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BACKGROUND Overcoming spaceflight-induced (patho)physiologic adaptations is a major challenge preventing long-term deep space exploration. RNA interference (RNAi) has emerged as a promising therapeutic for combating diseases on Earth; however the efficacy of RNAi in space is currently unknown. METHODS Caenorhabditis elegans were prepared in liquid media(More)
Recently we demonstrated that the effectiveness of RNAi interference (RNAi) for inhibiting gene expression is maintained during spaceflight in the worm Caenorhabditis elegans and argued for the biomedical importance of this finding. We also successfully utilized green fluorescent protein (GFP)-tagged proteins to monitor changes in GPF localization during(More)
Oxidative stress is known to be a common feature of cholestatic syndrome. Lipopolysaccharide (LPS) induces cholestasis, causing multidrug resistance-associated protein 2 (Mrp2) downregulation in two different ways: early retrieval from the canalicular membrane and the latter event of reduced mRNA expression. However, the triggering factor for LPS-induced(More)
We have started a space experiment using an experimental organism, the nematode Caenorhabditis elegans, in the Japanese Experiment Module, KIBO, of the International Space Station (ISS). The specimens were boarded by space shuttle Atlantis on mission STS-129 which launched from NASA Kennedy Space Center on November 16, 2009. The purpose of the experiment(More)
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