The substantial loss of H3K27me3 can stratify risk in grade 2, but not in grade 3 meningioma.
2021
Summary Trimethylation of lysine 27 of histone H3 (H3K27me3) has recently emerged as a crucial epigenetic marker in meningioma. The loss of H3K27me3 expression might predict the early recurrence of grade 1 and 2 meningiomas. However, this is controversial in terms of grade 3 meningioma and the effects of H3K27me3 on the overall survival (OS) of patients with low low-grade meningioma have not been studied. Therefore, we immunohistochemically assessed the prognostic implications of H3K27me3 expression in grade 2 and 3 meningiomas. Whole-slide H3K27me3 immunostaining was evaluated for strict quality control and to confirm a significant correlation (P
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