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Reduced repression of cytokine signaling ameliorates age‐induced decline in hematopoietic stem cell function

Overview of attention for article published in Aging Cell, August 2012
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Title
Reduced repression of cytokine signaling ameliorates age‐induced decline in hematopoietic stem cell function
Published in
Aging Cell, August 2012
DOI 10.1111/j.1474-9726.2012.00863.x
Pubmed ID
Authors

Gudmundur L. Norddahl, Martin Wahlestedt, Santiago Gisler, Mikael Sigvardsson, David Bryder

Abstract

Aging causes profound effects on the hematopoietic stem cell (HSC) pool, including an altered output of mature progeny and enhanced self-propagation of repopulating-defective HSCs. An important outstanding question is whether HSCs can be protected from aging. The signal adaptor protein LNK negatively regulates hematopoiesis at several cellular stages. It has remained unclear how the enhanced sensitivity to cytokine signaling caused by LNK deficiency affects hematopoiesis upon aging. Our findings demonstrate that aged LNK-/- HSCs displayed a robust overall reconstitution potential and gave rise to a hematopoietic system with a balanced lineage distribution. Although aged LNK-/- HSCs displayed a distinct molecular profile in which reduced proliferation was central, little or no difference in the proliferation of aged LNK-/- HSCs was observed after transplantation when compared to aged WT HSCs. This coincided with equal telomere maintenance in WT and LNK-/- HSCs. Collectively, our studies suggest that enhanced cytokine signaling can counteract functional age-related HSC decline.

X Demographics

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The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 16 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 16 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 4 25%
Student > Bachelor 3 19%
Researcher 3 19%
Professor > Associate Professor 2 13%
Professor 1 6%
Other 2 13%
Unknown 1 6%
Readers by discipline Count As %
Medicine and Dentistry 5 31%
Agricultural and Biological Sciences 4 25%
Biochemistry, Genetics and Molecular Biology 2 13%
Immunology and Microbiology 2 13%
Nursing and Health Professions 1 6%
Other 1 6%
Unknown 1 6%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 27 August 2012.
All research outputs
#14,736,005
of 24,717,821 outputs
Outputs from Aging Cell
#1,851
of 2,372 outputs
Outputs of similar age
#100,942
of 175,935 outputs
Outputs of similar age from Aging Cell
#19
of 32 outputs
Altmetric has tracked 24,717,821 research outputs across all sources so far. This one is in the 39th percentile – i.e., 39% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,372 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 23.4. This one is in the 19th percentile – i.e., 19% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 175,935 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 32 others from the same source and published within six weeks on either side of this one. This one is in the 15th percentile – i.e., 15% of its contemporaries scored the same or lower than it.