BDNF	brain-derived neurotrophic factor
BMI	body mass index
BPRS	Brief Psychiatric Rating Scale/Brief Psychopathology Rating Scale
CSF	cerebrospinal fluid
CLO	clozapine-treated patients
ELISA	enzyme-linked immunosorbent assay
FADD	Fas-associated death domain
Fas	cluster of differentiation (CD) 95
FasL	Fas ligand
FASLG	Fas ligand gene
ICD	International Classification of Diseases
IFNα	interferon α
IL	interleukin
mBDNF	mature form of BDNF
MMP-2	metalloproteinase 2
NO-CLO	clozapine-naïve patients
NT-4	neurotrophin-4
p75NTR	p75 neurotrophin receptor
PANSS G	PANSS—general symptoms
PANSS N	PANSS—negative symptoms
PANSS P	PANSS—positive symptoms
PANSS T	PANSS total score
PANSS	Positive and Negative Symptom Scale for Schizophrenia
proBDNF	precursor form of BDNF
SANS	Scale for Assessment of Negative Symptoms
SAPS	Scale for Assessment of Positive Symptoms
TNF-α	tumor necrosis factor-α
Trk	tropomyosin receptor kinase
TrkB	tropomyosin receptor kinase B