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Journals
Gravitational and Space Research
Volume 9 (2021): Issue 1 (January 2021)
Open Access
Toward the Analysis of Lymphocyte Development in Space: PCR-Based Amplification of T-Cell Receptor Excision Circles (TRECs) Aboard the International Space Station
Elizabeth Reizis
Elizabeth Reizis
,
Diana Cai
Diana Cai
,
Lee Serpas
Lee Serpas
,
Emily J. Gleason
Emily J. Gleason
,
Kathryn Martin
Kathryn Martin
,
Kevin D. Foley
Kevin D. Foley
,
D. Scott Copeland
D. Scott Copeland
,
Sebastian Kraves
Sebastian Kraves
and
Ezequiel Alvarez Saavedra
Ezequiel Alvarez Saavedra
| Dec 31, 2021
Gravitational and Space Research
Volume 9 (2021): Issue 1 (January 2021)
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Article Category:
Research Note
Published Online:
Dec 31, 2021
Page range:
159 - 163
DOI:
https://doi.org/10.2478/gsr-2021-0012
Keywords
polymerase chain reaction
,
space travel
,
immunodeficiency
,
T-cell receptor excision circles
© 2021 Elizabeth Reizis et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Figure 1
TREC formation and primer design. Schematic of TREC formation following VJ recombination at the Tcra locus. Primers are depicted by arrows and are designed to face toward each other following formation of the TRECs (Hazenberg et al., 2001). PCR amplification is expected when primers face each other.
Figure 2
TRECs detected across a range of ages in mice. (A) Agarose gel electrophoresis of TRECs from the thymus of 2-month-old wildtype mice amplified by PCR in flight and on the ground. Numbers indicate starting concentration of purified DNA in nanograms. (B) Agarose gel electrophoresis of PCR-amplified TRECs from peripheral blood obtained from mice over a range of ages. Rag KO = Rag knockout mice. Thymic DNA = DNA isolated from thymus of 2-month-old wildtype mice. In each reaction, the starting concentration of purified DNA was 10 nanograms.