PuF, an antimetastatic and developmental signaling protein, interacts with the Alzheimer’s amyloid-β precursor protein via a tissue-specific proximal regulatory element (PRE)

Table 2 Putative TF sites from southwestern blot based on estimated kDa of bands

Band^a	kDa	Nuclear extracts^b	Corresponding TF^c
I	92	NB, HeLa, HeLa+TPA	SP1
II	64	NB, HeLa, HeLa+TPA	R
III	60	PC12, HeLa, HeLa+TPA	USF1, TCERG1
IV	51	NB, HeLa	USF1, AP2, GATA1, GATA2, TCERG1
V	39	NB	GATA1, USF1, AP2, Pax4a, USF2
VI	33	NB, PC12, HeLa, HeLa + TPA	USF1, AP2, Msx1
VII	32	NB, PC12, HeLa, HeLa + TPA	USF1, AP2, Msx1
VIII	23	NB	BTEB2

ISSN: 1471-2164