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3D Illustration of a DNA molecule breaking apart into red pieces.
Mitochondria May Have Been Wrongly Accused in DNA Damage
Reactive oxygen species cause mutations to DNA bases that can lead to cancer, but the long-blamed mitochondria could have been wrongfully charged.
Mitochondria May Have Been Wrongly Accused in DNA Damage
Mitochondria May Have Been Wrongly Accused in DNA Damage

Reactive oxygen species cause mutations to DNA bases that can lead to cancer, but the long-blamed mitochondria could have been wrongfully charged.

Reactive oxygen species cause mutations to DNA bases that can lead to cancer, but the long-blamed mitochondria could have been wrongfully charged.

reactive oxygen species

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Mouse heart cells that have taken up adipocyte-derived extracellular vesicles (stained red)
Fat Cells Send Mitochondrial Distress Signals to the Heart
Ruth Williams | Aug 20, 2021 | 3 min read
Vesicles containing fragments of the organelles released from stressed adipocytes protect the heart against oxygen deprivation, a study in mice shows.
Discover how to scale up cellular assays during drug discovery
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The Scientist and Thermo Fisher Scientific | 1 min read
New technologies allow researchers to scale up assays for cellular functions.
amphibian hindlimb chicken animal feet hand development reactive oxygen species fingers digits webbing webbed
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Chia-Yi Hou | Jun 17, 2019 | 1 min read
Researchers study how oxygen around an embryo helps shape the way feet and digits form in amphibians and chickens.
Weak Magnetic Fields Manipulate Regeneration in Worms
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At magnetic field intensities somewhat above that of Earth, stem cell proliferation shifts gears.
Mitochondria Play an Unexpected Role in Killing Bacteria
Katarina Zimmer | Jan 1, 2019 | 3 min read
The energy-producing organelles also send out parcels with antimicrobial compounds to help destroy pathogen invaders in macrophages.
Old Age Has Links to Redox Stress in Muscles
Sukanya Charuchandra | Sep 1, 2018 | 2 min read
Even if people exercise, hydrogen peroxide and other reactive molecules continue to accumulate in the tissues.
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Sukanya Charuchandra | Jul 16, 2018 | 1 min read
In zebrafish, some amount of reactive oxygen species is required for normal development.
Elena Rybak-Akimova, Chemical Kinetics Expert, Dies
Jim Daley | Mar 16, 2018 | 2 min read
The chemist examined the role of activated oxygen molecules in biological processes.
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Devika G. Bansal | Nov 1, 2017 | 6 min read
Molecular probes for imaging in live animals
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Jef Akst | May 16, 2017 | 2 min read
Mouse experiments indicate that, contrary to observations in pregnant women, reactive oxygen species contribute to normal placental development.
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Certain diabetes drugs with antioxidant properties promote metastasis in mice with existing tumors, researchers report.
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ROS Can Shorten or Lengthen Life
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Reactive oxygen species have opposing effects on roundworm longevity depending on whether these molecules are in the mitochondria or the cytoplasm.
The Energizer
Megan Scudellari | May 1, 2014 | 8 min read
György Hajnóczky uncovers the chemical and physical strategies by which mitochondria communicate and function within a cell.
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