نتایج جستجو برای: heme oxygenase 1
تعداد نتایج: 2766098 فیلتر نتایج به سال:
In mammalian cells, heme can be degraded by heme-oxygenases (HO). Heme-oxygenase 1 (HO-1) is known to be the heme inducible isoform, whereas heme-oxygenase 2 (HO-2) is the constitutive enzyme. Here we investigated the presence of HO during erythroid differentiation in human bone marrow erythroid precursors and K562 cells. HO-1 mRNA and protein expression levels were below limits of detection in...
Preeclampsia is a multisystemic disorder of pregnancy characterized by hypertension, proteinuria, and maternal endothelial dysfunction. It is a major cause of maternal and perinatal morbidity and mortality and is thought to be attributable, in part, to inadequate trophoblast invasion. Peroxisome proliferator-activated receptor(PPAR) is a ligand-activated transcription factor expressed in tropho...
The heme oxygenase family of enzymes catalyzes the metabolism of heme to biliverdin, ferrous iron, and carbon monoxide (CO). At least two isoforms exist, heme oxygenase-1 (HO1) and heme oxygenase-2 (HO2), which are encoded by separate genes. HO2 is selectively enriched in neurons, and substantial evidence suggests that HO2-derived CO functions as a neurotransmitter/neuromodulator. However, a mo...
Length polymorphism in heme oxygenase-1 and risk of CKD among patients with coronary artery disease.
The length polymorphism of guanosine thymidine dinucleotide repeats in the heme oxygenase-1 gene promoter is associated with cardiovascular events and mortality in high-risk populations. Experimental data suggest that heme oxygenase-1 protects against kidney disease. However, the association between this polymorphism and long-term risk of CKD in high-risk patients is unknown. We analyzed the al...
The chemokine fractalkine modulates microglial responses in neurodegenerative diseases, including tauopathies, but the mechanistic processes and their relevance in human brain pathologies is not yet known. Here, we show that hippocampal HT22 cells expressing human TAU(P301L) mutant protein produce fractalkine, which in microglia activates AKT, inhibits glycogen synthase kinase-3β and upregulate...
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