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Waters JA, Urbano I, Robinson M, House CD. Insulin-like growth factor binding protein 5: Diverse roles in cancer. Front Oncol 2022; 12:1052457. [PMID: 36465383 PMCID: PMC9714447 DOI: 10.3389/fonc.2022.1052457] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 11/02/2022] [Indexed: 11/18/2022] Open
Abstract
Insulin-like growth factor binding proteins (IGFBPs) and the associated signaling components in the insulin-like growth factor (IGF) pathway regulate cell differentiation, proliferation, apoptosis, and adhesion. Of the IGFBPs, insulin-like growth factor binding protein 5 (IGFBP5) is the most evolutionarily conserved with a dynamic range of IGF-dependent and -independent functions, and studies on the actions of IGFBP5 in cancer have been somewhat paradoxical. In cancer, the IGFBPs respond to external stimuli to modulate disease progression and therapeutic responsiveness in a context specific manner. This review discusses the different roles of IGF signaling and IGFBP5 in disease with an emphasis on discoveries within the last twenty years, which underscore a need to clarify the IGF-independent actions of IGFBP5, the impact of its subcellular localization, the differential activities of each of the subdomains, and the response to elements of the tumor microenvironment (TME). Additionally, recent advances addressing the role of IGFBP5 in resistance to cancer therapeutics will be discussed. A better understanding of the contexts in which IGFBP5 functions will facilitate the discovery of new mechanisms of cancer progression that may lead to novel therapeutic opportunities.
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Affiliation(s)
- Jennifer A. Waters
- Biology Department, San Diego State University, San Diego, CA, United States
| | - Ixchel Urbano
- Biology Department, San Diego State University, San Diego, CA, United States
| | - Mikella Robinson
- Biology Department, San Diego State University, San Diego, CA, United States
| | - Carrie D. House
- Biology Department, San Diego State University, San Diego, CA, United States,Moore’s Cancer Center, University of California, San Diego, San Diego, CA, United States,*Correspondence: Carrie D. House,
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2
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Mo L, Zhang F, Chen F, Xia L, Huang Y, Mo Y, Zhang L, Huang D, He S, Deng J, Hao E, Du Z. Progress on structural modification of Tetrandrine with wide range of pharmacological activities. Front Pharmacol 2022; 13:978600. [PMID: 36052124 PMCID: PMC9424556 DOI: 10.3389/fphar.2022.978600] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 07/18/2022] [Indexed: 11/23/2022] Open
Abstract
Tetrandrine (Tet), derived from the traditional Chinese herb Fangji, is a class of natural alkaloids with the structure of bisbenzylisoquinoline, which has a wide range of physiological activities and significant pharmacfological effects. However, studies and clinical applications have revealed a series of drawbacks such as its poor water solubility, low bioavailability, and the fact that it can be toxic to humans. The results of many researchers have confirmed that chemical structural modifications and nanocarrier delivery can address the limited application of Tet and improve its efficacy. In this paper, we summarize the anti-tumor efficacy and mechanism of action, anti-inflammatory efficacy and mechanism of action, and clinical applications of Tet, and describe the progress of Tet based on chemical structure modification and nanocarrier delivery, aiming to explore more diverse structures to improve the pharmacological activity of Tet and provide ideas to meet clinical needs.
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Affiliation(s)
- Liuying Mo
- Guangxi Scientific Experimental Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Collaborative Innovation Center of Study on Functional Ingredients of Agricultural Residues, Nanning, China
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Nanning, China
| | - Fan Zhang
- Guangxi Scientific Experimental Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Collaborative Innovation Center of Study on Functional Ingredients of Agricultural Residues, Nanning, China
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Nanning, China
- Guangxi International Zhuang Medicine Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning, China
| | - Feng Chen
- Guangxi Scientific Experimental Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Collaborative Innovation Center of Study on Functional Ingredients of Agricultural Residues, Nanning, China
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Nanning, China
| | - Lei Xia
- Guangxi Scientific Experimental Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Collaborative Innovation Center of Study on Functional Ingredients of Agricultural Residues, Nanning, China
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Nanning, China
| | - Yi Huang
- Office of the President, Guangxi University of Chinese Medicine, Nanning, China
| | - Yuemi Mo
- Guangxi Scientific Experimental Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Collaborative Innovation Center of Study on Functional Ingredients of Agricultural Residues, Nanning, China
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Nanning, China
| | - Lingqiu Zhang
- Guangxi Scientific Experimental Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Collaborative Innovation Center of Study on Functional Ingredients of Agricultural Residues, Nanning, China
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Nanning, China
| | - Daquan Huang
- Guangxi Dahai Sunshine Pharmaceutical, Nanning, China
| | - Shunli He
- Guangxi Heli Pharmaceutical, Nanning, China
| | - Jiagang Deng
- Guangxi Scientific Experimental Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Collaborative Innovation Center of Study on Functional Ingredients of Agricultural Residues, Nanning, China
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Nanning, China
- *Correspondence: Jiagang Deng, ; Erwei Hao, ; Zhengcai Du,
| | - Erwei Hao
- Guangxi Scientific Experimental Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Collaborative Innovation Center of Study on Functional Ingredients of Agricultural Residues, Nanning, China
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Nanning, China
- *Correspondence: Jiagang Deng, ; Erwei Hao, ; Zhengcai Du,
| | - Zhengcai Du
- Guangxi Scientific Experimental Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, China
- Guangxi Collaborative Innovation Center of Study on Functional Ingredients of Agricultural Residues, Nanning, China
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Nanning, China
- *Correspondence: Jiagang Deng, ; Erwei Hao, ; Zhengcai Du,
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Deng Y, Yang X, Hua H, Zhang C. IGFBP5 is Upregulated and Associated with Poor Prognosis in Colorectal Cancer. Int J Gen Med 2022; 15:6485-6497. [PMID: 35966504 PMCID: PMC9365118 DOI: 10.2147/ijgm.s370576] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 07/28/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose This study aimed to investigate the role of IGFBP5 in colorectal cancer (CRC) and the relationship between the expression of IGFBP5 and clinicopathological parameters in CRC patients. Patients and Methods Immunohistochemical analysis was used to detect the expression of IGFBP5 and its correlation with clinicopathological parameters of CRC patients. Prognosis analysis, gene set enrichment analysis, and protein interaction network analysis were performed using bioinformatics analysis. The Genomics of Drug Sensitivity in Cancer (GDSC) dataset was used to analyze the correlation between the expression of IGFBP5 and drug resistance. Results Immunohistochemical analysis revealed that the expression of IGFBP5 was significantly higher in CRC tissues than in para-cancerous tissues (P < 0.05). High expression of IGFBP5 was associated with tumor differentiation and the N stage of CRC (P < 0.05). Moreover, high expression of IGFBP5 predicted worse overall survival and disease-free survival in CRC patients (P < 0.05). The expression of IGFBP5 was associated with cell–matrix adhesion, extracellular matrix binding, and collagen binding (P < 0.05). Furthermore, IGFBP5 was involved in the Hedgehog signaling pathway and PI3K-Akt signaling pathway (P < 0.05). IGF1, IGF2, SPP1, LTBP1, and FAM20C were most closely related to IGFBP5. Conclusion The expression of IGFBP5 is upregulated and associated with tumor differentiation, lymph node metastasis, drug resistance, and prognosis in CRC patients.
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Affiliation(s)
- Yu Deng
- Department of Pathology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Xu Yang
- Department of Pathology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Hongzhong Hua
- Department of Pathology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Cong Zhang
- Department of Pathology, Fuyang Hospital of Anhui Medical University, Fuyang, People's Republic of China
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Skelding KA, Barry DL, Theron DZ, Lincz LF. Targeting the two-pore channel 2 in cancer progression and metastasis. Exploration of Targeted Anti-tumor Therapy 2022; 3:62-89. [PMID: 36046356 PMCID: PMC9400767 DOI: 10.37349/etat.2022.00072] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 02/02/2022] [Indexed: 11/19/2022] Open
Abstract
The importance of Ca2+ signaling, and particularly Ca2+ channels, in key events of cancer cell function such as proliferation, metastasis, autophagy and angiogenesis, has recently begun to be appreciated. Of particular note are two-pore channels (TPCs), a group of recently identified Ca2+-channels, located within the endolysosomal system. TPC2 has recently emerged as an intracellular ion channel of significant pathophysiological relevance, specifically in cancer, and interest in its role as an anti-cancer drug target has begun to be explored. Herein, an overview of the cancer-related functions of TPC2 and a discussion of its potential as a target for therapeutic intervention, including a summary of clinical trials examining the TPC2 inhibitors, naringenin, tetrandrine, and verapamil for the treatment of various cancers is provided.
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Affiliation(s)
- Kathryn A. Skelding
- Cancer Cell Biology Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, The University of Newcastle, Callaghan, New South Wales 2308, Australia;Hunter Medical Research Institute, New Lambton Heights, New South Wales 2305, Australia
| | - Daniel L. Barry
- Cancer Cell Biology Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, The University of Newcastle, Callaghan, New South Wales 2308, Australia;Hunter Medical Research Institute, New Lambton Heights, New South Wales 2305, Australia
| | - Danielle Z. Theron
- Cancer Cell Biology Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, The University of Newcastle, Callaghan, New South Wales 2308, Australia;Hunter Medical Research Institute, New Lambton Heights, New South Wales 2305, Australia
| | - Lisa F. Lincz
- Cancer Cell Biology Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, The University of Newcastle, Callaghan, New South Wales 2308, Australia;Hunter Medical Research Institute, New Lambton Heights, New South Wales 2305, Australia;Hunter Hematology Research Group, Calvary Mater Newcastle Hospital, Waratah, New South Wales 2298, Australia
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Oliveira LFS, Predes D, Borges HL, Abreu JG. Therapeutic Potential of Naturally Occurring Small Molecules to Target the Wnt/β-Catenin Signaling Pathway in Colorectal Cancer. Cancers (Basel) 2022; 14:cancers14020403. [PMID: 35053565 PMCID: PMC8774030 DOI: 10.3390/cancers14020403] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 12/29/2021] [Accepted: 01/06/2022] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Colorectal cancer (CRC) is an emerging public health problem and the second leading cause of death worldwide, with a significant socioeconomic impact in several countries. The 5-year survival rate is only 12% due to the lack of early diagnosis and resistance to available treatments, and the canonical Wnt signaling pathway is involved in this process. This review underlines the importance of understanding the fundamental roles of this pathway in physiological and pathological contexts and analyzes the use of naturally occurring small molecules that inhibits the Wnt/β-catenin pathway in experimental models of CRC. We also discuss the progress and challenges of moving these small molecules off the laboratory bench into the clinical platform. Abstract Colorectal cancer (CRC) ranks second in the number of cancer deaths worldwide, mainly due to late diagnoses, which restrict treatment in the potentially curable stages and decrease patient survival. The treatment of CRC involves surgery to remove the tumor tissue, in addition to radiotherapy and systemic chemotherapy sessions. However, almost half of patients are resistant to these treatments, especially in metastatic cases, where the 5-year survival rate is only 12%. This factor may be related to the intratumoral heterogeneity, tumor microenvironment (TME), and the presence of cancer stem cells (CSCs), which is impossible to resolve with the standard approaches currently available in clinical practice. CSCs are APC-deficient, and the search for alternative therapeutic agents such as small molecules from natural sources is a promising strategy, as these substances have several antitumor properties. Many of those interfere with the regulation of signaling pathways at the central core of CRC development, such as the Wnt/β-catenin, which plays a crucial role in the cell proliferation and stemness in the tumor. This review will discuss the use of naturally occurring small molecules inhibiting the Wnt/β-catenin pathway in experimental CRC models over the past decade, highlighting the molecular targets in the Wnt/β-catenin pathway and the mechanisms through which these molecules perform their antitumor activities.
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Shang W, Zhang J, Song H, Zhu S, Zhang A, Hua Y, Han S, Fu Y. Mechanism of Tetrandrine Against Endometrial Cancer Based on Network Pharmacology. Drug Des Devel Ther 2021; 15:2907-2919. [PMID: 34262258 PMCID: PMC8275110 DOI: 10.2147/dddt.s307670] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 06/09/2021] [Indexed: 01/25/2023]
Abstract
Background Endometrial cancer (EC) is one of the most common gynaecological malignancies, and its incidence has been rising over the past decade. Tetrandrine, a bisbenzylisoquinoline alkaloid, has been isolated from a vine used in traditional Chinese medicine, Stephania tetrandra. However, the key mechanism of tetrandrine in EC is still unclear. Purpose This research was designed to predict the molecular mechanisms of tetrandrine against EC based on network pharmacology and to further verify these predictions by in vitro experiments. Methods The potential therapeutic targets of tetrandrine against EC were predicted by using public databases. Afterwards, the protein–protein interaction (PPI) network of the common targets was constructed, and the key gene targets were obtained. Biological function and pathway enrichment analyses were performed by Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses. Furthermore, molecular docking and in vitro experiments were carried out to verify the predictions. The cell counting kit‑8 (CCK‑8) assay, Hoechst 33258 staining, flow cytometry analysis, qRT-PCR, Western blot analysis and an immunofluorescence assay were performed. Results Our findings identified 111 potential therapeutic targets of tetrandrine against EC. We obtained 7 key gene targets from the PPI network analysis. Furthermore, GO enrichment analysis indicated that these targets were mainly associated with metabolic processes, responses to stimulus, and biological regulation. The KEGG pathway analysis showed that the common targets were mainly distributed in the PI3K/Akt signalling pathway. A potential interaction of tetrandrine with Akt1 was revealed by molecular docking. In addition, in vitro experiments showed that tetrandrine significantly inhibited cell proliferation and induced apoptosis in Ishikawa and HEC-1-B cells in dose- and time-dependent manners. The results also revealed that tetrandrine can downregulate the expression of Bcl-2 and upregulate the expression of Bax at the mRNA level. The mRNA levels of Akt were not significantly different in the various tetrandrine (0, 10 and 20µM) groups. However, Western blot analysis demonstrated that the protein expression ratios of p-Akt/Akt decreased at the protein level. The results were further confirmed by immunofluorescence assays. Conclusion Based on bioinformatic analysis and experimental verification, our findings demonstrated that tetrandrine exerted tumour-suppressive effects on EC by regulating the PI3K/Akt signalling pathway.
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Affiliation(s)
- Wenqian Shang
- Department of Traditional Chinese Medicine, Zibo Maternal and Child Health Hospital, Zibo, Shandong, 255000, People's Republic of China
| | - Jing Zhang
- Translational Medicine Center, Zibo Maternal and Child Health Hospital, Zibo, Shandong, 255000, People's Republic of China
| | - Haibo Song
- Translational Medicine Center, Zibo Maternal and Child Health Hospital, Zibo, Shandong, 255000, People's Republic of China
| | - Shunfei Zhu
- Clinical Laboratory, Zibo Maternal and Child Health Hospital, Zibo, Shandong, 255000, People's Republic of China
| | - Aimin Zhang
- Department of Traditional Chinese Medicine, Zibo Maternal and Child Health Hospital, Zibo, Shandong, 255000, People's Republic of China
| | - Yushuang Hua
- Department of Traditional Chinese Medicine, Zibo Maternal and Child Health Hospital, Zibo, Shandong, 255000, People's Republic of China
| | - Shujun Han
- Surgical Department, Zhangdian District Hospital of Traditional Chinese Medicine, Zibo, 255000, Shandong, People's Republic of China
| | - Yan Fu
- Shandong University of Technology, Zibo, 255000, Shandong, People's Republic of China
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Moreno SE, Massee M, Bara H, Koob TJ. Dehydrated human amniotic membrane modulates canonical Wnt signaling in multiple cell types in vitro. Eur J Cell Biol 2021; 100:151168. [PMID: 34246182 DOI: 10.1016/j.ejcb.2021.151168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/24/2021] [Accepted: 06/28/2021] [Indexed: 10/21/2022] Open
Abstract
Canonical Wnt signaling is a major pathway known to regulate diverse physiological processes in multicellular organisms. Signaling is tightly regulated by feedback mechanisms; however, persistent dysregulation of this pathway is implicated in the progression of multiple disease states. In this study, proteomic analysis identified endogenous Wnt antagonists in micronized dehydrated human amnion/chorion membrane (μdHACM); thereby, prompting a study to further characterize the intrinsic properties of μdHACM as it relates to Wnt activity, in vitro. A TCF/LEF reporter cell line demonstrated the general ability of μdHACM to inhibit β-catenin induced transcription activity. Furthermore, in vitro systems, modeling elevated Wnt signaling, were developed in relevant cell types including tenocytes, synoviocytes, and human dermal fibroblasts (HDFs). Stimulation of these cells with Wnt3A resulted in translocation of β-catenin to the nucleus and increased expression of Wnt related genes. The subsequent addition of μdHACM, in the continued presence of Wnt-stimulus, mitigated the downstream effects of Wnt3A in tenocytes, synoviocytes, and HDFs. Nuclear localization of β-catenin was abated with corresponding reduction of Wnt related gene expression. These data demonstrate the in vitro regulation of canonical Wnt signaling as an inherent property of μdHACM and a novel mechanism of action.
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Affiliation(s)
- Sarah E Moreno
- MiMedx Group, Inc. 1775 West Oak Commons Court NE, Marietta, GA 30062, USA
| | - Michelle Massee
- MiMedx Group, Inc. 1775 West Oak Commons Court NE, Marietta, GA 30062, USA.
| | - Heather Bara
- MiMedx Group, Inc. 1775 West Oak Commons Court NE, Marietta, GA 30062, USA
| | - Thomas J Koob
- MiMedx Group, Inc. 1775 West Oak Commons Court NE, Marietta, GA 30062, USA
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8
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Abstract
Tumors often secrete wasting factors associated with atrophy and the degeneration of host tissues. If tumors were to be affected by the wasting factors, mechanisms allowing tumors to evade the adverse effects of the wasting factors must exist, and impairing such mechanisms may attenuate tumors. We use Drosophila midgut tumor models to show that tumors up-regulate Wingless (Wg) to oppose the growth-impeding effects caused by the wasting factor, ImpL2 (insulin-like growth factor binding protein [IGFBP]-related protein). Growth of Yorkie (Yki)-induced tumors is dependent on Wg while either elimination of ImpL2 or elevation of insulin/insulin-like growth factor signaling in tumors revokes this dependency. Notably, Wg augmentation could be a general mechanism for supporting the growth of tumors with elevated ImpL2 and exploited to attenuate muscle degeneration during wasting. Our study elucidates the mechanism by which tumors negate the action of ImpL2 to uphold their growth during cachexia-like wasting and implies that targeting the Wnt/Wg pathway might be an efficient treatment strategy for cancers with elevated IGFBPs.
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Affiliation(s)
- Jiae Lee
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA 98195
| | - Katelyn G-L Ng
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA 98195
| | - Kenneth M Dombek
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA 98195
| | - Dae Seok Eom
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California, Irvine, CA 92697
| | - Young V Kwon
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA 98195;
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9
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Chan EWC, Wong SK, Chan HT. An overview on the chemistry, pharmacology and anticancer properties of tetrandrine and fangchinoline (alkaloids) from Stephania tetrandra roots. J Integr Med 2021; 19:311-316. [PMID: 33583757 DOI: 10.1016/j.joim.2021.01.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 12/07/2020] [Indexed: 01/26/2023]
Abstract
Tetrandrine (TET) and fangchinoline (FAN) are dominant bisbenzylisoquinoline (BBIQ) alkaloids from the roots of Stephania tetrandra of the family Menispermaceae. BBIQ alkaloids comprise two benzylisoquinoline units linked by oxygen bridges. The molecular structures of TET and FAN are exactly the same, except that TET has a methoxy (-OCH3) group, while FAN has a hydroxyl (-OH) group at C7. In this overview, the current knowledge on the chemistry, pharmacology and anticancer properties of TET and FAN have been updated. The focus is on colon and breast cancer cells, because they are most susceptible to TET and FAN, respectively. Against colon cancer cells, TET inhibits cell proliferation and tumor growth by inducing apoptosis and G1 cell cycle arrest, and suppresses adhesion, migration and invasion of cells. Against breast cancer cells, FAN inhibits cell proliferation by inducing apoptosis, G1-phase cell cycle arrest and inhibits cell migration. The processes involve various molecular mechanisms and signaling pathways. Some insights on the ability of TET and FAN to reverse multi-drug resistance in cancer cells and suggestions for future research are provided.
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Affiliation(s)
| | - Siu Kuin Wong
- School of Foundation Studies, Xiamen University Malaysia, Selangor 43900, Malaysia
| | - Hung Tuck Chan
- Secretariat of the International Society for Mangrove Ecosystems (ISME), Faculty of Agriculture, University of the Ryukyus, Okinawa 903-0129, Japan
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Maimaiti M, Sakamoto S, Yamada Y, Sugiura M, Rii J, Takeuchi N, Imamura Y, Furihata T, Ando K, Higuchi K, Xu M, Sazuka T, Nakamura K, Kaneda A, Kanai Y, Kyprianou N, Ikehara Y, Anzai N, Ichikawa T. Expression of L-type amino acid transporter 1 as a molecular target for prognostic and therapeutic indicators in bladder carcinoma. Sci Rep 2020; 10:1292. [PMID: 31992742 PMCID: PMC6987139 DOI: 10.1038/s41598-020-58136-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 01/09/2020] [Indexed: 12/24/2022] Open
Abstract
L-type amino acid transporter 1 (LAT1) plays a role in transporting essential amino acids including leucine, which regulates the mTOR signaling pathway. Here, we studied the expression profile and functional role of LAT1 in bladder cancer. Furthermore, the pharmacological activity of JPH203, a specific inhibitor of LAT1, was studied in bladder cancer. LAT1 expression in bladder cancer cells was higher than that in normal cells. SiLAT1 and JPH203 suppressed cell proliferative and migratory and invasive abilities in bladder cancer cells. JPH203 inhibited leucine uptake by > 90%. RNA-seq analysis identified insulin-like growth factor-binding protein-5 (IGFBP-5) as a downstream target of JPH203. JPH203 inhibited phosphorylation of MAPK / Erk, AKT, p70S6K and 4EBP-1. Multivariate analysis revealed that high LAT1 expression was found as an independent prognostic factor for overall survival (HR3.46 P = 0.0204). Patients with high LAT1 and IGFBP-5 expression had significantly shorter overall survival periods than those with low expression (P = 0.0005). High LAT1 was related to the high Grade, pathological T stage, LDH, and NLR. Collectively, LAT1 significantly contributed to bladder cancer progression. Targeting LAT1 by JPH203 may represent a novel therapeutic option in bladder cancer treatment.
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Affiliation(s)
- Maihulan Maimaiti
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Shinichi Sakamoto
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan.
| | - Yasutaka Yamada
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Masahiro Sugiura
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
- Department of Molecular Oncology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Junryo Rii
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Nobuyoshi Takeuchi
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
- Department of Tumor Pathology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yusuke Imamura
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Tomomi Furihata
- Department of Pharmacology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Keisuke Ando
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
- Department of Pharmacology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Kosuke Higuchi
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
- Department of Pharmacology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Minhui Xu
- Bio-system Pharmacology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tomokazu Sazuka
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Kazuyoshi Nakamura
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Atsushi Kaneda
- Department of Molecular Oncology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yoshikatsu Kanai
- Bio-system Pharmacology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Natasha Kyprianou
- Department of Urology, University of Kentucky College of Medicine, Lexington, KY, USA
| | - Yuzuru Ikehara
- Department of Tumor Pathology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Naohiko Anzai
- Department of Pharmacology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Tomohiko Ichikawa
- Department of Urology, Chiba University Graduate School of Medicine, Chiba, Japan
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Zhou Y, Mu L, Liu XL, Li Q, Ding LX, Chen HC, Hu Y, Li FS, Sun WJ, He BC, Wu K. Tetrandrine inhibits proliferation of colon cancer cells by BMP9/ PTEN/ PI3K/AKT signaling. Genes Dis 2019; 8:373-383. [PMID: 33997184 PMCID: PMC8093580 DOI: 10.1016/j.gendis.2019.10.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 10/15/2019] [Accepted: 10/30/2019] [Indexed: 12/26/2022] Open
Abstract
Despite advances in screening and treatment, colon cancer remains one of the leading causes of cancer-related death. Finding novel and useful drug treatment targets is also an urgent need for clinical applications. Tetrandrine (Tet) is extracted from the Chinese medicinal herbal medicine, which is a well-known calcium blocker with a variety of pharmacological activities, including anti-cancer. In this study, we recruited cell viability assay, flow cytometry analysis, cloning formation to confirm that Tet can inhibit the proliferation of SW620 cells, and induce apoptosis. Mechanically, we confirmed that Tet up-regulates the mRNA and protein level of BMP9 in SW620 cells. Over-expression BMP9 enhances the anti-cancer effects of Tet in SW620 cells, but these effects can be partly reversed by silencing BMP9. Also, Tet reduces phosphorylation of Aktl/2/3 in SW620 cells, which could be elevated by overexpressed BMP9 and impaired by silencing BMP9. Furthermore, we demonstrated that Tet reduces phosphorylated PTEN, which can be promoted by overexpressed BMP9, analogously also be attenuated through silencing BMP9. Finally, we introduced a xenograft tumor model to investigate the anti-proliferative effect of Tet, further to explore the effects of BMP9 and PTEN in SW620 cells. Our findings suggested that the anti-cancer activity of Tet in SW620 cells may be mediated partly by up-regulating BMP9, followed by inactivation PI3K/Akt through up-regulating PTEN at least.
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Affiliation(s)
- Ya Zhou
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China.,Key Laboratory of Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, 400016, PR China
| | - Li Mu
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China.,Key Laboratory of Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, 400016, PR China
| | - Xiao-Lu Liu
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China.,Key Laboratory of Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, 400016, PR China
| | - Qin Li
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China.,Key Laboratory of Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, 400016, PR China
| | - Li-Xuan Ding
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China
| | - Hong-Chuan Chen
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China
| | - Ying Hu
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China.,Key Laboratory of Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, 400016, PR China
| | - Fu-Shu Li
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China.,Key Laboratory of Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, 400016, PR China
| | - Wen-Juan Sun
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China.,Key Laboratory of Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, 400016, PR China
| | - Bai-Cheng He
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China.,Key Laboratory of Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, 400016, PR China
| | - Ke Wu
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China.,Key Laboratory of Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, 400016, PR China
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Dzobo K, Thomford NE, Senthebane DA. Targeting the Versatile Wnt/β-Catenin Pathway in Cancer Biology and Therapeutics: From Concept to Actionable Strategy. OMICS 2019; 23:517-538. [PMID: 31613700 DOI: 10.1089/omi.2019.0147] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
This expert review offers a critical synthesis of the latest insights and approaches at targeting the Wnt/β-catenin pathway in various cancers such as colorectal cancer, melanoma, leukemia, and breast and lung cancers. Notably, from organogenesis to cancer, the Wnt/β-catenin signaling displays varied and highly versatile biological functions in animals, with virtually all tissues requiring the Wnt/β-catenin signaling in one way or the other. Aberrant expression of the members of the Wnt/β-catenin has been implicated in many pathological conditions, particularly in human cancers. Mutations in the Wnt/β-catenin pathway genes have been noted in diverse cancers. Biochemical and genetic data support the idea that inhibition of Wnt/β-catenin signaling is beneficial in cancer therapeutics. The interaction of this important pathway with other signaling systems is also noteworthy, but remains as an area for further research and discovery. In addition, formation of different complexes by components of the Wnt/β-catenin pathway and the precise roles of these complexes in the cytoplasmic milieu are yet to be fully elucidated. This article highlights the latest medical technologies in imaging, single-cell omics, use of artificial intelligence (e.g., machine learning techniques), genome sequencing, quantum computing, molecular docking, and computational softwares in modeling interactions between molecules and predicting protein-protein and compound-protein interactions pertinent to the biology and therapeutic value of the Wnt/β-catenin signaling pathway. We discuss these emerging technologies in relationship to what is currently needed to move from concept to actionable strategies in translating the Wnt/β-catenin laboratory discoveries to Wnt-targeted cancer therapies and diagnostics in the clinic.
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Affiliation(s)
- Kevin Dzobo
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town, South Africa.,Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Nicholas Ekow Thomford
- Pharmacogenetics Research Group, Division of Human Genetics, Department of Pathology and Institute of Infectious Diseases and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Dimakatso A Senthebane
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town, South Africa.,Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
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13
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Liu D, Chen L, Zhao H, Vaziri ND, Ma S, Zhao Y. Small molecules from natural products targeting the Wnt/β-catenin pathway as a therapeutic strategy. Biomed Pharmacother 2019; 117:108990. [DOI: 10.1016/j.biopha.2019.108990] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 05/09/2019] [Accepted: 05/13/2019] [Indexed: 02/06/2023] Open
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14
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Bai XY, Liu YG, Song W, Li YY, Hou DS, Luo HM, Liu P. Anticancer activity of tetrandrine by inducing pro-death apoptosis and autophagy in human gastric cancer cells. J Pharm Pharmacol 2018; 70:1048-1058. [PMID: 29770446 DOI: 10.1111/jphp.12935] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 04/16/2018] [Indexed: 12/11/2022]
Abstract
OBJECTIVES To investigate the antitumour property of tetrandrine by inducing autophagy and apoptosis in human gastric cancer cells, and to explore the potential molecular mechanisms. METHODS The antitumour activity of tetrandrine was assessed through MTT assay. Apoptosis was measured by flow cytometry and microscopic examination of cellular morphology. The mitochondrial membrane potential was detected by staining with Rh-123. Induction of autophagy was monitored by transmission electron microscopy observation, using GFP-LC3 transfection. KEY FINDINGS The results revealed that tetrandrine exhibits significant antitumour activity against gastric human cancer cell and the antigastric tumour activity was depended on inducing autophagy and apoptosis through upregulating the apoptosis-related protein (cleaved PARP, cleaved caspase-3 and cleaved caspase-9) and autophagy-related protein (Beclin-1, LC3-II and p62), and decreasing the phosphorylation of AKT/mTOR, PS6K and P-4EBP1. Adding the inhibitor of autophagy, 3-MA or Baf-A1, increased the viability of tetrandrine-exposed gastric cancer cells, which confirmed the role of autophagy played in the gastric cancer cell death induced by tetrandrine. CONCLUSIONS These results demonstrated that the antitumour effects of tetrandrine by inducing autophagy and apoptosis involving Akt/mTOR pathway. Thus, tetrandrine may be a promising lead compound to be further developed in future for cancer therapy.
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Affiliation(s)
- Xin-Yu Bai
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, Guizhou, China
| | - Yuan-Gui Liu
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, Guizhou, China
| | - Wu Song
- College of Basic Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Ying-Ying Li
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, Guizhou, China
| | - Dong-Shun Hou
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, Guizhou, China
| | - Hao-Ming Luo
- College of Basic Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Ping Liu
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, Guizhou, China
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Lin WC, Wang WH, Lin YH, Leu JD, Cheng SY, Chen YJ, Hwang JJ. Synergistic effects of tetrandrine combined with ionizing radiation on a murine colorectal carcinoma‑bearing mouse model. Oncol Rep 2018; 40:1390-1400. [PMID: 30015952 PMCID: PMC6072404 DOI: 10.3892/or.2018.6568] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 07/06/2018] [Indexed: 12/27/2022] Open
Abstract
Tetrandrine (TET), a traditional Chinese clinical agent, has been used for the treatment of many diseases, including cancers. The purpose of the present study was to investigate the combined effects of TET and ionizing radiation (IR) on murine CT26 colorectal adenocarcinoma cells in vitro and in vivo. A CT26 cell line transfected with dual HSV-1 thymidine kinase and firefly luciferase (luc) reporter genes was used. The half-maximal inhibitory concentration (IC50) of TET in CT26/tk-luc cells was ~10 µM. An additive effect was observed after combination of both agents based on a colony formation assay. Apoptosis and cleaved caspase-3 levels were increased significantly in cells after combination treatment, as shown by flow cytometric analysis, DNA fragmentation and western blotting. However, tumor growth inhibition and therapeutic efficacy of TET combined with IR in vivo were identified to be synergistic, as monitored by tumor growth delay time, measured with a digital caliper. A significant inhibition of tumor growth was identified in the combination group compared with the radiation only group. Furthermore, non-invasive bioluminescent imaging (BLI) and gamma scintigraphy were also used to evaluate therapeutic efficacy. Both modalities revealed that the best tumor growth control was under combination treatment among all groups. The present study demonstrated that TET is not only beneficial for chemotherapy, but also has potential as a radiosensitizer for the treatment of cancer.
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Affiliation(s)
- Wei-Chan Lin
- Department of Radiology, Cathay General Hospital, Taipei 106, Taiwan, R.O.C
| | - Wei-Hsun Wang
- Department of Medical Imaging and Radiology, Shu‑Zen Junior College of Medicine and Management, Kaohsiung 821, Taiwan, R.O.C
| | - Yi-Hsien Lin
- Department of Radiation Oncology, Cheng Hsien General Hospital, Bei‑tou, Taipei 112, Taiwan, R.O.C
| | - Jyh-Der Leu
- Department of Radiation Oncology, Taipei City Hospital, Renai Branch, Taipei 242, Taiwan, R.O.C
| | - Shan-Yun Cheng
- Department of Biomedical Imaging and Radiological Sciences, National Yang‑Ming University, Taipei 112, Taiwan, R.O.C
| | - Yu-Jen Chen
- Department of Radiation Oncology, Mackay Memorial Hospital, Taipei 104, Taiwan, R.O.C
| | - Jeng-Jong Hwang
- Department of Biomedical Imaging and Radiological Sciences, National Yang‑Ming University, Taipei 112, Taiwan, R.O.C
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16
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Liu T, Liu X, Li W. Tetrandrine, a Chinese plant-derived alkaloid, is a potential candidate for cancer chemotherapy. Oncotarget 2018; 7:40800-40815. [PMID: 27027348 PMCID: PMC5130046 DOI: 10.18632/oncotarget.8315] [Citation(s) in RCA: 114] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Accepted: 03/10/2016] [Indexed: 12/19/2022] Open
Abstract
Cancer is a disease caused by the abnormal proliferation and differentiation of cells governed by tumorigenic factors. Chemotherapy is one of the major cancer treatment strategies, and it functions by targeting the physiological capabilities of cancer cells, including sustained proliferation and angiogenesis, the evasion of programmed cell death, tissue invasion and metastasis. Remarkably, natural products have garnered increased attention in the chemotherapy drug discovery field because they are biologically friendly and have high therapeutic effects. Tetrandrine, isolated from the root of Stephania tetrandra S Moore, is a traditional Chinese clinical agent for silicosis, autoimmune disorders, inflammatory pulmonary diseases, cardiovascular diseases and hypertension. Recently, the novel anti-tumor effects of tetrandrine have been widely investigated. More impressive is that tetrandrine affects multiple biological activities of cancer cells, including the inhibition of proliferation, angiogenesis, migration, and invasion; the induction of apoptosis and autophagy; the reversal of multidrug resistance (MDR); and the enhancement of radiation sensitization. This review focuses on introducing the latest information about the anti-tumor effects of tetrandrine on various cancers and its underlying mechanism. Moreover, we discuss the nanoparticle delivery system being developed for tetrandrine and the anti-tumor effects of other bisbenzylisoquinoline alkaloid derivatives on cancer cells. All current evidence demonstrates that tetrandrine is a promising candidate as a cancer chemotherapeutic.
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Affiliation(s)
- Ting Liu
- College of Life Sciences, Wuhan University, Wuhan, P. R. China
| | - Xin Liu
- Ministry of Education Laboratory of Combinatorial Biosynthesis and Drug Discovery, College of Pharmacy, Wuhan University, Wuhan, P. R. China
| | - Wenhua Li
- College of Life Sciences, Wuhan University, Wuhan, P. R. China
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17
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N B, K R C. Tetrandrine and cancer - An overview on the molecular approach. Biomed Pharmacother 2017; 97:624-632. [PMID: 29101806 DOI: 10.1016/j.biopha.2017.10.116] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 10/18/2017] [Accepted: 10/21/2017] [Indexed: 12/12/2022] Open
Abstract
Tetrandrine has been known in the treatment of tuberculosis, hyperglycemia, negative ionotropic and chronotropic effects on myocardium, malaria, cancer and fever since years together. It has been known that, tetrandrine could modulate multiple signaling molecules such as kinases of cell cycle and rat sarcoma (RAS) pathway along with proteins of tumor suppressor genes, autophagy related, β-catenins, caspases, and death receptors. Moreover, tetrandrine exhibited reversal of drug resistance by modulating P-glyco protein (P-gp) expression levels in different cancers which is an added advantage of this compound compared to other chemotherapy drugs. Though, bioavailability of tetrandrine is a limiting factor, the anticancer activity was observed in animal models without changing any pharmacokinetic parameters. In the present review, role of tetrandrine as kinase inhibitor, inducer of autophagy and caspase pathways and suppressor of RAS mediated cell proliferation were discussed along with inhibition of angiogenesis. It has also been discussed that how tetrandrine potentiate anticancer effect in different types of cancers by modulating multidrug resistance under in vitro and in vivo trials including the available literature on the clinical trials.
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Affiliation(s)
- Bhagya N
- Department of Applied Botany, Mangalore University, Mangalagangotri, Mangalore 574 199, Karnataka, India
| | - Chandrashekar K R
- Department of Applied Botany, Mangalore University, Mangalagangotri, Mangalore 574 199, Karnataka, India.
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18
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Tian DD, Zhang RX, Wu N, Yuan W, Luo SH, Chen HQ, Liu Y, Wang Y, He BC, Deng ZL. Tetrandrine inhibits the proliferation of human osteosarcoma cells by upregulating the PTEN pathway. Oncol Rep 2017; 37:2795-2802. [DOI: 10.3892/or.2017.5560] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Accepted: 01/16/2017] [Indexed: 11/05/2022] Open
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Ma JW, Zhang Y, Ye JC, Li R, Wen YL, Huang JX, Zhong XY. Tetrandrine Exerts a Radiosensitization Effect on Human Glioma through Inhibiting Proliferation by Attenuating ERK Phosphorylation. Biomol Ther (Seoul) 2017; 25:186-193. [PMID: 27829269 PMCID: PMC5340544 DOI: 10.4062/biomolther.2016.044] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 05/21/2016] [Accepted: 07/28/2016] [Indexed: 01/17/2023] Open
Abstract
Tetrandrine (Tet), a bisbenzylisoquinoline alkaloid, has been reported to have a radiosensitization effect on tumors. However, its effects on human glioma and the specific molecular mechanisms of these effects remain unknown. In this study, we demonstrated that Tet has a radiosensitization effect on human glioma cells. It has been hypothesized that Tet has a radiosensitization effect on glioma cells by affecting the glioma cell cycle and DNA repair mechanism and that ERK mediates these activities. Therefore, we conducted detailed analyses of the effects of Tet on the cell cycle by performing flow cytometric analysis and on DNA repair by detecting the expression of phosphorylated H2AX by immunofluorescence. We used western blot analysis to investigate the role of ERK in the effect of Tet on the cell cycle and DNA repair. The results revealed that Tet exerts its radiosensitization effect on glioma cells by inhibiting proliferation and decreasing the expression of phosphorylated ERK and its downstream proteins. In summary, our data indicate that ERK is involved in Tet-induced radiosensitization of glioma cells via inhibition of glioma cell proliferation or of the cell cycle at G0/G1 phase.
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Affiliation(s)
- Ji-Wei Ma
- Division of Pathology, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Medical College, Jinan University, Guangzhou 510632, China
| | - Yong Zhang
- Division of Pathology, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Medical College, Jinan University, Guangzhou 510632, China
| | - Ji-Cheng Ye
- Division of Pathology, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Medical College, Jinan University, Guangzhou 510632, China
| | - Ru Li
- Division of Pathology, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Medical College, Jinan University, Guangzhou 510632, China
| | - Yu-Lin Wen
- Division of Pathology, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Medical College, Jinan University, Guangzhou 510632, China
| | - Jian-Xian Huang
- Division of Pathology, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Medical College, Jinan University, Guangzhou 510632, China
| | - Xue-Yun Zhong
- Division of Pathology, Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Medical College, Jinan University, Guangzhou 510632, China
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Chen QZ, Li Y, Shao Y, Zeng YH, Ren WY, Liu RX, Zhou LY, Hu XL, Huang M, He F, Sun WJ, Wu K, He BC. TGF-β1/PTEN/PI3K signaling plays a critical role in the anti-proliferation effect of tetrandrine in human colon cancer cells. Int J Oncol 2017; 50:1011-1021. [PMID: 28197642 DOI: 10.3892/ijo.2017.3875] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 01/31/2017] [Indexed: 12/17/2022] Open
Abstract
The diagnosis and treatment for colon cancer have been greatly developed, but the prognosis remains unsatisfactory. There is still a great clinical need to explore new efficacious drugs for colon cancer treatment. Tetrandrine (Tet) is a bis-benzylisoquinoline alkaloid. It has been shown that Tet may be a potential candidate for cancer treatment, but the explicit mechanism underlying this activity remains unclear. In this study, we investigated the anticancer activity of Tet in human colon cancer cells and dissected the possible mechanism. With cell viability assay and flow cytometry analysis, we confirmed that Tet can effectively inhibit the proliferation and induce apoptosis in HCT116 cells. Mechanically, we found that Tet greatly increases the mRNA and protein level of TGF-β1 in HCT116 cells. Exogenous TGF-β1 enhances the anti-proliferation and apoptosis inducing effect of Tet in HCT116 cells, which has been partly reversed by TGF-β1 inhibitor. Tet decreases the phosphorylation of Akt1/2/3 in HCT116 cells. This effect can be enhanced by exogenous TGF-β1, but partly reversed by TGF-β1 inhibitor. Tet exhibits no effect on total level of PTEN, but decreases the phosphorylation of PTEN; exogenous TGF-β1 enhances the effect of Tet on decreasing the phosphorylation of PTEN, which was partly reversed by TGF-β1 inhibitor. Our findings suggested that Tet may be a promising candidate for colon cancer treatment, and the anticancer activity may be mediated by inactivating PI3K/Akt signaling through upregulating TGF-β1 to decrease the phosphorylation of PTEN.
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Affiliation(s)
- Qian-Zhao Chen
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Yang Li
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ying Shao
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Yu-Hua Zeng
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Wen-Yan Ren
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Rong-Xing Liu
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Lin-Yun Zhou
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Xue-Lian Hu
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ming Huang
- Chongqing Key Laboratory for Biochemistry and Molecular Pharmacology, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Fang He
- Chongqing Key Laboratory for Biochemistry and Molecular Pharmacology, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Wen-Juan Sun
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ke Wu
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Bai-Cheng He
- Department of Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, P.R. China
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Lan J, Wang N, Huang L, Liu Y, Ma X, Lou H, Chen C, Feng Y, Pan W. Design and synthesis of novel tetrandrine derivatives as potential anti-tumor agents against human hepatocellular carcinoma. Eur J Med Chem 2017; 127:554-66. [DOI: 10.1016/j.ejmech.2017.01.008] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 01/06/2017] [Accepted: 01/06/2017] [Indexed: 12/13/2022]
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Zhang Y, Wen YL, Ma JW, Ye JC, Wang X, Huang JX, Meng CY, Xu XZ, Wang SX, Zhong XY. Tetrandrine inhibits glioma stem-like cells by repressing β-catenin expression. Int J Oncol 2016; 50:101-110. [DOI: 10.3892/ijo.2016.3780] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Accepted: 11/07/2016] [Indexed: 11/05/2022] Open
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Abstract
Tetrandrine is one of the major active ingredients in Menispermaceae Stephania tetrandra S. Moore, and has specific therapeutic effects in ischemic cerebrovascular disease. Its use in vascular dementia has not been studied fully. Here, we investigated whether tetrandrine would improve behavioral and cellular impairments in a two-vessel occlusion rat model of chronic vascular dementia. Eight weeks after model establishment, rats were injected intraperitoneally with 10 or 30 mg/kg tetrandrine every other day for 4 weeks. Behavioral assessment in the Morris water maze showed that model rats had longer escape latencies in training trials, and spent less time swimming in the target quadrant in probe trials, than sham-operated rats. However, rats that had received tetrandrine showed shorter escape latencies and longer target quadrant swimming time than untreated model rats. Hematoxylin-eosin and Nissl staining revealed less neuronal necrosis and pathological damage, and more living cells, in the hippocampus of rats treated with tetrandrine than in untreated model rats. Western blot assay showed that interleukin-1β expression, and phosphorylation of the N-methyl-D-aspartate 2B receptor at tyrosine 1472, were lower in model rats that received tetrandrine than in those that did not. The present findings suggest that tetrandrine may be neuroprotective in chronic vascular dementia by reducing interleukin-1β expression, N-methyl-D-aspartate receptor 2B phosphorylation at tyrosine 1472, and neuronal necrosis.
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Affiliation(s)
- Yan-Ling Lv
- Laboratory Research Center, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ze-Zhi Wu
- Key Laboratory of Biorheological Science and Technology of the State Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, China
| | - Li-Xue Chen
- Laboratory Research Center, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Bai-Xue Wu
- Laboratory Research Center, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Lian-Lian Chen
- Laboratory Research Center, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Guang-Cheng Qin
- Laboratory Research Center, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Bei Gui
- Laboratory Research Center, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ji-Ying Zhou
- Laboratory Research Center, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Wu QX, Yuan SX, Ren CM, Yu Y, Sun WJ, He BC, Wu K. Oridonin upregulates PTEN through activating p38 MAPK and inhibits proliferation in human colon cancer cells. Oncol Rep 2016; 35:3341-8. [PMID: 27108927 DOI: 10.3892/or.2016.4735] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 01/12/2016] [Indexed: 11/06/2022] Open
Abstract
Oridonin (ORI) has been reported as an antiproliferation and apoptosis-inducing natural product in various cancer cells. However, the exact molecular mechanism underlying these effects remains unclear. In the present study, we demonstrated the antiproliferation effect of ORI in HCT116 cells, and analyzed the possible molecular mechanism which mediates this effect. We found that ORI inhibits proliferation, induces cell cycle arrest and apoptosis in HCT116 cells, thus also tumor growth. Mechanically, we found that ORI has no substantial effect on mRNA expression of phosphatase and tensin homologue (PTEN), but increases the total protein level of PTEN and markedly reduces the phosphorylation of PTEN; Exogenous expression of PTEN potentiates the anticancer effect of ORI, while knockdown of PTEN attenuates it. ORI also increases the phosphorylation of p38 MAPK, and p38 MAPK-specific inhibitor reduces the antiproliferation effect ORI in HCT116 cells. Moreover, inhibition of p38 MAPK increases the phosphorylation of PTEN, and reverses ORI-induced decrease of PTEN phosphorylation. Our findings suggested that ORI may be a potential anticancer drug for colon cancer, this effect may be mediated by enhancing the function of PTEN through reducing its phosphorylation, which may be resulted from the ORI-induced activation of p38 MAPK.
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Affiliation(s)
- Qiu-Xiang Wu
- Chongqing Municipal Key Laboratory of Higher Education Institutions for Biochemistry and Molecular Pharmacology, School of Pharmacy, Chongqing Medical University, Yuzhong, Chongqing 400016, P.R. China
| | - Shuang-Xue Yuan
- Chongqing Municipal Key Laboratory of Higher Education Institutions for Biochemistry and Molecular Pharmacology, School of Pharmacy, Chongqing Medical University, Yuzhong, Chongqing 400016, P.R. China
| | - Chun-Mei Ren
- Chongqing Municipal Key Laboratory of Higher Education Institutions for Biochemistry and Molecular Pharmacology, School of Pharmacy, Chongqing Medical University, Yuzhong, Chongqing 400016, P.R. China
| | - Yu Yu
- Chongqing Municipal Key Laboratory of Higher Education Institutions for Biochemistry and Molecular Pharmacology, School of Pharmacy, Chongqing Medical University, Yuzhong, Chongqing 400016, P.R. China
| | - Wen-Juan Sun
- Chongqing Municipal Key Laboratory of Higher Education Institutions for Biochemistry and Molecular Pharmacology, School of Pharmacy, Chongqing Medical University, Yuzhong, Chongqing 400016, P.R. China
| | - Bai-Cheng He
- Chongqing Municipal Key Laboratory of Higher Education Institutions for Biochemistry and Molecular Pharmacology, School of Pharmacy, Chongqing Medical University, Yuzhong, Chongqing 400016, P.R. China
| | - Ke Wu
- Chongqing Municipal Key Laboratory of Higher Education Institutions for Biochemistry and Molecular Pharmacology, School of Pharmacy, Chongqing Medical University, Yuzhong, Chongqing 400016, P.R. China
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KOU BO, LIU WEI, HE WENBO, ZHANG YUANYUAN, ZHENG JIANJIE, YAN YANG, ZHANG YONGJIAN, XU SUOCHUN, WANG HAICHEN. Tetrandrine suppresses metastatic phenotype of prostate cancer cells by regulating Akt/mTOR/MMP-9 signaling pathway. Oncol Rep 2016; 35:2880-6. [DOI: 10.3892/or.2016.4649] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 11/24/2015] [Indexed: 11/06/2022] Open
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Zhang Y, Liu W, He W, Zhang Y, Deng X, Ma Y, Zeng J, Kou B. Tetrandrine reverses epithelial-mesenchymal transition in bladder cancer by downregulating Gli-1. Int J Oncol 2016; 48:2035-42. [PMID: 26983576 DOI: 10.3892/ijo.2016.3415] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Accepted: 02/04/2016] [Indexed: 11/05/2022] Open
Abstract
Hedgehog (Hh) signaling pathway is considered to play a crucial role in vertebrate development and carcinogenesis. Additionally, epithelial-mesenchymal transition (EMT) is a cellular process during which epithelial cells become mesenchymal-appearing cells, facilitating cancer metastasis and invasion. Accumulating evidence has indicated that the Hh signaling pathway could potentiate the epithelial-mesenchymal transition (EMT). In the present study, we demonstrated that tetrandrine, a bisbenzylisoquinoline alkaloid isolated from Stephaniae, exerts its anti-metastatic ability in bladder cancer cells by regulating GLI family zinc finger 1 (Gli-1), a key factor of Hedgehog signaling pathway. In our study, we confirmed that tetrandrine could impede migration and invasion in bladder cancer 5637 and T24 cells. Additionally, tetrandrine reverses EMT by increasing the expression of E-cadherin and reducing the N-cadherin, vimentin and Slug expression in a dose-dependent manner. Interestingly, tetrandrine also decreases mobility and reduces the expression of Gli-1 in bladder cancer cells. Moreover, we verified that tetrandrine inhibits metastasis and induces mesenchymal-epithelial transition (MET) of bladder cancer through downregulation of Gli-1, which could be partially reversed by Gli-1 overexpression. In conclusion, our findings show that tetrandrine inhibits migration and invasion, and reverses EMT of bladder cancer cells through negatively regulating Gli-1. It indicates that Gli-1 may be a potential therapeutic target of tetrandrine against bladder cancer.
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Affiliation(s)
- Yongjian Zhang
- Department of Cadiovascular Sugery, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Wei Liu
- Department of Urology, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Wenbo He
- Medical School, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Yuanyuan Zhang
- Department of Burn and Plastic Surgery, Xi'an Central Hospital, Xi'an, Shaanxi 710061, P.R. China
| | - Xiuling Deng
- Medical School, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Yanmin Ma
- Department of Reproductive Medicine, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Jin Zeng
- Department of Urology, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Bo Kou
- Department of Cadiovascular Sugery, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
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Meng R, Li K, Chen Z, Shi C. Multilayer Coating of Tetrandrine-loaded PLGA nanoparticles: Effect of surface charges on cellular uptake rate and drug release profile. ACTA ACUST UNITED AC 2016; 36:14-20. [DOI: 10.1007/s11596-016-1535-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Revised: 12/28/2015] [Indexed: 10/22/2022]
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Kuete V, Sandjo LP, Mbaveng AT, Zeino M, Efferth T. Cytotoxicity of compounds from Xylopia aethiopica towards multi-factorial drug-resistant cancer cells. Phytomedicine 2015; 22:1247-1254. [PMID: 26655407 DOI: 10.1016/j.phymed.2015.10.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Revised: 10/08/2015] [Accepted: 10/20/2015] [Indexed: 06/05/2023]
Abstract
INTRODUCTION Multidrug resistance (MDR) in cancer represent a major hurdle in chemotherapy. Previously, the methanol extract of the medicinal spice Xylopia aethiopica displayed considerable cytotoxicity against multidrug resistant (MDR) cancer cell lines. METHODS The present study was designed to assess the cytotoxicity of compounds, 16α-hydroxy-ent-kauran-19-oic acid (2), 3,4',5-trihydroxy-6″,6″-dimethylpyrano[2,3-g]flavone (3), isotetrandrine (5) and trans-tiliroside (6) derived from the methanol crude extract of Xylopia aethiopica against 9 drug-sensitive and -resistant cancer cell lines. The resazurin reduction assay was used to evaluate the cytotoxicity of these compounds, whilst caspase-Glo assay was used to detect caspase activation. Cell cycle, mitochondrial membrane potential (MMP) and levels of reactive oxygen species (ROS) were all analyzed via flow cytometry. RESULTS Flavonoid 3 and alkaloid 5 also displayed IC50 values ranging from 2.61 µM (towards leukemia CCRF-CEM cells) to 18.60 µM (towards gliobastoma multiforme U87MG.ΔEGFR cells) and from 1.45 µM (towards HepG2 cells) to 7.28 µM (towards MDA-MB-231-pcDNA cells), respectively. IC50 values ranged from 0.20 µM (against CCRF-CEM cells) to 195.12 µM (against CEM/ADR5000 cells) for doxorubicin. Compound 3 induced apoptosis in leukemia CCRF-CEM cells mediated by the disruption of the MMP, whilst 5 induced apoptosis mediated by ROS production. CONCLUSIONS Compounds 2 and 5 represent potential cytotoxic phytochemicals that deserve more investigations to develop novel antineoplastic drugs against multifactorial drug-resistant cancers.
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Affiliation(s)
- Victor Kuete
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, University of Mainz, Staudinger Weg 5, 55128 Mainz, Germany; Department of Biochemistry, Faculty of Science, University of Dschang, Cameroon
| | - Louis P Sandjo
- Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - Armelle T Mbaveng
- Department of Biochemistry, Faculty of Science, University of Dschang, Cameroon
| | - Maen Zeino
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, University of Mainz, Staudinger Weg 5, 55128 Mainz, Germany
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, University of Mainz, Staudinger Weg 5, 55128 Mainz, Germany.
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Li D, Lu Y, Sun P, Feng LX, Liu M, Hu LH, Wu WY, Jiang BH, Yang M, Qu XB, Guo DA, Liu X. Inhibition on Proteasome β1 Subunit Might Contribute to the Anti-Cancer Effects of Fangchinoline in Human Prostate Cancer Cells. PLoS One 2015; 10:e0141681. [PMID: 26512898 PMCID: PMC4626104 DOI: 10.1371/journal.pone.0141681] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 10/11/2015] [Indexed: 11/28/2022] Open
Abstract
Fangchinoline is a bisbenzylisoquinoline alkaloid isolated from Radix Stephaniae tetrandrae S. Moore. Fangchinoline and its structure analogue, tetrandrine, exhibited direct binding affinity with recombinant human proteasome β1 subunit and also inhibited its activity in vitro. In cultured prostate PC-3 cells and LnCap cells, fangchinoline could dose-dependently inhibit cell proliferation and caspase-like activity of cellular proteasome which was mediated by proteasome β1 subunit. The inhibitive effect of fangchinoline on caspase-like activity of proteasome was also observed in purified human erythrocyte 20S proteasome. In PC-3 cells, fangchinoline induced cell cycle arrest at G0/G1 phase and apoptosis. Treatment of PC-3 tumor-bearing nude mice with fangchinoline inhibited tumor growth, induced apoptosis and also caused decrease in proteasome activities in tumor xenografts. Dose-dependent and time-dependent accumulation of ubiquitinated proteins and important proteasome substrates such as p27, Bax and IκB-α were observed in fangchinoline-treated cells. Over-expression of proteasome β1 subunit by plasmid transfection increased sensitivity of cells to the cytotoxicity of fangchinoline while knockdown of proteasome β1 subunit ameliorated cytotoxicity of fangchinoline in PC-3 cells. Results of the present study suggested that proteasome inhibition was involved in the anti-cancer effects of fangchinoline. Fangchinoline and its structure analogues might be new natural proteasome inhibitors targeting β1 subunit.
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Affiliation(s)
- Dong Li
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P.R. China
- Changchun University of Chinese Medicine, Changchun 130117, P.R. China
| | - Yu Lu
- Nanjing Tianyi Bioscience Co. Ltd, Nanjing 210061, P.R. China
| | - Peng Sun
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P.R. China
| | - Li-Xing Feng
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P.R. China
| | - Miao Liu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P.R. China
| | - Li-Hong Hu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P.R. China
| | - Wan-Ying Wu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P.R. China
| | - Bao-Hong Jiang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P.R. China
| | - Min Yang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P.R. China
| | - Xiao-Bo Qu
- Changchun University of Chinese Medicine, Changchun 130117, P.R. China
| | - De-An Guo
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P.R. China
- * E-mail: (DG); (XL)
| | - Xuan Liu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P.R. China
- * E-mail: (DG); (XL)
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