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Lazăr AD, Dinescu S, Costache M. The Non-Coding Landscape of Cutaneous Malignant Melanoma: A Possible Route to Efficient Targeted Therapy. Cancers (Basel) 2020; 12:cancers12113378. [PMID: 33203119 PMCID: PMC7696690 DOI: 10.3390/cancers12113378] [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: 10/21/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 02/06/2023] Open
Abstract
Considered to be highly lethal if not diagnosed in early stages, cutaneous malignant melanoma is among the most aggressive and treatment-resistant human cancers, and its incidence continues to rise, largely due to ultraviolet radiation exposure, which is the main carcinogenic factor. Over the years, researchers have started to unveil the molecular mechanisms by which malignant melanoma can be triggered and sustained, in order to establish specific, reliable biomarkers that could aid the prognosis and diagnosis of this fatal disease, and serve as targets for development of novel efficient therapies. The high mutational burden and heterogeneous nature of melanoma shifted the main focus from the genetic landscape to epigenetic and epitranscriptomic modifications, aiming at elucidating the role of non-coding RNA molecules in the fine tuning of melanoma progression. Here we review the contribution of microRNAs and lncRNAs to melanoma invasion, metastasis and acquired drug resistance, highlighting their potential for clinical applications as biomarkers and therapeutic targets.
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Affiliation(s)
- Andreea D. Lazăr
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania; (A.D.L.); (M.C.)
| | - Sorina Dinescu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania; (A.D.L.); (M.C.)
- Research Institute of the University of Bucharest, 050663 Bucharest, Romania
- Correspondence:
| | - Marieta Costache
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania; (A.D.L.); (M.C.)
- Research Institute of the University of Bucharest, 050663 Bucharest, Romania
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Late Metastatic Melanoma after 25 Years: A Case Report and a Brief Literature Review. Case Rep Surg 2020; 2020:2938236. [PMID: 33178477 PMCID: PMC7647769 DOI: 10.1155/2020/2938236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 10/03/2020] [Accepted: 10/19/2020] [Indexed: 12/24/2022] Open
Abstract
The incidence of cutaneous malignant melanoma has shown a drastic increase over recent decades, and approximately 70% of newly diagnosed melanoma are tumors with a Breslow thickness less or equal to 1 mm. In the literature, there are well-documented rare cases of late metastasis of thin melanoma, and given their growing incidence, it is expected in the future to see more cases of late recurrence. We present a case report of a metastatic cutaneous melanoma 25 years from diagnosis and a review of the literature. A 61-year-old female patient presented with a newly discovered asymptomatic nodule on her thigh. Her relevant past medical history included a completely excided lesion with Breslow 1.4 mm thickness in 1989 for which she was followed up according to the guidelines and subsequently declared cured after 10 years of surveillance. Fine-needle aspiration and cytological analysis of the lesion proved to be a subcutaneous localization of malignant melanoma. The lesion was completely excised, and the patient has remained disease free since her surgery. The aim of this case report is to emphasize that late metastasis remains uncommon but a definitive cure from melanoma cannot always be considered a disease-free interval of 10 years. Physicians should always be aware of previous melanoma diagnosis with newly discovered suspicious lesions. Better patient education could improve the detection of recurrence and secondary melanomas without any need for more frequent follow-up visits and a prolonged follow-up time.
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Pardella E, Pranzini E, Leo A, Taddei ML, Paoli P, Raugei G. Oncogenic Tyrosine Phosphatases: Novel Therapeutic Targets for Melanoma Treatment. Cancers (Basel) 2020; 12:E2799. [PMID: 33003469 PMCID: PMC7599540 DOI: 10.3390/cancers12102799] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/24/2020] [Accepted: 09/28/2020] [Indexed: 12/12/2022] Open
Abstract
Despite a large number of therapeutic options available, malignant melanoma remains a highly fatal disease, especially in its metastatic forms. The oncogenic role of protein tyrosine phosphatases (PTPs) is becoming increasingly clear, paving the way for novel antitumor treatments based on their inhibition. In this review, we present the oncogenic PTPs contributing to melanoma progression and we provide, where available, a description of new inhibitory strategies designed against these enzymes and possibly useful in melanoma treatment. Considering the relevance of the immune infiltrate in supporting melanoma progression, we also focus on the role of PTPs in modulating immune cell activity, identifying interesting therapeutic options that may support the currently applied immunomodulating approaches. Collectively, this information highlights the value of going further in the development of new strategies targeting oncogenic PTPs to improve the efficacy of melanoma treatment.
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Affiliation(s)
- Elisa Pardella
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio” University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (E.P.); (E.P.); (A.L.); (G.R.)
| | - Erica Pranzini
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio” University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (E.P.); (E.P.); (A.L.); (G.R.)
| | - Angela Leo
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio” University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (E.P.); (E.P.); (A.L.); (G.R.)
| | - Maria Letizia Taddei
- Department of Experimental and Clinical Medicine, University of Florence, Viale Morgagni 50, 50134 Florence, Italy;
| | - Paolo Paoli
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio” University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (E.P.); (E.P.); (A.L.); (G.R.)
| | - Giovanni Raugei
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio” University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (E.P.); (E.P.); (A.L.); (G.R.)
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Scarfì F, Patrizi A, Veronesi G, Lambertini M, Tartari F, Mussi M, Melotti B, Dika E. The role of topical imiquimod in melanoma cutaneous metastases: A critical review of the literature. Dermatol Ther 2020; 33:e14165. [PMID: 32772481 DOI: 10.1111/dth.14165] [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: 05/04/2020] [Revised: 07/29/2020] [Accepted: 07/31/2020] [Indexed: 02/06/2023]
Abstract
Despite of the emerging new systemic and local oncologic treatments (immunotherapy and checkpoint inhibitors, oncolytic viral treatments and injected immunostimulants) the management of skin melanoma metastasis can be still challenging. The main aim of this review was to assess the efficacy and the role of imiquimod in local metastatic melanoma disease. An extensive literature review was performed from September 2000 to March 2020 using PubMed, MEDLINE, Embase, and Cochrane Library databases. Selected articles regarded topical imiquimod, its mode of action as an antitumoral agent and its applications in melanoma metastases treatment. We analyzed a total of 18 published article of clinical cases and small case series and five studies: two retrospective large case series, two Phase I and II clinical trials and one cohort non randomized study. Generally, the treatment is safe and well tolerated. Imiquimod lead to an unstable locoregional control. The use of topical imiquimod for the treatment of MM cutaneous metastases should be considered in selected cases and in palliative settings.
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Affiliation(s)
- Federica Scarfì
- Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Annalisa Patrizi
- Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Giulia Veronesi
- Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Martina Lambertini
- Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Federico Tartari
- Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Martina Mussi
- Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Barbara Melotti
- Oncology Unit, Department of Diagnostic Medicine and Prevention, Sant'Orsola Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Emi Dika
- Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
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Circ-GLI1 promotes metastasis in melanoma through interacting with p70S6K2 to activate Hedgehog/GLI1 and Wnt/β-catenin pathways and upregulate Cyr61. Cell Death Dis 2020; 11:596. [PMID: 32732916 PMCID: PMC7393080 DOI: 10.1038/s41419-020-02799-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 07/14/2020] [Accepted: 07/15/2020] [Indexed: 02/06/2023]
Abstract
Circular RNAs (circRNAs) are emerging regulators in the development of human cancers. However, the role of circRNAs in melanoma is poorly understood. Microarray analysis and qRT-PCR was applied to screen out circRNAs that were differentially expressed in melanoma cells compared to normal cells. Currently, we first proved that inhibition of CYR61, an angiogenesis factor with controversial functions in melanoma, restrained cell migration, invasion and angiogenesis in melanoma. Thereafter, a novel circRNA hsa_circ_0027247 derived from GLI1 (circ-GLI1) was identified to positively modulate CYR61 expression in melanoma cell lines. Besides, silencing circ-GLI1 hindered melanoma cell metastasis as well. Interestingly, we unveiled that circ-GLI1 enhanced CYR61 transcription by an indirect manner. Meanwhile, circ-GLI1 activated Hedgehog/GLI1 and Wnt/β-catenin pathways by affecting the degradation of GLI1 and β-catenin. Moreover, we found that circ-GLI1 interacted with p70S6K2 to induce GSK3β phosphorylation at Ser9, and therefore blocked the binding of GSK3β with GLI1 and β-catenin so as to elevate their protein expression. Of note, CYR61 was transcriptionally activated by MYC, a well-recognized downstream target of both GLI1 and β-catenin. In conclusion, circ-GLI1 exacerbates the metastasis and angiogenesis of melanoma by upregulating Cyr61 via p70S6K2-dependent activation of Hedgehog/GLI1 and Wnt/β-catenin pathways.
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Yaglova NV, Obernikhin SS, Yaglov VV, Nazimova SV. Time-dependent effect of deuterium depletion on tumor growth and metastasis. RUSSIAN OPEN MEDICAL JOURNAL 2020. [DOI: 10.15275/rusomj.2020.0210] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Objective ― impact of different time regimens of deuterium depletion on progression of syngeneic grafted tumor in mice was investigated. Material and Methods ― Experiment was performed on 64 C57Bl/6 mice divided into two groups with substitution of regular water for deuterium depleted water: 30 days prior to tumor cell inoculation and sinse the 1st day of inoculation. Mice taking destilled mineralized water were considered as a control group. Half of the mice were injected melanoma B16 cells subcutaneously for assessment of survival rate and tumor growth inhibition index. The other mice were intravenously injected melanoma cells for estimation of lung hematogenous metastasis. Results ― Deuterium depletion began at the day of tumor inoculation did not change the parameters of survival rate (38.83±7.69 days vs. 41.33±6.22days in the control). Tumor growth inhibition was found only at initial stage of tumor progression. Number of melanoma lung metastasis did not differ from the control values (32.30±6.12 and 28.33±5.38. consequently). The group of mice with preliminary consumption of deuterium depleted water demonstrated significantly higher survival rate (70.10±16.20 days), tumor inhibition index, and attenuation of lung metastasis (6.0±1.20). Conclusion ― Our findings demonstrate that deuterium depletion exerts antitumor effect by both inhibition of tumor growth and metastasis, but development of the effect is time-dependent.
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57
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Chen Y. Advances in fluorescent probes for detection and imaging of endogenous tyrosinase activity. Anal Biochem 2020; 594:113614. [DOI: 10.1016/j.ab.2020.113614] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 01/31/2020] [Accepted: 02/03/2020] [Indexed: 12/20/2022]
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WDR74 modulates melanoma tumorigenesis and metastasis through the RPL5-MDM2-p53 pathway. Oncogene 2020; 39:2741-2755. [PMID: 32005977 DOI: 10.1038/s41388-020-1179-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 01/06/2020] [Accepted: 01/21/2020] [Indexed: 11/08/2022]
Abstract
The key molecules and underlying mechanisms of melanoma metastasis remain poorly understood. Using isobaric tag for relative and absolute quantitation (iTRAQ) proteomic screening, probing of patients' samples, functional verification, and mechanistic validation, we identified the important role of the WD repeat-containing protein 74 (WDR74) in melanoma progression and metastasis. Through gain- and loss-of-function approaches, WDR74 was found to promote cell proliferation, apoptosis resistance, and aggressive behavior in vitro. Moreover, WDR74 contributed to melanoma growth and metastasis in vivo. Mechanistically, WDR74 modulates RPL5 protein levels and consequently regulates MDM2 and insulates the ubiquitination degradation of p53 by MDM2. Our study is the first to reveal the oncogenic role of WDR74 in melanoma progression and the regulatory effect of WDR74 on the RPL5-MDM2-p53 pathway. Collectively, WDR74 can serve as a candidate target for the prevention and treatment of melanoma in the clinic.
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Deng W, Fernandez A, McLaughlin SL, Klinke DJ. Cell Communication Network Factor 4 (CCN4/WISP1) Shifts Melanoma Cells from a Fragile Proliferative State to a Resilient Metastatic State. Cell Mol Bioeng 2019; 13:45-60. [PMID: 32030107 DOI: 10.1007/s12195-019-00602-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 10/09/2019] [Indexed: 12/25/2022] Open
Abstract
Introduction Cellular communication network factor 4 (CCN4/WISP1) is a secreted matricellular protein that stimulates metastasis in multiple malignancies but has an unclear impact on phenotypic changes in melanoma. Recent data using cells edited via a double-nickase CRISPR/Cas9 approach suggest that CCN4/WISP1 stimulates invasion and metastasis of melanoma cells. While these data also suggest that loss of CCN4/WISP1 increases cell proliferative, the CRISPR approach used may be an alternative explanation rather than the loss of gene function. Methods To test whether CCN4/WISP1 also influences the proliferative phenotype of melanoma cells, we used mouse melanoma models and knocked out Ccn4 using a homology-directed repair CRISPR/Cas9 system to generate pools of Ccn4-knockout cells. The resulting edited cell pools were compared to parental cell lines using an ensemble of in vitro and in vivo assays. Results In vitro assays using knockout pools supported previous findings that CCN4/WISP1 promoted an epithelial-mesenchymal-like transition in melanoma cells and stimulated invasion and metastasis. While Ccn4 knockout also enhanced cell growth in optimal 2D culture conditions, the knockout suppressed certain cell survival signaling pathways and rendered cells less resistant to stress conditions. Tumor cell growth assays at sub-optimal conditions in vitro, quantitative analysis of tumor growth assays in vivo, and transcriptomics analysis of human melanoma cell lines were also used to quantify changes in phenotype and generalize the findings. Conclusions In addition to stimulating invasion and metastasis of melanoma cells, the results suggested that CCN4/WISP1 repressed cell growth and simultaneously enhanced cell survival.
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Affiliation(s)
- Wentao Deng
- Department of Microbiology, Immunology and Cell Biology, West Virginia University, Morgantown, WV 26505 USA
- WVU Cancer Institute, West Virginia University, Morgantown, WV 26505 USA
| | - Audry Fernandez
- Department of Microbiology, Immunology and Cell Biology, West Virginia University, Morgantown, WV 26505 USA
- WVU Cancer Institute, West Virginia University, Morgantown, WV 26505 USA
| | - Sarah L McLaughlin
- WVU Cancer Institute, West Virginia University, Morgantown, WV 26505 USA
- Animal Models and Imaging Facility, West Virginia University, Morgantown, WV 26505 USA
| | - David J Klinke
- Department of Microbiology, Immunology and Cell Biology, West Virginia University, Morgantown, WV 26505 USA
- WVU Cancer Institute, West Virginia University, Morgantown, WV 26505 USA
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV 26505 USA
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Jiang H, Shin DH, Nguyen TT, Fueyo J, Fan X, Henry V, Carrillo CC, Yi Y, Alonso MM, Collier TL, Yuan Y, Lang FF, Gomez-Manzano C. Localized Treatment with Oncolytic Adenovirus Delta-24-RGDOX Induces Systemic Immunity against Disseminated Subcutaneous and Intracranial Melanomas. Clin Cancer Res 2019; 25:6801-6814. [PMID: 31455679 DOI: 10.1158/1078-0432.ccr-19-0405] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 04/12/2019] [Accepted: 08/21/2019] [Indexed: 12/25/2022]
Abstract
PURPOSE Intratumoral injection of oncolytic adenovirus Delta-24-RGDOX induces efficacious antiglioma immunity in syngeneic glioma mouse models. We hypothesized that localized treatment with the virus is effective against disseminated melanomas. EXPERIMENTAL DESIGN We tested the therapeutic effect of injecting Delta-24-RGDOX into primary subcutaneous (s.c.) B16-Red-FLuc tumors in s.c./s.c. and s.c./intracranial (i.c.) melanoma models in C57BL/6 mice. Tumor growth and in vivo luciferase-expressing ovalbumin-specific (OT-I/Luc) T cells were monitored with bioluminescence imaging. Cells were profiled for surface markers with flow cytometry. RESULTS In both s.c./s.c. and s.c./i.c. models, 3 injections of Delta-24-RGDOX significantly inhibited the growth of both the virus-injected s.c. tumor and untreated distant s.c. and i.c. tumors, thereby prolonging survival. The surviving mice were protected from rechallenging with the same tumor cells. The virus treatment increased the presence of T cells and the frequency of effector T cells in the virus-injected tumor and mediated the same changes in T cells from peripheral blood, spleen, and brain hemispheres with untreated tumor. Moreover, Delta-24-RGDOX decreased the numbers of exhausted T cells and regulatory T cells in the virus-injected and untreated tumors. Consequently, the virus promoted the in situ expansion of tumor-specific T cells and their migration to tumors expressing the target antigen. CONCLUSIONS Localized intratumoral injection of Delta-24-RGDOX induces an in situ antovaccination of the treated melanoma, the effect of which changes the immune landscape of the treated mice, resulting in systemic immunity against disseminated s.c. and i.c. tumors.
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Affiliation(s)
- Hong Jiang
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas.
| | - Dong Ho Shin
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Teresa T Nguyen
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Juan Fueyo
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Xuejun Fan
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Verlene Henry
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Caroline C Carrillo
- Applied Cancer Science Institute, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Yanhua Yi
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | | | - Tiara L Collier
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Ying Yuan
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Frederick F Lang
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
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Damento GM, Pulido JS, Abbott BA, Hodge DO, Dalvin LA. TNF-Alpha Inhibition and Other Immunosuppressants in the Development of Uveal and Cutaneous Melanoma. Mayo Clin Proc 2019; 94:1287-1295. [PMID: 31272570 DOI: 10.1016/j.mayocp.2018.11.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 10/21/2018] [Accepted: 11/28/2018] [Indexed: 12/18/2022]
Abstract
OBJECTIVE To investigate an association between tumor necrosis factors-alpha (TNFα) inhibitors or other immunosuppressants and the development of uveal and cutaneous melanoma. PATIENTS AND METHODS We performed a retrospective incidence and case-control analysis of patients in Olmsted County, MN, who were diagnosed with uveal or cutaneous melanoma from January 1, 2000, to December 31, 2014. Incidence was adjusted by age and gender to the 2010 US white population. Controls were matched by sex and age to cases at time of diagnosis of melanoma. RESULTS There were 1221 cases of melanoma (33 uveal, 1188 cutaneous). Combined incidence of uveal and cutaneous melanoma per 100,000 person-years varied by gender (male > female), age (older > younger), and time period: 2010 to 2014 (77.9, 95% confidence interval [CI], 71.1-84.7) ≈ 2005 to 2009 (78.0, 95% CI, 70.9-85.0) > 2000 to 2004 (42.5, 95% CI, 36.9-48.1, P<.001). TNFa inhibitor prescription was not associated with significantly increased risk of melanoma vs controls (1.06% vs 0.41%, P=.06). Immunosuppressive agents, high-dose corticosteroids, and topical immunosuppressants were associated with melanoma (odds ratio [OR] 1.42 CI, 1.03-1.95, 3.30 CI, 2.44-4.48, and 1.87 CI, 1.06-3.28, respectively). An increased number of patients with uveal melanoma received immune modulating agents vs controls, but this was not statistically significant (P=.36). Autoimmune disease itself was not correlated with melanoma (P=.73). CONCLUSION Exposure to immunosuppressive agents is associated with melanoma. TNFa inhibition and autoimmune disease alone do not significantly increase risk of melanoma. In patients receiving immunosuppressive treatments, physicians should consider monitoring with dilated ophthalmic and full-body skin examinations. Further studies are needed to assess the impact of TNFa inhibitors on development of melanoma, particularly in uveal melanoma.
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Affiliation(s)
- Gena M Damento
- Department of Ophthalmology, California Pacific Medical Center, San Francisco, CA
| | - Jose S Pulido
- Department of Ophthalmology, Mayo Clinic, Rochester, MN; Department of Ophthalmology, Molecular Medicine, Mayo Clinic, Rochester, MN
| | | | - David O Hodge
- Department of Health Sciences Research/Biomedical Statistics and Informatics, Mayo Clinic, Jacksonville, FL
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Carminati L, Pinessi D, Borsotti P, Minoli L, Giavazzi R, D'Incalci M, Belotti D, Taraboletti G. Antimetastatic and antiangiogenic activity of trabectedin in cutaneous melanoma. Carcinogenesis 2019; 40:303-312. [PMID: 30544170 DOI: 10.1093/carcin/bgy177] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 11/06/2018] [Accepted: 12/10/2018] [Indexed: 12/17/2023] Open
Abstract
Trabectedin is a marine-derived antineoplastic drug. Besides targeting the cancer cells, trabectedin has a peculiar activity on the tumor microenvironment with marked effects on the vasculature and the immune response. Because a favorable microenvironment is a key factor in the progression of cutaneous melanoma, we hypothesized that trabectedin might affect the growth and metastasis of this highly aggressive cancer. This study shows that trabectedin inhibited the subcutaneous growth of the murine melanoma B16-BL6 and K1735-M2. In line with its known activities on the environment of other tumor types, it caused a significant reduction of tumor blood vessel density and tumor-associated macrophages. Trabectedin had a significant antimetastatic activity, inhibiting the formation of lung colonies following intravenous injection of B16-BL6 or K1735-M2 cells. The drug was also active in a clinically relevant spontaneous metastasis assay, where it inhibited lung metastasis when administered before (neoadjuvant) or after (adjuvant) surgical removal of the primary tumor. Relevant to its antimetastatic activity, trabectedin inhibited melanoma cell invasiveness in vitro, associated with increased tissue inhibitor of metalloproteinase-1 production and alteration in cell shape and cytoskeleton organization. This study shows that trabectedin affects melanoma growth and metastasis, acting with tumor-dependent mechanisms on both the tumor cells and the vascular and the inflammatory tumor microenvironment.
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Affiliation(s)
- Laura Carminati
- Laboratory of Tumor Microenvironment, Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Denise Pinessi
- Laboratory of Tumor Microenvironment, Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Patrizia Borsotti
- Laboratory of Tumor Microenvironment, Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Lucia Minoli
- Mouse and Animal Pathology Lab, Fondazione Filarete, Milan, Italy
- Department of Veterinary Pathology, University of Milan, Milan, Italy
| | - Raffaella Giavazzi
- Laboratory of Tumor Microenvironment, Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Maurizio D'Incalci
- Laboratory of Cancer Pharmacology, Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
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de Queiroz RM, Oliveira IA, Piva B, Bouchuid Catão F, da Costa Rodrigues B, da Costa Pascoal A, Diaz BL, Todeschini AR, Caarls MB, Dias WB. Hexosamine Biosynthetic Pathway and Glycosylation Regulate Cell Migration in Melanoma Cells. Front Oncol 2019; 9:116. [PMID: 30891426 PMCID: PMC6411693 DOI: 10.3389/fonc.2019.00116] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 02/08/2019] [Indexed: 01/06/2023] Open
Abstract
The Hexosamine Biosynthetic Pathway (HBP) is a branch of glycolysis responsible for the production of a key substrate for protein glycosylation, UDP-GlcNAc. Cancer cells present altered glucose metabolism and aberrant glycosylation, pointing to alterations on HBP. Recently it was demonstrated that HBP influences many aspects of tumor biology, including the development of metastasis. In this work we characterize HBP in melanoma cells and analyze its importance to cellular processes related to the metastatic phenotype. We demonstrate that an increase in HBP flux, as well as increased O-GlcNAcylation, leads to decreased cell motility and migration in melanoma cells. In addition, inhibition of N- and O-glycosylation glycosylation reduces cell migration. High HBP flux and inhibition of N-glycosylation decrease the activity of metalloproteases 2 and 9. Our data demonstrates that modulation of HBP and different types of glycosylation impact cell migration.
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Affiliation(s)
- Rafaela Muniz de Queiroz
- Laboratório de Glicobiologia Estrutural e Funcional, Centro de Ciências da Saúde, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil
| | - Isadora Araújo Oliveira
- Laboratório de Glicobiologia Estrutural e Funcional, Centro de Ciências da Saúde, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil
| | - Bruno Piva
- Laboratório de Inflamação, Centro de Ciências da Saúde, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil
| | - Felipe Bouchuid Catão
- Laboratório de Inflamação, Centro de Ciências da Saúde, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil.,Laboratório de Matriz Extracelular, Centro de Ciências da Saúde, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil
| | - Bruno da Costa Rodrigues
- Laboratório de Glicobiologia Estrutural e Funcional, Centro de Ciências da Saúde, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil
| | - Adriana da Costa Pascoal
- Laboratório de Glicobiologia Estrutural e Funcional, Centro de Ciências da Saúde, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil
| | - Bruno Lourenço Diaz
- Laboratório de Inflamação, Centro de Ciências da Saúde, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil
| | - Adriane Regina Todeschini
- Laboratório de Glicobiologia Estrutural e Funcional, Centro de Ciências da Saúde, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil
| | - Michelle Botelho Caarls
- Laboratório de Matriz Extracelular, Centro de Ciências da Saúde, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil
| | - Wagner Barbosa Dias
- Laboratório de Glicobiologia Estrutural e Funcional, Centro de Ciências da Saúde, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil
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Rybka JD. Radiosensitizing properties of magnetic hyperthermia mediated by superparamagnetic iron oxide nanoparticles (SPIONs) on human cutaneous melanoma cell lines. Rep Pract Oncol Radiother 2019; 24:152-157. [PMID: 30774558 PMCID: PMC6365839 DOI: 10.1016/j.rpor.2019.01.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 11/07/2018] [Accepted: 01/20/2019] [Indexed: 12/15/2022] Open
Abstract
Melanoma is responsible for the majority of deaths related to skin cancer. Worryingly, prognoses show an increasing number of melanoma cases each year worldwide. Radiotherapy, which is a cornerstone of cancer treatment, has proved to be useful but insufficient in melanoma management due to exceptionally high radioresistance of melanoma cells. This problem could be overcome by superparamagnetic iron oxide nanoparticles (SPIONs) used as heat mediators in magnetic hyperthermia, which not only enhance radiosensitivity, but also enable precise targeting by exploitation of their magnetic properties.
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Deng W, Fernandez A, McLaughlin SL, Klinke DJ. WNT1-inducible signaling pathway protein 1 (WISP1/CCN4) stimulates melanoma invasion and metastasis by promoting the epithelial-mesenchymal transition. J Biol Chem 2019; 294:5261-5280. [PMID: 30723155 DOI: 10.1074/jbc.ra118.006122] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 01/26/2019] [Indexed: 01/03/2023] Open
Abstract
Besides intrinsic changes, malignant cells also release soluble signals that reshape their microenvironment. Among these signals is WNT1-inducible signaling pathway protein 1 (WISP1), a secreted matricellular protein whose expression is elevated in several cancers, including melanoma, and is associated with reduced survival of patients diagnosed with primary melanoma. Here, we found that WISP1 knockout increases cell proliferation and represses wound healing, migration, and invasion of mouse and human melanoma cells in multiple in vitro assays. Metastasis assays revealed that WISP1 knockout represses tumor metastasis of B16F10 and YUMM1.7 melanoma cells in both C57BL/6Ncrl and NOD-scid IL2Rγnull (NSG) mice. WT B16F10 cells having an invasion phenotype in a transwell assay possessed a gene expression signature similar to that observed in the epithelial-mesenchymal transition (EMT), including E-cadherin repression and fibronectin and N-cadherin induction. Upon WISP1 knockout, expression of these EMT signature genes went in the opposite direction in both mouse and human cell lines, and EMT-associated gene expression was restored upon exposure to media containing WISP1 or to recombinant WISP1 protein. In vivo, Wisp1 knockout-associated metastasis repression was reversed by the reintroduction of either WISP1 or snail family transcriptional repressor 1 (SNAI1). Experiments testing EMT gene activation and inhibition with recombinant WISP1 or kinase inhibitors in B16F10 and YUMM1.7 cells suggested that WISP1 activates AKT Ser/Thr kinase and that MEK/ERK signaling pathways shift melanoma cells from proliferation to invasion. Our results indicate that WISP1 present within the tumor microenvironment stimulates melanoma invasion and metastasis by promoting an EMT-like process.
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Affiliation(s)
- Wentao Deng
- From the Department of Microbiology, Immunology, and Cell Biology.,the West Virginia University Cancer Institute
| | - Audry Fernandez
- From the Department of Microbiology, Immunology, and Cell Biology.,the West Virginia University Cancer Institute
| | - Sarah L McLaughlin
- the West Virginia University Cancer Institute.,the Animal Models and Imaging Facility, and
| | - David J Klinke
- From the Department of Microbiology, Immunology, and Cell Biology, .,the West Virginia University Cancer Institute.,the Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, West Virginia 26505
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Cannavò SP, Tonacci A, Bertino L, Casciaro M, Borgia F, Gangemi S. The role of oxidative stress in the biology of melanoma: A systematic review. Pathol Res Pract 2019; 215:21-28. [DOI: 10.1016/j.prp.2018.11.020] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 11/22/2018] [Accepted: 11/23/2018] [Indexed: 12/11/2022]
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Seo H, Cho DH. Identification of Primary and Metastatic Melanoma based on Copy Number Variation. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2018; 2018:1319-1322. [PMID: 30440634 DOI: 10.1109/embc.2018.8512542] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The development of new sequencing technology has stimulated the cancer-related genome analysis. Copy number variation is one of the most important features that represents the structural variation. In this paper, we suggest the metastasis identification method of melanoma using copy number variations. The identification marker is defined in consideration of the presence and the type of copy number variations in primary and metastatic tumors. The optimization of marker is also provided and classification performances of developed markers are compared using the linear classifier.
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Zhang Y, Wang G. MicroRNA-183 inhibits A375 human melanoma cell migration and invasion by targeting Ezrin and MMP-9. Oncol Lett 2018; 17:548-554. [PMID: 30655800 DOI: 10.3892/ol.2018.9603] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 06/28/2018] [Indexed: 12/13/2022] Open
Abstract
To assess the influence of microRNA-183 (miR-183) on the migration and invasion of A375 human melanoma cells, an A375 cell line with stable miR-183 overexpression or knockdown was constructed using lentiviral transfection. The change of miR-183 expression in these cells and in non-transfected controls was verified using reverse transcription-quantitative polymerase chain reaction. The impact of miR-183 on experimental A375 cell migration and invasion was assessed using a scratch and Transwell assay. The expression of Ezrin and matrix metalloprotease-9 (MMP-9), which are two mediator proteins that serve roles in tumor cell migration and invasion, were analyzed in each cell group via western blotting. The results of the present study indicated that miR-183 overexpression significantly inhibits A375 cell migration and invasion, which may be facilitated by miR-183 knockdown. Furthermore, Ezrin and MMP-9 protein levels were negatively associated with miR-183 expression, indicating that miR-183 may function as a tumor suppressor by inhibiting the expression of these two proteins. Additionally, miR-183 downregulation may be associated with the progression of melanoma.
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Affiliation(s)
- Yusen Zhang
- Department of Plastic Surgery, People's Hospital of Zhengzhou, Henan Agricultural University, Zhengzhou, Henan 450000, P.R. China
| | - Guoqiang Wang
- Key Laboratory of Animal Biochemistry and Nutrition, Ministry of Agriculture, Henan Agricultural University, Zhengzhou, Henan 450000, P.R. China
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Barriers to Effective Drug Treatment for Brain Metastases: A Multifactorial Problem in the Delivery of Precision Medicine. Pharm Res 2018; 35:177. [PMID: 30003344 DOI: 10.1007/s11095-018-2455-9] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 06/30/2018] [Indexed: 12/12/2022]
Abstract
The treatment of metastatic lesions in the brain represents a serious unmet medical need in the field of neuro-oncology. Even though many effective compounds have demonstrated success in treating peripheral (non-CNS) tumors with targeted agents, one aspect of this lack of success in the brain may be related to poor delivery of otherwise effective compounds. Many factors can influence the brain delivery of these agents, but one key barrier is a heterogeneously "leaky" BBB that expresses efflux transporters that limit the BBB permeability for many targeted agents. Future success in therapeutics for brain metastases must take into account the adequate delivery of "active, free drug" to the target, and may include combinations of targeted drugs that are appropriate to address each individual patient's tumor type. This review discusses some issues that are pertinent to precision medicine for brain metastases, using specific examples of tumor types that have a high incidence of brain metastases.
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70
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Jia H, Ren W, Feng Y, Wei T, Guo M, Guo J, Zhao J, Song X, Wang M, Zhao T, Wang H, Feng Z, Tian Z. The enhanced antitumour response of pimozide combined with the IDO inhibitor L‑MT in melanoma. Int J Oncol 2018; 53:949-960. [PMID: 30015838 PMCID: PMC6065445 DOI: 10.3892/ijo.2018.4473] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 06/06/2018] [Indexed: 12/12/2022] Open
Abstract
Melanoma is one of the most fatal and therapy-resistant types of cancer; therefore, identifying novel therapeutic candidates to improve patient survival is an ongoing effort. Previous studies have revealed that pimozide is not sufficient to treat melanoma; therefore, enhancing the treatment is necessary. Indoleamine 2, 3‑dioxygenase (IDO) is an immunosuppressive, intracellular rate-limiting enzyme, which contributes to immune tolerance in various tumours, including melanoma, and inhibition of IDO may be considered a novel therapeutic strategy when combined with pimozide. The present study aimed to assess the antitumour activities of pimozide in vitro, and to investigate the effects of pimozide combined with L‑methyl-tryptophan (L‑MT) in vivo. For in vitro analyses, the B16 melanoma cell line was used. Cell cytotoxicity assay, cell viability assay, wound‑healing assay and western blotting were conducted to analyse the effects of pimozide on B16 cells. Furthermore, B16 cell-bearing mice were established as the animal model. Haematoxylin and eosin staining, immunohistochemistry, terminal deoxynucleotidyl transferase dUTP nick end-labelling staining, western blotting and flow cytometry were performed to determine the effects of monotherapy and pimozide and L‑MT cotreatment on melanoma. The results demonstrated that pimozide exhibited potent antitumour activity via the regulation of proliferation, apoptosis and migration. Furthermore, the antitumour effects of pimozide were enhanced when combined with L‑MT, not only via regulation of proliferation, apoptosis and migration, but also via immune modulation. Notably, pimozide may regulate tumour immunity through inhibiting the activities of signal transducer and activator of transcription (Stat)3 and Stat5. In conclusion, the present study proposed the use of pimozide in combination with the IDO inhibitor, L‑MT, as a potential novel therapeutic strategy for the treatment of melanoma.
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Affiliation(s)
- Huijie Jia
- Department of Pathology, Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Wenjing Ren
- Department of Dermatology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Yuchen Feng
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Tian Wei
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Mengmeng Guo
- Department of Pathology, Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Jing Guo
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Jingjing Zhao
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Xiangfeng Song
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Mingyong Wang
- Henan Key Laboratory of Immunology and Targeted Therapy, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Tiesuo Zhao
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Hui Wang
- Research Center for Immunology, Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Zhiwei Feng
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Zhongwei Tian
- Department of Dermatology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
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Zhan C, Cheng J, Li B, Huang S, Zeng F, Wu S. A Fluorescent Probe for Early Detection of Melanoma and Its Metastasis by Specifically Imaging Tyrosinase Activity in a Mouse Model. Anal Chem 2018; 90:8807-8815. [DOI: 10.1021/acs.analchem.8b00594] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Chenyue Zhan
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Jiatian Cheng
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Bowen Li
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Shuailing Huang
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Fang Zeng
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Shuizhu Wu
- State Key Laboratory of Luminescent Materials and Devices, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
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72
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Targeted-gene silencing of BRAF to interrupt BRAF/MEK/ERK pathway synergized photothermal therapeutics for melanoma using a novel FA-GNR-siBRAF nanosystem. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 14:1679-1693. [DOI: 10.1016/j.nano.2018.04.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 03/20/2018] [Accepted: 04/09/2018] [Indexed: 01/16/2023]
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Taggart D, Andreou T, Scott KJ, Williams J, Rippaus N, Brownlie RJ, Ilett EJ, Salmond RJ, Melcher A, Lorger M. Anti-PD-1/anti-CTLA-4 efficacy in melanoma brain metastases depends on extracranial disease and augmentation of CD8 + T cell trafficking. Proc Natl Acad Sci U S A 2018; 115:E1540-E1549. [PMID: 29386395 PMCID: PMC5816160 DOI: 10.1073/pnas.1714089115] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Inhibition of immune checkpoints programmed death 1 (PD-1) and cytotoxic T lymphocyte-associated protein 4 (CTLA-4) on T cells results in durable antitumor activity in melanoma patients. Despite high frequency of melanoma brain metastases (BrM) and associated poor prognosis, the activity and mechanisms of immune checkpoint inhibitors (ICI) in metastatic tumors that develop within the "immune specialized" brain microenvironment, remain elusive. We established a melanoma tumor transplantation model with intracranial plus extracranial (subcutaneous) tumor, mimicking the clinically observed coexistence of metastases inside and outside the brain. Strikingly, intracranial ICI efficacy was observed only when extracranial tumor was present. Extracranial tumor was also required for ICI-induced increase in CD8+ T cells, macrophages, and microglia in brain tumors, and for up-regulation of immune-regulatory genes. Combined PD-1/CTLA-4 blockade had a superior intracranial efficacy over the two monotherapies. Cell depletion studies revealed that NK cells and CD8+ T cells were required for intracranial anti-PD-1/anti-CTLA-4 efficacy. Rather than enhancing CD8+ T cell activation and expansion within intracranial tumors, PD-1/CTLA-4 blockade dramatically (∼14-fold) increased the trafficking of CD8+ T cells to the brain. This was mainly through the peripheral expansion of homing-competent effector CD8+ T cells and potentially further enhanced through up-regulation of T cell entry receptors intercellular adhesion molecule 1 and vascular adhesion molecule 1 on tumor vasculature. Our study indicates that extracranial activation/release of CD8+ T cells from PD-1/CTLA-4 inhibition and potentiation of their recruitment to the brain are paramount to the intracranial anti-PD-1/anti-CTLA-4 activity, suggesting augmentation of these processes as an immune therapy-enhancing strategy in metastatic brain cancer.
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Affiliation(s)
- David Taggart
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, United Kingdom
- MRC Centre for Inflammation Research, University of Edinburgh, Edinburgh EH8 9YL, United Kingdom
| | - Tereza Andreou
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, United Kingdom
| | - Karen J Scott
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, United Kingdom
| | - Jennifer Williams
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, United Kingdom
| | - Nora Rippaus
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, United Kingdom
| | - Rebecca J Brownlie
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, United Kingdom
| | - Elizabeth J Ilett
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, United Kingdom
| | - Robert J Salmond
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, United Kingdom
| | - Alan Melcher
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, United Kingdom
- The Institute of Cancer Research, The Royal Marsden NHS Foundation Trust, London SW3 6JJ, United Kingdom
| | - Mihaela Lorger
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds LS9 7TF, United Kingdom;
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74
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Gampa G, Kim M, Cook-Rostie N, Laramy JK, Sarkaria JN, Paradiso L, DePalatis L, Elmquist WF. Brain Distribution of a Novel MEK Inhibitor E6201: Implications in the Treatment of Melanoma Brain Metastases. Drug Metab Dispos 2018; 46:658-666. [PMID: 29437873 DOI: 10.1124/dmd.117.079194] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 01/30/2018] [Indexed: 01/14/2023] Open
Abstract
Clinically meaningful efficacy in the treatment of brain tumors, including melanoma brain metastases (MBM), requires selection of a potent inhibitor against a suitable target, and adequate drug distribution to target sites in the brain. Deregulated constitutive signaling of mitogen-activated protein kinase (MAPK) pathway has been frequently observed in melanoma, and mitogen-activated protein/extracellular signal-regulated kinase (MEK) has been identified to be an important target. E6201 is a potent synthetic small-molecule MEK inhibitor. The purpose of this study was to evaluate brain distribution of E6201, and examine the impact of active efflux transport at the blood-brain barrier on the central nervous system (CNS) exposure of E6201. In vitro studies utilizing transfected Madin-Darby canine kidney II (MDCKII) cells indicate that E6201 is not a substrate of P-glycoprotein (P-gp) and breast cancer resistance protein (Bcrp). In vivo studies also suggest a minimal involvement of P-gp and Bcrp in E6201's brain distribution. The total concentrations in brain were higher than in plasma, resulting in a brain-to-plasma AUC ratio (Kp) of 2.66 in wild-type mice. The brain distribution was modestly enhanced in Mdr1a/b-/-, Bcrp1-/-, and Mdr1a/b-/-Bcrp1-/- knockout mice. The nonspecific binding of E6201 was higher in brain compared with plasma. However, free-drug concentrations in brain following 40 mg/kg intravenous dose reach levels that exceed reported in vitro half-maximal inhibitory concentration (IC50) values, suggesting that E6201 may be efficacious in inhibiting MEK-driven brain tumors. The brain distribution characteristics of E6201 make it an attractive targeted agent for clinical testing in MBM, glioblastoma, and other CNS tumors that may be effectively targeted with inhibition of MEK signaling.
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Affiliation(s)
- Gautham Gampa
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (G.G., M.K., N.C.-R., J.K.L., W.F.E.); Radiation Oncology, Mayo Clinic, Rochester, Minnesota (J.N.S.); and Strategia Therapeutics Inc., Spring, Texas (L.P., L.D.)
| | - Minjee Kim
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (G.G., M.K., N.C.-R., J.K.L., W.F.E.); Radiation Oncology, Mayo Clinic, Rochester, Minnesota (J.N.S.); and Strategia Therapeutics Inc., Spring, Texas (L.P., L.D.)
| | - Nicholas Cook-Rostie
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (G.G., M.K., N.C.-R., J.K.L., W.F.E.); Radiation Oncology, Mayo Clinic, Rochester, Minnesota (J.N.S.); and Strategia Therapeutics Inc., Spring, Texas (L.P., L.D.)
| | - Janice K Laramy
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (G.G., M.K., N.C.-R., J.K.L., W.F.E.); Radiation Oncology, Mayo Clinic, Rochester, Minnesota (J.N.S.); and Strategia Therapeutics Inc., Spring, Texas (L.P., L.D.)
| | - Jann N Sarkaria
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (G.G., M.K., N.C.-R., J.K.L., W.F.E.); Radiation Oncology, Mayo Clinic, Rochester, Minnesota (J.N.S.); and Strategia Therapeutics Inc., Spring, Texas (L.P., L.D.)
| | - Linda Paradiso
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (G.G., M.K., N.C.-R., J.K.L., W.F.E.); Radiation Oncology, Mayo Clinic, Rochester, Minnesota (J.N.S.); and Strategia Therapeutics Inc., Spring, Texas (L.P., L.D.)
| | - Louis DePalatis
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (G.G., M.K., N.C.-R., J.K.L., W.F.E.); Radiation Oncology, Mayo Clinic, Rochester, Minnesota (J.N.S.); and Strategia Therapeutics Inc., Spring, Texas (L.P., L.D.)
| | - William F Elmquist
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (G.G., M.K., N.C.-R., J.K.L., W.F.E.); Radiation Oncology, Mayo Clinic, Rochester, Minnesota (J.N.S.); and Strategia Therapeutics Inc., Spring, Texas (L.P., L.D.)
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Mudan S, Kumar J, Mafalda NC, Kusano T, Reccia I, Zanallato A, Dalgleish A, Habib N. Case report on the role of radiofrequency-assisted spleen-preserving surgery for splenic metastasis in the era of check-point inhibitors. Medicine (Baltimore) 2017; 96:e9106. [PMID: 29245341 PMCID: PMC5728956 DOI: 10.1097/md.0000000000009106] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
RATIONALE An isolated splenic metastasis is a rare phenomenon noted in advanced stage melanoma. We report the role of radiofrequency (RF) -based splenic-preserving splenectomy in a patient with a solitary splenic metastasis from advanced stage melanoma that was managed with checkpoint inhibitors. PATIENT CONCERNS We report a case of a 60-year-old man who presented with multiple lung metastases and a solitary splenic metastasis with advanced stage melanoma following excision of primary from his trunk 2.3 years back. DIAGNOSIS Considering the diagnosis of advanced stage melanoma with multiple lung metastases and a solitary splenic metastasis, and its ongoing progressive nature. This case was discussed in the tumour board meeting. INTERVENTIONS A decision was made to commence treatment with immunotherapy in the form of PD-1 inhibitor (programmed cell death 1 receptor) pembrolizumab. Follow-up restaging computer tomography (CT) scan of the abdomen and chest showed a significant reduction in the lung and chest wall lesions, but the splenic lesion remained unchanged. Given the lack of response to treatment in the splenic metastasis and the significant decrease in lung metastases, the multidisciplinary team decided that a partial splenectomy combined with continued immunotherapy treatment would be appropriate as the success of immunotherapy was imminent within the splenic preservation. OUTCOMES The postoperative recovery was smooth and the patient was discharged from hospital on the sixth postoperative day with normal platelets and white blood cells. The histopathological analysis of the resected specimen showed a metastatic melanoma with negative margins.At 10-month follow-up after the splenic resection the patient had not experienced further tumour recurrences. LESSONS Spleen-preserving resection for an isolated, solitary splenic metastasis of melanoma is a feasible approach as it not only preserves the ongoing efficacy of checkpoint inhibitors by preserving the physiological T cell milieu, but the immunomodulation properties of RF can produce potentially additional therapeutic benefit.
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Affiliation(s)
| | - Jayant Kumar
- Department of Surgery & Cancer, Imperial College London
| | | | | | | | | | | | - Nagy Habib
- Department of Surgery & Cancer, Imperial College London
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Liu Y, Zou X, Sun G, Bao Y. Codonopsis lanceolata polysaccharide CLPS inhibits melanoma metastasis via regulating integrin signaling. Int J Biol Macromol 2017; 103:435-440. [DOI: 10.1016/j.ijbiomac.2017.05.093] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Revised: 04/01/2017] [Accepted: 05/16/2017] [Indexed: 01/18/2023]
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Abstract
Melanoma cell expression of the nerve growth factor receptor CD271 is associated with stem-like properties. However, the contributing role of the receptor in melanoma cell migration is elusive. Here, we explored extracranial (skin, soft tissue, lymph node and liver, n = 13) and matched brain metastases (BM, n = 12) and observed a heterogeneous distribution of phenotypically distinct subsets of CD271+ cells. In addition, we observed that CD271 expression gradually rises along with melanoma progression and metastasis by exploration of publicly available expression data of nevi, primary melanoma (n = 31) and melanoma metastases (n = 54). Furthermore, we observed highest levels of CD271 in BM. Sub-clustering identified 99 genes differentially expressed among CD271high and CD271low (p < 0.05) BM-subgroups. Comparative analysis of subsets revealed increased ( ≥ 1.5fold, log2) expression of migration-associated genes and enrichment of CD271-responsible genes involved in DNA-repair and stemness. Live cell-imaging based scratch-wound assays of melanoma cells with stable knock-down of CD271 revealed a significantly reduced cell migration (3.9fold, p = 1.2E-04) and a reduced expression of FGF13, CSPG4, HMGA2 and AKT3 major candidate regulatory genes of melanoma cell migration. In summary, we provide new insights in melanoma cell migration and suggest that CD271 serves as a candidate regulator, sufficient to determine cellular properties of melanoma brain metastatic cells.
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Pitcovski J, Shahar E, Aizenshtein E, Gorodetsky R. Melanoma antigens and related immunological markers. Crit Rev Oncol Hematol 2017; 115:36-49. [DOI: 10.1016/j.critrevonc.2017.05.001] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Revised: 05/01/2017] [Accepted: 05/02/2017] [Indexed: 01/12/2023] Open
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van Rooijen E, Fazio M, Zon LI. From fish bowl to bedside: The power of zebrafish to unravel melanoma pathogenesis and discover new therapeutics. Pigment Cell Melanoma Res 2017; 30:402-412. [PMID: 28379616 PMCID: PMC6038924 DOI: 10.1111/pcmr.12592] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 03/22/2017] [Indexed: 12/28/2022]
Abstract
Melanoma is the most aggressive and deadliest form of skin cancer. A detailed knowledge of the cellular, molecular, and genetic events underlying melanoma progression is highly relevant to diagnosis, prognosis and risk stratification, and the development of new therapies. In the last decade, zebrafish have emerged as a valuable model system for the study of melanoma. Pathway conservation, coupled with the availability of robust genetic, transgenic, and chemical tools, has made the zebrafish a powerful model for identifying novel disease genes, visualizing cancer initiation, interrogating tumor-microenvironment interactions, and discovering new therapeutics that regulate melanocyte and melanoma development. In this review, we will give an overview of these studies, and highlight recent advancements that will help unravel melanoma pathogenesis and impact human disease.
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Affiliation(s)
- Ellen van Rooijen
- Stem Cell Program and Division of Hematology/Oncology, Boston Children’s Hospital and Dana Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Stem Cell Institute, Harvard Medical School, Boston, MA, USA
| | - Maurizio Fazio
- Stem Cell Program and Division of Hematology/Oncology, Boston Children’s Hospital and Dana Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Stem Cell Institute, Harvard Medical School, Boston, MA, USA
- PhD program in Biological and Biomedical Sciences, Harvard University, Boston, MA, USA
| | - Leonard I. Zon
- Stem Cell Program and Division of Hematology/Oncology, Boston Children’s Hospital and Dana Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Stem Cell Institute, Harvard Medical School, Boston, MA, USA
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80
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Gampa G, Vaidhyanathan S, Sarkaria JN, Elmquist WF. Drug delivery to melanoma brain metastases: Can current challenges lead to new opportunities? Pharmacol Res 2017. [PMID: 28634084 DOI: 10.1016/j.phrs.2017.06.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Melanoma has a high propensity to metastasize to the brain, and patients with melanoma brain metastases (MBM) have an extremely poor prognosis. The recent approval of several molecularly-targeted agents (e.g., BRAF, MEK inhibitors) and biologics (anti-CTLA-4, anti-PD-1 and anti-PD-L1 antibodies) has brought new hope to patients suffering from this formerly untreatable and lethal disease. Importantly, there have been recent reports of success in some clinical studies examining the efficacy of both targeted agents and immunotherapies that show similar response rates in both brain metastases and extracranial disease. While these studies are encouraging, there remains significant room for improvement in the treatment of MBM, given the lack of durable response and the development of resistance to current therapies. Critical questions remain regarding mechanisms that lead to this lack of durable response and development of resistance, and how those mechanisms may differ in systemic sites versus brain metastases. One issue that may not be fully appreciated is that the delivery of several small molecule molecularly-targeted therapies to the brain is often restricted due to active efflux at the blood-brain barrier (BBB) interface. Inadequate local drug concentrations may be partially responsible for the development of unique patterns of resistance at metastatic sites in the brain. It is clear that there can be local, heterogeneous BBB breakdown in MBM, as exemplified by contrast-enhancement on T1-weighted MR imaging. However, it is possible that the successful treatment of MBM with small molecule targeted therapies will depend, in part, on the ability of these therapies to penetrate an intact BBB and reach the protected micro-metastases (so called "sub-clinical" disease) that escape early detection by contrast-enhanced MRI, as well as regions of tumor within MRI-detectable metastases that may have a less compromised BBB. The emergence of resistance in MBM may be related to several diverse, yet interrelated, factors including the distinct microenvironment of the brain and inadequate brain penetration of targeted therapies to specific regions of tumor. The tumor microenvironment has been ascribed to play a key role in steering the course of disease progression, by dictating changes in expression of tumor drivers and resistance-related signaling mechanisms. Therefore, a key issue to consider is how changes in drug delivery, and hence local drug concentrations within a metastatic microenvironment, will influence the development of resistance. Herein we discuss our perspective on several critical questions that focus on many aspects relevant to the treatment of melanoma brain metastases; the answers to which may lead to important advances in the treatment of this devastating disease.
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Affiliation(s)
- Gautham Gampa
- Brain Barriers Research Center, Department of Pharmaceutics, University of Minnesota, Minneapolis, MN, USA
| | - Shruthi Vaidhyanathan
- Brain Barriers Research Center, Department of Pharmaceutics, University of Minnesota, Minneapolis, MN, USA
| | | | - William F Elmquist
- Brain Barriers Research Center, Department of Pharmaceutics, University of Minnesota, Minneapolis, MN, USA.
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81
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Melanocytic nevi and melanoma: unraveling a complex relationship. Oncogene 2017; 36:5771-5792. [PMID: 28604751 DOI: 10.1038/onc.2017.189] [Citation(s) in RCA: 120] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 05/09/2017] [Accepted: 05/10/2017] [Indexed: 12/11/2022]
Abstract
Approximately 33% of melanomas are derived directly from benign, melanocytic nevi. Despite this, the vast majority of melanocytic nevi, which typically form as a result of BRAFV600E-activating mutations, will never progress to melanoma. Herein, we synthesize basic scientific insights and data from mouse models with common observations from clinical practice to comprehensively review melanocytic nevus biology. In particular, we focus on the mechanisms by which growth arrest is established after BRAFV600E mutation. Means by which growth arrest can be overcome and how melanocytic nevi relate to melanoma are also considered. Finally, we present a new conceptual paradigm for understanding the growth arrest of melanocytic nevi in vivo termed stable clonal expansion. This review builds upon the canonical hypothesis of oncogene-induced senescence in growth arrest and tumor suppression in melanocytic nevi and melanoma.
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82
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Lugini L, Sciamanna I, Federici C, Iessi E, Spugnini EP, Fais S. Antitumor effect of combination of the inhibitors of two new oncotargets: proton pumps and reverse transcriptase. Oncotarget 2017; 8:4147-4155. [PMID: 27926505 PMCID: PMC5354819 DOI: 10.18632/oncotarget.13792] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 11/24/2016] [Indexed: 02/07/2023] Open
Abstract
Tumor therapy needs new approaches in order to improve efficacy and reduce toxicity of the current treatments. The acidic microenvironment and the expression of high levels of endogenous non-telomerase reverse transcriptase (RT) are common features of malignant tumor cells. The anti-acidic proton pump inhibitor Lansoprazole (LAN) and the non-nucleoside RT inhibitor Efavirenz (EFV) have shown independent antitumor efficacy. LAN has shown to counteract drug tumor resistance. We tested the hypothesis that combination of LAN and EFV may improve the overall antitumor effects. We thus pretreated human metastatic melanoma cells with LAN and then with EFV, both in 2D and 3D spheroid models. We evaluated the treatment effect by proliferation and cell death/apoptosis assays in classical and in pulse administration experiments. The action of EFV was negatively affected by the tumor microenvironmental acidity, and LAN pretreatment overcame the problem. LAN potentiated the cytotoxicity of EFV to melanoma cells and, when administered during the drug interruption period, prevented the replacement of tumor cell growth.This study supports the implementation of the current therapies with combination of Proton Pumps and Reverse Transcriptase inhibitors.
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Affiliation(s)
- Luana Lugini
- Department of Therapeutic Research and Medicine Evaluation, National Institute of Health, Rome, Italy
| | - Ilaria Sciamanna
- Department of Servizio Biologico e per la Gestione della Sperimentazione Animale (SBGSA), National Institute of Health, Rome, Italy
| | - Cristina Federici
- Department of Therapeutic Research and Medicine Evaluation, National Institute of Health, Rome, Italy
| | - Elisabetta Iessi
- Department of Therapeutic Research and Medicine Evaluation, National Institute of Health, Rome, Italy
| | - Enrico Pierluigi Spugnini
- Stabilimento Allevatore Fornitore Utilizzatore (SAFU) Department, Regina Elena Cancer Institute, Rome, Italy
| | - Stefano Fais
- Department of Therapeutic Research and Medicine Evaluation, National Institute of Health, Rome, Italy
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83
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Bupleurum chinense polysaccharide inhibit adhesion of human melanoma cells via blocking β1 integrin function. Carbohydr Polym 2017; 156:244-252. [DOI: 10.1016/j.carbpol.2016.09.034] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 09/12/2016] [Accepted: 09/12/2016] [Indexed: 12/22/2022]
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84
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Angiotensin Converting Enzyme Regulates Cell Proliferation and Migration. PLoS One 2016; 11:e0165371. [PMID: 27992423 PMCID: PMC5167550 DOI: 10.1371/journal.pone.0165371] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 11/29/2016] [Indexed: 12/31/2022] Open
Abstract
Background The angiotensin-I converting enzyme (ACE) plays a central role in the renin-angiotensin system, acting by converting the hormone angiotensin-I to the active peptide angiotensin-II (Ang-II). More recently, ACE was shown to act as a receptor for Ang-II, and its expression level was demonstrated to be higher in melanoma cells compared to their normal counterparts. However, the function that ACE plays as an Ang-II receptor in melanoma cells has not been defined yet. Aim Therefore, our aim was to examine the role of ACE in tumor cell proliferation and migration. Results We found that upon binding to ACE, Ang-II internalizes with a faster onset compared to the binding of Ang-II to its classical AT1 receptor. We also found that the complex Ang-II/ACE translocates to the nucleus, through a clathrin-mediated process, triggering a transient nuclear Ca2+ signal. In silico studies revealed a possible interaction site between ACE and phospholipase C (PLC), and experimental results in CHO cells, demonstrated that the β3 isoform of PLC is the one involved in the Ca2+ signals induced by Ang-II/ACE interaction. Further studies in melanoma cells (TM-5) showed that Ang-II induced cell proliferation through ACE activation, an event that could be inhibited either by ACE inhibitor (Lisinopril) or by the silencing of ACE. In addition, we found that stimulation of ACE by Ang-II caused the melanoma cells to migrate, at least in part due to decreased vinculin expression, a focal adhesion structural protein. Conclusion ACE activation regulates melanoma cell proliferation and migration.
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85
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Gampa G, Vaidhyanathan S, Resman BW, Parrish KE, Markovic SN, Sarkaria JN, Elmquist WF. Challenges in the delivery of therapies to melanoma brain metastases. ACTA ACUST UNITED AC 2016; 2:309-325. [PMID: 28546917 DOI: 10.1007/s40495-016-0072-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Brain metastases are a major cause of morbidity and mortality in patients with advanced melanoma. Recent approval of several molecularly-targeted agents and biologics has brought hope to patients with this previously untreatable disease. However, patients with symptomatic melanoma brain metastases have often been excluded from pivotal clinical trials. This may be in part attributed to the fact that several of the approved small molecule molecularly-targeted agents are substrates for active efflux at the blood-brain barrier, limiting their effective delivery to brain metastases. We believe that successful treatment of melanoma brain metastases will depend on the ability of these agents to traverse the blood-brain barrier and reach micrometastases that are often not clinically detectable. Moreover, overcoming the emergence of a unique pattern of resistance, possibly through adequate delivery of combination targeted therapies in brain metastases will be important in achieving a durable response. These concepts, and the current challenges in the delivery of new treatments to melanoma brain metastases, are discussed in this review.
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Affiliation(s)
- Gautham Gampa
- Brain Barriers Research Center, Department of Pharmaceutics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Shruthi Vaidhyanathan
- Brain Barriers Research Center, Department of Pharmaceutics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Brynna-Wilken Resman
- Brain Barriers Research Center, Department of Pharmaceutics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Karen E Parrish
- Brain Barriers Research Center, Department of Pharmaceutics, University of Minnesota, Minneapolis, Minnesota, USA
| | | | | | - William F Elmquist
- Brain Barriers Research Center, Department of Pharmaceutics, University of Minnesota, Minneapolis, Minnesota, USA
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86
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Das AM, Bolkestein M, van der Klok T, Oude Ophuis CMC, Vermeulen CE, Rens JAP, Dinjens WNM, Atmodimedjo PN, Verhoef C, Koljenović S, Smits R, Ten Hagen TLM, Eggermont AMM. Tissue inhibitor of metalloproteinase-3 (TIMP3) expression decreases during melanoma progression and inhibits melanoma cell migration. Eur J Cancer 2016; 66:34-46. [PMID: 27522248 DOI: 10.1016/j.ejca.2016.06.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 06/11/2016] [Accepted: 06/21/2016] [Indexed: 02/09/2023]
Abstract
AIMS Malignant melanoma is the most aggressive form of skin cancer, and metastatic dissemination to regional and visceral sites is responsible for the majority of melanoma-related mortalities. In a recent study by our group, we observed reduced expression of tissue inhibitor of metalloproteinase-3 (TIMP3) in the majority of stage III melanoma samples studied. TIMP3 has been reported as a tumour suppressor in several human malignancies, with reduced expression correlating with poor clinical outcome. In this study, we investigated the changes in TIMP3 expression during melanoma progression. PATIENTS AND METHODS TIMP3 expression was analysed by immunohistochemistry in sequential archived tumour material from stage I/II, stage III and stage IV samples from melanoma patients (n = 33). Protein expression was investigated for associations with disease-free survival and overall survival. Methylation status of the gene promoter was determined using methylation-specific PCR. In vitro assays were used to investigate the functional consequences of TIMP3 expression on behavioural aspects of melanoma cells. RESULTS We show that TIMP3 expression decreases with melanoma progression although no significant clinical associations were obtained. Analysis of the status of promoter methylation using methylation-specific PCR revealed it to be a low-frequency event in melanoma. Additionally, through gene modulation experiments in melanoma cell lines, we show that TIMP3 negatively regulates cell migration, invasion and anoikis resistance. CONCLUSIONS Collectively, our data suggests that TIMP3 functions as a tumour suppressor in melanoma and negatively regulates several aspects of the metastatic cascade.
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Affiliation(s)
- Asha M Das
- Department of Surgical Oncology, Erasmus Medical Center, Rotterdam, The Netherlands.
| | - Michiel Bolkestein
- Department of Surgical Oncology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Thom van der Klok
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands
| | | | - Cindy E Vermeulen
- Department of Surgical Oncology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Joost A P Rens
- Department of Surgical Oncology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Winand N M Dinjens
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands
| | | | - Cornelis Verhoef
- Department of Surgical Oncology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Senada Koljenović
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Ron Smits
- Department of Gastroenterology and Hepatology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Timo L M Ten Hagen
- Department of Surgical Oncology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Alexander M M Eggermont
- Department of Surgical Oncology, Erasmus Medical Center, Rotterdam, The Netherlands; Gustave Roussy Cancer Campus Grand Paris, Villejuif, France.
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87
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Roh MR, Eliades P, Gupta S, Tsao H. Genetics of melanocytic nevi. Pigment Cell Melanoma Res 2016; 28:661-72. [PMID: 26300491 DOI: 10.1111/pcmr.12412] [Citation(s) in RCA: 100] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 08/19/2015] [Indexed: 01/05/2023]
Abstract
Melanocytic nevi are a benign clonal proliferation of cells expressing the melanocytic phenotype, with heterogeneous clinical and molecular characteristics. In this review, we discuss the genetics of nevi by salient nevi subtypes: congenital melanocytic nevi, acquired melanocytic nevi, blue nevi, and Spitz nevi. While the molecular etiology of nevi has been less thoroughly studied than melanoma, it is clear that nevi and melanoma share common driver mutations. Acquired melanocytic nevi harbor oncogenic mutations in BRAF, which is the predominant oncogene associated with melanoma. Congenital melanocytic nevi and blue nevi frequently harbor NRAS mutations and GNAQ mutations, respectively, while Spitz and atypical Spitz tumors often exhibit HRAS and kinase rearrangements. These initial 'driver' mutations are thought to trigger the establishment of benign nevi. After this initial phase of the cell proliferation, a senescence program is executed, causing termination of nevi growth. Only upon the emergence of additional tumorigenic alterations, which may provide an escape from oncogene-induced senescence, can malignant progression occur. Here, we review the current literature on the pathobiology and genetics of nevi in the hope that additional studies of nevi promise to inform our understanding of the transition from benign neoplasm to malignancy.
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Affiliation(s)
- Mi Ryung Roh
- Wellman Center for Photomedicine, Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Department of Dermatology, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Philip Eliades
- Wellman Center for Photomedicine, Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Tufts University School of Medicine, Boston, MA, USA
| | - Sameer Gupta
- Wellman Center for Photomedicine, Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Hensin Tsao
- Wellman Center for Photomedicine, Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
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88
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Gandolfi G, Dallaglio K, Longo C, Moscarella E, Lallas A, Alfano R, Argenziano G, Ciarrocchi A. Contemporary and potential future molecular diagnosis of melanoma. Expert Rev Mol Diagn 2016; 16:975-85. [DOI: 10.1080/14737159.2016.1206473] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- G. Gandolfi
- Laboratory of Translational Research, Arcispedale S. Maria Nuova-IRCCS, Reggio Emilia, Italy
| | - K. Dallaglio
- Laboratory of Translational Research, Arcispedale S. Maria Nuova-IRCCS, Reggio Emilia, Italy
| | - C. Longo
- Skin Cancer Unit, Arcispedale Santa Maria Nuova-IRCCS, Reggio Emilia, Italy
| | - E. Moscarella
- Skin Cancer Unit, Arcispedale Santa Maria Nuova-IRCCS, Reggio Emilia, Italy
| | - A. Lallas
- Skin Cancer Unit, Arcispedale Santa Maria Nuova-IRCCS, Reggio Emilia, Italy
| | - R. Alfano
- Surgery and Emergency Unit, Second University of Naples, Naples, Italy
| | - G. Argenziano
- Skin Cancer Unit, Arcispedale Santa Maria Nuova-IRCCS, Reggio Emilia, Italy
- Dermatology Unit, Second University of Naples, Naples, Italy
| | - A. Ciarrocchi
- Laboratory of Translational Research, Arcispedale S. Maria Nuova-IRCCS, Reggio Emilia, Italy
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89
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Chen L, Yang H, Xiao Y, Tang X, Li Y, Han Q, Fu J, Yang Y, Zhu Y. LncRNA GAS5 is a critical regulator of metastasis phenotype of melanoma cells and inhibits tumor growth in vivo. Onco Targets Ther 2016; 9:4075-87. [PMID: 27445498 PMCID: PMC4938146 DOI: 10.2147/ott.s98203] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The present study intended to demonstrate the effects of long noncoding RNA growth arrest-specific transcript 5 (GAS5) on the migration and invasion of melanoma cells. We first detected the expression of GAS5 among four kinds of melanoma cell lines, followed by constructing GAS5-knocked down and overexpressed stable cells. Next, we evaluated the effects of GAS5 on cell migration and invasion using wound healing and gelatin zymography assays. Finally, melanoma cells with different GAS5 expression were injected into nude mice, and the tumor volumes were recorded and tumor tissues were analyzed after sacrificing the mice. This study systematically examined the function of GAS5 in mediating melanoma metastasis and revealed that GAS5 plays an anticancer role in melanoma via regulating gelatinase A and B, both in vitro and in vivo.
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Affiliation(s)
- Long Chen
- Department of Biochemistry and Molecular Biology, Kunming Medical University, Kunming, Yunnan, People's Republic of China; PET/CT Center, Yunan Tumor Hospital, the Third Affiliated Hospital of Kunming Medical University, Kunming Medical University, Kunming, Yunnan, People's Republic of China
| | - Huixin Yang
- Department of Biochemistry and Molecular Biology, Kunming Medical University, Kunming, Yunnan, People's Republic of China
| | - Yanbin Xiao
- Department of Orthopaedics, Yunan Tumor Hospital, the Third Affiliated Hospital of Kunming Medical University, Kunming Medical University, Kunming, Yunnan, People's Republic of China
| | - Xiaoxia Tang
- Department of Pharmacy, the Second Affiliated Hospital of Kunming Medical University, Kunming Medical University, Kunming, Yunnan, People's Republic of China
| | - Yuqian Li
- Department of Biochemistry and Molecular Biology, Kunming Medical University, Kunming, Yunnan, People's Republic of China
| | - Qiaoqiao Han
- Department of Biochemistry and Molecular Biology, Kunming Medical University, Kunming, Yunnan, People's Republic of China
| | - Junping Fu
- Department of Orthopaedics, Yunan Tumor Hospital, the Third Affiliated Hospital of Kunming Medical University, Kunming Medical University, Kunming, Yunnan, People's Republic of China
| | - Yuye Yang
- Department of Biochemistry and Molecular Biology, Kunming Medical University, Kunming, Yunnan, People's Republic of China
| | - Yuechun Zhu
- Department of Biochemistry and Molecular Biology, Kunming Medical University, Kunming, Yunnan, People's Republic of China
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90
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Jeong Y, Kim ST, Jiang Y, Duncan B, Kim CS, Saha K, Yeh YC, Yan B, Tang R, Hou S, Kim C, Park MH, Rotello VM. Nanoparticle-dendrimer hybrid nanocapsules for therapeutic delivery. Nanomedicine (Lond) 2016; 11:1571-8. [PMID: 27175480 DOI: 10.2217/nnm-2016-0034] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Nanocapsules can efficiently encapsulate therapeutic cargo for anticancer drug delivery. However, the controlled release of the payload remains a challenge for effective drug delivery. MATERIALS & METHODS We used dithiocarbamate-functionalized PAMAM dendrimer to cross-link the shell of arginine gold nanoparticles stabilized nanocapsule, and controlled the drug release from the nanocapsule. The ability of cross-linked nanocapsule to deliver hydrophobic paclitaxel to B16F10 cells was demonstrated both in vitro and in vivo. RESULTS Cross-linked nanocapsule possesses tunable stability and modular permeability, and can deliver paclitaxel with improved anticancer efficiency compared with free drug both in vitro and in vivo. CONCLUSION Dithiocarbamate chemistry provides a new tool to harness multifactorial colloidal self-assembly for controlled drug delivery for cancer therapy.
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Affiliation(s)
- Youngdo Jeong
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Sung Tae Kim
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Ying Jiang
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Bradley Duncan
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Chang Soo Kim
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Krishnendu Saha
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Yi-Cheun Yeh
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Bo Yan
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Rui Tang
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Singyuk Hou
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Chaekyu Kim
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Myoung-Hwan Park
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA.,Department of Chemistry, Sahmyook University, Seoul 139-742, South Korea
| | - Vincent M Rotello
- Department of Chemistry, University of Massachusetts-Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
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91
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Hu SCS, Lee IT, Yen MH, Lin CC, Lee CW, Yen FL. Anti-melanoma activity of Bupleurum chinense, Bupleurum kaoi and nanoparticle formulation of their major bioactive compound saikosaponin-d. JOURNAL OF ETHNOPHARMACOLOGY 2016; 179:432-442. [PMID: 26748071 DOI: 10.1016/j.jep.2015.12.058] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 10/27/2015] [Accepted: 12/29/2015] [Indexed: 06/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Bupleurum chinense is a traditional Chinese medicinal herb which has been used to treat various inflammatory and infectious diseases, while Bupleurum kaoi is an endemic plant in Taiwan. We determined whether B. chinense and B. kaoi and their biologically active saikosaponin compounds possess anti-melanoma activity. In addition, we developed a novel saikosaponin-d nanoparticle system to improve its solubility, and evaluated its antiproliferative effects and molecular mechanisms in melanoma cells. MATERIALS AND METHODS Ethanolic extracts from B. chinense and B. kaoi were prepared, and their saikosaponin contents were determined by high performance liquid chromatography analysis. Saikosaponin-d nanoparticles were synthesized, and their physicochemical properties were evaluated by particle size analyzer, transmission electron microscopy, differential scanning calorimetry, X-ray diffractometry, and Fourier transform infrared spectroscopy. Human A375.S2 melanoma cells were cultured, and cell viability determined by the MTT assay. Apoptosis was evaluated by determination of mitochondrial membrane potential, and signal transduction pathways investigated by Western blotting. RESULTS Ethanolic extracts from B. kaoi showed more potent antiproliferative effect on human A375.S2 melanoma cells compared to B. chinense. The saikosaponin-a, -c and -d contents were higher in B. kaoi compared to B. chinense. Saikosaponin-d was the most potent compound in terms of anti-melanoma activity, and saikosaponin-d nanoparticles exhibited increased water solubility due to lowered particle size, amorphous transformation and intermolecular hydrogen bond formation with the excipient. Furthermore, saikosaponin-d nanoparticles showed enhanced antiproliferative activity against melanoma cells, and induced apoptosis through the mitochondrial pathway. The anti-melanoma activity was mediated by phosphorylation of JNK and p38, phosphorylation of p53, increased level of cytochrome c, and activation of caspase 9. CONCLUSIONS B. kaoi contains higher saikosaponin content and shows greater anti-melanoma activity than B. chinense. Saikosaponin-d nanoparticles have improved solubility, and may have potential use in the future as a form of treatment for melanoma.
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Affiliation(s)
- Stephen Chu-Sung Hu
- Department of Dermatology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - I-Ta Lee
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
| | - Ming-Hong Yen
- School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chun-Ching Lin
- School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chiang-Wen Lee
- Division of Basic Medical Sciences, Department of Nursing, Chang Gung Institute of Technology and Chronic Diseases and Health Promotion Research Center, Chiayi, Taiwan; Research Center for Industry of Human Ecology, Chang Gung University of Science and Technology, Kweishan, Taoyuan, Taiwan.
| | - Feng-Lin Yen
- Department of Fragrance and Cosmetic Science, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan; Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan.
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92
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Piccolo V, Russo T, Giacomel J, Lallas A, Alfano R, Argenziano G. Dispelling myths concerning pigmented skin lesions. J Eur Acad Dermatol Venereol 2016; 30:919-25. [PMID: 26840917 DOI: 10.1111/jdv.13557] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 11/10/2015] [Indexed: 12/17/2022]
Abstract
The history of medicine is replete with examples of debunked myths, and in daily clinical dermatological practice, we must still counter many misconceptions regarding pigmented lesions, both with patients and other medical practitioners. Debunking myths and attempting to explain the reasons for these erroneous beliefs are the purposes of this review. The literature review has been partially guided by the results obtained from an online questionnaire conducted on an Italian website (www.vediamocichiara.it) from February 15, 2015 to March 15, 2015. The remaining discussed were selected on the basis of the existing literature and our personal experience. In order to explore these misconceptions, the following are the seven most salient questions that require investigation: (i) Is it dangerous to excise moles?; (ii) Is it dangerous to traumatize moles?; (iii) Are plantar moles worrisome?; (iv) Is it necessary to selectively apply sunscreen to moles?; (v) Is it inadvisable to partially biopsy a melanoma?; (vi) Do moles turn into melanoma?; and (vii) Is it necessary to perform sentinel lymph node biopsy for thin melanomas and for atypical Spitz naevi? Myths are ubiquitous, being prevalent in dermatological practice, with many of them concerning pigmented skin lesions. By encouraging critical analysis by patients and medical practitioners, the birth and perpetuation of myths can potentially be minimized, for the ultimate benefit of patients. This requires a scientific approach to be rigorously applied to dermatology, with critical questioning of unsubstantiated hypotheses including those emanating from the mass media as well as from respected sources.
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Affiliation(s)
- V Piccolo
- Dermatology Unit, Second University of Naples, Naples, Italy
| | - T Russo
- Dermatology Unit, Second University of Naples, Naples, Italy
| | - J Giacomel
- Skin Spectrum Medical Services, Como, Perth, Australia
| | - A Lallas
- Skin Cancer Unit, Arcispedale Santa Maria Nuova IRCCS, Reggio Emilia, Italy
| | - R Alfano
- Department of Anesthesiology, Surgery and Emergency, Second University of Naples, Naples, Italy
| | - G Argenziano
- Dermatology Unit, Second University of Naples, Naples, Italy
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93
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Gandolfi G, Longo C, Moscarella E, Zalaudek I, Sancisi V, Raucci M, Manzotti G, Gugnoni M, Piana S, Argenziano G, Ciarrocchi A. The extent of whole-genome copy number alterations predicts aggressive features in primary melanomas. Pigment Cell Melanoma Res 2016; 29:163-75. [DOI: 10.1111/pcmr.12436] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 11/02/2015] [Accepted: 11/09/2015] [Indexed: 12/28/2022]
Affiliation(s)
- Greta Gandolfi
- Laboratory of Translational Research; Arcispedale S. Maria Nuova-IRCCS; Reggio Emilia Italy
| | - Caterina Longo
- Skin Cancer Unit; Arcispedale Santa Maria Nuova-IRCCS; Reggio Emilia Italy
| | - Elvira Moscarella
- Skin Cancer Unit; Arcispedale Santa Maria Nuova-IRCCS; Reggio Emilia Italy
| | - Iris Zalaudek
- Department of Dermatology and Venerology; Non-Melanoma Skin Cancer Unit; Medical University of Graz; Graz Austria
| | - Valentina Sancisi
- Laboratory of Translational Research; Arcispedale S. Maria Nuova-IRCCS; Reggio Emilia Italy
| | - Margherita Raucci
- Skin Cancer Unit; Arcispedale Santa Maria Nuova-IRCCS; Reggio Emilia Italy
| | - Gloria Manzotti
- Laboratory of Translational Research; Arcispedale S. Maria Nuova-IRCCS; Reggio Emilia Italy
| | - Mila Gugnoni
- Laboratory of Translational Research; Arcispedale S. Maria Nuova-IRCCS; Reggio Emilia Italy
| | - Simonetta Piana
- Pathology Unit; Arcispedale S. Maria Nuova-IRCCS; Reggio Emilia Italy
| | - Giuseppe Argenziano
- Skin Cancer Unit; Arcispedale Santa Maria Nuova-IRCCS; Reggio Emilia Italy
- Dermatology Unit; Second University of Naples; Naples Italy
| | - Alessia Ciarrocchi
- Laboratory of Translational Research; Arcispedale S. Maria Nuova-IRCCS; Reggio Emilia Italy
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94
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Mi R, Pan C, Zhou Y, Liu Y, Jin G, Liu F. Identification of the metastasis potential and its associated genes in melanoma multinucleated giant cells using the PHA-ECM830 fusion method. Oncol Rep 2016; 35:211-8. [PMID: 26531888 DOI: 10.3892/or.2015.4376] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Accepted: 09/04/2015] [Indexed: 11/05/2022] Open
Abstract
Malignant melanoma causes skin cancer with high rates of mortality. Multinucleated giant cells (MGCs) are frequently observed in tumor pathological analysis, especially in metastasized sites, and are related to poor prognosis. However, the role of MGCs in melanoma development and metastasis is currently unknown. In the present study, we obtained melanoma MGCs (M-MGCs) in vitro using the modified phytohaemagglutinin (PHA)-ECM830 electronic fusion method (fusion efficiency was significantly enhanced by adding PHA to agglutinate cells before electronic fusion). We found that M-MGCs showed decreased proliferation potential but increased pulmonary metastasis ability relative to the parental B16-F10 cells. Microarray and bioinformatics analysis showed that β-tubulin gene group was significantly upregulated in MMGCs. A member of this gene group, TUBB2B, exhibited significantly enhanced expression, indicating that it may play an important role in melanoma metastasis. Our results provide novel insights into the properties of melanoma and they could contribute towards the design of new strategies for rapid diagnosis and treatment of this cancer.
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Affiliation(s)
- Ruifang Mi
- Brain Tumor Research Center, Beijing Laboratory of Biomedical Materials, Beijing Neurosurgical Institute, Beijing Tiantan Hospital Affiliated to Capital Medical University, Beijing 100005, P.R. China
| | - Chunxiao Pan
- Brain Tumor Research Center, Beijing Laboratory of Biomedical Materials, Beijing Neurosurgical Institute, Beijing Tiantan Hospital Affiliated to Capital Medical University, Beijing 100005, P.R. China
| | - Yiqiang Zhou
- Brain Tumor Research Center, Beijing Laboratory of Biomedical Materials, Beijing Neurosurgical Institute, Beijing Tiantan Hospital Affiliated to Capital Medical University, Beijing 100005, P.R. China
| | - Yuanbo Liu
- Brain Tumor Research Center, Beijing Laboratory of Biomedical Materials, Beijing Neurosurgical Institute, Beijing Tiantan Hospital Affiliated to Capital Medical University, Beijing 100005, P.R. China
| | - Guishan Jin
- Brain Tumor Research Center, Beijing Laboratory of Biomedical Materials, Beijing Neurosurgical Institute, Beijing Tiantan Hospital Affiliated to Capital Medical University, Beijing 100005, P.R. China
| | - Fusheng Liu
- Brain Tumor Research Center, Beijing Laboratory of Biomedical Materials, Beijing Neurosurgical Institute, Beijing Tiantan Hospital Affiliated to Capital Medical University, Beijing 100005, P.R. China
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95
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Lau E, Feng Y, Claps G, Fukuda MN, Perlina A, Donn D, Jilaveanu L, Kluger H, Freeze HH, Ronai ZA. The transcription factor ATF2 promotes melanoma metastasis by suppressing protein fucosylation. Sci Signal 2015; 8:ra124. [PMID: 26645581 DOI: 10.1126/scisignal.aac6479] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Melanoma is one of the most lethal skin cancers worldwide, primarily because of its propensity to metastasize. Thus, the elucidation of mechanisms that govern metastatic propensity is urgently needed. We found that protein kinase Cε (PKCε)-mediated activation of activating transcription factor 2 (ATF2) controls the migratory and invasive behaviors of melanoma cells. PKCε-dependent phosphorylation of ATF2 promoted its transcriptional repression of the gene encoding fucokinase (FUK), which mediates the fucose salvage pathway and thus global cellular protein fucosylation. In primary melanocytes and cell lines representing early-stage melanoma, the abundance of PKCε-phosphorylated ATF2 was low, thereby enabling the expression of FUK and cellular protein fucosylation, which promoted cellular adhesion and reduced motility. In contrast, increased expression of the gene encoding PKCε and abundance of phosphorylated, transcriptionally active ATF2 were observed in advanced-stage melanomas and correlated with decreased FUK expression, decreased cellular protein fucosylation, attenuated cell adhesion, and increased cell motility. Restoring fucosylation in mice either by dietary fucose supplementation or by genetic manipulation of murine Fuk expression attenuated primary melanoma growth, increased the number of intratumoral natural killer cells, and decreased distal metastasis in murine isograft models. Tumor microarray analysis of human melanoma specimens confirmed reduced fucosylation in metastatic tumors and a better prognosis for primary melanomas that had high abundance of fucosylation. Thus, inhibiting PKCε or ATF2 or increasing protein fucosylation in tumor cells may improve clinical outcome in melanoma patients.
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Affiliation(s)
- Eric Lau
- Tumor Initiation and Maintenance Program, Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA.
| | - Yongmei Feng
- Tumor Initiation and Maintenance Program, Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Giuseppina Claps
- Tumor Initiation and Maintenance Program, Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Michiko N Fukuda
- Tumor Initiation and Maintenance Program, Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Ally Perlina
- Tumor Initiation and Maintenance Program, Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Dylan Donn
- Tumor Initiation and Maintenance Program, Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Lucia Jilaveanu
- Department of Internal Medicine, Section of Medical Oncology, Yale University, New Haven, CT 06520, USA
| | - Harriet Kluger
- Department of Internal Medicine, Section of Medical Oncology, Yale University, New Haven, CT 06520, USA
| | - Hudson H Freeze
- Tumor Initiation and Maintenance Program, Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Ze'ev A Ronai
- Tumor Initiation and Maintenance Program, Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA.
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96
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Webster MR, Kugel CH, Weeraratna AT. The Wnts of change: How Wnts regulate phenotype switching in melanoma. BIOCHIMICA ET BIOPHYSICA ACTA 2015; 1856:244-51. [PMID: 26546268 PMCID: PMC4668201 DOI: 10.1016/j.bbcan.2015.10.002] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 10/26/2015] [Accepted: 10/28/2015] [Indexed: 12/12/2022]
Abstract
The outgrowth of metastatic and therapy-resistant subpopulations in cancer remains a critical barrier for the successful treatment of this disease. In melanoma, invasion and proliferation are uncoupled, such that highly proliferative melanoma cells are less likely to be invasive, and vice versa. The transition between each state is likely a dynamic rather than a static, permanent change. This is referred to as "phenotype switching". Wnt signaling pathways drive phenotypic changes and promote therapy resistance in melanoma, as well as play roles in the modulation of the immune microenvironment. Three Wnt signaling pathways play a role in melanoma progression, canonical (β-catenin dependent), polar cell polarity (PCP), and the Wnt/Ca²⁺ pathway. Here we summarize phenotype plasticity and its role in therapy resistance and immune evasion. Targeting the Wnt signaling pathways may be an effective way to overcome tumor plasticity in melanoma.
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Affiliation(s)
- Marie R Webster
- Tumor Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, USA
| | - Curtis H Kugel
- Tumor Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, USA
| | - Ashani T Weeraratna
- Tumor Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, PA, USA.
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97
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Abstract
Cancer metastasis is the major cause of cancer morbidity and mortality, and accounts for about 90% of cancer deaths. Although cancer survival rate has been significantly improved over the years, the improvement is primarily due to early diagnosis and cancer growth inhibition. Limited progress has been made in the treatment of cancer metastasis due to various factors. Current treatments for cancer metastasis are mainly chemotherapy and radiotherapy, though the new generation anti-cancer drugs (predominantly neutralizing antibodies for growth factors and small molecule kinase inhibitors) do have the effects on cancer metastasis in addition to their effects on cancer growth. Cancer metastasis begins with detachment of metastatic cells from the primary tumor, travel of the cells to different sites through blood/lymphatic vessels, settlement and growth of the cells at a distal site. During the process, metastatic cells go through detachment, migration, invasion and adhesion. These four essential, metastatic steps are inter-related and affected by multi-biochemical events and parameters. Additionally, it is known that tumor microenvironment (such as extracellular matrix structure, growth factors, chemokines, matrix metalloproteinases) plays a significant role in cancer metastasis. The biochemical events and parameters involved in the metastatic process and tumor microenvironment have been targeted or can be potential targets for metastasis prevention and inhibition. This review provides an overview of these metastasis essential steps, related biochemical factors, and targets for intervention.
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Key Words
- Adhesion
- BM, basement membrane
- CAFs, cancer-associated fibroblasts
- CAMs, cell adhesion molecules
- CAT, collective amoeboid transition
- CCL2, chemokine (C–C motif) ligand 2
- CCR3, chemokine receptor 3
- COX2, cyclooxygenase 2
- CSF-1, chemokine colonystimulating factor–1
- CTGF, connective tissue growth factor
- CXCR2, chemokine receptor type 2
- Cancer
- Col, collagen
- DISC, death-inducing signaling complex
- Detachment
- ECM, extracellular matrix
- EGF, epidermal growth factor
- EGFR, EGF receptor
- EMT, epithelial–mesenchymal transition
- FAK, focal adhesion kinase
- FAs, focal adhesions
- FGF, fibroblast growth factor
- FN, fibronectin
- HA, hyaluronan
- HGF, hepatocyte growth factor
- HIFs, hypoxia-inducible factors
- IKK, IκB kinase
- Invasion
- JAK, the Janus kinases
- LN, laminin
- MAPK, mitogen-activated protein kinase
- MAT, mesenchymal to amoeboid transition
- MET, mesenchymal–epithelial transition
- MMPs, matrix metalloproteinases
- Metastasis
- Migration
- PDGF, platelet-derived growth factor
- PI3K, phosphatidylinositol 3-kinase
- STATs, signal transducers and activators of transcription
- TAMs, tumor-associated macrophages
- TGF-β, transforming growth factor β
- TME, tumor microenvironment
- VCAMs, vascular cell adhesion molecules
- VEGF, vascular endothelial growth factor
- VN, vitronectin
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98
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Targeted inhibition of metastatic melanoma through interference with Pin1-FOXM1 signaling. Oncogene 2015; 35:2166-77. [PMID: 26279295 PMCID: PMC4757516 DOI: 10.1038/onc.2015.282] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 05/19/2015] [Accepted: 06/09/2015] [Indexed: 12/25/2022]
Abstract
Melanoma is the most lethal form of skin cancer and successful treatment of metastatic melanoma remains challenging. BRAF/MEK inhibitors only show a temporary benefit due to rapid occurrence of resistance, whereas immunotherapy is mainly effective in selected subsets of patients. Thus, there is a need to identify new targets to improve treatment of metastatic melanoma. To this extent, we searched for markers that are elevated in melanoma and are under regulation of potentially druggable enzymes. Here, we show that the pro-proliferative transcription factor FOXM1 is elevated and activated in malignant melanoma. FOXM1 activity correlated with expression of the enzyme Pin1, which we found to be indicative of a poor prognosis. In functional experiments, Pin1 proved to be a main regulator of FOXM1 activity through MEK-dependent physical regulation during the cell cycle. The Pin1-FOXM1 interaction was enhanced by BRAF(V600E), the driver oncogene in the majority of melanomas, and in extrapolation of the correlation data, interference with\ Pin1 in BRAF(V600E)-driven metastatic melanoma cells impaired both FOXM1 activity and cell survival. Importantly, cell-permeable Pin1-FOXM1-blocking peptides repressed the proliferation of melanoma cells in freshly isolated human metastatic melanoma ex vivo and in three-dimensional-cultured patient-derived melanoids. When combined with the BRAF(V600E)-inhibitor PLX4032 a robust repression in melanoid viability was obtained, establishing preclinical value of patient-derived melanoids for prognostic use of drug sensitivity and further underscoring the beneficial effect of Pin1-FOXM1 inhibitory peptides as anti-melanoma drugs. These proof-of-concept results provide a starting point for development of therapeutic Pin1-FOXM1 inhibitors to target metastatic melanoma.
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99
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Hartman ML, Talar B, Gajos-Michniewicz A, Czyz M. MCL-1, BCL-XL and MITF Are Diversely Employed in Adaptive Response of Melanoma Cells to Changes in Microenvironment. PLoS One 2015; 10:e0128796. [PMID: 26035829 PMCID: PMC4452715 DOI: 10.1371/journal.pone.0128796] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 04/30/2015] [Indexed: 01/07/2023] Open
Abstract
Melanoma cells can switch their phenotypes in response to microenvironmental insults. Heterogeneous melanoma populations characterized by long-term growth and a high self-renewal capacity can be obtained in vitro in EGF(+)bFGF(+) medium whilst invasive potential of melanoma cells is increased in serum-containing cultures. In the present study, we have shown that originally these patient-derived melanoma populations exhibit variable expression of pro-survival genes from the BCL-2 family and inhibitors of apoptosis (IAPs), and differ in the baseline MCL-1 transcript stability as well. While being transferred to serum-containing medium, melanoma cells are well protected from death. Immediate adaptive response of melanoma cells selectively involves a temporary MCL-1 increase, both at mRNA and protein levels, and BCL-XL can complement MCL-1, especially in MITFlow populations. Thus, the extent of MCL-1 and BCL-XL contributions seems to be cell context-dependent. An increase in MCL-1 level results from a transiently enhanced stability of its transcript, but not from altered protein turnover. Inhibition of MCL-1 preceding transfer to serum-containing medium caused the induction of cell death in a subset of melanoma cells, which confirms the involvement of MCL-1 in melanoma cell survival during the rapid alteration of growth conditions. Additionally, immediate response to serum involves the transient increase in MITF expression and inhibition of ERK-1/2 activity. Uncovering the mechanisms of adaptive response to rapid changes in microenvironment may extend our knowledge on melanoma biology, especially at the stage of dissemination.
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Affiliation(s)
- Mariusz L. Hartman
- Department of Molecular Biology of Cancer, Medical University of Lodz, Lodz, Poland
| | - Beata Talar
- Department of Molecular Biology of Cancer, Medical University of Lodz, Lodz, Poland
| | | | - Malgorzata Czyz
- Department of Molecular Biology of Cancer, Medical University of Lodz, Lodz, Poland
- * E-mail:
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100
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Meierjohann S. Hypoxia-independent drivers of melanoma angiogenesis. Front Oncol 2015; 5:102. [PMID: 26000250 PMCID: PMC4419834 DOI: 10.3389/fonc.2015.00102] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Accepted: 04/15/2015] [Indexed: 12/28/2022] Open
Abstract
Tumor angiogenesis is a process which is traditionally regarded as the tumor’s response to low nutrient supply occurring under hypoxic conditions. However, hypoxia is not a pre-requisite for angiogenesis. The fact that even single tumor cells or small tumor cell aggregates are capable of attracting blood vessels reveals the early metastatic capability of tumor cells. This review sheds light on the hypoxia-independent mechanisms of tumor angiogenesis in melanoma.
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Affiliation(s)
- Svenja Meierjohann
- Department of Physiological Chemistry, Biocenter, University of Würzburg , Würzburg , Germany ; Comprehensive Cancer Center Mainfranken, University Hospital Würzburg , Würzburg , Germany
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