimetabolites depended on the expression levels of certain non-coding RNAs, in particular, of small microRNAs (miRNAs) and long non-coding RNAs (lncRNAs). The development of tumor resistance towards antimetabolites was regulated by non-coding RNAs. An overview of the interplay between gemcitabine/pemetrexed antimetabolites and non-coding RNAs in mesothelioma is provided. Further to this, various non-coding RNA-modulating agents are discussed which displayed positive effects on gemcitabine or pemetrexed treatment of mesothelioma diseases. A detailed knowledge of the connections of non-coding RNAs with antimetabolites will be constructive for the design of improved therapies in future.
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Key Words
- AKBA, 3-acetyl-11-keto-β-boswellic acid
- Anticancer drugs
- Bcl-2, B-cell lymphoma 2
- DADS, diallyl sulfide
- DHA, docosahexaenoic acid
- DIM, 3,3‘-diindolylmethane
- DMPM, diffuse malignant peritoneal mesothelioma
- EGCG, epigallocatechin-3-gallate
- EMT, epithelial-mesenchymal transition
- Gemcitabine
- HOTAIR, HOX transcript antisense RNA
- I3C, indole-3-carbinol
- Long non-coding RNA
- MALAT1, metastasis-associated lung adenocarcinoma transcript 1
- MPM, malignant pleural mesothelioma
- Mesothelioma
- MicroRNA
- NSCLC, non-small cell lung cancer
- NaB, sodium butyrate
- PDCD4, programmed cell death 4
- PEG, polyethylene glycole
- PEITC, phenethylisothiocyanate
- PTEN, phosphatase and tensin homolog
- Pemetrexed
- RA, retinoic acid
- SAHA, suberoylanilide hydroxamic acid
- SFN, sulforaphane
- TSA, trichostatin A
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21
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Chen X, Cai S, Li B, Zhang X, Li W, Liang H, Cao X, Wang L, Wu Z. MicroRNA‑21 regulates the biological behavior of esophageal squamous cell carcinoma by targeting RASA1. Oncol Rep 2018; 41:1627-1637. [PMID: 30569149 PMCID: PMC6365704 DOI: 10.3892/or.2018.6944] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 12/05/2018] [Indexed: 12/20/2022] Open
Abstract
MicroRNA‑21 (miR‑21) has been revealed to play a crucial role in regulating the biological behavior, including proliferation, migration, invasion and metastasis in certain cancers. However, its role in esophageal squamous cell carcinoma (ESCC) has yet to be elucidated. Based on the data of GSE13937 downloaded from Gene Expression Omnibus (GEO) database, miR‑21 was revealed to be one of the top 20 differentially expressed (DE) miRNAs screened using the Morpheus online tool. RAS p21 protein activator 1 (RASA1) was predicted as the target gene of miR‑21 using the predicting software and was combined with miR‑21 using the luciferase reporter assay. Its relative expression was significantly decreased, however, miR‑21 was increased in the tumor tissues compared to the normal adjacent tissues in patients with ESCC as determined by quantitative polymerase chain reaction (q‑PCR). Furthermore, overexpression of miR‑21 (mimic) could significantly decrease the gene level of RASA1. Conversely, downregulation of miR‑21 (inhibitor) significantly increased the gene level of RASA1, while downregulation of RASA1 (siRASA1) markedly increased the gene expression of miR‑21. Notably, the expression of Snail and vimentin were significantly increased by upregulation of miR‑21 and downregulation of RASA1. Transwell results revealed that miR‑21 and RASA1 regulated proliferation, migration and invasion in ESCC cells. In an in vivo model, miR‑21 inhibitor (antagomir) could inhibit tumor growth. In conclusion, miR‑21 regulated cell proliferation, migration, invasion and tumor growth of ESCC by directly targeting RASA1, which may have been achieved via regulation of Snail and vimentin. Anti‑miR‑21 revealed an antitumor effect. Thus, it may be considered as a possible target for ESCC therapy.
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Affiliation(s)
- Xiaohua Chen
- Department of Oncology, Panyu Central Hospital, Cancer Institute of Panyu, Guangzhou, Guangdong 511400, P.R. China
| | - Sina Cai
- Department of Oncology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong 510630, P.R. China
| | - Baoxia Li
- State Laboratory of Oncology in South China, Sun Yat‑Sen University Cancer Center, Guangzhou, Guangdong 510060, P.R. China
| | - Xiaona Zhang
- Graceland Medical Center, The Sixth Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Wenhui Li
- Department of Oncology, Panyu Central Hospital, Cancer Institute of Panyu, Guangzhou, Guangdong 511400, P.R. China
| | - Henglun Liang
- Department of Oncology, Panyu Central Hospital, Cancer Institute of Panyu, Guangzhou, Guangdong 511400, P.R. China
| | - Xiaolong Cao
- Department of Oncology, Panyu Central Hospital, Cancer Institute of Panyu, Guangzhou, Guangdong 511400, P.R. China
| | - Liping Wang
- Department of Clinical Oncology, The First City Hospital of Chenzhou, Chenzhou, Hunan 423099, P.R. China
| | - Ziqing Wu
- Department of Pathology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510310, P.R. China
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22
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Biersack B. Relations between approved platinum drugs and non-coding RNAs in mesothelioma. Noncoding RNA Res 2018; 3:161-173. [PMID: 30809599 PMCID: PMC6260483 DOI: 10.1016/j.ncrna.2018.08.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 08/29/2018] [Indexed: 12/23/2022] Open
Abstract
Malignant mesothelioma diseases feature an increasing risk due to their severe forms and their association with asbestos exposure. Platinum(II) complexes such as cisplatin and carboplatin are clinically approved for the therapy of mesothelioma often in combination with antimetabolites such as pemetrexed or gemcitabine. It was observed that pathogenic properties of mesothelioma cells and the response of mesothelioma tumors towards platinum-based drugs are strongly influenced by non-coding RNAs, in particular, by small microRNAs (miRNAs) and long non-coding RNAs (lncRNAs). These non-coding RNAs controlled drug sensitivity and the development of tumor resistance towards platinum drugs. An overview of the interactions between platinum drugs and non-coding RNAs is given and the influence of non-coding RNAs on platinum drug efficacy in mesothelioma is discussed. Suitable non-coding RNA-modulating agents with potentially beneficial effects on cisplatin treatment of mesothelioma diseases are mentioned. The understanding of mesothelioma diseases concerning the interactions of non-coding RNAs and platinum drugs will optimize existing therapy schemes and pave the way to new treatment options in future.
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Key Words
- ABC, ATP-binding cassette
- AKBA, 3-acetyl-11-keto-β-boswellic acid
- AKI, acute kidney injury
- Anticancer drugs
- Bcl-2, B-cell lymphoma 2
- CAF, cancer-associated fibroblast
- CBDCA, cyclobutane-1,1-dicarboxylate
- Carboplatin
- Cisplatin
- DADS, diallyl sulfide
- DHA, docosahexaenoic acid
- DIM, 3,3′-diindolylmethane
- DMPM, diffuse malignant peritoneal mesothelioma
- EGCG, epigallocatechin-3-gallate
- EMT, epithelial-mesenchymal transition
- HOTAIR, HOX transcript antisense RNA
- I3C, indole-3-carbinol
- Long non-coding RNA
- MALAT1, metastasis-associated lung adenocarcinoma transcript 1
- MPM, malignant pleural mesothelioma
- MRP1, multidrug resistance protein 1
- Mesothelioma
- MicroRNA
- NSCLC, non-small cell lung cancer
- NaB, sodium butyrate
- PDCD4, programmed cell death 4
- PEG, polyethylene glycole
- PEITC, phenethylisothiocyanate
- PTEN, phosphatase and tensin homolog
- RA, retinoic acid
- SAHA, suberoylanilide hydroxamic acid
- SFN, sulforaphane
- TNBC, triple-negative breast cancer
- TSA, trichostatin A
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23
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Jahanafrooz Z, Motamed N, Rinner B, Mokhtarzadeh A, Baradaran B. Silibinin to improve cancer therapeutic, as an apoptotic inducer, autophagy modulator, cell cycle inhibitor, and microRNAs regulator. Life Sci 2018; 213:236-247. [PMID: 30308184 DOI: 10.1016/j.lfs.2018.10.009] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 10/02/2018] [Accepted: 10/06/2018] [Indexed: 02/07/2023]
Abstract
Silibinin is a natural plant polyphenol with high antioxidant and anticancer properties, which causes broad-spectrum efficacy against cancer, including cell cycle arrest and apoptosis in most cancer cell types. Silibinin, by modulating the apoptosis, cell cycle progression and autophagic pathways in various cellular and molecular routs might be used to design more effective anticancer strategies. Silibinin also regulates aberrant miRNAs expression linked to many aspects of cell biology in cancer. Maybe the most interesting aspect of silibinin is its ability to trigger multiple cellular signaling pathways to induce a particular biologic effect in various cell types. This review discusses investigations supporting the ability of silibinin to be as a natural modulator of involved cellular biological events in cancer progression. In this review, we introduce the salient features of silibinin therapy to optimize clinical outcomes for oncology patients. The goal of the treatments is to make it possible to eliminate the tumor with the minimum side effects and cure the patient in the early stage cancer. Therefore, plant extracts such as silibinin can be included in the treatments.
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Affiliation(s)
- Zohreh Jahanafrooz
- Department of Cell and Molecular Biology, Faculty of Science, University of Maragheh, Maragheh, Iran; Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nasrin Motamed
- Department of Cellular and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Beate Rinner
- Division of Biomedical Research, Medical University Graz, Graz, Austria
| | - Ahad Mokhtarzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Biotechnology, Higher Education Institute of Rab-Rashid, Tabriz, Iran.
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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24
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Amawi H, Hussein NA, Ashby CR, Alnafisah R, Sanglard LM, Manivannan E, Karthikeyan C, Trivedi P, Eisenmann KM, Robey RW, Tiwari AK. Bax/Tubulin/Epithelial-Mesenchymal Pathways Determine the Efficacy of Silybin Analog HM015k in Colorectal Cancer Cell Growth and Metastasis. Front Pharmacol 2018; 9:520. [PMID: 29875662 PMCID: PMC5974752 DOI: 10.3389/fphar.2018.00520] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 04/30/2018] [Indexed: 12/31/2022] Open
Abstract
The inhibition of apoptosis, disruption of cellular microtubule dynamics, and over-activation of the epithelial mesenchymal transition (EMT), are involved in the progression, metastasis, and resistance of colorectal cancer (CRC) to chemotherapy. Therefore, the design of a molecule that can target these pathways could be an effective strategy to reverse CRC progression and metastasis. In this study, twelve novel silybin derivatives, HM015a-HM015k (15a−15k) and compound 17, were screened for cytotoxicity in CRC cell lines. Compounds HM015j and HM015k (15k and 15j) significantly decreased cell proliferation, inhibited colony formation, and produced cell cycle arrest in CRC cells. Furthermore, 15k significantly induced the formation of reactive oxygen species and apoptosis. It induced the cleavage of the intrinsic apoptotic protein (Bax p21) to its more efficacious fragment, p18. Compound 15k also inhibited tubulin expression and disrupted its structure. Compound 15k significantly decreased metastatic LOVO cell migration and invasion. Furthermore, 15k reversed mesenchymal morphology in HCT116 and LOVO cells. Additionally, 15k significantly inhibited the expression of the mesenchymal marker N-cadherin and upregulated the expression of the epithelial marker, E-cadherin. Compound 15k inhibited the expression of key proteins known to induce EMT (i.e., DVL3, β-catenin, c-Myc) and upregulated the anti-metastatic protein, cyclin B1. Overall, in vitro, 15k significantly inhibited CRC progression and metastasis by inhibiting apoptosis, tubulin activity and the EMT pathways. Overall, these data suggest that compound 15k should be tested in vivo in a CRC animal model for further development.
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Affiliation(s)
- Haneen Amawi
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH, United States
| | - Noor A Hussein
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH, United States
| | - Charles R Ashby
- Pharmaceutical Sciences, College of Pharmacy, St. John's University, Queens, NY, United States
| | - Rawan Alnafisah
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH, United States
| | - Leticia M Sanglard
- Biomedical Sciences, College of Veterinary Medicine, Tuskegee University, Tuskegee, AL, United States
| | | | | | - Piyush Trivedi
- School of Pharmaceutical Sciences, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Bhopal, India
| | - Kathryn M Eisenmann
- Department of Cancer Biology, University of Toledo, Toledo, OH, United States
| | - Robert W Robey
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Amit K Tiwari
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH, United States
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25
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Verdura S, Cuyàs E, Llorach-Parés L, Pérez-Sánchez A, Micol V, Nonell-Canals A, Joven J, Valiente M, Sánchez-Martínez M, Bosch-Barrera J, Menendez JA. Silibinin is a direct inhibitor of STAT3. Food Chem Toxicol 2018; 116:161-172. [PMID: 29660364 DOI: 10.1016/j.fct.2018.04.028] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 04/03/2018] [Accepted: 04/13/2018] [Indexed: 01/01/2023]
Abstract
We herein combined experimental and computational efforts to delineate the mechanism of action through which the flavonolignan silibinin targets STAT3. Silibinin reduced IL-6 inducible, constitutive, and acquired feedback activation of STAT3 at tyrosine 705 (Y705). Silibinin attenuated the inducible phospho-activation of Y705 in GFP-STAT3 genetic fusions without drastically altering the kinase activity of the STAT3 upstream kinases JAK1 and JAK2. A comparative computational study based on docking and molecular dynamics simulation over 14 different STAT3 inhibitors (STAT3i) predicted that silibinin could directly bind with high affinity to both the Src homology-2 (SH2) domain and the DNA-binding domain (DBD) of STAT3. Silibinin partially overlapped with the cavity occupied by other STAT3i in the SH2 domain to indirectly prevent Y705 phosphorylation, yet showing a unique binding mode. Moreover, silibinin was the only STAT3i predicted to establish direct interactions with DNA in its targeting to the STAT3 DBD. The prevention of STAT3 nuclear translocation, the blockade of the binding of activated STAT3 to its consensus DNA sequence, and the suppression of STAT3-directed transcriptional activity confirmed silibinin as a direct STAT3i. The unique characteristics of silibinin as a bimodal SH2- and DBD-targeting STAT3i make silibinin a promising lead for designing new, more effective STAT3i.
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Affiliation(s)
- Sara Verdura
- Program Against Cancer Therapeutic Resistance (ProCURE), Metabolism and Cancer Group, Catalan Institute of Oncology, Girona, Spain; Molecular Oncology Group, Girona Biomedical Research Institute (IDIBGI), Girona, Spain
| | - Elisabet Cuyàs
- Program Against Cancer Therapeutic Resistance (ProCURE), Metabolism and Cancer Group, Catalan Institute of Oncology, Girona, Spain; Molecular Oncology Group, Girona Biomedical Research Institute (IDIBGI), Girona, Spain
| | | | - Almudena Pérez-Sánchez
- Instituto de Biología Molecular y Celular (IBMC), Miguel Hernández University (UMH), Elche, Alicante, Spain
| | - Vicente Micol
- Instituto de Biología Molecular y Celular (IBMC), Miguel Hernández University (UMH), Elche, Alicante, Spain; CIBER, Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Instituto de Salud Carlos III (CB12/03/30038), Spain
| | | | - Jorge Joven
- Unitat de Recerca Biomèdica, Hospital Universitari de Sant Joan, IISPV, Rovira i Virgili University, Reus, Spain
| | - Manuel Valiente
- Brain Metastasis Group, Molecular Oncology Program, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | | | - Joaquim Bosch-Barrera
- Department of Medical Oncology, Catalan Institute of Oncology, Girona, Spain; Department of Medical Sciences, Medical School, University of Girona, Girona, Spain.
| | - Javier A Menendez
- Program Against Cancer Therapeutic Resistance (ProCURE), Metabolism and Cancer Group, Catalan Institute of Oncology, Girona, Spain; Molecular Oncology Group, Girona Biomedical Research Institute (IDIBGI), Girona, Spain.
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26
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Chen Y, Lu L, Feng B, Han S, Cui S, Chu X, Chen L, Wang R. Non-coding RNAs as emerging regulators of epithelial to mesenchymal transition in non-small cell lung cancer. Oncotarget 2018; 8:36787-36799. [PMID: 28415568 PMCID: PMC5482698 DOI: 10.18632/oncotarget.16375] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 02/28/2017] [Indexed: 01/01/2023] Open
Abstract
Non-small cell lung cancer (NSCLC) remains a major health problem that patients suffer from around the world. The epithelial to mesenchymal transition (EMT) has attractive roles in increasing malignant potential and reducing sensitivity to conventional therapeutics in NSCLC cells. Meanwhile, it is now evident that non-coding RNAs (ncRNAs), primarily microRNAs and long non-coding RNAs contribute to tumorigenesis partially via regulating EMT. This article briefly summarizes current researches about EMT-related ncRNAs in NSCLC and discusses their crucial roles in the complex regulatory network. Also, the authors will show the evidence that ncRNAs not only contribute to cancer cells migration and invasion, but also take charge of the resistance of chemotherapy, radiotherapy and EGFR-TIKs. Then, we will further discuss the potential of inhibition of EMT via manipulating relevant ncRNAs to change our current treatment of NSCLC patients.
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Affiliation(s)
- Ying Chen
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, PR China
| | - Lu Lu
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, PR China
| | - Bing Feng
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, PR China
| | - Siqi Han
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, PR China
| | - Shiyun Cui
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, PR China
| | - Xiaoyuan Chu
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, PR China
| | - Longbang Chen
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, PR China
| | - Rui Wang
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, PR China
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27
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Meder L, König K, Dietlein F, Macheleidt I, Florin A, Ercanoglu MS, Rommerscheidt-Fuss U, Koker M, Schön G, Odenthal M, Klein F, Büttner R, Schulte JH, Heukamp LC, Ullrich RT. LIN28B enhanced tumorigenesis in an autochthonous KRAS G12V-driven lung carcinoma mouse model. Oncogene 2018; 37:2746-2756. [PMID: 29503447 DOI: 10.1038/s41388-018-0158-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 11/21/2017] [Accepted: 01/10/2018] [Indexed: 12/30/2022]
Abstract
LIN28B is a RNA-binding protein regulating predominantly let-7 microRNAs with essential functions in inflammation, wound healing, embryonic stem cells, and cancer. LIN28B expression is associated with tumor initiation, progression, resistance, and poor outcome in several solid cancers, including lung cancer. However, the functional role of LIN28B, especially in non-small cell lung adenocarcinomas, remains elusive. Here, we investigated the effects of LIN28B expression on lung tumorigenesis using LIN28B transgenic overexpression in an autochthonous KRASG12V-driven mouse model. We found that LIN28B overexpression significantly increased the number of CD44+/CD326+ tumor cells, upregulated VEGF-A and miR-21 and promoted tumor angiogenesis and epithelial-to-mesenchymal transition (EMT) accompanied by enhanced AKT phosphorylation and nuclear translocation of c-MYC. Moreover, LIN28B accelerated tumor initiation and enhanced proliferation which led to a shortened overall survival. In addition, we analyzed lung adenocarcinomas of the Cancer Genome Atlas (TCGA) and found LIN28B expression in 24% of KRAS-mutated cases, which underscore the relevance of our model.
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Affiliation(s)
- Lydia Meder
- Department I of Internal Medicine, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany. .,Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany.
| | - Katharina König
- Labor Dr. Quade und Kollegen GmbH, Aachener Straße 338, Cologne, 50933, Germany
| | - Felix Dietlein
- Department of Medical Oncology, Dana-Faber Cancer Institute, Boston, MA, 02215, USA.,Cancer Program, Broad Institute of MIT and Havard, Cambridge, MA, 02142, USA
| | - Iris Macheleidt
- Institute for Pathology, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany
| | - Alexandra Florin
- Institute for Pathology, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany
| | - Meryem S Ercanoglu
- Institute of Virology, Laboratory of Experimental Immunology, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany
| | | | - Mirjam Koker
- Department I of Internal Medicine, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany
| | - Gisela Schön
- Department I of Internal Medicine, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany
| | - Margarete Odenthal
- Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany.,Institute for Pathology, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany
| | - Florian Klein
- Institute of Virology, Laboratory of Experimental Immunology, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany
| | - Reinhard Büttner
- Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany.,Institute for Pathology, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany.,Center for Integrated Oncology Cologne/Bonn, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany
| | - Johannes H Schulte
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, Berlin, 13353, Germany.,German Cancer Consortium (DKTK Berlin), Berlin, Germany.,Berlin Institute of Health (BIH), Berlin, Germany.,Deutsches Krebsforschungszentrum Heidelberg (DKFZ), Heidelberg, Germany
| | - Lukas C Heukamp
- New Oncology, Gottfried-Hagen-Straße 20, 51105, Cologne, Germany.,Institute for Hematopathology Hamburg, Fangdieckstraße 75a, Hamburg, Germany
| | - Roland T Ullrich
- Department I of Internal Medicine, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany
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28
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Hou X, Du H, Quan X, Shi L, Zhang Q, Wu Y, Liu Y, Xiao J, Li Y, Lu L, Ai X, Zhan M, Yuan S, Sun L. Silibinin Inhibits NSCLC Metastasis by Targeting the EGFR/LOX Pathway. Front Pharmacol 2018; 9:21. [PMID: 29472856 PMCID: PMC5809401 DOI: 10.3389/fphar.2018.00021] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 01/08/2018] [Indexed: 12/16/2022] Open
Abstract
Tumor metastasis is the most lethal and debilitating process that threatens cancer patients. Among the regulators involved in tumor metastasis, lysyl oxidase (LOX) is an important contributor for tumor invasion, migration and the formation of the pre-metastatic niche. Although the relationship between LOX and poor prognosis of lung patients has been preliminary reported, the mechanism remains poorly understood. Here, we found that LOX overexpression is closely related to the survival of lung adenocarcinoma patients but not squamous cell carcinoma patients. Moreover, we confirmed that LOX expression is regulated by the activation of epidermal growth factor receptor (EGFR) via the PI3K/AKT, MEK/ERK, and SAPK/JNK signaling pathways in non-small cell lung cancer (NSCLC). Meanwhile, the study also suggested that the traditional anti-fibrosis drug silibinin inhibited NSCLC cell migration in an EGFR/LOX dependent manner. In addition, an orthotopic implantation metastasis model also confirmed that the EGFR inhibitor WZ4002 and silibinin decreased tumor metastasis through the EGFR/LOX pathway. Altogether, this study revealed that LOX expression is regulated by the EGFR pathway and this may account for the anti-cancer metastasis effects of silibinin, indicating LOX as a potentially therapeutic target for NSCLC treatment.
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Affiliation(s)
- Xiaoying Hou
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Hongzhi Du
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Xingping Quan
- Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing, China
| | - Lei Shi
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
| | - Qianqian Zhang
- School of Pharmaceutical, Lanzhou University, Lanzhou, China
| | - Yao Wu
- Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing, China
| | - Yang Liu
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Jing Xiao
- Center of Intervention Radiology, Zhuhai Precision Medicine Center, Zhuhai People's Hospital, Zhuhai, China
| | - Yong Li
- Center of Intervention Radiology, Zhuhai Precision Medicine Center, Zhuhai People's Hospital, Zhuhai, China
| | - Ligong Lu
- Center of Intervention Radiology, Zhuhai Precision Medicine Center, Zhuhai People's Hospital, Zhuhai, China
| | - Xun Ai
- Department of Molecular Biophysics and Physiology, Rush University Medical Center, Chicago, IL, United States
| | - Meixiao Zhan
- Center of Intervention Radiology, Zhuhai Precision Medicine Center, Zhuhai People's Hospital, Zhuhai, China
| | - Shengtao Yuan
- Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing, China
| | - Li Sun
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
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29
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Bosch-Barrera J, Sais E, Cañete N, Marruecos J, Cuyàs E, Izquierdo A, Porta R, Haro M, Brunet J, Pedraza S, Menendez JA. Response of brain metastasis from lung cancer patients to an oral nutraceutical product containing silibinin. Oncotarget 2017; 7:32006-14. [PMID: 26959886 PMCID: PMC5077992 DOI: 10.18632/oncotarget.7900] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 02/21/2016] [Indexed: 12/31/2022] Open
Abstract
Despite multimodal treatment approaches, the prognosis of brain metastases (BM) from non-small cell lung cancer (NSCLC) remains poor. Untreated patients with BM have a median survival of about 1 month, with almost all patients dying from neurological causes. We herein present the first report describing the response of BM from NSCLC patients to an oral nutraceutical product containing silibinin, a flavonoid extracted from the seeds of the milk thistle. We present evidence of how the use of the silibinin-based nutraceutical Legasil® resulted in significant clinical and radiological improvement of BM from NSCLC patients with poor performance status that progressed after whole brain radiotherapy and chemotherapy. The suppressive effects of silibinin on progressive BM, which involved a marked reduction of the peritumoral brain edema, occurred without affecting the primary lung tumor outgrowth in NSCLC patients. Because BM patients have an impaired survival prognosis and are in need for an immediate tumor control, the combination of brain radiotherapy with silibinin-based nutraceuticals might not only alleviate BM edema but also prove local control and time for either classical chemotherapeutics with immunostimulatory effects or new immunotherapeutic agents such as checkpoint blockers to reveal their full therapeutic potential in NSCLC BM patients. New studies aimed to illuminate the mechanistic aspects underlying the regulatory effects of silibinin on the cellular and molecular pathobiology of BM might expedite the entry of new formulations of silibinin into clinical testing for progressive BM from lung cancer patients.
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Affiliation(s)
- Joaquim Bosch-Barrera
- Department of Medical Oncology, Catalan Institute of Oncology, Doctor Josep Trueta University Hospital, Girona, Spain.,Girona Biomedical Research Institute (IDIBGi), Girona, Spain.,Department of Medical Sciences, Medical School, University of Girona, Girona, Spain
| | - Elia Sais
- Department of Medical Oncology, Catalan Institute of Oncology, Doctor Josep Trueta University Hospital, Girona, Spain
| | - Noemí Cañete
- Girona Biomedical Research Institute (IDIBGi), Girona, Spain.,Department of Radiology, Diagnostic Imaging Institute, Doctor Josep Trueta University Hospital, Girona, Spain
| | - Jordi Marruecos
- Girona Biomedical Research Institute (IDIBGi), Girona, Spain.,Department of Radiotherapy, Catalan Institute of Oncology, Doctor Josep Trueta University Hospital, Girona, Spain
| | - Elisabet Cuyàs
- Girona Biomedical Research Institute (IDIBGi), Girona, Spain.,ProCURE (Program Against Cancer Therapeutic Resistance), Metabolism and Cancer Group, Catalan Institute of Oncology, Girona, Spain
| | - Angel Izquierdo
- Department of Medical Oncology, Catalan Institute of Oncology, Doctor Josep Trueta University Hospital, Girona, Spain.,Girona Biomedical Research Institute (IDIBGi), Girona, Spain.,Department of Medical Sciences, Medical School, University of Girona, Girona, Spain
| | - Rut Porta
- Department of Medical Oncology, Catalan Institute of Oncology, Doctor Josep Trueta University Hospital, Girona, Spain.,Girona Biomedical Research Institute (IDIBGi), Girona, Spain.,Department of Medical Sciences, Medical School, University of Girona, Girona, Spain
| | - Manel Haro
- Girona Biomedical Research Institute (IDIBGi), Girona, Spain.,Department of Medical Sciences, Medical School, University of Girona, Girona, Spain.,Department of Pneumology, Doctor Josep Trueta University Hospital, Girona, Spain
| | - Joan Brunet
- Department of Medical Oncology, Catalan Institute of Oncology, Doctor Josep Trueta University Hospital, Girona, Spain.,Girona Biomedical Research Institute (IDIBGi), Girona, Spain.,Department of Medical Sciences, Medical School, University of Girona, Girona, Spain
| | - Salvador Pedraza
- Girona Biomedical Research Institute (IDIBGi), Girona, Spain.,Department of Medical Sciences, Medical School, University of Girona, Girona, Spain.,Department of Radiology, Diagnostic Imaging Institute, Doctor Josep Trueta University Hospital, Girona, Spain
| | - Javier A Menendez
- Girona Biomedical Research Institute (IDIBGi), Girona, Spain.,ProCURE (Program Against Cancer Therapeutic Resistance), Metabolism and Cancer Group, Catalan Institute of Oncology, Girona, Spain
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30
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Targeting epithelial-mesenchymal plasticity in cancer: clinical and preclinical advances in therapy and monitoring. Biochem J 2017; 474:3269-3306. [PMID: 28931648 DOI: 10.1042/bcj20160782] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 08/01/2017] [Accepted: 08/07/2017] [Indexed: 02/07/2023]
Abstract
The concept of epithelial-mesenchymal plasticity (EMP), which describes the dynamic flux within the spectrum of phenotypic states that invasive carcinoma cells may reside, is being increasingly recognised for its role in cancer progression and therapy resistance. The myriad of events that are able to induce EMP, as well as the more recently characterised control loops, results in dynamic transitions of cancerous epithelial cells to more mesenchymal-like phenotypes through an epithelial-mesenchymal transition (EMT), as well as the reverse transition from mesenchymal phenotypes to an epithelial one. The significance of EMP, in its ability to drive local invasion, generate cancer stem cells and facilitate metastasis by the dissemination of circulating tumour cells (CTCs), highlights its importance as a targetable programme to combat cancer morbidity and mortality. The focus of this review is to consolidate the existing knowledge on the strategies currently in development to combat cancer progression via inhibition of specific facets of EMP. The prevalence of relapse due to therapy resistance and metastatic propensity that EMP endows should be considered when designing therapy regimes, and such therapies should synergise with existing chemotherapeutics to benefit efficacy. To further improve upon EMP-targeted therapies, it is imperative to devise monitoring strategies to assess the impact of such treatments on EMP-related phenomenon such as CTC burden, chemosensitivity/-resistance and micrometastasis in patients.
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31
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Amawi H, Hussein NA, Karthikeyan C, Manivannan E, Wisner A, Williams FE, Samuel T, Trivedi P, Ashby CR, Tiwari AK. HM015k, a Novel Silybin Derivative, Multi-Targets Metastatic Ovarian Cancer Cells and Is Safe in Zebrafish Toxicity Studies. Front Pharmacol 2017; 8:498. [PMID: 28824426 PMCID: PMC5539246 DOI: 10.3389/fphar.2017.00498] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 07/13/2017] [Indexed: 12/18/2022] Open
Abstract
This study was designed to determine the in vitro mechanisms by which the novel silybin derivative, (E)-3-(3-(benzyloxy) phenyl)-1-(4-hydroxyphenyl)prop-2-en-1-one (HM015k or 15k), produces its anticancer efficacy in ovarian cancer cells. Compound 15k induced apoptosis in ovarian cancer cells in a time-dependent manner by significantly upregulating the expression of Bax and Bak and downregulating the expression of Bcl-2. Interestingly, 15k induced the cleavage of Bax p21 into its more efficacious cleaved form, Bax p18. In addition, caspase 3 and caspase 9 were cleaved to their active forms, inducing the cleavage of poly ADP ribose polymerase (PARP) and β-catenin. Furthermore, in OV2008 cells, 15k induced significant cleavage in nuclear β-catenin to primarily inactive fragments of lower molecular weight. Furthermore, 15k reversed the metastatic potential of OV2008 cells by inhibiting their migration and invasiveness. The mesenchymal phenotype in OV2008 was reversed by 15k, causing cells to be rounder with epithelial-like phenotypes. The 15k-induced reversal was further confirmed by significant upregulation of the E-cadherin expression, an epithelial marker, while N-cadherin, a mesenchymal marker, was downregulated in OV2008 cells. Compound 15k inhibited the expression of the oncogenic c-Myc protein, downregulated proteins DVL3 and DVL2 and significantly upregulated cyclin B1. Also, 15k significantly downregulated the expression levels of ABCG2 and ABCB1 transporters in resistant ABCG2 overexpressing H460/MX20 and resistant ABCB1 overexpressing MDCK/MDR1 cells, respectively. Finally, 15k was safe in zebrafish in vivo model at concentrations up to 10 μM and induced no major toxicities in cardiac, morphology and swimming position parameters. Overall, 15k is a multi-targeted inhibitor with efficacy against metastatic and resistant ovarian cancer. Future in vivo studies will be conducted to determine the efficacy of 15k in tumor-bearing animals.
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Affiliation(s)
- Haneen Amawi
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of ToledoToledo, OH, United States
| | - Noor A Hussein
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of ToledoToledo, OH, United States
| | | | | | - Alexander Wisner
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of ToledoToledo, OH, United States
| | - Frederick E Williams
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of ToledoToledo, OH, United States
| | - Temesgen Samuel
- Department of Pathobiology, School of Veterinary Medicine, Tuskegee UniversityTuskegee, AL, United States
| | - Piyush Trivedi
- School of Pharmaceutical Sciences, Rajiv Gandhi Proudyogiki VishwavidyalayaBhopal, India
| | - Charles R Ashby
- Pharmaceutical Sciences, College of Pharmacy, St. John's University QueensNew York, NY, United States
| | - Amit K Tiwari
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of ToledoToledo, OH, United States
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32
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Sun Y, Guan Z, Zhao W, Jiang Y, Li Q, Cheng Y, Xu Y. Silibinin suppresses bladder cancer cell malignancy and chemoresistance in an NF-κB signal-dependent and signal-independent manner. Int J Oncol 2017; 51:1219-1226. [PMID: 28791405 DOI: 10.3892/ijo.2017.4089] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 07/26/2017] [Indexed: 11/05/2022] Open
Abstract
Because bladder cancer (BCa) is the 9th most common malignant tumor and 13th leading cause of death due to cancer, therapeutic approaches have attracted a great deal of attention from both clinicians and BCa patients. Although the development of surgery and targeted drugs has brought new challenges for the traditional concept of BCa therapy, various types of chemotherapy remain the final treatment method for many BCa patients. However, chemoresistance inevitably appears, leading to the failure of chemotherapy. Silibinin, a polyphenolic flavonoid component isolated from the fruits or seeds of milk thistle, has been reported to play important roles in inhibiting tumor chemoresistance in breast cancer and head and neck squamous cell carcinomas. Our previous study indicated that silibinin inhibited BCa progression in some mechanisms but with no conclusion of chemoresistance inhibition. Therefore, in the present study, we dissected the role of silibinin in BCa progression and chemoresistance. Our results revealed that in BCa, chemodrug-induced chemoresistance was reversed in the presence of silibinin. Further mechanistic study indicated that silibinin suppressed chemoresistance and BCa malignancy in an NF-κB-dependent and -independent manner. In addition, all of the inhibitory effects were dose‑dependent. Thus, our results provide a potential use for silibinin in BCa therapeutics.
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Affiliation(s)
- Yi Sun
- Department of Urology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Zhenfeng Guan
- Department of Urology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Wencai Zhao
- Department of Urology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Yazhuo Jiang
- Department of Urology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Qing Li
- Department of Urology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Yongyi Cheng
- Department of Urology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Yonggang Xu
- Department of Urology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
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He SJ, Xiang CQ, Zhang Y, Lu XT, Chen HW, Xiong LX. Recent progress on the effects of microRNAs and natural products on tumor epithelial-mesenchymal transition. Onco Targets Ther 2017; 10:3435-3451. [PMID: 28744148 PMCID: PMC5513877 DOI: 10.2147/ott.s139546] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Epithelial–mesenchymal transition (EMT) is a biological process of phenotypic transition of epithelial cells that can promote physiological development as well as tissue healing and repair. In recent years, cancer researchers have noted that EMT is closely related to the occurrence and development of tumors. When tumor cells undergo EMT, they can develop enhanced migration and local tissue invasion abilities, which can lead to metastatic growth. Nevertheless, two researches in NATURE deny its necessity in specific tumors and that is discussed in this review. The degree of EMT and the detection of EMT-associated marker molecules can also be used to judge the risk of metastasis and to evaluate patients’ prognosis. MicroRNAs (miRNAs) are noncoding small RNAs, which can inhibit gene expression and protein translation through specific binding with the 3′ untranslated region of mRNA. In this review, we summarize the miRNAs that are reported to influence EMT through transcription factors such as ZEB, SNAIL, and TWIST, as well as some natural products that regulate EMT in tumors. Moreover, mutual inhibition occurs between some transcription factors and miRNAs, and these effects appear to occur in a complex regulatory network. Thus, understanding the role of miRNAs in EMT and tumor growth may lead to new treatments for malignancies. Natural products can also be combined with conventional chemotherapy to enhance curative effects.
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Affiliation(s)
- Shu-Jin He
- Department of Pathophysiology, Medical College, Nanchang University.,Second Clinical Medical College, Nanchang University
| | - Chu-Qi Xiang
- Department of Pathophysiology, Medical College, Nanchang University.,First Clinical Medical College, Nanchang University
| | - Yu Zhang
- First Clinical Medical College, Nanchang University
| | - Xiang-Tong Lu
- Department of Pathophysiology, Medical College, Nanchang University
| | - Hou-Wen Chen
- Department of Pathophysiology, Medical College, Nanchang University.,Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang, People's Republic of China
| | - Li-Xia Xiong
- Department of Pathophysiology, Medical College, Nanchang University.,Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang, People's Republic of China
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34
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Bosch-Barrera J, Queralt B, Menendez JA. Targeting STAT3 with silibinin to improve cancer therapeutics. Cancer Treat Rev 2017; 58:61-69. [DOI: 10.1016/j.ctrv.2017.06.003] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Accepted: 06/15/2017] [Indexed: 02/08/2023]
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35
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Cuyàs E, Pérez-Sánchez A, Micol V, Menendez JA, Bosch-Barrera J. STAT3-targeted treatment with silibinin overcomes the acquired resistance to crizotinib in ALK-rearranged lung cancer. Cell Cycle 2016; 15:3413-3418. [PMID: 27753543 DOI: 10.1080/15384101.2016.1245249] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
The signal transducer and activator of transcription 3 (STAT3) has been suggested to play a prominent role in mediating non-small-cell lung cancer (NSCLC) resistance to some tyrosine kinase inhibitor (TKI)-mediated therapies. Using a model of anaplastic lymphoma kinase gene (ALK)-translocated NSCLC with acquired resistance to the ALK TKI crizotinib, but lacking amplifications or mutations in the kinase domain of ALK, we herein present evidence that STAT3 activation is a novel mechanism of crizotinib resistance that involves the upregulation of immune escape and epithelial to mesenchymal transition (EMT) signaling pathways. Taking advantage of the flavonolignan silibinin as a naturally occurring STAT3-targeted pharmacological inhibitor, we confirmed that STAT3 activation protects ALK-translocated NSCLC from crizotinib. Accordingly, silibinin-induced inhibition of STAT3 worked synergistically with crizotinib to reverse acquired resistance and restore sensitivity in crizotinib-resistant cells. Moreover, silibinin treatment significantly inhibited the upregulation of the immune checkpoint regulator PD-L1 and also EMT regulators (e.g., SLUG, VIM, CD44) in crizotinib-refractory cells. These findings provide a valuable strategy to potentially improve the efficacy of ALK inhibition by cotreatment with silibinin-based therapeutics, which merit clinical investigation for ALK TKI-resistant NSCLC patients.
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Affiliation(s)
- Elisabet Cuyàs
- a Program Against Cancer Therapeutic Resistance (ProCURE), Metabolism and Cancer Group, Catalan Institute of Oncology , Girona , Catalonia , Spain.,b Molecular Oncology Group, Girona Biomedical Research Institute (IDIBGI) , Girona , Spain
| | | | - Vicente Micol
- c Molecular and Cell Biology Institute, Miguel Hernández University , Elche , Spain
| | - Javier A Menendez
- a Program Against Cancer Therapeutic Resistance (ProCURE), Metabolism and Cancer Group, Catalan Institute of Oncology , Girona , Catalonia , Spain.,b Molecular Oncology Group, Girona Biomedical Research Institute (IDIBGI) , Girona , Spain
| | - Joaquim Bosch-Barrera
- b Molecular Oncology Group, Girona Biomedical Research Institute (IDIBGI) , Girona , Spain.,d Deparment of Medical Oncology , Catalan Institute of Oncology , Girona , Catalonia , Spain.,e Department of Medical Sciences , Medical School, University of Girona , Girona , Spain
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36
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Hussain SS, Kumar AP, Ghosh R. Food-based natural products for cancer management: Is the whole greater than the sum of the parts? Semin Cancer Biol 2016; 40-41:233-246. [PMID: 27397504 PMCID: PMC5067244 DOI: 10.1016/j.semcancer.2016.06.002] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 06/17/2016] [Accepted: 06/23/2016] [Indexed: 02/08/2023]
Abstract
The rise in cancer incidence and mortality in developing countries together with the human and financial cost of current cancer therapy mandates a closer look at alternative ways to overcome this burgeoning global healthcare problem. Epidemiological evidence for the association between cancer and diet and the long latency of most cancer progression have led to active exploration of whole and isolated natural chemicals from different naturally occurring substances in various preclinical and clinical settings. In general the lack of systemic toxicities of most 'whole' and 'isolated' natural compounds, their potential to reduce toxic doses and potential to delay the development of drug-resistance makes them promising candidates for cancer management. This review article examines the suggested molecular mechanisms affected by these substances focusing to a large extent on prostate cancer and deliberates on the disparate results obtained from cell culture, preclinical and clinical studies in an effort to highlight the use of whole extracts and isolated constituents for intervention. As such these studies underscore the importance of factors such as treatment duration, bioavailability, route of administration, selection criteria, standardized formulation and clinical end points in clinical trial design with both entities. Overall lack of parallel comparison studies between the whole natural products and their isolated compounds limits decisive conclusions regarding the superior utility of one over the other. We suggest the critical need for rigorous comparative research to identify which one of the two or both entities from nature would be best qualified to take on the mantle of cancer management.
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Affiliation(s)
- Suleman S Hussain
- Department of Urology, School of Medicine, University of Texas Health Science Center, San Antonio, TX 78229, USA; Department of Pharmacology, School of Medicine, University of Texas Health Science Center, San Antonio, TX 78229, USA
| | - Addanki P Kumar
- Department of Urology, School of Medicine, University of Texas Health Science Center, San Antonio, TX 78229, USA; Department of Pharmacology, School of Medicine, University of Texas Health Science Center, San Antonio, TX 78229, USA; Department of Molecular Medicine, School of Medicine, University of Texas Health Science Center, San Antonio, TX 78229, USA; Cancer Therapy and Research Center, School of Medicine, University of Texas Health Science Center, San Antonio, TX 78229, USA; South Texas Veterans Health Care System, San Antonio, TX 78229, USA.
| | - Rita Ghosh
- Department of Urology, School of Medicine, University of Texas Health Science Center, San Antonio, TX 78229, USA; Department of Pharmacology, School of Medicine, University of Texas Health Science Center, San Antonio, TX 78229, USA; Department of Molecular Medicine, School of Medicine, University of Texas Health Science Center, San Antonio, TX 78229, USA; Cancer Therapy and Research Center, School of Medicine, University of Texas Health Science Center, San Antonio, TX 78229, USA.
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37
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Chang YC, Jan CI, Peng CY, Lai YC, Hu FW, Yu CC. Activation of microRNA-494-targeting Bmi1 and ADAM10 by silibinin ablates cancer stemness and predicts favourable prognostic value in head and neck squamous cell carcinomas. Oncotarget 2016; 6:24002-16. [PMID: 26090866 PMCID: PMC4695166 DOI: 10.18632/oncotarget.4365] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 05/30/2015] [Indexed: 12/24/2022] Open
Abstract
Tumor initiating cells (TICs) possessing cancer stemness were shown to be enriched after therapy, resulting in the relapse and metastasis of head and neck squamous cell carcinomas (HNC). An effective therapeutic approach suppressing the HNC-TICs would be a potential method to improve the treatments for HNC. We observed that the treatment of silibinin (SB) dose dependently down-regulated the ALDH1 activity, CD133 positivity, stemness signatures expression, self-renewal property, and chemoresistance in ALDH1+CD44+ HNC-TICs. Using miRNA-microarray and mechanistic studies, SB increased the expression of microRNA-494 (miR-494) and both Bmi1 and ADAM10 were identified as the novel targets of miR-494. Moreover, overexpression of miR-494 results in a reduction in cancer stemness. However, knockdown of miR-494 in CD44−ALDH1−non-HNC-TICs enhanced cancer stemness and oncogenicity, while co-knockdown of Bmi1 and ADAM10 effectively reversed these phenomena. Mice model showed that SB treatment by oral gavage to xenograft tumors reduced tumor growth and prolonged the survival time of tumor-bearing mice by activation of miR-494-inhibiting Bmi1/ADAM10 expression. Survival analysis indicated that a miR494highBmi1lowADAM10low phenotype predicted a favourable clinical outcome. We conclude that the inhibition of tumor aggressiveness in HNC-TICs by SB was mediated by up-regulation miR-494, suggesting that SB would be a valuable anti-cancer drug for treatment of HNC.
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Affiliation(s)
- Yu-Chao Chang
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan.,Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan.,Oral Medicine Research Center, Chung Shan Medical University, Taichung, Taiwan
| | - Chia-Ing Jan
- Department of Pathology, China Medical University Hospital, Taichung, Taiwan.,Department of Pathology, China Medical University Beigang Hospital, Yunlin, Taiwan
| | - Chih-Yu Peng
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan.,Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan.,Oral Medicine Research Center, Chung Shan Medical University, Taichung, Taiwan
| | - Yu-Chi Lai
- Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan
| | - Fang-Wei Hu
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan.,Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan.,Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan.,Oral Medicine Research Center, Chung Shan Medical University, Taichung, Taiwan
| | - Cheng-Chia Yu
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan.,Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan.,Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan.,Oral Medicine Research Center, Chung Shan Medical University, Taichung, Taiwan
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38
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Biersack B. Current state of phenolic and terpenoidal dietary factors and natural products as non-coding RNA/microRNA modulators for improved cancer therapy and prevention. Noncoding RNA Res 2016; 1:12-34. [PMID: 30159408 PMCID: PMC6096431 DOI: 10.1016/j.ncrna.2016.07.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 07/20/2016] [Accepted: 07/20/2016] [Indexed: 02/06/2023] Open
Abstract
The epigenetic regulation of cancer cells by small non-coding RNA molecules, the microRNAs (miRNAs), has raised particular interest in the field of oncology. These miRNAs play crucial roles concerning pathogenic properties of cancer cells and the sensitivity of cancer cells towards anticancer drugs. Certain miRNAs are responsible for an enhanced activity of drugs, while others lead to the formation of tumor resistance. In addition, miRNAs regulate survival and proliferation of cancer cells, in particular of cancer stem-like cells (CSCs), that are especially drug-resistant and, thus, cause tumor relapse in many cases. Various small molecule compounds were discovered that target miRNAs that are known to modulate tumor aggressiveness and drug resistance. This review comprises the effects of naturally occurring small molecules (phenolic compounds and terpenoids) on miRNAs involved in cancer diseases.
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Key Words
- 1,25-D, 1,25-dihydroxyvitamin D3
- 18-AGA, 18α-glycyrrhetinic acid
- 3,6-DHF, 3,6-dihydroxyflavone
- AKBA, 3-acetyl-11-keto-β-boswellic acid
- Anticancer drugs
- CAPE, caffeic acid phenethyl ester
- CDODA-Me, methyl 2-cyano-3,11-dioxo-18β-olean-1,12-dien-30-oate
- Dox, doxorubicin
- EGCG, (−)-epigallocatechin-3-O-gallate
- MicroRNA
- PEG, polyethylene glycol
- PPAP, polycyclic polyprenylated acylphloroglucinol
- Polyphenols
- RA, retinoic acid
- ROS, reactive oxygen species
- TQ, thymoquinone
- Terpenes
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Affiliation(s)
- Bernhard Biersack
- Organic Chemistry Laboratory, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
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39
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Systematic identification of novel biomarker signatures associated with acquired erlotinib resistance in cancer cells. Mol Cell Toxicol 2016. [DOI: 10.1007/s13273-016-0018-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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40
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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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41
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Zadeh MM, Motamed N, Ranji N, Majidi M, Falahi F. Silibinin-Induced Apoptosis and Downregulation of MicroRNA-21 and MicroRNA-155 in MCF-7 Human Breast Cancer Cells. J Breast Cancer 2016; 19:45-52. [PMID: 27066095 PMCID: PMC4822106 DOI: 10.4048/jbc.2016.19.1.45] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Accepted: 12/14/2015] [Indexed: 12/11/2022] Open
Abstract
Purpose MicroRNAs (miRNAs) have received much attention owing to their aberrant expression in various stages of cancer. In many biological processes, miRNAs negatively regulate gene expression, and may be useful in therapeutic strategies. The present study evaluated the effects of silibinin (silybin), a natural flavonoid, on miRNA expression and attempted to elucidate therapeutic targets in MCF-7 breast cancer cells. Methods The rates of cell proliferation and apoptosis were determined in silibinin-treated and untreated MCF-7 cells. Furthermore, the expression levels of miR-21 and miR-155 were measured in MCF-7 cells after incubation with silibinin (100 µg/mL), and the putative targets of the miRNAs within the apoptotic pathways were predicted using bioinformatic approaches. The expression levels of some of these targets were evaluated by quantitative reverse transcription polymerase chain reaction (qRT-PCR). Results Silibinin induced apoptosis in MCF-7 cells in a dose- and time-dependent manner. qRT-PCR analysis revealed a decrease in miR-21 and miR-155 expression levels in silibinin-treated cells relative to the levels in the untreated cells. Potential miR-21 and miR-155 targets within the apoptotic pathways, such as CASP-9, BID, APAF-1, CASP-3, CASP-8, and PDCD4, were predicted by in silico analysis. qRT-PCR analysis showed upregulation of some of these potential targets including caspase-9 (CASP-9) and BID after silibinin treatment for 48 hours. Conclusion Our results suggest a correlation between the expression of miR-21 and miR-155, and MCF-7 cell proliferation. The antiproliferative activity of silibinin may partly be attributable to the downregulation of miR-21 and miR-155, and the upregulation of their apoptotic targets. Furthermore, the upregulation of CASP-9 and BID indicates that silibinin induces apoptosis through both the extrinsic and intrinsic pathways.
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Affiliation(s)
- Masoud Maleki Zadeh
- Department of Cell & Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Nasrin Motamed
- Department of Cell & Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Najmeh Ranji
- Department of Genetics, College of Science, Rasht Branch, Islamic Azad University, Rasht, Iran
| | - Mohammad Majidi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Fahimeh Falahi
- Cancer Epigenetics Group, Harry Perkins Institute of Medical Research & School of Anatomy, Physiology and Human Biology, The University of Western Australia, Perth, Australia
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Ren Y, Zhou X, Liu X, Jia HH, Zhao XH, Wang QX, Han L, Song X, Zhu ZY, Sun T, Jiao HX, Tian WP, Yang YQ, Zhao XL, Zhang L, Mei M, Kang CS. Reprogramming carcinoma associated fibroblasts by AC1MMYR2 impedes tumor metastasis and improves chemotherapy efficacy. Cancer Lett 2016; 374:96-106. [PMID: 26872723 DOI: 10.1016/j.canlet.2016.02.003] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 02/01/2016] [Accepted: 02/01/2016] [Indexed: 12/09/2022]
Abstract
Carcinoma associated fibroblasts (CAFs) produce a nutrient-rich microenvironment to fuel tumor progression and metastasis. Reactive oxygen species (ROS) levels and the inflammation pathway co-operate to transform CAFs. Therefore, elucidating the mechanism mediating the activity of CAFs might identify novel therapies. Abnormal miR-21 expression was reported to be involved in the conversion of resident fibroblasts to CAFs, yet the factor that drives transformation was poorly understood. Here, we reported that high miR-21 expression was strongly associated with lymph node metastasis in breast cancer, and the activation of the miR-21/NF-кB was required for the metastatic promoting effect of CAFs. AC1MMYR2, a small molecule inhibitor of miR-21, attenuated NF-кB activity by directly targeting VHL, thereby blocking the co-precipitation of NF-кB and ß-catenin and nuclear translocation. Taxol failed to constrain the aggressive behavior of cancer cells stimulated by CAFs, whereas AC1MMYR2 plus taxol significantly suppressed tumor migration and invasion ability. Remodeling and depolarization of F-actin, decreased levels of β-catenin and vimentin, and increased E-cadherin were also detected in the combination therapy. Furthermore, reduced levels of FAP-α and α-SMA were observed, suggesting that AC1MMYR2 was competent to reprogram CAFs via the NF-кB/miR-21/VHL axis. Strikingly, a significant reduction of tumor growth and lung metastasis was observed in the combination treated mice. Taken together, our findings identified miR-21 as a critical mediator of metastasis in breast cancer through the tumor environment. AC1MMYR2 may be translated into the clinic and developed as a more personalized and effective neoadjuvant treatment for patients to reduce metastasis and improve the chemotherapy response.
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Affiliation(s)
- Yu Ren
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China; Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China; Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Tianjin 300052, China
| | - Xuan Zhou
- Department of Head and Neck, Tianjin Cancer Institute and Hospital, Tianjin 300060, China
| | - Xia Liu
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Huan-Huan Jia
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Xiao-Hui Zhao
- Department of Obstetrics and Gynecology, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Qi-Xue Wang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China; Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Tianjin 300052, China
| | - Lei Han
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China; Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Tianjin 300052, China
| | - Xin Song
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Zhi-Yan Zhu
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Ting Sun
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Hong-Xiao Jiao
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Wei-Ping Tian
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Yu-Qi Yang
- Department of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Xiu-Lan Zhao
- Department of Pathology, Tianjin Medical University, Tianjin 300070, China
| | - Lun Zhang
- Department of Head and Neck, Tianjin Cancer Institute and Hospital, Tianjin 300060, China
| | - Mei Mei
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China.
| | - Chun-Sheng Kang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China; Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Tianjin 300052, China.
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Choe C, Shin YS, Kim C, Choi SJ, Lee J, Kim SY, Cho YB, Kim J. Crosstalk with cancer-associated fibroblasts induces resistance of non-small cell lung cancer cells to epidermal growth factor receptor tyrosine kinase inhibition. Onco Targets Ther 2015; 8:3665-78. [PMID: 26676152 PMCID: PMC4676617 DOI: 10.2147/ott.s89659] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Although lung cancers with activating mutations in the epidermal growth factor receptor (EGFR) are highly sensitive to selective EGFR tyrosine kinase inhibitors (TKIs), these tumors invariably develop acquired drug resistance. Host stromal cells have been found to have a considerable effect on the sensitivity of cancer cells to EGFR TKIs. Little is known, however, about the signaling mechanisms through which stromal cells contribute to the response to EGFR TKI in non-small cell lung cancer. This work examined the role of hedgehog signaling in cancer-associated fibroblast (CAF)-mediated resistance of lung cancer cells to the EGFR TKI erlotinib. PC9 cells, non-small cell lung cancer cells with EGFR-activating mutations, became resistant to the EGFR TKI erlotinib when cocultured in vitro with CAFs. Polymerase chain reaction and immunocytochemical assays showed that CAFs induced epithelial to mesenchymal transition phenotype in PC9 cells, with an associated change in the expression of epithelial to mesenchymal transition marker proteins including vimentin. Importantly, CAFs induce upregulation of the 7-transmembrane protein smoothened, the central signal transducer of hedgehog, suggesting that the hedgehog signaling pathway is active in CAF-mediated drug resistance. Indeed, downregulation of smoothened activity with the smoothened antagonist cyclopamine induces remodeling of the actin cytoskeleton independently of Gli-mediated transcriptional activity in PC9 cells. These findings indicate that crosstalk with CAFs plays a critical role in resistance of lung cancer to EGFR TKIs through induction of the epithelial to mesenchymal transition and may be an ideal therapeutic target in lung cancer.
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Affiliation(s)
- Chungyoul Choe
- Samsung Biomedical Research Institute, Samsung Medical Center Sungkyunkwan University, School of Medicine, Seoul, Republic of Korea
| | - Yong-Sung Shin
- Samsung Biomedical Research Institute, Samsung Medical Center Sungkyunkwan University, School of Medicine, Seoul, Republic of Korea
| | - Changhoon Kim
- Department of Biomedical Science, Graduate School of Biomedical & Engineering, Hanyang University, Seoul, Republic of Korea
| | - So-Jung Choi
- Samsung Biomedical Research Institute, Samsung Medical Center Sungkyunkwan University, School of Medicine, Seoul, Republic of Korea
| | - Jinseon Lee
- Samsung Biomedical Research Institute, Samsung Medical Center Sungkyunkwan University, School of Medicine, Seoul, Republic of Korea
| | - So Young Kim
- Samsung Biomedical Research Institute, Samsung Medical Center Sungkyunkwan University, School of Medicine, Seoul, Republic of Korea
| | - Yong Beom Cho
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, Republic of Korea
| | - Jhingook Kim
- Samsung Biomedical Research Institute, Samsung Medical Center Sungkyunkwan University, School of Medicine, Seoul, Republic of Korea ; Department of Thoracic Surgery, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, Republic of Korea
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Sowa T, Menju T, Sonobe M, Nakanishi T, Shikuma K, Imamura N, Motoyama H, Hijiya K, Aoyama A, Chen F, Sato T, Kobayashi M, Yoshizawa A, Haga H, Sozu T, Date H. Association between epithelial-mesenchymal transition and cancer stemness and their effect on the prognosis of lung adenocarcinoma. Cancer Med 2015; 4:1853-62. [PMID: 26471868 PMCID: PMC5123719 DOI: 10.1002/cam4.556] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 09/23/2015] [Accepted: 09/08/2015] [Indexed: 02/06/2023] Open
Abstract
The epithelial-mesenchymal transition (EMT) and cancer stemness (CS) are reported to be pivotal phenomena involved in metastasis, recurrence, and drug-resistance in lung cancer; however, their effects on tumor malignancy in clinical settings are not completely understood. The mutual association between these factors also remains elusive and are worthy of investigation. The purpose of this study was to elucidate the association between EMT and CS, and their effect on the prognosis of patients with lung adenocarcinoma. A total of 239 lung adenocarcinoma specimens were collected from patients who had undergone surgery at Kyoto University Hospital from January 2001 to December 2007. Both EMT (E-cadherin,vimentin) and CS (CD133, CD44, aldehyde dehydrogenase) markers were analyzed through immunostaining of tumor specimens. The association between EMT and CS as well as the patients' clinical information was integrated and statistically analyzed. The molecular expression of E-cadherin, vimentin, and CD133 were significantly correlated with prognosis (P = 0.003, P = 0.005, and P < 0.001). A negative correlation was found between E-cadherin and vimentin expression (P < 0.001), whereas, a positive correlation was found between vimentin and CD133 expression (P = 0.020). CD133 was a stronger prognostic factor than an EMT marker. Elevated CD133 expression is the signature marker of EMT and CS association in lung adenocarcinoma. EMT and CS are associated in lung adenocarcinoma. Importantly, CD133 is suggested to be the key factor that links EMT and CS, thereby exacerbating tumor progression.
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Affiliation(s)
- Terumasa Sowa
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Toshi Menju
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Makoto Sonobe
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Takao Nakanishi
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Kei Shikuma
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Naoto Imamura
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Hideki Motoyama
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Kyoko Hijiya
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Akihiro Aoyama
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Fengshi Chen
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Toshihiko Sato
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
| | - Masashi Kobayashi
- Department of Thoracic SurgeryTokyo Medical and Dental UniversityTokyoJapan
| | - Akihiko Yoshizawa
- Department of Diagnostic PathologyKyoto University HospitalKyotoJapan
| | - Hironori Haga
- Department of Diagnostic PathologyKyoto University HospitalKyotoJapan
| | - Takashi Sozu
- Department of Management ScienceFaculty of EngineeringTokyo University of ScienceTokyoJapan
| | - Hiroshi Date
- Department of Thoracic SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan
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Emerging Roles of MicroRNAs in EGFR-Targeted Therapies for Lung Cancer. BIOMED RESEARCH INTERNATIONAL 2015; 2015:672759. [PMID: 26273639 PMCID: PMC4529918 DOI: 10.1155/2015/672759] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 05/20/2015] [Indexed: 01/20/2023]
Abstract
Lung cancer is a leading cause of cancer mortality worldwide. Several molecular pathways underlying mechanisms of this disease have been partly elucidated, among which the epidermal growth factor receptor (EGFR) pathway is one of the well-known signaling cascades that plays a critical role in tumorigenesis. Dysregulation of the EGFR signaling is frequently found in lung cancer. The strategies to effectively inhibit EGFR signaling pathway have been mounted for developing anticancer therapeutic agents. However, most anti-EGFR-targeted agents fail to repress cancer progression because of developing drug-resistance. Therefore, studies of the mechanisms underpinning the resistance toward anti-EGFR agents may provide important findings for lung cancer treatment using anti-EGFR therapies. Recently, increasing numbers of miRNAs are correlated with the drug resistance of lung cancer cells to anti-EGFR agents, indicating that miRNAs may serve as novel targets and/or promising predictive biomarkers for anti-EGFR therapy. In this paper, we summarize the emerging role of miRNAs as regulators to modulate the EGFR signaling and the resistance of lung cancer cells to anti-EGFR therapy. We also highlight the evidence supporting the use of miRNAs as biomarkers for response to anti-EGFR agents and as novel therapeutic targets to circumvent the resistance of lung cancer cells to EGFR inhibitors.
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46
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Hu LH, Ji JT, Li ZS. Potential application of miRNAs as diagnostic and therapeutic tools in chronic pancreatitis. J Cell Mol Med 2015; 19:2049-57. [PMID: 26149296 PMCID: PMC4568909 DOI: 10.1111/jcmm.12603] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Accepted: 03/25/2015] [Indexed: 02/06/2023] Open
Abstract
Chronic pancreatitis (CP) is a progressive inflammatory disease typified by end-stage fibrosis. This disease can also increase the risk of pancreatic cancer. The associated diagnosis, pain and other complications further add to the burden of disease management. In recent years, significant progress has been achieved in identifying miRNAs and their physiological functions, including mRNA repression and protein expression control. Given the extensive effort made on miRNA research, a close correlation has been discovered between certain types of miRNAs and disease progression, particularly for tissue fibrosis. Designing miRNA-related tools for disease diagnosis and therapeutic treatments presents a novel and potential research frontier. In the current review, we discuss various miRNAs closely interacting with CP, as well as the possible development of targeted miRNA therapies in managing this disease.
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Affiliation(s)
- Liang-Hao Hu
- Department of Gastroenterology, Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - Jun-Tao Ji
- Department of Gastroenterology, Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - Zhao-Shen Li
- Department of Gastroenterology, Changhai Hospital, The Second Military Medical University, Shanghai, China
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47
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Daga A, Ansari A, Patel S, Mirza S, Rawal R, Umrania V. Current Drugs and Drug Targets in Non-Small Cell Lung Cancer: Limitations and Opportunities. Asian Pac J Cancer Prev 2015; 16:4147-56. [DOI: 10.7314/apjcp.2015.16.10.4147] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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48
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Silibinin and STAT3: A natural way of targeting transcription factors for cancer therapy. Cancer Treat Rev 2015; 41:540-6. [PMID: 25944486 DOI: 10.1016/j.ctrv.2015.04.008] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Revised: 04/19/2015] [Accepted: 04/20/2015] [Indexed: 12/11/2022]
Abstract
Signal transducer and activator of transcription 3 (STAT3) is constitutively activated in many different types of cancer and plays a pivotal role in tumor growth and metastasis. Retrospective studies have established that STAT3 expression or phospho-STAT3 (pSTAT3 or activated STAT3) are poor prognostic markers for breast, colon, prostate and non-small cell lung cancer. Silibinin or silybin is a natural polyphenolic flavonoid which is present in seed extracts of milk thistle (Silybum marianum). Silibinin has been shown to inhibit multiple cancer cell signaling pathways in preclinical models, demonstrating promising anticancer effects in vitro and in vivo. This review summarizes evidence suggesting that silibinin can inhibit pSTAT3 in preclinical cancer models. We also discuss current strategies to overcome the limitations of oral administration of silibinin to cancer patients to translate the bench results to the bed side. Finally, we review the ongoing clinical trials exploring the role of silibinin in cancer.
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49
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Langevin SM, Kratzke RA, Kelsey KT. Epigenetics of lung cancer. Transl Res 2015; 165:74-90. [PMID: 24686037 PMCID: PMC4162853 DOI: 10.1016/j.trsl.2014.03.001] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 02/25/2014] [Accepted: 03/06/2014] [Indexed: 12/20/2022]
Abstract
Lung cancer is the leading cause of cancer-related mortality in the United States. Epigenetic alterations, including DNA methylation, histone modifications, and noncoding RNA expression, have been reported widely in the literature to play a major role in the genesis of lung cancer. The goal of this review is to summarize the common epigenetic changes associated with lung cancer to give some clarity to its etiology, and to provide an overview of the potential translational applications of these changes, including applications for early detection, diagnosis, prognostication, and therapeutics.
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Affiliation(s)
- Scott M Langevin
- Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Robert A Kratzke
- Division of Hematology, Oncology, and Transplantation, Department of Medicine, University of Minnesota Medical School, Minneapolis, Minn
| | - Karl T Kelsey
- Department of Epidemiology, Brown University, Providence, RI; Department of Pathology and Laboratory Medicine, Brown University, Providence, RI.
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50
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Cheng N, Li X, Zhao C, Ren S, Chen X, Cai W, Zhao M, Zhang Y, Li J, Wang Q, Zhou C. Microarray expression profile of long non-coding RNAs in EGFR-TKIs resistance of human non-small cell lung cancer. Oncol Rep 2014; 33:833-9. [PMID: 25482516 DOI: 10.3892/or.2014.3643] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Accepted: 11/07/2014] [Indexed: 11/05/2022] Open
Abstract
The application of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) is limited by drug resistance in non-small cell lung cancer (NSCLC). Long non-coding RNAs (lncRNAs) are known to be involved in tumor development and metastasis, as well as chemotherapy resistance. To gain insight into the molecular mechanisms of EGFR-TKIs resistance, EGFR-TKIs‑sensitive and ‑resistant human lung cancer cells were analyzed by lncRNA microarray. In the present study, we found a total of 22,587 lncRNAs expressed in lung cancer cells. Of these, the expression level of 1,731 lncRNAs was upregulated >2-fold compared with gefitinib-sensitive cells while that of 2,936 was downregulated. Bioinformatics analysis (GO and pathway analyses) revealed that some classical pathways participating in cell proliferation and apoptosis were aberrantly expressed in these cells (P-value cut-off was 0.05). Enhancer-like lncRNAs and their nearby coding genes were analyzed. Six lncRNAs were identified as potential enhancers. Several lncRNAs were validated in lung cancer cell lines using RT-qPCR. To the best of our knowledge, the results showed for the first time that differentially expressed lncRNAs responded to EGFR-TKIs resistance in NSCLC cells. LncRNAs may therefore be novel candidate biomarkers and potential targets for EGFR-TKIs therapy in the future.
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Affiliation(s)
- Ningning Cheng
- Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University, Tongji University Medical School Cancer Institute, Shanghai 200433, P.R. China
| | - Xuefei Li
- Department of Lung Cancer and Immunology, Shanghai Pulmonary Hospital, Tongji University, Tongji University Medical School Cancer Institute, Shanghai 200433, P.R. China
| | - Chao Zhao
- Department of Lung Cancer and Immunology, Shanghai Pulmonary Hospital, Tongji University, Tongji University Medical School Cancer Institute, Shanghai 200433, P.R. China
| | - Shengxiang Ren
- Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University, Tongji University Medical School Cancer Institute, Shanghai 200433, P.R. China
| | - Xiaoxia Chen
- Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University, Tongji University Medical School Cancer Institute, Shanghai 200433, P.R. China
| | - Weijing Cai
- Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University, Tongji University Medical School Cancer Institute, Shanghai 200433, P.R. China
| | - Mingchuan Zhao
- Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University, Tongji University Medical School Cancer Institute, Shanghai 200433, P.R. China
| | - Yishi Zhang
- Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University, Tongji University Medical School Cancer Institute, Shanghai 200433, P.R. China
| | - Jiayu Li
- Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University, Tongji University Medical School Cancer Institute, Shanghai 200433, P.R. China
| | - Qi Wang
- Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University, Tongji University Medical School Cancer Institute, Shanghai 200433, P.R. China
| | - Caicun Zhou
- Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University, Tongji University Medical School Cancer Institute, Shanghai 200433, P.R. China
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