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Sheida A, Farshadi M, Mirzaei A, Najjar Khalilabad S, Zarepour F, Taghavi SP, Hosseini Khabr MS, Ravaei F, Rafiei S, Mosadeghi K, Yazdani MS, Fakhraie A, Ghattan A, Zamani Fard MM, Shahyan M, Rafiei M, Rahimian N, Talaei Zavareh SA, Mirzaei H. Potential of Natural Products in the Treatment of Glioma: Focus on Molecular Mechanisms. Cell Biochem Biophys 2024:10.1007/s12013-024-01447-x. [PMID: 39150676 DOI: 10.1007/s12013-024-01447-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/17/2024] [Indexed: 08/17/2024]
Abstract
Despite the waning of traditional treatments for glioma due to possible long-term issues, the healing possibilities of substances derived from nature have been reignited in the scientific community. These natural substances, commonly found in fruits and vegetables, are considered potential alternatives to pharmaceuticals, as they have been shown in prior research to impact pathways surrounding cancer progression, metastases, invasion, and resistance. This review will explore the supposed molecular mechanisms of different natural components, such as berberine, curcumin, coffee, resveratrol, epigallocatechin-3-gallate, quercetin, tanshinone, silymarin, coumarin, and lycopene, concerning glioma treatment. While the benefits of a balanced diet containing these compounds are widely recognized, there is considerable scope for investigating the efficacy of these natural products in treating glioma.
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Affiliation(s)
- Amirhossein Sheida
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | | | - Amirhossein Mirzaei
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shakiba Najjar Khalilabad
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fatemeh Zarepour
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Seyed Pouya Taghavi
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Maryam Sadat Hosseini Khabr
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Fatemeh Ravaei
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Sara Rafiei
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences (IUMS), Tehran, Iran
- Department of Internal Medicine, School of Medicine, Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Kimia Mosadeghi
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Sepehr Yazdani
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Ali Fakhraie
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Alireza Ghattan
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Masoud Zamani Fard
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Maryam Shahyan
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Moein Rafiei
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Neda Rahimian
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences (IUMS), Tehran, Iran.
- Department of Internal Medicine, School of Medicine, Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran.
| | | | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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Zhang W, He Y, Chen F, Wang C, Kang X, Peng Y, Li W. Chinese Dietary Indices and Glioma: New Insights of a Case-Control Study in the Chinese Population. Nutrients 2023; 15:3602. [PMID: 37630792 PMCID: PMC10457799 DOI: 10.3390/nu15163602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/10/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Identifying modifiable factors in primary prevention strategies is a typical goal of glioma epidemiology. Among many glioma risk factors, diet was always considered as one. Most of the relevant studies thus far were concentrated on the West. It was crucial to investigate the connection between the Chinese diet and gliomas given the stark variations between western and eastern diets. A food frequency questionnaire including 114 items was used to investigate the food intake of the study subjects. The Chinese Dietary Quality Index (CDQI), the Chinese Dietary Balance Index (CDBI), the Dietary Antioxidant Index (DAI), the Dietary Inflammation Index (DII), and the Chinese Healthy Eating Index (CHEI) were calculated based on the data provided by the food frequency questionnaire to evaluate dietary quality, dietary balance, dietary antioxidants, dietary inflammation and adherence to the Chinese dietary guidelines in 506 glioma patients and 506 controls, respectively. After adjusting covariates, CHEI (OR = 0.90, 95% CI: 0.88-0.93) and DAI (OR = 0.61, 95% CI: 0.54-0.70) were correlated to a reduced glioma risk, and CDBI-based undernutrition (OR = 1.08, 95% CI: 1.06-1.12) and overnutrition (OR = 1.14, 95% CI: 1.09-1.20) and DII (OR = 2.20, 95% CI: 1.81-2.68) were correlated to an elevated glioma risk. Moreover, restrictive cubic spline analysis showed that there were significant nonlinear dose-response relationships between CHEI, CDBI, DAI, DII, and glioma. Therefore, adhering to the Chinese dietary guidelines was connected with a lower glioma risk, and undernutrition and overnutrition in the Chinese diet were associated with an increased risk of glioma.
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Affiliation(s)
| | | | | | | | | | | | - Wenbin Li
- Department of Neuro-Oncology, Cancer Center, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China; (W.Z.); (Y.H.); (F.C.); (C.W.); (X.K.); (Y.P.)
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Liu X, Xiao X, Han X, Yao L, Lan W. Natural flavonoids alleviate glioblastoma multiforme by regulating long non-coding RNA. Biomed Pharmacother 2023; 161:114477. [PMID: 36931030 DOI: 10.1016/j.biopha.2023.114477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/28/2023] [Accepted: 03/02/2023] [Indexed: 03/17/2023] Open
Abstract
Glioblastoma multiforme (GBM) is one of the most common primary malignant brain tumors in adults. Due to the poor prognosis of patients, the median survival time of GBM is often less than 1 year. Therefore, it is very necessary to find novel treatment options with a good prognosis for the treatment or prevention of GBM. In recent years, flavonoids are frequently used to treat cancer. It is a new attractive molecule that may achieve this promising treatment option. Flavonoids have been proved to have many biological functions, such as antioxidation, prevention of angiogenesis, anti-inflammation, inhibition of cancer cell proliferation, and protection of nerve cells. It has also shown the ability to regulate long non-coding RNA (LncRNA). Studies have confirmed that flavonoids can regulate epigenetic modification, transcription, and change microRNA (miRNA) expression of GBM through lncRNA at the gene level. It also found that flavonoids can induce apoptosis and autophagy of GBM cells by regulating lncRNA. Moreover, it can improve the metabolic abnormalities of GBM, interfere with the tumor microenvironment and related signaling pathways, and inhibit the angiogenesis of GBM cells. Eventually, flavonoids can block the tumor initiation, growth, proliferation, differentiation, invasion, and metastasis. In this review, we highlight the role of lncRNA in GBM cancer progression and the influence of flavonoids on lncRNA regulation. And emphasize their expected role in the prevention and treatment of GBM.
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Affiliation(s)
- Xian Liu
- College of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi 830017, China
| | - Xinyu Xiao
- Dermatological Department, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610015, China
| | - Xue Han
- College of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi 830017, China
| | - Lan Yao
- College of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi 830017, China
| | - Wei Lan
- College of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi 830017, China.
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Tanabe H, Suzuki T, Ohishi T, Isemura M, Nakamura Y, Unno K. Effects of Epigallocatechin-3-Gallate on Matrix Metalloproteinases in Terms of Its Anticancer Activity. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020525. [PMID: 36677584 PMCID: PMC9862901 DOI: 10.3390/molecules28020525] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/29/2022] [Accepted: 12/31/2022] [Indexed: 01/06/2023]
Abstract
Epidemiological studies have shown that the consumption of green tea has beneficial effects against cancer. Basic studies have provided evidence that epigallocatechin gallate (EGCG) is a major contributor to these effects. Matrix metalloproteinases (MMPs) are zinc-dependent metalloproteinases with the ability to degrade the extracellular matrix proteins and are involved in various diseases including cancer in which MMPs have a critical role in invasion and metastasis. In this review, we discuss the effects of EGCG on several types of MMPs in the context of its anticancer activity. In the promoter region, MMPs have binding sites for at least one transcription factor of AP-1, Sp1, and NF-κB, and EGCG can downregulate these transcription factors through signaling pathways mediated by reactive oxygen species. EGCG can also decrease nuclear ERK, p38, heat shock protein-27 (Hsp27), and β-catenin levels, leading to suppression of MMPs' expression. Other mechanisms by which EGCG inhibits MMPs include direct binding to MMPs to prevent their activation and downregulation of NF-κB to suppress the production of inflammatory cytokines such as TNFα and IL-1β. Findings from studies on EGCG presented here may be useful in the development of more effective anti-MMP agents, which would give beneficial effects on cancer and other diseases.
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Affiliation(s)
- Hiroki Tanabe
- Faculty of Health and Welfare Science, Nayoro City University, Nayoro 096-8641, Hokkaido, Japan
- Correspondence: (H.T.); (T.O.)
| | - Takuji Suzuki
- Department of Food Science and Nutrition, Faculty of Human Life and Science, Doshisha Women’s College of Liberal Arts, Kyoto 602-0893, Japan
| | - Tomokazu Ohishi
- Institute of Microbial Chemistry (BIKAKEN), Numazu, Microbial Chemistry Research Foundation, Numazu 410-0301, Shizuoka, Japan
- Institute of Microbial Chemistry (BIKAKEN), Laboratory of Oncology, Microbial Chemistry Research Foundation, Shinagawa, Tokyo 141-0021, Japan
- Correspondence: (H.T.); (T.O.)
| | - Mamoru Isemura
- Tea Science Center, University of Shizuoka, Suruga-ku, Shizuoka 422-8526, Japan
| | - Yoriyuki Nakamura
- Tea Science Center, University of Shizuoka, Suruga-ku, Shizuoka 422-8526, Japan
| | - Keiko Unno
- Tea Science Center, University of Shizuoka, Suruga-ku, Shizuoka 422-8526, Japan
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Sharma E, Attri DC, Sati P, Dhyani P, Szopa A, Sharifi-Rad J, Hano C, Calina D, Cho WC. Recent updates on anticancer mechanisms of polyphenols. Front Cell Dev Biol 2022; 10:1005910. [PMID: 36247004 PMCID: PMC9557130 DOI: 10.3389/fcell.2022.1005910] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 09/06/2022] [Indexed: 12/03/2022] Open
Abstract
In today’s scenario, when cancer cases are increasing rapidly, anticancer herbal compounds become imperative. Studies on the molecular mechanisms of action of polyphenols published in specialized databases such as Web of Science, Pubmed/Medline, Google Scholar, and Science Direct were used as sources of information for this review. Natural polyphenols provide established efficacy against chemically induced tumor growth with fewer side effects. They can sensitize cells to various therapies and increase the effectiveness of biotherapy. Further pharmacological translational research and clinical trials are needed to evaluate theirs in vivo efficacy, possible side effects and toxicity. Polyphenols can be used to design a potential treatment in conjunction with existing cancer drug regimens such as chemotherapy and radiotherapy.
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Affiliation(s)
- Eshita Sharma
- Department of Molecular Biology and Biochemistry, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Dharam Chand Attri
- High Altitude Plant Physiology Research Centre (HAPPRC), HNB Garhwal University, Srinagar, Uttarakhand, India
| | - Priyanka Sati
- Graphic Era University, Dehradun, Uttarakhand, India
| | - Praveen Dhyani
- Department of Biotechnology, Kumaun University, Nainital, Uttarakhand, India
| | - Agnieszka Szopa
- Chair and Department of Pharmaceutical Botany, Medical College, Jagiellonian University, Kraków, Poland
| | - Javad Sharifi-Rad
- Facultad de Medicina, Universidad del Azuay, Cuenca, Ecuador
- *Correspondence: Javad Sharifi-Rad, ; Christophe Hano, ; Daniela Calina, ; William C. Cho,
| | - Christophe Hano
- Department of Biological Chemistry, University of Orleans, Eure et Loir Campus, Chartres, France
- *Correspondence: Javad Sharifi-Rad, ; Christophe Hano, ; Daniela Calina, ; William C. Cho,
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, Craiova, Romania
- *Correspondence: Javad Sharifi-Rad, ; Christophe Hano, ; Daniela Calina, ; William C. Cho,
| | - William C. Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong SAR, China
- *Correspondence: Javad Sharifi-Rad, ; Christophe Hano, ; Daniela Calina, ; William C. Cho,
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The Mechanism Study of Common Flavonoids on Antiglioma Based on Network Pharmacology and Molecular Docking. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:2198722. [PMID: 35140796 PMCID: PMC8820855 DOI: 10.1155/2022/2198722] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/30/2021] [Accepted: 12/28/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Glioma is the most common primary intracranial tumor in adult patients. Among them, glioblastoma is a highly malignant one with a poor prognosis. Flavonoids are a class of phenolic compounds widely distributed in plants and have many biological functions, such as anti-inflammatory, antioxidant, antiaging, and anticancer. Nowadays, flavonoids have been applied to the therapy of glioma; however, the molecular mechanism underlying the therapeutic effects has not been fully elaborated. This study was carried out to explore the mechanism of selected active flavonoid compounds in treating glioma using network pharmacology and molecular docking approaches. METHODS Active ingredients and associated targets of flavonoids were acquired by using the Traditional Chinese Medicine Database and Analysis Platform (TCMSP) and Swiss TargetPrediction platform. Genes related to glioma were obtained from the GeneCards and DisGeNET databases. The intersection targets between flavonoid targets and glioma-related genes were used to construct protein-protein interaction (PPI) network via the STRING database, and the results were analyzed by Cytoscape software. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses were performed and displayed by utilizing the Metascape portal and clusterProfiler R package. Molecular docking was carried out by iGEMDOCK and SwissDock, and the results were visually displayed by UCSF Chimera software. RESULTS Eighty-four active flavonoid compounds and 258 targets overlapped between flavonoid targets and glioma-related genes were achieved. PPI network revealed potential therapeutic targets, such as AKT1, EGFR, VEGFA, MAPK3, and CASP3, based on their node degree. GO and KEGG analyses showed that core targets were mainly enriched in the PI3K-Akt signaling pathway. Molecular docking simulation indicated that potential glioma-related targets-MAPK1 and HSP90AA1 were bounded more firmly with epigallocatechin-3-gallate (EGCG) than with quercetin. CONCLUSIONS The findings of this study indicated that selected active flavonoid compounds might play therapeutic roles in glioma mainly through the PI3K-Akt signaling pathway. Moreover, EGCG had the potential antiglioma activity by targeting MAPK1 and HSP90AA1.
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Abstract
Cancer cells accumulate iron to supplement their aberrant growth and metabolism. Depleting cells of iron by iron chelators has been shown to be selectively cytotoxic to cancer cells in vitro and in vivo. Iron chelators are effective at combating a range of cancers including those which are difficult to treat such as androgen insensitive prostate cancer and cancer stem cells. This review will evaluate the impact of iron chelation on cancer cell survival and the underlying mechanisms of action. A plethora of studies have shown iron chelators can reverse some of the major hallmarks and enabling characteristics of cancer. Iron chelators inhibit signalling pathways that drive proliferation, migration and metastasis as well as return tumour suppressive signalling. In addition to this, iron chelators stimulate apoptotic and ER stress signalling pathways inducing cell death even in cells lacking a functional p53 gene. Iron chelators can sensitise cancer cells to PARP inhibitors through mimicking BRCAness; a feature of cancers trademark genomic instability. Iron chelators target cancer cell metabolism, attenuating oxidative phosphorylation and glycolysis. Moreover, iron chelators may reverse the major characteristics of oncogenic transformation. Iron chelation therefore represent a promising selective mode of cancer therapy.
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Atiq A, Parhar I. Anti-neoplastic Potential of Flavonoids and Polysaccharide Phytochemicals in Glioblastoma. Molecules 2020; 25:E4895. [PMID: 33113890 PMCID: PMC7660188 DOI: 10.3390/molecules25214895] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 10/09/2020] [Accepted: 10/14/2020] [Indexed: 02/07/2023] Open
Abstract
Clinically, gliomas are classified into four grades, with grade IV glioblastoma multiforme being the most malignant and deadly, which accounts for 50% of all gliomas. Characteristically, glioblastoma involves the aggressive proliferation of cells and invasion of normal brain tissue, outcomes as poor patient prognosis. With the current standard therapy of glioblastoma; surgical resection and radiotherapy followed by adjuvant chemotherapy with temozolomide, it remains fatal, because of the development of drug resistance, tumor recurrence, and metastasis. Therefore, the need for the effective therapeutic option for glioblastoma remains elusive. Previous studies have demonstrated the chemopreventive role of naturally occurring pharmacological agents through preventing or reversing the initiation phase of carcinogenesis or arresting the cancer progression phase. In this review, we discuss the role of natural phytochemicals in the amelioration of glioblastoma, with the aim to improve therapeutic outcomes, and minimize the adverse side effects to improve patient's prognosis and enhancing their quality of life.
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Affiliation(s)
- Ayesha Atiq
- Brain Research Institute Monash Sunway (BRIMS), Jeffery Cheah School of Medicine, Monash University Malaysia, 47500 Bandar Sunway, Selangor, Malaysia;
| | - Ishwar Parhar
- Brain Research Institute Monash Sunway (BRIMS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, 47500 Bandar Sunway, Selangor, Malaysia
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Epigallocatechin-3-Gallate and PEDF 335 Peptide, 67LR Activators, Attenuate Vasogenic Edema, and Astroglial Degeneration Following Status Epilepticus. Antioxidants (Basel) 2020; 9:antiox9090854. [PMID: 32933011 PMCID: PMC7555521 DOI: 10.3390/antiox9090854] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/07/2020] [Accepted: 09/08/2020] [Indexed: 12/17/2022] Open
Abstract
Non-integrin 67-kDa laminin receptor (67LR) is involved in cell adherence to the basement membrane, and it regulates the interactions between laminin and other receptors. The dysfunction of 67LR leads to serum extravasation via blood-brain barrier (BBB) disruption. Polyphenol (–)-epigallocatechin-3-O-gallate (EGCG) and pigment epithelium-derived factor (PEDF) bind to 67LR and inhibit neovascularization. Therefore, in the present study, we investigated the effects of EGCG and NU335, a PEDF-derive peptide, on BBB integrity and their possible underlying mechanisms against vasogenic edema formation induced by status epilepticus (SE, a prolonged seizure activity). Following SE, both EGCG and NU335 attenuated serum extravasation and astroglial degeneration in the rat piriform cortex (PC). Both EGCG and NU335 reversely regulated phosphatidylinositol 3 kinase (PI3K)/AKT–eNOS (endothelial nitric oxide synthase) mediated BBB permeability and aquaporin 4 (AQP4) expression in endothelial cells and astrocytes through the p38 mitogen-activated protein kinase (p38 MAPK) and extracellular signal-regulated kinase 1/2 (ERK1/2) signaling pathways, respectively. Furthermore, EGCG and NU335 decreased p47Phox (a nicotinamide adenine dinucleotide phosphate oxidase subunit) expression in astrocytes under physiological and post-SE conditions. Therefore, we suggest that EGCG and PEDF derivatives may activate 67LR and its downstream effectors, and they may be considerable anti-vasogenic edema agents.
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Potential Therapeutic Targets of Epigallocatechin Gallate (EGCG), the Most Abundant Catechin in Green Tea, and Its Role in the Therapy of Various Types of Cancer. Molecules 2020; 25:molecules25143146. [PMID: 32660101 PMCID: PMC7397003 DOI: 10.3390/molecules25143146] [Citation(s) in RCA: 152] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 07/06/2020] [Accepted: 07/07/2020] [Indexed: 02/07/2023] Open
Abstract
Epigallocatechin-3-gallate (EGCG), an active compound of green tea and its role in diseases cure and prevention has been proven. Its role in diseases management can be attributed to its antioxidant and anti-inflammatory properties. The anti-cancer role of this green tea compound has been confirmed in various types of cancer and is still being under explored. EGCG has been proven to possess a chemopreventive effect through inhibition of carcinogenesis process such as initiation, promotion, and progression. In addition, this catechin has proven its role in cancer management through modulating various cell signaling pathways such as regulating proliferation, apoptosis, angiogenesis and killing of various types of cancer cells. The additive or synergistic effect of epigallocatechin with chemopreventive agents has been verified as it reduces the toxicities and enhances the anti-cancerous effects. Despite its effectiveness and safety, the implications of EGCG in cancer prevention is certainly still discussed due to a poor bioavailability. Several studies have shown the ability to overcome poor bioavailability through nanotechnology-based strategies such as encapsulation, liposome, micelles, nanoparticles and various other formulation. In this review, we encapsulate therapeutic implication of EGCG in cancer management and the mechanisms of action are discussed with an emphasis on human clinical trials.
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Mi Y, Guo N, Luan J, Cheng J, Hu Z, Jiang P, Jin W, Gao X. The Emerging Role of Myeloid-Derived Suppressor Cells in the Glioma Immune Suppressive Microenvironment. Front Immunol 2020; 11:737. [PMID: 32391020 PMCID: PMC7193311 DOI: 10.3389/fimmu.2020.00737] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 03/31/2020] [Indexed: 12/16/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a heterogeneous group of myeloid progenitor and precursor cells at different stages of differentiation, which play an important role in tumor immunosuppression. Glioma is the most common and deadliest primary malignant tumor of the brain, and ample evidence supports key contributions of MDSCs to the immunosuppressive tumor microenvironment, which is a key factor stimulating glioma progression. In this review, we summarize the source and characterization of MDSCs, discuss their immunosuppressive functions, and current approaches that target MDSCs for tumor control. Overall, the review provides insights into the roles of MDSC immunosuppression in the glioma microenvironment and suggests that MDSC control is a powerful cellular therapeutic target for currently incurable glioma tumors.
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Affiliation(s)
- Yajing Mi
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Na Guo
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Jing Luan
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Jianghong Cheng
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Zhifang Hu
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Pengtao Jiang
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China
| | - Weilin Jin
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China.,Key Lab for Thin Film and Microfabrication Technology, Department of Instrument Science and Engineering, School of Electronic Information and Electronic Engineering, Institute of Nano Biomedicine and Engineering, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Xingchun Gao
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Medical Sciences, Xi'an Medical University, Xi'an, China.,Key Lab for Thin Film and Microfabrication Technology, Department of Instrument Science and Engineering, School of Electronic Information and Electronic Engineering, Institute of Nano Biomedicine and Engineering, Ministry of Education, Shanghai Jiao Tong University, Shanghai, 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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Chen Y, Bao C, Zhang X, Lin X, Huang H, Wang Z. Long non-coding RNA HCG11 modulates glioma progression through cooperating with miR-496/CPEB3 axis. Cell Prolif 2019; 52:e12615. [PMID: 31310044 PMCID: PMC6797506 DOI: 10.1111/cpr.12615] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 02/14/2019] [Accepted: 03/21/2019] [Indexed: 12/13/2022] Open
Abstract
Objectives It has been widely reported that long non‐coding RNAs (lncRNAs) can participate in multiple biological processes of human cancers. lncRNA HLA complex group 11 (HCG11) has been reported in human cancers as a tumour suppressor. This study focused on investigating the function and mechanism of HCG11 in glioma. Materials and methods Based on The Cancer Genome Atlas (TCGA) data set and qRT‐PCR analysis, the expression pattern of HCG11 was identified in glioma samples. The mechanism associated with HCG11 downregulation was determined by mechanism experiments. Gain‐of‐function assays were conducted for the identification of HCG11 function in glioma progression. Mechanism investigation based on the luciferase reporter assay, RIP assay and pull‐down assay was used to explore the downstream molecular mechanism of HCG11. The role of molecular pathway in the progression of glioma was analysed in accordance with the rescue assays. Results HCG11 was expressed at low level in glioma samples compared with normal samples. FOXP1 could bind with HCG11 and transcriptionally inactivated HCG11. Overexpression of HCG11 efficiently suppressed cell proliferation, induced cell cycle arrest and promoted cell apoptosis. HCG11 was predominantly enriched in the cytoplasm of glioma cells and acted as a competing endogenous RNAs (ceRNAs) by sponging micro‐496 to upregulate cytoplasmic polyadenylation element binding protein 3 (CPEB3). CEPB3 and miR‐496 involved in HCG11‐mediated glioma progression. Conclusions HCG11 inhibited glioma progression by regulating miR‐496/CPEB3 axis.
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Affiliation(s)
- Yangzong Chen
- Department of Radiology, Division of PET/CT, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Chunchun Bao
- Department of Radiology, Division of PET/CT, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xiuxing Zhang
- Department of Radiology, Division of PET/CT, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xinshi Lin
- Department of Radiology, Division of PET/CT, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Hongou Huang
- Department of Radiology, Division of PET/CT, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Zhiqiang Wang
- Department of Radiology, Division of PET/CT, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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14
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Sugiyama I, Kaihatsu K, Soma Y, Kato N, Sadzuka Y. Dual-effect liposomes with increased antitumor effects against 67-kDa laminin receptor-overexpressing tumor cells. Int J Pharm 2018; 541:206-213. [DOI: 10.1016/j.ijpharm.2018.02.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 02/13/2018] [Accepted: 02/23/2018] [Indexed: 12/01/2022]
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15
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Le CT, Leenders WPJ, Molenaar RJ, van Noorden CJF. Effects of the Green Tea Polyphenol Epigallocatechin-3-Gallate on Glioma: A Critical Evaluation of the Literature. Nutr Cancer 2018; 70:317-333. [PMID: 29570984 DOI: 10.1080/01635581.2018.1446090] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The review discusses the effects of Epigallocatechin-3-gallate Gallate (EGCG) on glioma as a basis for future research on clinical application of EGCG. Epidemiological studies on the effects of green tea or EGCG on the risk of glioma is inconclusive due to the limited number of studies, the inclusion of all tea types in these studies, and the focus on caffeine rather than EGCG. In vivo experiments using EGCG monotherapy are inconclusive. Nevertheless, EGCG induces cell death, prevents cellular proliferation, and limits invasion in multiple glioma cell lines. Furthermore, EGCG enhances the efficacy of anti-glioma therapies, including irradiation, temozolomide, carmustine, cisplatin, tamoxifen, and TNF-related apoptosis-inducing ligand, but reduces the effect of bortezomib. Pro-drugs, co-treatment, and encapsulation are being investigated to enhance clinical applicability of EGCG. Mechanisms of actions of EGCG have been partly elucidated. EGCG has both anti-oxidant and oxidant properties. EGCG inhibits pro-survival proteins, such as telomerase, survivin, GRP78, PEA15, and P-gp. EGCG inhibits signaling of PDGFR, IGF-1R, and 67LR. EGCG reduces invasiveness of cancer cells by inhibiting the activities of various metalloproteinases, cytokines, and chemokines. Last, EGCG inhibits some NADPH-producing enzymes, thus disturbing redox status and metabolism of glioma cells. In conclusion, EGCG may be a suitable adjuvant to potentiate anti-glioma therapies.
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Affiliation(s)
- Chung T Le
- a Department of Medical Biology , Academic Medical Center, University of Amsterdam, Amsterdam , The Netherlands
| | | | - Remco J Molenaar
- a Department of Medical Biology , Academic Medical Center, University of Amsterdam, Amsterdam , The Netherlands
| | - Cornelis J F van Noorden
- a Department of Medical Biology , Academic Medical Center, University of Amsterdam, Amsterdam , The Netherlands
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16
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Kim SW, Moon JH, Park SY. Activation of autophagic flux by epigallocatechin gallate mitigates TRAIL-induced tumor cell apoptosis via down-regulation of death receptors. Oncotarget 2018; 7:65660-65668. [PMID: 27582540 PMCID: PMC5323182 DOI: 10.18632/oncotarget.11597] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2016] [Accepted: 08/13/2016] [Indexed: 01/04/2023] Open
Abstract
Epigallocatechin gallate (EGCG) is a major polyphenol in green tea. Recent studies have reported that EGCG can inhibit TRAIL-induced apoptosis and activate autophagic flux in cancer cells. However, the mechanism behind these processes is unclear. The present study found that EGCG prevents tumor cell death by antagonizing the TRAIL pathway and activating autophagy flux. Our results indicate that EGCG dose-dependently inhibits TRAIL-induced apoptosis and decreases the binding of death receptor 4 and 5 (DR4 and 5) to TRAIL. In addition, EGCG activates autophagy flux, which is involved in the inhibition of TRAIL cell death. We confirmed that the protective effect of EGCG can be reversed using genetic and pharmacological tools through re-sensitization to TRAIL. The inhibition of autophagy flux affects not only the re-sensitization of tumor cells to TRAIL, but also the restoration of death receptor proteins. This study demonstrates that EGCG inhibits TRAIL-induced apoptosis through the manipulation of autophagic flux and subsequent decrease in number of death receptors. On the basis of these results, we suggest further consideration of the use of autophagy activators such as EGCG in combination anti-tumor therapy with TRAIL.
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Affiliation(s)
- Sung-Wook Kim
- Biosafety Research Institute, Department of Veterinary Medicine, College of Veterinary Medicine, Chonbuk National University, Iksan, Jeonbuk 54596, Republic of Korea
| | - Ji-Hong Moon
- Biosafety Research Institute, Department of Veterinary Medicine, College of Veterinary Medicine, Chonbuk National University, Iksan, Jeonbuk 54596, Republic of Korea
| | - Sang-Youel Park
- Biosafety Research Institute, Department of Veterinary Medicine, College of Veterinary Medicine, Chonbuk National University, Iksan, Jeonbuk 54596, Republic of Korea
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17
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Guo J, Cai H, Liu X, Zheng J, Liu Y, Gong W, Chen J, Xi Z, Xue Y. Long Non-coding RNA LINC00339 Stimulates Glioma Vasculogenic Mimicry Formation by Regulating the miR-539-5p/TWIST1/MMPs Axis. MOLECULAR THERAPY-NUCLEIC ACIDS 2017; 10:170-186. [PMID: 29499931 PMCID: PMC5751969 DOI: 10.1016/j.omtn.2017.11.011] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Revised: 11/21/2017] [Accepted: 11/21/2017] [Indexed: 12/21/2022]
Abstract
Glioma is recognized as a highly angiogenic malignant brain tumor. Vasculogenic mimicry (VM) greatly restricts the therapeutic effect of anti-angiogenic tumor therapy for glioma patients. However, the molecular mechanisms of VM formation in glioma remain unclear. Here, we demonstrated that LINC00339 was upregulated in glioma tissue as well as in glioma cell lines. The expression of LINC00339 in glioma tissues was positively correlated with glioma VM formation. Knockdown of LINC00339 inhibited glioma cell proliferation, migration, invasion, and tube formation, meanwhile downregulating the expression of VM-related molecular MMP-2 and MMP-14. Furthermore, knockdown of LINC00339 significantly increased the expression of miR-539-5p. Both bioinformatics and luciferase reporter assay revealed that LINC00339 regulated the above effects via binding to miR-539-5p. Besides, overexpression of miR-539-5p resulted in decreased expression of TWIST1, a transcription factor known to play an oncogenic role in glioma and identified as a direct target of miR-539-5p. TWIST1 upregulated the promoter activities of MMP-2 and MMP-14. The in vivo study showed that nude mice carrying tumors with knockdown of LINC00339 and overexpression of miR-539-5p exhibited the smallest tumor volume through inhibiting VM formation. In conclusion, LINC00339 may be used as a novel therapeutic target for VM formation in glioma.
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Affiliation(s)
- Junqing Guo
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang 110122, People's Republic of China; Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang 110122, People's Republic of China
| | - Heng Cai
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China; Liaoning Research Center for Translational Medicine in Nervous System Disease, Shenyang 110004, People's Republic of China
| | - Xiaobai Liu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China; Liaoning Research Center for Translational Medicine in Nervous System Disease, Shenyang 110004, People's Republic of China
| | - Jian Zheng
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China; Liaoning Research Center for Translational Medicine in Nervous System Disease, Shenyang 110004, People's Republic of China
| | - Yunhui Liu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China; Liaoning Research Center for Translational Medicine in Nervous System Disease, Shenyang 110004, People's Republic of China
| | - Wei Gong
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang 110122, People's Republic of China; Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang 110122, People's Republic of China
| | - Jiajia Chen
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang 110122, People's Republic of China; Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang 110122, People's Republic of China
| | - Zhuo Xi
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang 110004, People's Republic of China; Liaoning Research Center for Translational Medicine in Nervous System Disease, Shenyang 110004, People's Republic of China
| | - Yixue Xue
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang 110122, People's Republic of China; Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang 110122, People's Republic of China.
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18
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Su R, Cao S, Ma J, Liu Y, Liu X, Zheng J, Chen J, Liu L, Cai H, Li Z, Zhao L, He Q, Xue Y. Knockdown of SOX2OT inhibits the malignant biological behaviors of glioblastoma stem cells via up-regulating the expression of miR-194-5p and miR-122. Mol Cancer 2017; 16:171. [PMID: 29132362 PMCID: PMC5683208 DOI: 10.1186/s12943-017-0737-1] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 10/29/2017] [Indexed: 12/22/2022] Open
Abstract
Background Accumulating evidence has highlighted the potential role of long non-coding RNAs (lncRNAs) in the biological behaviors of glioblastoma stem cells (GSCs). Here, we elucidated the function and possible molecular mechanisms of the effect of lncRNA-SOX2OT on the biological behaviors of GSCs. Results Real-time PCR demonstrated that SOX2OT expression was up-regulated in glioma tissues and GSCs. Knockdown of SOX2OT inhibited the proliferation, migration and invasion of GSCs, and promoted GSCs apoptosis. MiR-194-5p and miR-122 were down-regulated in human glioma tissues and GSCs, and miR-194-5p and miR-122 respectively exerted tumor-suppressive functions by inhibiting the proliferation, migration and invasion of GSCs, while promoting GSCs apoptosis. Knockdown of SOX2OT significantly increased the expression of miR-194-5p and miR-122 in GSCs. Dual-luciferase reporter assay revealed that SOX2OT bound to both miR-194-5p and miR-122. SOX3 and TDGF-1 were up-regulated in human glioma tissues and GSCs. Knockdown of SOX3 inhibited the proliferation, migration and invasion of GSCs, promoted GSCs apoptosis, and decreased TDGF-1 mRNA and protein expression through direct binding to the TDGF-1 promoter. Over-expression of miR-194-5p and miR-122 decreased the mRNA and protein expression of SOX3 by targeting its 3’UTR. Knockdown of TDGF-1 inhibited the proliferation, migration and invasion of GSCs, promoted GSCs apoptosis, and inhibited the JAK/STAT signaling pathway. Furthermore, SOX3 knockdown also inhibited the SOX2OT expression through direct binding to the SOX2OT promoter and formed a positive feedback loop. Conclusion This study is the first to demonstrate that the SOX2OT-miR-194-5p/miR-122-SOX3-TDGF-1 pathway forms a positive feedback loop and regulates the biological behaviors of GSCs, and these findings might provide a novel strategy for glioma treatment. Electronic supplementary material The online version of this article (10.1186/s12943-017-0737-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Rui Su
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Shuo Cao
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Jun Ma
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Yunhui Liu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, People's Republic of China.,Liaoning Research Center for Translational Medicine in Nervous System Disease, Shenyang, 110004, People's Republic of China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, People's Republic of China
| | - Xiaobai Liu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, People's Republic of China.,Liaoning Research Center for Translational Medicine in Nervous System Disease, Shenyang, 110004, People's Republic of China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, People's Republic of China
| | - Jian Zheng
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, People's Republic of China.,Liaoning Research Center for Translational Medicine in Nervous System Disease, Shenyang, 110004, People's Republic of China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, People's Republic of China
| | - Jiajia Chen
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Libo Liu
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Heng Cai
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, People's Republic of China.,Liaoning Research Center for Translational Medicine in Nervous System Disease, Shenyang, 110004, People's Republic of China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, People's Republic of China
| | - Zhen Li
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, People's Republic of China.,Liaoning Research Center for Translational Medicine in Nervous System Disease, Shenyang, 110004, People's Republic of China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, People's Republic of China
| | - Lini Zhao
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Qianru He
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Yixue Xue
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China. .,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China.
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19
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Sa L, Li Y, Zhao L, Liu Y, Wang P, Liu L, Li Z, Ma J, Cai H, Xue Y. The Role of HOTAIR/miR-148b-3p/USF1 on Regulating the Permeability of BTB. Front Mol Neurosci 2017; 10:194. [PMID: 28701916 PMCID: PMC5487514 DOI: 10.3389/fnmol.2017.00194] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 06/01/2017] [Indexed: 12/19/2022] Open
Abstract
Homeobox transcript antisense intergenic RNA (HOTAIR), as a long non-coding RNA (lncRNA), has been considered to play critical roles in the biological properties of various tumors. The purposes of this study were to investigate the role and possible molecular mechanisms of HOTAIR in regulating the permeability of blood tumor barrier (BTB) in vitro. Our present study elucidated that the expressions of HOTAIR and upstream stimulatory factor 1 (USF1) was up-regulated, but miR-148b-3p was down-regulated in glioma microvascular endothelial cells (GECs). Knockdown of HOTAIR could increase the permeability of BTB as well as down-regulated the expressions of tight junction related proteins ZO-1, occludin, claudin-5, but up-regulated miR-148b-3p expressions in GECs. Meanwhile, dual-luciferase reporter assays demonstrated that HOTAIR was a target RNA of miR-148b-3p. Furthermore, overexpression of miR-148b-3p increased the permeability of BTB by down-regulating the expressions of tight junction related proteins and USF1 in GECs, and vice versa. And further result revealed USF1 was a target of miR-148b-3p. Silence of USF1 increased the permeability of BTB duo to their interaction with the promoters of ZO-1, occludin, and claudin-5 in GECs. Taken together, our finding indicated that knockdown of HOTAIR increased BTB permeability via binding to miR-148b-3p, which further reducing tight junction related proteins in GECs by targeting USF1. Thus, HOTAIR will attract more attention since it can serve as a potential target of drug delivery across BTB and may provide novel strategies for glioma treatment.
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Affiliation(s)
- Libo Sa
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Yan Li
- No. 1 English Department, School of Fundamental Sciences, China Medical UniversityShenyang, China
| | - Lini Zhao
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Yunhui Liu
- Department of Neurosurgery, Shengjing Hospital of China Medical UniversityShenyang, China.,Liaoning Research Center for Translational Medicine in Nervous System DiseaseShenyang, China
| | - Ping Wang
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Libo Liu
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Zhen Li
- Department of Neurosurgery, Shengjing Hospital of China Medical UniversityShenyang, China.,Liaoning Research Center for Translational Medicine in Nervous System DiseaseShenyang, China
| | - Jun Ma
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Heng Cai
- Department of Neurosurgery, Shengjing Hospital of China Medical UniversityShenyang, China.,Liaoning Research Center for Translational Medicine in Nervous System DiseaseShenyang, China
| | - Yixue Xue
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
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20
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Gong W, Zheng J, Liu X, Liu Y, Guo J, Gao Y, Tao W, Chen J, Li Z, Ma J, Xue Y. Knockdown of Long Non-Coding RNA KCNQ1OT1 Restrained Glioma Cells' Malignancy by Activating miR-370/CCNE2 Axis. Front Cell Neurosci 2017; 11:84. [PMID: 28381990 PMCID: PMC5360732 DOI: 10.3389/fncel.2017.00084] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 03/10/2017] [Indexed: 02/02/2023] Open
Abstract
Accumulating evidence has highlighted the potential role of long non-coding RNAs (lncRNAs) as biomarkers and therapeutic targets in solid tumors. Here, we elucidated the function and possible molecular mechanisms of lncRNA KCNQ1OT1 in human glioma U87 and U251 cells. Quantitative Real-Time polymerase chain reaction (qRT-PCR) demonstrated that KCNQ1OT1 expression was up-regulated in glioma tissues and cells. Knockdown of KCNQ1OT1 exerted tumor-suppressive function in glioma cells. Moreover, a binding region was confirmed between KCNQ1OT1 and miR-370 by dual-luciferase assays. qRT-PCR showed that miR-370 was down-regulated in human glioma tissue and cells. In addition, restoration of miR-370 exerted tumor-suppressive function via inhibiting cell proliferation, migration and invasion, while promoting the apoptosis of human glioma cells. Knockdown of KCNQ1OT1 decreased the expression level of Cyclin E2 (CCNE2) by binding to miR-370. Further, miR-370 bound to CCNE2 3′UTR region and decreased the expression of CCNE2. These results provided a comprehensive analysis of KCNQ1OT1-miR-370-CCNE2 axis in human glioma cells and might provide a novel strategy for glioma treatment.
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Affiliation(s)
- Wei Gong
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China; Key Laboratory of Cell Biology, Ministry of Public Health of China, Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Jian Zheng
- Department of Neurosurgery, Shengjing Hospital of China Medical UniversityShenyang, China; Liaoning Research Center for Translational Medicine in Nervous System DiseaseShenyang, China
| | - Xiaobai Liu
- Department of Neurosurgery, Shengjing Hospital of China Medical UniversityShenyang, China; Liaoning Research Center for Translational Medicine in Nervous System DiseaseShenyang, China
| | - Yunhui Liu
- Department of Neurosurgery, Shengjing Hospital of China Medical UniversityShenyang, China; Liaoning Research Center for Translational Medicine in Nervous System DiseaseShenyang, China
| | - Junqing Guo
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China; Key Laboratory of Cell Biology, Ministry of Public Health of China, Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Yana Gao
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China; Key Laboratory of Cell Biology, Ministry of Public Health of China, Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Wei Tao
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China; Key Laboratory of Cell Biology, Ministry of Public Health of China, Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Jiajia Chen
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China; Key Laboratory of Cell Biology, Ministry of Public Health of China, Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Zhiqing Li
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China; Key Laboratory of Cell Biology, Ministry of Public Health of China, Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Jun Ma
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China; Key Laboratory of Cell Biology, Ministry of Public Health of China, Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
| | - Yixue Xue
- Department of Neurobiology, College of Basic Medicine, China Medical UniversityShenyang, China; Key Laboratory of Cell Biology, Ministry of Public Health of China, Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical UniversityShenyang, China
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21
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Kwak TW, Park SB, Kim HJ, Jeong YIL, Kang DH. Anticancer activities of epigallocatechin-3-gallate against cholangiocarcinoma cells. Onco Targets Ther 2016; 10:137-144. [PMID: 28053547 PMCID: PMC5189709 DOI: 10.2147/ott.s112364] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
PURPOSE Epigallocatechin-3-gallate (EGCG) is an antioxidant agent derived from green tea. Because it has chemopreventive and anti-invasive effect against various cancer cells, EGCG can be used to inhibit proliferation and invasion of cholangiocarcinoma (CCA) cells. METHODS The anticancer effects of EGCG were studied using human CCA cells (HuCC-T1). Apoptosis was analyzed by Western blotting. Invasion and migration of cancer cells were assessed with Matrigel® and wound healing assays. An animal tumor xenograft model of HuCC-T1 was used to study the in vivo antitumor activities of EGCG. RESULTS EGCG effectively inhibited the growth of HuCC-T1 cells with no adverse effects on the viability of 293T cells. EGCG induced apoptotic cell death at 5 µg/mL concentration. It inhibited the expression of mutant p53 and induced apoptotic molecular signals such as Bax/Bcl-2, Caspase, and cytochrome C. Furthermore, EGCG dose-dependently inhibited the activity of matrix metalloproteinase (MMP)-2/9, invasion, and migration. In the animal tumor xenograft model of HuCC-T1 cells, EGCG was subcutaneously administered beside the tumor for local treatment. EGCG efficiently inhibited growth of the tumor and suppressed carcinogenic molecular signals such as Notch1, MMP-2/9, and proliferating cell nuclear antigen. CONCLUSION EGCG induced apoptosis of cancer cells without adverse effects on normal cells. EGCG inhibited growth, invasion, and migration of HuCC-T1 cells. We suggest EGCG as a promising candidate for local treatment of CCA.
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Affiliation(s)
- Tae Won Kwak
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital
| | - Su Bum Park
- Department of Internal Medicine, Pusan National University School of Medicine, Yangsan, Gyeongnam
| | | | - Young-IL Jeong
- Biomedical Research Institute, Pusan National University Hospital, Pusan, Republic of Korea
| | - Dae Hwan Kang
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital
- Department of Internal Medicine, Pusan National University School of Medicine, Yangsan, Gyeongnam
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22
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Ogawa T, Sawada N, Iwasaki M, Budhathoki S, Hidaka A, Yamaji T, Shimazu T, Sasazuki S, Narita Y, Tsugane S. Coffee and green tea consumption in relation to brain tumor risk in a Japanese population. Int J Cancer 2016; 139:2714-2721. [PMID: 27560973 DOI: 10.1002/ijc.30405] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 07/27/2016] [Accepted: 08/12/2016] [Indexed: 01/21/2023]
Abstract
Few prospective studies have investigated the etiology of brain tumor, especially among Asian populations. Both coffee and green tea are popular beverages, but their relation with brain tumor risk, particularly with glioma, has been inconsistent in epidemiological studies. In this study, we evaluated the association between coffee and greed tea intake and brain tumor risk in a Japanese population. We evaluated a cohort of 106,324 subjects (50,438 men and 55,886 women) in the Japan Public Health Center-Based Prospective Study (JPHC Study). Subjects were followed from 1990 for Cohort I and 1993 for Cohort II until December 31, 2012. One hundred and fifty-seven (70 men and 87 women) newly diagnosed cases of brain tumor were identified during the study period. Hazard ratio (HR) and 95% confidence intervals (95%CIs) for the association between coffee or green tea consumption and brain tumor risk were assessed using a Cox proportional hazards regression model. We found a significant inverse association between coffee consumption and brain tumor risk in both total subjects (≥3 cups/day; HR = 0.47, 95%CI = 0.22-0.98) and in women (≥3 cups/day; HR = 0.24, 95%CI = 0.06-0.99), although the number of cases in the highest category was small. Furthermore, glioma risk tended to decrease with higher coffee consumption (≥3 cups/day; HR = 0.54, 95%CI = 0.16-1.80). No association was seen between green tea and brain tumor risk. In conclusion, our study suggested that coffee consumption might reduce the risk of brain tumor, including that of glioma, in the Japanese population.
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Affiliation(s)
- Takahiro Ogawa
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, 5-1-1 Tsukiji Chuo-ku, Tokyo, 104-0045, Japan.,Department of Neurosurgery and Neuro-Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji Chuo-ku, Tokyo, 104-0045, Japan
| | - Norie Sawada
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, 5-1-1 Tsukiji Chuo-ku, Tokyo, 104-0045, Japan.
| | - Motoki Iwasaki
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, 5-1-1 Tsukiji Chuo-ku, Tokyo, 104-0045, Japan
| | - Sanjeev Budhathoki
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, 5-1-1 Tsukiji Chuo-ku, Tokyo, 104-0045, Japan
| | - Akihisa Hidaka
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, 5-1-1 Tsukiji Chuo-ku, Tokyo, 104-0045, Japan
| | - Taiki Yamaji
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, 5-1-1 Tsukiji Chuo-ku, Tokyo, 104-0045, Japan
| | - Taichi Shimazu
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, 5-1-1 Tsukiji Chuo-ku, Tokyo, 104-0045, Japan
| | - Shizuka Sasazuki
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, 5-1-1 Tsukiji Chuo-ku, Tokyo, 104-0045, Japan
| | - Yoshitaka Narita
- Department of Neurosurgery and Neuro-Oncology, National Cancer Center Hospital, 5-1-1 Tsukiji Chuo-ku, Tokyo, 104-0045, Japan
| | - Shoichiro Tsugane
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, 5-1-1 Tsukiji Chuo-ku, Tokyo, 104-0045, Japan
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23
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Vidak M, Rozman D, Komel R. Effects of Flavonoids from Food and Dietary Supplements on Glial and Glioblastoma Multiforme Cells. Molecules 2015; 20:19406-32. [PMID: 26512639 PMCID: PMC6332278 DOI: 10.3390/molecules201019406] [Citation(s) in RCA: 32] [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: 07/31/2015] [Revised: 09/21/2015] [Accepted: 10/14/2015] [Indexed: 11/24/2022] Open
Abstract
Quercetin, catechins and proanthocyanidins are flavonoids that are prominently featured in foodstuffs and dietary supplements, and may possess anti-carcinogenic activity. Glioblastoma multiforme is the most dangerous form of glioma, a malignancy of the brain connective tissue. This review assesses molecular structures of these flavonoids, their importance as components of diet and dietary supplements, their bioavailability and ability to cross the blood-brain barrier, their reported beneficial health effects, and their effects on non-malignant glial as well as glioblastoma tumor cells. The reviewed flavonoids appear to protect glial cells via reduction of oxidative stress, while some also attenuate glutamate-induced excitotoxicity and reduce neuroinflammation. Most of the reviewed flavonoids inhibit proliferation of glioblastoma cells and induce their death. Moreover, some of them inhibit pro-oncogene signaling pathways and intensify the effect of conventional anti-cancer therapies. However, most of these anti-glioblastoma effects have only been observed in vitro or in animal models. Due to limited ability of the reviewed flavonoids to access the brain, their normal dietary intake is likely insufficient to produce significant anti-cancer effects in this organ, and supplementation is needed.
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Affiliation(s)
- Marko Vidak
- Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Vrazov Trg 2, SI-1000 Ljubljana, Slovenia.
| | - Damjana Rozman
- Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Vrazov Trg 2, SI-1000 Ljubljana, Slovenia.
| | - Radovan Komel
- Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Vrazov Trg 2, SI-1000 Ljubljana, Slovenia.
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24
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Shi J, Liu F, Zhang W, Liu X, Lin B, Tang X. Epigallocatechin-3-gallate inhibits nicotine-induced migration and invasion by the suppression of angiogenesis and epithelial-mesenchymal transition in non-small cell lung cancer cells. Oncol Rep 2015; 33:2972-80. [PMID: 25845434 DOI: 10.3892/or.2015.3889] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 03/12/2015] [Indexed: 11/06/2022] Open
Abstract
Epigallocatechin-3-gallate (EGCG), the most abundant polyphenol in green tea extract, has been found to have anticancer activities in various types of cancer. However, the underlying mechanisms are not completely clear. In the present study, the effects of EGCG on migration, invasion, angiogenesis and epithelial-mesenchymal transition (EMT) induced by nicotine in A549 non-small cell lung cancer (NSCLC) cells were investigated, and the underlying molecular mechanisms were preliminarily examined. The results showed that different concentrations of EGCG significantly inhibited nicotine-induced migration and invasion. Moreover, EGCG reversed the upregulation of HIF-1α, vascular endothelial growth factor (VEGF), COX-2, p-Akt, p-ERK and vimentin protein levels and the downregulation of p53 and β-catenin protein levels mediated by nicotine in A549 cells, but had no significant effect on their mRNA levels. Furthermore, EGCG markedly inhibited HIF-1α-dependent angiogenesis induced by nicotine in vitro and in vivo, and suppressed HIF-1α and VEGF protein expression induced by nicotine in A549 xenografts of nude mice. Taken together, the results indicated that EGCG inhibited nicotine-induced angiogenesis and EMT, leading to migration and invasion in A549 cells. The results of the present study suggested that EGCG can be developed into a potential agent for the prevention and treatment of smoking-associated NSCLC.
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Affiliation(s)
- Jingli Shi
- Institute of Biochemistry and Molecular Biology, Guangdong Medical College, Zhanjiang, Guangdong 524023, P.R. China
| | - Fei Liu
- Institute of Biochemistry and Molecular Biology, Guangdong Medical College, Zhanjiang, Guangdong 524023, P.R. China
| | - Wenzhang Zhang
- Institute of Biochemistry and Molecular Biology, Guangdong Medical College, Zhanjiang, Guangdong 524023, P.R. China
| | - Xin Liu
- Institute of Biochemistry and Molecular Biology, Guangdong Medical College, Zhanjiang, Guangdong 524023, P.R. China
| | - Bihua Lin
- Institute of Biochemistry and Molecular Biology, Guangdong Medical College, Zhanjiang, Guangdong 524023, P.R. China
| | - Xudong Tang
- Institute of Biochemistry and Molecular Biology, Guangdong Medical College, Zhanjiang, Guangdong 524023, P.R. China
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25
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Zhang L, Zhang Y. Tunneling nanotubes between rat primary astrocytes and C6 glioma cells alter proliferation potential of glioma cells. Neurosci Bull 2015; 31:371-8. [PMID: 25913038 DOI: 10.1007/s12264-014-1522-4] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Accepted: 02/11/2015] [Indexed: 12/25/2022] Open
Abstract
The tunneling nanotube (TNT) is a newly discovered, long and thin tubular structure between cells. In this study, we established a co-culture system for rat primary astrocytes and C6 glioma cells and found that TNTs formed between them. Most of the TNTs initiated from astrocytes towards C6 glioma cells. The formation of TNTs depended on p53. In addition, hydrogen peroxide increased the number of TNTs in the co-culture system. Established TNTs reduced the proliferation of C6 glioma cells. Our data suggest that TNTs between astrocytes and glioma cells facilitate substance transfer and therefore alter the properties, including the proliferation potential, of glioma cells.
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Affiliation(s)
- Lei Zhang
- State Key Laboratory of Biomembrane and Membrane Biotechnology, College of Life Sciences, PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, 100871, China
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26
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Harakeh S, Abou-Khouzam R, Damanhouri GA, Al-Hejin A, Kumosani T, Niedzwiecki A, Rath M, Barbour E, Diab-Assaf M, Azar R. Effects of nutrients on matrix metalloproteinases in human T-lymphotropic virus type 1 positive and negative malignant T-lymphocytes. Int J Oncol 2014; 45:2159-66. [PMID: 25189759 DOI: 10.3892/ijo.2014.2638] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2014] [Accepted: 08/08/2014] [Indexed: 11/05/2022] Open
Abstract
Experimental and clinical studies have revealed the effectiveness of a specific nutrient synergy (SNS) mixture composed of ascorbic acid (AA), lysine, proline, arginine, epigallocatechin gallate (EGCG) and other micronutrients in targeting crucial physiological mechanisms involved in cancer progression and metastasis. HTLV-1 causes adult T-cell leukemia (ATL). The spread and metastases of ATL as well as other tumors has been associated with matrix metalloproteinases, especially the gelatinases MMP-2 and MMP-9. The objective of this study was to investigate whether SNS, AA and EGCG affects the gelatinolytic activity of MMP-2 and its transcriptional and translational levels in HTLV-1-positive and -negative malignant T-cells. The results indicated that SNS and EGCG caused a dose-dependent decline in the activity, transcription and translation of MMP-2 after treatment with SNS and EGCG, while AA was only able to inhibit the activity at maximum doses tested and to some extent, the protein expression levels of MMP-2, without affecting their transcriptional levels. The highest activity was noted in the case of SNS which is likely to be due to a synergistic effect of the different constituents in the formulation. These results point towards the potential integration of SNS in the anti-invasive treatment of ATL and related diseases.
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Affiliation(s)
- Steve Harakeh
- Special Infectious Agents Unit, King Fahd Medical Research Center, King Abdulaziz University, Kingdom of Saudi Arabia
| | - Raefa Abou-Khouzam
- Molecular Tumor-genesis and Anticancer Pharmacology, EDST, Lebanese University, Hadath, Lebanon
| | - Ghazi A Damanhouri
- Department of Hematology, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia
| | - Ahmed Al-Hejin
- Department of Biological Sciences, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia
| | - Taha Kumosani
- Department of Biochemistry, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia
| | | | - Mathias Rath
- Dr. Rath Research Institute, Santa Clara, CA, USA
| | - Elie Barbour
- Department of Animal and Veterinary Sciences, American University of Beirut (AUB), Beirut 11-0236, Lebanon
| | - Mona Diab-Assaf
- Molecular Tumor-genesis and Anticancer Pharmacology, EDST, Lebanese University, Hadath, Lebanon
| | - Rania Azar
- Molecular Tumor-genesis and Anticancer Pharmacology, EDST, Lebanese University, Hadath, Lebanon
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27
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Merz H, Kaehler C, Hoefig KP, Branke B, Uckert W, Nadrowitz R, Sabine-Cerny-Reiterer, Herrmann H, Feller AC, Valent P. Interleukin-9 (IL-9) and NPM-ALK each generate mast cell hyperplasia as single 'hit' and cooperate in producing a mastocytosis-like disease in mice. Oncotarget 2010; 1:104-119. [PMID: 21297223 PMCID: PMC3157709 DOI: 10.18632/oncotarget.115] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2010] [Accepted: 05/17/2010] [Indexed: 02/06/2023] Open
Abstract
Mast cell neoplasms are characterized by abnormal growth and focal accumulation of mast cells (MC) in one or more organs. Although several cytokines, including stem cell factor (SCF) and interleukin-9 (IL-9) have been implicated in growth of normal MC, little is known about pro-oncogenic molecules and conditions triggering differentiation and growth of MC far enough to lead to the histopathological picture of overt mastocytosis. The anaplastic lymphoma kinase (ALK) has recently been implicated in growth of neoplastic cells in malignant lymphomas. Here, we describe that transplantation of NPM-ALK-transplanted mouse bone marrow progenitors into lethally irradiated IL-9 transgenic mice not only results in lymphoma-formation, but also in the development of a neoplastic disease exhibiting histopathological features of systemic mastocytosis, including multifocal dense MC-infiltrates, occasionally with devastating growth in visceral organs. Transplantation of NPM-ALK-transduced progenitors into normal mice or maintenance of IL-9-transgenic mice without NPM-ALK each resulted in MC hyperplasia, but not in mastocytosis. Neoplastic MC in mice not only displayed IL-9, but also the IL-9 receptor, and the same was found to hold true for human neoplastic MC. Together, our data show that neoplastic MC express IL-9 receptors, that IL-9 and NPM-ALK upregulate MC-production in vivo, and that both'hits' act in concert to induce a mastocytosis-like disease in mice. These data may have pathogenetic and clinical implications and fit well with the observation that neoplastic MC in advanced SM strongly express NPM and multiple "lymphoid" antigens including CD25 and CD30.
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MESH Headings
- Anaplastic Lymphoma Kinase
- Animals
- Bone Marrow Transplantation
- Cell Line, Tumor
- Female
- Flow Cytometry
- Humans
- Hyperplasia
- Interleukin-2 Receptor alpha Subunit/analysis
- Interleukin-9/genetics
- Interleukin-9/metabolism
- Ki-1 Antigen/analysis
- Male
- Mast Cells/immunology
- Mast Cells/metabolism
- Mast Cells/pathology
- Mastocytosis, Systemic/metabolism
- Mastocytosis, Systemic/pathology
- Mice
- Mice, Transgenic
- Nuclear Proteins/genetics
- Nucleophosmin
- Oncogene Proteins, Fusion/genetics
- Oncogene Proteins, Fusion/metabolism
- Polymerase Chain Reaction
- Protein-Tyrosine Kinases/genetics
- Protein-Tyrosine Kinases/metabolism
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Receptor Protein-Tyrosine Kinases/genetics
- Receptors, Interleukin-9/genetics
- Receptors, Interleukin-9/metabolism
- Stem Cell Factor/metabolism
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Affiliation(s)
- Hartmut Merz
- Department of Pathology, Medical University of Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Christian Kaehler
- Department of Pathology, Medical University of Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Kai P. Hoefig
- Institute for Molecular Immunology, Helmholtz Zentrum München, Germany
| | - Biggi Branke
- Department of Pathology, Medical University of Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Wolfgang Uckert
- Max-Delbrueck-Center for Molecular Medicine, Berlin, Germany
| | - Roger Nadrowitz
- Institute for Radiotherapy, Medical University of Schleswig-Holstein, Campus Lübeck, Luebeck, Germany
| | - Sabine-Cerny-Reiterer
- Department of Medicine I, Division of Hematology, Medical University of Vienna, Austria
| | | | - Alfred C. Feller
- Department of Pathology, Medical University of Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Peter Valent
- Department of Medicine I, Division of Hematology, Medical University of Vienna, Austria
- Ludwig Boltzmann Cluster Oncology, Vienna, Austria
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