TARGETS	LIGANDS
C5a receptor	All trans-retinoic acid (ATRA), tretinoin	IL-6	PAF, platelet activating factor
Caspase	Atorvastatin	IL-8 (CXCL8)	PMX53
CXCL2	C5a complement	IL-10	Simvastatin
CXCR2	Cathelicidin LL-37	IL-12	TNFα
ER-β, oestrogen receptor β	Chloroquine	IL-33
Haem oxygenase 1	Curcumin	LPS
HMG-CoA reductase	DHEA, dehydroepiandrosterone	Metyrapone
NOS	Eritoran	Mifepristone (RU486)
TLR4, Toll-like receptor 4	IL-1β	PACAP, pituitary adenylate cyclase-activating polypeptide

This Table lists key protein targets and ligands in this article which are hyperlinked to corresponding entries in http://www.guidetopharmacology.org, the common portal for data from the IUPHAR/BPS Guide to PHARMACOLOGY (Pawson et al., 2014) and are permanently archived in the Concise Guide to PHARMACOLOGY 2013/14 (Alexander et al., 2013a,b,c,d).