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» reactive oxygen species

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image: Antioxidants Again Linked to Cancer’s Spread

Antioxidants Again Linked to Cancer’s Spread

By | April 13, 2016

Certain diabetes drugs with antioxidant properties promote metastasis in mice with existing tumors, researchers report.

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image: New Route to Hearing Loss Mapped

New Route to Hearing Loss Mapped

By | November 5, 2015

Deficiency in a protein called pejvakin makes inner ear cells more vulnerable to sound, unable to brace themselves against oxidative stress stimulated by noise. 

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image: Antioxidants Facilitate Melanoma Metastasis

Antioxidants Facilitate Melanoma Metastasis

By | October 7, 2015

Two compounds boost the ability of melanoma cells to invade other tissues in mice, providing additional evidence that antioxidants can be beneficial to malignant cells as well as healthy ones.

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image: ROS Can Shorten or Lengthen Life

ROS Can Shorten or Lengthen Life

By | February 13, 2015

Reactive oxygen species have opposing effects on roundworm longevity depending on whether these molecules are in the mitochondria or the cytoplasm.

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image: The Energizer

The Energizer

By | May 1, 2014

György Hajnóczky uncovers the chemical and physical strategies by which mitochondria communicate and function within a cell.

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image: The Downside of Antibiotics?

The Downside of Antibiotics?

By | July 3, 2013

Bacteria-killing antibiotics might also damage a person’s tissues.

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image: Shielding Cancer Cells from Damage

Shielding Cancer Cells from Damage

By | November 4, 2011

An alternative form of an enzyme involved in the glucose metabolism pathway protects cancer cells from oxidative stress.

12 Comments

image: The Genes of Parkinson’s Disease

The Genes of Parkinson’s Disease

By | February 1, 2011

The minority of Parkinson’s cases now known to have genetic origins are shedding light on the cellular mechanisms of all the rest, bringing researchers closer to a cause—and perhaps a cure.

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