NAFLD	non-alcoholic fatty liver disease
NASH	non-alcoholic steatohepatitis
CTSD	cathepsin D
HFD	high-fat diet
LFD	low-fat diet
BMDMs	Bone Marrow-derived macrophages
oxLDL	oxidized low-density lipoprotein
Wt	wildtype
LDL(R)	low-density lipoprotein (receptor)
SD	Sprague–Dawley
ELISA	enzyme-linked immune sorbent assay
LCM	L929-conditioned medium
TNF	tumor necrosis factor
LPS	lipopolysaccharide
AST	aspartate transaminase
ALT	alanine transaminase
MetS	metabolic syndrome
Pep-A	Pepstatin-A