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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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Long Non-coding RNA ZFPM2-AS1: A Novel Biomarker in the Pathogenesis of Human Cancers. Mol Biotechnol 2022; 64:725-742. [DOI: 10.1007/s12033-021-00443-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 12/22/2021] [Indexed: 10/19/2022]
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Cui Y, Zheng Y, Lu Y, Zhang M, Yang L, Li W. LINC01224 facilitates the proliferation and inhibits the radiosensitivity of melanoma cells through the miR-193a-5p/NR1D2 axis. Kaohsiung J Med Sci 2021; 38:196-206. [PMID: 34783160 DOI: 10.1002/kjm2.12467] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 07/08/2021] [Accepted: 10/04/2021] [Indexed: 12/22/2022] Open
Abstract
Melanoma is a skin cancer characterized by early metastasis and high mortality. Radiotherapy is a common treatment for melanoma in patients. Long noncoding RNAs play pivotal roles in regulating the radiosensitivity of many tumors, including melanomas. In this study, the role of LINC01224 in the radiosensitivity of melanoma cells was explored. The expression of LINC01224 in melanoma was examined by reverse transcription-quantitative polymerase chain reaction, and the results showed that LINC01224 was upregulated in melanoma tissues and cells. The effects of LINC01224 on cell proliferation and apoptosis in melanoma were assessed by 3-(4,5-Dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium Bromide (MTT), colony formation, and flow cytometry assays. The effects of LINC01224 on the radiosensitivity of melanoma were analyzed by colony formation assay. The results implied that LINC01224 knockdown inhibited cell viability and proliferation but enhanced cell apoptosis and radiosensitivity. Luciferase reporter and RNA pull-down assays were performed to evaluate the relationships between LINC01224 and miR-193a-5p or miR-193a-5p and nuclear receptor subfamily 1 group D member 2 (NR1D2). We found that LINC01224 binds to miR-193a-5p, which directly targets NR1D2. In addition, we discovered that LINC01224 upregulated NR1D2 expression by sponging miR-193a-5p in melanoma cells. Overall, the data collected in this study suggest that LINC01224 exerts oncogenic effects in melanoma via the miR-193a-5p/NR1D2 axis.
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Affiliation(s)
- Yu Cui
- Department of CT, Chengde Central Hospital, Chengde, China
| | - Yi Zheng
- Department of CT, Chengde Central Hospital, Chengde, China
| | - Yue Lu
- Department of Ultrasound Diagnosis, Chengde Central Hospital, Chengde, China
| | - Muyuan Zhang
- Department of CT, Chengde Central Hospital, Chengde, China
| | - Lei Yang
- Department of CT, Chengde Central Hospital, Chengde, China
| | - Wei Li
- Department of CT, Chengde Central Hospital, Chengde, China
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Exosomal miR-106b-5p derived from melanoma cell promotes primary melanocytes epithelial-mesenchymal transition through targeting EphA4. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:107. [PMID: 33741023 PMCID: PMC7980627 DOI: 10.1186/s13046-021-01906-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 03/08/2021] [Indexed: 02/07/2023]
Abstract
Background Cancer-secreted exosomal miRNAs regulates the biological processes of many tumours. The serum level of exosomal miR-106b-5p is significantly increased in melanoma patients. However, the role and molecular mechanisms of exosomal miR-106b-5p in melanoma remains unclear. Methods Quantitative real-time polymerase chain reaction (qRT-PCR) was used to detect the expression of miR-106b-5p and EphA4 in melanoma tissues. Transmission electron microscopy (TEM) and western blotting were used to identify exosome. QRT-qPCR and Cy3-labelled miR-106b-5p were used to demonstrated the transmission of melanoma cell-secreted exosomal miR-106b-5p. Western blotting, Immunofluorescence, adhesion, transwell and scratch wound assay were used to explore the role of exosomal miR-106b-5p in melanocytes. Luciferase reporter assays and RNA-Chromatin Immunoprecipitation (ChIP) assay were used to confirm whether erythropoietin-producing hepatocellular carcinoma receptor A4 (EphA4) was a direct target of miR-106b-5p. Results We found that miR-106b-5p levels were increased in melanoma tissue, and high miR-106b-5p expression is an independent risk factor for the overall survival of patients with melanoma. miR-106b-5p is enriched in melanoma cell-secreted exosomes and transferred to melanocytes. Exosomal miR-106b-5p promotes the epithelial-to-mesenchymal transition (EMT), migration, invasion and adhesion of melanocytes. Exosomal miR-106b-5p exerted its role by targeting EphA4 to activate the ERK pathway. We demonstrated that exosomal miR-106b-5p promoted melanoma metastasis in vivo through pulmonary metastasis assay. Conclusions Thus, melanoma cell-secreted exosomal miR-106b-5p may serve as a diagnostic indicator and potential therapeutic target in melanoma patients. Supplementary Information The online version contains supplementary material available at 10.1186/s13046-021-01906-w.
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Wang X, Wang Y, Lin F, Xu M, Zhao X. Long non-coding RNA LINC00665 promotes melanoma cell growth and migration via regulating the miR-224-5p/VMA21 axis. Exp Dermatol 2020; 31:64-73. [PMID: 33247967 DOI: 10.1111/exd.14246] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 10/15/2020] [Accepted: 11/11/2020] [Indexed: 12/12/2022]
Abstract
Melanoma is an aggressive malignant skin tumor endangering the health of patients. Long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) have been increasingly reported to be implicated in the carcinogenesis of melanoma. Long intergenic non-coding RNA 00665 (LINC00665) has been found to exert important regulatory roles in some cancers, yet its function in melanoma remains to be investigated. QRT-PCR analysis was conducted to evaluate the relative expression of RNAs. Functional experiments in vitro including colony formation, EdU, wound-healing and transwell assays, as well as in vivo xenograft assays, were utilized to study the role of LINC00665 in melanoma. Mechanical experiments were implemented to probe into the molecular linkage of LINC00665, miR-224-5p and VMA21. LINC00665 was abnormally highly expressed in melanoma cells. Silencing LINC00665 could inhibit the proliferation and migration of melanoma cells. LINC00665 sponged miR-224-5p to upregulate VMA21. VMA21 knockdown exerted similarly interfering effects on above biological processes in melanoma cells. However, VMA21 overexpression abolished the in vitro and in vivo outcomes of LINC00665 silencing. LINC00665 promotes proliferative and migrating abilities of melanoma cells via targeting miR-224-5p/VMA21 axis.
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Affiliation(s)
- Xiaonan Wang
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China
| | - Yanbing Wang
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China
| | - Feifei Lin
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China
| | - Meng Xu
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China
| | - Xin Zhao
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China
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Luan W, Ding Y, Yuan H, Ma S, Ruan H, Wang J, Lu F, Bu X. Long non-coding RNA LINC00520 promotes the proliferation and metastasis of malignant melanoma by inducing the miR-125b-5p/EIF5A2 axis. J Exp Clin Cancer Res 2020; 39:96. [PMID: 32466797 PMCID: PMC7254730 DOI: 10.1186/s13046-020-01599-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 05/19/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Long intergenic non-protein coding RNA 520 (LINC00520), a novel identified lncRNA, has been shown to modulate the malignant phenotype of tumor cells in some malignant tumors. However, the exact role and molecular mechanism of LINC00520 in malignant melanoma has not been studied. METHODS The expression of LINC00520 in melanoma tissues were detected by using RNA-seq analysis and qRT-PCR. Melanoma cases from the public databases (The Cancer Genome Atlas (TCGA), GEO#GSE15605, GEO#GSE34460 and GEO#GSE24996) were included in this study. CCK-8 assay, EdU assay, transwell and scratch wound assay were used to explore the role of LINC00520 in melanoma cells. Luciferase reporter assays, MS2-RIP, RNA pull-down and RNA-ChIP assay were used to demonstrate the molecular biological mechanism of LINC00520 in melanoma. RESULTS We found that LICN00520 was found to be overexpressed in melanoma tissue. High expression of LICN00520 is a risk factor for the prognosis of melanoma patients. LINC00520 promotes the proliferation, invasion and migration of melanoma cells. LICN00520 exerted its oncogenic role by competitive binding miR-125b-5p to promote Eukaryotic initiation factor 5A2 (EIF5A2) expression. We also showed that LICN00520 promotes the growth and metastasis of melanoma in vivo through regulating miR-125b-5p/EIF5A2 axis. CONCLUSIONS All results elucidated the role and molecular mechanism of LINC00520 in the malignant development of melanoma. LINC00520, a new oncogene in melanoma, maybe serve as a survival biomarkers or therapeutic target for melanoma patients.
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Affiliation(s)
- Wenkang Luan
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, 8 Dianli Road, Zhenjiang, 212000, Jiangsu, China.
| | - Yuting Ding
- Department of Rehabilitation, Changshu No. 2 People's Hospital (The 5th Clinical Medical College of Yangzhou University), Changshu, Jiangsu, China
| | - Haitao Yuan
- Department of General Surgery, Affiliated People's Hospital of Jiangsu University, 8 Dianli Road, Zhenjiang, 212000, Jiangsu, China
| | - Shaojun Ma
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, 8 Dianli Road, Zhenjiang, 212000, Jiangsu, China
| | - Hongru Ruan
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, 8 Dianli Road, Zhenjiang, 212000, Jiangsu, China
| | - Jinlong Wang
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, 8 Dianli Road, Zhenjiang, 212000, Jiangsu, China
| | - Feng Lu
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, 8 Dianli Road, Zhenjiang, 212000, Jiangsu, China
| | - Xuefeng Bu
- Department of General Surgery, Affiliated People's Hospital of Jiangsu University, 8 Dianli Road, Zhenjiang, 212000, Jiangsu, China.
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Overcoming Resistance to Therapies Targeting the MAPK Pathway in BRAF-Mutated Tumours. JOURNAL OF ONCOLOGY 2020; 2020:1079827. [PMID: 32411231 PMCID: PMC7199609 DOI: 10.1155/2020/1079827] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/21/2019] [Accepted: 11/29/2019] [Indexed: 12/12/2022]
Abstract
Overactivation of the mitogen-activated protein kinase (MAPK) pathway is an important driver of many human cancers. First line, FDA-approved therapies targeting MAPK signalling, which include BRAF and MEK inhibitors, have variable success across cancers, and a significant number of patients quickly develop resistance. In recent years, a number of preclinical studies have reported alternative methods of overcoming resistance, which include promoting apoptosis, modulating autophagy, and targeting mitochondrial metabolism. This review summarizes mechanisms of resistance to approved MAPK-targeted therapies in BRAF-mutated cancers and discusses novel preclinical approaches to overcoming resistance.
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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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Ding F, Lai J, Gao Y, Wang G, Shang J, Zhang D, Zheng S. NEAT1/miR-23a-3p/KLF3: a novel regulatory axis in melanoma cancer progression. Cancer Cell Int 2019; 19:217. [PMID: 31462890 PMCID: PMC6706883 DOI: 10.1186/s12935-019-0927-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 07/26/2019] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Melanoma is an extremely aggressive malignant skin tumor with high mortality. Many types of long noncoding RNAs and microRNAs have been reported to be associated with the oncogenesis of melanoma. However, a novel lncRNA-NEAT has not been thoroughly investigated in melanoma cancer. The purposes of this study were to investigate the underlying molecular mechanism in a novel couple of lnc-NEAT1 and miR-23a-3p, as well as the function role of KLF3 in the regulation of melanoma cancer. METHODS 28 groups of tumor tissues and normal tissues were obtained from melanoma cancer patients. We performed a series of experiments and analysis, including RT-qPCR, western blots, CCK-8 assay, and migration/invasion assay, to investigate the expressions of NEAT1, miR-23a-5p and KLF3, cell viabilities, and tumor growth in vivo. RESULTS In this study, we observed that the expression of NEAT1 was significantly upregulated in melanoma tissues, which remarkedly promoted the cells' proliferation, cell migration, and invasion in melanoma cell lines. Besides, NEAT1 could directly bind to miR-23a-3p, which was found to reverse the effect caused by NEAT1. MiR-23a-3p was discovered to bind to 3'UTR of KLF3, which reduced KLF3 expression. In addition, the overexpression of KLF3 could lower the effects of miR-23a-3p caused on melanoma cancer cell development. CONCLUSION Our results demonstrated that NEAT1 could sponge miR-23a-3p and functions via the expression of KLF3. This axis of NEAT1/miR-23a-5p/KLF3 could together regulate melanoma cancer proliferation. This might provide a new therapeutic strategy for melanoma skin cancer.Trial registration HBTCM38574839, registered 12 October 2012.
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Affiliation(s)
- Fei Ding
- Department of Dermatology, Zhoukou Central Hospital, Zhoukou, 466000 Henan China
| | - Jindong Lai
- Department of Dermatology, Suining First People’s Hospital, Suining, 629000 Sichuan China
| | - Yang Gao
- Department of Dermatology, Affiliated Hospital of Hebei Academy of Traditional Chinese Medicine, Shijiazhuang, 050000 Hebei China
| | - Genhui Wang
- Department of Dermatology, Hebei Provincial Hospital of Traditional Chinese Medicine, Shijiazhuang, 050000 Hebei China
| | - Jingwen Shang
- Department of Dermatology, Zhoukou Central Hospital, Zhoukou, 466000 Henan China
| | - Daojun Zhang
- Department of Dermatology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 400040 China
| | - Shumao Zheng
- Department of Dermatology, Hebei Academy of Chinese Medicine, Shijiazhuang, 050000 Hebei China
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Xia J, Zeng W, Xia Y, Wang B, Xu D, Liu D, Kong MG, Dong Y. Cold atmospheric plasma induces apoptosis of melanoma cells via Sestrin2-mediated nitric oxide synthase signaling. JOURNAL OF BIOPHOTONICS 2019; 12:e201800046. [PMID: 29931745 DOI: 10.1002/jbio.201800046] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 06/20/2018] [Indexed: 06/08/2023]
Abstract
Cold atmospheric plasma (CAP) represents a promising therapy for selectively cancer killing. However, the mechanism of CAP-induced cancer cell death remains unclear. Here, we identified the tumor necrosis factor-family members, especially Fas, and overloaded intracellular nitric oxide participated in CAP induced apoptosis in A375 and A875 melanoma cell lines, which was known as extrinsic apoptosis pathway. This progress was mediated by antagonistic protein of reactive oxygen species, Sestrin2. The over expression of Sestrin2 induced by plasma treatment resulted in phosphorylation of p38 mitogen-activated protein kinase (MAPK), followed by increased expression of nitric oxide synthase (iNOS), Fas and Fas ligand. Depletion of Sestrin2 reduced iNOS and Fas expression, which was associated with reduction of plasma-induced apoptosis. In contrast, inhibition of iNOS activity and phosphorylation of p38 did not alter Sestrin2 expression in plasma-treated melanoma cells. Taken together, cold atmospheric plasma increases Sestrin2 expression and further activates downstream iNOS, Fas and p38 MAPK signaling to induce apoptosis of melanoma cell lines. These findings suggest a previously unrecognized mechanism in melanoma cells response to cold atmospheric plasma therapy.
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Affiliation(s)
- Jun Xia
- 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
| | - Yumin Xia
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Bingchuan Wang
- Center of Plasma Biomedicine, State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, China
| | - Dehui Xu
- Center of Plasma Biomedicine, State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, China
| | - Dingxin Liu
- Center of Plasma Biomedicine, State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, China
| | - Michael G Kong
- Center of Plasma Biomedicine, State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, China
| | - Yingying Dong
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Xiang S, Chen H, Luo X, An B, Wu W, Cao S, Ruan S, Wang Z, Weng L, Zhu H, Liu Q. Isoliquiritigenin suppresses human melanoma growth by targeting miR-301b/LRIG1 signaling. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:184. [PMID: 30081934 PMCID: PMC6091185 DOI: 10.1186/s13046-018-0844-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Accepted: 07/13/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND Isoliquiritigenin (ISL), a natural flavonoid isolated from the root of licorice (Glycyrrhiza uralensis), has shown various pharmacological properties including anti-oxidant, anti-inflammatory and anti-cancer activities. MicroRNAs (miRNAs), a class of small non-coding RNAs, have been reported as post-transcriptional regulators with altered expression levels in melanoma. This study aims to investigate the anti-melanoma effect of ISL and its potential mechanism. METHODS We investigated the effect of ISL on the proliferation and apoptosis of melanoma cell lines with functional assays, such as CCK-8 assay, colony formation assay and flow cytometry. The protein level of apoptosis related genes were measured by western blotting. High-throughput genome sequencing was used for screening differentially expressed miRNAs of melanoma cell lines after the treatment of ISL. We performed functional assays to determine the oncogenic role of miR-301b, the most differentially expressed miRNA, and its target gene leucine rich repeats and immunoglobulin like domains 1 (LRIG1), confirmed by bioinformatic analysis, luciferase reporter assay, western blotting and immunohistochemical assay in melanoma. Immunocompromised mouse models were used to determine the role of miR-301b and its target gene in melanoma tumorigenesis in vivo. The relationship between miR-301b and LRIG1 was further verified in GEO data set and tissue specimens. RESULTS Functional assays indicated that ISL exerted significant growth inhibition and apoptosis induction on melanoma cells. MiR-301b is the most differentially expressed miRNA after the treatment of ISL and significantly downregulated. The suppressive effect of ISL on cell growth is reversed by ectopic expression of miR-301b. Intratumorally administration of miR-301b angomir enhances the inhibitory effect of ISL on tumor growth in vivo. Bioinformatic analysis showed that miR-301b may target LRIG1, miR-301b suppresses the luciferase activity of reporter constructs containing 3'UTR of LRIG1 as well as the expression level of LRIG1. And the anti-cancer effect of ISL is mitigated when LRIG1 is silenced in vivo and in vitro. Analysis of the melanoma samples obtained from patients shows that LRIG1 is negatively correlated with miR-301b. CONCLUSIONS ISL may inhibit the proliferation of melanoma cells by suppressing miR-301b and inducing its target LRIG1.
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Affiliation(s)
- Shijian Xiang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Huoji Chen
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Xiaojun Luo
- Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510315, China
| | - Baichao An
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Wenfeng Wu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Siwei Cao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Shifa Ruan
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Zhuxian Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Lidong Weng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Hongxia Zhu
- Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510315, China.
| | - Qiang Liu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China.
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13
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Ahmed F, Haass NK. Microenvironment-Driven Dynamic Heterogeneity and Phenotypic Plasticity as a Mechanism of Melanoma Therapy Resistance. Front Oncol 2018; 8:173. [PMID: 29881716 PMCID: PMC5976798 DOI: 10.3389/fonc.2018.00173] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 05/03/2018] [Indexed: 12/11/2022] Open
Abstract
Drug resistance constitutes a major challenge in designing melanoma therapies. Microenvironment-driven tumor heterogeneity and plasticity play a key role in this phenomenon. Melanoma is highly heterogeneous with diverse genomic alterations and expression of different biological markers. In addition, melanoma cells are highly plastic and capable of adapting quickly to changing microenvironmental conditions. These contribute to variations in therapy response and durability between individual melanoma patients. In response to changing microenvironmental conditions, like hypoxia and nutrient starvation, proliferative melanoma cells can switch to an invasive slow-cycling state. Cells in this state are more aggressive and metastatic, and show increased intrinsic drug resistance. During continuous treatment, slow-cycling cells are enriched within the tumor and give rise to a new proliferative subpopulation with increased drug resistance, by exerting their stem cell-like behavior and phenotypic plasticity. In melanoma, the proliferative and invasive states are defined by high and low microphthalmia-associated transcription factor (MITF) expression, respectively. It has been observed that in MITFhigh melanomas, inhibition of MITF increases the efficacy of targeted therapies and delays the acquisition of drug resistance. Contrarily, MITF is downregulated in melanomas with acquired drug resistance. According to the phenotype switching theory, the gene expression profile of the MITFlow state is predominantly regulated by WNT5A, AXL, and NF-κB signaling. Thus, different combinations of therapies should be effective in treating different phases of melanoma, such as the combination of targeted therapies with inhibitors of MITF expression during the initial treatment phase, but with inhibitors of WNT5A/AXL/NF-κB signaling during relapse.
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Affiliation(s)
- Farzana Ahmed
- The University of Queensland Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Nikolas K. Haass
- The University of Queensland Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, QLD, Australia
- Discipline of Dermatology, University of Sydney, Sydney, NSW, Australia
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14
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Ott CA, Linck L, Kremmer E, Meister G, Bosserhoff AK. Induction of exportin-5 expression during melanoma development supports the cellular behavior of human malignant melanoma cells. Oncotarget 2018; 7:62292-62304. [PMID: 27556702 PMCID: PMC5308727 DOI: 10.18632/oncotarget.11410] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 08/09/2016] [Indexed: 01/08/2023] Open
Abstract
Regulation of gene expression via microRNAs is known to promote the development of many types of cancer. In melanoma, miRNAs are globally up-regulated, and alterations of miRNA-processing enzymes have already been identified. However, mis-regulation of miRNA transport has not been analyzed in melanoma yet. We hypothesized that alterations in miRNA transport disrupt miRNA processing. Therefore, we investigated whether the pre-miRNA transporter Exportin-5 (XPO5) was involved in altered miRNA maturation and functional consequences in melanoma. We found that XPO5 is significantly over-expressed in melanoma compared with melanocytes. We showed enhanced XPO5 mRNA stability in melanoma cell lines which likely contributes to up-regulated XPO5 protein expression. In addition, we identified MEK signaling as a regulator of XPO5 expression in melanoma. Knockdown of XPO5 expression in melanoma cells led to decreased mature miRNA levels and drastic functional changes. Our data revealed that aberrant XPO5 expression is important for the maturation of miRNAs and the malignant behavior of melanoma cells. We suggest that the high abundance of XPO5 in melanoma leads to enhanced survival, proliferation and metastasis and thereby supports the aggressiveness of melanoma.
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Affiliation(s)
- Corinna Anna Ott
- Institute of Biochemistry, Emil-Fischer-Zentrum, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Lisa Linck
- Institute of Biochemistry, Emil-Fischer-Zentrum, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Elisabeth Kremmer
- Institute of Molecular Immunology, Helmholtz Center Munich, German Research Center for Environmental Health (GmbH), 81377 Munich, Germany
| | - Gunter Meister
- Biochemistry Center Regensburg (BZR), Laboratory for RNA Biology, University of Regensburg, 093053 Regensburg, Germany
| | - Anja Katrin Bosserhoff
- Institute of Biochemistry, Emil-Fischer-Zentrum, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany.,Comprehensive Cancer Center Erlangen-EMN, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
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15
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miR-137 inhibits glutamine catabolism and growth of malignant melanoma by targeting glutaminase. Biochem Biophys Res Commun 2018; 495:46-52. [DOI: 10.1016/j.bbrc.2017.10.152] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 10/28/2017] [Indexed: 12/12/2022]
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16
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Genome-wide RNA-Seq identifiesFas/FasL-mediated tumoricidal activity of embryonic stem cells. Int J Cancer 2017; 142:1829-1841. [DOI: 10.1002/ijc.31201] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 11/14/2017] [Accepted: 11/30/2017] [Indexed: 11/07/2022]
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17
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Luan W, Qian Y, Ni X, Chanda TK, Xia Y, Wang J, Yan Y, Xu B. Polygonatum odoratum lectin promotes BECN1 expression and induces autophagy in malignant melanoma by regulation of miR1290. Onco Targets Ther 2017; 10:4569-4577. [PMID: 29066911 PMCID: PMC5604572 DOI: 10.2147/ott.s147406] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Autophagy is not only a survival response to growth-factor or nutrient deprivation but also an important mechanism for tumor-cell suicide, including melanoma. Polygonatum odoratum lectin (POL) displays apoptosis- and autophagy-inducing effects in many human tumors. POL also inhibits the growth of melanoma cells, but its role and molecular mechanism in malignant melanoma remain unclear. In this study, we found that POL suppressed proliferation and induced autophagy in melanoma cells. miR1290 was upregulated and inhibited autophagy in melanoma. BECN1 is the direct functional effector of miR1290. Furthermore, we found that POL promoted BECN1 expression though inhibition of miR1290, thus inducing melanoma-cell autophagy. This finding elucidates a new role and mechanism for POL in melanoma, and provides a potential antineoplastic agent for melanoma treatment.
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Affiliation(s)
| | | | - Xin Ni
- Department of Gastroenterology
| | | | - Yun Xia
- Department of Plastic Surgery
| | | | - Yulan Yan
- Department of Respiratory Medicine, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
| | - Bin Xu
- Department of Plastic Surgery
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18
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Luan W, Li R, Liu L, Ni X, Shi Y, Xia Y, Wang J, Lu F, Xu B. Long non-coding RNA HOTAIR acts as a competing endogenous RNA to promote malignant melanoma progression by sponging miR-152-3p. Oncotarget 2017; 8:85401-85414. [PMID: 29156728 PMCID: PMC5689618 DOI: 10.18632/oncotarget.19910] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Accepted: 07/12/2017] [Indexed: 12/16/2022] Open
Abstract
HOX transcript antisense RNA (HOTAIR) is associated with the growth and metastasis of many human tumors, but its biological roles in malignant melanoma remain unclear. In this study, we show that HOTAIR is overexpressed in melanoma tissues and cells, especially in metastatic melanoma. High HOTAIR levels correlate with poor prognosis in melanoma patients. We also determined that HOTAIR functions as a competing endogenous RNA (ceRNA) for miR-152-3p. miR-152-3p was decreased and acted as a tumor suppressor in melanoma, and c-MET was the functional target of miR-152-3p. Furthermore, HOTAIR promotes the growth and metastasis of melanoma cells by competitively binding miR-152-3p, which functionally liberates c-MET mRNA and results in the activation of the downstream PI3k/Akt/mTOR signaling pathway. We determined that HOTAIR acts as a ceRNA to promote malignant melanoma progression by sponging miR-152-3p. This finding elucidates a new mechanism for HOTAIR in melanoma development and provides a potential therapeutic target for melanoma patients.
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Affiliation(s)
- Wenkang Luan
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
| | - Rubo Li
- Department of Neurosurgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
| | - Liang Liu
- Department of Neurosurgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Xin Ni
- Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yan Shi
- Department of Neurosurgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Yun Xia
- 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
| | - Feng Lu
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
| | - Bin Xu
- Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
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19
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Haass NK, Gabrielli B. Cell cycle-tailored targeting of metastatic melanoma: Challenges and opportunities. Exp Dermatol 2017; 26:649-655. [PMID: 28109167 DOI: 10.1111/exd.13303] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2017] [Indexed: 12/21/2022]
Abstract
The advent of targeted therapies of metastatic melanoma, such as MAPK pathway inhibitors and immune checkpoint antagonists, has turned dermato-oncology from the "bad guy" to the "poster child" in oncology. Current targeted therapies are effective, although here is a clear need to develop combination therapies to delay the onset of resistance. Many antimelanoma drugs impact on the cell cycle but are also dependent on certain cell cycle phases resulting in cell cycle phase-specific drug insensitivity. Here, we raise the question: Have combination trials been abandoned prematurely as ineffective possibly only because drug scheduling was not optimized? Firstly, if both drugs of a combination hit targets in the same melanoma cell, cell cycle-mediated drug insensitivity should be taken into account when planning combination therapies, timing of dosing schedules and choice of drug therapies in solid tumors. Secondly, if the combination is designed to target different tumor cell subpopulations of a heterogeneous tumor, one drug effective in a particular subpopulation should not negatively impact on the other drug targeting another subpopulation. In addition to the role of cell cycle stage and progression on standard chemotherapeutics and targeted drugs, we discuss the utilization of cell cycle checkpoint control defects to enhance chemotherapeutic responses or as targets themselves. We propose that cell cycle-tailored targeting of metastatic melanoma could further improve therapy outcomes and that our real-time cell cycle imaging 3D melanoma spheroid model could be utilized as a tool to measure and design drug scheduling approaches.
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Affiliation(s)
- Nikolas K Haass
- The University of Queensland Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, Qld, Australia.,The Centenary Institute, Newtown, NSW, Australia.,Discipline of Dermatology, University of Sydney, Sydney, NSW, Australia
| | - Brian Gabrielli
- Mater Medical Research Institute, Translational Research Institute, The University of Queensland, Brisbane, Qld, Australia
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20
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Luan W, Qian Y, Ni X, Bu X, Xia Y, Wang J, Ruan H, Ma S, Xu B. miR-204-5p acts as a tumor suppressor by targeting matrix metalloproteinases-9 and B-cell lymphoma-2 in malignant melanoma. Onco Targets Ther 2017; 10:1237-1246. [PMID: 28280358 PMCID: PMC5338948 DOI: 10.2147/ott.s128819] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
An increasing number of microRNAs have been found to be involved in tumorigenesis, including melanoma tumorigenesis. miR-204-5p is down-regulated and functions as a tumor suppressor in many human malignant tumors. miR-204-5p expression is also decreased in melanoma tissues, but its biological roles and molecular mechanisms in malignant melanoma remain unclear. In this study, the aberrant down-regulation of miR-204-5p was detected in melanoma, especially in metastatic melanoma. miR-204-5p also served as a protective factor for the prognosis of melanoma patients. We determined that miR-204-5p suppresses cell proliferation, migration and invasion, and promotes cell apoptosis in melanoma. Matrix metalloproteinases-9 and B-cell lymphoma-2 are the functional targets of miR-204-5p, through which it plays an important biological role in malignant melanoma. The effect of miR-204-5p on malignant melanoma is verified using a xenograft model. We also determined that miR-204-5p increases 5-fluorouracil and cisplatin (DDP) chemosensitivity in malignant melanoma cells. This finding elucidates new functions and mechanisms for miR-204-5p in melanoma development, and provides potential therapeutic targets for the treatment of melanoma.
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Affiliation(s)
| | | | - Xin Ni
- Department of Gastroenterology
| | - Xuefeng Bu
- Department of General Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China
| | - Yun Xia
- Department of Plastic Surgery
| | | | | | | | - Bin Xu
- Department of Plastic Surgery
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21
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Multimodal tumor suppression by miR-302 cluster in melanoma and colon cancer. Int J Biochem Cell Biol 2016; 81:121-132. [PMID: 27840154 DOI: 10.1016/j.biocel.2016.11.004] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Revised: 11/04/2016] [Accepted: 11/09/2016] [Indexed: 12/14/2022]
Abstract
The miR-302 family is one of the main groups of microRNAs, which are highly expressed in embryonic stem cells (ESCs). Previous reports have indicated that miR-302 can reduce the proliferation rate of some cancer cells while compromising on their oncogenic potential at the same time without having the same effect on normal somatic cells. In this study we aimed to further investigate the role of the miR-302 cluster in multiple cancer signaling pathways using A-375 melanoma and HT-29 colorectal cancer cells. Our results indicate that the miR-302 cluster has the potential to modulate oncogenic properties of cancer cells through inhibition of proliferation, angiogenesis and invasion, and through reversal of the epithelial-to-mesenchymal transition (EMT) in these cells. We showed for the first time that overexpression of miR-302 cluster sensitized A-375 and HT-29 cells to hypoxia and also to the selective BRAF inhibitor vemurafenib. MiR-302 is a pleiotropically acting miRNA family which may have significant implications in controlling cancer progression and invasion. It acts through a reprogramming process, which has a global effect on a multitude of cellular pathways and events. We propose that reprogramming of cancer cells by epigenetic factors, especially miRNAs might provide an efficient tool for controlling cancer and especially for those with more invasive nature.
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22
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Mukherjee N, Schwan JV, Fujita M, Norris DA, Shellman YG. Alternative Treatments For Melanoma: Targeting BCL-2 Family Members to De-Bulk and Kill Cancer Stem Cells. J Invest Dermatol 2015; 135:2155-2161. [PMID: 25947358 PMCID: PMC4537369 DOI: 10.1038/jid.2015.145] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2014] [Revised: 03/19/2015] [Accepted: 03/24/2015] [Indexed: 12/18/2022]
Abstract
For the first time new treatments in melanoma have produced significant responses in advanced diseases, but 30-90% of melanoma patients do not respond or eventually relapse after the initial response to the current treatments. The resistance of these melanomas is likely due to tumor heterogeneity, which may be explained by models such as the stochastic, hierarchical, and phenotype-switching models. This review will discuss the recent advancements in targeting BCL-2 family members for cancer treatments, and how this approach can be applied as an alternative option to combat melanoma, and overcome melanoma relapse or resistance in current treatment regimens.
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Affiliation(s)
- Nabanita Mukherjee
- Department of Dermatology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Josianna V Schwan
- Department of Dermatology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Mayumi Fujita
- Department of Dermatology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA; Department of Veterans Affairs Medical Center, Dermatology Section, Denver, Colorado, USA
| | - David A Norris
- Department of Dermatology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA; Department of Veterans Affairs Medical Center, Dermatology Section, Denver, Colorado, USA
| | - Yiqun G Shellman
- Department of Dermatology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA.
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23
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Haass NK. Dynamic tumor heterogeneity in melanoma therapy: how do we address this in a novel model system? Melanoma Manag 2015; 2:93-95. [PMID: 30190835 PMCID: PMC6094608 DOI: 10.2217/mmt.15.1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Affiliation(s)
- Nikolas K Haass
- *The University of Queensland Diamantina Institute & Translational Research Institute, The University of Queensland, Brisbane, Queensland, Australia; The Centenary Institute, Newtown, New South Wales, Australia; Discipline of Dermatology, University of Sydney, New South Wales, Australia;
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24
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Hill DS, Lovat PE, Haass NK. Induction of endoplasmic reticulum stress as a strategy for melanoma therapy: is there a future? Melanoma Manag 2014; 1:127-137. [PMID: 30190818 DOI: 10.2217/mmt.14.16] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Melanoma cells employ several survival strategies, including induction of the unfolded protein response, which mediates resistance to endoplasmic reticulum (ER) stress-induced apoptosis. Activation of oncogenes specifically suppresses ER stress-induced apoptosis, while upregulation of ER chaperone proteins and antiapoptotic BCL-2 family members increases the protein folding capacity of the cell and the threshold for the induction of ER stress-induced apoptosis, respectively. Modulation of unfolded protein response signaling, inhibition of the protein folding machinery and/or active induction of ER stress may thus represent potential strategies for the therapeutic management of melanoma. To this aim, the present article focuses on the current understanding of how melanoma cells avoid or overcome ER stress-induced apoptosis, as well as therapeutic strategies through which to harness ER stress for therapeutic benefit.
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Affiliation(s)
- David S Hill
- The Centenary Institute, Newtown, New South Wales, Australia.,Dermatological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK.,The Centenary Institute, Newtown, New South Wales, Australia.,Dermatological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Penny E Lovat
- Dermatological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK.,Dermatological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Nikolas K Haass
- The Centenary Institute, Newtown, New South Wales, Australia.,Discipline of Dermatology, University of Sydney, Camperdown, New South Wales, Australia.,The University of Queensland, The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane, Queensland 4102, Australia.,The Centenary Institute, Newtown, New South Wales, Australia.,Discipline of Dermatology, University of Sydney, Camperdown, New South Wales, Australia.,The University of Queensland, The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane, Queensland 4102, Australia
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25
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Combining a BCL2 inhibitor with the retinoid derivative fenretinide targets melanoma cells including melanoma initiating cells. J Invest Dermatol 2014; 135:842-850. [PMID: 25350317 PMCID: PMC4323853 DOI: 10.1038/jid.2014.464] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 10/03/2014] [Accepted: 10/06/2014] [Indexed: 12/24/2022]
Abstract
Investigations from multiple laboratories support the existence of melanoma initiating cells (MICs) that potentially contribute to melanoma's drug resistance. ABT-737, a small molecule BCL-2/BCL-XL/BCL-W inhibitor, is promising in cancer treatments, but not very effective against melanoma, with the anti-apoptotic protein MCL-1 as the main contributor to resistance. The synthetic retinoid fenretinide (4-HPR) has shown promise for treating breast cancers. Here, we tested whether the combination of ABT-737 with 4-HPR is effective in killing both the bulk of melanoma cells and MICs. The combination synergistically decreased cell viability and caused cell death in multiple melanoma cells lines (carrying either BRAF or NRAS mutations), but not in normal melanocytes. The combination increased the NOXA expression and caspase-dependent MCL-1 degradation. Knocking-down NOXA protected cells from combination-induced apoptosis, implicating the role of NOXA in the drug synergy. The combination treatment also disrupted primary spheres (a functional assay for MICs) and decreased the percentage of ALDHhigh cells (a marker of MICs) in melanoma cell lines. Moreover, the combination inhibited the self-renewal capacity of MICs, measured by secondary sphere forming assays. In vivo, the combination inhibited tumor growth. Thus, this combination is a promising treatment strategy for melanoma, regardless of mutation status of BRAF or NRAS.
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26
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Haass NK, Beaumont KA, Hill DS, Anfosso A, Mrass P, Munoz MA, Kinjyo I, Weninger W. Real-time cell cycle imaging during melanoma growth, invasion, and drug response. Pigment Cell Melanoma Res 2014; 27:764-76. [PMID: 24902993 DOI: 10.1111/pcmr.12274] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Accepted: 05/20/2014] [Indexed: 12/16/2022]
Abstract
Solid cancers are composed of heterogeneous zones containing proliferating and quiescent cells. Despite considerable insight into the molecular mechanisms underlying aberrant cell cycle progression, there is limited understanding of the relationship between the cell cycle on the one side, and melanoma cell motility, invasion, and drug sensitivity on the other side. Utilizing the fluorescent ubiquitination-based cell cycle indicator (FUCCI) to longitudinally monitor proliferation and migration of melanoma cells in 3D culture and in vivo, we found that invading melanoma cells cycle actively, while G1-arrested cells showed decreased invasion. Melanoma cells in a hypoxic environment or treated with mitogen-activated protein kinase pathway inhibitors remained G1-arrested for extended periods of time, with proliferation and invasion resuming after re-exposure to a more favorable environment. We challenge the idea that the invasive and proliferative capacity of melanoma cells are mutually exclusive and further demonstrate that a reversibly G1-arrested subpopulation survives in the presence of targeted therapies.
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Affiliation(s)
- Nikolas K Haass
- The Centenary Institute, Newtown, NSW, Australia; Discipline of Dermatology, University of Sydney, Sydney, NSW, Australia; Department of Dermatology, Royal Prince Alfred Hospital, Camperdown, NSW, Australia; The University of Queensland Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, Qld, Australia
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