Transcriptional profiling of heart tissue from mice flown on the RRRM-2 mission
In the Rodent Research Reference Mission (RRRM-2), forty female C57BL/6NTac mice were flown on the International Space Station. To assess differences in outcomes due to age, twenty 12 week-old and twenty 29 week-old mice were flown, respectively. To directly assess spaceflight effects, half of the young and old mice (10 old, 10 young) were sacrificed on-orbit after 55-58 days (ISS Terminal, ISS-T), while the other half (10 old, 10 young) were returned live to Earth after 32 days and allowed to recover for 24 days (Live Animal Return, LAR) before sacrifice. ISS-T and LAR mice were the same age at sacrifice. Both the ISS-T and LAR animals had independent ground controls (GC; 10 mice per group housed in flight hardware in matched environmental conditions), basal controls (BSL; 10 mice per group sacrificed 2 days before launch), and vivarium controls (VIV; 10 mice per group housed within standard vivarium habitats). Thus RRRM-2 included a total of 160 mice. This study includes bulk RNA sequencing ribodepleted gene expression data from hearts from 5 old and 5 young animals from each of the following groups: LAR basal, LAR ground control, LAR vivarium control, LAR flight, ISS-T basal, ISS-T ground control, and ISS-T flight. The ISS-T vivarium control young group has only 3 animals due to quality control issues.
Complete Metadata
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| description | In the Rodent Research Reference Mission (RRRM-2), forty female C57BL/6NTac mice were flown on the International Space Station. To assess differences in outcomes due to age, twenty 12 week-old and twenty 29 week-old mice were flown, respectively. To directly assess spaceflight effects, half of the young and old mice (10 old, 10 young) were sacrificed on-orbit after 55-58 days (ISS Terminal, ISS-T), while the other half (10 old, 10 young) were returned live to Earth after 32 days and allowed to recover for 24 days (Live Animal Return, LAR) before sacrifice. ISS-T and LAR mice were the same age at sacrifice. Both the ISS-T and LAR animals had independent ground controls (GC; 10 mice per group housed in flight hardware in matched environmental conditions), basal controls (BSL; 10 mice per group sacrificed 2 days before launch), and vivarium controls (VIV; 10 mice per group housed within standard vivarium habitats). Thus RRRM-2 included a total of 160 mice. This study includes bulk RNA sequencing ribodepleted gene expression data from hearts from 5 old and 5 young animals from each of the following groups: LAR basal, LAR ground control, LAR vivarium control, LAR flight, ISS-T basal, ISS-T ground control, and ISS-T flight. The ISS-T vivarium control young group has only 3 animals due to quality control issues. |
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| modified | 2025-08-21 |
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| title | Transcriptional profiling of heart tissue from mice flown on the RRRM-2 mission |
