Results 81 to 90 of about 362,750 (249)

Properties of grape seed proanthocyanidins and quercetin in human lymphocytes [PDF]

open access: yesArchives of Biological Sciences, 2008
This study addresses the in vitro protective effects of proanthocyanidins and quercetin on the frequency of micronuclei with reference to the antioxidant status of cultured human lymphocytes also subjected to 2 Gy of γ-radiation. Treatment of lymphocytes
Stanković Miroslava, Horvat Anica
doaj   +1 more source

Inhibition of TXNRD or SOD1 overcomes NRF2-mediated resistance to β-lapachone [PDF]

open access: yes, 2020
Alterations in the NRF2/KEAP1 pathway result in the constitutive activation of NRF2, leading to the aberrant induction of antioxidant and detoxification enzymes, including NQO1.
Boothman, David A.   +6 more
core   +1 more source

Glucose deprivation activates a metabolic and signaling amplification loop leading to cell death. [PDF]

open access: yes, 2012
The altered metabolism of cancer can render cells dependent on the availability of metabolic substrates for viability. Investigating the signaling mechanisms underlying cell death in cells dependent upon glucose for survival, we demonstrate that glucose ...
Graeber, Thomas G   +12 more
core  

Autonomous propulsion of carbon nanotubes powered by a multienzyme ensemble [PDF]

open access: yes, 2008
Covalent attachment of the enzymes glucose oxidase and catalase to carbon nanotubes enables the tandem catalytic conversion of glucose and H2O2 formed to power autonomous movement of the nanotubes.
Browne, Wesley R.,   +2 more
core   +3 more sources

The Effect of Hydroalcoholic Extract of Glaucium Flavum on the Activity of Anti Oxidative Enzymes in the Heart and Brain of Alloxan Induced Diabetic Rats

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Bābul, 2019
BACKGROUND AND OBJECTIVE: Oxidative stress is the connection between diabetes and neuropathies and micro vascular disorders. This study was designed to investigate the effect of hydroalcoholic extract of Glaucium Flavum on the tissue activity of ...
A Khoshvaghti   +4 more
doaj  

The effects of graded levels of calorie restriction : II. Impact of short term calorie and protein restriction on circulating hormone levels, glucose homeostasis and oxidative stress in male C57BL/6 mice [PDF]

open access: yes, 2015
This work was supported by BBSRC BB009953/1 awarded to JRS and SEM. PK and CD were funded by the Erasmus exchange programme. JRS, SEM, DD, CG, LC, JJDH, YW, DELP, DL and AD are members of the BBSRC China Partnership Award, BB/J020028/1.Peer ...
Chen, Luonan   +12 more
core   +2 more sources

Rat liver antioxidant response to iron and copper overloads [PDF]

open access: yes, 2014
The rat liver antioxidant response to Fe and Cu overloads (0–60 mg/kg) was studied. Dose- and time-responses were determined and summarized by t1/2 and C50, the time and the liver metal content for half maximal oxidative responses.
Boveris, Alberto Antonio   +8 more
core   +1 more source

Effect of Co-Application of Auxin-Producing Plant Growth Promoting Bacteria and Tryptophan on Wheat Growth under Water Stress Conditions

open access: yesTulīd va Farāvarī-i Maḥṣūlāt-i Zirā̒ī va Bāghī, 2022
Auxin produced by plant growth-promoting bacteria (PGPR) in the wheat rhizosphere, can improve plant yield under water deficit stress condition. To investigate this issue, a completely randomized factorial design with three replications was conducted ...
E. Karimi, Z. Mohammadi, E. Esfandyari
doaj  

Effect of Zinc and Bio Fertilizers on Antioxidant Enzymes Activity, Chlorophyll Content, Soluble Sugars and Proline in Triticale Under Salinity Condition

open access: yesNotulae Botanicae Horti Agrobotanici Cluj-Napoca, 2016
In order to study the effects of bio fertilizers and zinc fertilizer on antioxidant enzymes activity, chlorophyll content, soluble sugars and proline in triticale under salinity condition, a factorial experiment was conducted based on randomized complete
Younes KHEIRIZADEH AROUGH   +3 more
doaj   +1 more source

Effect of the Ascorbic Acid, Pyridoxine and Hydrogen Peroxide Treatments on Germination, Catalase Activity, Protein and Malondialdehyde Content of Three Oil Seeds

open access: yesNotulae Botanicae Horti Agrobotanici Cluj-Napoca, 2008
Oil seed production has an important role in human nutrition and industry. Success in oil plant cultivation is related to seed production with high viability and rapid germination, because these seeds rapidly loose their viability by fats oxidation. Thus,
Aria DOLATABADIAN   +1 more
doaj   +1 more source

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