ABC	ATP-binding cassette
ALDH	aldehyde dehydrogenase
APL	acute promyelocytic leukemia
ATRA	all-trans retinoic acid
BCRP	breast cancer resistance protein
CRABP	cellular retinoic acid binding protein
CYP	cytochrome P450
FXR	farnesoid X receptor
HAT	histone acetyltransferase
HDAC	histone deacetylase
LRAT	lecithin-retinol acyltransferase
LXR	liver X receptor
MDR	multidrug resistance
NBL	neuroblastoma
Pgp	P-glycoprotein
PPAR	peroxisome proliferator-activated receptor
RAR	retinoic acid receptor
RARE	retinoic acid response element
RBP4	retinol-binding protein
REH	retinyl ester hydrolase
RXR	retinoid X receptor
RXRE	retinoid X response element
STRA	receptors stimulated by retinoic acid
THR	thyroid hormone receptor
XAB2	xeroderma pigmentosum group A-binding protein 2
9cisRA	9-cis retinoic acid
13cisRA	13-cis retinoic acid