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HMOX1 — HPX
Text-mined interactions from Literome
Sung et al., Antioxid Redox Signal 2000
:
A role for Cu ( I ) in the
regulation of
HO-1 and MT-1 ( Sung et al., 1999 ) by
hemopexin supports the participation of electron transport processes at the cell surface as does competition by the reductase activator, ferric citrate, which inhibits the induction of MT-1 and HO-1 mRNA by heme-hemopexin
Smith et al., Antioxid Redox Signal 2000
:
Heme oxygenase-1 (HO-1) , transferrin, the transferrin receptor, and ferritin are
regulated by
heme-hemopexin ... Redox processes at the cell surface, which generate cuprous ions, are involved in the
regulation of the MT-1 and
HO-1 genes by
heme-hemopexin before heme catabolism and intracellular release of iron
Escriba et al., DNA Cell Biol 2002
:
Hexamethylene-bisacetamide ( HMBA ), which induces differentiation and activates protein kinase C ( PKC ), synergistically augments the induction of both MT-I and MT-II mRNAs in
response to
heme-hemopexin , but attenuates the induction of
HO-1
Flaherty et al., Biometals 2008
:
Consistent with this, when the acidification of endosomes is prevented by bafilomycin then
heme oxygenase-1 induction by
heme-HPX no longer occurs
Li et al., J Cereb Blood Flow Metab 2009
(Disease Models, Animal...) :
Taken together, these data show that
HPX protects against heme induced toxicity and oxidative stress and that
HO1 is
required
Hunt et al., J Cell Physiol 1996
:
Moreover, the binding of
heme-hemopexin to the cells
stimulates the expression of
heme oxygenase-1 , metallothionein-1, and ferritin