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Jalal S, Zhang T, Deng J, Wang J, Xu T, Zhang T, Zhai C, Yuan R, Teng H, Huang L. β-elemene Isopropanolamine Derivative LXX-8250 Induces Apoptosis Through Impairing Autophagic Flux via PFKFB4 Repression in Melanoma Cells. Front Pharmacol 2022; 13:900973. [PMID: 36034839 PMCID: PMC9399853 DOI: 10.3389/fphar.2022.900973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 06/20/2022] [Indexed: 01/18/2023] Open
Abstract
Melanoma is a highly aggressive skin cancer and accounts for most of the skin cancer-related deaths. The efficacy of current therapies for melanoma remains to be improved. The isopropanolamine derivative of β-elemene LXX-8250 was reported to present better water solubility and stronger toxicity to tumor cells than β-elemene. Herein, LXX-8250 treatment showed 4-5-fold more toxicity to melanoma cells than the well-known anti-melanoma drug, Dacarbazine. LXX-8250 treatment induced apoptosis remarkably, which was caused by the impairment of autophagic flux. To clarify the molecular mechanism, microarray analyses were conducted, and PFKFB4 expression was found to be suppressed by LXX-8250 treatment. The cells overexpressed with PFKFB4 exhibited resistance to apoptosis induction and autophagic flux inhibition by LXX-8250 treatment. Moreover, LXX-8250 treatment suppressed glycolysis, to which the cells overexpressed with PFKFB4 were tolerant. LXX-8250 treatment inhibited the growth of melanoma xenografts and suppressed PFKFB4 expression and glycolysis in vivo. Taken together, LXX-8250 treatment induced apoptosis through inhibiting autophagic flux and glycolysis in melanoma cells, which was mediated by suppression of PFKFB4 expression. The study provides a novel strategy to melanoma treatment.
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Affiliation(s)
- Sajid Jalal
- Department of Pathophysiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Ting Zhang
- Department of Pathophysiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
- Liaoning Provincial Key Laboratory of Medical Molecular Biology, Dalian, China
| | - Jia Deng
- Department of Pathophysiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Jie Wang
- Department of Pathophysiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Ting Xu
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian, China
| | - Tianhua Zhang
- Department of Pathophysiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
- Liaoning Provincial Key Laboratory of Medical Molecular Biology, Dalian, China
| | - Chuanxin Zhai
- Department of Pathophysiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Ruqiang Yuan
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Hongming Teng
- Department of Pathophysiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
- Liaoning Provincial Key Laboratory of Medical Molecular Biology, Dalian, China
| | - Lin Huang
- Department of Pathophysiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
- Liaoning Provincial Key Laboratory of Medical Molecular Biology, Dalian, China
- *Correspondence: Lin Huang,
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Cai SZ, Xiong QW, Zhao LN, Ji YT, Luo ZX, Ma ZR. β-Elemene Triggers ROS-dependent Apoptosis in Glioblastoma Cells Through Suppressing STAT3 Signaling Pathway. Pathol Oncol Res 2021; 27:594299. [PMID: 34257541 PMCID: PMC8262204 DOI: 10.3389/pore.2021.594299] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 02/15/2021] [Indexed: 01/01/2023]
Abstract
Glioblastoma is one of the most aggressive primary brain tumors with few treatment strategies. β-Elemene is a sesquiterpene known to have broad spectrum antitumor activity against various cancers. However, the signaling pathways involved in β-elemene induced apoptosis of glioblastoma cells remains poorly understood. In this study, we reported that β-elemene exhibited antiproliferative activity on U87 and SHG-44 cells, and induced cell death through induction of apoptosis. Incubation of these cells with β-elemene led to the activation of caspase-3 and generation of reactive oxygen species (ROS). Western blot assay showed that β-elemene suppressed phosphorylation of STAT3, and subsequently down-regulated the activation of p-JAK2 and p-Src. Moreover, pre-incubation of cells with ROS inhibitor N-acetyl-L-cysteine (NAC) significantly reversed β-elemene-mediated apoptosis effect and down-regulation of JAK2/Src-STAT3 signaling pathway. Overall, our findings implied that generation of ROS and suppression of STAT3 signaling pathway is critical for the apoptotic activity of β-elemene in glioblastoma cells.
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Affiliation(s)
- Shi-Zhong Cai
- Department of Child and Adolescent Healthcare, Children's Hospital of Soochow University, Suzhou, China
| | - Qian-Wei Xiong
- Department of Surgery, Children's Hospital of Soochow University, Suzhou, China
| | - Li-Na Zhao
- Department of Laboratory Medicine, Key Laboratory of Clinical Immunology of Jiangsu Province, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yi-Ting Ji
- Department of Child and Adolescent Healthcare, Children's Hospital of Soochow University, Suzhou, China
| | - Zheng-Xiang Luo
- Department of Neurosurgery, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Zhou-Rui Ma
- Department of Surgery, Children's Hospital of Soochow University, Suzhou, China
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Chen Y, Zhu Z, Chen J, Zheng Y, Limsila B, Lu M, Gao T, Yang Q, Fu C, Liao W. Terpenoids from Curcumae Rhizoma: Their anticancer effects and clinical uses on combination and versus drug therapies. Biomed Pharmacother 2021; 138:111350. [PMID: 33721752 DOI: 10.1016/j.biopha.2021.111350] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 01/04/2021] [Accepted: 01/27/2021] [Indexed: 02/08/2023] Open
Abstract
Cancer is a fatal disease with high mortality and low survival rate worldwide. At present, there is still no known cure for most cancers. Traditional Chinese medicine (TCM) represents a noteworthy reservoir for anticancer agents in drug discovery and development. Curcumae Rhizoma (called Ezhu in Chinese) is widely prescribed in TCM for anticancer therapy owing to its broad-spectrum antineoplastic activities. Especially, the terpenoids isolated from the essential oil of Curcumae Rhizoma form an integral part of cancer research and are well established as a potential anticancer agent. For example, β-elemene has been developed into a new drug for the treatment of solid tumors in China, and is currently undergoing clinical trials in the United States. The review aims to systematically summarize the recent advances on the anticancer effects and related molecular mechanisms of Curcumae Rhizoma, and its terpenoids (β-elemene, Furanodiene, Furanodienone, Germacrone, Curcumol, Curdione). In addition, we evaluated and compared the anticancer efficacy and clinical use of the terpenoids with combination therapies and traditional therapies. Therefore, this review provides sufficient evidence for the anticancer therapeutic potential of Curcumae Rhizoma and its terpenoids, and will contribute to the development of potential anticancer drugs.
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Affiliation(s)
- Yi Chen
- College of Pharmacy, State Key Laboratory of Characteristic Chinese Drug Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
| | - Zongping Zhu
- College of Pharmacy, State Key Laboratory of Characteristic Chinese Drug Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
| | - Jiao Chen
- College of Pharmacy, State Key Laboratory of Characteristic Chinese Drug Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
| | - Yongfeng Zheng
- College of Pharmacy, State Key Laboratory of Characteristic Chinese Drug Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
| | - Boonjai Limsila
- Institute of Thai-Chinese Medicine Department of Thai Traditional and Alternative Medicines, Ministry of Public Health, Bangkok 11000, Thailand
| | - Meigui Lu
- Huachiew TCM Hospital, Bangkok 10100, Thailand
| | - Tianhui Gao
- College of Pharmacy, State Key Laboratory of Characteristic Chinese Drug Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
| | - Qingsong Yang
- College of Pharmacy, State Key Laboratory of Characteristic Chinese Drug Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
| | - Chaomei Fu
- College of Pharmacy, State Key Laboratory of Characteristic Chinese Drug Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China.
| | - Wan Liao
- College of Pharmacy, State Key Laboratory of Characteristic Chinese Drug Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China.
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Cao H, Li X, Wang F, Zhang Y, Xiong Y, Yang Q. Phytochemical-Mediated Glioma Targeted Treatment: Drug Resistance and Novel Delivery Systems. Curr Med Chem 2020; 27:599-629. [PMID: 31400262 DOI: 10.2174/0929867326666190809221332] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 03/15/2019] [Accepted: 07/23/2019] [Indexed: 02/08/2023]
Abstract
Glioma, especially its most malignant type, Glioblastoma (GBM), is the most common and the most aggressive malignant tumour in the central nervous system. Currently, we have no specific therapies that can significantly improve its dismal prognosis. Recent studies have reported promising in vitro experimental results of several novel glioma-targeting drugs; these studies are encouraging to both researchers and patients. However, clinical trials have revealed that novel compounds that focus on a single, clear glioma genetic alteration may not achieve a satisfactory outcome or have side effects that are unbearable. Based on this consensus, phytochemicals that exhibit multiple bioactivities have recently attracted much attention. Traditional Chinese medicine and traditional Indian medicine (Ayurveda) have shown that phytocompounds inhibit glioma angiogenesis, cancer stem cells and tumour proliferation; these results suggest a novel drug therapeutic strategy. However, single phytocompounds or their direct usage may not reverse comprehensive malignancy due to poor histological penetrability or relatively unsatisfactory in vivo efficiency. Recent research that has employed temozolomide combination treatment and Nanoparticles (NPs) with phytocompounds has revealed a powerful dual-target therapy and a high blood-brain barrier penetrability, which is accompanied by low side effects and strong specific targeting. This review is focused on major phytocompounds that have contributed to glioma-targeting treatment in recent years and their role in drug resistance inhibition, as well as novel drug delivery systems for clinical strategies. Lastly, we summarize a possible research strategy for the future.
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Affiliation(s)
- Hang Cao
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Xuejun Li
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Feiyifan Wang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Yueqi Zhang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Yi Xiong
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Qi Yang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
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5
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Molecular targets of β-elemene, a herbal extract used in traditional Chinese medicine, and its potential role in cancer therapy: A review. Biomed Pharmacother 2019; 114:108812. [PMID: 30965237 DOI: 10.1016/j.biopha.2019.108812] [Citation(s) in RCA: 136] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 03/18/2019] [Accepted: 03/26/2019] [Indexed: 12/11/2022] Open
Abstract
β-Elemene is a sesquiterpene compound extracted from the herb Curcuma Rhizoma and is used in traditional Chinese medicine (TCM) to treat several types of cancer, with no reported severe adverse effects. Recent studies, using in vitro and in vivo studies combined with molecular methods, have shown that β-elemene can inhibit cell proliferation, arrest the cell cycle, and induce cell apoptosis. Recent studies have identified the molecular targets of β-elemene that may have a role in cancer therapy. This review aims to discuss the anticancer potential of β-elemene through its actions on several molecular targets including kinase enzymes, transcription factors, growth factors and their receptors, and proteins. β-Elemene also regulates the expression of several key molecules that are involved in tumor angiogenesis and metastasis including vascular endothelial growth factor (VEGF), matrix metalloproteinases (MMPs), E-cadherin, N-cadherin, and vimentin. Also, β-elemene has been shown to have regulatory effects on the immune response and increases the sensitivity of cancer cells to chemoradiotherapy and has shown effects on multidrug resistance (MDR) in malignancy. Recent studies have shown that β-elemene can induce autophagy, which prevents cancer cells from undergoing apoptosis. Therefore, the molecular mechanisms for the treatment effects on cancer of the herbal extract, β-elemene, which has been used for centuries in traditional Chinese medicine, are now being studied and identified.
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Han Y, Zhang X, Lu Y, Dong Y, Fu H, Zhang B, Gao Y. Elemene treatment for NSCLC with multiple CNS metastases: a case report and literature review. Onco Targets Ther 2018; 11:6377-6382. [PMID: 30323615 PMCID: PMC6174310 DOI: 10.2147/ott.s160970] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
CNS metastases are common in patients with non-small-cell lung cancer (NSCLC) and is associated with poor prognosis. In NSCLC patients with EGFR mutations, and ALK fusion oncogene, chemotherapy is ineffective; however, targeted and pulse therapies may be used as alternative treatment options. Elemene can cross the blood-brain barrier and enter the brain tissue. In this paper, treatment consisting of elemene injections in a case of NSCLC with brain metastases, spinal metastases and a possible complication of leptomeningeal metastases is reported, and the efficacy of elemene in treating NSCLC with CNS metastases was investigated.
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Affiliation(s)
- Yushan Han
- Department of Oncology, The First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China, ;
| | - Xia Zhang
- Department of Oncology, The Fifth People's Hospital of Dalian, Dalian, People's Republic of China
| | - Yishan Lu
- Queen Mary University of London, London, UK
- Nanchang University, Nanchang, People's Republic of China
| | - Yan Dong
- Department of Oncology, The First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China, ;
| | - Hong Fu
- Department of Oncology, The First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China, ;
| | - Bin Zhang
- Department of Oncology, The First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China, ;
| | - Yajie Gao
- Department of Oncology, The First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China, ;
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Song D, Liang H, Qu B, Li Y, Liu J, Zhang Y, Li L, Hu L, Zhang X, Gao A. Ivermectin inhibits the growth of glioma cells by inducing cell cycle arrest and apoptosis in vitro and in vivo. J Cell Biochem 2018; 120:622-633. [PMID: 30596403 DOI: 10.1002/jcb.27420] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Accepted: 07/12/2018] [Indexed: 01/08/2023]
Abstract
Glioma, the most predominant primary malignant brain tumor, remains uncured due to the absence of effective treatments. Hence, it is imperative to develop successful therapeutic agents. This study aimed to explore the antitumor effects and mechanisms of ivermectin (IVM) in glioma cells in vitro and in vivo. The effects of IVM on cell viability, cell cycle arrest, apoptosis rate, and morphological characteristics were determined respectively by MTT assay/colony formation assay, flow cytometry, and transmission electron microscope. In addition, the expression levels of cycle-related and apoptosis-associated proteins were individually examined by Western blot analysis. Moreover, cell proliferation and apoptosis analyses were carried out by TUNEL, Ki-67, cleaved caspase-3, and cleaved caspase-9 immunostaining assay. Our results demonstrated that IVM has a potential dosage-dependent inhibition effect on the apoptosis rate of glioma cells. Meanwhile, the results also revealed that IVM induced apoptosis by increasing caspase-3 and caspase-9 activity, upregulating the expressions of p53 and Bax, downregulating Bcl-2, activating cleaved caspase-3 and cleaved caspase-9, and blocking cell cycle in G0/G1 phase by downregulating levels of CDK2, CDK4, CDK6, cyclin D1, and cyclin E. These findings suggest that IVM has an inhibition effect on the proliferation of glioma cells by triggering cell cycle arrest and inducing cell apoptosis in vitro and in vivo, and probably represents promising agent for treating glioma.
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Affiliation(s)
- Dandan Song
- College of Life Science, Northeast Agricultural University, Harbin, China
| | - Hongsheng Liang
- Key Laboratory of Neurosurgery, College of Heilongjiang Province, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Bo Qu
- College of Life Science, Northeast Agricultural University, Harbin, China
| | - Yijing Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Jingjing Liu
- College of Life Science, Northeast Agricultural University, Harbin, China
| | - Yanan Zhang
- College of Life Science, Northeast Agricultural University, Harbin, China
| | - Lu Li
- College of Life Science, Northeast Agricultural University, Harbin, China
| | - Li Hu
- Key Laboratory of Neurosurgery, College of Heilongjiang Province, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xiangtong Zhang
- Key Laboratory of Neurosurgery, College of Heilongjiang Province, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Aili Gao
- College of Life Science, Northeast Agricultural University, Harbin, China
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Ediriweera MK, Tennekoon KH, Samarakoon SR. A Review on Ethnopharmacological Applications, Pharmacological Activities, and Bioactive Compounds of Mangifera indica (Mango). EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2017; 2017:6949835. [PMID: 29456572 PMCID: PMC5804368 DOI: 10.1155/2017/6949835] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 10/29/2017] [Accepted: 11/19/2017] [Indexed: 12/19/2022]
Abstract
Mangifera indica (family Anacardiaceae), commonly known as mango, is a pharmacologically, ethnomedically, and phytochemically diverse plant. Various parts of M. indica tree have been used in traditional medicine for the treatment of different ailments, and a number of bioactive phytochemical constituents of M. indica have been reported, namely, polyphenols, terpenes, sterols, carotenoids, vitamins, and amino acids, and so forth. Several studies have proven the pharmacological potential of different parts of mango trees such as leaves, bark, fruit peel and flesh, roots, and flowers as anticancer, anti-inflammatory, antidiabetic, antioxidant, antibacterial, antifungal, anthelmintic, gastroprotective, hepatoprotective, immunomodulatory, antiplasmodial, and antihyperlipemic. In the present review, a comprehensive study on ethnopharmacological applications, pharmacological activities, and bioactive compounds of M. indica has been described.
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Affiliation(s)
- Meran Keshawa Ediriweera
- Institute of Biochemistry, Molecular Biology and Biotechnology, University of Colombo, 90 Cumaratunga Munidasa Mawatha, Colombo 03, Sri Lanka
| | - Kamani Hemamala Tennekoon
- Institute of Biochemistry, Molecular Biology and Biotechnology, University of Colombo, 90 Cumaratunga Munidasa Mawatha, Colombo 03, Sri Lanka
| | - Sameera Ranganath Samarakoon
- Institute of Biochemistry, Molecular Biology and Biotechnology, University of Colombo, 90 Cumaratunga Munidasa Mawatha, Colombo 03, Sri Lanka
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Ma C, Zhou W, Yan Z, Qu M, Bu X. β-Elemene treatment of glioblastoma: a single-center retrospective study. Onco Targets Ther 2016; 9:7521-7526. [PMID: 28003765 PMCID: PMC5161392 DOI: 10.2147/ott.s120854] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Glioblastoma (GBM) is the most common primary malignancy in the central nervous system. In this study, we investigated the therapeutic effects of β-elemene (ELE) treatment in patients with newly diagnosed GBM who received concomitant chemoradiotherapy and adjuvant chemotherapy with temozolomide. Our results indicated that compared with control, patients who received ELE showed significantly longer median progression-free survival (PFS) (8 months vs 11 months; P<0.001) and overall survival (OS) (18 months vs 21 months; P<0.001). Despite the O-6-methylguanine-DNA methyltransferase (MGMT) promoter methylation status, ELE treatment could significantly prolong the PFS (P=0.038) and OS (P=0.016). In multivariate analysis, ELE was a significant prognostic factor for PFS (hazard ratio [HR], 0.34; 95% confidence interval [95% CI]: 0.15–0.62; P=0.011) and OS (HR, 0.31; 95% CI: 0.14–0.69; P=0.006). Furthermore, ELE could significantly reduce the hematologic toxicities induced by chemoradiotherapy. In conclusion, ELE might provide a survival benefit in patients with GBM. Further study for verification might be needed.
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Affiliation(s)
- Chunxiao Ma
- Department of Neurosurgery, Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
| | - Wei Zhou
- Department of Neurosurgery, Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
| | - Zhaoyue Yan
- Department of Neurosurgery, Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
| | - Mingqi Qu
- Department of Neurosurgery, Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
| | - Xingyao Bu
- Department of Neurosurgery, Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
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Feng H, Wang J, Jiang H, Mei X, Zhao Y, Chen F, Qu Y, Sai K, Guo C, Yang Q, Zhang Z, Chen Z. β-Elemene Selectively Inhibits the Proliferation of Glioma Stem-Like Cells Through the Downregulation of Notch1. Stem Cells Transl Med 2016; 6:830-839. [PMID: 28297578 PMCID: PMC5442766 DOI: 10.5966/sctm.2016-0009] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Accepted: 09/01/2016] [Indexed: 12/21/2022] Open
Abstract
Glioma is the most frequent primary central nervous system tumor. Although the current first-line medicine, temozolomide (TMZ), promotes patient survival, drug resistance develops easily. Thus, it is important to investigate novel therapeutic reagents to solidify the treatment effect. β-Elemene (bELE) is a compound from a Chinese herb whose anticancer effect has been shown in various types of cancer. However, its role in the inhibition of glioma stem-like cells (GSLCs) has not yet been reported. We studied both the in vitro and the in vivo inhibitory effect of bELE and TMZ in GSLCs and parental cells and their combined effects. The molecular mechanisms were also investigated. We also optimized the delivery methods of bELE. We found that bELE selectively inhibits the proliferation and sphere formation of GSLCs, other than parental glioma cells, and TMZ exerts its effects on parental cells instead of GSLCs. The in vivo data confirmed that the combination of bELE and TMZ worked better in the xenografts of GSLCs, mimicking the situation of tumorigenesis of human cancer. Notch1 was downregulated with bELE treatment. Our data also demonstrated that the continuous administration of bELE produces an ideal effect to control tumor progression. Our findings have demonstrated, for the first time, that bELE could compensate for TMZ to kill both GSLCs and nonstem-like cancer cells, probably improving the prognosis of glioma patients tremendously. Notch1 might be a downstream target of bELE. Therefore, our data shed light on improving the outcomes of glioma patients by combining bELE and TMZ. Stem Cells Translational Medicine 2017;6:830-839.
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Affiliation(s)
- Hai‐bin Feng
- Department of Neurosurgery/Neuro‐Oncology, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, and Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, People’s Republic of China
- Department of Neurosurgery, Nongken Central Hospital of Guangdong, Zhanjiang, Guangdong, People’s Republic of China
| | - Jing Wang
- Department of Neurosurgery/Neuro‐Oncology, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, and Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, People’s Republic of China
| | - Hao‐ran Jiang
- Department of Neurosurgery/Neuro‐Oncology, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, and Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, People’s Republic of China
- Department of Neurosurgery, Huizhou First People's Hospital, Huizhou, Guangdong, People’s Republic of China
| | - Xin Mei
- Department of Neurosurgery/Neuro‐Oncology, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, and Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, People’s Republic of China
| | - Yi‐ying Zhao
- Department of Neurosurgery/Neuro‐Oncology, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, and Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, People’s Republic of China
| | - Fu‐rong Chen
- Department of Neurosurgery/Neuro‐Oncology, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, and Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, People’s Republic of China
| | - Yue Qu
- Department of Neurosurgery/Neuro‐Oncology, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, and Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, People’s Republic of China
- Department of Pharmacology, School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, People’s Republic of China
| | - Ke Sai
- Department of Neurosurgery/Neuro‐Oncology, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, and Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, People’s Republic of China
| | - Cheng‐cheng Guo
- Department of Neurosurgery/Neuro‐Oncology, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, and Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, People’s Republic of China
| | - Qun‐ying Yang
- Department of Neurosurgery/Neuro‐Oncology, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, and Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, People’s Republic of China
| | - Zong‐ping Zhang
- Department of Neurosurgery, Nongken Central Hospital of Guangdong, Zhanjiang, Guangdong, People’s Republic of China
| | - Zhong‐ping Chen
- Department of Neurosurgery/Neuro‐Oncology, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, and Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong, People’s Republic of China
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