نتایج جستجو برای: heme oxygenase 1
تعداد نتایج: 2766098 فیلتر نتایج به سال:
Sickle cell disease is a risk factor for invasive bacterial infections, and splenic dysfunction is believed to be the main underlying cause. We have previously shown that the liberation of heme in acute hemolysis can induce heme oxygenase-1 during granulopoiesis, impairing the ability of developing neutrophils to mount a bactericidal oxidative burst, and increasing susceptibility to bacterial i...
A specific antibody was prepared against rat liver heme oxygenase which had been induced by bromobenzene treatment. Immunochemical studies with this antibody (IgG) revealed that heme oxygenases from livers of rats treated with hemin, Cd2+, Co2+, or bromobenzene from rat spleen and also from kidney of Sn2+-treated rats were all immunochemically identical. Cell-free synthesis of heme oxygenase wa...
BACKGROUND Lung inflammation precedes the development of hypoxia-induced pulmonary hypertension (HPH); however, its role in the pathogenesis of HPH is poorly understood. We sought to characterize the hypoxic inflammatory response and to elucidate its role in the development of HPH. We also aimed to investigate the mechanisms by which heme oxygenase-1, an anti-inflammatory enzyme, is protective ...
Background-Heme oxygenase-1 (HO-1) is a cytoprotective protein whose expression is
The effects of various metalloporphyrins on hepatic heme oxygenase (EC 1.14.99.3) activity were examined in order to identify compounds that could inhibit heme degradation to bile pigment and might therefore be utilized to suppress the development of hyperbilirubinemia in the newborn. Among nine metal-protoporphyrin IX chelates (i.e., metal-hemes) studied, Sn-heme, Mn-heme, and Zn-heme substant...
A full-length heme oxygenase gene from the gram-negative pathogen Neisseria meningitidis was cloned and expressed in Escherichia coli. Expression of the enzyme yielded soluble catalytically active protein and caused accumulation of biliverdin within the E. coli cells. The purified HemO forms a 1:1 complex with heme and has a heme protein spectrum similar to that previously reported for the puri...
“VARD” formula consisting of Rosa damascena Mill. (Rosaceae) petal, and rhizomes of Glycyrrhiza glabra L. (Papilionaceae) and Nardostachys jatamansi DC. (Valerianaceae), has been proposed for gastric ulcer in Iranian traditional medicine. We investigated the antiulcer activity of each plant separately and in combination. The biochemical and molecular function of extracts was also evaluated. Eac...
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