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Histological and Transcriptomic Analysis of Adult Japanese Medaka Sampled Onboard the International Space Station
To understand how humans adapt to the space environment, many experiments can be conducted on astronauts as they work aboard the Space Shuttle or the International Space Station (ISS). We also need animal experiments that can apply to human models and help prevent or solve the health issues we face...
Autores principales: | , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4591011/ https://www.ncbi.nlm.nih.gov/pubmed/26427061 http://dx.doi.org/10.1371/journal.pone.0138799 |
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author | Murata, Yasuhiko Yasuda, Takako Watanabe-Asaka, Tomomi Oda, Shoji Mantoku, Akiko Takeyama, Kazuhiro Chatani, Masahiro Kudo, Akira Uchida, Satoko Suzuki, Hiromi Tanigaki, Fumiaki Shirakawa, Masaki Fujisawa, Koichi Hamamoto, Yoshihiko Terai, Shuji Mitani, Hiroshi |
author_facet | Murata, Yasuhiko Yasuda, Takako Watanabe-Asaka, Tomomi Oda, Shoji Mantoku, Akiko Takeyama, Kazuhiro Chatani, Masahiro Kudo, Akira Uchida, Satoko Suzuki, Hiromi Tanigaki, Fumiaki Shirakawa, Masaki Fujisawa, Koichi Hamamoto, Yoshihiko Terai, Shuji Mitani, Hiroshi |
author_sort | Murata, Yasuhiko |
collection | PubMed |
description | To understand how humans adapt to the space environment, many experiments can be conducted on astronauts as they work aboard the Space Shuttle or the International Space Station (ISS). We also need animal experiments that can apply to human models and help prevent or solve the health issues we face in space travel. The Japanese medaka (Oryzias latipes) is a suitable model fish for studying space adaptation as evidenced by adults of the species having mated successfully in space during 15 days of flight during the second International Microgravity Laboratory mission in 1994. The eggs laid by the fish developed normally and hatched as juveniles in space. In 2012, another space experiment (“Medaka Osteoclast”) was conducted. Six-week-old male and female Japanese medaka (Cab strain osteoblast transgenic fish) were maintained in the Aquatic Habitat system for two months in the ISS. Fish of the same strain and age were used as the ground controls. Six fish were fixed with paraformaldehyde or kept in RNA stabilization reagent (n = 4) and dissected for tissue sampling after being returned to the ground, so that several principal investigators working on the project could share samples. Histology indicated no significant changes except in the ovary. However, the RNA-seq analysis of 5345 genes from six tissues revealed highly tissue-specific space responsiveness after a two-month stay in the ISS. Similar responsiveness was observed among the brain and eye, ovary and testis, and the liver and intestine. Among these six tissues, the intestine showed the highest space response with 10 genes categorized as oxidation–reduction processes (gene ontogeny term GO:0055114), and the expression levels of choriogenin precursor genes were suppressed in the ovary. Eleven genes including klf9, klf13, odc1, hsp70 and hif3a were upregulated in more than four of the tissues examined, thus suggesting common immunoregulatory and stress responses during space adaptation. |
format | Online Article Text |
id | pubmed-4591011 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2015 |
publisher | Public Library of Science |
record_format | MEDLINE/PubMed |
spelling | pubmed-45910112015-10-09 Histological and Transcriptomic Analysis of Adult Japanese Medaka Sampled Onboard the International Space Station Murata, Yasuhiko Yasuda, Takako Watanabe-Asaka, Tomomi Oda, Shoji Mantoku, Akiko Takeyama, Kazuhiro Chatani, Masahiro Kudo, Akira Uchida, Satoko Suzuki, Hiromi Tanigaki, Fumiaki Shirakawa, Masaki Fujisawa, Koichi Hamamoto, Yoshihiko Terai, Shuji Mitani, Hiroshi PLoS One Research Article To understand how humans adapt to the space environment, many experiments can be conducted on astronauts as they work aboard the Space Shuttle or the International Space Station (ISS). We also need animal experiments that can apply to human models and help prevent or solve the health issues we face in space travel. The Japanese medaka (Oryzias latipes) is a suitable model fish for studying space adaptation as evidenced by adults of the species having mated successfully in space during 15 days of flight during the second International Microgravity Laboratory mission in 1994. The eggs laid by the fish developed normally and hatched as juveniles in space. In 2012, another space experiment (“Medaka Osteoclast”) was conducted. Six-week-old male and female Japanese medaka (Cab strain osteoblast transgenic fish) were maintained in the Aquatic Habitat system for two months in the ISS. Fish of the same strain and age were used as the ground controls. Six fish were fixed with paraformaldehyde or kept in RNA stabilization reagent (n = 4) and dissected for tissue sampling after being returned to the ground, so that several principal investigators working on the project could share samples. Histology indicated no significant changes except in the ovary. However, the RNA-seq analysis of 5345 genes from six tissues revealed highly tissue-specific space responsiveness after a two-month stay in the ISS. Similar responsiveness was observed among the brain and eye, ovary and testis, and the liver and intestine. Among these six tissues, the intestine showed the highest space response with 10 genes categorized as oxidation–reduction processes (gene ontogeny term GO:0055114), and the expression levels of choriogenin precursor genes were suppressed in the ovary. Eleven genes including klf9, klf13, odc1, hsp70 and hif3a were upregulated in more than four of the tissues examined, thus suggesting common immunoregulatory and stress responses during space adaptation. Public Library of Science 2015-10-01 /pmc/articles/PMC4591011/ /pubmed/26427061 http://dx.doi.org/10.1371/journal.pone.0138799 Text en © 2015 Murata et al http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited. |
spellingShingle | Research Article Murata, Yasuhiko Yasuda, Takako Watanabe-Asaka, Tomomi Oda, Shoji Mantoku, Akiko Takeyama, Kazuhiro Chatani, Masahiro Kudo, Akira Uchida, Satoko Suzuki, Hiromi Tanigaki, Fumiaki Shirakawa, Masaki Fujisawa, Koichi Hamamoto, Yoshihiko Terai, Shuji Mitani, Hiroshi Histological and Transcriptomic Analysis of Adult Japanese Medaka Sampled Onboard the International Space Station |
title | Histological and Transcriptomic Analysis of Adult Japanese Medaka Sampled Onboard the International Space Station |
title_full | Histological and Transcriptomic Analysis of Adult Japanese Medaka Sampled Onboard the International Space Station |
title_fullStr | Histological and Transcriptomic Analysis of Adult Japanese Medaka Sampled Onboard the International Space Station |
title_full_unstemmed | Histological and Transcriptomic Analysis of Adult Japanese Medaka Sampled Onboard the International Space Station |
title_short | Histological and Transcriptomic Analysis of Adult Japanese Medaka Sampled Onboard the International Space Station |
title_sort | histological and transcriptomic analysis of adult japanese medaka sampled onboard the international space station |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4591011/ https://www.ncbi.nlm.nih.gov/pubmed/26427061 http://dx.doi.org/10.1371/journal.pone.0138799 |
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