DNA	Desoxyribonucleic acid
TOR	Target of Rapamycin
RNA	Ribonucleic acid
ROS	Reactive Oxygen Species
UV	Ultraviolet
8-OHdG	8-hydroxydeoxyguanosine
rDNA	Ribosomal DNA
ERC	Extrachromosomal Ribosomal DNA Circles
mtDNA	Mitochondrial DNA
DDR	DNA Damage Repair
MMR	Mismatch Repair
BER	Base Excision Repair
NER	Nucleotide Excision Repair
DSB	Double Strand Break
NHEJ	Non-Homologous End Joining
ADP	Adenosine Diphosphate
HMT	Histone Methyltransferase
UPRmt	Mitochondrial Unfolded Protein Response
HAT	Histone Acetyltransferase
HDAC	Histone Deacetylase
DNMT	DNA Methyltransferase
5-mC	5-methylcytosine
CpG	Cytosine-phospho-guanine
DNAm	DNA Methylation
rRNA	Ribosomal RNA
CR	Caloric Restriction
ncRNA	Non-coding RNA
miRNA	microRNA
lncRNA	Long non-coding RNA
IGF	Insulin-like Growth Factor
rRNA	Ribosomal RNA
RNAi	RNA interference
tRNA	Transfer RNA
mRNA	Messenger RNA
SAHF	Senescence-associated Heterochromatin Foci
ChIP	Chromatin Immunoprecipitation
HSC	Hematopoietic Stem Cell
MSC	Mesenchymal Stem Cell
NuRD	Nucleosome Remodeling and histone Deacetylase