Recent advancements in space omics have ushered in a new era of understanding how spaceflight affects human physiology and biology. The Space Omics and Medical Atlas (SOMA), released in 2024, represents a significant milestone in this field, providing the largest-ever collection of data for aerospace medicine and space biology[2].
SOMA encompasses data from various missions, including the NASA Twins Study, JAXA CFE study, SpaceX Inspiration4 crew, Axiom, and Polaris[4]. This comprehensive resource has led to a more than tenfold increase in publicly available human space omics data, offering unprecedented insights into the molecular and physiological changes that occur during spaceflight[4].
The SOMA package includes 44 publications, with 32 featuring at least one member of the Ames Space Biosciences Division team[2]. This collaborative effort involved over 100 institutions from more than 25 countries, highlighting the global nature of space research[2].
One of the most significant achievements of SOMA is the processing of 2,911 biological samples from a single mission, the largest number to date[3]. This extensive collection includes genomics, epigenomics, transcriptomics, proteomics, metabolomics, and microbiome datasets[4]. These datasets have revealed consistent features across missions, such as cytokine shifts, telomere elongation, and gene expression changes[4].
The research has also led to several firsts in space biology. For instance, SOMA includes the first-ever direct RNA sequencing data from astronauts and the first spatially-resolved transcriptome data from astronauts[3]. Additionally, there has been a four-fold increase in the number of single-cells processed from spaceflight[3].
One of the key findings from recent studies is that short-duration civilian space missions do not pose a major health risk[6]. However, researchers have identified various physiological changes, including kidney remodeling, which may contribute to kidney stone formation[6]. Space radiation has also been found to cause kidney damage and early signs of dysfunction[6].
Skin microenvironment changes in response to spaceflight have been profiled using multi-omics analysis of skin punch biopsies from the SpaceX Inspiration4 mission crew[6]. Transcriptomic data from mice and astronauts have revealed molecular signatures of DNA damage and repair, mitochondrial dysregulation, and skin barrier disruption[6].
In the realm of neuroscience, spatial transcriptomics and single-cell multiomics studies on mouse brain tissue have shown region-specific spaceflight-induced alterations in processes of neurogenesis, synaptogenesis, and synaptic transmission[6]. Additionally, simulated galactic cosmic radiation exposure has been found to reorganize prefrontal cortex neurotransmitter networks in male mice, associated with cognitive deficits[6].
The integration of artificial intelligence into space biology and health has deepened the understanding of spaceflight effects[3]. This integration is crucial for developing predictive, preventative, participatory, and personalized healthcare systems for future deep space missions[3].
As space travel becomes more accessible, the ethical considerations surrounding space industry and community are gaining importance. Researchers are exploring how insights from human genetics could inform space medicine, including the identification of genetic variants that might confer protective effects in space[6].
These advancements in space omics are paving the way for precision aerospace medicine, providing crucial data for health monitoring, risk mitigation, and countermeasure development for upcoming lunar, Mars, and exploration-class missions[4][5].
Sources:
[1] A Second Space Age Spanning Omics, Platforms, and Medicine … https://astrobiology.com/2024/07/a-second-space-age-spanning-omics-platforms-and-medicine-across-orbits.html
[2] Space Omics and Medical Atlas (SOMA) Package – NASA https://www.nasa.gov/general/space-omice-and-medical-atlas-soma-package/
[3] Space Omics and Medical Atlas (SOMA) across orbits – Nature https://www.nature.com/immersive/d42859-024-00009-8/index.html
[4] The Space Omics and Medical Atlas (SOMA) and … – Nature https://www.nature.com/articles/s41586-024-07639-y
[5] The Space Omics and Medical Atlas (SOMA) and International … https://astrobiology.com/2024/07/the-space-omics-and-medical-atlas-soma-and-international-astronaut-biobank.html
[6] Space Omics and Medical Atlas (SOMA) across orbits – Nature https://www.nature.com/collections/ebdbcahdgc
