88 datasets found
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Federal
Proton irradiation augments the reduction in tumor progression observed with advanced age
National Aeronautics and Space Administration —
Proton irradiation is touted for its improved tumor targeting due to the physical advantages of ion beams for radiotherapy. Recent studies from our laboratory have... -
Federal
Drosophila melanogaster gene expression changes after spaceflight.
National Aeronautics and Space Administration —
Gene expression levels were determined in 3rd instar and adult Drosophila melanogaster reared during spaceflight to elucidate the genetic and molecular mechanisms... -
Federal
Age and Space Irradiation Modulate Tumor Progression: Implications for Carcinogenesis Risk
National Aeronautics and Space Administration —
Age plays a major role in tumor incidence and is an important consideration when modeling the carcinogenesis process or estimating cancer risks. Epidemiological data... -
Federal
A Molecular Genetic Basis Explaining Altered Bacterial Behavior in Space
National Aeronautics and Space Administration —
Bacterial behavior has been observed to change during spaceflight. Higher final cell counts enhanced biofilm formation increased virulence and reduced susceptibility... -
Federal
Low dose (0.04 Gy) irradiation (LDR) and hindlimb unloading (HLU) microgravity in mice: retina transcriptomic and epigenomic data
National Aeronautics and Space Administration —
The purpose of the present study was to evaluate damage in brain and eye in a ground-based model for spaceflight which includes prolonged unloading and low-dose... -
Federal
Muscle atrophy osteoporosis prevention in hibernating mammals
National Aeronautics and Space Administration —
Physical inactivity decreases the mechanical load on the skeleton which when prolonged leads to losses of muscle strength and bone mass in humans and most mammalian... -
Federal
Age and Space Irradiation Modulate Tumor Progression: Implications for Carcinogenesis Risk
National Aeronautics and Space Administration —
Age plays a major role in tumor incidence and is an important consideration when modeling the carcinogenesis process or estimating cancer risks. Epidemiological data... -
Federal
Targeting myostatin/activin A protects against skeletal muscle and bone loss during spaceflight [plasma proteomics]
National Aeronautics and Space Administration —
Among the physiological consequences of extended spaceflight are loss of skeletal muscle and bone mass. One signaling pathway that plays an important role in... -
Federal
Transcription profiling of rat keratinocytes exposed to a 56Fe ion beam
National Aeronautics and Space Administration —
The purpose of the present work was to examine gene expression patterns in a rat keratinocyte line exposed to a 56Fe ion beam Experiment Overall Design: The cells... -
Federal
Osteocytes transcriptome is altered during spaceflight
National Aeronautics and Space Administration —
Bone loss is one of the major health problems for astronauts during long-term spaceflight and for patients during prolonged bed rest or paralysis. Growing evidence... -
Federal
Effects of bedrest and hypoxia on human skeletal muscle miRNA expression
National Aeronautics and Space Administration —
The present study concerns the effects of 21 days of sustained recumbence (bedrest) and hypoxia alone and in combination on skeletal muscle microRNA expression. 14... -
Federal
Global DNA methylation profiling of radiation-induced rat mammary carcinomas
National Aeronautics and Space Administration —
To investigate DNA methylation patterns in rat mammary carcinomas induced by ionizing radiation. DNA methylation patterns were analyzed in radiation-induced rat... -
Federal
Zebrafish larvae submitted to simulated microgravity on a clinostat (CLINO) at 5dpf for one day
National Aeronautics and Space Administration —
The general objective of the study was to determine modulation of gene expression by environmental factors specifically simulation of microgravity with a special... -
Federal
Effect of a 91 day long stay in weightlessness on the International Space Station on mouse skin physiology
National Aeronautics and Space Administration —
Comparitive gene expression in skin between mice maintained in microgravity (0g) and normogravity (1g) environment. Six male C57Bl/J10 mice were housed for 91 days in... -
Federal
Dissecting Low Atmospheric Pressure Stress: Transcriptome Responses to the Components of Hypobaria in Arabidopsis [Experiment 2]
National Aeronautics and Space Administration —
Controlled hypobaria presents biology with an environment that is never encountered in terrestrial ecology yet the apparent components of hypobaria are stresses... -
Federal
The Heat-Inducible Transcription Factor HsfA2 Enhances Anoxia Tolerance in Arabidopsis
National Aeronautics and Space Administration —
Anoxia induces several heat shock proteins and a heat pre-treatment can acclimatize Arabidopsis seedlings to a subsequent anoxic treatment. In this work we analyzed... -
Federal
Exposure of zebrafish larvae to 3g and 5g hyper gravity between 5-6 days post-fertilization.
National Aeronautics and Space Administration —
The general objective of the study was to determine modulation of gene expression by environmental factors with a special emphasis on bone formation. For this reason... -
Federal
Expression data from rice calli cultured with 2,4-D
National Aeronautics and Space Administration —
Four days old rice calli were selected to grow 324h under spaceflight controls 1g-flight controls and 1g-ground controls. We used microarrays to detail the global... -
Federal
Transcriptomic response of Drosophila melanogaster pupae developed in hypergravity
National Aeronautics and Space Administration —
Physical forces greatly influence the growth and function of an organism. Altered gravity can perturb normal development and induce corresponding changes in gene... -
Federal
Effects of a Closed Space Environment on Gene Expression in Hair Follicles of Astronauts in the International Space Station
National Aeronautics and Space Administration —
In recent times long-term stay has become a common occurrence in the International Space Station (ISS). However adaptation to the space environment can sometimes pose...
88 datasets found