Biological effects of space radiation and development of effective countermeasures

AR Kennedy - Life sciences in space research, 2014 - Elsevier
As part of a program to assess the adverse biological effects expected from astronauts'
exposure to space radiation, numerous different biological effects relating to astronauts' …

Understanding cancer development processes after HZE-particle exposure: roles of ROS, DNA damage repair and inflammation

DM Sridharan, A Asaithamby, SM Bailey… - Radiation …, 2015 - meridian.allenpress.com
During space travel astronauts are exposed to a variety of radiations, including galactic
cosmic rays composed of high-energy protons and high-energy charged (HZE) nuclei, and …

Exposure to heavy ion radiation induces persistent oxidative stress in mouse intestine

K Datta, S Suman, BVS Kallakury, AJ Fornace Jr - 2012 - journals.plos.org
Ionizing radiation-induced oxidative stress is attributed to generation of reactive oxygen
species (ROS) due to radiolysis of water molecules and is short lived. Persistent oxidative …

Space radiation triggers persistent stress response, increases senescent signaling, and decreases cell migration in mouse intestine

S Kumar, S Suman, AJ Fornace Jr… - Proceedings of the …, 2018 - National Acad Sciences
Proliferative gastrointestinal (GI) tissue is radiation-sensitive, and heavy-ion space radiation
with its high-linear energy transfer (high-LET) and higher damaging potential than low-LET γ …

An integrated multi-omic approach to assess radiation injury on the host-microbiome axis

M Goudarzi, TD Mak, JP Jacobs… - Radiation …, 2016 - meridian.allenpress.com
Medical responders to radiological and nuclear disasters currently lack sufficient high-
throughput and minimally invasive biodosimetry tools to assess exposure and injury in the …

[HTML][HTML] Therapeutic and space radiation exposure of mouse brain causes impaired DNA repair response and premature senescence by chronic oxidant production

S Suman, OC Rodriguez, TA Winters… - Aging (albany …, 2013 - ncbi.nlm.nih.gov
Despite recent epidemiological evidences linking radiation exposure and a number of
human ailments including cancer, mechanistic understanding of how radiation inflicts long …

Acute and Fractionated Exposure to High-LET 56Fe HZE-Particle Radiation Both Result in Similar Long-Term Deficits in Adult Hippocampal Neurogenesis

PD Rivera, HY Shih, JA LeBlanc… - Radiation …, 2013 - meridian.allenpress.com
Astronauts on multi-year interplanetary missions will be exposed to a low, chronic dose of
high-energy, high-charge particles. Studies in rodents show acute, nonfractionated …

Heavy Ion Radiation Exposure Triggered Higher Intestinal Tumor Frequency and Greater β-Catenin Activation than γ Radiation in APCMin/+ Mice

K Datta, S Suman, BVS Kallakury, AJ Fornace Jr - PLoS One, 2013 - journals.plos.org
Risk of colorectal cancer (CRC) after exposure to low linear energy transfer (low-LET)
radiation such as γ-ray is highlighted by the studies in atom bomb survivors. On the contrary …

Long-term differential changes in mouse intestinal metabolomics after γ and heavy ion radiation exposure

AK Cheema, S Suman, P Kaur, R Singh, AJ Fornace Jr… - PloS one, 2014 - journals.plos.org
Tissue consequences of radiation exposure are dependent on radiation quality and high
linear energy transfer (high-LET) radiation, such as heavy ions in space is known to deposit …

Relative biological effectiveness of energetic heavy ions for intestinal tumorigenesis shows male preponderance and radiation type and energy dependence in …

S Suman, S Kumar, BH Moon, SJ Strawn… - International Journal of …, 2016 - Elsevier
Purpose There are uncertainties associated with the prediction of colorectal cancer (CRC)
risk from highly energetic heavy ion (HZE) radiation. We undertook a comprehensive …