60 datasets found
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Federal
Bacillus subtilis spores PROTECT experiment Space-exposed and Mars-exposed vs. Earth-control
National Aeronautics and Space Administration —
Because of their ubiquity and resistance to spacecraft decontamination bacterial spores are considered likely potential forward contaminants on robotic missions to... -
Federal
Woman skeletal muscle transcriptome with bed rest and countermeasures.
National Aeronautics and Space Administration —
Microgravity has a dramatic impact on human physiology illustrated in particular with skeletal muscle impairment. A thorough understanding of the mechanisms leading... -
Federal
Non-targeted effects of low dose ionizing radiation act via TGF-beta to promote mammary carcinogenesis
National Aeronautics and Space Administration —
This is a genome-wide approach to identifying genes persistently induced in the mouse mammary gland by acute whole body low dose ionizing radiation (10cGy) 1 and 4... -
Federal
Transcription profiling of human peripheral blood to development gene expression signatures for practical radiation biodosimetry
National Aeronautics and Space Administration —
To further development of our gene expression approach to biodosimetry we have employed whole genome microarray expression profiling as a discovery platform to... -
Federal
Microarray Profile of Gene Expression during Osteoclast Differentiation in Modeled Microgravity
National Aeronautics and Space Administration —
Microgravity leads to a 10-15% loss of bone mass in astronauts during space flight. Osteoclast is the multinucleated bone resorbing cell. In this study we used NASA... -
Federal
Gene responses in mouse brain to long-term exposure to microgravity
National Aeronautics and Space Administration —
The spaceflight experiment was carried out using male C57BL/10J mice (8 weeks old at launch). Wild type mice (n=3) were launched by Space Shuttle Discovery and housed... -
Federal
DNA copy number analysis from mice with radiation-induced acute myeloid leukemia
National Aeronautics and Space Administration —
Certain mouse strains such as CBA C3H and RFM have high incidence of radiation-induced acute myeloid leukemia (AML). The data in this series wer generated by using... -
Federal
Radiation responses in peripheral white blood cells of smokers and non-smokers
National Aeronautics and Space Administration —
Understanding the possible impact of potential confounding factors is necessary for any approach to radiation biodosimetry. Potential confounding factors have not... -
Federal
Human skin fibroblast mitochondrial depletion 0.5 Gy alpha-particle
National Aeronautics and Space Administration —
Mitochondrial DNA-depleted human skin fibroblasts (HSF rho0) with suppressed oxidative phosphorylation were characterized by significant changes in the expression of... -
Federal
Transcription profiling of mouse osteoblasts under static vs simulated microgravity
National Aeronautics and Space Administration —
The below table includes a smaller list of data that was analyzed by dChip and filtered by pvalue such that a file with about 4600 genes was obtained which allowed... -
Federal
Microarray Profile of Gene Expression during Osteoclast Differentiation in Modeled Microgravity
National Aeronautics and Space Administration —
Microgravity leads to a 10-15% loss of bone mass in astronauts during space flight. Osteoclast is the multinucleated bone resorbing cell. In this study we used NASA... -
Federal
MESSAGE 2 space experiment with Rhodospirillum rubrum S1H
National Aeronautics and Space Administration —
R. rubrum S1H inoculated on solid agar rich media was sent to the ISS in October 2003 (MESSAGE-part 2 experiment). After 10 days flight R. rubrum cultures returned... -
Federal
Transcription profiling of rat to study the effect of hindlimb unloading on healing of medial collateral ligaments 3 weeks after injury
National Aeronautics and Space Administration —
A recent physiological study established that hindlimb unloading of rats at 3 and 7 weeks inhibits healing of injured ligaments resulting in a badly aligned... -
Federal
An environment with strong gravitational and magnetic field alterations synergizes to promote variations in Arabidopsis thaliana callus global transcriptional state
National Aeronautics and Space Administration —
Using diamagnetic levitation we have exposed A. thaliana in vitro callus cultures to five environments with different levels of effective gravity (from levitation... -
Federal
Transcription profiling of Drosophila after exposure to microgravity in the International Space Station and in a microgravity simulator
National Aeronautics and Space Administration —
Larvae-Pupae transition flies (Drosophila) were recovered and transport for 3 days at 12-14C to arrest development until the launch site then exposed to RT (18-20C)... -
Federal
Low dose ionizing radiation treated lymphoblastoid cells
National Aeronautics and Space Administration —
Irradiated cell lines exposed to 1-10 cGy 2 Lymphoblastoid cell lines (GM15510 and GM15036) irradiated 1 2.5 5 7.5 10 cGy RNA is isolated and labeled using a T7... -
Federal
Comparison of gene expression profiles of normal human bronchial epithelial cells in 2D and 3D cultural conditions
National Aeronautics and Space Administration —
The experiment is part of a project to study DNA repair process after ionizing radiation in organotypic 3-dimentional human bronchial epithlial cell culture. Human... -
Federal
IMR90 4hr bystander experiment 0.5Gy alpha particle strip dish format
National Aeronautics and Space Administration —
Radiation affects tissue and cellular integrity at the level of DNA protein and metabolites of the cell and extracellular space. The effects of radiation are not... -
Federal
IMR90 bystander experiment 0.5 Gy alpha particle
National Aeronautics and Space Administration —
The existence of a radiation bystander effect in which non-irradiated cells respond to signals from irradiated cells is well established. It raises concerns for the... -
Federal
Effect of microgravity on brain gene expression in mice
National Aeronautics and Space Administration —
Changes in gravitational force such as that experienced by astronauts during space flight induce a redistribution of fluids from the caudad to the cephalad portion of...
60 datasets found