ALT	Alternative lengthening of telomeres
AAA+ ATPases	ATPases Associated with diverse cellular Activities
AKTIP	AKT-interacting protein
ATM	Ataxia telangiectasia mutated
ATR	Ataxia telangiectasia and Rad3-related protein
BML	Bloom syndrome protein
CAB box	Cajal body box
CB	Cajal body
CBCA	5′ cap-binding complex
CHIP	C-terminus of HSP70 interacting protein
CR4/5	conserved region 4 and 5
CRISPR	Clustered regularly interspaced short palindromic repeats
CRM1	Chromosomal maintenance 1
CST	CTC1/STN1/TEN1
D-loop	Displacement loop
DAT	Dissociates activities of telomerase
DC	Dyskeratosis congenita
DCP2	Decapping mRNA 2
DCP2	decapping mRNA 2
DHS	DNAse I hypersensitive site
ERE	Estrogen response elements
FANCJ	Fanconi anemia group J helicase
FEN1	FLAP enodnuclease 1
H3K9	Histone 3 Lysine 9
Hdm2	Human double minute 2
HDR	Homology Directed Repair
hESC	human embryonic stem cell
HH	Hoyeraal-Hreidarsson
HIF	hypoxia-inducible factor
hnRNPA1	Heterogeneous nuclear ribonucleoprotein A1
HSP90	Heat Shock Protein 90
hTERT	human telomerase reverse transcriptase
hTR	human telomerase RNA
IFD	Insertion in fingers domain
IPF	Idiopathic pulmonary fibrosis
MCPH1	Microcephalin 1
MKRN1	Makorin ring finger protein 1
MRN	MER11-RAD50-NBS1
NEXT	nuclear exosome targeting
NF-KB	Nuclear factor kappa-light-chain-enhancer of activated B cells
NNS	Nrd1-Nab3-Sen1
PARN	polyadenosine-specific ribonuclease
PARP	poly(ADP-ribose) polymerase
PCNA	Proliferating cell nuclear antigen
PINX1	PIN2/TERF1 interacting, telomerase inhibitor 1
PIP box	PCNA interacting protein box
PK	Protein Kinase
Plk1	Polo-like kinase 1
PNUTS	Protein phosphatase 1 nuclear-trafficking subunit
POT1	Protein of telomeres 1
PUA	pseudouridine synthase and archaeosine transglycosylase
RAP	Repeat addition processivity
Rap1	Repressor activator protein 1
RECQL4	RecQ helicase-like 4
RNAPII	RNA polymerase II
RNP	Ribonucleoprotein
RTEL1	Regulator of telomere length 1
S1P	Sphingosin-1-phosphate
scaRNA	small Cajal body specific RNA
SENP1	sentrin-specific peptidase 1
snoRNA	small nucleolar RNA
Sp1	Specificity protein 1
SSD	C-terminal SHQ1-specific domain
SUMO	Small ubiquitin-like modifier
t-loop	telomere loop
TEL	TPP1 glutamate and leucine-rich
TEN	TERT Essential N-terminal domain
TERRA	Telomeric repeat containing RNA
TF	Transcription Factor
TID	Telomerase inhibitory domain
TIF	Telomere dysfunction induced foci
TIN2	TRF1-interacting nuclear factor 2
TPP1	previously known as TINT1 (TIN2 interacting protein), PTOP (POT1 and TIN2 organizing protein) and PIP1 (POT1 interacting protein)
TRAMP	Trf4/5-Air1/2-Mtr4
TRBD	Telomerase RNA binding domain
TRF1/2	Telomere repeat-binding factors ½
Ubc9	Ubiquitin-conjugating enzyme 9
WRN	Werner syndrome ATP-dependent helicase
XPB	Xeroderma pigmentosum type B
Xrn1	5′-3′ Exoribonuclease 1
Zscan4	Zinc finger and SCAN domain containing 4