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Wang X, Ding R, Fu Z, Yang M, Li D, Zhou Y, Qin C, Zhang W, Si L, Zhang J, Chai Y. Overexpression of miR-506-3p reversed doxorubicin resistance in drug-resistant osteosarcoma cells. Front Pharmacol 2024; 15:1303732. [PMID: 38420199 PMCID: PMC10899521 DOI: 10.3389/fphar.2024.1303732] [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: 09/28/2023] [Accepted: 01/25/2024] [Indexed: 03/02/2024] Open
Abstract
Background and objective: Osteosarcoma is a common primary malignant tumor of bone, and doxorubicin is one of the most widely used therapeutic drugs. While the problem of doxorubicin resistance limits the long-term treatment benefits in osteosarcoma patients. The role of miRNAs and their target genes in osteosarcoma have become increasingly prominent. Currently, there is no report on miR-506-3p reversing doxorubicin resistance by targeting STAT3 in osteosarcoma. The purpose of this study was to investigate the molecular mechanism that overexpression of miR-506-3p reverses doxorubicin resistance in drug-resistant osteosarcoma cells. Methods: Doxorubicin-resistant osteosarcoma cells (U-2OS/Dox) were constructed by intermittent stepwise increasing stoichiometry. The target genes of miR-506-3p were predicted by bioinformatics approach and the targeting relationship between miR-506-3p and STAT3 was detected using dual luciferase reporter assay. U-2OS/Dox cells were treated with miR-506-3p overexpression and STAT3 silencing respectively. Then Western blot and RT-qPCR were used to detect the protein and mRNA expression levels of JAK2/STAT3 signaling pathway, drug-resistant and apoptotic associated molecules. The migration and invasion were assessed by cell scratch assay and transwell assay. The cell proliferative viability and apoptosis were investigated by CCK8 assay and flow cytometry assay. Results: U-2OS/Dox cells were successfully constructed with a 14.4-fold resistance. MiR-506-3p is directly bound to the 3'-UTR of STAT3 mRNA. Compared with U-2OS cells, the mRNA expression of miR-506-3p was reduced in U-2OS/Dox cells. Overexpression of miR-506-3p decreased the mRNA expression levels of JAK2, STAT3, MDR1/ABCB1, MRP1/ABCC1, Survivin and Bcl-2, and decreased the protein expression levels of p-JAK2, STAT3, MDR1/ABCB1, MRP1/ABCC1, Survivin and Bcl-2, and conversely increased Bax expression. It also inhibited the proliferation, migration and invasion of U-2OS/Dox cells and promoted cells apoptosis. The results of STAT3 silencing experiments in the above indicators were consistent with that of miR-506-3p overexpression. Conclusion: Overexpression of miR-506-3p could inhibit the JAK2/STAT3 pathway and the malignant biological behaviors, then further reverse doxorubicin resistance in drug-resistant osteosarcoma cells. The study reported a new molecular mechanism for reversing the resistance of osteosarcoma to doxorubicin chemotherapy and provided theoretical support for solving the clinical problems of doxorubicin resistance in osteosarcoma.
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Affiliation(s)
- Xinru Wang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Rumeng Ding
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhe Fu
- Department of General Surgery, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Meng Yang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Duolu Li
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yubing Zhou
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Chongzhen Qin
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Wenda Zhang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Liuzhe Si
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Jingmin Zhang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yuna Chai
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Hashemi M, Razzazan M, Bagheri M, Asadi S, Jamali B, Khalafi M, Azimi A, Rad S, Behroozaghdam M, Nabavi N, Rashidi M, Dehkhoda F, Taheriazam A, Entezari M. Versatile function of AMPK signaling in osteosarcoma: An old player with new emerging carcinogenic functions. Pathol Res Pract 2023; 251:154849. [PMID: 37837858 DOI: 10.1016/j.prp.2023.154849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/01/2023] [Accepted: 10/02/2023] [Indexed: 10/16/2023]
Abstract
AMP-activated protein kinase (AMPK) signaling has a versatile role in Osteosarcoma (OS), an aggressive bone malignancy with a poor prognosis, particularly in cases that have metastasized or recurred. This review explores the regulatory mechanisms, functional roles, and therapeutic applications of AMPK signaling in OS. It focuses on the molecular activation of AMPK and its interactions with cellular processes like proliferation, apoptosis, and metabolism. The uncertain role of AMPK in cancer is also discussed, highlighting its potential as both a tumor suppressor and a contributor to carcinogenesis. The therapeutic potential of targeting AMPK signaling in OS treatment is examined, including direct and indirect activators like metformin, A-769662, resveratrol, and salicylate. Further research is needed to determine dosing, toxicities, and molecular mechanisms responsible for the anti-osteosarcoma effects of these compounds. This review underscores the complex involvement of AMPK signaling in OS and emphasizes the need for a comprehensive understanding of its molecular mechanisms. By elucidating the role of AMPK in OS, the aim is to pave the way for innovative therapeutic approaches that target this pathway, ultimately improving the prognosis and quality of life for OS patients.
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Affiliation(s)
- Mehrdad Hashemi
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mehrnaz Razzazan
- Medical Student, Student Research Committee, Golestan University of Medical Sciences, Gorgan, Iran
| | - Maryam Bagheri
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Saba Asadi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Behdokht Jamali
- Department of Microbiology and Genetics, Kherad Institute of Higher Education, Bushehr, lran
| | - Maryam Khalafi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics,Faculty of Medicine, Islamic Azad University, Kish International Branch, Kish, Iran
| | - Abolfazl Azimi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics,Faculty of Medicine, Islamic Azad University, Kish International Branch, Kish, Iran
| | - Sepideh Rad
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics,Faculty of Medicine, Islamic Azad University, Kish International Branch, Kish, Iran
| | - Mitra Behroozaghdam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Noushin Nabavi
- Department of Urologic Sciences and Vancouver Prostate Centre, University of British Columbia, Vancouver, BC V6H3Z6, Canada
| | - Mohsen Rashidi
- The Health of Plant and Livestock Products Research Center, Mazandaran University of Medical Sciences, Sari, Iran; Department Pharmacology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Farshid Dehkhoda
- Department of Orthopedics, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Orthopedics, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Maliheh Entezari
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
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3
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Liu CL, Ho TL, Fang SY, Guo JH, Wu CY, Fong YC, Liaw CC, Tang CH. Ugonin L inhibits osteoclast formation and promotes osteoclast apoptosis by inhibiting the MAPK and NF-κB pathways. Biomed Pharmacother 2023; 166:115392. [PMID: 37651802 DOI: 10.1016/j.biopha.2023.115392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/24/2023] [Accepted: 08/26/2023] [Indexed: 09/02/2023] Open
Abstract
Bone loss is a major issue for patients with osteoporosis, arthritis, periodontitis, and bone metastasis; however, anti-resorption drugs used to treat bone loss have been linked to a variety of adverse effects. Helminthostachys zeylanica (L.) Hook, belonging to the family Ophioglossaceae, is commonly used in traditional Chinese medicine to treat inflammation and liver problems. In the current study, ugonin L extracted from H. zeylanica was shown to reduce the receptor activator of nuclear factor kappa beta ligand (RANKL)-induced osteoclastogenesis in RAW264.7 cells in a concentration-dependent manner. Ugonin L treatment also inhibited the mRNA expression of osteoclast markers. Ugonin L was also shown to promote cell apoptosis in mature osteoclasts and suppress RANKL-induced ERK, p38, JNK, and NF-κB activation. Taken together, ugonin L appears to be a promising candidate for the development of novel anti-resorption therapies.
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Affiliation(s)
- Chun-Lin Liu
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan; Department of Neurosurgery, China Medical University Hospital, Taichung, Taiwan
| | - Trung-Loc Ho
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Shuen-Yih Fang
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Jeng-Hung Guo
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan; Department of Neurosurgery, China Medical University Hospital, Taichung, Taiwan
| | - Chih-Ying Wu
- Department of Neurosurgery, China Medical University Hospital, Taichung, Taiwan; Graduate Institute of Integrated Medicine, China Medical University, Taiwan; Department of Neurosurgery, China Medical University Hsinchu Hospital, Hsinchu, Taiwan
| | - Yi-Chin Fong
- Department of Sports Medicine, College of Health Care, China Medical University, Taichung, Taiwan; Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan; Department of Orthopedic Surgery, China Medical University Beigang Hospital, Yunlin, Taiwan
| | - Chih-Chuang Liaw
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan; Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Chih-Hsin Tang
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan; Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan; Chinese Medicine Research Center, China Medical University, Taichung, Taiwan; Department of Medical Laboratory Science and Biotechnology, College of Medical and Health Science, Asia University, Taichung, Taiwan; Department of Medical Research, China Medical University Hsinchu Hospital, Hsinchu, Taiwan.
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4
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Huang M, Wang H, Mackey C, Chung MC, Guan J, Zheng G, Roy A, Xie M, Vulpe C, Tang X. YAP at the Crossroads of Biomechanics and Drug Resistance in Human Cancer. Int J Mol Sci 2023; 24:12491. [PMID: 37569866 PMCID: PMC10419175 DOI: 10.3390/ijms241512491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 07/30/2023] [Accepted: 08/04/2023] [Indexed: 08/13/2023] Open
Abstract
Biomechanical forces are of fundamental importance in biology, diseases, and medicine. Mechanobiology is an emerging interdisciplinary field that studies how biological mechanisms are regulated by biomechanical forces and how physical principles can be leveraged to innovate new therapeutic strategies. This article reviews state-of-the-art mechanobiology knowledge about the yes-associated protein (YAP), a key mechanosensitive protein, and its roles in the development of drug resistance in human cancer. Specifically, the article discusses three topics: how YAP is mechanically regulated in living cells; the molecular mechanobiology mechanisms by which YAP, along with other functional pathways, influences drug resistance of cancer cells (particularly lung cancer cells); and finally, how the mechanical regulation of YAP can influence drug resistance and vice versa. By integrating these topics, we present a unified framework that has the potential to bring theoretical insights into the design of novel mechanomedicines and advance next-generation cancer therapies to suppress tumor progression and metastasis.
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Affiliation(s)
- Miao Huang
- Department of Mechanical and Aerospace Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL 32611, USA
- UF Health Cancer Center, University of Florida, Gainesville, FL 32610, USA
| | - Heyang Wang
- Department of Mechanical and Aerospace Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL 32611, USA
- UF Health Cancer Center, University of Florida, Gainesville, FL 32610, USA
| | - Cole Mackey
- Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL 32603, USA
| | - Michael C. Chung
- Department of Physics, University of Florida, Gainesville, FL 32611, USA
| | - Juan Guan
- UF Health Cancer Center, University of Florida, Gainesville, FL 32610, USA
- Department of Physics, University of Florida, Gainesville, FL 32611, USA
| | - Guangrong Zheng
- UF Health Cancer Center, University of Florida, Gainesville, FL 32610, USA
- Department of Medicinal Chemistry, University of Florida, Gainesville, FL 32603, USA
| | - Arkaprava Roy
- Department of Biostatistics, University of Florida, Gainesville, FL 32603, USA
| | - Mingyi Xie
- Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL 32603, USA
| | - Christopher Vulpe
- Department of Physiological Sciences, University of Florida, Gainesville, FL 32603, USA
| | - Xin Tang
- Department of Mechanical and Aerospace Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL 32611, USA
- UF Health Cancer Center, University of Florida, Gainesville, FL 32610, USA
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5
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Todosenko N, Khlusov I, Yurova K, Khaziakhmatova O, Litvinova L. Signal Pathways and microRNAs in Osteosarcoma Growth and the Dual Role of Mesenchymal Stem Cells in Oncogenesis. Int J Mol Sci 2023; 24:ijms24108993. [PMID: 37240338 DOI: 10.3390/ijms24108993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/10/2023] [Accepted: 05/15/2023] [Indexed: 05/28/2023] Open
Abstract
The major challenges in Osteosarcoma (OS) therapy are its heterogeneity and drug resistance. The development of new therapeutic approaches to overcome the major growth mechanisms of OS is urgently needed. The search for specific molecular targets and promising innovative approaches in OS therapy, including drug delivery methods, is an urgent problem. Modern regenerative medicine focuses on harnessing the potential of mesenchymal stem cells (MSCs) because they have low immunogenicity. MSCs are important cells that have received considerable attention in cancer research. Currently, new cell-based methods for using MSCs in medicine are being actively investigated and tested, especially as carriers for chemotherapeutics, nanoparticles, and photosensitizers. However, despite the inexhaustible regenerative potential and known anticancer properties of MSCs, they may trigger the development and progression of bone tumors. A better understanding of the complex cellular and molecular mechanisms of OS pathogenesis is essential to identify novel molecular effectors involved in oncogenesis. The current review focuses on signaling pathways and miRNAs involved in the development of OS and describes the role of MSCs in oncogenesis and their potential for antitumor cell-based therapy.
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Affiliation(s)
- Natalia Todosenko
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia
| | - Igor Khlusov
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia
- Laboratory of Cellular and Microfluidic Technologies, Siberian State Medical University, 2, Moskovskii Trakt, 634050 Tomsk, Russia
| | - Kristina Yurova
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia
| | - Olga Khaziakhmatova
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia
| | - Larisa Litvinova
- Center for Immunology and Cellular Biotechnology, Immanuel Kant Baltic Federal University, 236001 Kaliningrad, Russia
- Laboratory of Cellular and Microfluidic Technologies, Siberian State Medical University, 2, Moskovskii Trakt, 634050 Tomsk, Russia
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6
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Zeng Y, Yin L, Zhou J, Zeng R, Xiao Y, Black AR, Hu T, Singh PK, Yin F, Batra SK, Yu F, Chen Y, Dong J. MARK2 regulates chemotherapeutic responses through class IIa HDAC-YAP axis in pancreatic cancer. Oncogene 2022; 41:3859-3875. [PMID: 35780183 PMCID: PMC9339507 DOI: 10.1038/s41388-022-02399-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 06/17/2022] [Accepted: 06/22/2022] [Indexed: 01/04/2023]
Abstract
Despite paclitaxel's wide use in cancer treatment, patient response rate is still low and drug resistance is a major clinical obstacle. Through a Phos-tag-based kinome-wide screen, we identified MARK2 as a critical regulator for paclitaxel chemosensitivity in PDAC. We show that MARK2 is phosphorylated by CDK1 in response to antitubulin chemotherapeutics and in unperturbed mitosis. Phosphorylation is essential for MARK2 in regulating mitotic progression and paclitaxel cytotoxicity in PDAC cells. Mechanistically, our findings also suggest that MARK2 controls paclitaxel chemosensitivity by regulating class IIa HDACs. MARK2 directly phosphorylates HDAC4 specifically during antitubulin treatment. Phosphorylated HDAC4 promotes YAP activation and controls expression of YAP target genes induced by paclitaxel. Importantly, combination of HDAC inhibition and paclitaxel overcomes chemoresistance in organoid culture and preclinical PDAC animal models. The expression levels of MARK2, HDACs, and YAP are upregulated and positively correlated in PDAC patients. Inhibition of MARK2 or class IIa HDACs potentiates paclitaxel cytotoxicity by inducing mitotic abnormalities in PDAC cells. Together, our findings identify the MARK2-HDAC axis as a druggable target for overcoming chemoresistance in PDAC.
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Affiliation(s)
- Yongji Zeng
- Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Ling Yin
- Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Jiuli Zhou
- Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Renya Zeng
- Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Yi Xiao
- Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Adrian R Black
- Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Tuo Hu
- Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Pankaj K Singh
- Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Feng Yin
- Department of Pathology and Anatomic Sciences, University of Missouri, Columbia, MO, USA
| | - Surinder K Batra
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Fang Yu
- Department of Biostatistics, College of Public Health, University of Nebraska Medical Center, Omaha, NE, USA
| | - Yuanhong Chen
- Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Jixin Dong
- Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA.
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Zhang Y, Wang X, Zhou X. Functions of Yes-association protein (YAP) in cancer progression and anticancer therapy resistance. BRAIN SCIENCE ADVANCES 2022. [DOI: 10.26599/bsa.2022.9050008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
The Hippo pathway, a highly conserved kinase cascade, regulates cell proliferation, apoptosis, organ size, and tissue homeostasis. Dysregulation of this pathway reportedly plays an important role in the progression of various human cancers. Yes-association protein (YAP), the Hippo pathway’s core effector, is considered a marker for cancer therapy and patient prognosis. In addition, studies have indicated that YAP is involved in promoting anticancer drug resistance. This review summarizes current knowledge on YAP’s role in cancer progression, anticancer drug resistance, and advances in the development of YAP-targeting drugs. A thorough understanding of the complex interactions among molecular, cellular, and environmental factors concerning YAP function in cancer progression may provide new insight into the underlying mechanism of anticancer drug resistance. It might lead to improved prognosis through novel combined therapies.
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Affiliation(s)
- Yu Zhang
- Institute of Nervous System Diseases, Xuzhou Medical University, Xuzhou 221002, Jiangsu, China
- Department of Neurosurgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, Jiangsu, China
- These authors contributed equally to this work
| | - Xiang Wang
- Institute of Nervous System Diseases, Xuzhou Medical University, Xuzhou 221002, Jiangsu, China
- The Graduate School, Xuzhou Medical University, Xuzhou 221002, Jiangsu, China
- These authors contributed equally to this work
| | - Xiuping Zhou
- Institute of Nervous System Diseases, Xuzhou Medical University, Xuzhou 221002, Jiangsu, China
- Department of Neurosurgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, Jiangsu, China
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CCL4 Stimulates Cell Migration in Human Osteosarcoma via the mir-3927-3p/Integrin αvβ3 Axis. Int J Mol Sci 2021; 22:ijms222312737. [PMID: 34884541 PMCID: PMC8657600 DOI: 10.3390/ijms222312737] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/18/2021] [Accepted: 11/23/2021] [Indexed: 01/05/2023] Open
Abstract
Osteosarcoma is the most common type of primary malignant bone cancer, and it is associated with high rates of pulmonary metastasis. Integrin αvβ3 is critical for osteosarcoma cell migratory and invasive abilities. Chemokine (C-C motif) ligand 4 (CCL4) has diverse effects on different cancer cells through its interaction with its specific receptor, C-C chemokine receptor type 5 (CCR5). Analysis of mRNA expression in human osteosarcoma tissue identified upregulated levels of CCL4, integrin αv and β3 expression. Similarly, an analysis of records from the Gene Expression Omnibus (GEO) dataset showed that CCL4 was upregulated in human osteosarcoma tissue. Importantly, the expression of both CCL4 and integrin αvβ3 correlated positively with osteosarcoma clinical stages and lung metastasis. Analysis of osteosarcoma cell lines identified that CCL4 promotes integrin αvβ3 expression and cell migration by activating the focal adhesion kinase (FAK), protein kinase B (AKT), and hypoxia inducible factor 1 subunit alpha (HIF-1α) signaling pathways, which can downregulate microRNA-3927-3p expression. Pharmacological inhibition of CCR5 by maraviroc (MVC) prevented increases in integrin αvβ3 expression and cell migration. This study is the first to implicate CCL4 as a potential target in the treatment of metastatic osteosarcoma.
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Wang M, Li XZ, Zhang MX, Ye QY, Chen YX, Chang X. Atractylenolide-I Sensitizes Triple-Negative Breast Cancer Cells to Paclitaxel by Blocking CTGF Expression and Fibroblast Activation. Front Oncol 2021; 11:738534. [PMID: 34692516 PMCID: PMC8526898 DOI: 10.3389/fonc.2021.738534] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/20/2021] [Indexed: 12/18/2022] Open
Abstract
This investigation was conducted to elucidate whether atractylenolide-I (ATL-1), which is the main component of Atractylodes macrocephala Koidz, can sensitize triple-negative breast cancer (TNBC) cells to paclitaxel and investigate the possible mechanism involved. We discovered that ATL-1 could inhibit tumor cell migration and increase the sensitivity of tumor cells to paclitaxel. ATL-1 downregulated the expression and secretion of CTGF in TNBC cells. Apart from inhibiting TNBC cell migration via CTGF, ATL-1 downregulated the expression of CTGF in fibroblasts and decreased the ability of breast cancer cells to transform fibroblasts into cancer-associated fibroblasts (CAFs), which in turn increased the sensitivity of TNBC cells to paclitaxel. In a mouse model, we found that ATL-1 treatments could enhance the chemotherapeutic effect of paclitaxel on tumors and reduce tumor metastasis to the lungs and liver. Primary cultured fibroblasts derived from inoculated tumors in mice treated with ATL-1 combined with paclitaxel expressed relatively low levels of CAF markers. Collectively, our data indicate that ATL-1 can sensitize TNBC cells to paclitaxel by blocking CTGF expression and fibroblast activation and could be helpful in future research to determine the value of ATL-1 in the clinical setting.
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Affiliation(s)
- Meng Wang
- First Department of Surgery, Panyu Hospital of Chinese Medicine, Guangzhou, China
| | - Xue-Zhen Li
- Department of Breast Surgery, Guangdong Second Hospital of Traditional Chinese Medicine, Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ming-Xing Zhang
- Department of Mammary Disease, Panyu Hospital of Chinese Medicine, Guangzhou, China
| | - Qian-Yu Ye
- Department of Mammary Disease, Panyu Hospital of Chinese Medicine, Guangzhou, China
| | - Ying-Xia Chen
- Department of Mammary Disease, Panyu Hospital of Chinese Medicine, Guangzhou, China
| | - Xu Chang
- Department of Mammary Disease, Panyu Hospital of Chinese Medicine, Guangzhou, China
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CCN proteins in the musculoskeletal system: current understanding and challenges in physiology and pathology. J Cell Commun Signal 2021; 15:545-566. [PMID: 34228239 PMCID: PMC8642527 DOI: 10.1007/s12079-021-00631-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/14/2021] [Indexed: 02/07/2023] Open
Abstract
The acronym for the CCN family was recently revised to represent “cellular communication network”. These six, small, cysteine-enriched and evolutionarily conserved proteins are secreted matricellular proteins, that convey and modulate intercellular communication by interacting with structural proteins, signalling factors and cell surface receptors. Their role in the development and physiology of musculoskeletal system, constituted by connective tissues where cells are interspersed in the cellular matrix, has been broadly studied. Previous research has highlighted a crucial balance of CCN proteins in mesenchymal stem cell commitment and a pivotal role for CCN1, CCN2 and their alter ego CCN3 in chondrogenesis and osteogenesis; CCN4 plays a minor role and the role of CCN5 and CCN6 is still unclear. CCN proteins also participate in osteoclastogenesis and myogenesis. In adult life, CCN proteins serve as mechanosensory proteins in the musculoskeletal system providing a steady response to environmental stimuli and participating in fracture healing. Substantial evidence also supports the involvement of CCN proteins in inflammatory pathologies, such as osteoarthritis and rheumatoid arthritis, as well as in cancers affecting the musculoskeletal system and bone metastasis. These matricellular proteins indeed show involvement in inflammation and cancer, thus representing intriguing therapeutic targets. This review discusses the current understanding of CCN proteins in the musculoskeletal system as well as the controversies and challenges associated with their multiple and complex roles, and it aims to link the dispersed knowledge in an effort to stimulate and guide readers to an area that the writers consider to have significant impact and relevant potentialities.
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Atranones from Stachybotrys chartarum and their antitumor activities in MG-63 human osteosarcoma cells. Fitoterapia 2020; 146:104727. [PMID: 32950600 DOI: 10.1016/j.fitote.2020.104727] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 09/10/2020] [Accepted: 09/12/2020] [Indexed: 11/23/2022]
Abstract
Two new atranones T and U (1 and 2), and three known analogues atranone B (3), atranone Q (4), and stachatranone C (5) were isolated from the toxigenic fungus Stachybotrys chartarum. Their structures and absolute configurations were elucidated by spectroscopic data and calculated ECD analyses. The cytotoxicities of all the atranones (1-5) were evaluated against MG-63 human osteosarcoma cell lines. Compound 4 exhibited significant cytotoxic effect against MG-63 with IC50 value of 8.6 μM, being more active than the positive control, 5-FU (IC50 10.4 μM). Morphological features of apoptosis activities were evaluated in 4-treated MG-63 cells. Compound 4 effectively induced apoptosis of MG-63, which was associated with G0/G1-phase cell cycle arrest. Flow cytometric analysis showed that the treatment by 4 significantly induced MG-63 cell apoptosis in a dose-dependent manner.
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12
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Yuan HT, Li QF, Tian T, Zhang CY, Huang ZQ, Fan CX, Mei K, Zhou J, Zhai XX, Li SB, Zhu JY. Lathyrane diterpenoids from Jatropha podagrica and their antitumor activities in human osteosarcoma cells. Nat Prod Res 2020; 35:5089-5095. [PMID: 32538674 DOI: 10.1080/14786419.2020.1779719] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Two new lathyrane-type diterpenoids, jatropodagins A and B (1 and 2), and five known analogues (3-7), were isolated from the stems of Jatropha podagrica. Their structures and absolute configurations were elucidated by spectroscopic data and calculated ECD analyses. The cytotoxicities of all the lathyrane-type diterpenoids (1-7) were evaluated against two human osteosarcoma cell lines (Saos-2 and MG-63). Compound 1 exhibited significant cytotoxic effects against Saos-2 and MG-63 with IC50 values of 8.08 and 14.64 μM, respectively. The IC50 values for the positive control 5-FU against the Saos-2 and MG-63 cell lines were 19.01 and 25.00 μM, respectively. Morphological features of apoptosis activities were evaluated in 1-treated Saos-2 cells and the results confirmed apoptosis in a dose-dependent manner.
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Affiliation(s)
- Han-Tao Yuan
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Qun-Feng Li
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Tian Tian
- Shanghai Pudong New Area Hospital of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Chun-Yan Zhang
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Zou-Qin Huang
- Shanghai Pudong New Area Hospital of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Chun-Xiang Fan
- Shanghai Punan Hospital of Pudong New District, Shanghai, P. R. China
| | - Ke Mei
- Dahua Hospital of Xuhui District, Shanghai, P. R. China
| | - Jie Zhou
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Xiao-Xiang Zhai
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Si-Bo Li
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Jian-Yong Zhu
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
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13
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Huang YW, Lin CY, Tsai HC, Fong YC, Han CK, Huang YL, Wu WT, Cheng SP, Chang HC, Liao KW, Wang SW, Tang CH. Amphiregulin promotes cisplatin chemoresistance by upregulating ABCB1 expression in human chondrosarcoma. Aging (Albany NY) 2020; 12:9475-9488. [PMID: 32428872 PMCID: PMC7288968 DOI: 10.18632/aging.103220] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 03/31/2020] [Indexed: 12/21/2022]
Abstract
Chondrosarcomas are well known for their resistance to chemotherapeutic agents, including cisplatin, which is commonly used in chondrosarcomas. Amphiregulin (AR), a ligand of epidermal growth factor receptor (EGFR), plays an important role in drug resistance. We therefore sought to determine the role of AR in cisplatin chemoresistance. We found that AR inhibits cisplatin-induced cell apoptosis and promotes ATP-binding cassette subfamily B member 1 (ABCB1) expression, while knockdown of ABCB1 by small interfering RNA (siRNA) reverses these effects. High phosphoinositide 3-kinase (PI3K), Akt and nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) phosphorylation levels were observed in cisplatin-resistant cells. Pretreating chondrosarcoma cells with PI3K, Akt and NF-κB inhibitors or transfecting the cells with p85, Akt and p65 siRNAs potentiated cisplatin-induced cytotoxicity. In a mouse xenograft model, knockdown of AR expression in chondrosarcoma cells increased the cytotoxic effects of cisplatin and also decreased tumor volume and weight. These results indicate that AR upregulates ABCB1 expression through the PI3K/Akt/NF-κB signaling pathway and thus contributes to cisplatin resistance in chondrosarcoma.
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Affiliation(s)
- Yu-Wen Huang
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Chih-Yang Lin
- Department of Medicine, Mackay Medical College, New Taipei, Taiwan
| | - Hsiao-Chi Tsai
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Yi-Chin Fong
- Department of Sports Medicine, College of Health Care, China Medical University, Taichung, Taiwan.,Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Chien-Kuo Han
- Department of Biotechnology, College of Health Science, Asia University, Taichung, Taiwan
| | - Yuan-Li Huang
- Department of Biotechnology, College of Health Science, Asia University, Taichung, Taiwan
| | - Wen-Tung Wu
- Department of Food Science and Nutrition, Meiho University, Pingtung, Taiwan
| | - Shih-Ping Cheng
- Department of Medicine, Mackay Medical College, New Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Surgery, MacKay Memorial Hospital, Taipei, Taiwan
| | - Hao-Chiun Chang
- Department of Orthopaedics, MacKey Memorial Hospital, Taipei, Taiwan.,Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan
| | - Kuang-Wen Liao
- Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan.,Chinese Medicine Research Center, China Medical University, Taichung, Taiwan
| | - Shih-Wei Wang
- Department of Medicine, Mackay Medical College, New Taipei, Taiwan.,Ph.D. Degree Program of Biomedical Science and Engineering, National Chiao Tung University, Hsinchu City, Taiwan
| | - Chih-Hsin Tang
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,Department of Biotechnology, College of Health Science, Asia University, Taichung, Taiwan.,Ph.D. Degree Program of Biomedical Science and Engineering, National Chiao Tung University, Hsinchu City, Taiwan.,Institute of Molecular Medicine and Bioengineering, National Chiao Tung University, Hsinchu, Taiwan.,Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
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14
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Li J, Wang R, Qin J, Zeng H, Wang K, He Q, Wang D, Wang S. Confocal Raman Spectral Imaging Study of DAPT, a γ-secretase Inhibitor, Induced Physiological and Biochemical Reponses in Osteosarcoma Cells. Int J Med Sci 2020; 17:577-590. [PMID: 32210707 PMCID: PMC7085205 DOI: 10.7150/ijms.43506] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 01/21/2020] [Indexed: 12/22/2022] Open
Abstract
Confocal Raman microspectral imaging was adopted to elucidate the cellular drug responses of osteosarcoma cells (OC) to N-[N-(3, 5-difluorophenyl acetyl)-L-alanyl]-sphenylglycine butyl ester (DAPT), a γ-secretase inhibitor, by identifying the drug induced subcellular compositional and structural changes. Methods: Spectral information were acquired from cultured osteosarcoma cells treated with 0 (Untreated Group, UT), 10 (10 μM DAPT treated, 10T), 20 μM (20 μM DAPT treated, 20T) DAPT for 24 hours. A one-way ANOVA and Tukey's honest significant difference (HSD) post hoc multiple test were sequentially applied to address spectral features among three groups. Multivariate algorithms such as K-means clustering analysis (KCA) and Principal component analysis (PCA) were used to highlight the structural and compositional differences, while, univariate imaging was applied to illustrate the distribution pattern of certain cellular components after drug treatment. Results: Major biochemical changes in DAPT-induced apoptosis came from changes in the content and structure of proteins, lipids, and nucleic acids. By adopted multivariate algorithms, the drug induced cellular changes was identified by the morphology and spectral characteristics between untreated cells and treated cells, testified that DAPT mainly acted in the nuclear region. With the increase of the drug concentration, the content of main subcellular compositions, such nucleic acid, protein, and lipid decreased. In an addition, DAPT-induced nuclear fragmentation and apoptosis was depicted by the univariate Raman image of major cellular components (nucleic acids, proteins and lipids). Conclusions: The achieved Raman spectral and imaging results illustrated detailed DAPT-induced subcellular compositional and structural variations as a function of drug dose. Such observations can not only explain drug therapeutic mechanisms of OC DAPT treatment, and also provide new insights for accessing the medicine curative efficacy and predicting prognosis.
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Affiliation(s)
- Jie Li
- Institute of Photonics and Photon-Technology, Northwest University, Xi'an, Shaanxi 710069, China
| | - Rui Wang
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, China
| | - Jie Qin
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, China
| | - Haishan Zeng
- Imaging Unit - Integrative Oncology Department, BC Cancer Research Center, Vancouver, BC, V5Z1L3, Canada
| | - Kaige Wang
- Institute of Photonics and Photon-Technology, Northwest University, Xi'an, Shaanxi 710069, China
| | - Qingli He
- Department of Physics, Northwest University, Xi'an, Shaanxi 710069, China
| | - Difan Wang
- School of Life, Xidian University, Xi'an, Shaanxi 710071, China
| | - Shuang Wang
- Institute of Photonics and Photon-Technology, Northwest University, Xi'an, Shaanxi 710069, China
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15
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Wen J, Qin Y, Li C, Dai X, Wu T, Yin W. Mangiferin suppresses human metastatic osteosarcoma cell growth by down-regulating the expression of metalloproteinases-1/2 and parathyroid hormone receptor 1. AMB Express 2020; 10:13. [PMID: 31955303 PMCID: PMC6969878 DOI: 10.1186/s13568-020-0949-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 01/06/2020] [Indexed: 11/23/2022] Open
Abstract
The study evaluates the protective effect of mangiferin on osteosarcoma cell proliferation and metastasis. Saos-2 and U2OS cells were treated with mangiferin (25, 50, 75 and 100 µM) for 72 h. Mangiferin reduced the cell viability, invasion, and cell adhesion and migration rate. Matrix metalloproteinases-2/9 (MMP-2/9) mRNA expression was reduced significantly, while the levels of tissue inhibitors of metalloproteinases-1/2 (TIMP-1/2) were elevated in Saos-2 and U2OS cells. Mangiferin treatment significantly reduced parathyroid hormone receptor 1 (PTHR1) mRNA and protein expression by more than 0.5-fold in both osteosarcoma cells. In addition, the immunofluorescent analysis also showed decreased PTHR1 expression following treatment with mangiferin. In summary, we have demonstrated that treatment with mangiferin reduces cell viability, proliferation, invasion, adhesion and migration, and induces apoptosis of osteosarcoma cells. Therefore, treatment with mangiferin can be effective agent in inhibiting growth and inducing apoptosis in osteosarcoma cells. Our experimental results provide evidence for the therapeutic effect of mangiferin in osteosarcoma cells.
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16
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Shimbo A, Kajiyama H, Tamauchi S, Yoshikawa N, Ikeda Y, Nishino K, Suzuki S, Niimi K, Sakata J, Kikkawa F. Expression of connective tissue growth factor as a prognostic indicator and its possible involvement in the aggressive properties of epithelial ovarian carcinoma. Oncol Rep 2019; 42:2323-2332. [PMID: 31578579 PMCID: PMC6826307 DOI: 10.3892/or.2019.7352] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 09/03/2019] [Indexed: 12/27/2022] Open
Abstract
Recently, connective tissue growth factor (CTGF) was demonstrated to be associated with aggressive characteristics, including proliferation, invasion and metastasis, in a number of malignancies. Here, we investigated the expression and function of CTGF in epithelial ovarian carcinoma (EOC) to clarify its molecular mechanism and clinical significance. Paraffin sections from clinical samples of EOC (N=104) were immunostained with the CTGF antibody, and then the staining positivity was semiquantitatively examined. Moreover, we explored the role of CTGF expression in the migration-promoting effect on and chemoresistance of EOC cells. The results revealed that of the 104 EOC patients, the low and high CTGF staining expression rates were 65 (62.5%) and 39 (37.5%), respectively. Patients belonging to the higher-level CTGF group showed poorer progression-free (PFS) and overall survival (OS) rates than those in the lower-level group [PFS (log-rank: P=0.0076) and OS (log-rank: P=0.0078), respectively]. Multivariable analysis showed that CTGF expression was a significant predictor of poorer PFS and OS [PFS: HR (high vs. low): 1.837, 95% CI: 1.023–3.289 (P=0.0418); OS: HR: 2.141, 95% CI: 1.077–4.296 (P=0.0300)]. In in vitro studies, in acquired paclitaxel (PTX)-resistant EOC cells, the silencing of CTGF expression led to the restoration of PTX sensitivity. Furthermore, we confirmed that the TGF-β-dependent migration-promoting effect on these CTGF-depleted cells was completely inhibited. In conclusion, the results of the present study suggest the possible involvement of CTGF in the migration-promoting effect and chemoresistance of EOC, suggesting that it may be a target for overcoming the malignant properties of EOC.
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Affiliation(s)
- Akiko Shimbo
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Nagoya University, Nagoya, Aichi 466‑8550, Japan
| | - Hiroaki Kajiyama
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Nagoya University, Nagoya, Aichi 466‑8550, Japan
| | - Satoshi Tamauchi
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Nagoya University, Nagoya, Aichi 466‑8550, Japan
| | - Nobuhisa Yoshikawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Nagoya University, Nagoya, Aichi 466‑8550, Japan
| | - Yoshiki Ikeda
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Nagoya University, Nagoya, Aichi 466‑8550, Japan
| | - Kimihiro Nishino
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Nagoya University, Nagoya, Aichi 466‑8550, Japan
| | - Shiro Suzuki
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Nagoya University, Nagoya, Aichi 466‑8550, Japan
| | - Kaoru Niimi
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Nagoya University, Nagoya, Aichi 466‑8550, Japan
| | - Jun Sakata
- Department of Gynecology, Graduate School of Medicine, Aichi Cancer Center Hospital, Nagoya, Aichi 464‑8681, Japan
| | - Fumitaka Kikkawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Nagoya University, Nagoya, Aichi 466‑8550, Japan
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17
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Chi Y, Xue J, Huang S, Xiu B, Su Y, Wang W, Guo R, Wang L, Li L, Shao Z, Jin W, Wu Z, Wu J. CapG promotes resistance to paclitaxel in breast cancer through transactivation of PIK3R1/P50. Theranostics 2019; 9:6840-6855. [PMID: 31660072 PMCID: PMC6815964 DOI: 10.7150/thno.36338] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Accepted: 08/03/2019] [Indexed: 12/14/2022] Open
Abstract
Background: Chemotherapy resistance is a major problem in breast cancer treatment and a leading cause of mortality in breast cancer patients. Biomarkers for chemotherapy resistance is under investigation. Methods: Paclitaxel resistant cells were established and subjected to RNA sequencing. Analysis combined with two additional RNA-seq datasets was conducted. CapG expression in patients with adjuvant chemotherapy was studied in breast cancer resection specimens using IHC and related to pathological response and disease-free survival. Paclitaxel resistance was assessed by half-maximal inhibitory concentrations (IC50) and a mouse xenograft model. Results: Increased expression of actin-binding protein CapG strongly correlated with the resistance to paclitaxel chemotherapy and decreased probability to achieve pathological complete response in breast cancer patients. Overexpressing CapG significantly enhanced paclitaxel resistance in breast cancer cells and xenograft tumors. High CapG level also significantly correlated with shorter relapse-free survival as well as hyper-activation of PI3K/Akt signaling in breast cancer patients. Mechanistically, CapG enhanced PIK3R1 expression which led to increased PI3K/Akt activation. Unexpectedly, CapG was found to bind to the variant-specific promoter of PIK3R1/P50 and directly enhance its transcription. We also identified p300/CBP as a transcriptional coregulator of CapG, which is recruited to PIK3R1 promoter through interaction with CapG, thereby increasing PIK3R1/P50 transcription by enhancing histone H3K27 acetylation. Consistently, inhibiting p300/CBP substantially decreased CapG-dependent upregulation of PIK3R1/P50 and subsequent PI3K/Akt activation, resulting in increased sensitivity to paclitaxel treatment in breast cancer cells. Conclusion: High CapG levels may predict poor paclitaxel response in breast cancer patients. Targeting CapG-mediated hyperactivation of PI3K/Akt pathway may mitigate resistance to chemotherapy in breast cancer.
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18
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The Tumor Microenvironment of Pediatric Sarcoma: Mesenchymal Mechanisms Regulating Cell Migration and Metastasis. Curr Oncol Rep 2019; 21:90. [PMID: 31418125 PMCID: PMC6695368 DOI: 10.1007/s11912-019-0839-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW This review presents a selection of regulatory molecules of tumor microenvironmental properties and metastasis. Signaling pathways controlling mesenchymal biology in bone and soft-tissue sarcomas found in children and adolescents are prioritized. RECENT FINDINGS The tumor microenvironment of pediatric tumors is still relatively unexplored. Highlighted findings are mainly on deregulated genes associated with cell adhesion, migration, and tumor cell dissemination. How these processes are involved in a mesenchymal phenotype and metastasis is further discussed in relation to the epithelial to mesenchymal transition (EMT) in epithelial tumors. Cell plasticity is emerging as a concept with impact on tumor behavior. Sarcomas belong to a heterogeneous group of tumors where local recurrence and tumor spread pose major challenges despite intense multimodal treatments. Molecular pathways involved in the metastatic process are currently being characterized, and tumor-regulatory properties of structural components, and infiltrating, non-malignant cell types should be further investigated.
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19
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Nguyen CDK, Yi C. YAP/TAZ Signaling and Resistance to Cancer Therapy. Trends Cancer 2019; 5:283-296. [PMID: 31174841 DOI: 10.1016/j.trecan.2019.02.010] [Citation(s) in RCA: 202] [Impact Index Per Article: 40.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Revised: 12/31/2018] [Accepted: 02/15/2019] [Indexed: 12/23/2022]
Abstract
Drug resistance is a major challenge in cancer treatment. Emerging evidence indicates that deregulation of YAP/TAZ signaling may be a major mechanism of intrinsic and acquired resistance to various targeted and chemotherapies. Moreover, YAP/TAZ-mediated expression of PD-L1 and multiple cytokines is pivotal for tumor immune evasion. While direct inhibitors of YAP/TAZ are still under development, FDA-approved drugs that indirectly block YAP/TAZ activation or critical downstream targets of YAP/TAZ have shown promise in the clinic in reducing therapy resistance. Finally, BET inhibitors, which reportedly block YAP/TAZ-mediated transcription, present another potential venue to overcome YAP/TAZ-induced drug resistance.
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Affiliation(s)
- Chan D K Nguyen
- Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA
| | - Chunling Yi
- Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA.
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20
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Tsai HC, Chang AC, Tsai CH, Huang YL, Gan L, Chen CK, Liu SC, Huang TY, Fong YC, Tang CH. CCN2 promotes drug resistance in osteosarcoma by enhancing ABCG2 expression. J Cell Physiol 2018; 234:9297-9307. [PMID: 30317661 DOI: 10.1002/jcp.27611] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Accepted: 09/24/2018] [Indexed: 02/06/2023]
Abstract
In recent years, osteosarcoma survival rates have failed to improve significantly with conventional treatment modalities because of the development of chemotherapeutic resistance. The human breast cancer resistance protein/ATP binding cassette subfamily G member 2 (BCRP/ABCG2), a member of the ATP-binding cassette family, uses ATP hydrolysis to expel xenobiotics and chemotherapeutics from cells. CCN family member 2 (CCN2) is a secreted protein that modulates the biological function of cancer cells, enhanced ABCG2 protein expression and activation in this study via the α6β1 integrin receptor and increased osteosarcoma cell viability. CCN2 treatment downregulated miR-519d expression, which promoted ABCG2 expression. In a mouse xenograft model, knockdown of CCN2 expression increased the therapeutic effect of doxorubicin, which was reversed by ABCG2 overexpression. Our data show that CCN2 increases ABCG2 expression and promotes drug resistance through the α6β1 integrin receptor, whereas CCN2 downregulates miR-519d. CCN2 inhibition may represent a new therapeutic concept in osteosarcoma.
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Affiliation(s)
- Hsiao-Chi Tsai
- Department of Scientific Education, Qinghai Red Cross Hospital, Qinghai, China
| | - An-Chen Chang
- School of Medicine, China Medical University, Taichung, Taiwan
| | - Chun-Hao Tsai
- School of Medicine, China Medical University, Taichung, Taiwan.,Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Yuan-Li Huang
- Department of Biotechnology, College of Health Science, Asia University, Taichung, Taiwan
| | - Lijun Gan
- Department of Cardiology, Qinghai Red Cross Hospital, Qinghai, China
| | - Chi-Kuan Chen
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan.,Department of Pathology, MacKay Memorial Hospital, Taipei, Taiwan
| | - Shih-Chia Liu
- Department of Orthopaedics, MacKay Memorial Hospital, Taipei, Taiwan
| | - Te-Yang Huang
- Department of Orthopaedics, MacKay Memorial Hospital, Taipei, Taiwan
| | - Yi-Chin Fong
- Department of Orthopedic Surgery, China Medical University Beigang Hospital, Yun-Lin County, Taiwan.,Department of Sports Medicine, College of Health Care, China Medical University, Taichung, Taiwan
| | - Chih-Hsin Tang
- School of Medicine, China Medical University, Taichung, Taiwan.,Department of Biotechnology, College of Health Science, Asia University, Taichung, Taiwan.,Chinese Medicine Research Center, China Medical University, Taichung, Taiwan
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21
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Meng X, Dong X, Wang W, Yang L, Zhang X, Li Y, Chen T, Ma H, Qi D, Su J. Natural Borneol Enhances Paclitaxel-Induced Apoptosis of ESCC Cells by Inactivation of the PI3K/AKT. J Food Sci 2018; 83:1436-1443. [PMID: 29660811 DOI: 10.1111/1750-3841.14143] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 02/26/2018] [Accepted: 03/04/2018] [Indexed: 11/29/2022]
Abstract
Paclitaxel (PTX) has been used in a variety of malignancies for inhibiting tumor development and improving survival. However, its clinical application is limited due to poor solubility, drug resistance, and gastrointestinal reactions. Natural borneol (NB), as a promoter, could help to improve drug absorption. Therefore, the aims of the present study were to investigate the ability of NB to synergize with PTX to induce human esophageal squamous cell carcinoma (ESCC) cells apoptosis and the underlying mechanism of synergistic effects. In this study, our findings showed that NB could effectively synergize with PTX to inhibit the survival of ESCC cells by inducing apoptosis. The molecular mechanism by western blotting elucidated that combination treatment with PTX and NB significantly activated apoptotic pathway by triggering upregulation of cleaved caspase-3 expression and downregulation of survivin and P-AKT expression. These results demonstrated that NB could strongly potentiate PTX-induced apoptosis in ESCC cells through suppressing PI3K/AKT pathway. Thus, the combination therapy with NB and PTX might be a promising treatment strategy for human esophageal cancer. PRACTICAL APPLICATION Esophageal cancer is one of the most common cancers in the world. It has brought about a major public health problem. Many natural agents have been employed in the synergized treatments of esophageal cancer. This study provides a comprehensive way to investigate the ability of borneol to synergize with paclitaxel to induce human esophageal squamous cell carcinoma cells apoptosis and the underlying mechanism of synergistic effects. The research showed that the combination treatment with some natural agents might be a promising treatment strategy for human esophageal cancer.
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Affiliation(s)
- Xiaofeng Meng
- School of Food Science and Engineering, South China Univ. of Technology, Guangzhou, 510640, China.,Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China Univ. of Technology, Guangzhou, 510640, China
| | - Xiaomei Dong
- School of Food Science and Engineering, South China Univ. of Technology, Guangzhou, 510640, China
| | - Wen Wang
- School of Food Science and Engineering, South China Univ. of Technology, Guangzhou, 510640, China.,Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China Univ. of Technology, Guangzhou, 510640, China
| | - Liu Yang
- School of Food Science and Engineering, South China Univ. of Technology, Guangzhou, 510640, China.,Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China Univ. of Technology, Guangzhou, 510640, China
| | - Xia Zhang
- School of Food Science and Engineering, South China Univ. of Technology, Guangzhou, 510640, China.,Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China Univ. of Technology, Guangzhou, 510640, China
| | - Yanfang Li
- Dept. of Nutrition and Food Science, Univ. of Maryland, College Park, MD, 20742, USA
| | - Tianfeng Chen
- Dept. of Chemistry, Jinan Univ., Guangzhou, 510632, China
| | - Hang Ma
- Bioactive Botanical Research Laboratory, Dept. of Biomedical and Pharmaceutical Sciences, College of Pharmacy, Univ. of Rhode Island, Kingston, RI, 02881, USA
| | - Da Qi
- BGI-Shenzhen, Shenzhen, 518083, China
| | - Jianyu Su
- School of Food Science and Engineering, South China Univ. of Technology, Guangzhou, 510640, China.,Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China Univ. of Technology, Guangzhou, 510640, China.,Dept. of Nutrition and Food Science, Univ. of Maryland, College Park, MD, 20742, USA
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22
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Park JH, Shin JE, Park HW. The Role of Hippo Pathway in Cancer Stem Cell Biology. Mol Cells 2018; 41:83-92. [PMID: 29429151 PMCID: PMC5824027 DOI: 10.14348/molcells.2018.2242] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 12/19/2017] [Accepted: 01/08/2018] [Indexed: 02/08/2023] Open
Abstract
The biological significance and deregulation of the Hippo pathway during organ growth and tumorigenesis have received a surge of interest in the past decade. The Hippo pathway core kinases, MST1/2 and LATS1/2, are tumor suppressors that inhibit the oncogenic nuclear function of YAP/TAZ and TEAD. In addition to earlier studies that highlight the role of Hippo pathway in organ size control, cell proliferation, and tumor development, recent evidence demonstrates its critical role in cancer stem cell biology, including EMT, drug resistance, and self-renewal. Here we provide a brief overview of the regulatory mechanisms of the Hippo pathway, its role in cancer stem cell biology, and promising therapeutic interventions.
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Affiliation(s)
- Jae Hyung Park
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722,
Korea
| | - Ji Eun Shin
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722,
Korea
| | - Hyun Woo Park
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722,
Korea
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Personalized therapy: CNS HGNET-BCOR responsiveness to arsenic trioxide combined with radiotherapy. Oncotarget 2017; 8:114210-114225. [PMID: 29371980 PMCID: PMC5768397 DOI: 10.18632/oncotarget.23174] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 11/16/2017] [Indexed: 01/08/2023] Open
Abstract
High-grade neuroepithelial tumor of the central nervous system with BCOR alteration (HGNET-BCOR) is a rare, highly malignant tumor. At the time of this publication, no standard protocol exists to treat this tumor entity. In this work, we tested the responsiveness of the primary culture PhKh1 derived from tumor tissue from a pediatric HGNET-BCOR patient (P1) to inhibitors of the Sonic hedgehog pathway combined with radiation. The SMO inhibitors vismodegib and itraconazole had low effect on the proliferation of the PhKh1 cells. However, the GLI inhibitor arsenic trioxide reduced the expression of GLI target genes in the PhKh1 cells and in combination with radiotherapy significantly decreased their clonogenic potential. PhKh1 cells resistant to arsenic trioxide were characterized by the overexpression of molecular chaperones. We combined arsenic trioxide and radiation in the relapse therapy protocol of P1, achieving complete remission after seven weeks. Clinical remission lasted for six months, when P1 developed systemic metastases. Meanwhile, an increase in the concentration of circulating tumor DNA carrying a BCOR internal tandem duplication was observed. Molecular characterization of a second patient (P2) was also performed. In P2, we detected a larger tandem duplication and greater activation of the Sonic hedgehog pathway than in P1. These findings suggest that combining arsenic trioxide with radiotherapy may represent a new therapeutic approach. Moreover, peripheral blood analysis for circulating tumor DNA could help in the early detection of systemic metastases.
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Glucose impairs tamoxifen responsiveness modulating connective tissue growth factor in breast cancer cells. Oncotarget 2017; 8:109000-109017. [PMID: 29312586 PMCID: PMC5752499 DOI: 10.18632/oncotarget.22552] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 07/25/2017] [Indexed: 01/03/2023] Open
Abstract
Type 2 diabetes and obesity are negative prognostic factors in patients with breast cancer (BC). We found that sensitivity to tamoxifen was reduced by 2-fold by 25 mM glucose (High Glucose; HG) compared to 5.5 mM glucose (Low Glucose; LG) in MCF7 BC cells. Shifting from HG to LG ameliorated MCF7 cell responsiveness to tamoxifen. RNA-Sequencing of MCF7 BC cells revealed that cell cycle-related genes were mainly affected by glucose. Connective Tissue Growth Factor (CTGF) was identified as a glucose-induced modulator of cell sensitivity to tamoxifen. Co-culturing MCF7 cells with human adipocytes exposed to HG, enhanced CTGF mRNA levels and reduced tamoxifen responsiveness of BC cells. Inhibition of adipocyte-released IL8 reverted these effects. Interestingly, CTGF immuno-detection in bioptic specimens from women with estrogen receptor positive (ER+) BC correlated with hormone therapy resistance, distant metastases, reduced overall and disease-free survival. Thus, glucose affects tamoxifen responsiveness directly modulating CTGF in BC cells, and indirectly promoting IL8 release by adipocytes.
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Butera G, Pacchiana R, Donadelli M. Autocrine mechanisms of cancer chemoresistance. Semin Cell Dev Biol 2017; 78:3-12. [PMID: 28751251 DOI: 10.1016/j.semcdb.2017.07.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 07/05/2017] [Accepted: 07/17/2017] [Indexed: 02/08/2023]
Abstract
An ever-increasing number of studies highlight the role of cancer secretome in the modification of tumour microenvironment and in the acquisition of cancer cell resistance to therapeutic drugs. The knowledge of the mechanisms underlying the relationship between cancer cell-secreted factors and chemoresistance is becoming fundamental for the identification of novel anticancer therapeutic strategies overcoming drug resistance and novel prognostic secreted biomarkers. In this review, we summarize the novel findings concerning the regulation of secreted molecules by cancer cells compromising drug sensitivity. In particular, we highlight data from available literature describing the involvement of cancer cell-secreted molecules determining chemoresistance in an autocrine manner, including: i) growth factors; ii) glycoproteins; iii) inflammatory cytokines; iv) enzymes and chaperones; and v) tumor-derived exosomes.
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Affiliation(s)
- Giovanna Butera
- Department of Neurosciences, Biomedicine and Movement Sciences, Biochemistry Section, University of Verona, Verona, Italy
| | - Raffaella Pacchiana
- Department of Neurosciences, Biomedicine and Movement Sciences, Biochemistry Section, University of Verona, Verona, Italy
| | - Massimo Donadelli
- Department of Neurosciences, Biomedicine and Movement Sciences, Biochemistry Section, University of Verona, Verona, Italy.
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Connective tissue growth factor promotes temozolomide resistance in glioblastoma through TGF-β1-dependent activation of Smad/ERK signaling. Cell Death Dis 2017; 8:e2885. [PMID: 28617438 PMCID: PMC5520906 DOI: 10.1038/cddis.2017.248] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 04/30/2017] [Accepted: 05/03/2017] [Indexed: 12/27/2022]
Abstract
Limited benefits and clinical utility of temozolomide (TMZ) for glioblastoma (GB) are frequently compromised by the development of acquired drug resistance. Overcoming TMZ resistance and uncovering the underlying mechanisms are challenges faced during GB chemotherapy. In this study, we reported that connective tissue growth factor (CTGF) was associated with GB chemoresistance and significantly upregulated in TMZ-treated GB cells. CTGF knockdown promoted TMZ-induced cell apoptosis and enhanced chemosensitivity, whereas its overexpression markedly conferred TMZ resistance in vitro and in vivo. Moreover, CTGF promoted TMZ resistance through stem-like properties acquisition and CD44 interference reversed the CTGF-induced TMZ resistance. Mechanistically, further investigation revealed that the TMZ-induced CTGF upregulation was tissue growth factor (TGF-β) dependent, and regulated by TGF-β1 activation through Smad and ERK1/2 signaling. Together, our results suggest a pivotal role of CTGF-mediated TMZ resistance through TGF-β1-dependent activation of Smad/ERK signaling pathways. These data provide us insights for identifying potential targets that are beneficial for overcoming TMZ resistance in GB.
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27
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Wang S, Zhang S, Zhao Z, Zhang C, Yang X, Wang Y. Connexin 43 enhances paclitaxel cytotoxicity in colorectal cancer cell lines. Exp Ther Med 2017; 14:1212-1218. [PMID: 28810580 DOI: 10.3892/etm.2017.4589] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2016] [Accepted: 04/07/2017] [Indexed: 01/08/2023] Open
Abstract
Colorectal cancer has a relatively low sensitivity to paclitaxel. The purpose of this study was to investigate the role of connexin 43 (Cx43), which is a structural component of gap junctional communication (GJC), in paclitaxel cytotoxicity in colorectal cancer cells. Three colorectal cancer cell lines (HCT106, HCT116 and LoVo) were transfected with Cx43 and used to examine paclitaxel cytotoxicity. A western blot assay was used to confirm Cx43 expression in transfected cell lines as well as the expression of several proteins that are associated with paclitaxel cytotoxicity. A parachute dye-coupling assay was used to measure GJC function. An MTT assay was used to analyze the viability of paclitaxel-treated cells. Cx43 expression level and GJC function were significantly upregulated by the transfection (P<0.05). The viability of transfected cells was significantly inhibited compared with that of untransfected cells when treated with paclitaxel (20 or 80 nM) at high culture density but not at low culture density (P<0.05). Cx43 transfection significantly increased the mitotic arrest, tubulin polymerization and apoptosis effects of paclitaxel (P<0.05). It was also found that paclitaxel had an inhibitory effect on GJC function after 12 h of treatment in LoVo cells (P<0.05). These results indicate that Cx43 may serve as a target of paclitaxel chemotherapy for colorectal cancer.
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Affiliation(s)
- Siqi Wang
- Laboratory of Biomedicine and Nanophotonics, Tianjin Union Medical Center, Tianjin 300121, P.R. China
| | - Shiwu Zhang
- Department of Pathology, Tianjin Union Medical Center, Tianjin 300121, P.R. China
| | - Zhenying Zhao
- Department of Pharmacy, Tianjin Union Medical Center, Tianjin 300121, P.R. China
| | - Chunze Zhang
- Department of Colorectal Surgery, Tianjin Union Medical Center, Tianjin 300121, P.R. China
| | - Xiaoyun Yang
- Department of Pathology, Tianjin Union Medical Center, Tianjin 300121, P.R. China
| | - Yijia Wang
- Laboratory of Biomedicine and Nanophotonics, Tianjin Union Medical Center, Tianjin 300121, P.R. China
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Li X, Yang Z, Han W, Lu X, Jin S, Yang W, Li J, He W, Qian Y. Fangchinoline suppresses the proliferation, invasion and tumorigenesis of human osteosarcoma cells through the inhibition of PI3K and downstream signaling pathways. Int J Mol Med 2017; 40:311-318. [PMID: 28586029 PMCID: PMC5504998 DOI: 10.3892/ijmm.2017.3013] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Accepted: 05/23/2017] [Indexed: 12/15/2022] Open
Abstract
Osteosarcoma is the most common malignant bone tumor. Most patients diagnosed with osteosarcoma are less than 20 years of age. Osteosarcoma cells proliferate rapidly and invade other tissues. At present, neoadjuvant chemotherapy is the primary pharmacodynamic strategy to prevent the progression of osteosarcoma. However, adverse effects of this strategy limit its long-term application. Previous research has shown that fangchinoline exerts antitumor effects on several types of tumor cells; however, its effect on osteosarcoma cells remains unknown. The present study evaluated the effects of fangchinoline on the proliferation, apoptosis, migration and invasion of osteosarcoma cells in vitro and on their tumorigenesis in vivo and determined the possible underlying mechanism of action. Fangchinoline-treated MG63 and U20S cells showed significantly decreased proliferation and significantly increased apoptosis. Fangchinoline markedly suppressed the migration and invasion of the MG63 cells. Fangchinoline-treated MG63 cells showed significantly decreased expression of phosphoinositide 3-kinase (PI3K) and Aktp-Thr308. Moreover, fangchinoline-treated MG63 cells showed downregulated expression of cyclin D1 and matrix metalloproteinase 2 and 9, which act downstream of PI3K, and upregulated expression of caspase-3 and caspase-8. Furthermore, fangchinoline suppressed the growth of subcutaneous osteosarcoma tumors in Balb/c mice subcutaneously injected with osteosarcoma cells. These findings suggest that fangchinoline inhibits the progression of osteosarcoma by suppressing the proliferation, migration and invasion and by accelerating the apoptosis of osteosarcoma cells. In addition, our results suggest that the mechanism underlying the antitumor effects of fangchinoline involve the inhibition of PI3K and its downstream signaling pathways.
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Affiliation(s)
- Xiucheng Li
- Department of Orthopaedics, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - Zhifan Yang
- Department of Orthopaedics, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - Weiqi Han
- Department of Orthopaedics, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - Xuanyuan Lu
- Department of Orthopaedics, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - Songtao Jin
- Department of Orthopaedics, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - Wanlei Yang
- Department of Orthopaedics, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - Jianlei Li
- Department of Orthopaedics, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - Wei He
- Department of Orthopaedics, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - Yu Qian
- Department of Orthopaedics, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
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Wang LH, Tsai HC, Cheng YC, Lin CY, Huang YL, Tsai CH, Xu GH, Wang SW, Fong YC, Tang CH. CTGF promotes osteosarcoma angiogenesis by regulating miR-543/angiopoietin 2 signaling. Cancer Lett 2017; 391:28-37. [PMID: 28108312 DOI: 10.1016/j.canlet.2017.01.013] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 12/23/2016] [Accepted: 01/11/2017] [Indexed: 12/24/2022]
Abstract
Osteosarcoma is the most common primary solid tumor of bone. It has a high metastatic potential and occurs predominantly in adolescents and young adults. Angiopoietin 2 (Angpt2) is a key regulator in tumor angiogenesis, facilitating tumor growth and metastasis. Connective tissue growth factor (CTGF, also known as CCN2), is a cysteine-rich protein that has been reported to promote metastasis of osteosarcoma. However, the effect of CTGF on Angpt2 regulation and angiogenesis in human osteosarcoma remains largely unknown. We found that overexpression of CTGF in osteosarcoma cells increased Angpt2 production and induced angiogenesis, in vitro and in vivo. Our findings demonstrate that CTGF-enhanced Angpt2 expression and angiogenesis is mediated by the phospholipase C (PLC)/protein kinase C (PKCδ) signaling pathway. Moreover, endogenous microRNA-543 (miR-543) expression was negatively regulated by CTGF via the PLC/PKCδ pathway. We also provide evidence showing clinical significance between CTGF, Angpt2, and miR-543 as well as tumor staging in human osteosarcoma tissue. CTGF may serve as a therapeutic target in the process of osteosarcoma metastasis and angiogenesis.
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Affiliation(s)
- Li-Hong Wang
- Department of Orthopedics, Dongyang People's Hospital, Wenzhou Medical University, Dongyang, China
| | - Hsiao-Chi Tsai
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Yu-Che Cheng
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Chih-Yang Lin
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Yuan-Li Huang
- Department of Biotechnology, College of Health Science, Asia University, Taichung, Taiwan
| | - Chun-Hao Tsai
- School of Medicine, China Medical University, Taichung, Taiwan; Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Guo-Hong Xu
- Department of Orthopedics, Dongyang People's Hospital, Wenzhou Medical University, Dongyang, China
| | - Shih-Wei Wang
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
| | - Yi-Chin Fong
- Department of Orthopaedic Surgery, China Medical University Beigang Hospital, Yun-Lin County, Taiwan; Department of Sports Medicine, College of Health Care, China Medical University, Taichung, Taiwan
| | - Chih-Hsin Tang
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan; Department of Biotechnology, College of Health Science, Asia University, Taichung, Taiwan; School of Medicine, China Medical University, Taichung, Taiwan.
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30
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Yang K, Gao K, Hu G, Wen Y, Lin C, Li X. CTGF enhances resistance to 5-FU-mediating cell apoptosis through FAK/MEK/ERK signal pathway in colorectal cancer. Onco Targets Ther 2016; 9:7285-7295. [PMID: 27942222 PMCID: PMC5138041 DOI: 10.2147/ott.s108929] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Colorectal cancer (CRC) is one of the most commonly diagnosed cancers among both males and females; the chemotherapy drug 5-fluorouracil (5-FU) is one of a doctors’ first lines of defense against CRC. However, therapeutic failures are common because of the emergence of drug resistance. Connective tissue growth factor (CTGF) is a secreted protein that binds to integrins, and regulates the invasiveness and metastasis of certain carcinoma cells. Here, we found that CTGF was upregulated in drug-resistant phenotype of human CRC cells. Overexpression of CTGF enhanced the resistance to 5-FU-induced cell apoptosis. Moreover, downregulating the expression of CTGF promoted the curative effect of chemotherapy and blocked the cell cycle in the G1 phase. We also found that CTGF facilitated resistance to 5-FU-induced apoptosis by increasing the expression of B-cell lymphoma-extra large (Bcl-xL) and survivin. Then we pharmacologically blocked MEK/ERK signal pathway and assessed 5-FU response by MTT assays. Our current results indicate that the expression of phosphorylated forms of MEK/ERK increased in high CTGF expression cells and MEK inhibited increases in 5-FU-mediated apoptosis of resistant CRC cells. Therefore, our data suggest that MEK/ERK signaling contributes to 5-FU resistance through upstream of CTGF, and supports CRC cell growth. Comprehending the molecular mechanism underlying 5-FU resistance may ultimately aid the fight against CRC.
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Affiliation(s)
- Kai Yang
- Department of General Surgery, The Third Affiliated Hospital of Central South University, Central South University, Changsha, Hunan, People's Republic of China
| | - Kai Gao
- Department of General Surgery, The Third Affiliated Hospital of Central South University, Central South University, Changsha, Hunan, People's Republic of China
| | - Gui Hu
- Department of General Surgery, The Third Affiliated Hospital of Central South University, Central South University, Changsha, Hunan, People's Republic of China
| | - Yanguang Wen
- Department of General Surgery, The Third Affiliated Hospital of Central South University, Central South University, Changsha, Hunan, People's Republic of China
| | - Changwei Lin
- Department of General Surgery, The Third Affiliated Hospital of Central South University, Central South University, Changsha, Hunan, People's Republic of China
| | - Xiaorong Li
- Department of General Surgery, The Third Affiliated Hospital of Central South University, Central South University, Changsha, Hunan, People's Republic of China
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Xiao L, Shi XY, Zhang Y, Zhu Y, Zhu L, Tian W, Zhu BK, Wei ZL. YAP induces cisplatin resistance through activation of autophagy in human ovarian carcinoma cells. Onco Targets Ther 2016; 9:1105-14. [PMID: 27073322 PMCID: PMC4806764 DOI: 10.2147/ott.s102837] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Objective To identify the role of YAP in cisplatin resistance in human ovarian cancer cells and in the regulation of autophagy in these cancer cells. Materials and methods The cisplatin-sensitive OV2008 parental cell line and its cisplatin-resistant variant C13K were cultured. RNA interference was used to knock down the YAP gene. Accumulation of GFP-LC3 puncta was performed by fluorescence microscopy. The formation of autophagosomes was observed by transmission electron microscopy. Drug sensitivity was examined using CCK-8 assay, while apoptosis, the level of intracellular rhodamine 123 and lysosomal acidification were analyzed by fluorescence-activated cell sorting. Acid phosphatase activity was measured using an acid phosphatase-assay kit. Real-time polymerase chain reaction, Western blotting, and immunofluorescence detection were used to detect the protein and messenger RNA expression of YAP, YAP target genes, CCND1, cleaved PARP, and caspase 3, Atg-3 and -5, and the LC3B protein. Results YAP signaling may regulate cisplatin resistance in ovarian cancer cells by augmenting cellular autophagic flux. After knockdown of YAP-sensitized C13K cells to cisplatin by inducing a decrease in autophagy, YAP led to an increase in autophagy via enhancement of autolysosome degradation. Conclusion YAP-mediated autophagy may play a protective role in cisplatin-resistant human ovarian cancer cells. Therefore, YAP-mediated autophagy should be explored as a new target for enhancing the efficacy of cisplatin against ovarian cancer and other types of malignancies.
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Affiliation(s)
- Lan Xiao
- Department of Obstetrics and Gynecology, First Affiliated Hospital, Anhui Medical University, Hefei, People's Republic of China
| | - Xiao-Yan Shi
- Key Laboratory for Molecular Diagnosis of Hubei Province, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Ying Zhang
- Department of Obstetrics and Gynecology, First Affiliated Hospital, Anhui Medical University, Hefei, People's Republic of China
| | - Ying Zhu
- Department of Obstetrics and Gynecology, First Affiliated Hospital, Anhui Medical University, Hefei, People's Republic of China
| | - Lin Zhu
- Obstetrics and Gynecology Hospital of Fudan University (Shanghai Red House Obstetrics and Gynecology Hospital), Shanghai, People's Republic of China
| | - Wang Tian
- Department of Obstetrics and Gynecology, First Affiliated Hospital, Anhui Medical University, Hefei, People's Republic of China
| | - Bing-Kun Zhu
- Department of Obstetrics and Gynecology, First Affiliated Hospital, Anhui Medical University, Hefei, People's Republic of China
| | - Zhao-Lian Wei
- Department of Obstetrics and Gynecology, First Affiliated Hospital, Anhui Medical University, Hefei, People's Republic of China
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32
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Chu C, Deng J, Liu L, Cao Y, Wei X, Li J, Man Y. Nanoparticles combined with growth factors: recent progress and applications. RSC Adv 2016. [DOI: 10.1039/c6ra13636b] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Increasing attention has been focused on the applications of nanoparticles combined with growth factors (NPs/GFs) due to the substantial functions of GFs in regenerative medicine and disease treatments.
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Affiliation(s)
- Chenyu Chu
- State Key Laboratory of Oral Diseases
- West China Hospital of Stomatology
- Sichuan University
- Chengdu 610041
- China
| | - Jia Deng
- State Key Laboratory of Oral Diseases
- West China Hospital of Stomatology
- Sichuan University
- Chengdu 610041
- China
| | - Li Liu
- State Key Laboratory of Biotherapy and Laboratory for Aging Research
- West China Hospital
- Sichuan University and Collaborative Innovation Center for Biotherapy
- Chengdu
- China
| | - Yubin Cao
- State Key Laboratory of Oral Diseases
- West China Hospital of Stomatology
- Sichuan University
- Chengdu 610041
- China
| | - Xiawei Wei
- State Key Laboratory of Biotherapy and Laboratory for Aging Research
- West China Hospital
- Sichuan University and Collaborative Innovation Center for Biotherapy
- Chengdu
- China
| | - Jidong Li
- Research Center for Nano Biomaterials
- Analytical & Testing Center
- Sichuan University
- Chengdu 610041
- P. R. China
| | - Yi Man
- State Key Laboratory of Oral Diseases
- West China Hospital of Stomatology
- Sichuan University
- Chengdu 610041
- China
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Wang Y, Zhang S, Zhang C, Zhao Z, Zheng X, Xue L, Liu J, Yuan XC. Investigation of an SPR biosensor for determining the influence of connexin 43 expression on the cytotoxicity of cisplatin. Analyst 2016; 141:3411-20. [DOI: 10.1039/c6an00264a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The real-time and label free detection abilities of surface plasmon resonance (SPR) biosensors provide a way of evaluating the influence of some genes’ expression on anti-tumor drug cytotoxicity.
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Affiliation(s)
- Yijia Wang
- Tianjin Union Medical Center
- Tianjin
- China
| | | | | | | | | | - Lihua Xue
- Tianjin Union Medical Center
- Tianjin
- China
| | - Jun Liu
- Tianjin Union Medical Center
- Tianjin
- China
| | - X.-C. Yuan
- Institute of Micro & Nano Optics
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province
- College of Optoelectronic Engineering
- Shenzhen University
- Shenzhen
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34
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Ji GR, Yu NC, Xue X, Li ZG. PERK-mediated Autophagy in Osteosarcoma Cells Resists ER Stress-induced Cell Apoptosis. Int J Biol Sci 2015; 11:803-12. [PMID: 26078722 PMCID: PMC4466461 DOI: 10.7150/ijbs.11100] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Accepted: 02/27/2015] [Indexed: 12/20/2022] Open
Abstract
Osteosarcoma is a bone cancer that develops commonly in children and adolescents. However, osteosarcoma treatments often fail by the development of chemoresistance to apoptosis, and the molecular mechanisms remain unclear. In this study, we propose that autophagy is responsible for osteosarcomatous resistance to apoptosis. We implicate PERK-mediated autophagy as a significant contributor to apoptosis resistance due to ER stress in osteosarcoma cells. By immunostainings and western blots, we identified that PERK activated osteosarcomatous autophagy via inhibiting mTORC1 pathway, thereby preventing cell apoptosis. While using RNAi, we knocked down PERK and found that autophagy was suppressed, result in osteosarcomatous apoptosis. Our results identify a novel role of PERK-mediated autophagy as a significant mechanism for osteosarcoma cell survival. These results will help to understand the mechanism of chemoresistance in osteosarcoma cells, and indicate a novel target for improving osteosarcoma therapy.
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Affiliation(s)
- Guang-rong Ji
- Department of Orthopaedics, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Nai-chun Yu
- Department of Orthopaedics, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Xiang Xue
- Department of Orthopaedics, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Zong-guang Li
- Department of Orthopaedics, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
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35
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Xu W, Wei Y, Wu S, Wang Y, Wang Z, Sun Y, Cheng SY, Wu J. Up-regulation of the Hippo pathway effector TAZ renders lung adenocarcinoma cells harboring EGFR-T790M mutation resistant to gefitinib. Cell Biosci 2015; 5:7. [PMID: 25973173 PMCID: PMC4429831 DOI: 10.1186/2045-3701-5-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Accepted: 01/21/2015] [Indexed: 12/17/2022] Open
Abstract
Background The T790M mutation of epithelial growth factor receptor (EGFR) is a major cause of the acquired resistance to EGFR tyrosine kinase inhibitor (EGFR-TKIs) treatment for lung cancer patients. The Hippo pathway effector, TAZ, has emerged as a key player in organ growth and tumorigenesis, including lung cancer. Results In this study, we have discovered high TAZ expression in non-small cell lung cancer (NSCLC) cells harboring dual mutation and TAZ depletion sensitized their response to EGFR-TKIs. Mechanistically, knockdown of TAZ in T790M-induced resistant cells leaded to reduced anchorage-independent growth in vitro, tumor formation and resistance to gefitinib in vivo, correlated with epithelial-mesenchymal transition (EMT) and suppressed migration and invasion. Furthermore, we confirmed CTGF and AXL, novel EMT markers and potential therapeutic targets for overcoming EGFR inhibitor resistance, as directly transcriptional targets of TAZ. Conclusions Taken together, this study suggests that expression of TAZ is an intrinsic mechanism of T790M-induced resistance in response to EGFR-TKIs. Combinational targeting on both EGFR and TAZ may enhance the efficacy of EGFR-TKIs in acquired resistance of NSCLC. Electronic supplementary material The online version of this article (doi:10.1186/2045-3701-5-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Wei Xu
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029 China ; Department of Developmental Genetics, School of Basic Medical Sciences, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu 210029 China
| | - Yunyan Wei
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029 China
| | - Shuangshuang Wu
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029 China
| | - Yun Wang
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029 China
| | - Zhen Wang
- Department of Pathology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029 China
| | - Yu Sun
- Origin Biosciences Inc., 5 New Model Road, Nanjing, Jiangsu 210009 China
| | - Steven Y Cheng
- Department of Developmental Genetics, School of Basic Medical Sciences, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu 210029 China
| | - Jianqing Wu
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029 China
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Kubota S, Maeda-Uematsu A, Nishida T, Takigawa M. New functional aspects of CCN2 revealed by trans-omic approaches. J Oral Biosci 2015. [DOI: 10.1016/j.job.2014.09.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Cellular and molecular actions of CCN2/CTGF and its role under physiological and pathological conditions. Clin Sci (Lond) 2014; 128:181-96. [DOI: 10.1042/cs20140264] [Citation(s) in RCA: 130] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
CCN family protein 2 (CCN2), also widely known as connective tissue growth factor (CTGF), is one of the founding members of the CCN family of matricellular proteins. Extensive investigation on CCN2 over decades has revealed the novel molecular action and functional properties of this unique signalling modulator. By its interaction with multiple molecular counterparts, CCN2 yields highly diverse and context-dependent biological outcomes in a variety of microenvironments. Nowadays, CCN2 is recognized to conduct the harmonized development of relevant tissues, such as cartilage and bone, in the skeletal system, by manipulating extracellular signalling molecules involved therein by acting as a hub through a web. However, on the other hand, CCN2 occasionally plays profound roles in major human biological disorders, including fibrosis and malignancies in major organs and tissues, by modulating the actions of key molecules involved in these clinical entities. In this review, the physiological and pathological roles of this unique protein are comprehensively summarized from a molecular network-based viewpoint of CCN2 functionalities.
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Horng CT, Shieh PC, Tan TW, Yang WH, Tang CH. Paeonol suppresses chondrosarcoma metastasis through up-regulation of miR-141 by modulating PKCδ and c-Src signaling pathway. Int J Mol Sci 2014; 15:11760-72. [PMID: 24992595 PMCID: PMC4139812 DOI: 10.3390/ijms150711760] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Revised: 06/10/2014] [Accepted: 06/13/2014] [Indexed: 01/05/2023] Open
Abstract
Chondrosarcoma, a primary malignant bone cancer, has potential for local invasion and distant metastasis, especially to the lungs. Patients diagnosed with it show poor prognosis. Paeonol (2'-hydroxy-4'-methoxyacetophenone), the main active compound of traditional Chinese remedy Paeonia lactiflora Pallas, exhibits anti-inflammatory and anti-tumor activity; whether paeonol regulates metastatic chondrosarcoma is largely unknown. Here, we find paeonol do not increase apoptosis. By contrast, at non-cytotoxic concentrations, paeonol suppresses migration and invasion of chondrosarcoma cells. We also demonstrate paeonol enhancing miR-141 expression and miR-141 inhibitor reversing paeonol-inhibited cell motility; paeonol also reduces protein kinase C (PKC)d and c-Src kinase activity. Since paeonol inhibits migration and invasion of human chondrosarcoma via up-regulation of miR-141 via PKCd and c-Src pathways, it thus might be a novel anti-metastasis agent for treatment of metastatic chondrosarcoma.
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Affiliation(s)
- Chi-Ting Horng
- Medical Education Center, Kaohsiung Armed Force General Hospital, Kaohsiung 802, Taiwan.
| | - Po-Chuen Shieh
- Department of Pharmacy, Tajen University, Pingtung 907, Taiwan.
| | - Tzu-Wei Tan
- Graduate Institute of Basic Medical Science, China Medical University, Taichung 404, Taiwan.
| | - Wei-Hung Yang
- Department of Orthopedic Surgery, Taichung Hospital, Ministry of Health and Welfare, Taichung 403, Taiwan.
| | - Chih-Hsin Tang
- Graduate Institute of Basic Medical Science, China Medical University, Taichung 404, Taiwan.
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