AChR	Acetylcholine receptor
AP-1	Activator protein 1 (FOS/JUN heterodimer transcription factor)
ASC	Apoptosis-associated speck-like protein containing a CARD
ATF4	Activating transcription factor 4
ATP	Adenosine triphosphate
Bmal1	Brain and muscle ARNT-like 1
CAT	Catalase
Ccl2	C-C motif chemokine ligand 2
CETN2	Centrin-2
CLOCK	Circadian locomotor output cycles kaput
CoQ	Coenzyme Q
CPT1B	Carnitine palmitoyltransferase 1B
CS	Citrate synthase
CuZnSOD	Copper-zinc superoxide dismutase (cytosolic)
CYP26B1	Cytochrome P450 family 26 subfamily B member 1
DHPR	Dihydropyridine receptor (calcium channel)
DRP1	Dynamin-related protein 1
EDL	Extensor digitorum longus
EMRE	Essential MCU regulator
ENO3	Enolase 3
ERK1	Extracellular signal-regulated kinase 1
EZH2	Enhancer of zeste homolog 2
FABP3	Fatty-acid-binding protein 3
FDB	Flexor digitorum brevis
FIS1	Mitochondrial fission 1 protein
FoxO	Forkhead box O
GLUT4	Glucose transporter type 4
GPx	Glutathione peroxidase
GPCPD1	Glycerophosphocholine phosphodiesterase 1
GR	Glutathione reductase
GSH	Glutathione reduced
GSK3	Glycogen synthase kinase 3
GS	Glycogen synthase
GSSG	Glutathione oxidized
HDAC	Histone deacetylase
H2A.Z	Histone variant H2A.Z
H3.1	Histone H3.1
H3.2	Histone H3.2
H3.3	Histone H3.3
HFD	High-fat diet
HK	Hexokinase
HNE	4-hydroxynonenal
ICAM	Intercellular adhesion molecule
IDH	Isocitrate dehydrogenase
IFNγ	Interferon gamma
IGF-1	Insulin-like growth factor 1
IKK	IκB kinase
IL6	Interleukin 6
IKB	Inhibitor of NF-κB
INPPL1	Inositol polyphosphate phosphatase like 1 (SHIP2)
IRS	Insulin receptor substrate
JNK	c-Jun N-terminal kinase
KGDH	Alpha-ketoglutarate dehydrogenase
Ku80	XRCC5 DNA repair protein (Ku heterodimer subunit)
LDH	Lactate dehydrogenase
LMNA	Pre-lamin-A/C
Lrp4	Low-density lipoprotein receptor-related protein 4
MAF	Musculoaponeurotic Fibrosarcomatranscription factor family
MANF	Mesencephalic astrocyte-derived neurotrophic factor
MAST2	Microtubule associated serine/threonine kinase 2
MCAM	Cell adhesion molecule (mentioned in context of muscle aging)
MCU	Mitochondrial calcium uniporter
MCUb	Mitochondrial calcium uniporter dominant-negative subunit b
MEF2	Myocyte enhancer factor 2
MERC	Mitochondria–sarcoplasmic reticulum contact coverage
Mfn	Mitofusin
MHC	Myosin heavy chain
MICOS	Mitochondrial contact site and cristae organizing system complex
Mll2	KMT2B—Lysine methyltransferase 2B
MND	Myonuclear domain
MnSOD	Manganese superoxide dismutase (mitochondrial)
mo	Months-old
MRE11	MRE11 homolog, double-strand break repair nuclease
MTF2	Metal response element-binding transcription factor 2
MuSK	Muscle-specific kinase
NAD+	Nicotinamide adenine dinucleotide (oxidized form)
NADH	Nicotinamide adenine dinucleotide (reduced form)
NF-κB	Nuclear factor kappa B
NMJ	Neuromuscular junction
NRF2	Nuclear factor erythroid 2-related factor 2
Opa1	Mitochondrial Dynamin Like GTPase; also known as ‘Optic atrophy 1’
PARP-1	Poly(ADP-ribose) polymerase 1
PCDHG	Protocadherin gamma cluster
PDH	Pyruvate dehydrogenase
PDK1	Phosphoinositide-dependent kinase 1
PDK2	Phosphoinositide-dependent kinase 2
PFKM	Muscular phosphofructokinase
PGAM2	Phosphoglycerate mutase 2
PGK1	Phosphoglycerate kinase 1
PGM1/2	Phosphoglucomutase 1 and 2
PI3K	Phosphoinositide 3-kinase
PIP3	Phosphatidylinositol (3,4,5)-trisphosphate
PK	Pyruvate kinase
PKM1	Pyruvate kinase muscle isozyme 1
Pofut1	Protein O-fucosyltransferase 1
ROS	Reactive oxygen species
RyR	Ryanodine receptor
SDH	Succinate dehydrogenase
SIRT	Sirtuin
SOD	Superoxide dismutase
SR	Sarcoplasmic reticulum
TNFα	Tumor necrosis factor alpha
VLCAD	Very-long-chain acyl-CoA dehydrogenase
WRN	Werner syndrome helicase