line illustration of DNA with single-strand break
Cancer Cells Break Own DNA to Defend Against Radiation
Self-inflicted DNA breaks let the cells hit pause on repair of radiation-induced DNA damage, giving them time to recover, an in vitro study shows.
ABOVE: © iStock.com, bubaone
Cancer Cells Break Own DNA to Defend Against Radiation
Cancer Cells Break Own DNA to Defend Against Radiation

Self-inflicted DNA breaks let the cells hit pause on repair of radiation-induced DNA damage, giving them time to recover, an in vitro study shows.

Self-inflicted DNA breaks let the cells hit pause on repair of radiation-induced DNA damage, giving them time to recover, an in vitro study shows.

ABOVE: © iStock.com, bubaone

radiation

illustration of blue cancer cell extending tendrils around itself
Janus-Faced Neutrophils
Sophie Fessl | Mar 2, 2022
The immune cells facilitate healing, but they may also help tumors metastasize to the lungs after injury, a study in mice finds.
Sunflowers, in visible spectrum on left half (yellow colors) and UV spectrum on right half (purple and white colors).
Sunflowers’ Bee-Attracting Ultraviolet Also Helps Retain Moisture
Natalia Mesa | Feb 8, 2022
The dual purposes of the plants’ hidden colors may conflict as the climate warms, authors of a new study suggest.
How Cancer Evades the Immune System
The Scientist Creative Services Team | Aug 31, 2020
Presenters in this webinar will discuss how cancer not only evades the immune system, but also co-opts it to promote tumor growth.
Ionizing Radiation sign near Chernobyl nuclear power plant zone of alienation, Ukraine
New Chernobyl Initiative Aims to Boost Research on the Area
Stefan Weichert | Sep 1, 2021
Sergii Mirnyi, one of the people who helped clean up after the 1986 disaster, says he founded Chornobyl University to promote much-needed interdisciplinary research on the Chernobyl Exclusion Zone.
A medical linear accelerator used to deliver radiation therapy
Tool Would Use Tumor Gene Expression to Inform Radiation Dose
Alejandra Manjarrez | Aug 27, 2021
In a retrospective analysis, a team found that an algorithm integrating the gene expression of a tumor with the radiation dose a patient received predicted how well the patient responded to the treatment.
white and yellow colonies growing on a petri dish
Gut Fungi Hamper Radiation Therapy in Mice with Cancer
Rachael Moeller Gorman | Aug 11, 2021
Depleting intestinal fungi allows radiation to effectively fight cancer, likely because the microbes influence the antitumor immune response.
No Transgenerational Effects of Chernobyl Radiation Found
Abby Olena | Apr 22, 2021
The genomes of the children of people exposed to fallout from the Chernobyl nuclear accident appear to carry no trace of the incident.
Insects Might Be More Sensitive to Radiation than Thought
Alejandra Manjarrez | Feb 1, 2021
A study of bumble bees exposed to levels of radiation equivalent to those existing in Chernobyl hotspots shows that the insects’ reproduction takes a hit.
Tardigrades’ List of Super Powers Grows Ever Longer
Ashley Yeager | Jan 1, 2021
Water bears can survive extreme temperatures, oxidative stress, UV radiation, and more, but as work in climate change biology shows, they’re not invulnerable to everything.
Janette Sherman, Public Health Activist, Dies
Emily Makowski | Nov 18, 2019
The physician, toxicologist, and expert witness drew attention to health issues caused by radiation and toxic chemicals.
cell phone towers
Study Finds “Some Evidence” that Cellphone Radiation Linked to Brain Cancer in Male Rats
Ashley P. Taylor | Nov 5, 2018
The results cannot be extrapolated to humans, researchers caution.
Renowned Physicist Stephen Hawking Dies
Ashley Yeager | Mar 14, 2018
Famed for his work on black holes and cosmology, he also survived decades with amyotrophic lateral sclerosis.
Study Linking Cell Phone Use to Cancer Stirs Debate
Tanya Lewis | May 27, 2016
Exposing male rats to nonionizing radiation increased the animals’ risk of brain and heart tumors in a study, but the findings are far from conclusive.
Bursting Cancer’s Bubble
Ruth Williams | Apr 1, 2015
Scientists make oxygen-filled microbubbles designed to increase tumor sensitivity to radiation.
Blood Cell Counts Low in Fukushima Monkeys
Bob Grant | Jul 29, 2014
Wild primates living near the site of 2011’s tsunami-spawned nuclear disaster are showing physiological signs of radiation exposure.
Radiation-Fighting Drug
Rina Shaikh-Lesko | May 16, 2014
A hydroxylase inhibitor that prolongs the action of a gut-protective protein shows promise in mice as a treatment for radiation poisoning.
Radiation Therapy Damages Neurons
Chris Palmer | Jul 16, 2013
Cranial irradiation, a common brain cancer treatment, disrupts neural morphology in mice in ways that resemble damage caused by neurodegenerative conditions.
Radiation Risk for Mars Astronauts
Kate Yandell | Jun 3, 2013
An instrument aboard the spaceship that carried Curiosity to Mars has found that deep space travelers would face worrying levels of radiation.
UV Radiation Frying Marine Life
Cristina Luiggi | Aug 13, 2012
A study suggests that increased UVB radiation from the sun is behind the decline of many marine species.