Table 2.

List of antibodies that reproducibly detect markers of UPR.

Target name	Supplier	Applications
phospho-PERK	#3191; Cell Signaling	WB (1 : 2000), IHC (1 : 100)
phospho-PERK	#3179; Cell Signaling	WB
CHOP	MA1-250, Affinity bioreagents	WB
CHOP	sc-793; Santa Cruz Biotechnology	WB (1 : 1000)
		IHC (1 : 400–1 : 800)
spliced XBP-1	sc-7160;Santa Cruz Biotechnology	WB (1 : 2000)
		IHC (1 : 100)
ATF4	ARP37017_P050; Aviva Systems Biology	WB (1 : 5000)
Grp78	SPA-926; Stressgen	WB (1:1000)
	AB32618; Abcam	IHC (1 : 200)
phospho-eIF2 alpha	#9721; Cell Signaling	WB (1 : 2500), IHC (1 : 100)
total-PERK antibody	sc-9477; Santa Cruz Biotechnology	WB (1 : 1000), IP
IRE1-alpha	#3294; Cell Signaling	WB (1 : 1000)