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Tufail M, Huang YQ, Hu JJ, Liang J, He CY, Wan WD, Jiang CH, Wu H, Li N. Cellular Aging and Senescence in Cancer: A Holistic Review of Cellular Fate Determinants. Aging Dis 2024:AD.2024.0421. [PMID: 38913050 DOI: 10.14336/ad.2024.0421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Accepted: 05/21/2024] [Indexed: 06/25/2024] Open
Abstract
This comprehensive review navigates the complex relationship between cellular aging, senescence, and cancer, unraveling the determinants of cellular fate. Beginning with an overview of cellular aging's significance in cancer, the review explores processes, changes, and molecular pathways influencing senescence. The review explores senescence as a dual mechanism in cancer, acting as a suppressor and contributor, focusing on its impact on therapy response. This review highlights opportunities for cancer therapies that target cellular senescence. The review further examines the senescence-associated secretory phenotype and strategies to modulate cellular aging to influence tumor behavior. Additionally, the review highlights the mechanisms of senescence escape in aging and cancer cells, emphasizing their impact on cancer prognosis and resistance to therapy. The article addresses current advances, unexplored aspects, and future perspectives in understanding cellular aging and senescence in cancer.
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Affiliation(s)
- Muhammad Tufail
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Yu-Qi Huang
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Jia-Ju Hu
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Jie Liang
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Cai-Yun He
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Wen-Dong Wan
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Can-Hua Jiang
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
- Institute of Oral Precancerous Lesions, Central South University, Changsha, China
- Research Center of Oral and Maxillofacial Tumor, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Hong Wu
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, China
| | - Ning Li
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
- Institute of Oral Precancerous Lesions, Central South University, Changsha, China
- Research Center of Oral and Maxillofacial Tumor, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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2
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Bennett DC. Review: Are moles senescent? Pigment Cell Melanoma Res 2024; 37:391-402. [PMID: 38361107 DOI: 10.1111/pcmr.13163] [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: 08/16/2023] [Revised: 12/01/2023] [Accepted: 02/04/2024] [Indexed: 02/17/2024]
Abstract
Melanocytic nevi (skin moles) have been regarded as a valuable example of cell senescence occurring in vivo. However, a study of induced nevi in a mouse model reported that the nevi were arrested by cell interactions rather than a cell-autonomous process like senescence, and that size distributions of cell nests within nevi could not be accounted for by a stochastic model of oncogene-induced senescence. Moreover, others reported that some molecular markers used to identify cell senescence in human nevi are also found in melanoma cells-not senescent. It has thus been questioned whether nevi really are senescent, with potential implications for melanoma diagnosis and therapy. Here I review these areas, along with the genetic, biological, and molecular evidence supporting senescence in nevi. In conclusion, there is strong evidence that cells of acquired human benign (banal) nevi are very largely senescent, though some must contain a minor non-senescent cell subpopulation. There is also persuasive evidence that this senescence is primarily induced by dysfunctional telomeres rather than directly oncogene-induced.
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Affiliation(s)
- Dorothy C Bennett
- Molecular & Clinical Sciences Research Institute, St George's University of London, London, UK
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Zhang J, Zhang F, Porter KI, Dakup PP, Wang S, Robertson GP, Gaddameedhi S, Zhu J. Telomere dysfunction in Tert knockout mice delays Braf V600E -induced melanoma development. Int J Cancer 2024; 154:548-560. [PMID: 37727982 PMCID: PMC10840707 DOI: 10.1002/ijc.34713] [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: 01/13/2023] [Revised: 07/27/2023] [Accepted: 07/31/2023] [Indexed: 09/21/2023]
Abstract
Telomerase activation is a crucial step in melanomagenesis, often occurring because of ultraviolet radiation (UVR)-induced mutations at the telomerase gene (TERT) promoter and rendering TERT transcription in response to the activated Raf-MAP kinase pathway by BRAFV600E mutation. Due to the excessively long telomeres in mice, this process does not occur during melanomagenesis in mouse models. To investigate the impact of telomere dysfunction on melanomagenesis, BrafV600E was induced in generations 1 and 4 (G1 and G4) of Tert-/- mice. Our findings revealed that, regardless of UVR exposure, melanoma development was delayed in G4 mice, which had shorter telomeres compared to G1 and wild-type C57BL/6J (G0) mice. Moreover, many G4 tumors displayed an accumulation of excessive DNA damage, as evidenced by increased γH2A.X staining. Tumors from UVR-exposed mice exhibited elevated p53 protein expression. Cultured tumor cells isolated from G4 mice displayed abundant chromosomal fusions and rearrangements, indicative of telomere dysfunction in these cells. Additionally, tumor cells derived from UVB-exposed mice exhibited constitutively elevated expression of mutant p53 proteins, suggesting that p53 was a target of UVB-induced mutagenesis. Taken together, our findings suggest that telomere dysfunction hampers melanomagenesis, and targeting telomere crisis-mediated genomic instability may hold promise for the prevention and treatment of melanoma.
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Affiliation(s)
- Jinglong Zhang
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA 99210, USA
| | - Fan Zhang
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA 99210, USA
| | - Kenneth I. Porter
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA 99210, USA
| | - Panshak P. Dakup
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA 99210, USA
- Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh, NC 27606, USA
| | - Shuwen Wang
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA 99210, USA
| | - Gavin P. Robertson
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
| | - Shobhan Gaddameedhi
- Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh, NC 27606, USA
| | - Jiyue Zhu
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA 99210, USA
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Huang C, Lau TWS, Smoller BR. Diagnosing Cutaneous Melanocytic Tumors in the Molecular Era: Updates and Review of Literature. Dermatopathology (Basel) 2024; 11:26-51. [PMID: 38247727 PMCID: PMC10801542 DOI: 10.3390/dermatopathology11010005] [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: 10/31/2023] [Revised: 01/08/2024] [Accepted: 01/09/2024] [Indexed: 01/23/2024] Open
Abstract
Over the past decade, molecular and genomic discoveries have experienced unprecedented growth, fundamentally reshaping our comprehension of melanocytic tumors. This review comprises three main sections. The first part gives an overview of the current genomic landscape of cutaneous melanocytic tumors. The second part provides an update on the associated molecular tests and immunohistochemical stains that are helpful for diagnostic purposes. The third section briefly outlines the diverse molecular pathways now utilized for the classification of cutaneous melanomas. The primary goal of this review is to provide a succinct overview of the molecular pathways involved in melanocytic tumors and demonstrate their practical integration into the realm of diagnostic aids. As the molecular and genomic knowledge base continues to expand, this review hopes to serve as a valuable resource for healthcare professionals, offering insight into the evolving molecular landscape of cutaneous melanocytic tumors and its implications for patient care.
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Affiliation(s)
- Chelsea Huang
- Department of Pathology, Loma Linda University Medical Center, Loma Linda, CA 92354, USA
| | | | - Bruce R. Smoller
- Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY 14642, USA;
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Sun J, Lui K, Pang Q, Xu M, Zhao H, Shao J, Yu Y, Chu X, Liang Y, Xu J, Shen Z. miR-656-3p inhibits melanomas in vitro and in vivo by inducing senescence via inhibiting LMNB2. J Cancer Res Clin Oncol 2023; 149:10781-10796. [PMID: 37314513 DOI: 10.1007/s00432-023-04953-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 05/29/2023] [Indexed: 06/15/2023]
Abstract
BACKGROUND Ultra-Violet Radiation (UVR) is the most significant exogenous contributor to skin aging. UVB causes the senescence of melanocytes, which results in a permanent arrest in the proliferative process. Senescence is also regarded as a physiological tumor-suppressing mechanism of normal cells. However, the mechanism of the relationship between melanocyte senescence and melanoma was not sufficiently clarified. METHODS Melanocytes and melanoma cells were irradiated with UVB for the indicated time. The miRNA expression profile of melanocytes were obtained by miRNA sequencing and confirmed by real-time PCR. Cell count kit-8 assays, cell cycle assays were also employed to explore the effect of miR-656-3p and LMNB2 on senescence. Dual-luciferase reporter assays were applied to determine the miRNA targets. Finally, a xenograft model and a photoaging model of mice were conducted to verified the function of miR-656-3p in vivo. RESULTS Melanoma cells did not alter into a senescence stage and the expressions of miR-656-3p had no significant changes under the same intensity of UVB radiation. miR-656-3p appeared to be upregulated in melanocytes rather than melanoma cells after UVB radiation. miR-656-3p could promote the photoaging of human primary melanocytes by targeting LMNB2. Finally, overexpression of miR-656-3p significantly induced senescence and inhibited the growth of melanomas in vitro and in vivo. CONCLUSION Our work not only demonstrated the mechanism by which miR-656-3p induced the senescence of melanocytes but also proposed a treatment strategy for melanomas by using miR-656-3p to induce senescence.
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Affiliation(s)
- Jiaqi Sun
- Department of Plastic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - KaHo Lui
- Department of Plastic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qianqian Pang
- Department of Plastic Surgery, Ningbo No. 2 Hospital, Ningbo, China
| | - Mingyuan Xu
- Department of Plastic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Haibo Zhao
- Department of Plastic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jinjin Shao
- Center of Safety Evaluation and Research, Hangzhou Medical College, Hangzhou, China
| | - Yijia Yu
- Department of Plastic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xi Chu
- Department of Plastic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yehua Liang
- Department of Plastic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jinghong Xu
- Department of Plastic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Zeren Shen
- Department of Plastic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
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Soo JK, Castle JT, Bennett DC. Preferential killing of melanoma cells by a p16-related peptide. Biol Open 2023; 12:bio059965. [PMID: 37522264 PMCID: PMC10445694 DOI: 10.1242/bio.059965] [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: 04/11/2023] [Accepted: 07/25/2023] [Indexed: 08/01/2023] Open
Abstract
We report the identification of a synthetic, cell-penetrating peptide able to kill human melanoma cells efficiently and selectively, while being less toxic to normal human melanocytes and nontoxic to human fibroblasts. The peptide is based on the target-binding site of the melanoma suppressor and senescence effector p16 (also known as INK4A or CDKN2A), coupled to a cell-penetrating moiety. The killing is by apoptosis and appears to act by a route other than the canonical downstream target of p16 and CDK4, the retinoblastoma (RB) protein family, as it is also effective in HeLa cells and a melanocyte line expressing HPV E7 oncogenes, which both lack any active RB. There was varying toxicity to other types of cancer cell lines, such as glioblastoma. Melanoma cell killing by a p16-derived peptide was reported once before but only at a higher concentration, while selectivity and generality were not previously tested.
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Affiliation(s)
- Julia K. Soo
- Molecular & Clinical Sciences Research Institute, St George's, University of London, Cranmer Terrace, London SW17 0RE, UK
| | - Joanna T. Castle
- Molecular & Clinical Sciences Research Institute, St George's, University of London, Cranmer Terrace, London SW17 0RE, UK
| | - Dorothy C. Bennett
- Molecular & Clinical Sciences Research Institute, St George's, University of London, Cranmer Terrace, London SW17 0RE, UK
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Liu J, Zheng R, Zhang Y, Jia S, He Y, Liu J. The Cross Talk between Cellular Senescence and Melanoma: From Molecular Pathogenesis to Target Therapies. Cancers (Basel) 2023; 15:cancers15092640. [PMID: 37174106 PMCID: PMC10177054 DOI: 10.3390/cancers15092640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 05/02/2023] [Accepted: 05/05/2023] [Indexed: 05/15/2023] Open
Abstract
Melanoma is a malignant skin tumor that originates from melanocytes. The pathogenesis of melanoma involves a complex interaction that occurs between environmental factors, ultraviolet (UV)-light damage, and genetic alterations. UV light is the primary driver of the skin aging process and development of melanoma, which can induce reactive oxygen species (ROS) production and the presence of DNA damage in the cells, and results in cell senescence. As cellular senescence plays an important role in the relationship that exists between the skin aging process and the development of melanoma, the present study provides insight into the literature concerning the topic at present and discusses the relationship between skin aging and melanoma, including the mechanisms of cellular senescence that drive melanoma progression, the microenvironment in relation to skin aging and melanoma factors, and the therapeutics concerning melanoma. This review focuses on defining the role of cellular senescence in the process of melanoma carcinogenesis and discusses the targeting of senescent cells through therapeutic approaches, highlighting the areas that require more extensive research in the field.
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Affiliation(s)
- Jiahua Liu
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
| | - Runzi Zheng
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
| | - Yanghuan Zhang
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
| | - Shuting Jia
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
| | - Yonghan He
- Key Laboratory of Healthy Aging Research of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650201, China
| | - Jing Liu
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
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8
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Goff PS, Castle JT, Kohli JS, Sviderskaya EV, Bennett DC. Isolation, Culture, and Transfection of Melanocytes. Curr Protoc 2023; 3:e774. [PMID: 37154440 DOI: 10.1002/cpz1.774] [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: 05/10/2023]
Abstract
Located in the basal epidermis and hair follicles, melanocytes of the integument are responsible for its coloration through production of melanin pigments. Melanin is produced in a type of lysosome-related-organelle (LRO) called the melanosome. In humans, this skin pigmentation acts as an ultraviolet radiation filter. Abnormalities in the division of melanocytes are quite common, with potentially oncogenic growth usually followed by cell senescence producing benign naevi (moles), or occasionally, melanoma. Therefore, melanocytes are a useful model for studying both cellular senescence and melanoma, as well as many other aspects of biology such as pigmentation, organelle biogenesis and transport, and the diseases affecting these mechanisms. Melanocytes for use in basic research can be obtained from a range of sources, including surplus postoperative skin or from congenic murine skin. Here we describe methods to isolate and culture melanocytes from both human and murine skin (including the preparation of mitotically inactive keratinocytes for use as feeder cells). We also describe a high-throughput transfection protocol for human melanocytes and melanoma cells. © 2023 The Authors. Current Protocols published by Wiley Periodicals LLC. Basic Protocol 1: Primary explantation of human melanocytic cells Basic Protocol 2: Preparation of keratinocyte feeder cells for use in the primary culture of mouse melanocytes Basic Protocol 3: Primary culture of melanocytes from mouse skin Basic Protocol 4: Transfection of human melanocytes and melanoma cells.
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Affiliation(s)
- Philip S Goff
- Cell Biology Research Section, Molecular and Clinical Sciences Research Institute, St. George's, University of London, London, United Kingdom
| | - Joanna T Castle
- Cell Biology Research Section, Molecular and Clinical Sciences Research Institute, St. George's, University of London, London, United Kingdom
| | - Jaskaren S Kohli
- Cell Biology Research Section, Molecular and Clinical Sciences Research Institute, St. George's, University of London, London, United Kingdom
- Current address: Division of Infection and Immunity, University College London, London, United Kingdom
| | - Elena V Sviderskaya
- Cell Biology Research Section, Molecular and Clinical Sciences Research Institute, St. George's, University of London, London, United Kingdom
| | - Dorothy C Bennett
- Cell Biology Research Section, Molecular and Clinical Sciences Research Institute, St. George's, University of London, London, United Kingdom
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9
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The Complex Interplay between Nevi and Melanoma: Risk Factors and Precursors. Int J Mol Sci 2023; 24:ijms24043541. [PMID: 36834954 PMCID: PMC9964821 DOI: 10.3390/ijms24043541] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/30/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
One effort to combat the rising incidence of malignant melanoma is focused on early detection by the clinical and dermoscopic screening of melanocytic nevi. However, the interaction between nevi, which are congenital or acquired benign melanocytic proliferations, and melanoma is still enigmatic. On the one hand, the majority of melanomas are thought to form de novo, as only a third of primary melanomas are associated with a histologically identifiable nevus precursor. On the other hand, an increased number of melanocytic nevi is a strong risk factor for developing melanoma, including melanomas that do not derive from nevi. The formation of nevi is modulated by diverse factors, including pigmentation, genetic risk factors, and environmental sun exposure. While the molecular alterations that occur during the progression of a nevus to melanoma have been well characterized, many unanswered questions remain surrounding the process of nevus to melanoma evolution. In this review, we discuss clinical, histological, molecular, and genetic factors that influence nevus formation and progression to melanoma.
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Momeni-Boroujeni A, Yousefi E, Gupta S, Benayed R, Berger MF, Ladanyi M, Monroe R, Kim J, Jungbluth A, Weigelt B, Park KJ. Evaluation of TERT mRNA expression using RNAscope®: A potential histopathologic diagnostic and prognostic tool. Pathol Res Pract 2022; 233:153892. [DOI: 10.1016/j.prp.2022.153892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 04/07/2022] [Indexed: 11/29/2022]
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Hodis E, Triglia ET, Kwon JYH, Biancalani T, Zakka LR, Parkar S, Hütter JC, Buffoni L, Delorey TM, Phillips D, Dionne D, Nguyen LT, Schapiro D, Maliga Z, Jacobson CA, Hendel A, Rozenblatt-Rosen O, Mihm MC, Garraway LA, Regev A. Stepwise-edited, human melanoma models reveal mutations' effect on tumor and microenvironment. Science 2022; 376:eabi8175. [PMID: 35482859 PMCID: PMC9427199 DOI: 10.1126/science.abi8175] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Establishing causal relationships between genetic alterations of human cancers and specific phenotypes of malignancy remains a challenge. We sequentially introduced mutations into healthy human melanocytes in up to five genes spanning six commonly disrupted melanoma pathways, forming nine genetically distinct cellular models of melanoma. We connected mutant melanocyte genotypes to malignant cell expression programs in vitro and in vivo, replicative immortality, malignancy, rapid tumor growth, pigmentation, metastasis, and histopathology. Mutations in malignant cells also affected tumor microenvironment composition and cell states. Our melanoma models shared genotype-associated expression programs with patient melanomas, and a deep learning model showed that these models partially recapitulated genotype-associated histopathological features as well. Thus, a progressive series of genome-edited human cancer models can causally connect genotypes carrying multiple mutations to phenotype.
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Affiliation(s)
- Eran Hodis
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02115, USA
- Harvard-MIT Division of Health Sciences and Technology, Harvard Medical School, Boston, MA 02115, USA
| | | | - John Y. H. Kwon
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02115, USA
| | | | - Labib R. Zakka
- Department of Dermatology, Brigham and Women’s Hospital, Boston, MA 02115, USA
- Harvard Medical School, Boston, MA 02115, USA
| | - Saurabh Parkar
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | | | - Lorenzo Buffoni
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Toni M. Delorey
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Devan Phillips
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Danielle Dionne
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Lan T. Nguyen
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Denis Schapiro
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Laboratory of Systems Pharmacology, Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Zoltan Maliga
- Laboratory of Systems Pharmacology, Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Connor A. Jacobson
- Laboratory of Systems Pharmacology, Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Ayal Hendel
- The Mina and Everard Goodman Faculty of Life Sciences and Advanced Materials and Nanotechnology Institute, Bar-Ilan University, Ramat-Gan 52900, Israel
| | | | - Martin C. Mihm
- Department of Dermatology, Brigham and Women’s Hospital, Boston, MA 02115, USA
- Harvard Medical School, Boston, MA 02115, USA
| | - Levi A. Garraway
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02115, USA
- Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA
| | - Aviv Regev
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA
- Koch Institute for Integrative Cancer Research, Department of Biology, MIT, Cambridge, MA 02139, USA
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12
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Chen Z, Guo Y, Zhao D, Zou Q, Yu F, Zhang L, Xu L. Comprehensive Analysis Revealed that CDKN2A is a Biomarker for Immune Infiltrates in Multiple Cancers. Front Cell Dev Biol 2022; 9:808208. [PMID: 35004697 PMCID: PMC8733648 DOI: 10.3389/fcell.2021.808208] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 12/06/2021] [Indexed: 01/22/2023] Open
Abstract
The CDKN2A (cyclin dependent kinase inhibitor 2A/multiple tumor suppressor 1) gene, also known as the P16 gene, encodes multiple tumor suppressor 1 (MTS1), which belongs to the INK4 family. In tumor tissue, CDKN2A has a high expression level compared with normal tissue and reflects prognosis in tumor patients. Our research targeted the analysis of CDKN2A expression in 33 tumors and clinical parameters, patient prognosis and tumor immunity roles. The CDKN2A expression level was significantly correlated with the tumor mutation burden (TMB) in 10 tumors, and the expression of CDKN2A was also correlated with MSI (microsatellite instability) in 10 tumors. CDKN2A expression was associated with infiltrating lymphocyte (TIL) levels in 22 pancancers, thus suggesting that CDKN2A expression is associated with tumor immunity. Enrichment analysis indicated that CDKN2A expression was involved in natural killer cell-mediated cytotoxicity pathways, antigen processing and presentation, olfactory transduction pathways, and regulation of the autophagy pathway in multiple cancers. CDKN2A was significantly associated with several immune cell infiltrates in pantumors. CDKN2A may serve as a promising prognostic biomarker and is associated with immune infiltrates across cancers.
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Affiliation(s)
- Zheng Chen
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, China.,School of Applied Chemistry and Biological Technology, Shenzhen Polytechnic, Shenzhen, China
| | - Yingjie Guo
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, China.,School of Electronic and Communication Engineering, Shenzhen Polytechnic, Shenzhen, China
| | - Da Zhao
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, China.,School of Applied Chemistry and Biological Technology, Shenzhen Polytechnic, Shenzhen, China
| | - Quan Zou
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, China
| | - Fusheng Yu
- Beidahuang Industry Group General Hospital, Harbin, China
| | - Lijun Zhang
- School of Applied Chemistry and Biological Technology, Shenzhen Polytechnic, Shenzhen, China
| | - Lei Xu
- School of Electronic and Communication Engineering, Shenzhen Polytechnic, Shenzhen, China
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Lu S, Louphrasitthiphol P, Goradia N, Lambert JP, Schmidt J, Chauhan J, Rughani MG, Larue L, Wilmanns M, Goding CR. TBX2 controls a proproliferative gene expression program in melanoma. Genes Dev 2021; 35:1657-1677. [PMID: 34819350 PMCID: PMC8653791 DOI: 10.1101/gad.348746.121] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 10/22/2021] [Indexed: 12/20/2022]
Abstract
Senescence shapes embryonic development, plays a key role in aging, and is a critical barrier to cancer initiation, yet how senescence is regulated remains incompletely understood. TBX2 is an antisenescence T-box family transcription repressor implicated in embryonic development and cancer. However, the repertoire of TBX2 target genes, its cooperating partners, and how TBX2 promotes proliferation and senescence bypass are poorly understood. Here, using melanoma as a model, we show that TBX2 lies downstream from PI3K signaling and that TBX2 binds and is required for expression of E2F1, a key antisenescence cell cycle regulator. Remarkably, TBX2 binding in vivo is associated with CACGTG E-boxes, present in genes down-regulated by TBX2 depletion, more frequently than the consensus T-element DNA binding motif that is restricted to Tbx2 repressed genes. TBX2 is revealed to interact with a wide range of transcription factors and cofactors, including key components of the BCOR/PRC1.1 complex that are recruited by TBX2 to the E2F1 locus. Our results provide key insights into how PI3K signaling modulates TBX2 function in cancer to drive proliferation.
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Affiliation(s)
- Sizhu Lu
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Pakavarin Louphrasitthiphol
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom.,Department of Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Nishit Goradia
- European Molecular Biology Laboratory, Hamburg Unit, 22607 Hamburg, Germany
| | - Jean-Philippe Lambert
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada.,Department of Molecular Medicine and Cancer Research Centre, Université Laval, Québec City, Québec G1R 3S3, Canada; CHU de Québec Research Center, Centre Hospitalier de l'Université Laval, Québec City, Québec G1V 4G2, Canada
| | - Johannes Schmidt
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Jagat Chauhan
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Milap G Rughani
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Lionel Larue
- Institut Curie, PSL Research University, U1021, Institut National de la Santé et de la Recherche Médicale, Normal and Pathological Development of Melanocytes, 91405 Orsay Cedex, France.,Université Paris-Sud, Université Paris-Saclay, UMR 3347 Centre National de la Recherche Scientifique, 91405 Orsay Cedex, France.,Equipe Labellisée Ligue Contre le Cancer, 91405 Orsay Cedex, France
| | - Matthias Wilmanns
- European Molecular Biology Laboratory, Hamburg Unit, 22607 Hamburg, Germany.,University Hamburg Clinical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Colin R Goding
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
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14
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Hamm M, Sohier P, Petit V, Raymond JH, Delmas V, Le Coz M, Gesbert F, Kenny C, Aktary Z, Pouteaux M, Rambow F, Sarasin A, Charoenchon N, Bellacosa A, Sanchez-Del-Campo L, Mosteo L, Lauss M, Meijer D, Steingrimsson E, Jönsson GB, Cornell RA, Davidson I, Goding CR, Larue L. BRN2 is a non-canonical melanoma tumor-suppressor. Nat Commun 2021; 12:3707. [PMID: 34140478 PMCID: PMC8211827 DOI: 10.1038/s41467-021-23973-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 05/27/2021] [Indexed: 12/13/2022] Open
Abstract
While the major drivers of melanoma initiation, including activation of NRAS/BRAF and loss of PTEN or CDKN2A, have been identified, the role of key transcription factors that impose altered transcriptional states in response to deregulated signaling is not well understood. The POU domain transcription factor BRN2 is a key regulator of melanoma invasion, yet its role in melanoma initiation remains unknown. Here, in a BrafV600E PtenF/+ context, we show that BRN2 haplo-insufficiency promotes melanoma initiation and metastasis. However, metastatic colonization is less efficient in the absence of Brn2. Mechanistically, BRN2 directly induces PTEN expression and in consequence represses PI3K signaling. Moreover, MITF, a BRN2 target, represses PTEN transcription. Collectively, our results suggest that on a PTEN heterozygous background somatic deletion of one BRN2 allele and temporal regulation of the other allele elicits melanoma initiation and progression.
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Affiliation(s)
- Michael Hamm
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France
- Equipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Pierre Sohier
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France
- Equipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Valérie Petit
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France
- Equipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Jérémy H Raymond
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France
- Equipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Véronique Delmas
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France
- Equipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Madeleine Le Coz
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France
- Equipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Franck Gesbert
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France
- Equipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Colin Kenny
- Department of Anatomy and Cell biology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Zackie Aktary
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France
- Equipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Marie Pouteaux
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France
- Equipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Florian Rambow
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France
- Equipes Labellisées Ligue Contre le Cancer, Paris, France
| | - Alain Sarasin
- Laboratory of Genetic Instability and Oncogenesis, UMR8200 CNRS, Gustave Roussy, Université Paris-Sud, Villejuif, France
| | - Nisamanee Charoenchon
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France
- Equipes Labellisées Ligue Contre le Cancer, Paris, France
- Department of Pathobiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Alfonso Bellacosa
- Cancer Epigenetics Program, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Luis Sanchez-Del-Campo
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford, UK
| | - Laura Mosteo
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford, UK
| | - Martin Lauss
- Department of Oncology, Clinical Sciences Lund, Lund University and Skåne University Hospital, Lund, Sweden
| | - Dies Meijer
- Centre of Neuroregeneration, University of Edinburgh, Edinburgh, UK
| | - Eirikur Steingrimsson
- Department of Biochemistry and Molecular Biology, and Department of Anatomy, BioMedical Center, Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - Göran B Jönsson
- Department of Oncology, Clinical Sciences Lund, Lund University and Skåne University Hospital, Lund, Sweden
| | - Robert A Cornell
- Department of Anatomy and Cell biology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Irwin Davidson
- Department of Anatomy and Cell biology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Department of Functional Genomics and Cancer, Institut de Génétique et de Biologie Moléculaire et Cellulaire, CNRS/INSERM/UNISTRA, 1 Rue Laurent Fries, 67404, Illkirch, Cedex, France
| | - Colin R Goding
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford, UK.
| | - Lionel Larue
- Institut Curie, Université PSL, CNRS UMR3347, Inserm U1021, Normal and Pathological Development of Melanocytes, Orsay, France.
- Université Paris-Saclay, CNRS UMR3347, Inserm U1021, Signalisation radiobiologie et cancer, Orsay, France.
- Equipes Labellisées Ligue Contre le Cancer, Paris, France.
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15
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Transcriptional signatures underlying dynamic phenotypic switching and novel disease biomarkers in a linear cellular model of melanoma progression. Neoplasia 2021; 23:439-455. [PMID: 33845354 PMCID: PMC8042650 DOI: 10.1016/j.neo.2021.03.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/21/2021] [Accepted: 03/12/2021] [Indexed: 11/23/2022] Open
Abstract
Despite advances in therapeutics, the progression of melanoma to metastasis still confers a poor outcome to patients. Nevertheless, there is a scarcity of biological models to understand cellular and molecular changes taking place along disease progression. Here, we characterized the transcriptome profiles of a multi-stage murine model of melanoma progression comprising a nontumorigenic melanocyte lineage (melan-a), premalignant melanocytes (4C), nonmetastatic (4C11-) and metastasis-prone (4C11+) melanoma cells. Clustering analyses have grouped the 4 cell lines according to their differentiated (melan-a and 4C11+) or undifferentiated/"mesenchymal-like" (4C and 4C11-) morphologies, suggesting dynamic gene expression patterns associated with the transition between these phenotypes. The cell plasticity observed in the murine melanoma progression model was corroborated by molecular markers described during stepwise human melanoma differentiation, as the differentiated cell lines in our model exhibit upregulation of transitory and melanocytic markers, whereas "mesenchymal-like" cells show increased expression of undifferentiated and neural crest-like markers. Sets of differentially expressed genes (DEGs) were detected at each transition step of tumor progression, and transcriptional signatures related to malignancy, metastasis and epithelial-to-mesenchymal transition were identified. Finally, DEGs were mapped to their human orthologs and evaluated in uni- and multivariate survival analyses using gene expression and clinical data of 703 drug-naïve primary melanoma patients, revealing several independent candidate prognostic markers. Altogether, these results provide novel insights into the molecular mechanisms underlying the phenotypic switch taking place during melanoma progression, reveal potential drug targets and prognostic biomarkers, and corroborate the translational relevance of this unique sequential model of melanoma progression.
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16
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Rivera HM, Muñoz EN, Osuna D, Florez M, Carvajal M, Gómez LA. Reciprocal Changes in miRNA Expression with Pigmentation and Decreased Proliferation Induced in Mouse B16F1 Melanoma Cells by L-Tyrosine and 5-Bromo-2'-Deoxyuridine. Int J Mol Sci 2021; 22:ijms22041591. [PMID: 33562431 PMCID: PMC7914888 DOI: 10.3390/ijms22041591] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/31/2020] [Accepted: 01/03/2021] [Indexed: 12/15/2022] Open
Abstract
Background: Many microRNAs have been identified as critical mediators in the progression of melanoma through its regulation of genes involved in different cellular processes such as melanogenesis, cell cycle control, and senescence. However, microRNAs’ concurrent participation in syngeneic mouse B16F1 melanoma cells simultaneously induced decreased proliferation and differential pigmentation by exposure to 5-Brd-2′-dU (5’Bromo-2-deoxyuridine) and L-Tyr (L-Tyrosine) respectively, is poorly understood. Aim: To evaluate changes in the expression of microRNAs and identify which miRNAs in-network may contribute to the functional bases of phenotypes of differential pigmentation and reduction of proliferation in B16F1 melanoma cells exposed to 5-Brd-2′-dU and L-Tyr. Methods: Small RNAseq evaluation of the expression profiles of miRNAs in B16F1 melanoma cells exposed to 5-Brd-2′-dU (2.5 μg/mL) and L-Tyr (5 mM), as well as the expression by qRT-PCR of some molecular targets related to melanogenesis, cell cycle, and senescence. By bioinformatic analysis, we constructed network models of regulation and co-expression of microRNAs. Results: We confirmed that stimulation or repression of melanogenesis with L-Tyr or 5-Brd-2′-dU, respectively, generated changes in melanin concentration, reduction in proliferation, and changes in expression of microRNAs 470-3p, 470-5p, 30d-5p, 129-5p, 148b-3p, 27b-3p, and 211-5p, which presented patterns of coordinated and reciprocal co-expression, related to changes in melanogenesis through their putative targets Mitf, Tyr and Tyrp1, and control of cell cycle and senescence: Cyclin D1, Cdk2, Cdk4, p21, and p27. Conclusions: These findings provide insights into the molecular biology of melanoma of the way miRNAs are coordinated and reciprocal expression that may operate in a network as molecular bases for understanding changes in pigmentation and decreased proliferation induced in B16F1 melanoma cells exposed to L-Tyr and 5-Brd-2′-dU.
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Affiliation(s)
- Hernán Mauricio Rivera
- Department of Medicine, Universidad Nacional de Colombia, Bogotá 111321, Colombia; (H.M.R.); (E.N.M.)
- Molecular Physiology Group, Sub-Direction of Scientific and Technological Research, Direction of Public Health Research, National Institute of Health, Bogotá 111321, Colombia
| | - Esther Natalia Muñoz
- Department of Medicine, Universidad Nacional de Colombia, Bogotá 111321, Colombia; (H.M.R.); (E.N.M.)
- Molecular Physiology Group, Sub-Direction of Scientific and Technological Research, Direction of Public Health Research, National Institute of Health, Bogotá 111321, Colombia
| | - Daniel Osuna
- Science Department, Universidad Nacional de Colombia, Bogotá 111321, Colombia; (D.O.); (M.F.); (M.C.)
| | - Mauro Florez
- Science Department, Universidad Nacional de Colombia, Bogotá 111321, Colombia; (D.O.); (M.F.); (M.C.)
| | - Michael Carvajal
- Science Department, Universidad Nacional de Colombia, Bogotá 111321, Colombia; (D.O.); (M.F.); (M.C.)
| | - Luis Alberto Gómez
- Molecular Physiology Group, Sub-Direction of Scientific and Technological Research, Direction of Public Health Research, National Institute of Health, Bogotá 111321, Colombia
- Department of Physiological Sciences, Faculty of Medicine, Universidad Nacional de Colombia, Bogotá 111321, Colombia
- Correspondence:
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17
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Dai H, Guo L, Lin M, Cheng Z, Li J, Tang J, Huan X, Huang Y, Xu K. Comprehensive analysis and identification of key genes and signaling pathways in the occurrence and metastasis of cutaneous melanoma. PeerJ 2020; 8:e10265. [PMID: 33240619 PMCID: PMC7680623 DOI: 10.7717/peerj.10265] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 10/07/2020] [Indexed: 01/02/2023] Open
Abstract
Background Melanoma is a malignant tumor of melanocytes, and the incidence has increased faster than any other cancer over the past half century. Most primary melanoma can be cured by local excision, but metastatic melanoma has a poor prognosis. Cutaneous melanoma (CM) is prone to metastasis, so the research on the mechanism of melanoma occurrence and metastasis will be beneficial to diagnose early, improve treatment, and prolong life survival. In this study, we compared the gene expression of normal skin (N), primary cutaneous melanoma (PM) and metastatic cutaneous melanoma (MM) in the Gene Expression Omnibus (GEO) database. Then we identified the key genes and molecular pathways that may be involved in the development and metastasis of cutaneous melanoma, thus to discover potential markers or therapeutic targets. Methods Three gene expression profiles (GSE7553, GSE15605 and GSE46517) were downloaded from the GEO database, which contained 225 tissue samples. R software identified the differentially expressed genes (DEGs) between pairs of N, PM and MM samples in the three sets of data. Subsequently, we analyzed the gene ontology (GO) function and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway of the DEGs, and constructed a protein-protein interaction (PPI) network. MCODE was used to seek the most important modules in PPI network, and then the GO function and KEGG pathway of them were analyzed. Finally, the hub genes were calculated by the cytoHubba in Cytoscape software. The Cancer Genome Atlas (TCGA) data were analyzed using UALCAN and GEPIA to validate the hub genes and analyze the prognosis of patients. Results A total of 134, 317 and 147 DEGs were identified between N, PM and MM in pair. GO functions and KEGG pathways analysis results showed that the upregulated DEGs mainly concentrated in cell division, spindle microtubule, protein kinase activity and the pathway of transcriptional misregulation in cancer. The downregulated DEGs occurred in epidermis development, extracellular exosome, structural molecule activity, metabolic pathways and p53 signaling pathway. The PPI network obtained the most important module, whose GO function and KEGG pathway were enriched in oxidoreductase activity, cell division, cell exosomes, protein binding, structural molecule activity, and metabolic pathways. 14, 18 and 18 DEGs were identified respectively as the hub genes between N, PM and MM, and TCGA data confirmed the expression differences of hub genes. In addition, the overall survival curve of hub genes showed that the differences in these genes may lead to a significant decrease in overall survival of melanoma patients. Conclusions In this study, several hub genes were found from normal skin, primary melanoma and metastatic melanoma samples. These hub genes may play an important role in the production, invasion, recurrence or death of CM, and may provide new ideas and potential targets for its diagnosis or treatment.
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Affiliation(s)
- Hanying Dai
- Department of Laboratory Medicine, the Third Xiangya Hospital, Central South University, ChangSha, HuNan, People's Republic of China.,Department of Laboratory Medicine, Xiangya School of Medicine, Central South University, ChangSha, HuNan, People's Republic of China
| | - Lihuang Guo
- Department of Laboratory Medicine, the Third Xiangya Hospital, Central South University, ChangSha, HuNan, People's Republic of China.,Department of Laboratory Medicine, Xiangya School of Medicine, Central South University, ChangSha, HuNan, People's Republic of China
| | - Mingyue Lin
- Department of Laboratory Medicine, the Third Xiangya Hospital, Central South University, ChangSha, HuNan, People's Republic of China.,Department of Laboratory Medicine, Xiangya School of Medicine, Central South University, ChangSha, HuNan, People's Republic of China
| | - Zhenbo Cheng
- Department of Laboratory Medicine, the Third Xiangya Hospital, Central South University, ChangSha, HuNan, People's Republic of China.,Department of Laboratory Medicine, Xiangya School of Medicine, Central South University, ChangSha, HuNan, People's Republic of China
| | - Jiancheng Li
- Department of Laboratory Medicine, the Third Xiangya Hospital, Central South University, ChangSha, HuNan, People's Republic of China.,Department of Laboratory Medicine, Xiangya School of Medicine, Central South University, ChangSha, HuNan, People's Republic of China
| | - Jinxia Tang
- Department of Laboratory Medicine, the Third Xiangya Hospital, Central South University, ChangSha, HuNan, People's Republic of China.,Department of Laboratory Medicine, Xiangya School of Medicine, Central South University, ChangSha, HuNan, People's Republic of China
| | - Xisha Huan
- Department of Laboratory Medicine, the Third Xiangya Hospital, Central South University, ChangSha, HuNan, People's Republic of China.,Department of Laboratory Medicine, Xiangya School of Medicine, Central South University, ChangSha, HuNan, People's Republic of China
| | - Yue Huang
- Department of Laboratory Medicine, the Third Xiangya Hospital, Central South University, ChangSha, HuNan, People's Republic of China.,Department of Laboratory Medicine, Xiangya School of Medicine, Central South University, ChangSha, HuNan, People's Republic of China
| | - Keqian Xu
- Department of Laboratory Medicine, the Third Xiangya Hospital, Central South University, ChangSha, HuNan, People's Republic of China.,Department of Laboratory Medicine, Xiangya School of Medicine, Central South University, ChangSha, HuNan, People's Republic of China
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18
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Patel S, Wilkinson CJ, Sviderskaya EV. Loss of Both CDKN2A and CDKN2B Allows for Centrosome Overduplication in Melanoma. J Invest Dermatol 2020; 140:1837-1846.e1. [PMID: 32067956 PMCID: PMC7435684 DOI: 10.1016/j.jid.2020.01.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 12/23/2019] [Accepted: 01/13/2020] [Indexed: 02/06/2023]
Abstract
Centrosomes duplicate only once in coordination with the DNA replication cycle and have an important role in segregating genetic material. In contrast, most cancer cells have centrosome aberrations, including supernumerary centrosomes, and this correlates with aneuploidy and genetic instability. The tumor suppressors p16 (CDKN2A) and p15 (CDKN2B) (encoded by the familial melanoma CDKN2 locus) inhibit CDK4/6 activity and have important roles in cellular senescence. p16 is also associated with suppressing centrosomal aberrations in breast cancer; however, the role of p15 in centrosome amplification is unknown. Here, we investigated the relationship between p15 and p16 expression, centrosome number abnormalities, and melanoma progression in cell lines derived from various stages of melanoma progression. We found that normal human melanocyte lines did not exhibit centrosome number abnormalities, whereas those from later stages of melanoma did. Additionally, under conditions of S-phase block, p15 and p16 status determined whether centrosome overduplication would occur. Indeed, removal of p15 from p16-negative cell lines derived from various stages of melanoma progression changed cells that previously would not overduplicate their centrosomes into cells that did. Although this study used cell lines in vitro, it suggests that, during clinical melanoma progression, sequential loss of p15 and p16 provides conditions for centrosome duplication to become deregulated with consequences for genome instability.
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Affiliation(s)
- Shyamal Patel
- Cell Biology Research Centre, Molecular and Clinical Sciences Research Institute, St. George's, University of London, Cranmer Terrace, London, United Kingdom
| | - Christopher J Wilkinson
- Centre for Biomedical Sciences, Department of Biological Sciences, School of Life Sciences and the Environment, Royal Holloway University of London, Egham, United Kingdom
| | - Elena V Sviderskaya
- Cell Biology Research Centre, Molecular and Clinical Sciences Research Institute, St. George's, University of London, Cranmer Terrace, London, United Kingdom.
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19
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Buj R, Chen CW, Dahl ES, Leon KE, Kuskovsky R, Maglakelidze N, Navaratnarajah M, Zhang G, Doan MT, Jiang H, Zaleski M, Kutzler L, Lacko H, Lu Y, Mills GB, Gowda R, Robertson GP, Warrick JI, Herlyn M, Imamura Y, Kimball SR, DeGraff DJ, Snyder NW, Aird KM. Suppression of p16 Induces mTORC1-Mediated Nucleotide Metabolic Reprogramming. Cell Rep 2020; 28:1971-1980.e8. [PMID: 31433975 PMCID: PMC6716532 DOI: 10.1016/j.celrep.2019.07.084] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 07/01/2019] [Accepted: 07/23/2019] [Indexed: 02/07/2023] Open
Abstract
Reprogrammed metabolism and cell cycle dysregulation are two cancer hallmarks. p16 is a cell cycle inhibitor and tumor suppressor that is upregulated during oncogene-induced senescence (OIS). Loss of p16 allows for uninhibited cell cycle progression, bypass of OIS, and tumorigenesis. Whether p16 loss affects pro-tumorigenic metabolism is unclear. We report that suppression of p16 plays a central role in reprogramming metabolism by increasing nucleotide synthesis. This occurs by activation of mTORC1 signaling, which directly mediates increased translation of the mRNA encoding ribose-5-phosphate isomerase A (RPIA), a pentose phosphate pathway enzyme. p16 loss correlates with activation of the mTORC1-RPIA axis in multiple cancer types. Suppression of RPIA inhibits proliferation only in p16-low cells by inducing senescence both in vitro and in vivo. These data reveal the molecular basis whereby p16 loss modulates pro-tumorigenic metabolism through mTORC1-mediated upregulation of nucleotide synthesis and reveals a metabolic vulnerability of p16-null cancer cells. Senescence bypass through p16 loss predisposes to transformation and tumorigenesis. Buj et al. found that the loss of p16 upregulates nucleotide metabolism through increased mTORC1-mediated translation of RPIA to bypass senescence in an RB-independent manner. Thus, the mTORC1-RPIA axis is a metabolic vulnerability for p16-null cancers.
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Affiliation(s)
- Raquel Buj
- Department of Cellular & Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Chi-Wei Chen
- Department of Cellular & Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Erika S Dahl
- Department of Cellular & Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Kelly E Leon
- Department of Cellular & Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Rostislav Kuskovsky
- A.J. Drexel Autism Institute, Drexel University, Philadelphia, PA 19104, USA
| | | | - Maithili Navaratnarajah
- Department of Cellular & Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Gao Zhang
- Molecular and Cellular Oncogenesis Program and Melanoma Research Institute, The Wistar Institute, Philadelphia, PA 19104, USA
| | - Mary T Doan
- A.J. Drexel Autism Institute, Drexel University, Philadelphia, PA 19104, USA
| | - Helen Jiang
- A.J. Drexel Autism Institute, Drexel University, Philadelphia, PA 19104, USA
| | - Michael Zaleski
- Department of Pathology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Lydia Kutzler
- Department of Cellular & Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Holly Lacko
- Department of Cellular & Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Yiling Lu
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Gordon B Mills
- Department of Cell, Developmental & Cancer Biology, Oregon Health and Sciences University, Portland, OR 97201, USA
| | - Raghavendra Gowda
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Gavin P Robertson
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Joshua I Warrick
- Department of Pathology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Meenhard Herlyn
- Molecular and Cellular Oncogenesis Program and Melanoma Research Institute, The Wistar Institute, Philadelphia, PA 19104, USA
| | - Yuka Imamura
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Scot R Kimball
- Department of Cellular & Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - David J DeGraff
- Department of Pathology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Nathaniel W Snyder
- A.J. Drexel Autism Institute, Drexel University, Philadelphia, PA 19104, USA
| | - Katherine M Aird
- Department of Cellular & Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA.
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20
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Barboza T, Gomes T, da Costa Medeiros P, Ramos IP, Francischetti I, Monteiro RQ, Gutfilen B, de Souza SAL. Development of 131I-ixolaris as a theranostic agent: metastatic melanoma preclinical studies. Clin Exp Metastasis 2020; 37:489-497. [PMID: 32394234 DOI: 10.1007/s10585-020-10036-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 05/04/2020] [Indexed: 12/13/2022]
Abstract
Tissue factor (TF), a blood coagulation protein, plays an important role in tumor growth, invasion, and metastasis. Ixolaris, a tick-derived non-immunogenic molecule that binds to TF, has demonstrated in vivo inhibitory effect on murine models of melanoma, including primary growth and metastasis. This work aimed to: I) develop an efficient and stable labeling technique of ixolaris with Iodine-131(131I); II) compare the biodistribution of 131I and 131I-ixolaris in tumor-free and melanoma-bearing mice; III) evaluate whether 131I-ixolaris could serve as an antimetastatic agent. Ixolaris radioiodination was performed using iodogen, followed by liquid paper chromatography. Labeling stability and anticoagulant activity were measured. Imaging studies were performed after intravenous administration of free 131I or 131I-ixolaris in a murine melanoma model employing the B16-F10 cell line. Animals were divided in three experimental groups: the first experimental group, D0, received a single-dose of 9.25 MBq of 131I-ixolaris at the same day the animals were inoculated with melanoma cells. In the second group, D15, a single-dose of 9.25 MBq of 131I-ixolaris or free 131I was applied into mice on the fifteenth day after the tumor induction. The third group, D1-D15, received two therapeutic doses of 9.25 MBq of 131I-ixolaris or 131I. In vitro studies demonstrated that 131I-ixolaris is stable for up to 24 h and retains its inhibitory activity on blood coagulation. Biodistribution analysis and metastasis assays showed that all treatment regimens with 131I-ixolaris were effective, being the double-treatment (D1/D15) the most effective one. Remarkably, treatment with free 131I showed no anti-metastatic effect. 131I-ixolaris is a promising theranostic agent for metastatic melanoma.
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Affiliation(s)
- Thiago Barboza
- Departamento de Radiologia, Faculdade de Medicina, Laboratório de Marcação de Células E Moléculas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Tainá Gomes
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Priscylla da Costa Medeiros
- Departamento de Radiologia, Faculdade de Medicina, Laboratório de Marcação de Células E Moléculas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Isalira Peroba Ramos
- Centro Nacional de Bioimagem E Biologia Estrutural, Bloco M, Unidade 2, Centro de Ciências da Saúde, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Ivo Francischetti
- Laboratory of Malaria and Vector Research, NIAID, National Institutes of Health, Bethesda, USA
| | - Robson Q Monteiro
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Bianca Gutfilen
- Departamento de Radiologia, Faculdade de Medicina, Laboratório de Marcação de Células E Moléculas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Sergio Augusto Lopes de Souza
- Departamento de Radiologia, Faculdade de Medicina, Laboratório de Marcação de Células E Moléculas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil. .,Centro Nacional de Bioimagem E Biologia Estrutural, Bloco M, Unidade 2, Centro de Ciências da Saúde, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil.
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21
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DeLeon TT, Almquist DR, Kipp BR, Langlais BT, Mangold A, Winters JL, Kosiorek HE, Joseph RW, Dronca RS, Block MS, McWilliams RR, Kottschade LA, Rumilla KM, Voss JS, Seetharam M, Sekulic A, Markovic SN, Bryce AH. Assessment of clinical outcomes with immune checkpoint inhibitor therapy in melanoma patients with CDKN2A and TP53 pathogenic mutations. PLoS One 2020; 15:e0230306. [PMID: 32196516 PMCID: PMC7083309 DOI: 10.1371/journal.pone.0230306] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 02/27/2020] [Indexed: 12/27/2022] Open
Abstract
Background CDKN2A and TP53 mutations are recurrent events in melanoma, occurring in 13.3% and 15.1% of cases respectively and are associated with poorer outcomes. It is unclear what effect CDKN2A and TP53 mutations have on the clinical outcomes of patients treated with checkpoint inhibitors. Methods All patients with cutaneous melanoma or melanoma of unknown primary who received checkpoint inhibitor therapy and underwent genomic profiling with the 50-gene Mayo Clinic solid tumor targeted cancer gene panel were included. Patients were stratified according to the presence or absence of mutations in BRAF, NRAS, CDKN2A, and TP53. Patients without mutations in any of these genes were termed quadruple wild type (QuadWT). Clinical outcomes including median time to progression (TTP), median overall survival (OS), 6-month and 12-month OS, 6-month and 12-month without progression, ORR and disease control rate (DCR) were analyzed according to the mutational status of CDKN2A, TP53 and QuadWT. Results A total of 102 patients were included in this study of which 14 had mutations of CDKN2A (CDKN2Amut), 21 had TP53 mutations (TP53mut), and 12 were QuadWT. TP53mut, CDKN2Amut and QuadWT mutational status did not impact clinical outcomes including median TTP, median OS, 6-month and 12-month OS, 6-month and 12-month without progression, ORR and DCR. There was a trend towards improved median TTP and DCR in CDKN2Amut cohort and a trend towards worsened median TTP in the QuadWT cohort. Conclusion Cell cycle regulators such as TP53 and CDKN2A do not appear to significantly alter clinical outcomes when immune checkpoint inhibitors are used.
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Affiliation(s)
- Thomas T. DeLeon
- Department of Hematology & Oncology, Mayo Clinic Arizona, Scottsdale, Arizona, United States of America
| | - Daniel R. Almquist
- Department of Hematology & Oncology, Mayo Clinic Arizona, Scottsdale, Arizona, United States of America
| | - Benjamin R. Kipp
- Department of Laboratory Medicine and Pathology, Mayo Clinic Rochester, Rochester, Minnesota, United States of America
| | - Blake T. Langlais
- Department of Biostatistics, Mayo Clinic Arizona, Scottsdale, Arizona, United States of America
| | - Aaron Mangold
- Department of Dermatology, Mayo Clinic Arizona, Scottsdale, Arizona, United States of America
| | - Jennifer L. Winters
- Department of Laboratory Medicine and Pathology, Mayo Clinic Rochester, Rochester, Minnesota, United States of America
| | - Heidi E. Kosiorek
- Department of Biostatistics, Mayo Clinic Arizona, Scottsdale, Arizona, United States of America
| | - Richard W. Joseph
- Department of Hematology & Oncology, Mayo Clinic Rochester, Rochester, Minnesota, United States of America
| | - Roxana S. Dronca
- Department of Hematology & Oncology, Mayo Clinic Rochester, Rochester, Minnesota, United States of America
| | - Matthew S. Block
- Department of Hematology & Oncology, Mayo Clinic Rochester, Rochester, Minnesota, United States of America
| | - Robert R. McWilliams
- Department of Hematology & Oncology, Mayo Clinic Rochester, Rochester, Minnesota, United States of America
| | - Lisa A. Kottschade
- Department of Hematology & Oncology, Mayo Clinic Rochester, Rochester, Minnesota, United States of America
| | - Kandelaria M. Rumilla
- Department of Laboratory Medicine and Pathology, Mayo Clinic Rochester, Rochester, Minnesota, United States of America
| | - Jesse S. Voss
- Department of Laboratory Medicine and Pathology, Mayo Clinic Rochester, Rochester, Minnesota, United States of America
| | - Mahesh Seetharam
- Department of Hematology & Oncology, Mayo Clinic Arizona, Scottsdale, Arizona, United States of America
| | - Aleksandar Sekulic
- Department of Dermatology, Mayo Clinic Arizona, Scottsdale, Arizona, United States of America
- Mayo Clinic Cancer Center, Phoenix, Arizona, United States of America
| | - Svetomir N. Markovic
- Department of Hematology & Oncology, Mayo Clinic Rochester, Rochester, Minnesota, United States of America
| | - Alan H. Bryce
- Department of Hematology & Oncology, Mayo Clinic Arizona, Scottsdale, Arizona, United States of America
- * E-mail:
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22
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Detection of Gene Mutations in Liquid Biopsy of Melanoma Patients: Overview and Future Perspectives. Curr Treat Options Oncol 2020; 21:19. [PMID: 32048063 DOI: 10.1007/s11864-020-0708-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OPINION STATEMENT Liquid biopsies are still far from widely implanted in the clinical arena. Issues related to the added sensitivity of this test beyond conventional methods have not been fully resolved. Additionally, issues related to the specificity of these results especially as many cancers may share common mutation need further investigations. One way to resolve this may include the development and testing of large gene panels to add higher specificity. On the other hand, further studies are needed to support the idea that ctDNA or circulating tumor cells may constitute a better representation of the tumor subpopulation that is capable of metastasizing, which will strongly support its clinical value. Finally, survival studies showing a positive impact of this technology will also justify its widespread implementation in clinical practice.
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23
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Škalamera D, Stevenson AJ, Ehmann A, Ainger SA, Lanagan C, Sturm RA, Gabrielli B. Melanoma mutations modify melanocyte dynamics in co-culture with keratinocytes or fibroblasts. J Cell Sci 2019; 132:jcs.234716. [PMID: 31767623 DOI: 10.1242/jcs.234716] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 11/21/2019] [Indexed: 12/25/2022] Open
Abstract
Melanocytic cell interactions are integral to skin homeostasis, and affect the outcome of multiple diseases, including cutaneous pigmentation disorders and melanoma. By using automated-microscopy and machine-learning-assisted morphology analysis of primary human melanocytes in co-culture, we performed combinatorial interrogation of melanocyte genotypic variants and functional assessment of lentivirus-introduced mutations. Keratinocyte-induced melanocyte dendricity, an indicator of melanocyte differentiation, was reduced in the melanocortin 1 receptor (MC1R) R/R variant strain and by NRAS.Q61K and BRAF.V600E expression, while expression of CDK4.R24C and RAC1.P29S had no detectable effect. Time-lapse tracking of melanocytes in co-culture revealed dynamic interaction phenotypes and hyper-motile cell states that indicated that, in addition to the known role in activating mitogenic signalling, MEK-pathway-activating mutations may also allow melanocytes to escape keratinocyte control and increase their invasive potential. Expanding this combinatorial platform will identify other therapeutic target mutations and melanocyte genetic variants, as well as increase understanding of skin cell interactions.
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Affiliation(s)
- Dubravka Škalamera
- Mater Research Institute, University of Queensland, Translational Research Institute, Brisbane, 4102 QLD, Australia
| | - Alexander J Stevenson
- Mater Research Institute, University of Queensland, Translational Research Institute, Brisbane, 4102 QLD, Australia
| | - Anna Ehmann
- Mater Research Institute, University of Queensland, Translational Research Institute, Brisbane, 4102 QLD, Australia
| | - Stephen A Ainger
- Dermatology Research Centre, The University of Queensland Diamantina Institute, Translational Research Institute, Brisbane, 4102 QLD, Australia
| | - Catherine Lanagan
- Mater Research Institute, University of Queensland, Translational Research Institute, Brisbane, 4102 QLD, Australia
| | - Richard A Sturm
- Dermatology Research Centre, The University of Queensland Diamantina Institute, Translational Research Institute, Brisbane, 4102 QLD, Australia
| | - Brian Gabrielli
- Mater Research Institute, University of Queensland, Translational Research Institute, Brisbane, 4102 QLD, Australia
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Horak V, Palanova A, Cizkova J, Miltrova V, Vodicka P, Kupcova Skalnikova H. Melanoma-Bearing Libechov Minipig (MeLiM): The Unique Swine Model of Hereditary Metastatic Melanoma. Genes (Basel) 2019; 10:E915. [PMID: 31717496 PMCID: PMC6895830 DOI: 10.3390/genes10110915] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 10/31/2019] [Accepted: 11/07/2019] [Indexed: 12/12/2022] Open
Abstract
National cancer databases document that melanoma is the most aggressive and deadly cutaneous malignancy with worldwide increasing incidence in the Caucasian population. Around 10% of melanomas occur in families. Several germline mutations were identified that might help to indicate individuals at risk for preventive interventions and early disease detection. More than 50% of sporadic melanomas carry mutations in Ras/Raf/mitogen-activated protein kinase (MAPK/MEK) pathway, which may represent aims of novel targeted therapies. Despite advances in targeted therapies and immunotherapies, the outcomes in metastatic tumor are still unsatisfactory. Here, we review animal models that help our understanding of melanoma development and treatment, including non-vertebrate, mouse, swine, and other mammal models, with an emphasis on those with spontaneously developing melanoma. Special attention is paid to the melanoma-bearing Libechov minipig (MeLiM). This original swine model of hereditary metastatic melanoma enables studying biological processes underlying melanoma progression, as well as spontaneous regression. Current histological, immunohistochemical, biochemical, genetic, hematological, immunological, and skin microbiome findings in the MeLiM model are summarized, together with development of new therapeutic approaches based on tumor devitalization. The ongoing study of molecular and immunological base of spontaneous regression in MeLiM model has potential to bring new knowledge of clinical importance.
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Affiliation(s)
| | | | | | | | | | - Helena Kupcova Skalnikova
- Czech Academy of Sciences, Institute of Animal Physiology and Genetics, Laboratory of Applied Proteome Analyses and Research Center PIGMOD, 277 21 Libechov, Czech Republic; (V.H.); (A.P.); (J.C.); (V.M.); (P.V.)
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25
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Zeng H, Judson-Torres RL, Shain AH. The Evolution of Melanoma - Moving beyond Binary Models of Genetic Progression. J Invest Dermatol 2019; 140:291-297. [PMID: 31623932 DOI: 10.1016/j.jid.2019.08.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/25/2019] [Accepted: 08/04/2019] [Indexed: 12/30/2022]
Abstract
To date, over 1000 melanocytic neoplasms, spanning all stages of tumorigenesis, have been sequenced, offering detailed views into their -omic landscapes. This has coincided with advances in genetic engineering technologies that allow molecular biologists to edit the human genome with extreme precision and new mouse models to simulate disease progression. In this review, we describe how these technologies are being harnessed to provide insights into the evolution of melanoma at an unprecedented resolution, revealing that prior models of melanoma evolution, in which pathways are turned 'on' or 'off' in a binary fashion during the run-up to melanoma, are oversimplified.
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Affiliation(s)
- Hanlin Zeng
- University of Utah, Department of Dermatology, Huntsman Cancer Institute, Salt Lake City, Utah
| | - Robert L Judson-Torres
- University of Utah, Department of Dermatology, Huntsman Cancer Institute, Salt Lake City, Utah
| | - A Hunter Shain
- University of California San Francisco, Department of Dermatology, Helen Diller Family Comprehensive Cancer Center, San Francisco, California.
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26
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Genes Determining Nevus Count and Dermoscopic Appearance in Australian Melanoma Cases and Controls. J Invest Dermatol 2019; 140:498-501.e17. [PMID: 31421127 DOI: 10.1016/j.jid.2019.05.032] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 05/13/2019] [Accepted: 05/28/2019] [Indexed: 11/21/2022]
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27
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Abstract
In this review, Goding and Arnheiter present the current understanding of MITF's role and regulation in development and disease and highlight key areas where our knowledge of MITF regulation and function is limited. All transcription factors are equal, but some are more equal than others. In the 25 yr since the gene encoding the microphthalmia-associated transcription factor (MITF) was first isolated, MITF has emerged as a key coordinator of many aspects of melanocyte and melanoma biology. Like all transcription factors, MITF binds to specific DNA sequences and up-regulates or down-regulates its target genes. What marks MITF as being remarkable among its peers is the sheer range of biological processes that it appears to coordinate. These include cell survival, differentiation, proliferation, invasion, senescence, metabolism, and DNA damage repair. In this article we present our current understanding of MITF's role and regulation in development and disease, as well as those of the MITF-related factors TFEB and TFE3, and highlight key areas where our knowledge of MITF regulation and function is limited.
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Affiliation(s)
- Colin R Goding
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Heinz Arnheiter
- National Institute of Neurological Disorders and Stroke, National Institutes of Heath, Bethesda, Maryland 20824, USA
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28
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Saida T. Histogenesis of cutaneous malignant melanoma: The vast majority do not develop from melanocytic nevus but arise de novo as melanoma in situ. J Dermatol 2019; 46:80-94. [PMID: 30632197 DOI: 10.1111/1346-8138.14737] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Accepted: 10/25/2018] [Indexed: 11/30/2022]
Abstract
It has been considered that most cutaneous malignant melanomas arise from pre-existing melanocytic nevus. Many clinical and histopathological studies seem to support this concept. Dysplastic nevus originally proposed by Clark's group is a key entity of the intermediate lesion between benign nevus and melanoma. The latest edition of the WHO Classification of Skin Tumours (2018) has excluded Clark nevus (dysplastic nevus of mild atypia) from dysplastic nevus, the latter being now classified into the low- and high-grade by the degrees of nuclear atypia. The World Health Organization classification regards dysplastic nevus of both grades as the intermediate lesion between common acquired nevus and the radial growth-phase melanoma. An extensive genetic study recently performed by Bastian's group indicated the existence of intermediate lesions between nevus and melanoma. In spite of these findings, some investigators doubt the concept of the intermediate lesions including dysplastic nevus and insist that the majority of melanomas arise de novo as melanoma in situ, not in association with a preceding nevus. The concept of de novo genesis of melanoma may be supported by a recent meta-analysis study revealing that 71% of melanomas likely arose de novo and 29% from pre-existing nevus. In this review article, from the viewpoint of de novo genesis of melanoma, the author critically discusses the relevant findings of melanoma genesis and proposes a new framework to interpret the morphological and genetic data alternatively. Clarification of the oncogenic process of melanoma has great impact not only on clinical dermatology but also on basic oncology.
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29
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Allavena G, Del Bello B, Tini P, Volpi N, Valacchi G, Miracco C, Pirtoli L, Maellaro E. Trehalose inhibits cell proliferation and amplifies long‐term temozolomide‐ and radiation‐induced cytotoxicity in melanoma cells: A role for autophagy and premature senescence. J Cell Physiol 2018; 234:11708-11721. [DOI: 10.1002/jcp.27838] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 11/06/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Giulia Allavena
- Department of Molecular and Developmental Medicine University of Siena Siena Italy
| | - Barbara Del Bello
- Department of Molecular and Developmental Medicine University of Siena Siena Italy
| | - Paolo Tini
- Unit of Radiation Oncology, University Hospital of Siena Siena Italy
- Sbarro Health Research Organization, Temple University Philadelphia Pennsylvania
| | - Nila Volpi
- Department of Medicine, Surgery and Neuroscience University of Siena Siena Italy
| | - Giuseppe Valacchi
- Department of Life Sciences and Biotechnology University of Ferrara Ferrara Italy
- Department of Animal Sciences Plants for Human Health Institute, NC State University Kannapolis North Carolina
| | - Clelia Miracco
- Department of Medicine, Surgery and Neuroscience University of Siena Siena Italy
- Unit of Pathological Anatomy, University Hospital of Siena Siena Italy
| | - Luigi Pirtoli
- Unit of Radiation Oncology, University Hospital of Siena Siena Italy
- Department of Medicine, Surgery and Neuroscience University of Siena Siena Italy
- Department of Biology College of Science and Technology, Temple University Philadelphia Pennsylvania
| | - Emilia Maellaro
- Department of Molecular and Developmental Medicine University of Siena Siena Italy
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30
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Regneri J, Klotz B, Wilde B, Kottler VA, Hausmann M, Kneitz S, Regensburger M, Maurus K, Götz R, Lu Y, Walter RB, Herpin A, Schartl M. Analysis of the putative tumor suppressor gene cdkn2ab in pigment cells and melanoma of Xiphophorus and medaka. Pigment Cell Melanoma Res 2018; 32:248-258. [PMID: 30117276 DOI: 10.1111/pcmr.12729] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 07/25/2018] [Accepted: 07/27/2018] [Indexed: 01/05/2023]
Abstract
In humans, the CDKN2A locus encodes two transcripts, INK4A and ARF. Inactivation of either one by mutations or epigenetic changes is a frequent signature of malignant melanoma and one of the most relevant entry points for melanomagenesis. To analyze whether cdkn2ab, the fish ortholog of CDKN2A, has a similar function as its human counterpart, we studied its action in fish models for human melanoma. Overexpression of cdkn2ab in a Xiphophorus melanoma cell line led to decreased proliferation and induction of a senescence-like phenotype, indicating a melanoma-suppressive function analogous to mammals. Coexpression of Xiphophorus cdkn2ab in medaka transgenic for the mitfa:xmrk melanoma-inducing gene resulted in full suppression of melanoma development, whereas CRISPR/Cas9 knockout of cdkn2ab resulted in strongly enhanced tumor growth. In summary, this provides the first functional evidence that cdkn2ab acts as a potent tumor suppressor gene in fish melanoma models.
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Affiliation(s)
- Janine Regneri
- Physiological Chemistry, University of Würzburg, Biozentrum, Würzburg, Germany
| | - Barbara Klotz
- Physiological Chemistry, University of Würzburg, Biozentrum, Würzburg, Germany
| | - Brigitta Wilde
- Physiological Chemistry, University of Würzburg, Biozentrum, Würzburg, Germany
| | - Verena A Kottler
- Physiological Chemistry, University of Würzburg, Biozentrum, Würzburg, Germany
| | - Michael Hausmann
- Physiological Chemistry, University of Würzburg, Biozentrum, Würzburg, Germany
| | - Susanne Kneitz
- Physiological Chemistry, University of Würzburg, Biozentrum, Würzburg, Germany
| | | | - Katja Maurus
- Institute of Pathology, University of Würzburg, Würzburg, Germany
| | - Ralph Götz
- Department of Biotechnology and Biophysics, University of Würzburg, Würzburg, Germany
| | - Yuan Lu
- Department of Chemistry & Biochemistry, Molecular Biosciences Research Group, Texas State University, San Marcos, Texas
| | - Ronald B Walter
- Department of Chemistry & Biochemistry, Molecular Biosciences Research Group, Texas State University, San Marcos, Texas
| | - Amaury Herpin
- INRA, Fish Physiology and Genomics Institute (INRA-LPGP), Sexual Differentiation and Oogenesis Group (SDOG), Campus de Beaulieu, Rennes Cedex, France
| | - Manfred Schartl
- Physiological Chemistry, University of Würzburg, Biozentrum, Würzburg, Germany.,Comprehensive Cancer Center, University Clinic Würzburg, Würzburg, Germany.,Hagler Institute for Advanced Study and Department of Biology, Texas A&M University, College Station, Texas
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31
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Hernando B, Swope VB, Guard S, Starner RJ, Choi K, Anwar A, Cassidy P, Leachman S, Kadekaro AL, Bennett DC, Abdel-Malek ZA. In vitro behavior and UV response of melanocytes derived from carriers of CDKN2A mutations and MC1R variants. Pigment Cell Melanoma Res 2018; 32:259-268. [PMID: 30117292 DOI: 10.1111/pcmr.12732] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 08/03/2018] [Accepted: 08/09/2018] [Indexed: 12/19/2022]
Abstract
Coinheritance of germline mutation in cyclin-dependent kinase inhibitor 2A (CDKN2A) and loss-of-function (LOF) melanocortin 1 receptor (MC1R) variants is clinically associated with exaggerated risk for melanoma. To understand the combined impact of these mutations, we established and tested primary human melanocyte cultures from different CDKN2A mutation carriers, expressing either wild-type MC1R or MC1RLOF variant(s). These cultures expressed the CDKN2A product p16 (INK4A) and functional MC1R. Except for 32ins24 mutant melanocytes, the remaining cultures showed no detectable aberrations in proliferation or capacity for replicative senescence. Additionally, the latter cultures responded normally to ultraviolet radiation (UV) by cell cycle arrest, JNK, p38, and p53 activation, hydrogen peroxide generation, and repair of DNA photoproducts. We propose that malignant transformation of melanocytes expressing CDKN2A mutation and MC1RLOF allele(s) requires acquisition of somatic mutations facilitated by MC1R genotype or aberrant microenvironment due to CDKN2A mutation in keratinocytes and fibroblasts.
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Affiliation(s)
- Barbara Hernando
- Department of Medicine, Jaume I University of Castellon, Castellon, Spain
| | - Viki B Swope
- Department of Dermatology, University of Cincinnati, Cincinnati, Ohio
| | - Steven Guard
- Department of Dermatology, University of Cincinnati, Cincinnati, Ohio
| | - Renny J Starner
- Department of Dermatology, University of Cincinnati, Cincinnati, Ohio
| | - Kevin Choi
- Department of Dermatology, University of Cincinnati, Cincinnati, Ohio
| | - Ayesha Anwar
- Department of Dermatology, University of Cincinnati, Cincinnati, Ohio
| | - Pamela Cassidy
- Department of Dermatology, Oregon Health and Sciences University, Portland, Oregon
| | - Sancy Leachman
- Department of Dermatology, Oregon Health and Sciences University, Portland, Oregon
| | | | - Dorothy C Bennett
- Molecular & Clinical Sciences Research Institute, St George's, University of London, London, UK
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32
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BRAF/MAPK and GSK3 signaling converges to control MITF nuclear export. Proc Natl Acad Sci U S A 2018; 115:E8668-E8677. [PMID: 30150413 DOI: 10.1073/pnas.1810498115] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The close integration of the MAPK, PI3K, and WNT signaling pathways underpins much of development and is deregulated in cancer. In principle, combinatorial posttranslational modification of key lineage-specific transcription factors would be an effective means to integrate critical signaling events. Understanding how this might be achieved is central to deciphering the impact of microenvironmental cues in development and disease. The microphthalmia-associated transcription factor MITF plays a crucial role in the development of melanocytes, the retinal pigment epithelium, osteoclasts, and mast cells and acts as a lineage survival oncogene in melanoma. MITF coordinates survival, differentiation, cell-cycle progression, cell migration, metabolism, and lysosome biogenesis. However, how the activity of this key transcription factor is controlled remains poorly understood. Here, we show that GSK3, downstream from both the PI3K and Wnt pathways, and BRAF/MAPK signaling converges to control MITF nuclear export. Phosphorylation of the melanocyte MITF-M isoform in response to BRAF/MAPK signaling primes for phosphorylation by GSK3, a kinase inhibited by both PI3K and Wnt signaling. Dual phosphorylation, but not monophosphorylation, then promotes MITF nuclear export by activating a previously unrecognized hydrophobic export signal. Nonmelanocyte MITF isoforms exhibit poor regulation by MAPK signaling, but instead their export is controlled by mTOR. We uncover here an unanticipated mode of MITF regulation that integrates the output of key developmental and cancer-associated signaling pathways to gate MITF flux through the import-export cycle. The results have significant implications for our understanding of melanoma progression and stem cell renewal.
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Yu S, Xu T, Dai J, Ma M, Tang H, Chi Z, Si L, Cui C, Sheng X, Kong Y, Guo J. TERT copy gain predicts the outcome of high-dose interferon α-2b therapy in acral melanoma. Onco Targets Ther 2018; 11:4097-4104. [PMID: 30046245 PMCID: PMC6054280 DOI: 10.2147/ott.s158239] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Background Asian populations are more likely to develop acral melanoma (AM) than Caucasians. The high-dose interferon (HD-IFN) α-2b regimen is the main adjuvant treatment for AM. TERT encodes the catalytic subunit of telomerase reverse transcriptase, which plays an important role in melanoma. Frequent TERT mutation and increased TERT gene expression have been described in AM. Our study aimed to investigate the status and the clinical significance of TERT copy number in a large cohort of patients with AM and to analyze the relationship between TERT copy number gain and the efficiency of HD-IFN. Patients and methods A total of 573 melanoma samples were retrospectively collected and analyzed for TERT copy number via Sanger sequencing. Clinical data of patients were also collected. Results TERT copy gain (copy number >2) was detected in 257 of the 573 patients with AM (44.9%). Of the 573 patients, 81 (14.1%) had a high copy gain (copy number >4). Patients with ulceration showed a significantly higher copy gain rate of TERT compared to the patients without ulceration (P=0.028). Patients with a tumor thicker than 4 mm also had a higher copy number rate of TERT than those with <4 mm (P=0.048). Our results showed that the overall survival (OS) was not significantly different between patients with and without TERT copy gain (P=0.890). However, among the 278 patients who received an HD-IFN regimen, Kaplan–Meier survival analysis demonstrated a significant correlation between TERT copy gain and relapse-free survival (RFS) (P=0.008). In addition, multivariate Cox regression assays validated TERT copy gain to be an independent prognostic factor of RFS for patients with AM undergoing HD-IFN therapy (hazard ratio =1.50; P=0.019). Conclusion The copy number status of TERT might be a predictor for HD-IFN efficacy, but it is not a prognostic factor of OS in patients with AM.
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Affiliation(s)
- Sifan Yu
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing 100142, China, ;
| | - Tianxiao Xu
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing 100142, China, ;
| | - Jie Dai
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing 100142, China, ;
| | - Meng Ma
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing 100142, China, ;
| | - Huan Tang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing 100142, China, ;
| | - Zhihong Chi
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing 100142, China, ;
| | - Lu Si
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing 100142, China, ;
| | - Chuanliang Cui
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing 100142, China, ;
| | - Xinan Sheng
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing 100142, China, ;
| | - Yan Kong
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing 100142, China, ;
| | - Jun Guo
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing 100142, China, ;
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Zeng H, Jorapur A, Shain AH, Lang UE, Torres R, Zhang Y, McNeal AS, Botton T, Lin J, Donne M, Bastian IN, Yu R, North JP, Pincus L, Ruben BS, Joseph NM, Yeh I, Bastian BC, Judson RL. Bi-allelic Loss of CDKN2A Initiates Melanoma Invasion via BRN2 Activation. Cancer Cell 2018; 34:56-68.e9. [PMID: 29990501 PMCID: PMC6084788 DOI: 10.1016/j.ccell.2018.05.014] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 02/12/2018] [Accepted: 05/30/2018] [Indexed: 02/03/2023]
Abstract
Loss of the CDKN2A tumor suppressor is associated with melanoma metastasis, but the mechanisms connecting the phenomena are unknown. Using CRISPR-Cas9 to engineer a cellular model of melanoma initiation from primary human melanocytes, we discovered that a lineage-restricted transcription factor, BRN2, is downstream of CDKN2A and directly regulated by E2F1. In a cohort of melanocytic tumors that capture distinct progression stages, we observed that CDKN2A loss coincides with both the onset of invasive behavior and increased BRN2 expression. Loss of the CDKN2A protein product p16INK4A permitted metastatic dissemination of human melanoma lines in mice, a phenotype rescued by inhibition of BRN2. These results demonstrate a mechanism by which CDKN2A suppresses the initiation of melanoma invasion through inhibition of BRN2.
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Affiliation(s)
- Hanlin Zeng
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Aparna Jorapur
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA
| | - A Hunter Shain
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA; Department of Pathology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Ursula E Lang
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA; Department of Pathology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Rodrigo Torres
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Yuntian Zhang
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Andrew S McNeal
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Thomas Botton
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA; Department of Pathology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Jue Lin
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA 94143, USA
| | - Matthew Donne
- Department of Anatomy, University of California San Francisco, San Francisco, CA 94143, USA
| | - Ingmar N Bastian
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA; Department of Pathology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Richard Yu
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA; Department of Pathology, University of California San Francisco, San Francisco, CA 94115, USA; Faculty of Medicine, University of British Columbia, Vancouver, BC V6T1Z3, Canada
| | - Jeffrey P North
- Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA; Department of Pathology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Laura Pincus
- Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA; Department of Pathology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Beth S Ruben
- Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA; Department of Pathology, University of California San Francisco, San Francisco, CA 94115, USA; Palo Alto Medical Foundation, Palo Alto, CA 94301, USA
| | - Nancy M Joseph
- Department of Pathology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Iwei Yeh
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA; Department of Pathology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Boris C Bastian
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA; Department of Pathology, University of California San Francisco, San Francisco, CA 94115, USA
| | - Robert L Judson
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA; Department of Dermatology, University of California San Francisco, San Francisco, CA 94115, USA.
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35
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Bourneuf E, Estellé J, Blin A, Créchet F, Schneider MDP, Gilbert H, Brossard M, Vaysse A, Lathrop M, Vincent-Naulleau S, Demenais F. New susceptibility loci for cutaneous melanoma risk and progression revealed using a porcine model. Oncotarget 2018; 9:27682-27697. [PMID: 29963229 PMCID: PMC6021234 DOI: 10.18632/oncotarget.25455] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 05/05/2018] [Indexed: 01/08/2023] Open
Abstract
Despite major advances, it is estimated that a large part of melanoma predisposing genes remains to be discovered. Animal models of spontaneous diseases are valuable tools and experimental crosses can be used to identify and fine-map new susceptibility loci associated with melanoma. We performed a Genome-Wide Association Study (GWAS) of melanoma occurrence and progression (clinical ulceration and presence of metastasis) in a porcine model of spontaneous melanoma, the MeLiM pig. Five loci on chromosomes 2, 5, 7, 8 and 16 showed genome-wide significant associations (p < 5 × 10–6) with either one of these phenotypes. Suggestive associations (p < 5 × 10–5) were also found at 16 additional loci. Moreover, comparison of the porcine results to those reported by human melanoma GWAS indicated shared association signals notably at CDKAL1 and TERT loci but also nearby CCND1, FTO, PLA2G6 and TMEM38B-RAD23B loci. Extensive search of the literature revealed a potential key role of genes at the identified porcine loci in tumor invasion (DST, PLEKHA5, CBY1, LIMK2 and ETV5) and immune response modulation (ETV5, HERC3 and DICER1) of the progression phenotypes. These biological processes are consistent with the clinico-pathological features of MeLiM tumors and can open new routes for future melanoma research in humans.
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Affiliation(s)
- Emmanuelle Bourneuf
- CEA, DRF/iRCM/SREIT/LREG, Jouy-en-Josas, France.,GABI, INRA, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Jordi Estellé
- CEA, DRF/iRCM/SREIT/LREG, Jouy-en-Josas, France.,GABI, INRA, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Amandine Blin
- GABI, INRA, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France.,INSERM, UMR-946, Genetic Variation and Human Diseases Unit, Paris, France.,Outils et Méthodes de la Systématique Intégrative, OMSI-UMS 2700, CNRS MNHN, Muséum National d'Histoire Naturelle, Paris, France
| | - Françoise Créchet
- CEA, DRF/iRCM/SREIT/LREG, Jouy-en-Josas, France.,GABI, INRA, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Maria Del Pilar Schneider
- GABI, INRA, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France.,Present address: Ipsen Innovation, Les Ulis, France
| | - Hélène Gilbert
- GenPhyse, INRA, Université de Toulouse, INPT, ENVT, Castanet Tolosan, France
| | - Myriam Brossard
- INSERM, UMR-946, Genetic Variation and Human Diseases Unit, Paris, France.,Institut Universitaire d'Hématologie, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Amaury Vaysse
- INSERM, UMR-946, Genetic Variation and Human Diseases Unit, Paris, France.,Institut Universitaire d'Hématologie, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Mark Lathrop
- McGill University and Genome Québec Innovation Centre, Montréal, Québec, Canada
| | - Silvia Vincent-Naulleau
- CEA, DRF/iRCM/SREIT/LREG, Jouy-en-Josas, France.,GABI, INRA, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Florence Demenais
- INSERM, UMR-946, Genetic Variation and Human Diseases Unit, Paris, France.,Institut Universitaire d'Hématologie, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
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36
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Fane ME, Chhabra Y, Smith AG, Sturm RA. BRN2, a POUerful driver of melanoma phenotype switching and metastasis. Pigment Cell Melanoma Res 2018; 32:9-24. [PMID: 29781575 DOI: 10.1111/pcmr.12710] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 04/18/2018] [Accepted: 04/25/2018] [Indexed: 12/30/2022]
Abstract
The POU domain family of transcription factors play a central role in embryogenesis and are highly expressed in neural crest cells and the developing brain. BRN2 is a class III POU domain protein that is a key mediator of neuroendocrine and melanocytic development and differentiation. While BRN2 is a central regulator in numerous developmental programs, it has also emerged as a major player in the biology of tumourigenesis. In melanoma, BRN2 has been implicated as one of the master regulators of the acquisition of invasive behaviour within the phenotype switching model of progression. As a mediator of melanoma cell phenotype switching, it coordinates the transition to a dedifferentiated, slow cycling and highly motile cell type. Its inverse expression relationship with MITF is believed to mediate tumour progression and metastasis within this model. Recent evidence has now outlined a potential epigenetic switching mechanism in melanoma cells driven by BRN2 expression that induces melanoma cell invasion. We summarize the role of BRN2 in tumour cell dissemination and metastasis in melanoma, while also examining it as a potential metastatic regulator in other tumour models.
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Affiliation(s)
- Mitchell E Fane
- School of Biomedical Sciences, Institute of Health and Biomedical Innovation at the Translational Research Institute, Queensland University of Technology, Brisbane, QLD, Australia.,Dermatology Research Centre, UQ Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Yash Chhabra
- School of Biomedical Sciences, Institute of Health and Biomedical Innovation at the Translational Research Institute, Queensland University of Technology, Brisbane, QLD, Australia.,Dermatology Research Centre, UQ Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Aaron G Smith
- School of Biomedical Sciences, Institute of Health and Biomedical Innovation at the Translational Research Institute, Queensland University of Technology, Brisbane, QLD, Australia
| | - Richard A Sturm
- Dermatology Research Centre, UQ Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, QLD, Australia
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37
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Dimonitsas E, Liakea A, Sakellariou S, Thymara I, Giannopoulos A, Stratigos A, Soura E, Saetta A, Korkolopoulou P. An update on molecular alterations in melanocytic tumors with emphasis on Spitzoid lesions. ANNALS OF TRANSLATIONAL MEDICINE 2018; 6:249. [PMID: 30069451 DOI: 10.21037/atm.2018.05.23] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Significant progress in the molecular pathology of melanocytic tumors have revealed that benign neoplasms, so-called nevi, are initiated by gain-of-function mutations in one of several primary oncogenes, such as BRAF in acquired melanocytic nevi, NRAS in congenital nevi or GNAQ/GNA11 in blue nevi, with consequent MAPK and PI3K/AKT/mTOR activation. Secondary genetic alterations overcome tumor suppressive mechanisms and allow the progression to intermediate lesions characterized by TERT-p mutation or to invasive melanomas displaying disruption of tumor suppressor genes. Currently, melanoma is molecularly regarded as four different diseases, namely BRAF, NRAS, NF1 and the "triple wild type" subtypes, which are associated with particular clinicopathological features. Melanocytic Spitzoid lesions include benign Spitz nevus, atypical Spitz tumor (AST) and Spitzoid melanoma. This is a challenging diagnostic group, particularly with regard to the distinction between AST and Spitzoid melanoma on clinical and histological grounds. Molecular analysis has identified the presence of HRAS mutation, BAP1 loss (often accompanying by BRAF mutations) or several kinase fusions in distinct categories of Spitz tumors. These aberrations account for the rapid growth characteristic of Spitz nevi. Subsequent growth is halted by various tumor suppressive mechanisms abrogation of which allow the development of AST, now better classified as low-grade melanocytic tumor. Although at present ancillary genetic techniques have not been very helpful in the prediction of biological behavior of AST, they have defined distinct tumor subsets differing with regard to biology and histology. Finally, we discuss how novel molecular markers may assist the differential diagnosis of melanoma, particularly from malignant peripheral nerve sheath tumor (MPNST). It is anticipated that the significant progress in the field of molecular pathology regarding the various types of melanocytic tumors, will eventually contribute to a more accurate histologic categorization, prediction of biologic behavior and personalized treatment.
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Affiliation(s)
- Emmanouil Dimonitsas
- Second Department of General Surgery, Airforce General and Veterans Hospital, Athens, Greece
| | - Aliki Liakea
- First Department of Pathology, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Stratigoula Sakellariou
- First Department of Pathology, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Irene Thymara
- First Department of Pathology, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Andreas Giannopoulos
- Haematology Research Laboratory, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Alexandros Stratigos
- First Department of Dermatology/University Clinic, "Andreas Sygros" Hospital, Athens, Greece
| | - Efthymia Soura
- First Department of Dermatology/University Clinic, "Andreas Sygros" Hospital, Athens, Greece
| | - Angelica Saetta
- First Department of Pathology, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Penelope Korkolopoulou
- First Department of Pathology, National and Kapodistrian University of Athens, Medical School, Athens, Greece
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38
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Martín-Gorgojo A, Nagore E. Melanoma Arising in a Melanocytic Nevus. ACTAS DERMO-SIFILIOGRAFICAS 2018. [DOI: 10.1016/j.adengl.2017.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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39
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Brückmann NH, Pedersen CB, Ditzel HJ, Gjerstorff MF. Epigenetic Reprogramming of Pericentromeric Satellite DNA in Premalignant and Malignant Lesions. Mol Cancer Res 2018; 16:417-427. [PMID: 29330295 DOI: 10.1158/1541-7786.mcr-17-0477] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 10/27/2017] [Accepted: 12/08/2017] [Indexed: 11/16/2022]
Abstract
Repression of repetitive DNA is important for maintaining genomic stability, but is often perturbed in cancer. For instance, the megabase satellite domain at chromosome 1q12 is a common site of genetic rearrangements, such as translocations and deletions. Polycomb-group proteins can be observed as large subnuclear domains called polycomb bodies, the composition and cellular function of which has remained elusive. This study demonstrates that polycomb bodies are canonical subunits of the multiprotein polycomb repressive complex 1 deposited on 1q12 pericentromeric satellite DNA, which are normally maintained as constitutive heterochromatin by other mechanisms. Furthermore, the data reveal that polycomb bodies are exclusive to premalignant and malignant cells, being absent in normal cells. For instance, polycomb bodies are present in melanocytic cells of nevi and conserved in primary and metastatic melanomas. Deposition of polycomb on the 1q12 satellite DNA in melanoma development correlated with reduced DNA methylation levels. In agreement with this, inhibition of DNA methyltransferases, with the hypomethylating agent guadecitabine (SGI-110), was sufficient for polycomb body formation on pericentromeric satellites in primary melanocytes. This suggests that polycomb bodies form in cancer cells with global DNA demethylation to control the stability of pericentromeric satellite DNA. These results reveal a novel epigenetic perturbation specific to premalignant and malignant cells that may be used as an early diagnostic marker for detection of precancerous changes and a new therapeutic entry point.Implications: Pericentromeric satellite DNA is epigenetically reprogrammed into polycomb bodies as a premalignant event with implications for transcriptional activity and genomic stability. Mol Cancer Res; 16(3); 417-27. ©2018 AACR.
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Affiliation(s)
- Nadine Heidi Brückmann
- Department of Cancer and Inflammation Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Christina Bøg Pedersen
- Department of Cancer and Inflammation Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Henrik Jørn Ditzel
- Department of Cancer and Inflammation Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
- Department of Oncology, Odense University Hospital, Odense, Denmark
- Academy of Geriatric Cancer Research (AgeCare), Odense University Hospital, Odense, Denmark
| | - Morten Frier Gjerstorff
- Department of Cancer and Inflammation Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark.
- Academy of Geriatric Cancer Research (AgeCare), Odense University Hospital, Odense, Denmark
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40
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Kohli JS, Mir H, Wasif A, Chong H, Akhras V, Kumar R, Nagore E, Bennett DC. ETS1, nucleolar and non-nucleolar TERT expression in nevus to melanoma progression. Oncotarget 2017; 8:104408-104417. [PMID: 29262649 PMCID: PMC5732815 DOI: 10.18632/oncotarget.22254] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 10/03/2017] [Indexed: 11/25/2022] Open
Abstract
TERT (telomerase reverse transcriptase) is the catalytic component of telomerase. TERT shows little expression in normal somatic cells but is commonly re-expressed in cancers, facilitating immortalization. Recently-discovered TERT promoter mutations create binding sites for ETS-family transcription factors to upregulate TERT. ETS1 is reported to be important for TERT upregulation in melanoma. However it is unclear when in melanoma progression TERT and ETS1 proteins are expressed. To elucidate this question, ETS1 and TERT immunohistochemistry were performed on a panel of benign (n=27) and dysplastic nevi (n=34), radial growth phase (n=29), vertical growth phase (n=25) and metastatic melanomas (n=27). Lesions were scored by percentage of positive cells. ETS1 was readily detectable in all lesions, but not in normal melanocytes. TERT was located in either the nucleolus, the nucleoplasm (non-nucleolar) or both. Non-nucleolar TERT increased in prevalence with progression, from 19% of benign nevi to 78% of metastases. It did not however correlate with cell proliferation (Ki-67 immunostaining), nor differ significantly in prevalence between primary melanomas with or without a TERT promoter mutation. These results demonstrate that ETS1 is expressed very early in melanoma progression, and interestingly only non-nucleolar TERT correlates clearly in prevalence with melanoma progression. It can be acquired at various stages and by mechanisms other than promoter mutations.
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Affiliation(s)
- Jaskaren S. Kohli
- Molecular and Clinical Sciences Research Institute, St George’s, University of London, London, UK
- Current/Present address: European Research Institute for The Biology of Aging, University Medical Center Groningen, Groningen, The Netherlands
| | - Hira Mir
- Department of Cellular Pathology, St George’s University Hospitals NHS Foundation Trust, London, UK
- Current/Present address: King’s College Hospital Foundation Trust, London, UK
| | - Afsheen Wasif
- Department of Cellular Pathology, St George’s University Hospitals NHS Foundation Trust, London, UK
- Current/Present address: King’s College Hospital Foundation Trust, London, UK
| | - Heung Chong
- Molecular and Clinical Sciences Research Institute, St George’s, University of London, London, UK
- Department of Cellular Pathology, St George’s University Hospitals NHS Foundation Trust, London, UK
| | - Victoria Akhras
- Molecular and Clinical Sciences Research Institute, St George’s, University of London, London, UK
- Department of Dermatology, St George’s University Hospitals NHS Foundation Trust, London, UK
| | - Rajiv Kumar
- Division of Molecular Genetic Epidemiology, German Cancer Research Center, Heidelberg, Germany
| | - Eduardo Nagore
- Department of Dermatology, Instituto Valenciano de Oncología, Valencia, Spain
| | - Dorothy C. Bennett
- Molecular and Clinical Sciences Research Institute, St George’s, University of London, London, UK
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41
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Lujambio A. To clear, or not to clear (senescent cells)? That is the question. Bioessays 2017; 38 Suppl 1:S56-64. [PMID: 27417123 DOI: 10.1002/bies.201670910] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 11/30/2015] [Accepted: 12/09/2015] [Indexed: 12/22/2022]
Abstract
Cellular senescence is an anti-proliferative program that restricts the propagation of cells subjected to different kinds of stress. Cellular senescence was initially described as a cell-autonomous tumor suppressor mechanism that triggers an irreversible cell cycle arrest that prevents the proliferation of damaged cells at risk of neoplastic transformation. However, discoveries during the last decade have established that senescent cells can also impact the surrounding tissue microenvironment and the neighboring cells in a non-cell-autonomous manner. These non-cell-autonomous activities are, in part, mediated by the selective secretion of extracellular matrix degrading enzymes, cytokines, chemokines and immune modulators, which collectively constitute the senescence-associated secretory phenotype. One of the key functions of the senescence-associated secretory phenotype is to attract immune cells, which in turn can orchestrate the elimination of senescent cells. Interestingly, the clearance of senescent cells seems to be critical to dictate the net effects of cellular senescence. As a general rule, the successful elimination of senescent cells takes place in processes that are considered beneficial, such as tumor suppression, tissue remodeling and embryonic development, while the chronic accumulation of senescent cells leads to more detrimental consequences, namely, cancer and aging. Nevertheless, exceptions to this rule may exist. Now that cellular senescence is in the spotlight for both anti-cancer and anti-aging therapies, understanding the precise underpinnings of senescent cell removal will be essential to exploit cellular senescence to its full potential.
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Affiliation(s)
- Amaia Lujambio
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.,Liver Cancer Program, Division of Liver Diseases, Department of Medicine, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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Pathways from senescence to melanoma: focus on MITF sumoylation. Oncogene 2017; 36:6659-6667. [PMID: 28825724 DOI: 10.1038/onc.2017.292] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 07/09/2017] [Accepted: 07/11/2017] [Indexed: 12/11/2022]
Abstract
Cutaneous melanoma is a deadly skin cancer that originates from melanocytes. The development of cutaneous melanoma involves a complex interaction between environmental factors, mainly ultraviolet radiation from sunlight, and genetic alterations. Melanoma can also occur from a pre-existing nevus, a benign lesion formed from melanocytes harboring oncogenic mutations that trigger proliferative arrest and senescence entry. Senescence is a potent barrier against tumor progression. As such, the acquisition of mutations that suppress senescence and promote cell division is mandatory for cancer development. This topic appears central to melanoma development because, in humans, several somatic and germline mutations are related to the control of cellular senescence and proliferative activity. Consequently, primary melanoma can be viewed as a paradigm of senescence evasion. In support of this notion, a sumoylation-defective germline mutation in microphthalmia-associated transcription factor (MITF), a master regulator of melanocyte homeostasis, is associated with the development of melanoma. Interestingly, this MITF variant has also been recently reported to negatively impact the program of senescence. This article reviews the genetic alterations that have been shown to be involved in melanoma and that alter the process of senescence to favor melanoma development. Then, the transcription factor MITF and its sumoylation-defective mutant are described. How sumoylation misregulation can change MITF activity and impact the process of senescence is discussed. Finally, the contribution of such information to the development of anti-malignant melanoma strategies is evaluated.
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Martín-Gorgojo A, Nagore E. Melanoma Arising in a Melanocytic Nevus. ACTAS DERMO-SIFILIOGRAFICAS 2017; 109:123-132. [PMID: 28818288 DOI: 10.1016/j.ad.2017.06.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 05/05/2017] [Accepted: 06/02/2017] [Indexed: 02/03/2023] Open
Abstract
The association of melanoma with a preexisting melanocytic nevus varies considerably between series, depending on whether the association is based on histological signs (4%-72%) or a clinically evident lesion (42%-85%). Histological association with a nevus correlates with favorable prognostic factors, whereas a clinical association correlates with unfavorable factors. In this review, we discuss the characteristics of nevus-associated melanoma from different perspectives: Whiteman's divergent pathway hypothesis for the development of cutaneous melanoma; and the factors involved in nevogenicity, including both the genetic and molecular factors involved in the development of the melanoma and its precursor lesions. Finally, a cumulative analysis of the 16 162 cases reported in the literature revealed that 29.8% of melanomas are histologically associated with a melanocytic nevus.
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Affiliation(s)
- A Martín-Gorgojo
- Escuela de Doctorado, Universidad Católica de Valencia San Vicente Mártir, Valencia, España.
| | - E Nagore
- Servicio de Dermatología, Instituto Valenciano de Oncología, Valencia, España
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44
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Cairney CJ, Godwin LS, Bilsland AE, Burns S, Stevenson KH, McGarry L, Revie J, Moore JD, Wiggins CM, Collinson RS, Mudd C, Tsonou E, Sadaie M, Bennett DC, Narita M, Torrance CJ, Keith WN. A 'synthetic-sickness' screen for senescence re-engagement targets in mutant cancer backgrounds. PLoS Genet 2017; 13:e1006942. [PMID: 28806777 PMCID: PMC5570495 DOI: 10.1371/journal.pgen.1006942] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 08/24/2017] [Accepted: 07/25/2017] [Indexed: 12/24/2022] Open
Abstract
Senescence is a universal barrier to immortalisation and tumorigenesis. As such, interest in the use of senescence-induction in a therapeutic context has been gaining momentum in the past few years; however, senescence and immortalisation remain underserved areas for drug discovery owing to a lack of robust senescence inducing agents and an incomplete understanding of the signalling events underlying this complex process. In order to address this issue we undertook a large-scale morphological siRNA screen for inducers of senescence phenotypes in the human melanoma cell line A375P. Following rescreen and validation in a second cancer cell line, HCT116 colorectal carcinoma, a panel of 16 of the most robust hits were selected for further validation based on significance and the potential to be targeted by drug-like molecules. Using secondary assays for detection of senescence biomarkers p21, 53BP1 and senescence associated beta-galactosidase (SAβGal) in a panel of HCT116 cell lines carrying cancer-relevant mutations, we show that partial senescence phenotypes can be induced to varying degrees in a context dependent manner, even in the absence of p21 or p53 expression. However, proliferation arrest varied among genetic backgrounds with predominantly toxic effects in p21 null cells, while cells lacking PI3K mutation failed to arrest. Furthermore, we show that the oncogene ECT2 induces partial senescence phenotypes in all mutant backgrounds tested, demonstrating a dependence on activating KRASG13D for growth suppression and a complete senescence response. These results suggest a potential mechanism to target mutant KRAS signalling through ECT2 in cancers that are reliant on activating KRAS mutations and remain refractory to current treatments.
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Affiliation(s)
- Claire J. Cairney
- Institute of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Lauren S. Godwin
- Molecular and Clinical Sciences Research Institute, St. George's, University of London, London, United Kingdom
| | - Alan E. Bilsland
- Institute of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Sharon Burns
- Institute of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Katrina H. Stevenson
- Institute of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Lynn McGarry
- RNAi Screening Facility, Cancer Research UK Beatson Institute, Glasgow, United Kingdom
| | - John Revie
- Institute of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Jon D. Moore
- Horizon Discovery Ltd, Cambridge Research Park, Waterbeach, Cambridge, United Kingdom
| | - Ceri M. Wiggins
- Horizon Discovery Ltd, Cambridge Research Park, Waterbeach, Cambridge, United Kingdom
| | - Rebecca S. Collinson
- Molecular and Clinical Sciences Research Institute, St. George's, University of London, London, United Kingdom
| | - Clare Mudd
- Horizon Discovery Ltd, Cambridge Research Park, Waterbeach, Cambridge, United Kingdom
| | - Elpida Tsonou
- Horizon Discovery Ltd, Cambridge Research Park, Waterbeach, Cambridge, United Kingdom
| | - Mahito Sadaie
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
| | - Dorothy C. Bennett
- Molecular and Clinical Sciences Research Institute, St. George's, University of London, London, United Kingdom
| | - Masashi Narita
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
| | | | - W. Nicol Keith
- Institute of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, United Kingdom
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45
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Bai X, Kong Y, Chi Z, Sheng X, Cui C, Wang X, Mao L, Tang B, Li S, Lian B, Yan X, Zhou L, Dai J, Guo J, Si L. MAPK Pathway and TERT Promoter Gene Mutation Pattern and Its Prognostic Value in Melanoma Patients: A Retrospective Study of 2,793 Cases. Clin Cancer Res 2017; 23:6120-6127. [PMID: 28720667 DOI: 10.1158/1078-0432.ccr-17-0980] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 06/08/2017] [Accepted: 07/12/2017] [Indexed: 11/16/2022]
Abstract
Purpose: Ethnic differences are conspicuous in melanoma. This study is to obtain a comprehensive view of a genomic landscape and a better understanding of the correlations of gene mutation status with clinicopathologic characteristics and disease prognosis in the Asian population.Experimental Design: A total of 2,793 melanoma patient samples were retrospectively collected and analyzed for mutations in C-KIT, BRAF, NRAS, and PDGFRA coding regions and telomerase reverse transcriptase (TERT) promoter region by Sanger sequencing. Mutations were correlated to clinicopathologic features and overall survival.Results: The incidences of somatic mutations within the BRAF, NRAS, C-KIT, TERT-228, TERT-250, and PDGFRA genes were 23.7%, 10.4%, 8.0%, 5.9%, 5.5%, and 1.4%, respectively. Hotspot mutations accounted for 95.8% and 87.2% of BRAF and NRAS mutations, respectively; meanwhile, C-KIT and PDGFRA mutations showed more heterogeneity. BRAF, C-KIT, and NRAS mutations were mutually exclusive. BRAF, C-KIT, NRAS, and numbers of gene mutations of the MAPK pathway were all independent negative prognostic factors (P = 0.007, other P < 0.001, respectively). In acral melanoma, BRAF, C-KIT, and NRAS mutations were all independent prognostic factors of worse overall survival (all P < 0.001), whereas in mucosal melanoma, only C-KIT was (P = 0.006). Although correlated with BRAF mutations (P = 0.001 and P < 0.001 for C228T and C250T, respectively), TERT promoter gene mutations were not correlated with overall survival (P = 0.406 and 0.256, respectively).Conclusions: The MAPK pathway and TERT promoter gene mutations are differentially represented in the Asian population. Mutations in BRAF, C-KIT, and NRAS have prognostic values that vary by melanoma subtypes. Clinical treatment targeting these critical pathways should be aimed directly at these poor-prognosis subpopulations for maximum potential impact. Clin Cancer Res; 23(20); 6120-7. ©2017 AACR.
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Affiliation(s)
- Xue Bai
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Yan Kong
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Zhihong Chi
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Xinan Sheng
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Chuanliang Cui
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Xuan Wang
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Lili Mao
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Bixia Tang
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Siming Li
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Bin Lian
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Xieqiao Yan
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Li Zhou
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Jie Dai
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China
| | - Jun Guo
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China.
| | - Lu Si
- The Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital and Institute, Beijing, China.
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46
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Ballotti R, Bertolotto C. Deregulated MITF sumoylation: A route to melanoma. Mol Cell Oncol 2017; 4:e1331154. [PMID: 28868345 DOI: 10.1080/23723556.2017.1331154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 05/11/2017] [Accepted: 05/11/2017] [Indexed: 10/19/2022]
Abstract
Metastatic melanoma is a deadly form of skin cancer. Extraordinary breakthroughs have been recently achieved in the treatment of the disease,1 leading to objective increase in patient survival. However, early detection of potential dangerous melanocytic lesions remains the best strategy to avoid metastatic dissemination, which is still the main cause of death in melanoma patients. In 2011, our team identified a germline mutation in microphthalmia-associated transcription factor (MITFE318K ) that predisposes carriers to melanoma. Recently, we demonstrated that this mutation interfered with oncogene-induced senescence, one of the first events that should be overcome to allow melanoma development. Therefore, our works provide important clues on the early steps of melanomagenesis and as such might be useful for prevention or early therapeutic interventions in at risk-patients.
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Affiliation(s)
- Robert Ballotti
- INSERM, U1065 (Équipe 1), Equipe Labélisée ARC 2016, C3M, Nice, France; Université Côte d'Azur, Inserm, C3M, Nice, France
| | - Corine Bertolotto
- INSERM, U1065 (Équipe 1), Equipe Labélisée ARC 2016, C3M, Nice, France; Université Côte d'Azur, Inserm, C3M, Nice, France
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47
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Fiziev P, Akdemir KC, Miller JP, Keung EZ, Samant NS, Sharma S, Natale CA, Terranova CJ, Maitituoheti M, Amin SB, Martinez-Ledesma E, Dhamdhere M, Axelrad JB, Shah A, Cheng CS, Mahadeshwar H, Seth S, Barton MC, Protopopov A, Tsai KY, Davies MA, Garcia BA, Amit I, Chin L, Ernst J, Rai K. Systematic Epigenomic Analysis Reveals Chromatin States Associated with Melanoma Progression. Cell Rep 2017; 19:875-889. [PMID: 28445736 PMCID: PMC5473172 DOI: 10.1016/j.celrep.2017.03.078] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Revised: 02/18/2017] [Accepted: 03/27/2017] [Indexed: 11/19/2022] Open
Abstract
The extent and nature of epigenomic changes associated with melanoma progression is poorly understood. Through systematic epigenomic profiling of 35 epigenetic modifications and transcriptomic analysis, we define chromatin state changes associated with melanomagenesis by using a cell phenotypic model of non-tumorigenic and tumorigenic states. Computation of specific chromatin state transitions showed loss of histone acetylations and H3K4me2/3 on regulatory regions proximal to specific cancer-regulatory genes in important melanoma-driving cell signaling pathways. Importantly, such acetylation changes were also observed between benign nevi and malignant melanoma human tissues. Intriguingly, only a small fraction of chromatin state transitions correlated with expected changes in gene expression patterns. Restoration of acetylation levels on deacetylated loci by histone deacetylase (HDAC) inhibitors selectively blocked excessive proliferation in tumorigenic cells and human melanoma cells, suggesting functional roles of observed chromatin state transitions in driving hyperproliferative phenotype. Through these results, we define functionally relevant chromatin states associated with melanoma progression.
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Affiliation(s)
- Petko Fiziev
- Bioinformatics Interdepartmental Program, University of California, Los Angeles, CA 90095, USA; Department of Biological Chemistry, University of California, Los Angeles, CA 90095, USA; Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, CA 90095, USA
| | - Kadir C Akdemir
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - John P Miller
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Emily Z Keung
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Neha S Samant
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Sneha Sharma
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Christopher A Natale
- Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Christopher J Terranova
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Mayinuer Maitituoheti
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Samirkumar B Amin
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA; Graduate Program in Structural and Computational Biology and Molecular Biophysics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Emmanuel Martinez-Ledesma
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Mayura Dhamdhere
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Jacob B Axelrad
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Amiksha Shah
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Christine S Cheng
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Department of Biology, Boston University, Boston, MA 02215, USA
| | - Harshad Mahadeshwar
- Division of Cancer Medicine, Institute for Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Sahil Seth
- Division of Cancer Medicine, Institute for Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Michelle C Barton
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Alexei Protopopov
- Division of Cancer Medicine, Institute for Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Kenneth Y Tsai
- Division of Internal Medicine, Department of Dermatology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Michael A Davies
- Division of Cancer Medicine, Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Benjamin A Garcia
- Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Ido Amit
- Weizmann Institute of Science, Rehovot 761001, Israel
| | - Lynda Chin
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA; Division of Cancer Medicine, Institute for Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA; Institute for Health Transformation, The University of Texas System, Austin, TX 78701, USA.
| | - Jason Ernst
- Bioinformatics Interdepartmental Program, University of California, Los Angeles, CA 90095, USA; Department of Biological Chemistry, University of California, Los Angeles, CA 90095, USA; Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, CA 90095, USA; Department of Computer Science, University of California, Los Angeles, CA 90095, USA; Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, CA 90095, USA.
| | - Kunal Rai
- Division of Cancer Medicine, Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA.
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Yu B, Wang Y, Yu X, Zhang H, Zhu J, Wang C, Chen F, Liu C, Wang J, Zhu H. Cuprous oxide nanoparticle-inhibited melanoma progress by targeting melanoma stem cells. Int J Nanomedicine 2017; 12:2553-2567. [PMID: 28435246 PMCID: PMC5388199 DOI: 10.2147/ijn.s130753] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Recent studies have shown that metal and metal oxide have a potential function in antitumor therapy. Our previous studies demonstrated that cuprous oxide nanoparticles (CONPs) not only selectively induce apoptosis of tumor cells in vitro but also inhibit the growth and metastasis of melanoma by targeting mitochondria with little hepatic and renal toxicities in mice. As a further study, our current research revealed that CONPs induced apoptosis of human melanoma stem cells (CD271+/high cells) in A375 and WM266-4 melanoma cell lines and could significantly suppress the expression of MITF, SOX10 and CD271 involved in the stemness maintenance and tumorigenesis of melanoma stem cells. CD271+/high cells could accumulate more CONPs than CD271−/low through clathrin-mediated endocytosis. In addition, lower dosage of CONPs exhibited good anti-melanoma effect by decreasing the cell viability, stemness and tumorigenesis of A375 and WM266-4 cells through reducing the expression of SOX10, MITF, CD271 and genes in MAPK pathway involved in tumor progression. Finally, CONPs obviously suppressed the growth of human melanoma in tumor-bearing nonobese diabetic-severe combined immunodeficiency (NOD-SCID) mice, accompanied with tumors structural necrosis and fibrosis remarkably and decreased expression of CD271, SOX10 and MITF. These results above proved the effectiveness of CONPs in inhibiting melanoma progress through multiple pathways, especially through targeting melanoma stem cells.
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Affiliation(s)
- Bin Yu
- Department of Cell Biology, Second Military Medical University.,State Key Laboratory of Genetic Engineering and Collaborative Innovation Center of Genetics and Development, Ministry of Education Key Laboratory of Contemporary Anthropology, Department of Genetics and Development, School of Life Sciences, Fudan University
| | - Ye Wang
- Department of Urinary Surgery
| | - Xinlu Yu
- Department of Cell Biology, Second Military Medical University
| | - Hongxia Zhang
- Department of Cell Biology, Second Military Medical University
| | - Ji Zhu
- Department of Plastic Surgery, Changhai Hospital, Second Military Medical University, Shanghai, People's Republic of China
| | - Chen Wang
- Department of Cell Biology, Second Military Medical University
| | - Fei Chen
- Department of Cell Biology, Second Military Medical University
| | - Changcheng Liu
- Department of Cell Biology, Second Military Medical University
| | - Jingqiang Wang
- State Key Laboratory of Genetic Engineering and Collaborative Innovation Center of Genetics and Development, Ministry of Education Key Laboratory of Contemporary Anthropology, Department of Genetics and Development, School of Life Sciences, Fudan University
| | - Haiying Zhu
- Department of Cell Biology, Second Military Medical University
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49
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Abstract
Cellular senescence is an irreversible arrest of cell proliferation at the G1 stage of the cell cycle in which cells become refractory to growth stimuli. Senescence is a critical and potent defense mechanism that mammalian cells use to suppress tumors. While there are many ways to induce a senescence response, oncogene-induced senescence (OIS) remains the key to inhibiting progression of cells that have acquired oncogenic mutations. In primary cells in culture, OIS induces a set of measurable phenotypic and behavioral changes, in addition to cell cycle exit. Senescence-associated β-Galactosidase (SA-β-Gal) activity is a main hallmark of senescent cells, along with morphological changes that may depend on the oncogene that is activated, or on the primary cell type. Characteristic cellular changes of senescence include increased size, flattening, multinucleation, and extensive vacuolation. At the molecular level, tumor suppressor genes such as p53 and p16 INK4A may play a role in initiation or maintenance of OIS. Activation of a DNA damage response and a senescence-associated secretory phenotype could delineate the onset of senescence. Despite advances in our understanding of how OIS suppresses some tumor types, the in vivo role of OIS in melanocytic nevi and melanoma remains poorly understood and not validated. In an effort to stimulate research in this field, we review in this chapter the known markers of senescence and provide experimental protocols for their identification by immunofluorescent staining in melanocytic nevi and malignant melanoma.
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Affiliation(s)
- Andrew Joselow
- Charles C. Gates Center for Regenerative Medicine, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
- Department of Dermatology, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
- School of Medicine, Tulane University, New Orleans, LA, USA
| | - Darren Lynn
- Charles C. Gates Center for Regenerative Medicine, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
- Department of Dermatology, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
| | - Tamara Terzian
- Charles C. Gates Center for Regenerative Medicine, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
- Department of Dermatology, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
| | - Neil F Box
- Department of Dermatology, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA.
- Charles C. Gates Center for Regenerative Medicine, University of Colorado, Anschutz Medical Campus, RC1-North, P18-8132, Aurora, CO, 80045, USA.
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50
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Kohli JS, Tolomio E, Frigerio S, Maurichi A, Rodolfo M, Bennett DC. Common Delayed Senescence of Melanocytes from Multiple Primary Melanoma Patients. J Invest Dermatol 2016; 137:766-768. [PMID: 27845147 PMCID: PMC5319415 DOI: 10.1016/j.jid.2016.10.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 10/11/2016] [Accepted: 10/21/2016] [Indexed: 12/21/2022]
Affiliation(s)
- Jaskaren S Kohli
- Cell Biology & Genetics Research Centre, Molecular & Clinical Sciences Research Institute, St. George's, University of London, Cranmer Terrace, London, UK
| | - Elena Tolomio
- Department of Surgery, Melanoma and Sarcoma Unit, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Simona Frigerio
- Department of Experimental Oncology and Molecular Medicine, Immunotherapy Unit, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Andrea Maurichi
- Department of Surgery, Melanoma and Sarcoma Unit, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Monica Rodolfo
- Department of Experimental Oncology and Molecular Medicine, Immunotherapy Unit, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Dorothy C Bennett
- Cell Biology & Genetics Research Centre, Molecular & Clinical Sciences Research Institute, St. George's, University of London, Cranmer Terrace, London, UK.
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