Ca2+	Calcium
ER	Endoplasmic reticulum
SR	Sarcoplasmic reticulum
RER	Rough ER
SER	Smooth ER
CaBP	Calcium-binding proteins
GECI	Genetically encoded calcium indicators
IP3	Inositol 1,4,5-triphosphate
IP3R	Inositol 1,4,5-triphosphate receptor
RyR	Ryanodine receptor
cADPR	Cyclic ADP-ribose
CICR	Calcium induced calcium release
SERCA	Sarco-endoplasmic reticulum Ca2+ ATPase
UPR	Unfolded protein response
MCS	Membrane contact sites
PM	Plasma membrane
MAM	Mitochondria-associated ER membrane
NE	Nuclear envelope
TC	Terminal cisternae
CaM	Calmodulin
4-CmC	4-Chloro-m-cresol
E-C	Excitation-contraction
DHPR	Dihydropyridine receptor
PIP2	Phosphoinositol-4 5-bisphosphate
Mg2+	Magnesium
PLC	Phospholipase C
GPCR	G-protein coupled receptors
PKA	Protein kinase A
PKB	Protein kinase B
CDK1	Cycline-dependent kinase 1
CPA	Cyclopiazonic acid
JP45	Junctional protein 45
CASQ1	Calsequestrin (skeletal muscle)
VDAC	Voltage-dependent anion channel
MCU	Mitochondrial Ca2+ uniporter
VMP1	Vacuole membrane protein 1
TRP	Transient receptor channels
Mfn	Mitofusion proteins
TPC	Two-pore channels
NAADP	Nicotinic acid adenine dinucleotide phosphate
CPVT	Catecholaminergic polymorphic ventricular tachycardia
MH	Malignant hyperthermia
ATP	Adenosine triphosphate
AD	Alzheimer’s disease
SAD	Sporadic AD
FAD	Familial AD
Aβ	Amyloid-beta
τ	Tau
APP	Amyloid precursor protein
PS1	Presenilins 1
PS2	Presenilins 2
SNR	Signal to noise ratio
TnC	Troponin C
FP	Fluorescent protein
Ƭrt	Dissociation time constant
cpEGFP	Single circularly permuted enhanced green fluorescent protein
FDB	Flexor digitorum brevis
FLIM	Fluorescence lifetime imaging microscopy
FRET	Förster resonance energy transfer
CFP	Cyan fluorescent protein
YFP	Yellow fluorescent protein