What question did this study set out to answer?

The aim is to elucidate the methylation patterns of MGMT in melanoma brain metastases and glioblastoma.

February 28, 2026CellsOpen Access

MGMT Promoter and Enhancer Methylation in Melanoma Brain Metastases and Glioblastoma: Shared and Distinct Features

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Analysis uncovers methylation differences in melanoma and glioblastoma impacting survival.

The aim is to elucidate the methylation patterns of MGMT in melanoma brain metastases and glioblastoma.
Analyzed methylation of MGMT regulatory elements in brain metastases and glioblastoma.
Focused on 12 CpG dinucleotides in the promoter and multiple CpGs in enhancers.
Identified relationships between methylation and MGMT protein expression.
Melanoma brain metastases exhibited distinct methylation patterns compared to glioblastoma.
Glioblastoma showed higher promoter and intergenic enhancer methylation than melanoma.
Stronger associations were found between methylation levels and overall survival in glioblastoma.

Pühringer et al. (2026) studied this question.

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