ALC	alcoholism
ALT	alternative lengthening of telomeres
AUT	autism
BP	gene sets related to biological processes; part of Gene Ontology (GO) data base
BPD	bipolar disorder
bp	base pairs (DNA nucleobases)
CD4 & 8	cluster of differentiation 4 and 8; co-receptors of T cells
CG	cytosin and guanine; see CpG
Chr	chromosome
CIMP	CpG island methylator phenotype in colorectal cancer
CpG island	genomic regions with high frequency of cytosine and guanine
CRC	colorectal cancer
CTCF	transcriptional repressor; also known as 11-zinc finger protein
DKC1	dyskerin pseudouridine synthase 1
DN	down-regulation in gene set or pathway analyses
DNA	deoxyribonucleic acid
Dnmt	DNA methylation maintenance methyltransferases
DPR	major depression
E-	expression- (profiles, SOM, spots, or portrait)
E1–E8	expression subtypes of LGG
exSOM	extension SOM transfer learning approach
EZH1	histone-lysine N-methyltransferase
GBM	glioblastoma WHO grade IV
GEO	Gene Expression Omnibus repository for Transcriptome data
GCIMP	glioma CpG island hypermethylation phenotype; associated with IHD mutation
GPCR	G-protein-coupled receptors
GO	Gene Ontology database
GSZ	gene set Z-score
H3K	methylation of lysine side chains (histone subunit 3) at positions 4, 9, 27 or 36
Het	heterochromatin
HetRpts	heterochromatin repeats
HR	homologous recombination
IDH	isocitrate dehydrogenase
IDH-A	IDH-mutated astrocytoma-like subset of gliomas with chromosome 1p19q intact
IDH-mut	gliomas carrying mutation in IDH genes
IDH-O	IDH-mutated oligodendroglioma-like subset of gliomas with chromosome 1p19q intact
IDH-wt	gliomas with wildtype IDH genes
KEGG	Kyoto Encyclopedia of Genes and Genomes; database of cellular pathways
KTM	lysine methyltransferases
KDM	lysine demethylases
LGG	lower-grade diffuse gliomas (WHO grade II and III)
M-	methylation- (profiles, SOM, spots, or portrait)
M1-M6	methylation subtypes of LGG
MES	mesenchymal subtype of gliobalstomas according to Verhaak et al. (2010)
MHC	Major Histocompatibility Complex
NL	neuronal-like subset of gliomas according to Verhaak et al. (2010)
NPC	neuronal progenitors
PA	pilocytic astrozytoma
PCM	pairwise correlation map
PRC1&2	polycomb repressive complex 1 and 2
PSF	pathway signal flow algorithm
RA	Reactome cellular pathway database
RC	repressive complexes
RepPRC	repressed polycomb states
RepPCWk	repressed polycomb states, weak
SCZ	schizophrenia
SOM	Self-organizing map
TEL	telomerase
TERT	telomerase reverse transcriptase
Tet1–Tet3	DNA demethylases
TM	telomere length maintenance
Treg	regulatory T cell
TssA/TssP	active/poised gene promoters
Tx	transcribed genes
UP	up-regulation in gene set or pathway analyses
WHSC1	histone-lysine N-methyltransferase
ZNF	zinc finger proteins