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Analysis of DNA met...
Analysis of DNA methylation patterns in the tumor immune microenvironment of metastatic melanoma
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- Mitra, Shamik (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Melanoma Genomics,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments
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- Lauss, Martin (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Melanoma Genomics,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments
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- Cabrita, Rita (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Melanoma Genomics,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments
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- Choi, Jiyeon (författare)
- National Cancer Institute, USA
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- Zhang, Tongwu (författare)
- National Cancer Institute, USA
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- Isaksson, Karolin (författare)
- Skåne University Hospital
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- Olsson, Håkan (författare)
- Lund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Lunds Melanomstudiegrupp,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Lund Melanoma Study Group,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments
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- Ingvar, Christian (författare)
- Skåne University Hospital
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- Carneiro, Ana (författare)
- Skåne University Hospital
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- Staaf, Johan (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,LUCC: Lund University Cancer Centre,Other Strong Research Environments
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- Ringnér, Markus (författare)
- Lund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Molecular Cell Biology,Department of Biology,Faculty of Science,National Bioinformatics Infrastructure Sweden (NBIS), SciLifeLab
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- Nielsen, Kari (författare)
- Helsingborg Hospital
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- Brown, Kevin M (författare)
- National Cancer Institute, USA
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- Jönsson, Göran (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Lunds Melanomstudiegrupp,Forskargrupper vid Lunds universitet,Melanoma Genomics,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Lund Melanoma Study Group,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments
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(creator_code:org_t)
- 2020-03-21
- 2020
- Engelska 18 s.
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Ingår i: Molecular Oncology. - : Wiley. - 1574-7891 .- 1878-0261. ; 14:5, s. 933-950
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://febs.onlinel...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The presence of immune cells in the tumor microenvironment has been associated with response to immunotherapies across several cancer types, including melanoma. Despite its therapeutic relevance, characterization of the melanoma immune microenvironments remains insufficiently explored. To distinguish the immune microenvironment in a cohort of 180 metastatic melanoma clinical specimens, we developed a method using promoter CpG methylation of immune cell type-specific genes extracted from genome-wide methylation arrays. Unsupervised clustering identified three immune-methylation clusters with varying levels of immune CpG methylation that are related to patient survival. Matching protein and gene expression data further corroborated the identified epigenetic characterization. Exploration of the possible immune exclusion mechanisms at play revealed likely dependency on MITF protein level and PTEN loss-of-function events for melanomas unresponsive to immunotherapies (immune-low). To understand if melanoma tumors resemble other solid tumors in terms of immune-methylation characteristics, we explored 15 different solid tumor cohorts from TCGA. Low-dimensional projection based on immune cell type-specific methylation revealed grouping of the solid tumors in line with melanoma immune-methylation clusters rather than tumor types. Association of survival outcome with immune cell type-specific methylation differed across tumor and cell types. However, in melanomas immune-cell type-specific methylation was associated with inferior patient survival. Exploration of the immune-methylation patterns in a pan-cancer context suggested that specific immune-microenvironments might occur across the cancer spectrum. Together, our findings underscore the existence of diverse immune microenvironments, which may be informative for future immunotherapeutic applications.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Dermatologi och venereologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dermatology and Venereal Diseases (hsv//eng)
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- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Mitra, Shamik
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Lauss, Martin
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Cabrita, Rita
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Choi, Jiyeon
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Zhang, Tongwu
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Isaksson, Karoli ...
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visa fler...
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Olsson, Håkan
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Ingvar, Christia ...
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Carneiro, Ana
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Staaf, Johan
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Ringnér, Markus
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Nielsen, Kari
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Brown, Kevin M
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Jönsson, Göran
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visa färre...
- Om ämnet
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Klinisk medicin
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och Cancer och onkol ...
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Klinisk medicin
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och Dermatologi och ...
- Artiklar i publikationen
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Molecular Oncolo ...
- Av lärosätet
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Lunds universitet