Abbreviation	Meaning
AD	Alzheimer’s disease
AP	Alternate pathway
Aβ	Amyloid β protein
ACS	Acute coronary syndromes
AMD	Age-related macular degeneration
AMI	Acute Myocardial Infarction
BA	Biological age
CA	Chronological age
CP	Classical pathway
CNS	Central nervous system
CNV	Choroidal neovascularization
CRP	C-reactive protein
CRT	Calreticulin
CVD	Cardiovascular disease
CVF	Cobra venom factor
C3aR	C3a receptor
C1qbp	C1q binding protein
C5aR	C5a receptor
ERK1/2	Extracellular signal-regulated protein 1/2
Fb	Factor B
Fd	Factor D
FP	Properdin
ICD	International classification of diseases
IC3b	Inactivated C3b
LP	Lectin pathway
LPS	lipopolysaccharide
MAC	Membrane attack complex
MBL	Mannose-binding lectin
MSCs	Mesenchymal stem cells
MASP	MBL-associated serine protease
NFTs	Neurofibrillary tangles
OA	Osteoarthritis
PHF	Paired helical filament
PMNs	Polymorphonuclear neutrophils
PTX	Pertussis toxin
PPA	Pyrophosphate arthritis
RA	Rheumatoid arthritis
ROS	Reactive oxygen species
RPE	Retinal pigment epithelial
RTEC	Renal tubular epithelial cell
SLE	Systemic lupus erythematosus
SASP	Senescence-associated secretory phenotype
TED	Thioester structural domain
VEGF	Vascular endothelial growth factor
WHO	World health organization