ArticleThe journals of gerontology. Series A, Biological sciences and medical sciences2010
A quantitative trait locus on chr.4 regulates thymic involution.
Article in The journals of gerontology. Series A, Biological sciences and medical sciences, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Article
- Aging and immune function: molecular mechanisms to interventions.Antioxidants & redox signaling · 2011Review
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
The mechanisms underlying age-associated thymic involution are unknown. In mice, thymic involution shows mouse strain-dependent genetic variation. Identification of the underlying genes would provide mechanistic insight into this elusive process. We previously showed that responsiveness of hematopoietic stem and progenitor cells (HSPCs) to transforming growth factor-beta 2, a positive regulator of HSPC proliferation, is regulated by a quantitative trait locus (QTL) on chr. 4, Tb2r1. Interestingly, Tgfb2(+/-) mice have delayed thymic involution. Therefore, we tested the hypothesis that a QTL on chr. 4 might regulate thymic involution. Aged, but not young, B6.D2-chr.4 congenic mice, where the telomeric region of chr. 4 was introgressed from DBA/2 to C57BL/6 mice, had larger thymi, and better maintenance of early thymic precursors than C57BL/6 control mice. These observations unequivocally demonstrate that the telomeric region of chr. 4 contains a QTL, Ti1 (thymic involution 1) that regulates thymic involution, and suggest the possibility that Ti1 may be identical to Tb2r1.
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Registered trials
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