ACE	Angiotensin-converting enzyme
ACE2	Angiotensin-converting enzyme 2
AD	Atopic dermatitis
Ang II	Angiotensin II
ANOVA	Analysis of variance
APP	Aminopeptidase P
AT1R, AT2R	Angiotensin receptor 1 and 2
BK	Bradykinin
BMI	Body mass index
COVID-19	Coronavirus disease 2019
CPN, CPB2	Carboxypeptidases N and B2
CRPS	Complex Regional Pain Syndrome
DBK or DBK1-9	Dabsylated bradykinin
DBK1-5, DBK1-8	Enzymatic fragments of DBK
HEPES	2-(4-(2-Hydroxyethyl)-1-piperazinyl)-ethansulfonic acid
hPOP	human Personal Omics Profiling, international consortium “Community-Based Personalized Omics Profiling to Assess the Population’s Omics Variation and Dynamics”
HUPO	Human Proteome Organisation
KKS	Kinin–kallikrein system
NIST	National Institute for Standards and Technology
NRA	Neuropeptide reporter assay
PCA	Principle components analysis
RAS	Renin–angiotensin system
SARS-CoV-2	Severe acute respiratory syndrome coronavirus 2
Std. Dev.	Standard deviation
TLC	Thin-layer chromatography