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Shanderson RL, Ferguson ID, Siprashvili Z, Ducoli L, Li AM, Miao W, Srinivasan S, Velasco MG, Li Y, Ye J, Khavari PA. Mitochondrial Raf1 Regulates Glutamine Catabolism. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.08.581297. [PMID: 38496616 PMCID: PMC10942467 DOI: 10.1101/2024.03.08.581297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Raf kinases play vital roles in normal mitogenic signaling and cancer, however, the identities of functionally important Raf-proximal proteins throughout the cell are not fully known. Raf1 proximity proteomics/BioID in Raf1-dependent cancer cells unexpectedly identified Raf1-adjacent proteins known to reside in the mitochondrial matrix. Inner-mitochondrial localization of Raf1 was confirmed by mitochondrial purification and super-resolution microscopy. Inside mitochondria, Raf1 associated with glutaminase (GLS) in diverse human cancers and enabled glutaminolysis, an important source of biosynthetic precursors in cancer. These impacts required Raf1 kinase activity and were independent of canonical MAP kinase pathway signaling. Kinase-dead mitochondrial matrix-localized Raf1 impaired glutaminolysis and tumorigenesis in vivo. These data indicate that Raf1 localizes inside mitochondria where it interacts with GLS to engage glutamine catabolism and support tumorigenesis.
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Affiliation(s)
- Ronald L. Shanderson
- Program in Cancer Biology, Stanford University, Stanford, CA, 94305, USA
- Program in Epithelial Biology, Stanford University, Stanford, CA, 94305, USA
| | - Ian D. Ferguson
- Program in Cancer Biology, Stanford University, Stanford, CA, 94305, USA
- Program in Epithelial Biology, Stanford University, Stanford, CA, 94305, USA
| | - Zurab Siprashvili
- Program in Epithelial Biology, Stanford University, Stanford, CA, 94305, USA
| | - Luca Ducoli
- Program in Epithelial Biology, Stanford University, Stanford, CA, 94305, USA
| | - Albert M. Li
- Program in Cancer Biology, Stanford University, Stanford, CA, 94305, USA
- Department of Radiation Oncology, Stanford University, Stanford, CA, 94305, USA
| | - Weili Miao
- Program in Epithelial Biology, Stanford University, Stanford, CA, 94305, USA
| | - Suhas Srinivasan
- Program in Epithelial Biology, Stanford University, Stanford, CA, 94305, USA
| | | | - Yang Li
- Department of Radiation Oncology, Stanford University, Stanford, CA, 94305, USA
| | - Jiangbin Ye
- Program in Cancer Biology, Stanford University, Stanford, CA, 94305, USA
- Department of Radiation Oncology, Stanford University, Stanford, CA, 94305, USA
| | - Paul A. Khavari
- Program in Cancer Biology, Stanford University, Stanford, CA, 94305, USA
- Program in Epithelial Biology, Stanford University, Stanford, CA, 94305, USA
- Veterans Affairs Palo Alto Healthcare System, Palo Alto, CA, 94304, USA
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2
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Luo J, Zhu WC, Chen QX, Yang CF, Huang BJ, Zhang SJ. A prognostic model based on DNA methylation-related gene expression for predicting overall survival in hepatocellular carcinoma. Front Oncol 2024; 13:1171932. [PMID: 38304027 PMCID: PMC10830715 DOI: 10.3389/fonc.2023.1171932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 12/27/2023] [Indexed: 02/03/2024] Open
Abstract
Background Hepatocellular carcinoma (HCC) continues to increase in morbidity and mortality among all types of cancer. DNA methylation, an important epigenetic modification, is associated with cancer occurrence and progression. The objective of this study was to establish a model based on DNA methylation risk scores for identifying new potential therapeutic targets in HCC and preventing cancer progression. Methods Transcriptomic, clinical, and DNA methylation data on 374 tumor tissues and 50 adjacent normal tissues were downloaded from The Cancer Genome Atlas-Liver Hepatocellular Carcinoma database. The gene expression profiles of the GSE54236 liver cancer dataset, which contains data on 161 liver tissue samples, were obtained from the Gene Expression Omnibus database. We analyzed the relationship between DNA methylation and gene expression levels after identifying the differentially methylated and expressed genes. Then, we developed and validated a risk score model based on the DNA methylation-driven genes. A tissue array consisting of 30 human hepatocellular carcinoma samples and adjacent normal tissues was used to assess the protein and mRNA expression levels of the marker genes by immunohistochemistry and qRT-PCR, respectively. Results Three methylation-related differential genes were identified in our study: GLS, MEX3B, and GNA14. The results revealed that their DNA methylation levels were negatively correlated with local gene expression regulation. The gene methylation levels correlated strongly with the prognosis of patients with liver cancer. This was confirmed by qRT-PCR and immunohistochemical verification of the expression of these genes or proteins in tumors and adjacent tissues. These results revealed the relationship between the level of relevant gene methylation and the prognosis of patients with liver cancer as well as the underlying cellular and biological mechanisms. This allows our gene signature to provide more accurate and appropriate predictions for clinical applications. Conclusion Through bioinformatics analysis and experimental validation, we obtained three DNA methylation marker: GLS, MEX3B, and GNA14. This helps to predict the prognosis and may be a potential therapeutic target for HCC patients.
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Affiliation(s)
- Jin Luo
- Department of Traditional Chinese Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Department of Traditional Chinese Medicine, Shenzhen Children’s Hospital, Shenzhen, Guangdong, China
| | - Wan-Cui Zhu
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Qiu-Xia Chen
- Department of Traditional Chinese Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Chang-Fu Yang
- Department of Oncology, The People’s Hospital of Gaozhou, Gaozhou, China
| | - Bi-Jun Huang
- Department of Experimental Research, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Shi-Jun Zhang
- Department of Traditional Chinese Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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Liu Y, Ruan H, Lu F, Peng H, Luan W. miR-224-5p acts as a tumour suppressor and reverses the resistance to BRAF inhibitor in melanoma through directly targeting PAK4 to block the MAPK pathway. Pathol Res Pract 2023; 249:154772. [PMID: 37611431 DOI: 10.1016/j.prp.2023.154772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 07/08/2023] [Accepted: 08/16/2023] [Indexed: 08/25/2023]
Abstract
miR-224-5p has been shown to play both an oncogene and tumour suppressor role in many human tumours. However, the role and molecular mechanism of miR-224-5p in cutaneous melanoma remains unclear. miR-224-5p levels were downregulated in melanoma tissue, and low miR-224-5p expression was an independent risk factor for melanoma patients. miR-224-5p blocked proliferation, epithelial-to-mesenchymal transition (EMT), invasion, migration in BRAF wild-type melanoma cell, and overcome acquired BRAFi resistance in VMF-resistant melanoma cells. miR-224-5p exerted its role by directly repressing PAK4 to block the downstream CRAF/MEK/ERK pathways. We demonstrated that miR-224-5p inhibited melanoma growth and metastasis in vivo though xenograft tumor and pulmonary metastasis assay. Thus, miR-224-5p/PAK4-mediated CRAF/MEK/ERK pathways have therapeutic potential in melanoma treatment.
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Affiliation(s)
- Yifan Liu
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Hongru Ruan
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Feng Lu
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Huiyong Peng
- Department of Laboratory Medicine, The Affiliated People's Hospital of Jiangsu University, Zhenjiang Medical School of Nanjing Medical University, Zhenjiang, Jiangsu, China; Department of Genetic Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Wenkang Luan
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China.
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4
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Nguyen TTT, Katt WP, Cerione RA. Alone and together: current approaches to targeting glutaminase enzymes as part of anti-cancer therapies. FUTURE DRUG DISCOVERY 2023; 4:FDD79. [PMID: 37009252 PMCID: PMC10051075 DOI: 10.4155/fdd-2022-0011] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 02/10/2023] [Indexed: 03/29/2023] Open
Abstract
Metabolic reprogramming is a major hallmark of malignant transformation in cancer, and part of the so-called Warburg effect, in which the upregulation of glutamine catabolism plays a major role. The glutaminase enzymes convert glutamine to glutamate, which initiates this pathway. Inhibition of different forms of glutaminase (KGA, GAC, or LGA) demonstrated potential as an emerging anti-cancer therapeutic strategy. The regulation of these enzymes, and the molecular basis for their inhibition, have been the focus of much recent research. This review will explore the recent progress in understanding the molecular basis for activation and inhibition of different forms of glutaminase, as well as the recent focus on combination therapies of glutaminase inhibitors with other anti-cancer drugs.
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Affiliation(s)
- Thuy-Tien T Nguyen
- Department of Chemistry & Chemical Biology, Cornell University, Ithaca, NY 14853, USA
| | - William P Katt
- Department of Molecular Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Richard A Cerione
- Department of Chemistry & Chemical Biology, Cornell University, Ithaca, NY 14853, USA
- Department of Molecular Medicine, Cornell University, Ithaca, NY 14853, USA
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Ghafouri-Fard S, Shoorei H, Mohaqiq M, Majidpoor J, Moosavi MA, Taheri M. Exploring the role of non-coding RNAs in autophagy. Autophagy 2022; 18:949-970. [PMID: 33525971 PMCID: PMC9196749 DOI: 10.1080/15548627.2021.1883881] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 01/13/2021] [Accepted: 01/27/2021] [Indexed: 12/12/2022] Open
Abstract
As a self-degradative mechanism, macroautophagy/autophagy has a role in the maintenance of energy homeostasis during critical periods in the development of cells. It also controls cellular damage through the eradication of damaged proteins and organelles. This process is accomplished by tens of ATG (autophagy-related) proteins. Recent studies have shown the involvement of non-coding RNAs in the regulation of autophagy. These transcripts mostly modulate the expression of ATG genes. Both long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) have been shown to modulate the autophagy mechanism. Levels of several lncRNAs and miRNAs are altered in this process. In the present review, we discuss the role of lncRNAs and miRNAs in the regulation of autophagy in diverse contexts such as cancer, deep vein thrombosis, spinal cord injury, diabetes and its complications, acute myocardial infarction, osteoarthritis, pre-eclampsia and epilepsy.Abbreviations: AMI: acute myocardial infarction; ATG: autophagy-related; lncRNA: long non-coding RNA; miRNA: microRNA.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Shoorei
- Department of Anatomical Sciences, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - Mahdi Mohaqiq
- Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University, Winston-Salem, NC, USA
| | - Jamal Majidpoor
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Amin Moosavi
- Department of Molecular Medicine, Institute of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Circ_0001093 promotes glutamine metabolism and cancer progression of esophageal squamous cell carcinoma by targeting miR-579-3p/glutaminase axis. J Bioenerg Biomembr 2022; 54:119-134. [PMID: 35322289 DOI: 10.1007/s10863-022-09935-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 03/01/2022] [Indexed: 12/23/2022]
Abstract
Increasing studies indicate that circular RNAs (circRNAs) play critical roles in tumor metabolism of multiple cancers. However, the contribution of circRNAs in glutamine metabolism of esophageal squamous cell carcinoma (ESCC) remains elusive. The objective of this research was to investigate the role and mechanism of circRNA hsa_circ_0001093 (circ_0001093) in the glutamine metabolism and tumorigenesis of ESCC. Circ_0001093, microRNA-579-3p (miR-579-3p) and glutaminase (GLS) expressions in ESCC tissues and cell lines were measured by qRT-PCR, tissue array or Western blot. Cell proliferation, invasion and migration were assessed by CCK-8 or transwell assays. Glutamine consumption, glutamate and ATP production were detected by indicated assay kits. The relationships between circ_0001093 and miR-579-3p or GLS mRNA were investigated by bioinformatics analysis, RNA pull-down, luciferase reporter and RNA immunoprecipitation (RIP) assays. Here, we found that circ_0001093 expression was up-regulated in ESCC tissues and cell lines. Increased circ_0001093 expression predicted an unfavourable prognosis, and was associated with the lymph node metastasis, TNM staging and tumor size in ESCC tissues. Circ_0001093 knockdown suppressed cell proliferation, invasion, migration and glutamine metabolism of ESCC cells, while circ_0001093 over-expression showed the opposite effects. Mechanistically, circ_0001093 acted as a competing endogenous RNA (ceRNA) by sponging miR-579-3p, thereby increasing GLS expression. Furthermore, the inhibitory effects of circ_0001093 knockdown on the invasion, migration and glutamine metabolism were partly rescued by miR-579-3p inhibition or GLS over-expression in ESCC cells. Additionally, miR-579-3p expression was down-regulated in ESCC tissues, while GLS expression was up-regulated. In conclusion, this study first provides evidence that the circ_0001093/miR-579-3p/GLS regulatory network can affect glutamine metabolism and malignant phenotype of ESCC, which can further impact ESCC progression.
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Zarrineh M, Ashrafian S, Jensen P, Nawrocki A, Ansari AM, Rezadoost H, Ghassempour A, Larsen MR. Comprehensive proteomics and sialiomics of the anti-proliferative activity of safranal on triple negative MDA-MB-231 breast cancer cell lines. J Proteomics 2022; 259:104539. [PMID: 35240313 DOI: 10.1016/j.jprot.2022.104539] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 12/27/2021] [Accepted: 02/04/2022] [Indexed: 12/17/2022]
Abstract
Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer with no efficient treatment. Researchers have indicated the importance of quantitative approaches on proteome and different post-translation modifications studies both in diagnosis and treatment purposes. Sialic acid-containing glycopeptides (the sialiome) is one of these modifications which can be used as a tool in cancer diagnosis or therapeutic strategies since the sialylation is strongly associated with cancer migration and metastasis. Based on our study, safranal, which is a non-toxic compound in orally intakes, exhibits a significant cytotoxic effect on MDA-MB-231 in comparison to normal cells. We conducted a comprehensive proteomics and sialiomics analysis of safranal treated MDA-MB-231 cells by using a combination of TMT labeling and titanium dioxide enrichment of sialylated N-linked glycopeptides to investigate the underlying molecular mechanism behind safranal-induced apoptosis. Safranal has main effect on the inhibition of metabolism and mitochondrial dysfunction. It regulates proteins considered as activator of DNA fragmentation and apoptosis mediators. Moreover, safranal regulates sialylation of glycoproteins involving in cellular adhesion, migration and survival. It suppresses cell survival and metastasis through the alteration of the sialylation level on important signaling receptors. These results highlight the impact of safranal as a potent anticancer compound on TNBCs which also can be strongly used in daily diets. SIGNIFICANCE: In first step, we evaluated the cell viability of MDA-MB-231 cell lines against the purified saffron components (total crocin, picrocrocin, crocin I and safranal). Safranal was the only compound demonstrated the anti-proliferation effect. In order to obtain an understanding of safranal cytotoxic effect on MDA-MB-231, we designed the three set of treated cell lines in 30 min, 12 h and 24 h time-points in three replicates and a combination of TMT-based labeling quantitative proteomics and titanium dioxide (TiO2)-based enrichment of sialylated N-linked glycopeptides for sialiomics analysis as a strategy to follow the more detailed mechanisms of safranal effect. The results of bioinformatics analysis revealed the multifunction role of safranal on MDA-MB-231 cell lines. Safranal mainly dysregulates mitochondrial function, inhibits metabolism and starts initial signaling of apoptosis which lead to DNA fragmentation. Moreover, safranal caused the majority of down-regulation in sialylation profile in all time-points. Safranal also declines the cell survival, adhesion and migration by dysregulation of the sialylation level in important proteins including integrins, tumor necrosis factor receptor and cell adhesion molecules (CAMs). The results provide a set of therapeutic targets for triple negative breast cancer which can help designing of effective anticancer drugs specially in targeted therapies.
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Affiliation(s)
- Mahshid Zarrineh
- Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Tehran 1983963113, Iran
| | - Shahrbanou Ashrafian
- Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Tehran 1983963113, Iran
| | - Pia Jensen
- Protein research group, Department of Biochemistry and Molecular Biology, University of Southern Denmark, DK-5230 Odense M, Denmark
| | - Arkadiusz Nawrocki
- Protein research group, Department of Biochemistry and Molecular Biology, University of Southern Denmark, DK-5230 Odense M, Denmark
| | - Alireza Madjid Ansari
- Integrative Oncology Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Hassan Rezadoost
- Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Tehran 1983963113, Iran
| | - Alireza Ghassempour
- Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Tehran 1983963113, Iran.
| | - Martin R Larsen
- Protein research group, Department of Biochemistry and Molecular Biology, University of Southern Denmark, DK-5230 Odense M, Denmark.
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Fan WH, Wang FC, Jin Z, Zhu L, Zhang JX. Curcumin Synergizes with Cisplatin to Inhibit Colon Cancer through Targeting the MicroRNA-137-Glutaminase Axis. Curr Med Sci 2021; 42:108-117. [PMID: 34958454 DOI: 10.1007/s11596-021-2469-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 03/25/2021] [Indexed: 11/27/2022]
Abstract
OBJECTIVE Colorectal cancer (CRC) is one of the most lethal and prevalent malignancies world-wide. Currently, surgery, radiotherapy and chemotherapy are clinically applied as common approaches for CRC patients. Cisplatin is one of the most frequently used chemotherapy drugs for diverse cancers. Although chemotherapeutic strategies have improved the prognosis and survival of cancer patients, development of cisplatin resistance has led to cancer recurrence. Curcumin, isolated from turmeric, has been used as an effective anti-cancer agent. However, the molecular mechanisms for curcumin-mediated cisplatin sensitivity of CRC have not been elucidated. This study aimed to investigate the effects of curcumin treatment on cisplatin-resistant CRC cells. METHODS Expression levels of miRNAs and mRNAs were determined by qRT-PCR. Protein expression levels were detected by Western blotting. Cell responses to curcumin treatments were evaluated by MTT assay, Clonogenic assay and Annexin V apoptosis assay. The glutamine metabolism of colon cancer cells was assessed by glutamine uptake and glutaminase (GLS) activity. The binding of miR-137 on 3' UTR of GLS was validated by Western blotting and luciferase assay. RESULTS Results demonstrated that curcumin significantly synergized with cisplatin (combination index <1) to suppress proliferation of colon cancer cells compared with curcumin or cisplatin alone. Moreover, from the established cisplatin-resistant cell line (HT-29), glutamine metabolism was remarkedly elevated in cisplatin-resistant CRC cells that displayed a glutamine addictive phenotype. Furthermore, curcumin treatments attenuated glutamine metabolism in colon cancer cells. Under low glutamine supply, colon cancer cells showed less sensitivity to curcumin. Using a microRNA (miRNA) microArray assay, miR-137, a tumor suppressor in colon cancer, was significantly induced by curcumin treatments in CRC cells. Bioinformatics analysis and a luciferase assay illustrated miR-137 directly targeted the 3' UTR of GLS mRNA. Rescue experiments demonstrated that miR-137-induced cisplatin sensitization was through targeting of GLS. Finally, curcumin treatment overcame cisplatin resistance through miR-137-mediated glutamine inhibition. CONCLUSION Collectively, these results indicate that curcumin could be clinically applied as an anti-chemoresistance approach against CRC by modulating miR-137-inhibited glutamine metabolism.
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Affiliation(s)
- Wen-Hui Fan
- Department of Traditional Chinese Medicine, the Second Hospital of Shandong University, Jinan, 250014, China
| | - Feng-Chun Wang
- Department of Vascular Surgery, the Second Hospital of Shandong University, Jinan, 250014, China
| | - Zhi Jin
- Department of Traditional Chinese Medicine, the Second Hospital of Shandong University, Jinan, 250014, China
| | - Lin Zhu
- Department of Traditional Chinese Medicine, the Second Hospital of Shandong University, Jinan, 250014, China
| | - Jian-Xin Zhang
- Department of Traditional Chinese Medicine, the Second Hospital of Shandong University, Jinan, 250014, China.
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Abstract
Melanoma is the most lethal skin cancer that originates from the malignant transformation of melanocytes. Although melanoma has long been regarded as a cancerous malignancy with few therapeutic options, increased biological understanding and unprecedented innovations in therapies targeting mutated driver genes and immune checkpoints have substantially improved the prognosis of patients. However, the low response rate and inevitable occurrence of resistance to currently available targeted therapies have posed the obstacle in the path of melanoma management to obtain further amelioration. Therefore, it is necessary to understand the mechanisms underlying melanoma pathogenesis more comprehensively, which might lead to more substantial progress in therapeutic approaches and expand clinical options for melanoma therapy. In this review, we firstly make a brief introduction to melanoma epidemiology, clinical subtypes, risk factors, and current therapies. Then, the signal pathways orchestrating melanoma pathogenesis, including genetic mutations, key transcriptional regulators, epigenetic dysregulations, metabolic reprogramming, crucial metastasis-related signals, tumor-promoting inflammatory pathways, and pro-angiogenic factors, have been systemically reviewed and discussed. Subsequently, we outline current progresses in therapies targeting mutated driver genes and immune checkpoints, as well as the mechanisms underlying the treatment resistance. Finally, the prospects and challenges in the development of melanoma therapy, especially immunotherapy and related ongoing clinical trials, are summarized and discussed.
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Affiliation(s)
- Weinan Guo
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, No. 127 of West Changle Road, 710032, Xi'an, Shaanxi, China
| | - Huina Wang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, No. 127 of West Changle Road, 710032, Xi'an, Shaanxi, China
| | - Chunying Li
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, No. 127 of West Changle Road, 710032, Xi'an, Shaanxi, China.
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Ghafouri-Fard S, Gholipour M, Taheri M. MicroRNA Signature in Melanoma: Biomarkers and Therapeutic Targets. Front Oncol 2021; 11:608987. [PMID: 33968718 PMCID: PMC8100681 DOI: 10.3389/fonc.2021.608987] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 03/30/2021] [Indexed: 12/11/2022] Open
Abstract
Melanoma is the utmost fatal kind of skin neoplasms. Molecular changes occurring during the pathogenic processes of initiation and progression of melanoma are diverse and include activating mutations in BRAF and NRAS genes, hyper-activation of PI3K/AKT pathway, inactivation of p53 and alterations in CDK4/CDKN2A axis. Moreover, several miRNAs have been identified to be implicated in the biology of melanoma through modulation of expression of genes being involved in these pathways. In the current review, we provide a summary of the bulk of information about the role of miRNAs in the pathobiology of melanoma, their possible application as biomarkers and their emerging role as therapeutic targets for this kind of skin cancer.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdi Gholipour
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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11
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Loussouarn C, Pers YM, Bony C, Jorgensen C, Noël D. Mesenchymal Stromal Cell-Derived Extracellular Vesicles Regulate the Mitochondrial Metabolism via Transfer of miRNAs. Front Immunol 2021; 12:623973. [PMID: 33796099 PMCID: PMC8007981 DOI: 10.3389/fimmu.2021.623973] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 01/14/2021] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) are the most commonly tested adult progenitor cells in regenerative medicine. They stimulate tissue repair primarily through the secretion of immune-regulatory and pro-regenerative factors. There is increasing evidence that most of these factors are carried on extracellular vesicles (EVs) that are released by MSCs, either spontaneously or after activation. Exosomes and microvesicles are the most investigated types of EVs that act through uptake by target cells and cargo release inside the cytoplasm or through interactions with receptors expressed on target cells to stimulate downstream intracellular pathways. They convey different types of molecules, including proteins, lipids and acid nucleics among which, miRNAs are the most widely studied. The cargo of EVs can be impacted by the culture or environmental conditions that MSCs encounter and by changes in the energy metabolism that regulate the functional properties of MSCs. On the other hand, MSC-derived EVs are also reported to impact the metabolism of target cells. In the present review, we discuss the role of MSC-EVs in the regulation of the energy metabolism and oxidative stress of target cells and tissues with a focus on the role of miRNAs.
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Affiliation(s)
- Claire Loussouarn
- IRMB, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France
| | - Yves-Marie Pers
- IRMB, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France.,Clinical Immunology and Osteoarticular Diseases Therapeutic Unit, Department of Rheumatology, Lapeyronie University Hospital, Montpellier, France
| | - Claire Bony
- IRMB, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France
| | - Christian Jorgensen
- IRMB, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France.,Clinical Immunology and Osteoarticular Diseases Therapeutic Unit, Department of Rheumatology, Lapeyronie University Hospital, Montpellier, France
| | - Danièle Noël
- IRMB, University of Montpellier, INSERM, CHU Montpellier, Montpellier, France.,Clinical Immunology and Osteoarticular Diseases Therapeutic Unit, Department of Rheumatology, Lapeyronie University Hospital, Montpellier, France
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12
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Glutaminase isoforms expression switches microRNA levels and oxidative status in glioblastoma cells. J Biomed Sci 2021; 28:14. [PMID: 33610185 PMCID: PMC7897386 DOI: 10.1186/s12929-021-00712-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 02/05/2021] [Indexed: 02/08/2023] Open
Abstract
Background Glutaminase isoenzymes GLS and GLS2 play apparently opposing roles in cancer: GLS acts as an oncoprotein, while GLS2 (GAB isoform) has context specific tumour suppressive activity. Some microRNAs (miRNAs) have been implicated in progression of tumours, including gliomas. The aim was to investigate the effect of GLS and GAB expression on both miRNAs and oxidative status in glioblastoma cells. Methods
Microarray profiling of miRNA was performed in GLS-silenced LN229 and GAB-transfected T98G human glioblastoma cells and their wild-type counterparts. Results were validated by real-time quantitative RT-PCR. Oxidative status and antioxidant enzymes were determined by spectrophotometric or fluorescence assays in GLS-silenced LN229 and T98G, and GAB-transfected LN229 and T98G. Results MiRNA-146a-5p, miRNA-140-3p, miRNA-21-5p, miRNA-1260a, and miRNA-92a-3p were downregulated, and miRNA-1246 was upregulated when GLS was knocked down. MiRNA-140-3p, miRNA-1246, miRNA-1260a, miRNA-21-5p, and miRNA-146a-5p were upregulated when GAB was overexpressed. Oxidative status (lipid peroxidation, protein carbonylation, total antioxidant capacity, and glutathione levels), as well as antioxidant enzymes (catalase, superoxide dismutase, and glutathione reductase) of silenced GLS glioblastoma cells and overexpressed GAB glioblastoma cells significantly changed versus their respective control glioblastoma cells. MiRNA-1246, miRNA-1260a, miRNA-146a-5p, and miRNA-21-5p have been characterized as strong biomarkers of glioblastoma proliferation linked to both GLS silencing and GAB overexpression. Total glutathione is a reliable biomarker of glioblastoma oxidative status steadily associated to both GLS silencing and GAB overexpression. Conclusions Glutaminase isoenzymes are related to the expression of some miRNAs and may contribute to either tumour progression or suppression through certain miRNA-mediated pathways, proving to be a key tool to switch cancer proliferation and redox status leading to a less malignant phenotype. Accordingly, GLS and GAB expression are especially involved in glutathione-dependent antioxidant defence.
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Qu J, Yuan C, Jia Q, Sun M, Jiang M, Zuo F. CircularRNA_0119872 regulates the microRNA-582-3p/E2F transcription factor 3 pathway to promote the progression of malignant melanoma. Clinics (Sao Paulo) 2021; 76:e3036. [PMID: 34644734 PMCID: PMC8478137 DOI: 10.6061/clinics/2021/e3036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 07/15/2021] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVES Malignant melanoma (MM) is an invasive tumor that poses a threat to patient health. Circular RNAs (circRNAs) are important regulators of MM carcinogenesis. In this study, we investigated the expression characteristics and biological functions of, and mechanism underlying, circ_0119872 expression in MM. METHODS Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) was employed to examine the circ_0119872, microRNA (miR)-582-3p, and E2F transcription factor 3 (E2F3) mRNA expression levels in MM tissues and cell lines. Western blotting was performed to quantify E2F3 protein expression. MM cells with circ_0119872 knockdown were established, and cell counting kit 8 (CCK-8) and transwell assays were utilized to examine the function of circ_0119872 and its effects on the malignant characteristics of MM cells. The MiRDB and TargetScan databases were used to predict the target genes of miR-582-3p. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis was used to explore the biological functions of the target genes of miR-582-3p. Additionally, a dual-luciferase reporter gene experiment was performed to verify the targeting relationship between circ_0119872 and miR-582-3p as well as that between miR-582-3p and E2F3. RESULTS Circ_0119872 was remarkably upregulated in MM tissues and cell lines. Circ_0119872 knockdown suppressed the cell proliferation and metastasis In addition, miR-582-3p was identified as a downstream target of circ_0119872. The target genes of miR-193a-3p are involved in melanogenesis and cancer-related signaling pathways. Mechanistically, circ_0119872 facilitated MM progression by adsorbing miR-582-3p and upregulating E2F3 expression. CONCLUSION Circ_0119872 is an oncogenic circRNA that participates in the promotion of MM progression by regulating the miR-582-3p/E2F3 axis.
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Affiliation(s)
- Jinlong Qu
- Department of Dermatology, Linyi Central Hospital, Linyi 276400, Shandong, China
| | - Chunying Yuan
- Department of Dermatology, Dongying People's Hospital, Dongying 257091, Shandong, China
| | - Qi Jia
- Department of Dermatology, Haiyang People’s Hospital, Haiyang 265100, Shandong, China
| | - Mengwei Sun
- Department of Dermatology, Haiyang People’s Hospital, Haiyang 265100, Shandong, China
| | - Min Jiang
- Department of Dermatology, Haiyang People’s Hospital, Haiyang 265100, Shandong, China
| | - Fuguang Zuo
- Department of Dermatology, Haiyang People’s Hospital, Haiyang 265100, Shandong, China
- Corresponding author. E-mail:
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Matés JM, Campos-Sandoval JA, de Los Santos-Jiménez J, Segura JA, Alonso FJ, Márquez J. Metabolic Reprogramming of Cancer by Chemicals that Target Glutaminase Isoenzymes. Curr Med Chem 2020; 27:5317-5339. [PMID: 31038055 DOI: 10.2174/0929867326666190416165004] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 03/19/2019] [Accepted: 03/31/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Metabolic reprogramming of tumours is a hallmark of cancer. Among the changes in the metabolic network of cancer cells, glutaminolysis is a key reaction altered in neoplasms. Glutaminase proteins control the first step in glutamine metabolism and their expression correlates with malignancy and growth rate of a great variety of cancers. The two types of glutaminase isoenzymes, GLS and GLS2, differ in their expression patterns and functional roles: GLS has oncogenic properties and GLS2 has been described as a tumour suppressor factor. RESULTS We have focused on glutaminase connections with key oncogenes and tumour suppressor genes. Targeting glutaminase isoenzymes includes different strategies aimed at deactivating the rewiring of cancer metabolism. In addition, we found a long list of metabolic enzymes, transcription factors and signalling pathways dealing with glutaminase. On the other hand, a number of chemicals have been described as isoenzyme-specific inhibitors of GLS and/or GLS2 isoforms. These molecules are being characterized as synergic and therapeutic agents in many types of tumours. CONCLUSION This review states the metabolic pathways that are rewired in cancer, the roles of glutaminase isoforms in cancer, as well as the metabolic circuits regulated by glutaminases. We also show the plethora of anticancer drugs that specifically inhibit glutaminase isoenzymes for treating several sets of cancer.
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Affiliation(s)
- José M Matés
- Instituto de Investigacion Biomedica de Malaga (IBIMA), Department of Molecular Biology and Biochemistry, Canceromics Lab, Faculty of Sciences, Campus de Teatinos, University of Malaga, 29071 Malaga, Spain
| | - José A Campos-Sandoval
- Instituto de Investigacion Biomedica de Malaga (IBIMA), Department of Molecular Biology and Biochemistry, Canceromics Lab, Faculty of Sciences, Campus de Teatinos, University of Malaga, 29071 Malaga, Spain
| | - Juan de Los Santos-Jiménez
- Instituto de Investigacion Biomedica de Malaga (IBIMA), Department of Molecular Biology and Biochemistry, Canceromics Lab, Faculty of Sciences, Campus de Teatinos, University of Malaga, 29071 Malaga, Spain
| | - Juan A Segura
- Instituto de Investigacion Biomedica de Malaga (IBIMA), Department of Molecular Biology and Biochemistry, Canceromics Lab, Faculty of Sciences, Campus de Teatinos, University of Malaga, 29071 Malaga, Spain
| | - Francisco J Alonso
- Instituto de Investigacion Biomedica de Malaga (IBIMA), Department of Molecular Biology and Biochemistry, Canceromics Lab, Faculty of Sciences, Campus de Teatinos, University of Malaga, 29071 Malaga, Spain
| | - Javier Márquez
- Instituto de Investigacion Biomedica de Malaga (IBIMA), Department of Molecular Biology and Biochemistry, Canceromics Lab, Faculty of Sciences, Campus de Teatinos, University of Malaga, 29071 Malaga, Spain
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Sun B, Xing K, Qi C, Yan K, Xu Y. Down-regulation of miR-215 attenuates lipopolysaccharide-induced inflammatory injury in CCD-18co cells by targeting GDF11 through the TLR4/NF-kB and JNK/p38 signaling pathways. Histol Histopathol 2020; 35:1473-1481. [PMID: 33146403 DOI: 10.14670/hh-18-278] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Ulcerative colitis (UC) is a risk factor for carcinogenesis of colorectal cancer, which is associated with disruption of the epithelial barrier and disorder of the inflammatory response. It has been reported that the expression of microRNA (miR)-215 is upregulated in patients with long-term UC. The present study aimed to investigate the effects of miR-215 on lipopolysaccharide (LPS)-induced inflammatory injury in CCD-18Co cells, as well as to identify the underlying possible molecular mechanisms. CCD-18Co cells were treated with 1 µg/ml LPS to induce inflammatory injury. Reverse transcription-quantitative PCR was performed to determine the expression of miR-215 in LPS-treated CCD-18Co cells. Moreover, a dual luciferase reporter system assay was used to evaluate the interaction of miR-215 and growth differentiation factor 11 (GDF11) in CCD-18Co cells. The expression of miR-215 was significantly upregulated in LPS-treated CCD-18Co cells. Knockdown of miR-215 significantly alleviated the inflammatory response and oxidative stress in LPS-treated CCD-18Co cells. In addition, GDF11 was identified as a direct binding target of miR-215 in CCD-18Co cells. Knockdown of miR-215 significantly increased the expression of GDF11, but decreased the expression levels of Toll-like receptor (TLR)4, phosphorylated (p)-p65, iNOS, p-p38 and p-JNK in LPS-treated CCD-18Co cells. Collectively, the present findings indicated that knockdown of miR-215 alleviated oxidative stress and inflammatory response in LPS-treated CCD-18Co cells by upregulating GDF11 expression and inactivating the TLR4/NF-κB and JNK/p38 signaling pathways.
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Affiliation(s)
- Boyang Sun
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China.,Department of Periodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Kai Xing
- Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu, China
| | - Chen Qi
- Department of Cardiothoracic Surgery, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu, China
| | - Ke Yan
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China.,Department of Periodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yan Xu
- Department of Periodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.,Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China.
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16
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Matés JM, Campos-Sandoval JA, de Los Santos-Jiménez J, Márquez J. Glutaminases regulate glutathione and oxidative stress in cancer. Arch Toxicol 2020; 94:2603-2623. [PMID: 32681190 DOI: 10.1007/s00204-020-02838-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 07/08/2020] [Indexed: 12/15/2022]
Abstract
Targeted therapies against cancer have improved both survival and quality of life of patients. However, metabolic rewiring evokes cellular mechanisms that reduce therapeutic mightiness. Resistant cells generate more glutathione, elicit nuclear factor erythroid 2-related factor 2 (NRF2) activation, and overexpress many anti-oxidative genes such as superoxide dismutase, catalase, glutathione peroxidase, and thioredoxin reductase, providing stronger antioxidant capacity to survive in a more oxidative environment due to the sharp rise in oxidative metabolism and reactive oxygen species generation. These changes dramatically alter tumour microenvironment and cellular metabolism itself. A rational design of therapeutic combination strategies is needed to flatten cellular homeostasis and accomplish a drop in cancer development. Context-dependent glutaminase isoenzymes show oncogenic and tumour suppressor properties, being mainly associated to MYC and p53, respectively. Glutaminases catalyze glutaminolysis in mitochondria, regulating oxidative phosphorylation, redox status and cell metabolism for tumour growth. In addition, the substrate and product of glutaminase reaction, glutamine and glutamate, respectively, can work as signalling molecules moderating redox and bioenergetic pathways in cancer. Novel synergistic approaches combining glutaminase inhibition and redox-dependent modulation are described in this review. Pharmacological or genetic glutaminase regulation along with oxidative chemotherapy can help to improve the design of combination strategies that escalate the rate of therapeutic success in cancer patients.
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Affiliation(s)
- José M Matés
- Department of Molecular Biology and Biochemistry, Canceromics Lab, Faculty of Sciences, University of Málaga, Campus de Teatinos, 29071, Málaga, Spain.
- Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain.
| | - José A Campos-Sandoval
- Department of Molecular Biology and Biochemistry, Canceromics Lab, Faculty of Sciences, University of Málaga, Campus de Teatinos, 29071, Málaga, Spain
- Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
| | - Juan de Los Santos-Jiménez
- Department of Molecular Biology and Biochemistry, Canceromics Lab, Faculty of Sciences, University of Málaga, Campus de Teatinos, 29071, Málaga, Spain
- Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
| | - Javier Márquez
- Department of Molecular Biology and Biochemistry, Canceromics Lab, Faculty of Sciences, University of Málaga, Campus de Teatinos, 29071, Málaga, Spain
- Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
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Sun MX, An Q, Chen LM, Guo L. MIR-520f Regulated Itch Expression and Promoted Cell Proliferation in Human Melanoma Cells. Dose Response 2020; 18:1559325820918450. [PMID: 32425721 PMCID: PMC7218305 DOI: 10.1177/1559325820918450] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 03/08/2020] [Accepted: 03/11/2020] [Indexed: 12/31/2022] Open
Abstract
Accumulating evidence suggests that abnormal expression and dysfunction of microRNA is involved in development of cancers. However, the function of miR-520f especially in human melanoma remains elusive. In the current study, the underlying function of miR-520f in human melanoma was investigated. Our study demonstrated that the miR-520f level in human melanoma cell lines and clinical tissues was increased. Overexpression of miR-520f promoted cell proliferation by using the 3-(4,5-dimethylthiazole-2-yl)-2,5-diphenyltetrazolium bromide assay, colony formation, anchorage-independent growth assay, and 5-bromo-2-deoxyuridine assays. Furthermore, we revealed that miR-520f could interact with circular RNA Itchy E3 ubiquitin protein ligase (ITCH) 3′-untranslated region and suppress ITCH expression in human melanoma cells. The inhibitory effect of miR-520f-in could be partially restored by knockdown of ITCH in human melanoma cells. In summary, this study provides novel insights into miR-520f act as a crucial role in the regulation of human melanoma cell growth via regulating ITCH, which might be a potential biomarker and therapeutic target of human melanoma.
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Affiliation(s)
- Ming-Xia Sun
- Department of Dermatology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, People's Republic of China
| | - Qun An
- Department of Burns and Plastic Surgery, The Second People Hospital of Dezhou, People's Republic of China
| | - La-Mei Chen
- Department of Dermatology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, People's Republic of China
| | - Ling Guo
- Department of Dermatology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, People's Republic of China
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18
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Non-Coding RNAs as Key Regulators of Glutaminolysis in Cancer. Int J Mol Sci 2020; 21:ijms21082872. [PMID: 32326003 PMCID: PMC7216265 DOI: 10.3390/ijms21082872] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/15/2020] [Accepted: 04/17/2020] [Indexed: 02/08/2023] Open
Abstract
Cancer cells exhibit exacerbated metabolic activity to maintain their accelerated proliferation and microenvironmental adaptation in order to survive under nutrient-deficient conditions. Tumors display an increase in glycolysis, glutaminolysis and fatty acid biosynthesis, which provide their energy source. Glutamine is critical for fundamental cellular processes, where intermediate metabolites produced through glutaminolysis are necessary for the maintenance of mitochondrial metabolism. These include antioxidants to remove reactive oxygen species, and the generation of the nonessential amino acids, purines, pyrimidines and fatty acids required for cellular replication and the activation of cell signaling. Some cancer cells are highly dependent on glutamine consumption since its catabolism provides an anaplerotic pathway to feed the Krebs cycle. Intermediate members of the glutaminolysis pathway have been found to be deregulated in several types of cancers and have been proposed as therapeutic targets and prognostic biomarkers. This review summarizes the main players in the glutaminolysis pathway, how they have been found to be deregulated in cancer and their implications for cancer maintenance. Furthermore, non-coding RNAs are now recognized as new participants in the regulation of glutaminolysis; therefore, their involvement in glutamine metabolism in cancer is discussed in detail.
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19
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Masisi BK, El Ansari R, Alfarsi L, Rakha EA, Green AR, Craze ML. The role of glutaminase in cancer. Histopathology 2020; 76:498-508. [DOI: 10.1111/his.14014] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 10/05/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Brendah K Masisi
- Nottingham Breast Cancer Research Centre Division of Cancer and Stem Cells School of Medicine University of Nottingham Biodiscovery Institute University Park Nottingham UK
| | - Rokaya El Ansari
- Nottingham Breast Cancer Research Centre Division of Cancer and Stem Cells School of Medicine University of Nottingham Biodiscovery Institute University Park Nottingham UK
| | - Lutfi Alfarsi
- Nottingham Breast Cancer Research Centre Division of Cancer and Stem Cells School of Medicine University of Nottingham Biodiscovery Institute University Park Nottingham UK
| | - Emad A Rakha
- Nottingham Breast Cancer Research Centre Division of Cancer and Stem Cells School of Medicine University of Nottingham Biodiscovery Institute University Park Nottingham UK
| | - Andrew R Green
- Nottingham Breast Cancer Research Centre Division of Cancer and Stem Cells School of Medicine University of Nottingham Biodiscovery Institute University Park Nottingham UK
| | - Madeleine L Craze
- Nottingham Breast Cancer Research Centre Division of Cancer and Stem Cells School of Medicine University of Nottingham Biodiscovery Institute University Park Nottingham UK
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20
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Ni X, Ding Y, Yuan H, Shao J, Yan Y, Guo R, Luan W, Xu M. Long non-coding RNA ZEB1-AS1 promotes colon adenocarcinoma malignant progression via miR-455-3p/PAK2 axis. Cell Prolif 2019; 53:e12723. [PMID: 31828845 PMCID: PMC6985675 DOI: 10.1111/cpr.12723] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 10/04/2019] [Accepted: 10/24/2019] [Indexed: 12/11/2022] Open
Abstract
Objective The long non‐coding RNA zinc finger E‐box‐binding homeobox 1 antisense 1 (ZEB1‐AS1) acts as an oncogenic regulator in many human tumours. In the present study, we identify the role and potential molecular biological mechanisms of ZEB1‐AS1 in colon adenocarcinoma (COAD). Methods QRT‐PCR was used to detect the expression of ZEB1‐AS1, miR‐455‐3p and p21‐activated kinases 2 (PAK2) in COAD tissues. CCK8 assay, EdU assay, transwell assay and scratch wound assay were used to explore the biological function of ZEB1‐AS1 in COAD cells. Bioinformatics, luciferase reporter assays and an RNA pull‐down assay were used to demonstrate the mechanism of ZEB1‐AS1. We further explore the role of ZEB1‐AS1 in vivo though xenograft tumour assay. Results We found that ZEB1‐AS1 expression was significantly up‐regulated in COAD tissues, and high ZEB1‐AS1 level was correlated with the poor prognosis of COAD patients. MiR‐455‐3p plays an anti‐cancer role in COAD by targeting PAK2. We confirmed that ZEB1‐AS1 promotes PAK2 expression by sponging miR‐455‐3p, thus facilitating COAD cell growth and metastasis. Conclusions To sum up, this result illustrates the novel molecular mechanism of ZEB1‐AS1 in COAD and provides a new target for the diagnosis and treatment of COAD patients.
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Affiliation(s)
- Xin Ni
- Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yuting Ding
- Department of Rehabilitation, Changshu No. 2 People's Hospital (The 5th Clinical Medical College of Yangzhou University), Changshu, China
| | - Haitao Yuan
- Department of General Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
| | - Jinmin Shao
- Department of Liver Disease, Zhenjiang Third People's Hospital, Zhenjiang, China
| | - Yan Yan
- Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Rouyu Guo
- Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Wenkang Luan
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
| | - Min Xu
- Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
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Luan W, Ding Y, Ma S, Ruan H, Wang J, Lu F. Long noncoding RNA LINC00518 acts as a competing endogenous RNA to promote the metastasis of malignant melanoma via miR-204-5p/AP1S2 axis. Cell Death Dis 2019; 10:855. [PMID: 31712557 PMCID: PMC6848151 DOI: 10.1038/s41419-019-2090-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 10/07/2019] [Accepted: 10/25/2019] [Indexed: 12/18/2022]
Abstract
Long intergenic nonprotein coding RNA 518 (LINC00518) has been shown to promote cancer cell growth and metastasis in some human tumors. Although it has been reported that LINC00518 is dysregulated in melanoma, its exact role and molecular mechanism in melanoma remain unclear. RNA-seq analysis and qRT-PCR was used to detect the expression of LINC00518 in melanoma tissues. Melanoma cases from The Cancer Genome Atlas (TCGA), GEO#GSE15605 and GEO#GSE24469 were included in this study. 3D migration, transwell and scratch wound assay were used to explore the role of LINC00518 in melanoma cells. Bioinformatics, luciferase reporter assays, MS2-RIP assay, RNA pull-down assay and RNA-ChIP assay were used to demonstrate the mechanism of LINC00518 in melanoma. We found that LICN00518 was significantly upregulated in melanoma tissue, and high LICN00518 level was an independent risk factor for melanoma patients. LICN00518 promoted the invasion and migration of melanoma cells. LICN00518 exerted its role by decoying miR-204-5p to upregulate Adaptor Related Protein Complex 1 Sigma 2 Subunit (AP1S2) expression. We also demonstrated that LICN00518 promoted melanoma metastasis in vivo through pulmonary metastasis assay. This result elucidates a new mechanism for LICN00518 in the metastasis of melanoma. LICN00518 may serve as a survival indicator and potential therapeutic target in melanoma patients.
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Affiliation(s)
- Wenkang Luan
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China.
| | - Yuting Ding
- Department of Rehabilitation, Changshu No. 2 People's Hospital (The 5th Clinical Medical College of Yangzhou University), Changshu, Jiangsu, China
| | - Shaojun Ma
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Hongru Ruan
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Jinlong Wang
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Feng Lu
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
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Luan W, Zhang X, Ruan H, Wang J, Bu X. Long noncoding RNA OIP5-AS1 acts as a competing endogenous RNA to promote glutamine catabolism and malignant melanoma growth by sponging miR-217. J Cell Physiol 2019; 234:16609-16618. [PMID: 30779126 DOI: 10.1002/jcp.28335] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Revised: 01/26/2019] [Accepted: 01/30/2019] [Indexed: 01/24/2023]
Abstract
The long noncoding RNA (lncRNA) OIP5-AS1 has been considered to promote the growth and metastasis of many human tumors. However, the role of OIP5-AS1 in melanoma has not been reported. In this study, we found that OIP5-AS1 levels were significantly elevated in melanoma tissue and that high OIP5-AS1 expression was an independent risk factor for the poor survival of patients with melanoma. miR-217 suppressed glutamine catabolism in melanoma cells by targeting glutaminase (GLS), the rate-limiting enzyme of glutamine catabolism. We also demonstrated that OIP5-AS1 acted as a sponge of miR-217 to upregulate GLS expression, thus promoting glutamine catabolism and melanoma growth. Overall, this result elucidates a new mechanism for OIP5-AS1 in metabolism in melanoma and provides a potential therapeutic target for patients with melanoma.
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Affiliation(s)
- Wenkang Luan
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
| | - Xuanfeng Zhang
- Department of General Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
| | - Hongru Ruan
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
| | - Jinlong Wang
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
| | - Xuefeng Bu
- Department of General Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
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23
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Metabolic flexibility in melanoma: A potential therapeutic target. Semin Cancer Biol 2019; 59:187-207. [PMID: 31362075 DOI: 10.1016/j.semcancer.2019.07.016] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 07/11/2019] [Accepted: 07/23/2019] [Indexed: 01/01/2023]
Abstract
Cutaneous melanoma (CM) represents one of the most metastasizing and drug resistant solid tumors. CM is characterized by a remarkable metabolic plasticity and an important connection between oncogenic activation and energetic metabolism. In fact, melanoma cells can use both cytosolic and mitochondrial compartments to produce adenosine triphosphate (ATP) during cancer progression. However, the CM energetic demand mainly depends on glycolysis, whose upregulation is strictly linked to constitutive activation of BRAF/MAPK pathway affected by BRAFV600E kinase mutant. Furthermore, the impressive metabolic plasticity of melanoma allows the development of resistance mechanisms to BRAF/MEK inhibitors (BRAFi/MEKi) and the adaptation to microenvironmental changes. The metabolic interaction between melanoma cells and tumor microenvironment affects the immune response and CM growth. In this review article, we describe the regulation of melanoma metabolic alterations and the metabolic interactions between cancer cells and microenvironment that influence melanoma progression and immune response. Finally, we summarize the hallmarks of melanoma therapies and we report BRAF/MEK pathway targeted therapy and mechanisms of metabolic resistance.
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Inhibition of GLS suppresses proliferation and promotes apoptosis in prostate cancer. Biosci Rep 2019; 39:BSR20181826. [PMID: 31196962 PMCID: PMC6591571 DOI: 10.1042/bsr20181826] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 05/26/2019] [Accepted: 06/11/2019] [Indexed: 12/11/2022] Open
Abstract
Altered glutamine metabolism is a hallmark of cancer growth, forming the theoretical basis for development of metabolic therapies as cancer treatments. Glutaminase (GLS), a crucial enzyme involved in the regulation of glutamine metabolism, has been reported to play crucial roles in cancer development. However, the precise function of GLS in prostate cancer (PCa) remains unclear. The purpose of the present study was to assess the GLS expression and its clinical significance in PCa. We found that GLS was significantly up-regulated in PCa tissues and cell lines. High expression of GLS was significantly associated with Gleason score (P=0.001) and Tumor stage (P=0.015). Functionally, we silenced GLS in PCa cell lines and revealed that GLS knockdown largely blunted the proliferation of DU145 and PC-3 cells. Mechanistically, we demonstrated that knockdown of GLS induced apoptosis and cell cycle arrest. Moreover, we observed that the expressions of Bax were increased while the levels of cyclinD1 and Bcl-2 were decreased after knockdown of GLS in PCa cells. Importantly, through Western blot analysis, we identified that GLS knockdown dramatically suppressed Wnt/β-catenin pathway. Taken together, GLS is a novel oncogene in PCa and may be a potential treatment target for PCa patients.
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Wang W, Guo Z, Yu H, Fan L. MiR-216b inhibits osteosarcoma cell proliferation, migration, and invasion by targeting Forkhead Box M1. J Cell Biochem 2018; 120:5435-5443. [PMID: 30302807 DOI: 10.1002/jcb.27822] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 09/12/2018] [Indexed: 12/16/2022]
Abstract
Osteosarcoma (OS) is considered the most common type of primary malignant bone tumor, which has a high rate of mortality in children and adolescents. However, the current treatment methods for OS are ineffective. Therefore, there is an urgent requirement to identify the critical targets. This study aimed to identify the roles and significance of microRNA-216b (miR-216b) in OS. To explore the cellular and molecular functions of miR-216b and Forkhead Box M1 (FoxM1) in OS, the expression of miR-216b and FoxM1 at the transcriptional level was measured using quantitative real-time PCR (qRT-PCR). Wound healing assay, 3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyltetrazolium bromide assay (MTT) assay, flow cytometry, and transwell invasion assay were conducted to study the function of miR-216b and FoxM1 in OS cells. Dual luciferase reporter assay was performed to identify the relationships between miR-216b and FoxM1. qRT-PCR results revealed that miR-216b expression was significantly downregulated, and FoxM1 was observed to be significantly upregulated in human OS cell lines (MG-63) and tissues. MTT data showed that upregulation of miR-216b expression led to cell growth inhibition in MG-63 cells. The results of the invasion assay and wound healing assay illustrated that miR-216b upregulation or FoxM1 downregulation could inhibit the invasion and migration in MG-63 cells. In vivo, the tumor volume was significantly decreased by miR-194 mimic treatment compared with the control group. Furthermore, the results of the luciferase assay indicated that FoxM1 is a direct target of miR-216b. These findings may provide novel insights into the molecular mechanism of miR-216b and FoxM1 in the progression of OS, and suggested that miR-216b may serve as a potential tumor inhibitor of OS by targeting FoxM1.
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Affiliation(s)
- Wei Wang
- Department of Nursing, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Zijun Guo
- Department of Nursing, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Hong Yu
- Department of Nursing, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Ling Fan
- Department of Nursing, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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Liang L, Zhang Z, Qin X, Gao Y, Zhao P, Liu J, Zeng W. Gambogic Acid Inhibits Melanoma through Regulation of miR-199a-3p/ZEB1 Signalling. Basic Clin Pharmacol Toxicol 2018; 123:692-703. [PMID: 29959879 DOI: 10.1111/bcpt.13090] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Accepted: 06/25/2018] [Indexed: 12/14/2022]
Abstract
Malignant melanoma is an aggressive form of cancer which is highly resistant to chemotherapy. We have previously found that gambogic acid (GA), a kind of polyprenylated xanthone, exhibits an antitumour role in melanoma. The study was designed to investigate novel mechanisms of the antitumour effect of GA in melanoma cells and implanted nude mice. Gambogic acid significantly decreased cell viability, increased apoptosis and reduced migration and invasion in A375 cells. In addition, cisplatin-induced cytotoxicity in both A375 and A375/CDDP cells was increased by GA. The expression of miR-199a-3p was increased by GA in A375 cells and implanted tumours, and inhibition of miR-199a-3p significantly prevented GA-induced effect on cell viability, apoptosis, migration, invasion and cisplatin sensitivity in A375 cells. miR-199a-3p mimics reduced tumour weight and volume in vivo and decreased cell viability, increased apoptosis and reduced migration and invasion in vitro. miR-199a-3p expression was decreased in melanoma tissues and cells, as compared with their controls. miR-199a-3p possessed a potential binding site in the 3'-UTR of zinc finger E-box binding homeobox (ZEB1). ZEB1 expression was increased in melanoma tissues and cells, as compared with their controls. ZEB1 and miR-199a-3p expression was negatively correlated in melanoma tissues. The expression of ZEB1 was decreased by GA in A375 cells and implanted tumours, and up-regulation of ZEB1 significantly prevented GA-induced effect on cell viability, apoptosis, migration, invasion and cisplatin sensitivity. Down-regulation of ZEB1 reduced tumour weight and volume in vivo and decreased cell viability, increased apoptosis and reduced migration and invasion in vitro. We identified the important roles of miR-199a-3p and ZEB1 in melanoma and elucidated the tumour suppressor function of miR-199a-3p through inhibition of ZEB1. The results highlight the importance of miR-199a-3p-ZEB1 signalling in antitumour effect of GA in malignant melanoma and provide novel targets for the chemotherapy of melanoma.
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Affiliation(s)
- Lili Liang
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Department of Dermatology, Shanxi Provincial People's Hospital, Affiliated of Shanxi Medical University, Taiyuan, China
| | - Zhixin Zhang
- Department of General Surgery, Shanxi Hospital of Traditional Chinese Medicine, Taiyuan, China
| | - Xiaowei Qin
- Department of Dermatology, Shanxi Provincial People's Hospital, Affiliated of Shanxi Medical University, Taiyuan, China
| | - Ying Gao
- Department of Dermatology, Shanxi Provincial People's Hospital, Affiliated of Shanxi Medical University, Taiyuan, China
| | - Peng Zhao
- Department of Dermatology, Shanxi Provincial People's Hospital, Affiliated of Shanxi Medical University, Taiyuan, China
| | - Jing Liu
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Weihui Zeng
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Yang X, Ye H, He M, Zhou X, Sun N, Guo W, Lin X, Huang H, Lin Y, Yao R, Wang H. LncRNA PDIA3P interacts with c-Myc to regulate cell proliferation via induction of pentose phosphate pathway in multiple myeloma. Biochem Biophys Res Commun 2018; 498:207-213. [PMID: 29501744 DOI: 10.1016/j.bbrc.2018.02.211] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 02/28/2018] [Indexed: 12/24/2022]
Abstract
Multiple myeloma (MM), the second most common hematologic malignancy, is an incurable disease characterized by the accumulation of malignant plasma cells within the bone marrow. Though great progresses have been made in understanding the mechanisms of MM, metabolic plasticity and drug resistance remain largely unknown. In this study, we found lncRNA Protein disulfide isomerase family A member 3 pseudogene 1 (PDIA3P) is highly expressed in MM and is associated with the survival rate of MM patients. PDIA3P regulates MM growth and drug resistance through Glucose 6-phosphate dehydrogenase (G6PD) and the pentose phosphate pathway (PPP). Mechanistically, we revealed that PDIA3P interacts with c-Myc to enhance its transactivation activity and binding to G6PD promoter, stimulating G6PD expression and PPP flux. Our study identified PDIA3P as a novel c-Myc interacting lncRNA and elucidated crucial roles for PDIA3P in metabolic regulation of MM, providing a potential therapeutic target for MM patients.
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Affiliation(s)
- Xiangchou Yang
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Haihao Ye
- Department of Cardiology, Wenzhou TCM Hospital, Wenzhou, 325000, China
| | - Muqing He
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Xiaohai Zhou
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Ni Sun
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Wenjian Guo
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Xiaoji Lin
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - He Huang
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Ying Lin
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Rongxin Yao
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Hong Wang
- Department of Rheumatology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
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