Sentences with phrase «by reactive oxygen molecules»

It boosts the immune system, protects vision, stops the build - up of oxidised fats, and helps to convert carbohydrates into energy and most crucially reduces the damage done to important cell components caused by reactive oxygen molecules such as free radicals and peroxides7.

Not exact matches

Some experts blame aging on the corrosive capability of chemically reactive oxygen molecules or «oxidants» churned out by mitochondria inside cells.

In a third study published online by Science on 6 April (www.sciencexpress.org), molecular geneticist Valter Longo of the University of Southern California in Los Angeles and colleagues battered a population of yeast mutants with heat or paraquat, a chemical that creates reactive oxygen molecules.

That light is absorbed by the chlorine - based molecules, which then excite nearby oxygen molecules, creating a highly reactive form of oxygen, known as singlet oxygen, that rips apart nearby biomolecules and kills the tumor cell.

STEVEN BENNER: Radiation causes damage to DNA by way of specific molecules, in particular, reactive oxygen species.

This primary response involves the production of reactive oxygen species (ROS), which are molecules that can act like tiny bombs when released by the plant cell at the offending pathogen.

Specifically, the research demonstrates that grape seed not only damages cancer cells» DNA (by means of an increase of reactive oxygen species), but also prevents the pathways which allow repair (as seen by reduced amounts of the DNA repair molecules Rad51 and Brca1 as well as DNA repair foci).

Their antioxidant and anti-inflammatory activities are largely due to their abilities to scavenge the reactive oxygen species (ROS) and improvement of antioxidant status by attenuating the activity of NF - κB and suppressing the expression of several inflammatory cytokines and chemokines including monocyte chemotactic protein - 1 (MCP - 1), nitric oxide synthase, cyclooxygenases, lipoxygenases, cellular adhesion molecules, tumor necrosis factor and interleukins.

Chronic oxidative stress — meaning chronic presence of overly reactive oxygen - containing molecules and cumulative damage to tissue by these molecules — is a risk factor for the development of most cancer types.

Chronic oxidative stress — meaning chronic presence over overly reactive oxygen - containing molecules and cumulative damage to our cells by these molecules — is a risk factor for development of most cancer types.

* It is also a highly effective antioxidant that can protect the body's cells and molecules from damage by free radicals and reactive oxygen species generated during normal metabolism and exposure to environmental stressors.

* It is also a potent antioxidant that can protect the body's cells and molecules from damage by free radicals and reactive oxygen molecules generated during normal metabolism and typical environmental exposures.

* It is also a highly effective antioxidant that can protect the body's cells and molecules from damage by free radicals and reactive oxygen molecules generated during normal metabolism and exposure to environmental stressors.