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A Necroptosis-Related Gene Signature to Predict the Prognosis of Skin Cutaneous Melanoma. DISEASE MARKERS 2022; 2022:8232024. [DOI: 10.1155/2022/8232024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/26/2022] [Accepted: 11/01/2022] [Indexed: 11/18/2022]
Abstract
The prognosis of skin cutaneous melanoma (SKCM) remains poor, and patients with SKCM show a poor response to immunotherapy. Thus, we aimed to identify necroptosis-related biomarkers, which can help predict the prognosis of SKCM and improve the effectiveness of precision medicine. Data of SKCM were obtained from The Cancer Genome Atlas (TCGA) and GEO databases. TCGA samples were classified into two clusters by consensus clustering of necroptosis-related genes. Univariate Cox and least absolute shrinkage and selection operator regression analyses led to the identification of 11 genes, which were used to construct a prognostic model. GSE65904 was used as the test set. Principal component, t-distributed stochastic neighbor embedding, and Kaplan–Meier survival analyses indicated that samples in the train and test sets could be divided into two groups, with the high-risk group showing a worse prognosis. Univariate and multivariate Cox regression analyses were performed, and a nomogram, calibration curve, and time-dependent receiver operating characteristic curve were constructed to verify the efficacy of our model. The 1-, 3-, and 5-year areas under the receiver operating characteristic curves for the train set were 0.702, 0.663, and 0.701 and for the test set were 0.613, 0.627, and 0.637, respectively. Moreover, we performed Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analyses between the high- and low-risk groups. Single sample gene set enrichment analysis, immune cell infiltration analysis, tumor microenvironment scores, immune checkpoint analysis, and half-maximal inhibitory concentration prediction indicated that the high-risk group showed weaker antitumor immunity; further, the response to immune checkpoint inhibitors was worse, and the high-risk group was sensitive to fewer antitumor drugs. Tumor mutational burden analysis, Kaplan–Meier survival analysis, and correlation analysis between risk score and RNA stemness score revealed that the high-risk group with low tumor mutational burden and high RNA stemness score was potentially associated with poor prognosis. To conclude, our model, which was based on 11 necroptosis-related genes, could predict the prognosis of SKCM; in addition, it has guiding significance for the selection of clinical treatment and provides new research directions to enhance necroptosis against SKCM.
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Zhao Q, Wang T, Wang H, Cui C, Zhong W, Fu D, Xi W, Si L, Guo J, Cheng Y, Tian H, Hu P. Phase I pharmacokinetic study of an oral, small-molecule MEK inhibitor tunlametinib in patients with advanced NRAS mutant melanoma. Front Pharmacol 2022; 13:1039416. [PMID: 36386136 PMCID: PMC9663925 DOI: 10.3389/fphar.2022.1039416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 10/19/2022] [Indexed: 11/05/2022] Open
Abstract
Background: Malignant melanoma is an aggressive disease. Tunlametinib (HL-085) is a potent, selective, and orally bioavailable MEK1/2 inhibitor. The objective of this study was to determine the pharmacokinetics (PK) of tunlametinib and its main metabolite M8 in patients with NRAS-mutant melanoma following a single dose and multiple doses in a phase I safety and PK study. Methods: A multiple-center phase I study was performed in patients with melanoma including dose-escalation phase and dose-expansion phase. PK following a single oral dose and multiple doses of 0.5–18 mg twice daily was assessed. Results: A total of 30 participants were included in the dose escalation phase and then 11 patients were included in the dose-expansion phase (12 mg twice daily). Tunlametinib plasma concentration rapidly increased after dosing, with a Tmax of 0.5–1 h. Mean elimination half-life (t1/2) was dose-independent and had a range from 21.84 to 34.41 h. Mean apparent clearance (CL/F) and distribution volume (V/F) were 28.44–51.93 L/h and 1199.36–2009.26 L, respectively. The average accumulation ratios of AUC and Cmax after the multiple administration of tunlametinib were 1.64–2.73 and 0.82–2.49, respectively. Tunlametinib was rapidly transformed into the main metabolite M8 and M8 reached the peak concentration about 1 h after administration. Mean t1/2 of M8 was 6.1–33.54 h. The body exposure of M8 in plasma was 36%–67% of that of tunlametinib. There were general dose-proportional increases in maximum concentration (Cmax) and area under the curve (AUC) of tunlametinib and M8 both in the single dose phase and in the multiple doses phase. Conclusion: Tunlametinib was absorbed rapidly and eliminated at a medium speed after drug withdrawal. Pharmacokinetic body exposure increased in general dose-proportional manner from 0.5 mg up to 18 mg. Slight accumulation was found after multiple oral doses. The pharmacokinetics of tunlametinib and its metabolite suggest that twice daily dosing is appropriate for tunlametinib.
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Affiliation(s)
- Qian Zhao
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK and PD Investigation for Innovative Drugs, Beijing, China
| | - Teng Wang
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK and PD Investigation for Innovative Drugs, Beijing, China
| | - Huanhuan Wang
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK and PD Investigation for Innovative Drugs, Beijing, China
| | - Cheng Cui
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK and PD Investigation for Innovative Drugs, Beijing, China
| | - Wen Zhong
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK and PD Investigation for Innovative Drugs, Beijing, China
| | - Diyi Fu
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK and PD Investigation for Innovative Drugs, Beijing, China
| | - Wanlin Xi
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK and PD Investigation for Innovative Drugs, Beijing, China
| | - Lu Si
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Research Institute, Beijing, China
| | - Jun Guo
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Research Institute, Beijing, China
| | - Ying Cheng
- Shanghai KeChow Pharma, Inc., Shanghai, China
| | - Hongqi Tian
- Shanghai KeChow Pharma, Inc., Shanghai, China
| | - Pei Hu
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK and PD Investigation for Innovative Drugs, Beijing, China
- *Correspondence: Pei Hu,
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Li Y, He G, Fu LH, Younis MR, He T, Chen Y, Lin J, Li Z, Huang P. A Microneedle Patch with Self-Oxygenation and Glutathione Depletion for Repeatable Photodynamic Therapy. ACS NANO 2022; 16:17298-17312. [PMID: 36166667 DOI: 10.1021/acsnano.2c08098] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Photodynamic therapy (PDT) has attained extensive attention as a noninvasive tumor treatment modality. However, the hypoxia in solid tumors, skin phototoxicity of "always on" photosensitizers (PSs), and abundant supply of glutathione (GSH) in cancer cells severely hampered the clinical applications of PDT. Herein, a self-oxygenation nanoplatform (denoted as CZCH) with GSH depletion ability was encapsulated into the hyaluronic acid microneedle patch (MN-CZCH) to simultaneously improve the biosafety and therapeutic efficacy of PDT. The Cu2+-doped porous zeolitic imidazolate framework incorporated with catalase (CAT) is capable of efficiently loading PS 2-(1-hexyloxyethyl)-2-divinylpyropheophorbic-a (HPPH). The CZCH intermingled MN patch (MN-CZCH) could effectively penetrate the stratum corneum, topically transport HPPH to the target tumor site, achieve a long tumor retention time, and enhance the efficacy of PDT via the simultaneously synergistic effect of CAT-catalyzed self-supplying O2 and Cu2+-mediated GSH depletion. Using traceable fluorescence (FL) imaging of the released HPPH from CZCH, the FL imaging-guided repeatable PDT can be achieved for enhanced antitumor efficacy. As a result, the MN-CZCH patch exhibited excellent therapeutic efficacy against melanoma with minimal toxicity, which has promising potential for cancer theranostics.
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Affiliation(s)
- Yashi Li
- Department of Dermatology and Venereology, Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
- Marshall Laboratory of Biomedical Engineering, International Cancer Center, Laboratory of Evolutionary Theranostics (LET), School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen 518060, China
| | - Gang He
- Marshall Laboratory of Biomedical Engineering, International Cancer Center, Laboratory of Evolutionary Theranostics (LET), School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen 518060, China
| | - Lian-Hua Fu
- Marshall Laboratory of Biomedical Engineering, International Cancer Center, Laboratory of Evolutionary Theranostics (LET), School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen 518060, China
| | - Muhammad Rizwan Younis
- Marshall Laboratory of Biomedical Engineering, International Cancer Center, Laboratory of Evolutionary Theranostics (LET), School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen 518060, China
| | - Ting He
- Marshall Laboratory of Biomedical Engineering, International Cancer Center, Laboratory of Evolutionary Theranostics (LET), School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen 518060, China
| | - Yunzhi Chen
- Department of Dermatology and Venereology, Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Jing Lin
- Department of Dermatology and Venereology, Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
- Marshall Laboratory of Biomedical Engineering, International Cancer Center, Laboratory of Evolutionary Theranostics (LET), School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen 518060, China
| | - Zhiming Li
- Department of Dermatology and Venereology, Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Peng Huang
- Department of Dermatology and Venereology, Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
- Marshall Laboratory of Biomedical Engineering, International Cancer Center, Laboratory of Evolutionary Theranostics (LET), School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen 518060, China
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104
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Liu S, Fan Y, Li K, Zhang H, Wang X, Ju R, Huang L, Duan M, Zhou F. Integration of lncRNAs, Protein-Coding Genes and Pathology Images for Detecting Metastatic Melanoma. Genes (Basel) 2022; 13:genes13101916. [PMID: 36292801 PMCID: PMC9602061 DOI: 10.3390/genes13101916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/16/2022] [Accepted: 10/18/2022] [Indexed: 11/04/2022] Open
Abstract
Melanoma is a lethal skin disease that develops from moles. This study aimed to integrate multimodal data to predict metastatic melanoma, which is highly aggressive and difficult to treat. The proposed EnsembleSKCM method evaluated the prediction performances of long noncoding RNAs (lncRNAs), protein-coding messenger genes (mRNAs) and pathology images (images) for metastatic melanoma. Feature selection was used to screen for metastatic biomarkers in the lncRNA and mRNA datasets. The integrated EnsembleSKCM model was built based on the weighted results of the lncRNA-, mRNA- and image-based models. EnsembleSKCM achieved 0.9444 in the prediction accuracy of metastatic melanoma and outperformed the single-modal prediction models based on the lncRNA, mRNA and image data. The experimental data suggest the importance of integrating the complementary information from the three data modalities. WGCNA was used to analyze the relationship of molecular-level features and image features, and the results show connections between them. Another cohort was used to validate our prediction.
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Affiliation(s)
- Shuai Liu
- College of Computer Science and Technology, and Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
| | - Yusi Fan
- College of Software, and Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
| | - Kewei Li
- College of Computer Science and Technology, and Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
| | - Haotian Zhang
- College of Computer Science and Technology, and Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
| | - Xi Wang
- College of Computer Science and Technology, and Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
| | - Ruofei Ju
- College of Computer Science and Technology, and Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
| | - Lan Huang
- College of Computer Science and Technology, and Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
| | - Meiyu Duan
- College of Computer Science and Technology, and Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
| | - Fengfeng Zhou
- College of Computer Science and Technology, and Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
- Correspondence: ; Tel./Fax: +86-431-8516-6024
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105
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A Machine Learning Workflow of Multiplexed Immunofluorescence Images to Interrogate Activator and Tolerogenic Profiles of Conventional Type 1 Dendritic Cells Infiltrating Melanomas of Disease-Free and Metastatic Patients. JOURNAL OF ONCOLOGY 2022; 2022:9775736. [PMID: 36276271 PMCID: PMC9581597 DOI: 10.1155/2022/9775736] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/29/2022] [Indexed: 11/18/2022]
Abstract
Melanoma is the deadliest form of skin cancer. Due to its high mutation rates, melanoma is a convenient model to study antitumor immune responses. Dendritic cells (DCs) play a key role in activating cytotoxic CD8+ T lymphocytes and directing them to kill tumor cells. Although there is evidence that DCs infiltrate melanomas, information about the profile of these cells, their activity states, and potential antitumor function remains unclear, particularly for conventional DCs type 1 (cDC1). Approaches to profiling tumor-infiltrating DCs are hindered by their diversity and the high number of signals that can affect their state of activation. Multiplexed immunofluorescence (mIF) allows the simultaneous analysis of multiple markers, but image-based analysis is time-consuming and often inconsistent among analysts. In this work, we evaluated several machine learning (ML) algorithms and established a workflow of nine-parameter image analysis that allowed us to study cDC1s in a reproducible and accessible manner. Using this workflow, we compared melanoma samples between disease-free and metastatic patients at diagnosis. We observed that cDC1s are more abundant in the tumor infiltrate of the former. Furthermore, cDC1s in disease-free patients exhibit an expression profile more congruent with an activator function: CD40highPD-L1low CD86+IL-12+. Although disease-free patients were also enriched with CD40−PD-L1+ cDC1s, these cells were also more compatible with an activator phenotype. The opposite was true for metastatic patients at diagnosis who were enriched for cDC1s with a more tolerogenic phenotype (CD40lowPD-L1highCD86−IL-12−IDO+). ML-based workflows like the one developed here can be used to analyze complex phenotypes of other immune cells and can be brought to laboratories with standard expertise and computer capacity.
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106
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Galectin-3 Is a Natural Binding Ligand of MCAM (CD146, MUC18) in Melanoma Cells and Their Interaction Promotes Melanoma Progression. Biomolecules 2022; 12:biom12101451. [PMID: 36291660 PMCID: PMC9599063 DOI: 10.3390/biom12101451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/03/2022] [Accepted: 10/07/2022] [Indexed: 11/16/2022] Open
Abstract
Melanoma cell adhesion molecule (MCAM, CD146, MUC18) is a heavily glycosylated transmembrane protein and a marker of melanoma metastasis. It is expressed in advanced primary melanoma and metastasis but rarely in benign naevi or normal melanocytes. More and more evidence has shown that activation of the MCAM on cell surface plays a vital role in melanoma progression and metastasis. However, the natural MCAM binding ligand that initiates MCAM activation in melanoma so far remains elusive. This study revealed that galectin-3, a galactoside-binding protein that is commonly overexpressed in many cancers including melanoma, is naturally associated with MCAM on the surface of both skin and uveal melanoma cells. Binding of galectin-3 to MCAM, via O-linked glycans on the MCAM, induces MCAM dimerization and clustering on cell surface and subsequent activation of downstream AKT signalling. This leads to the increases of a number of important steps in melanoma progression of cell proliferation, adhesion, migration, and invasion. Thus, galectin-3 is a natural binding ligand of MCAM in melanoma, and their interaction activates MCAM and promotes MCAM-mediated melanoma progression. Targeting the galectin-3–MCAM interaction may potentially be a useful therapeutic strategy for melanoma treatment.
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107
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Actualities in the Morphology and Immunohistochemistry of Cutaneous and Ocular Melanoma: What Lies Ahead? A Single-Centre Study. Biomedicines 2022; 10:biomedicines10102500. [PMID: 36289768 PMCID: PMC9599614 DOI: 10.3390/biomedicines10102500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/29/2022] [Accepted: 10/03/2022] [Indexed: 11/16/2022] Open
Abstract
Melanoma is the most aggressive melanocytic tumor whose incidence is continuously increasing worldwide. METHODS We highlight the morphological, immunohistochemistry, and particularities of various melanoma types based on the cases diagnosed in our department from 2017 to 2021. RESULTS We present 100 melanoma cases and one capsular nevus case. The most common type was nodular melanoma. The immunohistochemistry markers used were SRY-box transcription factor 10 (SOX10), S100 protein, human melanoma black 45 (HMB45), and melanoma antigen recognized by T cells 1 (Melan-A). Uveal melanoma and conjunctival melanoma represent particular tumors with independent prognostic factors. Uveal melanoma requires assessment of macrophages, microvascularisation, and mitoses. Sentinel lymph node metastases are essential targets that provide staging tools. Conjunctival melanoma and capsular nevi are diagnostic pitfalls. CONCLUSION Melanoma can appear in various forms, and sometimes the diagnosis might be unclear. Today, immunohistochemistry remains the most important tool in confirming the diagnosis and prognosis for this type of neoplasia.
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108
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Krishnan A, Bhasker AI, Singh MK, Rodriguez CI, Castro-Pérez E, Altameemi S, Lares M, Khan H, Ndiaye M, Ahmad N, Schieke SM, Setaluri V. EPAC Regulates Melanoma Growth by Stimulating mTORC1 Signaling and Loss of EPAC Signaling Dependence Correlates with Melanoma Progression. Mol Cancer Res 2022; 20:1548-1560. [PMID: 35834616 PMCID: PMC9532357 DOI: 10.1158/1541-7786.mcr-22-0026] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 06/02/2022] [Accepted: 07/08/2022] [Indexed: 11/16/2022]
Abstract
Exchange proteins directly activated by cAMP (EPAC) belong to a family of RAP guanine nucleotide exchange factors (RAPGEF). EPAC1/2 (RAPGEF3/4) activates RAP1 and the alternative cAMP signaling pathway. We previously showed that the differential growth response of primary and metastatic melanoma cells to cAMP is mediated by EPAC. However, the mechanisms responsible for this differential response to EPAC signaling are not understood. In this study, we show that pharmacologic inhibition or siRNA-mediated knockdown of EPAC selectively inhibits the growth and survival of primary melanoma cells by downregulation of cell-cycle proteins and inhibiting the cell-cycle progression independent of ERK1/2 phosphorylation. EPAC inhibition results in upregulation of AKT phosphorylation but a downregulation of mTORC1 activity and its downstream effectors. We also show that EPAC regulates both glycolysis and oxidative phosphorylation, and production of mitochondrial reactive oxygen species, preferentially in primary melanoma cells. Employing a series of genetically matched primary and lymph node metastatic (LNM) melanoma cells, and distant organ metastatic melanoma cells, we show that the LNM and metastatic melanoma cells become progressively less responsive and refractory to EPAC inhibition suggesting loss of dependency on EPAC signaling correlates with melanoma progression. Analysis of The Cancer Genome Atlas dataset showed that lower RAPGEF3, RAPGEF4 mRNA expression in primary tumor is a predictor of better disease-free survival of patients diagnosed with primary melanoma suggesting that EPAC signaling facilitates tumor progression and EPAC is a useful prognostic marker. These data highlight EPAC signaling as a potential target for prevention of melanoma progression. IMPLICATIONS This study establishes loss of dependency on EPAC-mTORC1 signaling as hallmark of primary melanoma evolution and targeting this escape mechanism is a promising strategy for metastatic melanoma.
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Affiliation(s)
- Aishwarya Krishnan
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
| | - Aishwarya I. Bhasker
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
| | - Mithalesh K. Singh
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
| | - Carlos. I. Rodriguez
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
| | - Edgardo Castro-Pérez
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
| | - Sarah Altameemi
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
| | - Marcos Lares
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
| | - Hamidullah Khan
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
| | - Mary Ndiaye
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
| | - Nihal Ahmad
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
- William S. Middleton Memorial Veterans Hospital, Madison, WI, 53705
| | - Stefan M. Schieke
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
- William S. Middleton Memorial Veterans Hospital, Madison, WI, 53705
| | - Vijayasaradhi Setaluri
- Department of Dermatology, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, WI, 53705
- William S. Middleton Memorial Veterans Hospital, Madison, WI, 53705
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Tachibana K, Ohkawa Y, Kanto N, Maeda K, Ohe S, Isei T, Harada Y, Taniguchi N. The expression of keratan sulfate in malignant melanoma enhances the adhesion and invasion activity of melanoma cells. J Dermatol 2022; 49:1027-1036. [PMID: 35811379 DOI: 10.1111/1346-8138.16506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 05/29/2022] [Accepted: 06/13/2022] [Indexed: 11/29/2022]
Abstract
Mammals express a wide variety of glycans that include N-glycans, O-glycans, proteoglycans, glycolipids, etc. Glycan expression can modulate the cellular functions, and hence is strongly involved in the onset and progression of numerous diseases. Here, we report the relevance of the ectopic expression of keratan sulfate (KS) glycan chains in human malignant melanomas. Using a human melanoma cell line, we found that the KS enhanced the invasiveness of the cells but caused no change in the growth rate of the cells. The phosphorylation of paxillin, a focal adhesion-associated adaptor protein, was strong at the region where KS was expressed in the melanoma tissues, indicating that KS stimulated the phosphorylation of paxillin. We also observed that KS enhanced the adhesion of melanoma cells and this was accompanied by a greatly increased level of phosphorylation of paxillin. These data suggest that the expression of KS contributes to the development of malignant phenotypes such as strong cell adhesion and the invasiveness of melanoma cells.
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Affiliation(s)
- Kota Tachibana
- Department of Dermatologic Oncology, Osaka International Cancer Institute, Osaka, Japan
- Department of Dermatology, Dentistry and Pharmaceutical Science, Okayama University Graduate School of Medicine, Okayama, Japan
| | - Yuki Ohkawa
- Department of Glyco-Oncology and Medical Biochemistry, Osaka International Cancer Institute, Osaka, Japan
| | - Noriko Kanto
- Department of Glyco-Oncology and Medical Biochemistry, Osaka International Cancer Institute, Osaka, Japan
| | - Kento Maeda
- Department of Glyco-Oncology and Medical Biochemistry, Osaka International Cancer Institute, Osaka, Japan
| | - Shuichi Ohe
- Department of Dermatologic Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Taiki Isei
- Department of Dermatologic Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Yoichiro Harada
- Department of Glyco-Oncology and Medical Biochemistry, Osaka International Cancer Institute, Osaka, Japan
| | - Naoyuki Taniguchi
- Department of Glyco-Oncology and Medical Biochemistry, Osaka International Cancer Institute, Osaka, Japan
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Risk of Cardiovascular Disease Death in Older Malignant Melanoma Patients: A Population-Based Study. Cancers (Basel) 2022; 14:cancers14194783. [PMID: 36230706 PMCID: PMC9563114 DOI: 10.3390/cancers14194783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/26/2022] [Accepted: 09/27/2022] [Indexed: 12/02/2022] Open
Abstract
Noncancer deaths account for a large proportion of deaths in patients with malignant melanoma (MM), but the risk of cardiovascular disease (CVD) death in older MM patients remains unclear. This study aimed to estimate the risk of CVD death in older MM patients. Data on older MM patients were obtained in the Surveillance, Epidemiology, and End Results database. Risk of CVD death was calculated by standardized mortality rates (SMRs), cumulative mortality and proportion of different causes of death. MM patients had a higher risk of CVD death than general populations (SMR = 1.98; 95% CI 1.93−2.03, p < 0.001). CVD death was more common in MM patients who were diagnosed at age 85 or older, had a localized stage, were white, had surgical treatment, had a primary head/neck/upper limb site and had a low-grade and superficial spreading/lentigo malignant pathologic type. Cumulative CVD mortality was more common than primary cancer in all older age groups, male or female, and patients with localized-stage disease. Other than primary cancer, CVD was the main cause of death in older patients diagnosed with MM. Our findings highlight CVD death is an important competing event of deaths in older MM patients, and more attention should be paid to reducing CVD death to improve survival.
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111
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Xu L, Chen Y, Zhang P, Tang J, Xue Y, Luo H, Dai R, Jin J, Liu J. 3D printed heterogeneous hybrid hydrogel scaffolds for sequential tumor photothermal-chemotherapy and wound healing. Biomater Sci 2022; 10:5648-5661. [PMID: 35994007 DOI: 10.1039/d2bm00903j] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Surgical resection remains the mainstay of melanoma treatment. However, due to the difficulties in controlling tumor recurrence and wound healing simultaneously, high postoperative recurrence rates and wound reconstruction remain the most significant challenges. As a result, a heterogeneous hybrid hydrogel scaffold was designed in this work to achieve sequential photothermal therapy and chemotherapy for melanoma recurrence inhibition and wound healing. A 3D printing platform was used to create a SA-GG@PDA hybrid hydrogel scaffold, which was prepared from a hybrid bioink consisting of sodium alginate (SA), gellan gum (GG), and polydopamine nanoparticles (PDA NPs). The printability, biocompatibility, and mechanical qualities of the hybrid bioink were all satisfactory. PDA NPs were generated in situ in the hybrid bioink, providing superior photothermal effects to the scaffold. After coating with a thermosensitive gelatin hydrogel loaded with the chemotherapeutic drug doxorubicin (DOX), the heterogeneous hydrogel scaffold could accelerate drug release under photothermal triggering and achieve photothermal-chemotherapy to suppress tumor cell proliferation and recurrence after surgical resection. Subsequently, the printed porous hybrid hydrogel scaffold enhanced HUVEC proliferation and migration, as well as tissue ingrowth, promoting wound healing following surgery. In the same mouse model, the sequential treatment with the heterogeneous SA-GG@PDA + DOX hydrogel scaffold was tested. The fabrication of the heterogeneous SA-GG@PDA + DOX hydrogel scaffold with multifunctional capabilities seemed to be a potential technique for preventing tumor recurrence and promoting wound healing following surgery.
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Affiliation(s)
- Langtao Xu
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, 510006, China.
| | - You Chen
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, 510006, China.
| | - Peng Zhang
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, 510006, China.
| | - Junjie Tang
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, 510006, China.
| | - Yifan Xue
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, 510006, China.
| | - Hongsheng Luo
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, 510006, China.
| | - Rui Dai
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, 510006, China.
| | - Jinlong Jin
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, 510006, China.
| | - Jie Liu
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, 510006, China.
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112
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Rossato Viana A, Godoy Noro B, Lenz JC, Luiza Machado Teixeira M, Bolson Serafin M, Hörner R, Franco C, Maria Fontanari Krause L, Stefanello Vizzotto B, Jalfim Maraschin B. Cytotoxic screening and antibacterial activity of Withaferin A. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2022; 85:685-698. [PMID: 35579288 DOI: 10.1080/15287394.2022.2071787] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Cancer and bacterial infections are among the leading causes of death worldwide. Plant-derived bioactive compounds constitute promising alternatives for development of new therapeutics. This study aimed at evaluating the biological activity of Withaferin A using 6 tumor cell lines: A549 (lung cancer), U87MG (glioblastoma), SH-SY5Y (neuroblastoma), B16-F10 (mouse melanoma), HeLa (uterine colon cancer) and K562 (chronic myeloid leukemia). In addition, 17 other standard bacterial strains and several multidrug resistant bacteria (MDR) clinical isolates were examined. Cell viability was assessed using the following assays: MTT, neutral red, and dsDNA PicoGreen®. Further, oxidative stress was measured by quantification of reactive oxygen species (ROS) production. The activity against bacteria was determined by the minimum inhibitory concentration (MIC), minimum bacterial concentration (CBM) and antibiofilm activity in the production of strains. Withaferin A was effective, as evidenced by its cytotoxic activity in tumor cell lines, enhanced ROS production in tumor cells and bactericidal and antibiofilm activity. Data demonstrated that Withaferin A may be therapeutically considered as an antitumor and antibacterial agent.
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Affiliation(s)
- Altevir Rossato Viana
- Programa de Pós-graduação em Nanociências, Universidade Franciscana, Santa Maria, Brasil
| | - B Godoy Noro
- Curso de Biomedicina, Universidade Franciscana, Santa Maria, Brasil
| | - J C Lenz
- Curso de Biomedicina, Universidade Franciscana, Santa Maria, Brasil
| | | | - M Bolson Serafin
- Programa de Pós-graduação em Ciências Farmacêutica, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, Brasil
| | - R Hörner
- Programa de Pós-graduação em Ciências Farmacêutica, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, Brasil
| | - C Franco
- Mestrado em Ciências da Saúde e da Vida, Universidade Franciscana, Santa Maria, Brasil
| | | | - B Stefanello Vizzotto
- Programa de Pós-graduação em Nanociências, Universidade Franciscana, Santa Maria, Brasil
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113
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Rai RK, Karri R, Dubey KD, Roy G. Regulation of Tyrosinase Enzyme Activity by Glutathione Peroxidase Mimics. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:9730-9747. [PMID: 35861245 DOI: 10.1021/acs.jafc.2c02359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Hydrogen peroxide plays a crucial role in the melanogenesis process by regulating the activity of the key melanin-forming enzyme tyrosinase, responsible for the browning of fruits, vegetables, and seafood. Therefore, a molecule with dual activities, both efficient tyrosinase inhibition and strong hydrogen peroxide degrading ability, may act as a promising antibrowning agent. Herein, we report highly efficient selone-based mushroom tyrosinase inhibitors 2 and 3 with remarkable glutathione peroxidase (GPx) enzyme-like activity. The presence of benzimidazole moiety enhances the tyrosinase inhibition efficiency of selone 2 (IC50 = 0.4 μM) by almost 600 times higher than imidazole-based selone 1 (IC50 = 238 μM). Interestingly, the addition of another aromatic ring to the benzimidazole moiety has led to the development of an efficient lipid-soluble tyrosinase inhibitor 3 (IC50 = 2.4 μM). The selenium center and the -NH group of 2 and 3 are extremely crucial to exhibit high GPx-like activity and tyrosinase inhibition potency. The hydrophobic moiety of the inhibitors (2 and 3) further assists them in tightly binding at the active site of the enzyme and facilitates the C═Se group to strongly coordinate with the copper ions. Inhibitor 2 exhibited excellent antibrowning and polyphenol oxidase inhibition properties in banana and apple juice extracts.
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Affiliation(s)
- Rakesh Kumar Rai
- Department of Chemistry, Indian Institute of Technology Tirupati, Tirupati, Andhra Pradesh 517506, India
| | - Ramesh Karri
- Department of Chemistry, School of Natural Sciences, Shiv Nadar University, Gautam Buddha Nagar, Uttar Pradesh 201314, India
| | - Kshatresh Dutta Dubey
- Department of Chemistry, School of Natural Sciences, Shiv Nadar University, Gautam Buddha Nagar, Uttar Pradesh 201314, India
| | - Gouriprasanna Roy
- Department of Chemistry, Indian Institute of Technology Tirupati, Tirupati, Andhra Pradesh 517506, India
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114
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Falotico JM, Lipner SR. The pharmacotherapeutic management of nail unit and acral melanomas. Expert Opin Pharmacother 2022; 23:1273-1289. [PMID: 35702037 DOI: 10.1080/14656566.2022.2088279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 06/07/2022] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Acral and nail unit melanomas are rare subtypes of melanoma, which have poor prognoses. Current guidelines for optimal treatment are lacking. Recent clinical trials have evaluated new pharmacotherapeutic agents for melanoma treatment, with dramatically improved survival rates; however, studies on acral and nail unit melanomas are limited in comparison to trials on cutaneous melanoma. AREAS COVERED This is a comprehensive review of the literature regarding the available treatment options for acral and nail unit melanomas, with consideration of safety and tolerability. EXPERT OPINION Programmed cell death protein 1 inhibitors are more efficacious than cytotoxic T lymphocyte-associated antigen-4 blockers in acral and nail unit melanomas, although both are well-tolerated. Tyrosine kinase inhibitors have good clinical activity, however, data on safety is relatively limited. There is minimal data on high dose interferon α-2b and cyclin-dependent kinase 4 and 6 inhibitors, and efficacy and safety must be evaluated in future trials before they can be recommended for use in this patient population. Prospective clinical trials on acral and nail unit melanomas are lacking, and must be performed in large patient populations, with international collaboration likely necessary in order to enroll adequate participants.
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Affiliation(s)
- Julianne M Falotico
- Renaissance School of Medicine at Stony Brook University, Stony Brook, NY, USA
| | - Shari R Lipner
- Department of Dermatology, Weill Cornell Medicine, New York, NY, USA
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115
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Gonzalez Malagon SG, Liu KJ. Linking neural crest development to neuroblastoma pathology. Development 2022; 149:276149. [DOI: 10.1242/dev.200331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
ABSTRACT
Although rare, childhood (paediatric) cancers are a major cause of death in young children. Unlike many adult cancers, paediatric cancers, such as neuroblastoma (NB), are developmental diseases that rarely show genetic predispositions. NB is the most common extracranial solid tumour in children, accounting for ∼15% of paediatric cancer deaths. This heterogeneous cancer arises from undifferentiated neural crest-derived progenitor cells. As neural crest cells are multipotent and migratory, they are often considered the embryonic paradigm of cancer stem cells. However, very little is known about the events that trigger tumour initiation and progression. Here, we discuss recent insights into sympathoadrenal lineage specification, as well as genetic factors associated with NB. With this in mind, we consider the molecular underpinnings of NB in the context of developmental trajectories of the neural crest lineage. This allows us to compare distinct subtypes of the disease and gene-function interactions during sensitive phases of neural crest development.
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Affiliation(s)
- Sandra Guadalupe Gonzalez Malagon
- Biomedical Research Institute, Foundation for Research and Technology, University of Ioannina Campus 1 , 45115 Ioannina , Greece
- School of Health Sciences and Institute of Biosciences, University Research Centre, University of Ioannina 2 Department of Biological Applications and Technology , , 45110 Ioannina , Greece
| | - Karen J. Liu
- Centre for Craniofacial and Regenerative Biology, King's College London 3 , London SE1 9RT , UK
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Song B, Wu P, Liang Z, Wang J, Zheng Y, Wang Y, Chi H, Li Z, Song Y, Yin X, Yu Z, Song B. A Novel Necroptosis-Related Gene Signature in Skin Cutaneous Melanoma Prognosis and Tumor Microenvironment. Front Genet 2022; 13:917007. [PMID: 35899194 PMCID: PMC9309482 DOI: 10.3389/fgene.2022.917007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 06/09/2022] [Indexed: 11/28/2022] Open
Abstract
Background: Necroptosis has been identified recently as a newly recognized programmed cell death that has an impact on tumor progression and prognosis, although the necroptosis-related gene (NRGs) potential prognostic value in skin cutaneous melanoma (SKCM) has not been identified. The aim of this study was to construct a prognostic model of SKCM through NRGs in order to help SKCM patients obtain precise clinical treatment strategies. Methods: RNA sequencing data collected from The Cancer Genome Atlas (TCGA) were used to identify differentially expressed and prognostic NRGs in SKCM. Depending on 10 NRGs via the univariate Cox regression analysis usage and LASSO algorithm, the prognostic risk model had been built. It was further validated by the Gene Expression Omnibus (GEO) database. The prognostic model performance had been assessed using receiver operating characteristic (ROC) curves. We evaluated the predictive power of the prognostic model for tumor microenvironment (TME) and immunotherapy response. Results: We constructed a prognostic model based on 10 NRGs (FASLG, TLR3, ZBP1, TNFRSF1B, USP22, PLK1, GATA3, EGFR, TARDBP, and TNFRSF21) and classified patients into two high- and low-risk groups based on risk scores. The risk score was considered a predictive factor in the two risk groups regarding the Cox regression analysis. A predictive nomogram had been built for providing a more beneficial prognostic indicator for the clinic. Functional enrichment analysis showed significant enrichment of immune-related signaling pathways, a higher degree of immune cell infiltration in the low-risk group than in the high-risk group, a negative correlation between risk scores and most immune checkpoint inhibitors (ICIs), anticancer immunity steps, and a more sensitive response to immunotherapy in the low-risk group. Conclusions: This risk score signature could be applied to assess the prognosis and classify low- and high-risk SKCM patients and help make the immunotherapeutic strategy decision.
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Affiliation(s)
- Binyu Song
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Pingfan Wu
- Department of Burn and Plastic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhen Liang
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jianzhang Wang
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Yu Zheng
- Hospital for Skin Disease (Institute of Dermatology), Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Yuanyong Wang
- Department of Thoracic Surgery, Tangdu Hospital of Air Force Military Medical University, Xi'an, China
| | - Hao Chi
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Zichao Li
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Yajuan Song
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xisheng Yin
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Zhou Yu
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
- *Correspondence: Zhou Yu, ; Baoqiang Song,
| | - Baoqiang Song
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
- *Correspondence: Zhou Yu, ; Baoqiang Song,
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Biomimetic Nanotherapeutics: Employing Nanoghosts to fight Melanoma. Eur J Pharm Biopharm 2022; 177:157-174. [PMID: 35787429 DOI: 10.1016/j.ejpb.2022.06.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/09/2022] [Accepted: 06/28/2022] [Indexed: 12/12/2022]
Abstract
Melanoma is a cancer of melanocytes present at the basal layer of the skin. Nanomedicine has armed us with competent platform to manage such fatal neoplastic diseases. Nevertheless, it suffers from numerous pitfalls such as rapid clearance and opsonization of surface-functionalized carriers, biocompatibility and idiopathic reactions which could be difficult to predict in the patient. Biomimetic approach, a novel step towards personalized medicine bridges these drawbacks by employing endogenous cell membranes to traverse physiological barriers. Camouflaged carriers coated with natural cell membranes possess unique characteristics such as high circulatory periods, and the absence of allogenic and xenogenic responses. Proteins residing on the cell membranes render a diverse range of utilities to the coated nanoparticles including natural efficiency to identify cellular targets, homologous targeting, reticuloendothelial system evasion, biocompatibility and reduced adverse and idiopathic effects. In the present article, we have focused on cell membrane camouflaged nanocarriers for melanoma management. We have discussed various types of biomimetic systems, their processing and coating approaches, and their characterization. We have also enumerated novel avenues in melanoma treatment and the combination of biomimetic systems with smart nanoparticulate systems with the potential to bring breakthroughs in the near future. Additionally, immunotherapy-based biomimetic systems to combat melanoma have been highlighted. Hurdles towards clinical translation and ways to overcome them have been explained in detail.
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118
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LINC00518 Promotes Cell Malignant Behaviors via Influencing EIF4A3-Mediated mRNA Stability of MITF in Melanoma. BIOMED RESEARCH INTERNATIONAL 2022; 2022:3546795. [PMID: 35813236 PMCID: PMC9262545 DOI: 10.1155/2022/3546795] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/22/2022] [Accepted: 05/03/2022] [Indexed: 12/21/2022]
Abstract
Melanoma has become the most severe sort of skin cancer, deriving from the pigment-producing melanocytes. Existing research has validated that long noncoding RNAs (lncRNAs) have critical function in the progression of cancers. LINC00518 has been studied in cutaneous melanoma; however, the molecular mechanism of LINC00518 in melanoma needs in-depth investigation. In our study, LINC00518 was revealed to be upregulated in melanoma tissues and cells, and melanoma patients in high LINC00518 expression group had poorer prognosis as depicted in GEPIA database. Functional assays revealed that LINC00518 depletion inhibited cell proliferation, migration, invasion, and epithelial-mesenchymal transition (EMT). Furthermore, MITF was confirmed to be upregulated in melanoma tissues and cells, and melanoma patients in high MITF expression group had poorer prognosis as displayed in GEPIA database. MITF expression was positively connected to LINC00518 expression. Additionally, results of mechanism assays uncovered EIF4A3 could bind with LINC00518 and MITF, and LINC00518 recruited EIF4A3 to stabilize MITF mRNA. Finally, it was demonstrated that upregulation of MITF could partially abrogate the inhibitory impact of LINC00518 knockdown on melanoma cell malignant behaviors. To summarize, LINC00518 promotes the malignant processes of melanoma cells through targeting EIF4A3/MITF axis, which might provide novel potential biomarkers for melanoma prognosis.
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119
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Kyrylenko S, Gogotsi O, Baginskiy I, Balitskyi V, Zahorodna V, Husak Y, Yanko I, Pernakov M, Roshchupkin A, Lyndin M, Singer BB, Buranych V, Pogrebnjak A, Sulaieva O, Solodovnyk O, Gogotsi Y, Pogorielov M. MXene-Assisted Ablation of Cells with a Pulsed Near-Infrared Laser. ACS APPLIED MATERIALS & INTERFACES 2022; 14:28683-28696. [PMID: 35704779 DOI: 10.1021/acsami.2c08678] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Innovative therapies are urgently needed to combat cancer. Thermal ablation of tumor cells is a promising minimally invasive treatment option. Infrared light can penetrate human tissues and reach superficial malignancies. MXenes are a class of 2D materials that consist of carbides/nitrides of transition metals. The transverse surface plasmons of MXenes allow for efficient light absorption and light-to-heat conversion, making MXenes promising agents for photothermal therapy (PTT). To date, near-infrared (NIR) light lasers have been used in PTT studies explicitly in a continuous mode. We hypothesized that pulsed NIR lasers have certain advantages for the development of tailored PTT treatment targeting tumor cells. The pulsed lasers offer a wide range of controllable parameters, such as power density, duration of pulses, pulse frequency, and so on. Consequently, they can lower the total energy applied and enable the ablation of tumor cells while sparing adjacent healthy tissues. We show for the first time that a pulsed 1064 nm laser could be employed for selective ablation of cells loaded with Ti3C2Tx MXene. We demonstrate both low toxicity and good biocompatibility of this MXene in vitro, as well as a favorable safety profile based on the experiments in vivo. Furthermore, we analyze the interaction of MXene with cells in several cell lines and discuss possible artifacts of commonly used cellular metabolic assays in experiments with MXenes. Overall, these studies provide a basis for the development of efficient and safe protocols for minimally invasive therapies for certain tumors.
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Affiliation(s)
| | - Oleksiy Gogotsi
- Materials Research Centre, 3 Krzhizhanovskogo Street, Kyiv 03680, Ukraine
| | - Ivan Baginskiy
- Materials Research Centre, 3 Krzhizhanovskogo Street, Kyiv 03680, Ukraine
| | - Vitalii Balitskyi
- Materials Research Centre, 3 Krzhizhanovskogo Street, Kyiv 03680, Ukraine
| | - Veronika Zahorodna
- Materials Research Centre, 3 Krzhizhanovskogo Street, Kyiv 03680, Ukraine
| | - Yevheniia Husak
- Sumy State University, 31 Sanatorna Street, Sumy 40007, Ukraine
- Silesian University of Technology, 2A Akademicka Street, Gliwice 44-100, Poland
| | - Ilya Yanko
- Sumy State University, 31 Sanatorna Street, Sumy 40007, Ukraine
| | | | | | - Mykola Lyndin
- Sumy State University, 31 Sanatorna Street, Sumy 40007, Ukraine
| | - Bernhard B Singer
- Institute of Anatomy, Medical Faculty, University Duisburg-Essen, 171 Virchowstraße, Essen 45147, Germany
| | | | - Alexander Pogrebnjak
- Sumy State University, 31 Sanatorna Street, Sumy 40007, Ukraine
- Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
| | - Oksana Sulaieva
- Medical Laboratory CSD, 45 Vasylkivska Street, Kyiv 02000, Ukraine
| | - Oleksandr Solodovnyk
- Sumy State University, 31 Sanatorna Street, Sumy 40007, Ukraine
- VERBA MEDICAL LTD, 31A Lushpy Street, Sumy 40035, Ukraine
| | - Yury Gogotsi
- Sumy State University, 31 Sanatorna Street, Sumy 40007, Ukraine
- Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, United States
| | - Maksym Pogorielov
- Sumy State University, 31 Sanatorna Street, Sumy 40007, Ukraine
- University of Latvia, Institute of Atomic Physics and Spectroscopy, 3 Jelgavas Street, Riga LV-1004, Latvia
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Bakr MN, Takahashi H, Kikuchi Y. Analysis of Melanoma Gene Expression Signatures at the Single-Cell Level Uncovers 45-Gene Signature Related to Prognosis. Biomedicines 2022; 10:biomedicines10071478. [PMID: 35884783 PMCID: PMC9313451 DOI: 10.3390/biomedicines10071478] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/12/2022] [Accepted: 06/19/2022] [Indexed: 11/16/2022] Open
Abstract
Since the current melanoma clinicopathological staging system remains restricted to predicting survival outcomes, establishing precise prognostic targets is needed. Here, we used gene expression signature (GES) classification and Cox regression analyses to biologically characterize melanoma cells at the single-cell level and construct a prognosis-related gene signature for melanoma. By analyzing publicly available scRNA-seq data, we identified six distinct GESs (named: “Anti-apoptosis”, “Immune cell interactions”, “Melanogenesis”, “Ribosomal biogenesis”, “Extracellular structure organization”, and “Epithelial-Mesenchymal Transition (EMT)”). We verified these GESs in the bulk RNA-seq data of patients with skin cutaneous melanoma (SKCM) from The Cancer Genome Atlas (TCGA). Four GESs (“Immune cell interactions”, “Melanogenesis”, “Ribosomal biogenesis”, and “Extracellular structure organization”) were significantly correlated with prognosis (p = 1.08 × 10−5, p = 0.042, p = 0.001, and p = 0.031, respectively). We identified a prognostic signature of melanoma composed of 45 genes (MPS_45). MPS_45 was validated in TCGA-SKCM (HR = 1.82, p = 9.08 × 10−6) and three other melanoma datasets (GSE65904: HR = 1.73, p = 0.006; GSE19234: HR = 3.83, p = 0.002; and GSE53118: HR = 1.85, p = 0.037). MPS_45 was independently associated with survival (p = 0.002) and was proved to have a high potential for predicting prognosis in melanoma patients.
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Affiliation(s)
- Mohamed Nabil Bakr
- Department of Biological Science, Graduate School of Science, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan;
- National Institute of Oceanography and Fisheries (NIOF), Cairo 11516, Egypt
| | - Haruko Takahashi
- Department of Biological Science, Graduate School of Science, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan;
- Graduate School of Integrated Sciences for Life, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
- Correspondence: (H.T.); (Y.K.); Tel.: +81-82-424-7440 (Y.K.)
| | - Yutaka Kikuchi
- Department of Biological Science, Graduate School of Science, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan;
- Graduate School of Integrated Sciences for Life, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
- Correspondence: (H.T.); (Y.K.); Tel.: +81-82-424-7440 (Y.K.)
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Yuan B, Miao L, Mei D, Li L, Zhou Q, Dong D, Wang S, Zhu X, Xu S. Value of a Signature of Immune-Related Genes in Predicting the Prognosis of Melanoma and Its Responses to Immune Checkpoint Blocker Therapies. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:9633416. [PMID: 35770115 PMCID: PMC9236803 DOI: 10.1155/2022/9633416] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/24/2022] [Accepted: 05/30/2022] [Indexed: 11/25/2022]
Abstract
Melanoma is becoming increasingly common worldwide, with high rates of transformation into malignancy compared to other skin lesions. The prognosis of patients with melanoma at an advanced stage is highly unsatisfying despite the development of immunotherapy, target therapy, or combinative therapy. The major barrier to exploiting immune checkpoint therapies and achieving the best benefits clinically is resistance that can easily develop if regimens are not selected appropriately. In this study, we investigated the possibility of using immune-related genes to predict patient survival and their responses to immune checkpoint blocker therapies with the expression profiles available at The Cancer Genome Atlas (TCGA) Program plus expression data from the Gene Expression Omnibus (GEO) for validation. A five gene signature that is highly correlated with the local infiltration of cytotoxic lymphocytes in the tumor microenvironment was identified, and a scoring model was developed with stepwise regression after multivariate Cox analyses. The score calculated strongly correlates with Breslow depth, and this model effectively predicts the prognosis of patients with melanoma, whether primary or metastasized. It also depicts the heterogenous immune-related nature of melanoma by revealing different predicted responses to immune checkpoint blocker therapies through its correlation to tumor immune dysfunction and exclusion (TIDE) score.
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Affiliation(s)
- Bo Yuan
- Dermatology Department, The Affiliated Hospital of Medical School, Ningbo University, 247 Renmin Road, Jiangbei District, Ningbo 315020, China
| | - Linlin Miao
- Surgery Department, School of Medicine, Ningbo University, No. 818, Fenghua Road, Jiangbei District, Ningbo 315210, China
| | - Disen Mei
- Basic Medicine Experiment Center, School of Medicine, Ningbo University, 818 Fenghua Road, Jiangbei District, Ningbo 315211, China
| | - Lingzhi Li
- Dermatology Department, The Affiliated Hospital of Medical School, Ningbo University, 247 Renmin Road, Jiangbei District, Ningbo 315020, China
| | - Qiongyan Zhou
- Dermatology Department, The Affiliated Hospital of Medical School, Ningbo University, 247 Renmin Road, Jiangbei District, Ningbo 315020, China
| | - Dong Dong
- Plastic and Reconstructive Surgery Department, The Affiliated Hospital of Medical School, Ningbo University, 247 Renmin Road, Jiangbei District, Ningbo 315020, China
| | - Songting Wang
- Dermatology Department, The Affiliated Hospital of Medical School, Ningbo University, 247 Renmin Road, Jiangbei District, Ningbo 315020, China
| | - Xiaoxia Zhu
- Dermatology Department, The Affiliated Hospital of Medical School, Ningbo University, 247 Renmin Road, Jiangbei District, Ningbo 315020, China
| | - Suling Xu
- Dermatology Department, The Affiliated Hospital of Medical School, Ningbo University, 247 Renmin Road, Jiangbei District, Ningbo 315020, China
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Shen F, Sun L, Wang L, Peng R, Fan C, Liu Z. Framework Nucleic Acid Immune Adjuvant for Transdermal Delivery Based Chemo-immunotherapy for Malignant Melanoma Treatment. NANO LETTERS 2022; 22:4509-4518. [PMID: 35594186 DOI: 10.1021/acs.nanolett.2c01332] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Despite the tremendous progresses of cancer immunotherapy, its current clinical responses rate in melanoma remains to be improved. Here, we have reported a skin penetrating tetrahedral framework nucleic acid immune adjuvant (FNAIA) to transdermally deliver chemotherapy drugs into melanoma to induce the immunogenic death of tumor cells and expose tumor antigens, which with assistance of CpG oligodeoxynucleotide incorporated in FNAIA could trigger systemic tumor-specific immune responses. Compared with free CpG, FNAIA could penetrate deeper into subcutaneous tumor tissues and more effectively stimulate dendritic cell maturation. Notably, doxorubicin-loaded FNAIA locally applied on the intact skin above the melanoma could effectively inhibit the growth of mouse B16F10 melanoma and increase tumor CD8+ T cell infiltration. Moreover, combined with immune checkpoint inhibitor, the growth of distant tumors could also be effectively inhibited, suggesting that this strategy could induce systemic immune responses. Therefore, this work provides a new idea for non-invasive treatment of skin cancer.
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Affiliation(s)
- Fengyun Shen
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Lele Sun
- School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Lihua Wang
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
| | - Rui Peng
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Chunhai Fan
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 201240, China
| | - Zhuang Liu
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu 215123, China
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Pflugfelder A, Yong XLH, Jagirdar K, Eigentler TK, Soyer HP, Sturm RA, Flatz L, Duffy DL. Genome-Wide Association Study Suggests the Variant rs7551288*A within the DHCR24 Gene Is Associated with Poor Overall Survival in Melanoma Patients. Cancers (Basel) 2022; 14:cancers14102410. [PMID: 35626014 PMCID: PMC9139953 DOI: 10.3390/cancers14102410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/27/2022] [Accepted: 05/10/2022] [Indexed: 12/04/2022] Open
Abstract
Simple Summary The aim of this work was to investigate prognostic genetic factors in melanoma patients. Phenotypic and disease data as well as biomaterial were collected after informed consent from patients followed up in a Skin Cancer Center of a University clinic. Genome-wide analysis (GWAS) was performed with survival data of 556 melanoma patients and genetic data including more than 300,000 common polymorphisms. The SNP rs7551288 reached suggestive genome-wide significance (p = 2 × 10−6). This intronic variant of the DHCR24 gene is involved in the cholesterol synthesis pathway. Further analyses and a literature review suggest an important role of this locus for the clinical course of disease in melanoma patients. Abstract Melanoma incidence rates are high among individuals with fair skin and multiple naevi. Established prognostic factors are tumour specific, and less is known about prognostic host factors. A total of 556 stage I to stage IV melanoma patients from Germany with phenotypic and disease-specific data were analysed; 64 of these patients died of melanoma after a median follow-up time of 8 years. Germline DNA was assessed by the HumanCoreExome BeadChip and data of 356,384 common polymorphisms distributed over all 23 chromosomes were used for a genome-wide analysis. A suggestive genome-wide significant association of the intronic allele rs7551288*A with diminished melanoma-specific survival was detected (p = 2 × 10−6). The frequency of rs7551288*A was 0.43 and was not associated with melanoma risk, hair and eye colour, tanning and total naevus count. Cox regression multivariate analyses revealed a 5.31-fold increased risk of melanoma-specific death for patients with the rs7551288 A/A genotype, independent of tumour thickness, ulceration and stage of disease at diagnoses. The variant rs7551288 belongs to the DHCR24 gene, which encodes Seladin-1, an enzyme involved in the biosynthesis of cholesterol. Further investigations are needed to confirm this genetic variant as a novel prognostic biomarker and to explore whether specific treatment strategies for melanoma patients might be derived from it.
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Affiliation(s)
- Annette Pflugfelder
- The University of Queensland Diamantina Institute, The University of Queensland, Dermatology Research Centre, Brisbane, QLD 4102, Australia; (X.L.H.Y.); (K.J.); (H.P.S.); (R.A.S.); (D.L.D.)
- Center of Dermatooncology, Department of Dermatology, University of Tübingen, 72076 Tübingen, Germany;
- Correspondence:
| | - Xuan Ling Hilary Yong
- The University of Queensland Diamantina Institute, The University of Queensland, Dermatology Research Centre, Brisbane, QLD 4102, Australia; (X.L.H.Y.); (K.J.); (H.P.S.); (R.A.S.); (D.L.D.)
- Clem Jones Centre for Ageing Dementia Research, The University of Queensland, Brisbane, QLD 4072, Australia
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Kasturee Jagirdar
- The University of Queensland Diamantina Institute, The University of Queensland, Dermatology Research Centre, Brisbane, QLD 4102, Australia; (X.L.H.Y.); (K.J.); (H.P.S.); (R.A.S.); (D.L.D.)
- Biochemistry and Molecular Biology Department, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
| | - Thomas K. Eigentler
- Department of Dermatology, Venereology and Allergology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10177 Berlin, Germany;
| | - H. Peter Soyer
- The University of Queensland Diamantina Institute, The University of Queensland, Dermatology Research Centre, Brisbane, QLD 4102, Australia; (X.L.H.Y.); (K.J.); (H.P.S.); (R.A.S.); (D.L.D.)
- Department of Dermatology, Princess Alexandra Hospital, Brisbane, QLD 4102, Australia
| | - Richard A. Sturm
- The University of Queensland Diamantina Institute, The University of Queensland, Dermatology Research Centre, Brisbane, QLD 4102, Australia; (X.L.H.Y.); (K.J.); (H.P.S.); (R.A.S.); (D.L.D.)
| | - Lukas Flatz
- Center of Dermatooncology, Department of Dermatology, University of Tübingen, 72076 Tübingen, Germany;
| | - David L. Duffy
- The University of Queensland Diamantina Institute, The University of Queensland, Dermatology Research Centre, Brisbane, QLD 4102, Australia; (X.L.H.Y.); (K.J.); (H.P.S.); (R.A.S.); (D.L.D.)
- Genetic Epidemiology, QIMR Berghofer Institute of Medical Research, Herston, QLD 4006, Australia
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Russell RC, Guan KL. The multifaceted role of autophagy in cancer. EMBO J 2022; 41:e110031. [PMID: 35535466 PMCID: PMC9251852 DOI: 10.15252/embj.2021110031] [Citation(s) in RCA: 69] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 03/20/2022] [Accepted: 04/08/2022] [Indexed: 12/15/2022] Open
Abstract
Autophagy is a cellular degradative pathway that plays diverse roles in maintaining cellular homeostasis. Cellular stress caused by starvation, organelle damage, or proteotoxic aggregates can increase autophagy, which uses the degradative capacity of lysosomal enzymes to mitigate intracellular stresses. Early studies have shown a role for autophagy in the suppression of tumorigenesis. However, work in genetically engineered mouse models and in vitro cell studies have now shown that autophagy can be either cancer-promoting or inhibiting. Here, we summarize the effects of autophagy on cancer initiation, progression, immune infiltration, and metabolism. We also discuss the efforts to pharmacologically target autophagy in the clinic and highlight future areas for exploration.
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Affiliation(s)
- Ryan C Russell
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada.,Center for Infection, Immunity and Inflammation, University of Ottawa, Ottawa, ON, Canada.,Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON, Canada
| | - Kun-Liang Guan
- Department of Pharmacology and Moores Cancer Center, University of California San Diego, La Jolla, CA, USA
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Liu C, Ding X, Wei C, Pei Y, Meng F, Zhong Y, Liu Y. LncRNA LNCOC1 is Upregulated in Melanoma and Serves as a Potential Regulatory Target of miR-124 to Suppress Cancer Cell Invasion and Migration. CLINICAL, COSMETIC AND INVESTIGATIONAL DERMATOLOGY 2022; 15:751-762. [PMID: 35502349 PMCID: PMC9056108 DOI: 10.2147/ccid.s359786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 04/12/2022] [Indexed: 12/24/2022]
Abstract
Background A cascade of genes and pathways have been reported in the precise regulation of malignant melanoma (MM). Previous study has demonstrated that lncRNA LNCOC1 is an oncogenic factor in the pathogenesis and development of various cancers. The present study explored the functionalities of LNCOC1 and its interactions with miR-124 in MM. Methods A total of 65 melanoma patients were enrolled in this study. The expression of LNCOC1 and miR-124 after cell transfection were detected by RT-qPCR. The migration rates of SK-MEL-3 and A375 cells after transient transfection with LNCOC1 expression vector and miR-124 mimic was detected by trans-well assay. Results LNCOC1 was accumulated to high levels in melanoma, and it was significantly correlated with the low survival rate of melanoma patients. Our bioinformatics data showed that miR-124 could target LNCOC1. Overexpression of miR-124 could downregulate LNCOC1. However, up-regulated the expression of LNCOC1 did not affect the expression of miR-124. Our correlation analysis also revealed that the expression of LNCOC1 and miR-124 were inversely correlated in both melanoma tissues and non-tumor tissues. The trans-well invasion and migration assays indicated that overexpression of miR-124 inhibited the melanoma cell invasion and migration. However, overexpression of LNCOC1 promoted melanoma cell invasion and migration. Conclusion LNCOC1 is upregulated in melanoma, which can be considered as a potential target of miR-124 in modulating melanoma cell invasion and migration. LNCOC1 may also be an interfering target of MM therapy.
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Affiliation(s)
- Changhai Liu
- Department of Burn and Plastic Surgery, The First Affiliated of Hospital of Kangda College of Nanjing Medical University/The First People's Hospital of Lianyungang, Lianyungang, People's Republic of China
| | - Xiangsheng Ding
- Department of Burn and Plastic Surgery, The First Affiliated of Hospital of Kangda College of Nanjing Medical University/The First People's Hospital of Lianyungang, Lianyungang, People's Republic of China
| | - Cuie Wei
- Department of Burn and Plastic Surgery, The First Affiliated of Hospital of Kangda College of Nanjing Medical University/The First People's Hospital of Lianyungang, Lianyungang, People's Republic of China
| | - Yongdong Pei
- Department of Burn and Plastic Surgery, The First Affiliated of Hospital of Kangda College of Nanjing Medical University/The First People's Hospital of Lianyungang, Lianyungang, People's Republic of China
| | - Fanjun Meng
- Department of Burn and Plastic Surgery, The First Affiliated of Hospital of Kangda College of Nanjing Medical University/The First People's Hospital of Lianyungang, Lianyungang, People's Republic of China
| | - Yuren Zhong
- Department of Burn and Plastic Surgery, The First Affiliated of Hospital of Kangda College of Nanjing Medical University/The First People's Hospital of Lianyungang, Lianyungang, People's Republic of China
| | - Yi Liu
- Department of Burn Plastic Surgery and Wound Repair, Second Hospital of Lanzhou University, Lanzhou, People's Republic of China
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Low-metastatic melanoma cells acquire enhanced metastatic capability via exosomal transfer of miR-199a-1-5p from highly metastatic melanoma cells. Cell Death Dis 2022; 8:188. [PMID: 35397647 PMCID: PMC8994777 DOI: 10.1038/s41420-022-00993-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 03/14/2022] [Accepted: 03/24/2022] [Indexed: 02/07/2023]
Abstract
The mean survival of metastatic melanoma is less than 1 year. While the high mortality rate is associated with the efficient metastatic colonization of the involved organs, the underlying mechanisms remain elusive. The role of exosomes in facilitating the interactions between cancer cells and the metastatic microenvironment has received increasing attention. Previous studies on the role of exosomes in metastasis have been heavily focused on cancer cell-derived exosomes in modulating the functions of stromal cells. Whether the extravasated neighboring cancer cells at the distant organ can alter the metastatic properties of one another, a new mechanism of metastatic colonization, has not been demonstrated prior to this report. In this study, a paired M4 melanoma derivative cell lines, i.e., M14-OL and POL, that we established and characterized were employed. They exhibit high (POL cells) and low (OL cells) metastatic colonization efficiency in vivo, respectively. We show that exosomal crosstalk between metastatic cancer cells is a new mechanism that underlies cancer metastasis and heterogeneity. Low metastatic melanoma cells (OL) can acquire the “metastatic power” from highly metastatic melanoma cells (POL). POL achieves this goal by utilizing its exosomes to deliver functional miRNAs, such as miR-199a-1-5p, to the targeted OL cell which in turn inactivates cell cycle inhibitor CDKN1B and augments metastatic colonization.
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Klapan K, Simon D, Karaulov A, Gomzikova M, Rizvanov A, Yousefi S, Simon HU. Autophagy and Skin Diseases. Front Pharmacol 2022; 13:844756. [PMID: 35370701 PMCID: PMC8971629 DOI: 10.3389/fphar.2022.844756] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 02/22/2022] [Indexed: 12/15/2022] Open
Abstract
Autophagy is a highly conserved lysosomal degradation system that involves the creation of autophagosomes, which eventually fuse with lysosomes and breakdown misfolded proteins and damaged organelles with their enzymes. Autophagy is widely known for its function in cellular homeostasis under physiological and pathological settings. Defects in autophagy have been implicated in the pathophysiology of a variety of human diseases. The new line of evidence suggests that autophagy is inextricably linked to skin disorders. This review summarizes the principles behind autophagy and highlights current findings of autophagy's role in skin disorders and strategies for therapeutic modulation.
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Affiliation(s)
- Kim Klapan
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Dagmar Simon
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Alexander Karaulov
- Department of Clinical Immunology and Allergology, Sechenov University, Moscow, Russia
| | - Marina Gomzikova
- Laboratory of Molecular Immunology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Albert Rizvanov
- Laboratory of Molecular Immunology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Shida Yousefi
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Hans-Uwe Simon
- Institute of Pharmacology, University of Bern, Bern, Switzerland.,Department of Clinical Immunology and Allergology, Sechenov University, Moscow, Russia.,Laboratory of Molecular Immunology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia.,Institute of Biochemistry, Brandenburg Medical School, Neuruppin, Germany
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128
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Shi Y, Zheng H, Wang M, Ding S. Influence of Helicobacter pylori infection on PD-1/PD-L1 blockade therapy needs more attention. Helicobacter 2022; 27:e12878. [PMID: 35112435 DOI: 10.1111/hel.12878] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/31/2021] [Accepted: 01/04/2022] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND OBJECTIVE The tumor microenvironment and tumor immunity are crucially involved in tumor therapy. Immune checkpoint inhibitors targeting PD-1/PD-L1 signal transduction have been widely used in tumor therapy and have shown ideal clinical efficacy. However, some kinds of cancers still do not respond to PD-1/PD-L1 blockade therapy effectively, including gastric cancer. The related factors should be explored. METHODS AND RESULTS This review summarizes the recent progression of understanding the influence of Helicobacter pylori infection on PD-1/PD-L1 blockade therapy. Current pieces of evidence have indicated that H. pylori infection might affect the curative effect of tumor therapy associating with the induced immunomodulation. CONCLUSION It is necessary to understand the overall integration of PD-1/PD-L1 blockade therapy, the tumor microenvironment, and H. pylori infection. Much attention on the influence of H. pylori infection on the efficacy of tumor immunotherapy should be paid.
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Affiliation(s)
- Yanyan Shi
- Research Center of Clinical Epidemiology, Peking University Third Hospital, Beijing, China
| | - Huiling Zheng
- Department of Gastroenterology, Peking University Third Hospital, Beijing, China
| | - Mopei Wang
- Department of Tumor Chemotherapy and Radiation Sickness, Peking University Third Hospital, Beijing, China
| | - Shigang Ding
- Department of Gastroenterology, Peking University Third Hospital, Beijing, China
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Jiang L, Yang Y, Liu F, Ma M, Gao J, Sun L, Chen Y, Shen Z, Wu D. A Potential Diagnostic and Prognostic Biomarker TMEM176B and Its Relationship With Immune Infiltration in Skin Cutaneous Melanoma. Front Cell Dev Biol 2022; 10:859958. [PMID: 35399535 PMCID: PMC8986129 DOI: 10.3389/fcell.2022.859958] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 03/04/2022] [Indexed: 12/22/2022] Open
Abstract
Background: Melanoma is a highly malignant and aggressive tumor. The search for new and effective biomarkers facilitates early diagnosis and treatment, ultimately improving the prognosis of melanoma patients. Although the transmembrane protein TMEM176B has been linked to a number of cancers, its role in cancer immunity remains unknown. Methods: Expression levels of TMEM176B in normal tissues and several cancers, including Skin Cutaneous Melanoma (SKCM), were collected from TCGA and GTEx. We used Receiver operating characteristic and Kaplan–Meier survival curves and performed regression analysis to elucidate the link between TMEM176B and clinicopathological features of SKCM in order to determine the prognostic significance of TMEM176B in SKCM. We then used the GEPIA and STRING websites to search for proteins and associated top genes that may interact with TMEM176B and enriched them for analysis. The link between TMEM176B and immune cells infiltration was then investigated using TIMER, CIBERSORT algorithm and GSVA package of R (v3.6.3). Finally, animal tests were conducted to confirm the expression of Tmem176b and its influence on T-cell immune infiltration. Results:TMEM176B expression was considerably elevated in SKCM compared to normal tissues. Particularly, TMEM176B expression was also linked to pathological stage, tumor ulceration and radiation therapy. Patients with elevated TMEM176B expression had a better prognosis, according to the survival analysis. The majority of tumor infiltrating lymphocytes (TILs) especially T cells in SKCM was positively linked with TMEM176B expression. Our animal experiments also verified that the T-cell infiltration was significantly inhibited in local melanoma tissue of Tmem176b knockout mice. At the same time deleting Tmem176b accelerated tumor progress and impaired T cells effector function. Conclusion: Upregulated expression of TMEM176B in SKCM is associated with a better prognosis and it has the potential to serve as a diagnostic and prognostic marker for the disease. It may serve as a target for SKCM immunotherapy by regulating CD8+ T cells although it requires more evidence.
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Affiliation(s)
- Linlan Jiang
- Department of Oncology, Affiliated Sixth People’s Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Yanyin Yang
- Department of Endocrinology and Metabolism, Zhongshan Hospital, Key Laboratory of Metabolism and Molecular Medicine, the Ministry of Education, Fudan University, Shanghai, China
| | - Fangming Liu
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Mingyue Ma
- Department of Endocrinology and Metabolism, Zhongshan Hospital, Key Laboratory of Metabolism and Molecular Medicine, the Ministry of Education, Fudan University, Shanghai, China
| | - Jie Gao
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Lu Sun
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuwen Chen
- Jinshan Hospital Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
| | - Zan Shen
- Department of Oncology, Affiliated Sixth People’s Hospital, Shanghai Jiaotong University, Shanghai, China
- *Correspondence: Duojiao Wu, ; Zan Shen,
| | - Duojiao Wu
- Jinshan Hospital Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
- *Correspondence: Duojiao Wu, ; Zan Shen,
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Li G, Zhang J, Liu Y, Cheng X, Sun K, Hong W, Sha K. Analyzing Prognostic Hub Genes in the Microenvironment of Cutaneous Melanoma by Computer Integrated Bioinformatics. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2022; 2022:4493347. [PMID: 35300397 PMCID: PMC8923759 DOI: 10.1155/2022/4493347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 01/22/2022] [Indexed: 11/18/2022]
Abstract
Cutaneous melanoma (CM) is attracting increasing attention due to high mortality. In response to this, we synthetically analyze the CM dataset from the TCGA database and explore microenvironment-related genes that effectively predict patient prognosis. Immune/stromal scores of cases are calculated using the ESTIMATE algorithm and are significantly associated with overall patient survival. Then, differentially expressed genes are identified by comparing the immune score and stromal score, also prognostic genes are subsequently screened. Functional analysis shows that these genes are enriched in different activities of immune system. Moreover, 19 prognosis-related hub genes are extracted from the protein-protein interaction network, of which four unreported genes (IL7R, FLT3, C1QC, and HLA-DRB5) are chosen for validation. A significant negative relationship is found between the expression levels of the 4 genes and pathological stages, notably T grade. Furthermore, the K-M plots and TIMER results show that these genes have favorable value for CM prognosis. In conclusion, these results give a novel insight into CM and identify IL7R, FLT3, C1QC, and HLA-DRB5 as crucial roles for the diagnosis and treatment of CM.
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Affiliation(s)
- Guangyao Li
- Affiliated Hospital of Jiujiang University, No. 57 Xunyang East Road, Jiujiang 332000, Jiangxi Province, China
| | - Jingye Zhang
- Affiliated Hospital of Jiujiang University, No. 57 Xunyang East Road, Jiujiang 332000, Jiangxi Province, China
| | - Yourao Liu
- Affiliated Hospital of Jiujiang University, No. 57 Xunyang East Road, Jiujiang 332000, Jiangxi Province, China
| | - Xiqing Cheng
- Affiliated Hospital of Jiujiang University, No. 57 Xunyang East Road, Jiujiang 332000, Jiangxi Province, China
| | - Kai Sun
- Affiliated Hospital of Jiujiang University, No. 57 Xunyang East Road, Jiujiang 332000, Jiangxi Province, China
| | - Wenjuan Hong
- Affiliated Hospital of Jiujiang University, No. 57 Xunyang East Road, Jiujiang 332000, Jiangxi Province, China
| | - Ke Sha
- First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi Zhuang Autonomous Region, China
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Trzeciak ER, Zimmer N, Gehringer I, Stein L, Graefen B, Schupp J, Stephan A, Rietz S, Prantner M, Tuettenberg A. Oxidative Stress Differentially Influences the Survival and Metabolism of Cells in the Melanoma Microenvironment. Cells 2022; 11:cells11060930. [PMID: 35326381 PMCID: PMC8946823 DOI: 10.3390/cells11060930] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/03/2022] [Accepted: 03/05/2022] [Indexed: 12/12/2022] Open
Abstract
The cellular composition of the tumor microenvironment, including tumor, immune, stromal, and endothelial cells, significantly influences responses to cancer therapies. In this study, we analyzed the impact of oxidative stress, induced by cold atmospheric plasma (CAP), on tumor cells, T cells, and macrophages, which comprise part of the melanoma microenvironment. To accomplish this, cells were grown in different in vitro cell culture models and were treated with varying amounts of CAP. Subsequent alterations in viability, proliferation, and phenotype were analyzed via flow cytometry and metabolic alterations by Seahorse Cell Mito Stress Tests. It was found that cells generally exhibited reduced viability and proliferation, stemming from CAP induced G2/M cell cycle arrest and subsequent apoptosis, as well as increased mitochondrial stress following CAP treatment. Overall, sensitivity to CAP treatment was found to be cell type dependent with T cells being the most affected. Interestingly, CAP influenced the polarization of M0 macrophages to a "M0/M2-like" phenotype, and M1 macrophages were found to display a heightened sensitivity to CAP induced mitochondrial stress. CAP also inhibited the growth and killed melanoma cells in 2D and 3D in vitro cell culture models in a dose-dependent manner. Improving our understanding of oxidative stress, mechanisms to manipulate it, and its implications for the tumor microenvironment may help in the discovery of new therapeutic targets.
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Affiliation(s)
- Emily R. Trzeciak
- Department of Dermatology, University Medical Center Mainz, Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (E.R.T.); (N.Z.); (I.G.); (L.S.); (B.G.); (J.S.); (S.R.)
| | - Niklas Zimmer
- Department of Dermatology, University Medical Center Mainz, Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (E.R.T.); (N.Z.); (I.G.); (L.S.); (B.G.); (J.S.); (S.R.)
| | - Isabelle Gehringer
- Department of Dermatology, University Medical Center Mainz, Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (E.R.T.); (N.Z.); (I.G.); (L.S.); (B.G.); (J.S.); (S.R.)
| | - Lara Stein
- Department of Dermatology, University Medical Center Mainz, Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (E.R.T.); (N.Z.); (I.G.); (L.S.); (B.G.); (J.S.); (S.R.)
- Institute of Immunology, University Medical Center Mainz, Johannes Gutenberg University Mainz, 55131 Mainz, Germany
| | - Barbara Graefen
- Department of Dermatology, University Medical Center Mainz, Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (E.R.T.); (N.Z.); (I.G.); (L.S.); (B.G.); (J.S.); (S.R.)
| | - Jonathan Schupp
- Department of Dermatology, University Medical Center Mainz, Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (E.R.T.); (N.Z.); (I.G.); (L.S.); (B.G.); (J.S.); (S.R.)
- Institute of Neurology (Edinger Institute), Goethe University Hospital Frankfurt, 60528 Frankfurt, Germany
- Frankfurt Cancer Institute, 60596 Frankfurt, Germany
| | - Achim Stephan
- BOWA-Electronic GmbH & Co. KG, 72810 Gomaringen, Germany; (A.S.); (M.P.)
| | - Stephan Rietz
- Department of Dermatology, University Medical Center Mainz, Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (E.R.T.); (N.Z.); (I.G.); (L.S.); (B.G.); (J.S.); (S.R.)
| | - Michael Prantner
- BOWA-Electronic GmbH & Co. KG, 72810 Gomaringen, Germany; (A.S.); (M.P.)
| | - Andrea Tuettenberg
- Department of Dermatology, University Medical Center Mainz, Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (E.R.T.); (N.Z.); (I.G.); (L.S.); (B.G.); (J.S.); (S.R.)
- Research Center for Immunotherapy, University Medical Center Mainz, Johannes Gutenberg University Mainz, 55131 Mainz, Germany
- Correspondence:
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Liu Y, Shou Y, Zhu R, Qiu Z, Zhang Q, Xu J. Construction and Validation of a Ferroptosis-Related Prognostic Signature for Melanoma Based on Single-Cell RNA Sequencing. Front Cell Dev Biol 2022; 10:818457. [PMID: 35309911 PMCID: PMC8927698 DOI: 10.3389/fcell.2022.818457] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/20/2022] [Indexed: 12/15/2022] Open
Abstract
Melanoma, the deadliest type of skin cancer, is on the rise globally. The generally poor prognosis makes melanoma still an enormous public health problem. Ferroptosis is a newly emerging form of iron-dependent regulated cell death, which has been implicated in the development and treatment of several tumors. However, whether there is a connection between ferroptosis-related genes and the prognosis of melanoma patients remains an enigma. In the present study, we identified a ferroptosis-related genes signature to predict the prognosis of melanoma patients by analyzing single-cell RNA-sequencing data from the Gene Expression Omnibus (GEO). Single-cell trajectory analysis was performed to explore malignant differentiation. CellChat was used to investigate intercellular communications in melanoma. Collectively, a novel four-gene signature (CP, MAP1LC3A, transferrin, and TP53) was constructed for prognosis prediction. COX proportional hazards regression analysis showed that the established ferroptosis-associated risk model was an independent prognostic predictor for melanoma patients (HR = 2.3293; 95%CI 1.1528–4.706) (p < 0.018). Patients with low-risk scores had significantly better overall survival (OS) than those with high-risk scores in The Cancer Genome Atlas, GSE59455, and GSE22153 dataset (p = 0.0015, p = 0.031, p = 0.077). Furthermore, the gene expression level of the four genes were verified in multistrain melanoma cell lines and normal human epidermal melanocytes (NHEM). The protein expression level of the four genes in clinical samples were further verified in the Human Protein Atlas (HPA) databases. Taken together, our study identified the prognostic significance of the ferroptosis-related genes in melanoma and developed a novel four-gene prognostic signature, which may shed light on the prognostic assessment and clinical decision making for melanoma patients.
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Affiliation(s)
- Yating Liu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yanhong Shou
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Ronghui Zhu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhuoqiong Qiu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Qi Zhang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
- *Correspondence: Qi Zhang, ; Jinhua Xu,
| | - Jinhua Xu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Dermatology, Shanghai, China
- *Correspondence: Qi Zhang, ; Jinhua Xu,
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Balinda HU, Sedgwick A, D'Souza-Schorey C. Mechanisms underlying melanoma invasion as a consequence of MLK3 loss. Exp Cell Res 2022; 415:113106. [DOI: 10.1016/j.yexcr.2022.113106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 11/27/2022]
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Yu Z, Nguyen J, Nguyen TD, Kelly J, Mclean C, Bonnington P, Zhang L, Mar V, Ge Z. Early Melanoma Diagnosis With Sequential Dermoscopic Images. IEEE TRANSACTIONS ON MEDICAL IMAGING 2022; 41:633-646. [PMID: 34648437 DOI: 10.1109/tmi.2021.3120091] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Dermatologists often diagnose or rule out early melanoma by evaluating the follow-up dermoscopic images of skin lesions. However, existing algorithms for early melanoma diagnosis are developed using single time-point images of lesions. Ignoring the temporal, morphological changes of lesions can lead to misdiagnosis in borderline cases. In this study, we propose a framework for automated early melanoma diagnosis using sequential dermoscopic images. To this end, we construct our method in three steps. First, we align sequential dermoscopic images of skin lesions using estimated Euclidean transformations, extract the lesion growth region by computing image differences among the consecutive images, and then propose a spatio-temporal network to capture the dermoscopic changes from aligned lesion images and the corresponding difference images. Finally, we develop an early diagnosis module to compute probability scores of malignancy for lesion images over time. We collected 179 serial dermoscopic imaging data from 122 patients to verify our method. Extensive experiments show that the proposed model outperforms other commonly used sequence models. We also compared the diagnostic results of our model with those of seven experienced dermatologists and five registrars. Our model achieved higher diagnostic accuracy than clinicians (63.69% vs. 54.33%, respectively) and provided an earlier diagnosis of melanoma (60.7% vs. 32.7% of melanoma correctly diagnosed on the first follow-up images). These results demonstrate that our model can be used to identify melanocytic lesions that are at high-risk of malignant transformation earlier in the disease process and thereby redefine what is possible in the early detection of melanoma.
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Adams R, Coumbe JEM, Coumbe BGT, Thomas J, Willsmore Z, Dimitrievska M, Yasuzawa-Parker M, Hoyle M, Ingar S, Geh J, MacKenzie Ross A, Healy C, Papa S, Lacy KE, Karagiannis SN. BRAF inhibitors and their immunological effects in malignant melanoma. Expert Rev Clin Immunol 2022; 18:347-362. [PMID: 35195495 DOI: 10.1080/1744666x.2022.2044796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION The treatment of cutaneous melanoma has been revolutionised by the development of small molecule inhibitors targeting the MAPK pathway, including inhibitors of BRAF (BRAFi) and MEK (MEKi), and immune checkpoint blockade antibodies, occurring in tandem. Despite these advances, the 5-year survival rate for patients with advanced melanoma remains only around 50%. Although not designed to alter immune responses within the tumour microenvironment (TME), MAPK pathway inhibitors (MAPKi) exert a range of effects on the host immune compartment which may offer opportunities for therapeutic interventions. AREAS COVERED We review the effects of MAPKi especially BRAFi, on the TME, focussing on alterations in inflammatory cytokine secretion, the recruitment of immune cells and their functions, both during response to BRAFi treatment and as resistance develops. We outline potential combinations of MAPKi with established and experimental treatments. EXPERT OPINION MAPKi in combination or in sequence with established treatments such as checkpoint inhibitors, anti-angiogenic agents, or new therapies such as adoptive cell therapies, may augment their immunological effects, reverse tumour-associated immune suppression and offer the prospect of longer-lived clinical responses. Refining therapeutic tools at our disposal and embracing "old friends" in the melanoma treatment arsenal, alongside new target identification, may improve the chances of therapeutic success.
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Affiliation(s)
- Rebecca Adams
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London SE1 9RT, United Kingdom
| | - Jack E M Coumbe
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London SE1 9RT, United Kingdom
| | - Ben G T Coumbe
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London SE1 9RT, United Kingdom
| | - Jennifer Thomas
- The Royal Marsden, Downs Road, Sutton, Surrey, United Kingdom
| | - Zena Willsmore
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London SE1 9RT, United Kingdom
| | - Marija Dimitrievska
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London SE1 9RT, United Kingdom
| | - Monica Yasuzawa-Parker
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London SE1 9RT, United Kingdom
| | - Maximilian Hoyle
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London SE1 9RT, United Kingdom
| | - Suhaylah Ingar
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London SE1 9RT, United Kingdom
| | - Jenny Geh
- Department of Plastic Surgery at Guy's, King's, and St. Thomas' Hospitals, London, United Kingdom
| | - Alastair MacKenzie Ross
- Department of Plastic Surgery at Guy's, King's, and St. Thomas' Hospitals, London, United Kingdom
| | - Ciaran Healy
- Department of Plastic Surgery at Guy's, King's, and St. Thomas' Hospitals, London, United Kingdom
| | - Sophie Papa
- Department of Medical Oncology, Guy's and St. Thomas' NHS Foundation Trust, London, United Kingdom.,ImmunoEngineering, School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences and Medicine, King's College London, London, United Kingdom
| | - Katie E Lacy
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London SE1 9RT, United Kingdom
| | - Sophia N Karagiannis
- St. John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London, Guy's Hospital, London SE1 9RT, United Kingdom.,Breast Cancer Now Research Unit, School of Cancer & Pharmaceutical Sciences, King's College London, Guy's Cancer Centre, London SE1 9RT, United Kingdom
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Guo X, Fang Y, Guo C, Jia Q, Chi Z, Li J, Qin R, Tian J, Fan R. Qa-1b functions as an oncogenic factor in mouse melanoma cells. J Dermatol Sci 2022; 105:159-169. [DOI: 10.1016/j.jdermsci.2022.02.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 01/25/2022] [Accepted: 02/02/2022] [Indexed: 12/20/2022]
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Wu X, Park J, Chow SYA, Kasuya MCZ, Ikeuchi Y, Kim B. Localised light delivery on melanoma cells using optical microneedles. BIOMEDICAL OPTICS EXPRESS 2022; 13:1045-1060. [PMID: 35284152 PMCID: PMC8884222 DOI: 10.1364/boe.450456] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/14/2022] [Accepted: 01/20/2022] [Indexed: 06/14/2023]
Abstract
Light-based therapy is an emerging treatment for skin cancer, which has received increased attention due to its drug-free and non-invasive approach. However, the limitation of current light therapy methods is the inability for light to penetrate the skin and reach deep lesions. As such, we have developed a polylactic acid (PLA) microneedles array as a novel light transmission platform to perform in vitro evaluation regarding the effect of light therapy on skin cancer. For the first time, we designed and fabricated a microneedle array system with a height fixation device that can be installed in a cell culture dish and an LED array for blue light irradiation. The effect of the blue light combined with the microneedles on cell apoptosis was evaluated using B16F10 melanoma cells and analyzed by Hoechst staining. Our results demonstrate that blue light can be transmitted by microneedles to skin cells and effectively affect cell viability.
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Affiliation(s)
- Xiaobin Wu
- Institute of Industrial Science, The University of Tokyo, Tokyo, Japan
- Department of Precision Engineering, School of Engineering, The University of Tokyo, Japan
| | - Jongho Park
- Institute of Industrial Science, The University of Tokyo, Tokyo, Japan
| | - Siu Yu A. Chow
- Institute of Industrial Science, The University of Tokyo, Tokyo, Japan
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Japan
| | | | - Yoshiho Ikeuchi
- Institute of Industrial Science, The University of Tokyo, Tokyo, Japan
| | - Beomjoon Kim
- Institute of Industrial Science, The University of Tokyo, Tokyo, Japan
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Abstract
Activating mutations in RAS genes are the most common genetic driver of human cancers. Yet, drugging this small GTPase has proven extremely challenging and therapeutic strategies targeting these recurrent alterations have long had limited success. To circumvent this difficulty, research has focused on the molecular dissection of the RAS pathway to gain a more-precise mechanistic understanding of its regulation, with the hope to identify new pharmacological approaches. Here, we review the current knowledge on the (dys)regulation of the RAS pathway, using melanoma as a paradigm. We first present a map of the main proteins involved in the RAS pathway, highlighting recent insights into their molecular roles and diverse mechanisms of regulation. We then overview genetic data pertaining to RAS pathway alterations in melanoma, along with insight into other cancers, that inform the biological function of members of the pathway. Finally, we describe the clinical implications of RAS pathway dysregulation in melanoma, discuss past and current approaches aimed at drugging the RAS pathway, and outline future opportunities for therapeutic development. Summary: This Review describes the molecular regulation of the RAS pathway, presents the clinical consequences of its pathological activation in human cancer, and highlights recent advances towards its therapeutic inhibition, using melanoma as an example.
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Affiliation(s)
- Amira Al Mahi
- Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, INSERM U1052 CNRS UMR5286, Tumor Escape, Resistance and Immunity Department, 69008 Lyon, France
| | - Julien Ablain
- Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, INSERM U1052 CNRS UMR5286, Tumor Escape, Resistance and Immunity Department, 69008 Lyon, France
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Risk Factors for Lower Extremity Lymphedema after Inguinal Lymphadenectomy in Melanoma Patients: A Retrospective Cohort Study. Surg Open Sci 2022; 8:33-39. [PMID: 35280121 PMCID: PMC8914217 DOI: 10.1016/j.sopen.2022.02.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 01/26/2022] [Accepted: 02/04/2022] [Indexed: 01/25/2023] Open
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140
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Xu Y, Liao W, Luo Q, Yang D, Pan M. Histone Acetylation Regulator-Mediated Acetylation Patterns Define Tumor Malignant Pathways and Tumor Microenvironment in Hepatocellular Carcinoma. Front Immunol 2022; 13:761046. [PMID: 35145517 PMCID: PMC8821108 DOI: 10.3389/fimmu.2022.761046] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 01/04/2022] [Indexed: 12/22/2022] Open
Abstract
Background Histone acetylation modification is one of the most common epigenetic methods used to regulate chromatin structure, DNA repair, and gene expression. Existing research has focused on the importance of histone acetylation in regulating tumorigenicity, tumor progression, and tumor microenvironment (TME) but has not explored the potential roles and interactions of histone acetylation regulators in TME cell infiltration, drug sensitivity, and immunotherapy. Methods The mRNA expression and genetic alterations of 36 histone acetylation regulators were analyzed in 1599 hepatocellular carcinoma (HCC) samples. The unsupervised clustering method was used to identify the histone acetylation patterns. Then, based on their differentially expressed genes (DEGs), an HAscore model was constructed to quantify the histone acetylation patterns and related subtypes of individual samples. Lastly, the relationship between HAscore and transcription background, tumor clinical features, characteristics of TME, drug response, and efficacy of immunotherapy were analyzed. Results We identified three histone acetylation patterns characterized by high, medium, and low HAscore. Patients with HCC in the high HAscore group experienced worse overall survival time, and the cancer-related malignant pathways were more active in the high HAscore group, comparing to the low HAscore group. The high HAscore group was characterized by an immunosuppressive subtype because of the high infiltration of immunosuppressive cells, such as regulatory T cells and myeloid-derived suppressor cells. Following validation, the HAscore was highly correlated with the sensitivity of anti-tumor drugs; 116 therapeutic agents were found to be associated with it. The HAscore was also correlated with the therapeutic efficacy of the PD-L1 and PD-1 blockade, and the response ratio was significantly higher in the low HAscore group. Conclusion To the best of our knowledge, our study is the first to provide a comprehensive analysis of 36 histone acetylation regulators in HCC. We found close correlations between histone acetylation patterns and tumor malignant pathways and TME. We also analyzed the therapeutic value of the HAscore in targeted therapy and immunotherapy. This work highlights the interactions and potential clinical utility of histone acetylation regulators in treatment of HCC and improving patient outcomes.
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Affiliation(s)
- Yuyan Xu
- General Surgery Center, Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Guangzhou Clinical Research and Transformation Center for Artificial Liver, Institute of Regenerative Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Wei Liao
- The Unit of Hepatobiliary Surgery, The General Surgery Department, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qiong Luo
- General Surgery Center, Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Guangzhou Clinical Research and Transformation Center for Artificial Liver, Institute of Regenerative Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Department of General Surgery, Affiliated Hengyang Hospital, Southern Medical University (Hengyang Central Hospital), Hengyang, China
| | - Dinghua Yang
- The Unit of Hepatobiliary Surgery, The General Surgery Department, Nanfang Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Dinghua Yang, ; Mingxin Pan,
| | - Mingxin Pan
- General Surgery Center, Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Guangzhou Clinical Research and Transformation Center for Artificial Liver, Institute of Regenerative Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Dinghua Yang, ; Mingxin Pan,
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Bayer AL, Pietruska J, Farrell J, McRee S, Alcaide P, Hinds PW. AKT1 Is Required for a Complete Palbociclib-Induced Senescence Phenotype in BRAF-V600E-Driven Human Melanoma. Cancers (Basel) 2022; 14:572. [PMID: 35158840 PMCID: PMC8833398 DOI: 10.3390/cancers14030572] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 01/19/2022] [Accepted: 01/21/2022] [Indexed: 01/10/2023] Open
Abstract
Cellular senescence is a carefully regulated process of proliferative arrest accompanied by functional and morphologic changes. Senescence allows damaged cells to avoid neoplastic proliferation; however, the induction of the senescence-associated secretory phenotype (SASP) can promote tumor growth. The complexity of senescence may limit the efficacy of anti-neoplastic agents, such as CDK4/6 inhibitors (Cdk4/6i), that induce a senescence-like state in tumor cells. The AKT kinase family, which contains three isoforms that play both unique and redundant roles in cancer progression, is commonly hyperactive in many cancers including melanoma and has been implicated in the regulation of senescence. To interrogate the role of AKT isoforms in Cdk4/6i-induced cellular senescence, we generated isoform-specific AKT knockout human melanoma cell lines. We found that the CDK4/6i Palbociclib induced a form of senescence in these cells that was dependent on AKT1. We then evaluated the activity of the cGAS-STING pathway, recently implicated in cellular senescence, finding that cGAS-STING function was dependent on AKT1, and pharmacologic inhibition of cGAS had little effect on senescence. However, we found SASP factors to require NF-κB function, in part dependent on a stimulatory phosphorylation of IKKα by AKT1. In summary, we provide the first evidence of a novel, isoform-specific role for AKT1 in therapy-induced senescence in human melanoma cells acting through NF-κB but independent of cGAS.
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Affiliation(s)
- Abraham L. Bayer
- Program in Immunology, Graduate School of Biomedical Sciences, Tufts University, Boston, MA 02111, USA; (A.L.B.); (P.A.)
- Department of Immunology, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Jodie Pietruska
- Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, MA 02111, USA; (J.P.); (J.F.); (S.M.)
| | - Jaymes Farrell
- Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, MA 02111, USA; (J.P.); (J.F.); (S.M.)
- Program in Genetics, Graduate School of Biomedical Sciences, Tufts University, Boston, MA 02111, USA
| | - Siobhan McRee
- Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, MA 02111, USA; (J.P.); (J.F.); (S.M.)
- Program in Genetics, Graduate School of Biomedical Sciences, Tufts University, Boston, MA 02111, USA
| | - Pilar Alcaide
- Program in Immunology, Graduate School of Biomedical Sciences, Tufts University, Boston, MA 02111, USA; (A.L.B.); (P.A.)
- Department of Immunology, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Philip W. Hinds
- Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, MA 02111, USA; (J.P.); (J.F.); (S.M.)
- Program in Genetics, Graduate School of Biomedical Sciences, Tufts University, Boston, MA 02111, USA
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VISTA, PDL-L1, and BRAF-A Review of New and Old Markers in the Prognosis of Melanoma. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58010074. [PMID: 35056382 PMCID: PMC8778318 DOI: 10.3390/medicina58010074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 12/31/2021] [Accepted: 01/01/2022] [Indexed: 12/26/2022]
Abstract
Melanoma is currently known as one of the most aggressive malignant tumors. The prognostic factors and particularities of this neoplasm are a persistent hot topic in the medical field. This review has multiple purposes. First, we aim to summarize the known data regarding the histological and immunohistochemical appearance of this versatile tumor and to look further into the analysis of several widely used prognostic markers, such as B-Raf proto-oncogene, serine/threonine kinase BRAF. The second purpose is to analyze the data on the new prognostic markers, V-domain Immunoglobulin Suppressor of T cell Activation (VISTA) and Programmed death-ligand 1 (PD-L1). VISTA is a novel target that is considered to be highly important in determining the invasive potential and treatment response of a melanoma, and there are currently only a limited number of studies describing its role. PD-L1 is a marker with whose importance has been revealed in multiple types of malignancies, but its exact role regarding melanoma remains under investigation. In conclusion, the gathered data highlights the importance of correlations between these markers toward providing patients with a better outcome.
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Huang X, Chen Y, Yi J, Yi P, Jia J, Liao Y, Feng J, Jiang X. Tetracaine hydrochloride induces cell cycle arrest in melanoma by downregulating hnRNPA1. Toxicol Appl Pharmacol 2022; 434:115810. [PMID: 34822839 DOI: 10.1016/j.taap.2021.115810] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 11/10/2021] [Accepted: 11/18/2021] [Indexed: 12/23/2022]
Abstract
Recent evidence suggests potential benefits of applying local anesthetics in cancer patients. Specifically, tetracaine has a potent antitumor effect in diverse cancers, including neuroblastoma, breast cancer, and melanoma; however, the underlying molecular mechanisms remain unclear. Here, we reported that tetracaine hydrochloride inhibited the growth of melanoma cells and arrested melanoma cells in the G0/G1 phase. Tetracaine hydrochloride treatment resulted in translocation of hnRNPA1 from the nucleoplasm to the nuclear envelope and reduced the protein stability of hnRNPA1 possibly by disrupting the dynamic balance of ubiquitination and neddylation. Elevated hnRNPA1 upregulated cyclin D1 to promote cell cycle in melanoma. The hnRNPA1 overexpression attenuated the effect of tetracaine hydrochloride on melanoma cell growth suppression and cell cycle arrest. Furthermore, melanoma homograft experiments demonstrated that tetracaine hydrochloride suppressed melanoma growth, while hnRNPA1 overexpression alleviated tetracaine's antitumor effect on melanoma. Taken together, our findings suggest that tetracaine hydrochloride exerts a potent antitumor effect on melanoma both in vitro and in vivo, and the effect involves cell cycle arrest induction via downregulation of hnRNPA1.
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Affiliation(s)
- Xiang Huang
- Department of Anesthesiology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, China
| | - Yirong Chen
- Department of Anesthesiology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, China
| | - Junxiu Yi
- Department of Ultrasound Diagnosis, Southwest Hospital, Army Medical University, Chongqing 400038, PR China
| | - Peng Yi
- Department of Anesthesiology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, China
| | - Jing Jia
- Department of Anesthesiology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, China
| | - Yonghong Liao
- Department of Anesthesiology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, China
| | - Jianguo Feng
- Department of Anesthesiology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, China.
| | - Xian Jiang
- Department of Anesthesiology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, China; Department of Anesthesiology, Luzhou People's Hospital, Luzhou, Sichuan Province, China.
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Chauhan J, Aasaithambi S, Márquez-Rodas I, Formisano L, Papa S, Meyer N, Forschner A, Faust G, Lau M, Sagkriotis A. Understanding the Lived Experience of Patients with Melanoma: Real-World Evidence Generated through a European Social Media Listening Analysis (Preprint). JMIR Cancer 2021; 8:e35930. [PMID: 35699985 PMCID: PMC9237767 DOI: 10.2196/35930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 04/06/2022] [Accepted: 04/10/2022] [Indexed: 11/25/2022] Open
Abstract
Background Cutaneous melanoma is an aggressive malignancy that is proposed to account for 90% of skin cancer–related mortality. Individuals with melanoma experience both physical and psychological impacts associated with their diagnosis and treatment. Health-related information is being increasingly accessed and shared by stakeholders on social media platforms. Objective This study aimed to assess how individuals living with melanoma across 14 European countries use social media to discuss their needs and provide their perceptions of the disease. Methods Social media sources including Twitter, forums, and blogs were searched using predefined search strings of keywords relating to melanoma. Manual and automated relevancy approaches filtered the extracted data for content that provided patient-centric insights. This contextualized data was then mined for insightful concepts around the symptoms, diagnosis, treatment, impacts, and lived experiences of melanoma. Results A total of 182,400 posts related to melanoma were identified between November 2018 and November 2020. Following exclusion of irrelevant posts and using random sampling methodology, 864 posts were identified as relevant to the study objectives. Of the social media channels included, Twitter was the most commonly used, followed by forums and blogs. Most posts originated from the United Kingdom (n=328, 38%) and Spain (n=138, 16%). Of the relevant posts, 62% (n=536) were categorized as originating from individuals with melanoma. The most frequently discussed melanoma-related topics were treatment (436/792, 55%), diagnosis and tests (261/792, 33%), and remission (190/792, 24%). The majority of treatment discussions were about surgery (292/436, 67%), followed by immunotherapy (52/436, 12%). In total, 255 posts discussed the impacts of melanoma, which included emotional burden (n=179, 70%), physical impacts (n=61, 24%), effects on social life (n=43, 17%), and financial impacts (n=10, 4%). Conclusions Findings from this study highlight how melanoma stakeholders discuss key concepts associated with the condition on social media, adding to the conceptual model of the patient journey. This social media listening approach is a powerful tool for exploring melanoma stakeholder perspectives, providing insights that can be used to corroborate existing data and inform future studies.
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Affiliation(s)
| | | | - Iván Márquez-Rodas
- Department of Medical Oncology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Centro de Investigación Biomédica en Red Cáncer, Universidad Complutense, Madrid, Spain
| | - Luigi Formisano
- Department of Clinical Medicine and Surgery, University of Naples "Federico II", Naples, Italy
| | - Sophie Papa
- School of Cancer and Pharmaceutical Studies, King's College London, London, United Kingdom
| | - Nicolas Meyer
- Department of Onco-Dermatology, Toulouse Cancer Institute, Toulouse, France
- Oncology Department, Toulouse University Hospital, Toulouse, France
| | - Andrea Forschner
- Department of Dermatology, University Hospital Tübingen, Tübingen, Germany
| | - Guy Faust
- Department of Oncology, University Hospitals of Leicester, Leicester, United Kingdom
| | - Mike Lau
- Novartis Pharma AG, Basel, Switzerland
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Abstract
Melanoma is the most lethal skin cancer that originates from the malignant transformation of melanocytes. Although melanoma has long been regarded as a cancerous malignancy with few therapeutic options, increased biological understanding and unprecedented innovations in therapies targeting mutated driver genes and immune checkpoints have substantially improved the prognosis of patients. However, the low response rate and inevitable occurrence of resistance to currently available targeted therapies have posed the obstacle in the path of melanoma management to obtain further amelioration. Therefore, it is necessary to understand the mechanisms underlying melanoma pathogenesis more comprehensively, which might lead to more substantial progress in therapeutic approaches and expand clinical options for melanoma therapy. In this review, we firstly make a brief introduction to melanoma epidemiology, clinical subtypes, risk factors, and current therapies. Then, the signal pathways orchestrating melanoma pathogenesis, including genetic mutations, key transcriptional regulators, epigenetic dysregulations, metabolic reprogramming, crucial metastasis-related signals, tumor-promoting inflammatory pathways, and pro-angiogenic factors, have been systemically reviewed and discussed. Subsequently, we outline current progresses in therapies targeting mutated driver genes and immune checkpoints, as well as the mechanisms underlying the treatment resistance. Finally, the prospects and challenges in the development of melanoma therapy, especially immunotherapy and related ongoing clinical trials, are summarized and discussed.
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Affiliation(s)
- Weinan Guo
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, No. 127 of West Changle Road, 710032, Xi'an, Shaanxi, China
| | - Huina Wang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, No. 127 of West Changle Road, 710032, Xi'an, Shaanxi, China
| | - Chunying Li
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, No. 127 of West Changle Road, 710032, Xi'an, Shaanxi, China.
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146
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Transcriptome Analysis of Large to Giant Congenital Melanocytic Nevus Reveals Cell Cycle Arrest and Immune Evasion: Identifying Potential Targets for Treatment. J Immunol Res 2021; 2021:8512200. [PMID: 34912899 PMCID: PMC8668353 DOI: 10.1155/2021/8512200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 11/12/2021] [Indexed: 11/17/2022] Open
Abstract
Large to giant congenital melanocytic nevus (lgCMN) is a benign cutaneous tumor that develops during embryogenesis. A large number of lgCMN patients are ineligible for surgical treatment; hence, there is an urgent need to develop pharmacological treatments. Clinically, tumorigenesis and progression essentially halt after birth, resulting in the homeostasis of growth arrest and survival. Numerous studies have employed whole-genome or whole-exome sequencing to clarify the etiology of lgCMN; however, transcriptome sequencing of lgCMN is still lacking. Through comprehensive transcriptome analysis, this study elucidated the ongoing regulation and homeostasis of lgCMN and identified potential targets for treatment. Transcriptome sequencing, identification of differentially expressed genes and hub genes, protein–protein network construction, functional enrichment, pathway analysis, and gene annotations were performed in this study. Immunohistochemistry, real-time quantitative PCR, immunocytofluorescence, and cell cycle assays were employed for further validation. The results revealed several intriguing phenomena in lgCMN, including P16-induced cell cycle arrest, antiapoptotic activity, and immune evasion caused by malfunction of tumor antigen processing. The arrested cell cycle in lgCMN is consistent with its phenotype and rare malignant transformation. Antiapoptotic activity and immune evasion might explain how such heterogeneous cells have avoided elimination. Major histocompatibility complex (MHC) class I-mediated tumor antigen processing was the hub pathway that was significantly downregulated in lgCMN, and ITCH, FBXW7, HECW2, and WWP1 were identified as candidate hub genes. In conclusion, our research provides new perspectives for immunotherapy and targeted therapy.
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147
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Shi X, Xu X, Shi N, Chen Y, Fu M. MicroRNA-520d-3p suppresses melanoma cells proliferation by inhibiting the anti-silencing function 1B histone chaperone. Bioengineered 2021; 12:10703-10715. [PMID: 34872448 PMCID: PMC8809954 DOI: 10.1080/21655979.2021.2001914] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
As the most common and aggressive malignant form of skin cancer, melanoma has a poor prognosis in its late stage. MicroRNA (miR)-520d-3p has been reported as a key modulator that regulates the development of different types of cancer, but its role in melanoma remains unclear. The purpose of this study was to investigate the role and mechanism of miR-520d-3p in melanoma. The expression of anti-silencing function 1B histone chaperone (ASF1B) and miR-520d-3p in melanoma tissues and cells was detected by reverse transcription-quantitative polymerase chain reaction. The interaction between ASF1B and miR-520d-3p was verified by luciferase activity detection. Cell counting kit-8, bromodeoxyuridine, fluorescein isothiocyanate, and cell adhesion assays were performed to detect cell viability, proliferation, apoptosis, and adhesion in melanoma cells. ASF1B expression was evidently increased, whereas miR-520d-3p level was downregulated in melanoma tissues and cells. Overexpression of ASF1B enhanced cell growth and adhesion and hampered cell apoptosis in melanoma cells. Furthermore, miR-520d-3p suppressed the tumorigenic effects of melanoma cells. Moreover, miR-520d-3p suppressed the expression of ASF1B to suppress melanoma tumorigenesis. In conclusion, we have found out that miR-520d-3p suppressed melanoma tumorigenesis by inhibiting ASF1B, which could be a promising target for melanoma therapy.
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Affiliation(s)
- Xian Shi
- Department of Dermatology, Huangshi Central Hospital, Huangshi, China
| | - Xidan Xu
- Department of Dermatology, Huangshi Central Hospital, Huangshi, China
| | - Nian Shi
- Department of Dermatology, Huangshi Central Hospital, Huangshi, China
| | - Yongjun Chen
- Department of Dermatology, Huangshi Central Hospital, Huangshi, China
| | - Manni Fu
- Department of Dermatology, Huangshi Central Hospital, Huangshi, China
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148
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Palma TV, Bianchin NB, de Oliveira JS, Assmann CE, das Neves Oliveira M, Schetinger MRC, Morsch VM, Ulrich H, Pillat MM, de Andrade CM. Berberine increases the expression of cytokines and proteins linked to apoptosis in human melanoma cells. Mol Biol Rep 2021; 49:2037-2046. [PMID: 34860319 DOI: 10.1007/s11033-021-07022-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 11/25/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Melanoma is the most lethal form of skin cancer, and its incidence has increased considerably in the last decades. Melanoma presents difficult treatment with strong resistance of tumor cells, due to its extremely invasive nature with high capacity to metastases. Berberine (BBR), an isoquinoline alkaloid, is a molecule found in several medicinal plants, and has been studied in several diseases, demonstrating antimicrobial, antidiabetic and anti-inflammatory properties and anti-tumorigenic effects. METHODS AND RESULTS In SK-MEL-28 cells, 50 μM BBR treatment for 24 h decreased cell viability by 50 percent. This concentration generated cell death both by early apoptosis and necrosis, with an increase in the DNA damage index. BBR increased (*p < 0.05) the proportion of cells in G1/G0 phase and decreased (###p < 0.005) the percentage of cells in S phase. The alcaloid increased (****p < 0.001) ROS production compared to untreated controls with an increase in activated caspase 3 and phosphorylated p53 protein levels. In addition, BBR significantly enhanced ERK as well as both pro- and anti-inflammatory cytokine expression compared to untreated controls. CONCLUSIONS BBR has important antiproliferative effects and may be alone or in adjunct therapy a promising candidate for melanoma treatment, a cancer with great incidence and high lethality.
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Affiliation(s)
- Taís Vidal Palma
- Department of Chemistry, Center for Natural and Exact Sciences, Postgraduate Program in Biological Sciences: Biochemistry Toxicological, Federal University of Santa Maria, Santa Maria, RS, Brazil.
| | - Nathiele Botari Bianchin
- Department of Chemistry, Center for Natural and Exact Sciences, Postgraduate Program in Biological Sciences: Biochemistry Toxicological, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Juliana Sorraila de Oliveira
- Department of Chemistry, Center for Natural and Exact Sciences, Postgraduate Program in Biological Sciences: Biochemistry Toxicological, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Charles Elias Assmann
- Department of Chemistry, Center for Natural and Exact Sciences, Postgraduate Program in Biological Sciences: Biochemistry Toxicological, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | | | - Maria Rosa Chitolina Schetinger
- Department of Chemistry, Center for Natural and Exact Sciences, Postgraduate Program in Biological Sciences: Biochemistry Toxicological, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Vera Maria Morsch
- Department of Chemistry, Center for Natural and Exact Sciences, Postgraduate Program in Biological Sciences: Biochemistry Toxicological, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Henning Ulrich
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, SP, Brazil
| | - Micheli Mainardi Pillat
- Department of Microbiology and Parasitology, Postgraduate Program in Pharmacology and Postgraduate Program in Pharmaceutical Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil.
| | - Cinthia Melazzo de Andrade
- Department of Chemistry, Center for Natural and Exact Sciences, Postgraduate Program in Biological Sciences: Biochemistry Toxicological, Federal University of Santa Maria, Santa Maria, RS, Brazil.
- Department of Small Animal Clinic, Center of Rural Sciences, Federal University of Santa Maria-RS, Room 121, Veterinary Hospital Building, Avenue Roraima n° 1000, Santa Maria, RS, 97105900, Brazil.
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149
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Matsuda T, Oritani K. Possible Therapeutic Applications of Targeting STAP Proteins in Cancer. Biol Pharm Bull 2021; 44:1810-1818. [PMID: 34853263 DOI: 10.1248/bpb.b21-00672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The signal-transducing adaptor protein (STAP) family, including STAP-1 and STAP-2, contributes to a variety of intracellular signaling pathways. The proteins in this family contain typical structures for adaptor proteins, such as Pleckstrin homology in the N-terminal regions and SRC homology 2 domains in the central regions. STAP proteins bind to inhibitor of kappaB kinase complex, breast tumor kinase, signal transducer and activator of transcription 3 (STAT3), and STAT5, during tumorigenesis and inflammatory/immune responses. STAP proteins positively or negatively regulate critical steps in intracellular signaling pathways through individually unique mechanisms. This article reviews the roles of the novel STAP family and the possible therapeutic applications of targeting STAP proteins in cancer.
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Affiliation(s)
- Tadashi Matsuda
- Department of Immunology, Graduate School of Pharmaceutical Sciences, Hokkaido University
| | - Kenji Oritani
- Department of Hematology, International University of Health and Welfare
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150
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Keim U, Gandini S, Amaral T, Katalinic A, Holleczek B, Flatz L, Leiter U, Whiteman D, Garbe C. Cutaneous melanoma attributable to UVR exposure in Denmark and Germany. Eur J Cancer 2021; 159:98-104. [PMID: 34742161 DOI: 10.1016/j.ejca.2021.09.044] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/07/2021] [Accepted: 09/29/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Increasing incidence rates of cutaneous melanoma (CM) observed during the last five decades in white populations are largely attributed to increased exposure to solar ultraviolet radiation (UVR), often expressed as population attributable fraction (PAF). Thus, many CMs could be prevented by reducing UVR exposure. The aim of this study was to estimate the PAF of CM attributable to UVR exposure and demographic changes in Denmark and Saarland/Germany for the period 1943 to 2036. MATERIAL AND METHODS CM incidence data (ICD-10, C43) for Denmark (1943-2016) and the German Federal State of Saarland (1972-2016) were retrieved from the NORDCAN database and from the Saarland Cancer Registry. The number of CMs attributable to UVR exposure was calculated by comparing contemporary or predicted CM incidence rates with CM rates in Denmark during the years 1943-1946. RESULTS In Denmark, the proportion of CM cases attributable to UVR exposure increased from around 20% in 1947-1951 to 96% in 2012-2016; in the Federal State of Saarland, it increased from 50% in 1972-1976 to 90% in 2012-2016. Until 2032-2036, the PAF is expected to rise in Denmark to 97% and in the Saarland to 92%. The demographic influence, on the other hand, is rather small. CONCLUSIONS More than 90% of all CM in Germany and Denmark are attributable to UVR exposure, and in principle, preventable. These findings underline the need for primary prevention strategies, aiming to increase the awareness of melanoma and its risk factors and to promote behavioural changes that decrease sun exposure.
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Affiliation(s)
- Ulrike Keim
- Centre for Dermatooncology, Department of Dermatology, Eberhard Karls University, Tuebingen, Germany
| | - Sara Gandini
- Department of Experimental Oncology, European Institute of Oncology, IRCCS, Milan, Italy
| | - Teresa Amaral
- Centre for Dermatooncology, Department of Dermatology, Eberhard Karls University, Tuebingen, Germany; Portuguese Air Force Health Care Direction, Lisbon, Portugal
| | | | | | - Lukas Flatz
- Centre for Dermatooncology, Department of Dermatology, Eberhard Karls University, Tuebingen, Germany
| | - Ulrike Leiter
- Centre for Dermatooncology, Department of Dermatology, Eberhard Karls University, Tuebingen, Germany
| | - David Whiteman
- QIMR Berghofer Medical Research Institute, 300 Herston Road, Herston, QLD 4006, Australia; The University of Queensland, School of Public Health, Herston Road, Herston, QLD 4006, Australia
| | - Claus Garbe
- Centre for Dermatooncology, Department of Dermatology, Eberhard Karls University, Tuebingen, Germany.
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