Table 7.

Genetic regulatory mechanisms: CYP3A4 vs. CYP3A7.

Nuclear Receptor/Transcription Factor NRNC Abbreviation:	Nuclear Receptor/Transcription Factor Full Name:	CYP3A4	CYP3A7
PXR	Pregnane X receptor	Yes	Yes
CAR	Constitutive Androstane receptor	Yes	No
FXR	Farnesoid X receptor	Yes	No
Sp1	Specificity protein 1	?	Yes
Sp3	Specificity protein 3	?	Yes
USF1	Upstream stimulatory factor 1	?	Yes
NF1	Nuclear factor 1	Yes	Yes
HNF-3β	Hepatocyte nuclear factor 3β	Yes	Yes
HNF-4α	Hepatocyte nuclear factor 4α	Yes	Yes
GR	Glucocorticoid receptor	No	Yes
C/EBP	CCAAT enhancer binding protein	Yes	Yes
NFkB	Nuclear factor kappa light chain enhancer of activated B cells	Yes	Yes
XREM	Xenobiotic response enhancer module	Yes	Yes
DBP	D-element binding protein	Yes	No