Unclassifiable CNS tumors in DNA methylation-based classification: clinical challenges and prognostic impact

R Drexler, F Brembach, J Sauvigny, FL Ricklefs… - Acta Neuropathologica …, 2024 - Springer
DNA methylation analysis has become a powerful tool in neuropathology. Although DNA
methylation-based classification usually shows high accuracy, certain samples cannot be …

Variant allelic frequencies of driver mutations can identify gliomas with potentially false-negative MGMT promoter methylation results

M McCord, P Jamshidi, V Thirunavu… - Acta Neuropathologica …, 2023 - Springer
MGMT promoter methylation testing is required for prognosis and predicting temozolomide
response in gliomas. Accurate results depend on sufficient tumor cellularity, but histologic …

The prognostic impact of subclonal IDH1 mutation in grade 2–4 astrocytomas

M Vij, RT Yokoda, O Rashidipour, I Tran… - Neuro-Oncology …, 2023 - academic.oup.com
Background Isocitrate dehydrogenase (IDH) mutations are thought to represent an early
oncogenic event in glioma evolution, found with high penetrance across tumor cells; …

Pediatric-type high-grade gliomas with PDGFRA amplification in adult patients with Li-Fraumeni syndrome: clinical and molecular characterization of three cases

Y Kibe, F Ohka, K Aoki, J Yamaguchi… - Acta Neuropathologica …, 2024 - Springer
Li-Fraumeni syndrome (LFS) is an autosomal dominant tumor predisposition syndrome
caused by heterozygous germline mutations or deletions in the TP53 tumor suppressor …

Enriched Methylomes of Low-input and Fragmented DNA Using Fragment Ligation EXclusive Methylation Sequencing (FLEXseq)

J Yu, LS Ahmann, YY Yao, W Gu - bioRxiv, 2024 - biorxiv.org
Methylome profiling is an emerging clinical tool for tumor classification and liquid biopsies.
Here, we developed FLEXseq, a genome-wide methylation profiler that enriches and …

[HTML][HTML] DNA Methylation-Based Classification of the Central Nervous System Tumors, Achievements, and Challenges

P Kakodkar, K Conway, L Santana-Santos, M McCord… - 2025 - intechopen.com
The classification, grading, and risk stratification of central nervous system (CNS) tumors
have rapidly evolved with the advent of integrative advanced molecular testing. Here, we …