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Syed RU, Alshammari MD, Banu H, Khojali WMA, Jafar M, Nagaraju P, Alshammari A. Targeting the autophagy-miRNA axis in prostate cancer: toward novel diagnostic and therapeutic strategies. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03153-0. [PMID: 38761210 DOI: 10.1007/s00210-024-03153-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 05/07/2024] [Indexed: 05/20/2024]
Abstract
Since prostate cancer is one of the leading causes of cancer-related death, a better understanding of the molecular pathways guiding its development is imperative. A key factor in prostate cancer is autophagy, a cellular mechanism that affects both cell survival and death. Autophagy is essential in maintaining cellular homeostasis. Autophagy is a physiological mechanism wherein redundant or malfunctioning cellular constituents are broken down and recycled. It is essential for preserving cellular homeostasis and is implicated in several physiological and pathological conditions, including cancer. Autophagy has been linked to metastasis, tumor development, and treatment resistance in prostate cancer. The deregulation of miRNAs related to autophagy appears to be a crucial element in the etiology of prostate cancer. These miRNAs influence the destiny of cancer cells by finely regulating autophagic mechanisms. Numerous investigations have emphasized the dual function of specific miRNAs in prostate cancer, which alter autophagy-related pathways to function as either tumor suppressors or oncogenes. Notably, miRNAs have been linked to the control of autophagy and the proliferation, apoptosis, and migration of prostate cancer cells. To create customized therapy approaches, it is imperative to comprehend the dynamic interplay between autophagy and miRNAs in prostate cancer. The identification of key miRNAs provides potential diagnostic and prognostic markers. Unraveling the complex network of lncRNAs, like PCA3, also expands the repertoire of molecular targets for therapeutic interventions. This review explores the intricate interplay between autophagy and miRNAs in prostate cancer, focusing on their regulatory roles in cellular processes ranging from survival to programmed cell death.
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Affiliation(s)
- Rahamat Unissa Syed
- Department of Pharmaceutics, College of Pharmacy, University of Hail, 81442, Hail, Saudi Arabia.
| | - Maali D Alshammari
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Hail, 81442, Hail, Saudi Arabia
| | - Humera Banu
- Department of Clinical Nutrition, College of Applied Medical Sciences, University of Hail, Hail, Kingdom of Saudi Arabia
| | - Weam M A Khojali
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Hail, 81442, Hail, Saudi Arabia
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Omdurman Islamic University, Omdurman, 14415, Sudan
| | - Mohammed Jafar
- Department of Pharmaceutics, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, P. O. Box 1982, Dammam, 34212, Saudi Arabia.
| | - Potnuri Nagaraju
- Department of Pharmaceutics, Mandesh Institute of Pharmaceutical Science and Research Center, Mhaswad, Maharashtra, India
| | - Alia Alshammari
- Department of Pharmaceutics, College of Pharmacy, University of Hail, 81442, Hail, Saudi Arabia
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González-Quiroz JL, Ocampo-Godínez JM, Hernández-González VN, Lezama RA, Reyes-Maldonado E, Vega-López A, Domínguez-López ML. Pentoxifylline and Norcantharidin Modify p62 Expression in 2D and 3D Cultures of B16F1 Cells. Int J Mol Sci 2024; 25:5140. [PMID: 38791178 PMCID: PMC11121437 DOI: 10.3390/ijms25105140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Revised: 05/05/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
Three-dimensional cell cultures have improved the evaluation of drugs for cancer therapy, due to their high similarity to solid tumors. In melanoma, autophagy appears to show a dual role depending on the progression of the disease. p62 protein has been proposed for the evaluation of autophagic flux since its expression is an indicator of the state of autophagy. Pentoxifylline (PTX) and Norcantharidin (NCTD) are drugs that have been shown to possess anticancer effects. In this work, we used B16F1 mouse melanoma cells in two-dimensional (2D) monolayer cultures and three-dimensional (3D) spheroids to test the effect of PTX and NCTD over the p62 expression. We analyzed the effect on p62 expression through Western blot and immunofluorescence assays. Our results indicate that PTX decreases p62 expression in both cell culture models, while Norcantharidin increases its expression in 3D cultures at 24 h. Therefore, these drugs could have a potential therapeutic use for the regulation of autophagy in melanoma, depending on the state of evolution of the disease.
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Affiliation(s)
- José Luis González-Quiroz
- Laboratorio de Inmunoquímica I, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Santo Tomás, Ciudad de Mexico 11340, Mexico; (J.L.G.-Q.)
| | - Juan Moisés Ocampo-Godínez
- Laboratorio de Inmunoquímica I, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Santo Tomás, Ciudad de Mexico 11340, Mexico; (J.L.G.-Q.)
- Laboratorio de Bioingeniería de Tejidos, Departamento de Estudios de Posgrado e Investigación, Universidad Nacional Autónoma de México, Ciudad de Mexico 04360, Mexico
| | - Victoria Noemi Hernández-González
- Laboratorio de Inmunoquímica I, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Santo Tomás, Ciudad de Mexico 11340, Mexico; (J.L.G.-Q.)
| | - Ruth Angélica Lezama
- Laboratorio de Hematopatología, Departamento de Morfología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de Mexico 11340, Mexico
| | - Elba Reyes-Maldonado
- Laboratorio de Hematopatología, Departamento de Morfología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de Mexico 11340, Mexico
| | - Armando Vega-López
- Laboratorio de Toxicología Ambiental, Departamento de Ingeniería en Sistemas Ambientales, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de Mexico 07738, Mexico
| | - María Lilia Domínguez-López
- Laboratorio de Inmunoquímica I, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Santo Tomás, Ciudad de Mexico 11340, Mexico; (J.L.G.-Q.)
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Pharmacological Small Molecules against Prostate Cancer by Enhancing Function of Death Receptor 5. Pharmaceuticals (Basel) 2022; 15:ph15081029. [PMID: 36015177 PMCID: PMC9413322 DOI: 10.3390/ph15081029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/15/2022] [Accepted: 08/19/2022] [Indexed: 02/05/2023] Open
Abstract
Death receptor 5 (DR5) is a membrane protein that mediates exogenous apoptosis. Based on its function, it is considered to be a target for the treatment of cancers including prostate cancer. It is encouraging to note that a number of drugs targeting DR5 are now progressing to different stages of clinical trial studies. We collected 38 active compounds that could produce anti-prostate-cancer effects by modulating DR5, 28 of which were natural compounds and 10 of which were synthetic compounds. In addition, 6 clinically used chemotherapeutic agents have also been shown to promote DR5 expression and thus exert apoptosis-inducing effects in prostate cancer cells. These compounds promote the expression of DR5, thereby enhancing its function in inducing apoptosis. When these compounds were used in combination with the natural ligand of DR5, the number of apoptotic cells was significantly increased. These compounds are all promising for development as anti-prostate-cancer drugs, while most of these compounds are currently being evaluated for their anti-prostate-cancer effects at the cellular level and in animal studies. A great deal of more in-depth research is needed to evaluate whether they can be developed as drugs. We collected literature reports on small molecules against prostate cancer through modulation of DR5 to understand the current dynamics in this field and to evaluate the prospects of small molecules against prostate cancer through modulation of DR5.
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Cai Z, Wu Y, Ju G, Wang G, Liu B. Role of BCAR4 in prostate cancer cell autophagy. Transl Androl Urol 2022; 10:4253-4261. [PMID: 34984190 PMCID: PMC8661267 DOI: 10.21037/tau-21-929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/04/2021] [Indexed: 11/06/2022] Open
Abstract
Background Increased autophagy of prostate cancer (PC) cells contributes to their resistance to chemotherapy. Recently, we reported that a long non-coding RNA (lncRNA)-breast-cancer anti-estrogen resistance 4 (BCAR4)-is highly expressed in PC and contributes to castration resistance through activation of GLI2 signaling. However, the role of BCAR4 in the regulation of PC cell autophagy is unknown and is the subject of the current study. Methods BCAR4 and Beclin-1 levels and the alteration in autophagy pathway genes were assessed in PC using a public database and in our own clinical specimens. The correlation between BCAR4 and Beclin-1 levels in PC and PC cell lines was determined and their regulatory relationship was assessed by overexpression and knockout assay. The final effect on autophagy was measured by microtubule-associated protein 1A/1B-light chain 3 (LC3) levels. The mechanism that underlies the control of Beclin-1 by BCAR4 was analyzed by cancer database and gain-of-function and loss-of-function approaches. Results BCAR4 and Beclin-1 were both upregulated in PC and were positively correlated. BCAR4 directly activated Beclin-1 at transcriptional level, which subsequently increased the ratio of LC3 II to LC3I to augment PC cell autophagy. Beclin-1 did not control levels of BCAR4. Mechanically, BCAR4 and Beclin-1 shared several targeting microRNAs, among which miR-15 and miR-146 appeared to be the mediators of the effects of BACR4 on Beclin-1. Conclusions BCAR4 may enhance PC cell autophagy through altering miRNA-regulated Beclin-1 expression in PC.
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Affiliation(s)
- Zhiping Cai
- Department of Urology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Yapei Wu
- Department of Urology, Huashan Hospital, Fudan University, Shanghai, China
| | - Guanqun Ju
- Department of Urology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Gangmin Wang
- Department of Urology, Huashan Hospital, Fudan University, Shanghai, China
| | - Bing Liu
- Department of Urology, Changzheng Hospital, Naval Medical University, Shanghai, China
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Sadri Nahand J, Salmaninejad A, Mollazadeh S, Tamehri Zadeh SS, Rezaee M, Sheida AH, Sadoughi F, Dana PM, Rafiyan M, Zamani M, Taghavi SP, Dashti F, Mirazimi SMA, Bannazadeh Baghi H, Moghoofei M, Karimzadeh M, Vosough M, Mirzaei H. Virus, Exosome, and MicroRNA: New Insights into Autophagy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1401:97-162. [DOI: 10.1007/5584_2022_715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Xu S, Li W, Wu J, Lu Y, Xie M, Li Y, Zou J, Zeng T, Ling H. The role of miR-129-5p in cancer: a novel therapeutic target. Curr Mol Pharmacol 2021; 15:647-657. [PMID: 34521336 DOI: 10.2174/1874467214666210914122010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/30/2021] [Accepted: 06/25/2021] [Indexed: 11/22/2022]
Abstract
MiRNA-129-5p belongs to the microRNA-129 (miRNA-129) family. MiRNA-129-5p is expressed in many tissues and organs of the human body, and it regulates a wide range of biological functions. The abnormal expression of miRNA-129-5p is related to the occurrence and development of a variety of malignant tumors. MiRNA-129-5p plays an important role in the tumorigenesis process and functions by promoting or inhibiting tumors. However, the role of miRNA-129-5p in cancer remains controversial. This article reviews the different biological functions of miRNA-129-5p in cancer and provides ideas for research in this field to guide the development of targeted therapies and drugs for malignant tumors.
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Affiliation(s)
- Shan Xu
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, Hengyang Medical College, University of South China, Hengyang, Hunan 421001. China
| | - Wei Li
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, Hengyang Medical College, University of South China, Hengyang, Hunan 421001. China
| | - Jing Wu
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, Hengyang Medical College, University of South China, Hengyang, Hunan 421001. China
| | - Yuru Lu
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, Hengyang Medical College, University of South China, Hengyang, Hunan 421001. China
| | - Ming Xie
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, Hengyang Medical College, University of South China, Hengyang, Hunan 421001. China
| | - Yanlan Li
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, Hengyang Medical College, University of South China, Hengyang, Hunan 421001. China
| | - Juan Zou
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, Hengyang Medical College, University of South China, Hengyang, Hunan 421001. China
| | - Tiebing Zeng
- Hunan Province Cooperative innovation Center for Molecular Target New Drug Study [Hunan Provincial Education Department document (Approval number: 2014-405], Hengyang, Hunan 421001. China
| | - Hui Ling
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, Hengyang Medical College, University of South China, Hengyang, Hunan 421001. China
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Fan X, Zhou J, Yan X, Bi X, Liang J, Lu S, Luo L, Zhou D, Yin Z. Citrate activates autophagic death of prostate cancer cells via downregulation CaMKII/AKT/mTOR pathway. Life Sci 2021; 275:119355. [PMID: 33744326 DOI: 10.1016/j.lfs.2021.119355] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/08/2021] [Accepted: 03/09/2021] [Indexed: 12/19/2022]
Abstract
AIM The aim of this study was to explore the antitumor effect of citrate on prostate cancer and its underlying mechanism. MAIN METHODS CCK-8 and Colony formation assay were performed to detect the anti-proliferative effect of citrate on prostate cancer. Flow cytometry analysis was conducted to investigate the pro-apoptosis effect of citrate on prostate cancer. Immunofluorescence assay was taken to detect whether citrate induced autophagy in prostate cancer. Western blot and Immunohistochemical assay were performed to explore the underlying mechanism by which citrate activates autophagic death in prostate cancer cells. Xenograft tumorigenicity assay was conducted to explore whether citrate suppressed the growth of xenograft prostate tumors in vivo. KEY FINDINGS We found citrate could significantly induce apoptosis and autophagy of prostate cancer cells in vitro and in vivo. Furthermore, treatment with autophagy inhibitor (chloroquine) drastically suppresses the apoptosis rate of prostate cancer induced by citrate. Based on the Ca2+-chelating property of citrate, the further study suggested that citrate activates autophagic cell death in prostate cancer cells via downregulation CaMKII/AKT/mTOR pathway. Finally, citrate suppresses the growth of xenograft prostate tumors without remarkable toxicity in mice. SIGNIFICANCE Our study elucidated a novel molecular mechanism about the anti-cancer activities of citrate. That citrate activates autophagic cell death of prostate cancer via downregulation CaMKII/AKT/mTOR pathway and without remarkable toxicity in mice. This study suggests that citrate might be a promising therapeutic agent for the treatment of prostate cancer.
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Affiliation(s)
- Xirui Fan
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, Jiangsu, People's Republic of China
| | - Jinyi Zhou
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, Jiangsu, People's Republic of China
| | - Xintong Yan
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, Jiangsu, People's Republic of China
| | - Xiaowen Bi
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, Jiangsu, People's Republic of China
| | - Juanjuan Liang
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, Jiangsu, People's Republic of China
| | - Shuai Lu
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, Jiangsu, People's Republic of China
| | - Lan Luo
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, People's Republic of China.
| | - Da Zhou
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, 200032 Shanghai, People's Republic of China.
| | - Zhimin Yin
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, Jiangsu, People's Republic of China.
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Pan MS, Cao J, Fan YZ. Insight into norcantharidin, a small-molecule synthetic compound with potential multi-target anticancer activities. Chin Med 2020; 15:55. [PMID: 32514288 PMCID: PMC7260769 DOI: 10.1186/s13020-020-00338-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 05/25/2020] [Indexed: 02/07/2023] Open
Abstract
Norcantharidin (NCTD) is a demethylated derivative of cantharidin, which is an anticancer active ingredient of traditional Chinese medicine, and is currently used clinically as a routine anti-cancer drug in China. Clarifying the anticancer effect and molecular mechanism of NCTD is critical for its clinical application. Here, we summarized the physiological, chemical, pharmacokinetic characteristics and clinical applications of NCTD. Besides, we mainly focus on its potential multi-target anticancer activities and underlying mechanisms, and discuss the problems existing in clinical application and scientific research of NCTD, so as to provide a potential anticancer therapeutic agent for human malignant tumors.
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Affiliation(s)
- Mu-Su Pan
- Department of Surgery, Tongji Hospital, Tongji University School of Medicine, Tongji University, 389 Xincun Road, Shanghai, 200065 People’s Republic of China
| | - Jin Cao
- Department of Surgery, Tongji Hospital, Tongji University School of Medicine, Tongji University, 389 Xincun Road, Shanghai, 200065 People’s Republic of China
| | - Yue-Zu Fan
- Department of Surgery, Tongji Hospital, Tongji University School of Medicine, Tongji University, 389 Xincun Road, Shanghai, 200065 People’s Republic of China
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Huang Z, Sun H, Lu Y, Zhao F, Liu C, Wang Q, Zheng C, Lu R, Song K. Strontium/Chitosan/Hydroxyapatite/Norcantharidin Composite That Inhibits Osteosarcoma and Promotes Osteogenesis In Vitro. BIOMED RESEARCH INTERNATIONAL 2020; 2020:9825073. [PMID: 32076624 PMCID: PMC7013326 DOI: 10.1155/2020/9825073] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 09/10/2019] [Indexed: 12/29/2022]
Abstract
Hydroxyapatite can deliver drugs, and its composite material is capable of repairing bone defects in tumors. This study was conducted to evaluate the effect of composite materials on tumor growth inhibition and bone growth induction. Composites containing drug delivery compounds were synthesized by coprecipitation and freeze-drying and then characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier-transform infrared spectroscopy (FTIR). In addition, the effect of hydroxyapatite nanoparticles (nano-SHAP) on proliferation of an osteosarcoma cell line (MG-63) and an osteoblast cell line (MC3T3-E1) was evaluated, and its mechanism was studied. The use of nano-SHAP alone did not affect the proliferation of normal cell lines. However, nanoparticles containing different amounts of norcantharidin in the composite materials and had different inhibitory effects on osteosarcoma and different effects on osteoblasts. And, with the increase of the content of norcantharidin, the antitumor performance of the composite has been enhanced. In summary, the nano-SHAP system developed in this study is a drug delivery material that can inhibit the growth of tumors and induce the proliferation of osteoblasts.
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Affiliation(s)
- Zhipeng Huang
- The First Affiliated Hospital of Harbin Medical University, No. 23 Post Street, Nangang District, Harbin, Heilongjiang, China
| | - Haoyuan Sun
- The First Affiliated Hospital of Harbin Medical University, No. 23 Post Street, Nangang District, Harbin, Heilongjiang, China
| | - Yang Lu
- The First Affiliated Hospital of Harbin Medical University, No. 23 Post Street, Nangang District, Harbin, Heilongjiang, China
| | - Fengnian Zhao
- The First Affiliated Hospital of Harbin Medical University, No. 23 Post Street, Nangang District, Harbin, Heilongjiang, China
| | - Chang Liu
- The First Affiliated Hospital of Harbin Medical University, No. 23 Post Street, Nangang District, Harbin, Heilongjiang, China
| | - Qinglong Wang
- The First Affiliated Hospital of Harbin Medical University, No. 23 Post Street, Nangang District, Harbin, Heilongjiang, China
| | - Changming Zheng
- The First Affiliated Hospital of Harbin Medical University, No. 23 Post Street, Nangang District, Harbin, Heilongjiang, China
| | - Renpei Lu
- The First Affiliated Hospital of Harbin Medical University, No. 23 Post Street, Nangang District, Harbin, Heilongjiang, China
| | - Keguan Song
- The First Affiliated Hospital of Harbin Medical University, No. 23 Post Street, Nangang District, Harbin, Heilongjiang, China
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Wu C, Miao C, Tang Q, Zhou X, Xi P, Chang P, Hua L, Ni H. MiR-129-5p promotes docetaxel resistance in prostate cancer by down-regulating CAMK2N1 expression. J Cell Mol Med 2019; 24:2098-2108. [PMID: 31876385 PMCID: PMC7011149 DOI: 10.1111/jcmm.14050] [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] [Received: 03/27/2018] [Revised: 09/11/2018] [Accepted: 11/05/2018] [Indexed: 12/22/2022] Open
Abstract
This study focuses on the effect of miR‐129‐5p on docetaxel‐resistant (DR) prostate cancer (PCa) cells invasion, migration and apoptosis. In our study, the expression of CAMK2N1 was assessed by qRT‐PCR in PCa patient tissues and cell lines including PC‐3 and PC‐3‐DR. Cells transfected with miR‐129‐5p mimics, inhibitor, CAMK2N1 or negative controls (NC) were used to interrogate their effects on DR cell invasions, migrations and apoptosis during docetaxel (DTX) treatments. The apoptosis rate of the PCa cells was validated by flow cytometry. Relationships between miR‐129‐5p and CAMK2N1 levels were identified by qRT‐PCR and dual‐luciferase reporter assay. CAMK2N1 was found to be down‐expressed in DR PCa tissue sample, and low levels of CAMK2N1 were correlated with high docetaxel resistance and clinical prediction of poor survival. CAMK2N1 levels were decreased in DR PCa cells treated with DXT. We further explored that up‐regulation of miR‐129‐5p could promote DR PCa cells viability, invasion and migration but demote apoptosis. Involved molecular mechanism studies revealed that miR‐129‐5p reduced downstream CAMK2N1 expression to further impact on chemoresistance to docetaxel of PCa cells, indicating its vital role in PCa docetaxel resistance. Our findings revealed that miR‐129‐5p contributed to the resistance of PC‐3‐DR cells to docetaxel through suppressing CAMK2N1 expression, and thus targeting miR‐129‐5p may provide a novel therapeutic approach in sensitizing PCa to future docetaxel treatment.
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Affiliation(s)
- Cheng Wu
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Chunqing Miao
- Department of Urology, People's Hospital of Dongtai City, Dongtai, Jiangsu, China
| | - Qingsheng Tang
- Department of Urology, People's Hospital of Dongtai City, Dongtai, Jiangsu, China
| | - Xunrong Zhou
- Department of Urology, People's Hospital of Dongtai City, Dongtai, Jiangsu, China
| | - Pengshan Xi
- Department of Urology, People's Hospital of Dongtai City, Dongtai, Jiangsu, China
| | - Ping'an Chang
- Department of Urology, People's Hospital of Dongtai City, Dongtai, Jiangsu, China
| | - Lixin Hua
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Haodong Ni
- Department of Urology, People's Hospital of Dongtai City, Dongtai, Jiangsu, China
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Li Z, Lu J, Zeng G, Pang J, Zheng X, Feng J, Zhang J. MiR-129-5p inhibits liver cancer growth by targeting calcium calmodulin-dependent protein kinase IV (CAMK4). Cell Death Dis 2019; 10:789. [PMID: 31624237 PMCID: PMC6797732 DOI: 10.1038/s41419-019-1923-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 04/10/2019] [Accepted: 04/29/2019] [Indexed: 02/06/2023]
Abstract
This study was designed to investigate the mechanism by which miR-129-5p affects the biological function of liver cancer cells. The expression levels of miR-129–5p in liver cancer tissues and cells were, respectively, determined. Crystal violet staining and flow cytometry were used to detect cell proliferation and apoptosis. Wound healing assay and transwell assay were performed to test cell migration and invasion. The target gene of miR-129–5p was analyzed and verified by bioinformatics analysis and luciferase reporter assay. Tumorigenicity assays in nude mice were used to test the antitumor ability of calcium calmodulin-dependent protein kinase IV (CAMK4). miR-129–5p was found to be underexpressed in hepatocellular cancer tissues and cells and also to inhibit liver cells proliferation, migration, and invasion and promote apoptosis. CAMK4 was a direct target for miR-129–5p and was lowly expressed in liver cancer tissues and cells. CAMK4 was also found to inhibit liver cells proliferation, migration and invasion, and promote apoptosis. CAMK4 might exert an antitumor effect by inhibiting the activation of mitogen-activated protein kinase (MAPK). MiR-129–5p was a tumor suppressor with low expression in liver cancer tissues and cells. CAMK4, which is a direct target gene of miR-129–5p, could inhibit tumor by inhibiting the activation of MAPK signaling pathway.
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Affiliation(s)
- Zhengzhao Li
- Department of Emergency, the Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Junyu Lu
- Department of Intensive Care Unit, the Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Guang Zeng
- Department of Emergency, the Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jielong Pang
- Department of Emergency, the Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xiaowen Zheng
- Department of Emergency, the Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jihua Feng
- Department of Emergency, the Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jianfeng Zhang
- Department of Emergency, the Second Affiliated Hospital of Guangxi Medical University, Nanning, China.
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Progesterone receptor antagonist provides palliative effects for uterine leiomyoma through a Bcl-2/Beclin1-dependent mechanism. Biosci Rep 2019; 39:BSR20190094. [PMID: 31262976 PMCID: PMC6646233 DOI: 10.1042/bsr20190094] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 06/27/2019] [Accepted: 06/29/2019] [Indexed: 12/22/2022] Open
Abstract
Uterine leiomyoma is the most common benign smooth muscle tumor of uterus in women of reproductive age, with a high lifetime incidence. Nowadays, the exploration on the pharmacotherapies, such as progesterone receptor antagonist (PRA) requires more attention. Hence, the current study aimed to examine whether mifepristone, a PRA, influences the autophagy and apoptosis of uterine leiomyoma cells. Primary uterine leiomyoma cells were collected from 36 patients diagnosed with uterine leiomyoma to establish PR-M-positive (PR-M[+]) cells. The lentiviral vector overexpressing or silencing PR-M was subsequently delivered into one part of PR-M(+) cells in order to evaluate the role of PR-M in PR-M(+) cells. The results obtained revealed that cell viability was increased, while cell autophagy and apoptosis were diminished in the PR-M(+) cells treated with overexpressed PR-M, whereby the Bcl-2 level was elevated and the level of Beclin1 was reduced. An opposite trends were identified following treatment with knockdown of PR-M. Mifepristone at different concentrations (low, moderate, or high) was then applied to treat another part of the PR-M(+) cells. Mifepristone was identified to promote cell autophagy and apoptosis, decrease Bcl-2 level and increase Beclin1 level, accompanied by weakened interaction between Bcl-2 and Beclin1. Moreover, these effects of mifepristone on PR-M(+) cells were enhanced with increasing of the concentration. Taken together, the present study present evidence indicates the ability of PRA to regulate the Bcl-2/Beclin1 axis, ultimately promoting the autophagy and apoptosis of uterine leiomyoma cells, highlighting that PRA serves as a promising therapeutic target for the treatment of uterine leiomyoma.
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Contribution of p38 MAPK Pathway to Norcantharidin-Induced Programmed Cell Death in Human Oral Squamous Cell Carcinoma. Int J Mol Sci 2019; 20:ijms20143487. [PMID: 31315217 PMCID: PMC6678691 DOI: 10.3390/ijms20143487] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 07/08/2019] [Accepted: 07/13/2019] [Indexed: 01/22/2023] Open
Abstract
Norcantharidin (NCTD), a demethylated analog of cantharidin isolated from blister beetles, has been used as a promising anticancer agent; however, the underlying function of NCTD against human oral squamous cell carcinoma (OSCC) has not been fully understood. Here, this study was aimed to investigate the apoptotic effect and molecular targets of NCTD in human OSCC in vitro and in vivo. The anticancer effects of NCTD and its related molecular mechanisms were evaluated by trypan blue exclusion assay, live/dead assay, western blotting, 4-6-Diamidino-2-Phenylindole (DAPI) staining, flow cytometric analysis, Terminal Deoxynucleotidyl Transferase dUTP Nick end Labeling (TUNEL) assay, and immunohistochemistry. NCTD significantly inhibited cell growth and increased the number of dead cells in HSC-3 and HN22 cell lines. It induced the following apoptotic phenomena: (1) the cleavages of poly (ADP-ribose) polymerase and casepase-3; (2) increase in apoptotic morphological changes (nuclear condensation and fragmentation); (3) increase in annexin V-positive cells or sub-G1 population of cells. NCTD significantly activated the p38 mitogen-activated protein kinase (MAPK) pathway but inactivated the signal transducer and activator of transcription (STAT)3 pathway. A p38 MAPK inhibitor (SB203580) partially attenuated NCTD-induced programmed cell death (apoptosis) in both cell lines, whereas ectopic overexpression of STAT3 did not affect it. NCTD strongly suppressed tumor growth in the tumor xenograft bearing HSC-3 cells, and the number of TUNEL-positive cells increased in NCTD-treated tumor tissues. In addition, NCTD did not cause any histopathological changes in the liver nor the kidney. NCTD induced programmed cell death via the activation of p38 MAPK in OSCC. Therefore, these results suggest that NCTD could be a potential anticancer drug candidate for the treatment of OSCC.
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Zhang P, Yang X, Wang L, Zhang D, Luo Q, Wang B. Overexpressing miR‑335 inhibits DU145 cell proliferation by targeting early growth response 3 in prostate cancer. Int J Oncol 2019; 54:1981-1994. [PMID: 31081063 PMCID: PMC6521937 DOI: 10.3892/ijo.2019.4778] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 03/18/2019] [Indexed: 12/25/2022] Open
Abstract
MicroRNA-335 (miR-335) was reported to suppress cell proliferation in prostate cancer (PC), a common malignancy in males. The expression of early growth response 3 (EGR3) was determined to be elevated in human PC tissues; however, the possible effects and underlying mechanism of miR-335 on PC remains unknown. In the present study, miR-335 mimics and miR-335 inhibitors were respectively transfected into DU145 cells. Stable silencing of EGR3 was observed in DU145 cells following transfection with small interfering RNA. We also used Cell Counting Kit-8 and in vitro angiogenesis assays to determine the viability and revascularization potential of DU145 cells. The expression levels of EGR and caspase-3 activity were analyzed by immunohistochemistry and immunocytochemistry, respectively. We predicted the target of miR-335 by bioinformatics analysis and a dual-luciferase reporter gene assay. Western blot and quantitative real-time polymerase chain reaction analyses were performed to determine the protein and mRNA expression of molecules. miR-335 expression was downregulated in PC tissues and cell lines. Overexpression of miR-335 significantly reduced the viability and the formation of regenerative tubes of DU145 cells, and inhibited the expression of inflammatory factors. EGR3 was proposed as a possible target of miR-335, and was negatively regulated by miR-335. Silencing EGR3 suppressed the viability and angiogenesis of DU145 cells, and reduced the activity of caspase-3 and inflammatory factor expression. miR-335 inhibition along with EGR3 silencing EGR3 inhibited the cell proliferation. Furthermore, miR-335 inhibited the formation of a PC solid tumor xenograft in vivo. Thus, miR-335 may exert an antitumor effect on DU145 cells by regulating the expression of EGR3. The findings of the present study may provide insight into a novel therapeutic strategy for the treatment of prostatic carcinoma.
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Affiliation(s)
- Peng Zhang
- Department of Urinary Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi 710004, P.R. China
| | - Xiaojie Yang
- Department of Urinary Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi 710004, P.R. China
| | - Li Wang
- Department of Urinary Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi 710004, P.R. China
| | - Dong Zhang
- Department of Urinary Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi 710004, P.R. China
| | - Qidong Luo
- Department of Urinary Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi 710004, P.R. China
| | - Binxian Wang
- Department of Urinary Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi 710004, P.R. China
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Mei L, Sang W, Cui K, Zhang Y, Chen F, Li X. Norcantharidin inhibits proliferation and promotes apoptosis via c-Met/Akt/mTOR pathway in human osteosarcoma cells. Cancer Sci 2019; 110:582-595. [PMID: 30520540 PMCID: PMC6361574 DOI: 10.1111/cas.13900] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 11/20/2018] [Accepted: 11/27/2018] [Indexed: 12/20/2022] Open
Abstract
Osteosarcoma (OS) is the most common malignant bone tumor and frequently affects adolescents. Norcantharidin (NCTD), a demethylated derivative of cantharidin, has been reported to exhibit anticancer activity against various types of tumors but not human OS. The aim of the present study was to evaluate the effects of NCTD on OS cell lines (MG63 and HOS) and to explore the underlying mechanisms. In the present study, the proliferation of OS cells decreased significantly, while the apoptosis was accelerated significantly after exposure to NCTD. Meanwhile, our results also indicated that NCTD could suppress the migration and invasion, decrease the colony‐forming ability and induce S phase cell cycle arrest of OS cells in a dose‐dependent manner. Moreover, our results revealed that the anticancer effects induced by NCTD on OS cells involved autophagy, mitophagy, endoplasmic reticulum stress and c‐Met pathway. Furthermore, the results of animal experiments showed that NCTD inhibited tumor growth in a xenograft model of human OS. These results provide important new insight into the possible molecular mechanisms of NCTD and highlight its potential use as an antitumor drug for human OS.
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Affiliation(s)
- Liangwei Mei
- Department of Orthopaedics, The Fourth People's Hospital of Shaanxi, Xi'an, Shaanxi, China
| | - Wenhua Sang
- Department of Pathology, The Fourth People's Hospital of Shaanxi, Xi'an, Shaanxi, China
| | - Kai Cui
- Department of Pathology, The Fourth People's Hospital of Shaanxi, Xi'an, Shaanxi, China
| | - Yabin Zhang
- Department of Orthopaedics, The Fourth People's Hospital of Shaanxi, Xi'an, Shaanxi, China
| | - Fuchun Chen
- Department of Orthopaedics, The Fourth People's Hospital of Shaanxi, Xi'an, Shaanxi, China
| | - Xiaochun Li
- Department of Orthopaedics, The Fourth People's Hospital of Shaanxi, Xi'an, Shaanxi, China
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Shi X, Chen S, Zhang Y, Xie W, Hu Z, Li H, Li J, Zhou Z, Tan W. Norcantharidin inhibits the DDR of bladder cancer stem-like cells through cdc6 degradation. Onco Targets Ther 2019; 12:4403-4413. [PMID: 31239709 PMCID: PMC6560209 DOI: 10.2147/ott.s209907] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 05/14/2019] [Indexed: 01/16/2023] Open
Abstract
Introduction: Cancer stem cells (CSCs) are the main source of tumor resistance and recurrence. At present, the main treatment for patients with advanced or metastatic bladder cancer (BCa) is cisplatin-based combination chemotherapy. However, CSCs are not sensitive to DNA-damaging drugs due to their enhanced DNA damage response (DDR) activity. Materials and methods: Bladder cancer stem cell-like cells (BCSLCs) were obtained by treating UMUC3 cells with cisplatin. The characteristics of the BCSLCs were identified by qPCR, flow cytometry, scratch wound-healing assays, transwell assays, tumorigenic ability experiments, Edu assays and Western blot assays in vivo. After BCSLCs were treated with norcantharidin (NCTD), the expression of Cdc6 and activation of the ATR-Chk1 pathway were detected by Western blotting. A subcutaneous tumor model in nude mice was successfully established to assess the anti-tumor efficacy of NCTD and cisplatin either alone or in combination in vivo. The tumor tissues were detected by immunohistochemistry. Results: The derived BCSLCs showed higher expression of stemness markers, increased invasiveness, improved resistance to multiple chemotherapeutics, and higher tumorigenic capacity in vivo. The protein expression level of chromatin-binding Cdc6 was increased in BCSLCs; however, NCTD decreased the level of chromatin-binding Cdc6 and inhibited the activation of the ATR-Chk1 pathway, which ultimately led to reduction in DDR activity in BCSLCs. NCTD enhanced the killing effect of cisplatin on BCSLCs in vitro and vivo. NCTD combined with cisplatin enhanced cisplatin-induced DNA damage in BCSLCs. Conclusion: Long-term cisplatin treatment can enrich BCSLCs. However, NCTD enhanced the killing effect of cisplatin on BCSLCs in vitro and vivo. The mechanism is inhibiting the DDR activity by reducing the expression of chromatin-binding Cdc6.
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Affiliation(s)
- Xianghua Shi
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People’s Republic of China
- Department of Health Management, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People’s Republic of China
| | - Sansan Chen
- Department of Urology, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, Guangdong, People’s Republic of China
| | - Yongjun Zhang
- Institute of Biotherapy, School of Biotechnology, Southern Medical University, Guangzhou, Guangdong, People’s Republic of China
| | - Weiwei Xie
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People’s Republic of China
| | - Zhiming Hu
- Institute of Biotherapy, School of Biotechnology, Southern Medical University, Guangzhou, Guangdong, People’s Republic of China
| | - Hongwei Li
- Institute of Biotherapy, School of Biotechnology, Southern Medical University, Guangzhou, Guangdong, People’s Republic of China
| | - Jinlong Li
- Institute of Biotherapy, School of Biotechnology, Southern Medical University, Guangzhou, Guangdong, People’s Republic of China
| | - Zhongxin Zhou
- Department of Vascular Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, People’s Republic of China
- Zhongxin ZhouDepartment of Vascular Surgery, The Third Affiliated Hospital of Southern Medical University, No. 183, Zhongshan Avenue West, Guangzhou, Guangdong510630, People’s Republic of ChinaTel +861 852 037 6040Email
| | - Wanlong Tan
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People’s Republic of China
- Correspondence: Wanlong TanDepartment of Urology, Nanfang Hospital, Southern Medical University, No. 1838, Guangzhou Avenue North, Guangzhou, Guangdong510515, People’s Republic of ChinaTel +861 360 298 3938Email
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Chen F, Wang S, Wei Y, Wu J, Huang G, Chen J, Shi J, Xia J. Norcantharidin modulates the miR-30a/Metadherin/AKT signaling axis to suppress proliferation and metastasis of stromal tumor cells in giant cell tumor of bone. Biomed Pharmacother 2018; 103:1092-1100. [DOI: 10.1016/j.biopha.2018.04.100] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 04/13/2018] [Accepted: 04/13/2018] [Indexed: 12/24/2022] Open
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18
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Chen C, Wang K, Wang Q, Wang X. LncRNA HULC mediates radioresistance via autophagy in prostate cancer cells. ACTA ACUST UNITED AC 2018; 51:e7080. [PMID: 29694502 PMCID: PMC5937721 DOI: 10.1590/1414-431x20187080] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Accepted: 01/02/2018] [Indexed: 12/22/2022]
Abstract
Prostate cancer (PCa) is the second leading cause of cancer death in men. Irradiation is one of the available options for treatment of PCa, however, approximately 10-45% of PCa are resistant to irradiation. We aimed to explore the role of long non-coding RNA highly upregulated in liver cancer (HULC) in the sensitivity of PCa cells to irradiation. Survival rate, cell apoptosis, cycle, expressions of related proteins, and caspase-3 activity were assessed to explore the effects of HULC on sensitivity of PCa cells to irradiation. Expression of HULC in DU-145, PC3, LNCaP, and RWPE-1 cells was determined and the influence of HULC on DU-145 cells was explored. Then, PC3 cells aberrantly expressing HULC were implanted into NOD-SCID mice for tumor xenograft study. Changes of autophagy after aberrant expression of HULC in vivo and in vitro were tested. Furthermore, the interacted protein of HULC and involved signaling pathway were investigated. In PC3 and LNCaP cells under irradiation, survival rate and cell cycle were decreased and apoptosis was increased by HULC knockdown. HULC knockdown arrested PC3 cells at G0/G1 phase. DU-145 was sensitive to irradiation, and resistance to irradiation of DU-145 cells was enhanced by HULC overexpression. Moreover, HULC knockdown enhanced the sensitivity of PC3 xenografts to irradiation. HULC knockdown promoted autophagy through interaction with Beclin-1 and inhibition of mTOR, resulting in increased apoptosis. HULC knockdown improved sensitivity of PCa cells to irradiation both in vivo and in vitro. HULC suppressed Beclin-1 phosphorylation, thereby reduced autophagy, involving the mTOR pathway.
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Affiliation(s)
- Changxuan Chen
- Tengzhou Central People's Hospital, Department of Urology, Jining Medical College, Tengzhou, China
| | - Kaizhen Wang
- Tengzhou Central People's Hospital, Department of Urology, Jining Medical College, Tengzhou, China
| | - Qian Wang
- Tengzhou Central People's Hospital, Department of Traumatology, Jining Medical College, Tengzhou, China
| | - Xin Wang
- Tengzhou Central People's Hospital, Department of Urology, Jining Medical College, Tengzhou, China
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19
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Ji L, Zhong B, Jiang X, Mao F, Liu G, Song B, Wang CY, Jiao Y, Wang JP, Xu ZB, Li X, Zhan B. Actein induces autophagy and apoptosis in human bladder cancer by potentiating ROS/JNK and inhibiting AKT pathways. Oncotarget 2017; 8:112498-112515. [PMID: 29348843 PMCID: PMC5762528 DOI: 10.18632/oncotarget.22274] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 09/20/2017] [Indexed: 02/06/2023] Open
Abstract
Human bladder cancer is a common genitourinary malignant cancer worldwide. However, new therapeutic strategies are required to overcome its stagnated survival rate. Triterpene glycoside Actein (ACT), extracted from the herb black cohosh, suppresses the growth of human breast cancer cells. Our study attempted to explore the role of ACT in human bladder cancer cell growth and to reveal the underlying molecular mechanisms. We found that ACT significantly impeded the bladder cancer cell proliferation via induction of G2/M cycle arrest. Additionally, ACT administration triggered autophagy and apoptosis in bladder cancer cells, proved by the autophagosome formation, LC3B-II accumulation, improved cleavage of Caspases/poly (ADP-ribose) polymerase (PARP). Furthermore, reduction of reactive oxygen species (ROS) and p-c-Jun N-terminal kinase (JNK) could markedly reverse ACT-induced autophagy and apoptosis. In contrast, AKT and mammalian target of rapamycin (mTOR) were greatly de-phosphorylated by ACT, while suppressing AKT and mTOR activity could enhance the effects of ACT on apoptosis and autophagy induction. In vivo, ACT reduced the tumor growth with little toxicity. Taken together, our findings indicated that ACT suppressed cell proliferation, induced autophagy and apoptosis through promoting ROS/JNK activation, and blunting AKT pathway in human bladder cancer, which indicated that ACT might be an effective candidate against human bladder cancer in future.
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Affiliation(s)
- Lu Ji
- Department of Urology, Huai’an First People's Hospital, Nanjing Medical University, Huai’an 223300, China
| | - Bing Zhong
- Department of Urology, Huai’an First People's Hospital, Nanjing Medical University, Huai’an 223300, China
| | - Xi Jiang
- Department of Urology, Huai’an First People's Hospital, Nanjing Medical University, Huai’an 223300, China
| | - Fei Mao
- Department of Urology, Huai’an First People's Hospital, Nanjing Medical University, Huai’an 223300, China
| | - Gang Liu
- Department of Orthopaedics, Huai’an First People's Hospital, Nanjing Medical University, Huai’an 223300, China
| | - Bin Song
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Cheng-Yuan Wang
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Yong Jiao
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Jiang-Ping Wang
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Zhi-Bin Xu
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Xing Li
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Bo Zhan
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
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20
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Sun CY, Zhu Y, Li XF, Tang LP, Su ZQ, Wang XQ, Li CY, Yang HM, Zheng GJ, Feng B. Norcantharidin alone or in combination with crizotinib induces autophagic cell death in hepatocellular carcinoma by repressing c-Met-mTOR signaling. Oncotarget 2017; 8:114945-114955. [PMID: 29383132 PMCID: PMC5777744 DOI: 10.18632/oncotarget.22935] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Accepted: 11/15/2017] [Indexed: 12/14/2022] Open
Abstract
There is an urgent need for effective molecular therapies for hepatocellular carcinoma (HCC), the third-leading cause of cancer-related deaths worldwide. Norcantharidin (NCTD), a demethylated derivative of cantharidin, reportedly exhibits anticancer activity against various types of tumors, including HCC, though the mechanisms involved remain largely unknown. Here, we report that NCTD reduces viability of human MHCC-97H (97H) and HepG2 HCC cells, and induces cell death by triggering high levels of autophagy. Moreover, a significant attenuation of tumor growth was observed after NCTD treatment of HepG2 tumors in vivo, and this effect was enhanced by co-treatment with the c-Met inhibitor crizotinib. Interestingly, western blot analyses showed that the cytotoxic autophagy induced by NCTD correlates with a reduction in the phosphorylation status of both c-Met and m-TOR. These results suggest that cytotoxic autophagy resulting from inhibition of c-Met/mTOR signaling may be achieved in HCC by combined NCTD and crizotinib administration. Further studies to validate the therapeutic potential of this approach are warranted.
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Affiliation(s)
- Chao-Yue Sun
- Guangdong Provincial Hospital of Chinese Medicine, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Ying Zhu
- Guangdong Provincial Hospital of Chinese Medicine, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Xiao-Feng Li
- Clinical Medical College of Acupuncture and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
| | - Li-Peng Tang
- Guangdong Provincial Hospital of Chinese Medicine, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Zu-Qing Su
- Guangdong Provincial Hospital of Chinese Medicine, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Xie-Qi Wang
- Guangdong Provincial Hospital of Chinese Medicine, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Cai-Yun Li
- Guangdong Provincial Hospital of Chinese Medicine, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Hong-Mei Yang
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
| | - Guang-Juan Zheng
- Guangdong Provincial Hospital of Chinese Medicine, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Bing Feng
- Guangdong Provincial Hospital of Chinese Medicine, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510120, China
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Methylation of microRNA-129-5P modulates nucleus pulposus cell autophagy by targeting Beclin-1 in intervertebral disc degeneration. Oncotarget 2017; 8:86264-86276. [PMID: 29156793 PMCID: PMC5689683 DOI: 10.18632/oncotarget.21137] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 08/06/2017] [Indexed: 12/11/2022] Open
Abstract
MicroRNAs play an important role in the etiology and progression of many diseases, including intervertebral disc degeneration (IVDD). The miRNA miR-129-5P regulates autophagy in various cancers, but its role in human nucleus pulposus (NP) cells is unclear. The present study investigated whether miR-129-5p regulates the expression of Beclin-1 which is known to induce autophagy in NP cells by evaluating their levels in normal and degenerative disc tissues and human NP cells transfected with miR-129-5P mimic or inhibitor by quantitative real-time (qRT-)PCR, western blotting, flow cytometry, and immunofluorescence analysis. A bioinformatics analysis was used to predict the relationship between miR-129-5P and Beclin-1, which was confirmed by the dual luciferase assay. DNA methylation status was assessed by methylation-specific PCR, and the effect of demethylation on miR-129-5P level and autophagy was examined by qRT-PCR, western blotting, and flow cytometry. We found that miR-129-5P expression was downregulated while that of Beclin-1 and LC3-II was upregulated in degenerative disc NP cells. Meanwhile, autophagy was reduced in human NP cells transfected with miR-129-5P mimic, whereas the opposite result was observed upon treatment with miR-129-5P inhibitor. Bioinformatics analysis and the luciferase reporter assay revealed that Beclin-1 is a target of and is inhibited by miR-129-5P. We also found that CpG islands in the miR-129-5P promoter region were hypermethylated in degenerative as compared to normal disc tissue. Thus, miR-129-5P blocks NP cell autophagy by directly inhibiting Beclin-1, a process that is dependent on miR-129-5P promoter methylation.
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22
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AMPK activation-dependent autophagy compromises oleanolic acid-induced cytotoxicity in human bladder cancer cells. Oncotarget 2017; 8:67942-67954. [PMID: 28978086 PMCID: PMC5620226 DOI: 10.18632/oncotarget.18980] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Accepted: 06/16/2017] [Indexed: 12/25/2022] Open
Abstract
Autophagy is an evolutionarily conserved catabolic process in eukaryotic cells, which allows cells to overcome a wide array of of stresses and has recently been shown to result in drug resistance. This study examined the effect of autophagy on oleanolic acid (OA)-induced cytotoxicity against bladder cancer cells. Our study demonstrated that OA inhibited cell viability, proliferation, and induced apoptosis in bladder cancer lines T24 and EJ. Furthermore, OA induced autophagy in both cell lines by activating AMP-activated protein kinase (AMPK), inhibiting mechanistic target of rapamycin (mTOR) and promoting unc-51 like autophagy activating kinase 1 (ULK1). Moreover, inhibiting autophagy by siRNA to autophagy related 7 (ATG7) or with autophagy inhibitor bafilomycin A1 and 3-methyladenine (3-MA) or AMPK inhibitor dorsomorphin (compound C) promoted OA-induced deaths of bladder cancer cells. In contrast, either autophagy activator rapamycin or AMPK activator acadesine (AICAR) compromised OA-induced anti-cancer effect. Our findings suggested that OA induced protective autophagy through AMPK-mTOR-ULK1 signaling pathway in bladder cancer cells and OA in combination with autophagy inhibitor might be a novel alternative for the treatment of bladder cancer.
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Kumar A, Rimando AM, Levenson AS. Resveratrol and pterostilbene as a microRNA-mediated chemopreventive and therapeutic strategy in prostate cancer. Ann N Y Acad Sci 2017; 1403:15-26. [PMID: 28662290 DOI: 10.1111/nyas.13372] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 04/07/2017] [Accepted: 04/10/2017] [Indexed: 12/23/2022]
Abstract
Growing evidence indicates that deregulation of the epigenetic machinery comprising the microRNA (miRNA) network is a critical factor in the progression of various diseases, including cancer. Concurrently, dietary phytochemicals are being intensively studied for their miRNA-mediated health-beneficial properties, such as anti-inflammatory, cardioprotective, antioxidative, and anticancer properties. Available experimental data have suggested that dietary polyphenols may be effective miRNA-modulating chemopreventive and therapeutic agents. Moreover, noninvasive detection of changes in miRNA expression in liquid biopsies opens enormous possibilities for their clinical utilization as novel prognostic and predictive biomarkers. In our published studies, we identified resveratrol-regulated miRNA profiles in prostate cancer. Resveratrol downregulated the phosphatase and tensin homolog (PTEN)-targeting members of the oncogenic miR-17 family of miRNAs, which are overexpressed in prostate cancer. We have functionally validated the miRNA-mediated ability of resveratrol and its potent analog pterostilbene to rescue the tumor suppressor activity of PTEN in vitro and in vivo. Taken together, our findings implicate the use of resveratrol and its analogs as an attractive miRNA-mediated chemopreventive and therapeutic strategy in prostate cancer and the use of circulating miRNAs as potential predictive biomarkers for clinical development.
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Affiliation(s)
- Avinash Kumar
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, New York
| | - Agnes M Rimando
- United States Department of Agriculture, Agricultural Research Service, Natural Products Utilization Research Unit, Oxford, Mississippi
| | - Anait S Levenson
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, New York
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Spare LK, Falsetta P, Gilbert J, Harman DG, Baker MA, Li F, McCluskey A, Clegg JK, Sakoff JA, Aldrich-Wright JR, Gordon CP. Cytotoxicity of a Series of Norcantharidin-Inspired Tetrahydroepoxyisoindole Carboxamides. ChemMedChem 2017; 12:130-145. [PMID: 27921386 DOI: 10.1002/cmdc.201600573] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2016] [Revised: 12/04/2016] [Indexed: 01/18/2023]
Abstract
A series of 28 norcantharidin (NorC)-inspired analogues were accessed via a robust two-step Ugi intramolecular Diels-Alder (IMDA) sequence. Four analogues displayed whole-cell cytotoxicity equipotent to that of NorC and cisplatin against a number of cancer cell lines and a normal breast cell line (MCF10A). Notably, (3S,3aS,6R)-2-benzyl-7-methyl-N-(naphthalen-2-yl)-1-oxo-1,2,3,6-tetrahydro-3a,6-epoxyisoindole-3-carboxamide (trans-27) displayed superior whole-cell activity against breast (MCF-7, GI50 =2.9 μm) and colon (HT29, GI50 =6.4 μm) cancer cell lines relative to the control (cisplatin), which elicited respective GI50 values of 6.5 and 11.3 μm against the aforementioned cell lines. This analogue also displayed improved activity relative to NorC across the breast (MCF-7, GI50 =2.9 μm; NorC GI50 =7.5 μm), ovarian (A2780, GI50 =2.2 μm; NorC GI50 =4.4 μm), and neuroblastoma (BE2-C, GI50 =2.2 μm; NorC GI50 =3.7 μm) cancer cell lines. Structure-activity relationship (SAR) investigations demonstrated that retention of sp2 hybridized connections within the tetrahydroepoxyisoindole carboxamide scaffold is crucial, as aromatization to a phenolic functionality decreased activity, whereas removal of a single olefin bond abolished cytotoxicity. Nonetheless, with respect to the latter, use of crotonic acid as opposed 2-butynoic acid in the Ugi-IMDA sequence imparted a significant improvement to diastereoselectivity, with the cis/trans isomer ratio shifting from ≈1:1.2 to ≈0.5:9.5.
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Affiliation(s)
- Lawson K Spare
- School of Science and Health, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
| | - Pasquale Falsetta
- School of Science and Health, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
| | - Jayne Gilbert
- Calvary Mater Newcastle, Waratah, NSW, 2298, Australia
| | - David G Harman
- School of Medicine, Building 30, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia.,Molecular Medicine Research Group, School of Medicine, Building 30, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
| | - Mark A Baker
- Discipline of Biological Sciences, Priority Research Centre in Reproductive Biology, Faculty of Science and IT, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Feng Li
- School of Science and Health, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia.,Nanoscale Organisation and Dynamics Group, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
| | - Adam McCluskey
- Chemistry, School of Environmental and Life Science, The University of Newcastle, University Drive, Callaghan, NSW, 2308, Australia
| | - Jack K Clegg
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane Street, Lucia, QLD, 4072, Australia
| | | | - Janice R Aldrich-Wright
- School of Science and Health, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia.,Nanoscale Organisation and Dynamics Group, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
| | - Christopher P Gordon
- School of Science and Health, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia.,Nanoscale Organisation and Dynamics Group, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
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