نتایج جستجو برای: glutathione peroxidase (gpx)

تعداد نتایج: 63916  

Journal: :iranian journal of toxicology 0
kanhiya mahour toxicology laboratory, department of zoology, school of life sciences, khandari campus dr.b.r.ambedkar university, agra, india prabhu n saxena toxicology laboratory, department of zoology, school of life sciences, khandari campus dr.b.r.ambedkar university, agra, india

introduction: the fate of xenobiotics that is present, increasing day by day. the increasing fates altered or inhibit the metabolic activities like detoxification and biotransformation. methods: the present study highlights this slow biotransformation and detoxification on the basis of specific enzymes which have a say in assessment of mercuric chloride toxicity and modulation by panax ginseng ...

Journal: :middle east journal of digestive diseases 0
shirin moossavi sima besharat maryam sharafkhah alireza ghanbari amrollah sharifi parisa rezanejad

background oxidative stress plays a major pathogenic role in liver injury following chronic hepatitis b. glutathione peroxidase (gpx) has a central role in regulating the oxidative state. hepatitis b virus (hbv) results in down-regulation of gpx. on the other hand, iron homeostasis is disrupted in hbv infected patients. therefore, the objective of this study was to assess the interplay of gpx a...

Journal: :Indian journal of experimental biology 2002
V Kannan P N Raju

Protection of nitrogenase against oxygen inactivation in diazotrophs involves numerous strategies. Glutathione is known to play an important role in scavenging oxyradicals in many living systems. The involvement of glutathione (reduced) (GSH), glutathione peroxidase (GPX) and glutathione reductase (GR) in the protection of nitrogenase in free living diazotrophs is reported here for the first ti...

Journal: :The Biochemical journal 2000
D Straif O Werz R Kellner U Bahr D Steinhilber

In contrast to neutrophils or B-lymphocytes, cells of the monocytic lineage like rat macrophages, human peripheral blood monocytes and Mono Mac 6 cells contain a strong inhibitor of 5-lipoxygenase (5-LO) activity, which scavenges hydroperoxides and inhibits 5-LO activity in broken-cell preparations in the absence of exogenously added thiols. Chromatographic purification of the inhibitor from th...

Journal: :Plant physiology 2004
Ahmed Gaber Kazuya Yoshimura Masahiro Tamoi Toru Takeda Yoshihisa Nakano Shigeru Shigeoka

Synechocystis PCC 6803 contains two types of glutathione peroxidase-like proteins (GPX-1 and GPX-2) that utilize NADPH but not reduced glutathione and unsaturated fatty acid hydroperoxides or alkyl hydroperoxides. The steady-state transcript level of gpx-1 gradually increased under oxidative stress conditions imposed by high light intensity, high salinity, or application of methylviologen or t-...

Journal: :Circulation 2011
Michael S Wolin

In the current issue of Circulation, Jin et al1 provide insight into how a deficiency in the activity of the primary plasma peroxide-metabolizing enzyme glutathione peroxidase-3 (GPx-3) creates a prothrombotic state with vascular dysfunction. Mice deficient in GPx-3 are shown to have elevated soluble P-selectin (a marker of platelet and prothrombotic activity) and enhanced responses to experime...

Kanhiya Mahour, Prabhu N Saxena,

Introduction: The fate of xenobiotics that is present, increasing day by day. The increasing fates altered or inhibit the metabolic activities like detoxification and biotransformation. Methods: The present study highlights this slow biotransformation and detoxification on the basis of specific enzymes which have a say in assessment of mercuric chloride toxicity and modulation by Panax ginse...

2016
Robert Janowski Sandra Scanu Dierk Niessing Tobias Madl

The mammalian glutathione peroxidase (GPx) family is a key component of the cellular antioxidative defence system. Within this family, GPx4 has unique features as it accepts a large class of hydroperoxy lipid substrates and has a plethora of biological functions, including sperm maturation, regulation of apoptosis and cerebral embryogenesis. In this paper, the structure of the cytoplasmic isofo...

2015
Adham R. Mohamed Gehan Y. Soliman Cherine A. Ismail Hazem F. Mannaa

Abbreviations: Ab, amyloid beta; AD, Alzheimer’s disease; BBB, blood–brain barrier; BDNF, brain derived neurotrophic factor; CSF, cerebrospinal fluid; GPX, glutathione peroxidase; GR, glutathione reductase * Corresponding author. Tel.: +2

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