author_facet Kowalczyk, Monika S.
Tirosh, Itay
Heckl, Dirk
Rao, Tata Nageswara
Dixit, Atray
Haas, Brian J.
Schneider, Rebekka K.
Wagers, Amy J.
Ebert, Benjamin L.
Regev, Aviv
Kowalczyk, Monika S.
Tirosh, Itay
Heckl, Dirk
Rao, Tata Nageswara
Dixit, Atray
Haas, Brian J.
Schneider, Rebekka K.
Wagers, Amy J.
Ebert, Benjamin L.
Regev, Aviv
author Kowalczyk, Monika S.
Tirosh, Itay
Heckl, Dirk
Rao, Tata Nageswara
Dixit, Atray
Haas, Brian J.
Schneider, Rebekka K.
Wagers, Amy J.
Ebert, Benjamin L.
Regev, Aviv
spellingShingle Kowalczyk, Monika S.
Tirosh, Itay
Heckl, Dirk
Rao, Tata Nageswara
Dixit, Atray
Haas, Brian J.
Schneider, Rebekka K.
Wagers, Amy J.
Ebert, Benjamin L.
Regev, Aviv
Genome Research
Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
Genetics (clinical)
Genetics
author_sort kowalczyk, monika s.
spelling Kowalczyk, Monika S. Tirosh, Itay Heckl, Dirk Rao, Tata Nageswara Dixit, Atray Haas, Brian J. Schneider, Rebekka K. Wagers, Amy J. Ebert, Benjamin L. Regev, Aviv 1088-9051 1549-5469 Cold Spring Harbor Laboratory Genetics (clinical) Genetics http://dx.doi.org/10.1101/gr.192237.115 <jats:p>Both intrinsic cell state changes and variations in the composition of stem cell populations have been implicated as contributors to aging. We used single-cell RNA-seq to dissect variability in hematopoietic stem cell (HSC) and hematopoietic progenitor cell populations from young and old mice from two strains. We found that cell cycle dominates the variability within each population and that there is a lower frequency of cells in the G1 phase among old compared with young long-term HSCs, suggesting that they traverse through G1 faster. Moreover, transcriptional changes in HSCs during aging are inversely related to those upon HSC differentiation, such that old short-term (ST) HSCs resemble young long-term (LT-HSCs), suggesting that they exist in a less differentiated state. Our results indicate both compositional changes and intrinsic, population-wide changes with age and are consistent with a model where a relationship between cell cycle progression and self-renewal versus differentiation of HSCs is affected by aging and may contribute to the functional decline of old HSCs.</jats:p> Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells Genome Research
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source_id 49
title Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_unstemmed Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_full Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_fullStr Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_full_unstemmed Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_short Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_sort single-cell rna-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
topic Genetics (clinical)
Genetics
url http://dx.doi.org/10.1101/gr.192237.115
publishDate 2015
physical 1860-1872
description <jats:p>Both intrinsic cell state changes and variations in the composition of stem cell populations have been implicated as contributors to aging. We used single-cell RNA-seq to dissect variability in hematopoietic stem cell (HSC) and hematopoietic progenitor cell populations from young and old mice from two strains. We found that cell cycle dominates the variability within each population and that there is a lower frequency of cells in the G1 phase among old compared with young long-term HSCs, suggesting that they traverse through G1 faster. Moreover, transcriptional changes in HSCs during aging are inversely related to those upon HSC differentiation, such that old short-term (ST) HSCs resemble young long-term (LT-HSCs), suggesting that they exist in a less differentiated state. Our results indicate both compositional changes and intrinsic, population-wide changes with age and are consistent with a model where a relationship between cell cycle progression and self-renewal versus differentiation of HSCs is affected by aging and may contribute to the functional decline of old HSCs.</jats:p>
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author Kowalczyk, Monika S., Tirosh, Itay, Heckl, Dirk, Rao, Tata Nageswara, Dixit, Atray, Haas, Brian J., Schneider, Rebekka K., Wagers, Amy J., Ebert, Benjamin L., Regev, Aviv
author_facet Kowalczyk, Monika S., Tirosh, Itay, Heckl, Dirk, Rao, Tata Nageswara, Dixit, Atray, Haas, Brian J., Schneider, Rebekka K., Wagers, Amy J., Ebert, Benjamin L., Regev, Aviv, Kowalczyk, Monika S., Tirosh, Itay, Heckl, Dirk, Rao, Tata Nageswara, Dixit, Atray, Haas, Brian J., Schneider, Rebekka K., Wagers, Amy J., Ebert, Benjamin L., Regev, Aviv
author_sort kowalczyk, monika s.
container_issue 12
container_start_page 1860
container_title Genome Research
container_volume 25
description <jats:p>Both intrinsic cell state changes and variations in the composition of stem cell populations have been implicated as contributors to aging. We used single-cell RNA-seq to dissect variability in hematopoietic stem cell (HSC) and hematopoietic progenitor cell populations from young and old mice from two strains. We found that cell cycle dominates the variability within each population and that there is a lower frequency of cells in the G1 phase among old compared with young long-term HSCs, suggesting that they traverse through G1 faster. Moreover, transcriptional changes in HSCs during aging are inversely related to those upon HSC differentiation, such that old short-term (ST) HSCs resemble young long-term (LT-HSCs), suggesting that they exist in a less differentiated state. Our results indicate both compositional changes and intrinsic, population-wide changes with age and are consistent with a model where a relationship between cell cycle progression and self-renewal versus differentiation of HSCs is affected by aging and may contribute to the functional decline of old HSCs.</jats:p>
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spelling Kowalczyk, Monika S. Tirosh, Itay Heckl, Dirk Rao, Tata Nageswara Dixit, Atray Haas, Brian J. Schneider, Rebekka K. Wagers, Amy J. Ebert, Benjamin L. Regev, Aviv 1088-9051 1549-5469 Cold Spring Harbor Laboratory Genetics (clinical) Genetics http://dx.doi.org/10.1101/gr.192237.115 <jats:p>Both intrinsic cell state changes and variations in the composition of stem cell populations have been implicated as contributors to aging. We used single-cell RNA-seq to dissect variability in hematopoietic stem cell (HSC) and hematopoietic progenitor cell populations from young and old mice from two strains. We found that cell cycle dominates the variability within each population and that there is a lower frequency of cells in the G1 phase among old compared with young long-term HSCs, suggesting that they traverse through G1 faster. Moreover, transcriptional changes in HSCs during aging are inversely related to those upon HSC differentiation, such that old short-term (ST) HSCs resemble young long-term (LT-HSCs), suggesting that they exist in a less differentiated state. Our results indicate both compositional changes and intrinsic, population-wide changes with age and are consistent with a model where a relationship between cell cycle progression and self-renewal versus differentiation of HSCs is affected by aging and may contribute to the functional decline of old HSCs.</jats:p> Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells Genome Research
spellingShingle Kowalczyk, Monika S., Tirosh, Itay, Heckl, Dirk, Rao, Tata Nageswara, Dixit, Atray, Haas, Brian J., Schneider, Rebekka K., Wagers, Amy J., Ebert, Benjamin L., Regev, Aviv, Genome Research, Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells, Genetics (clinical), Genetics
title Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_full Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_fullStr Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_full_unstemmed Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_short Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_sort single-cell rna-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
title_unstemmed Single-cell RNA-seq reveals changes in cell cycle and differentiation programs upon aging of hematopoietic stem cells
topic Genetics (clinical), Genetics
url http://dx.doi.org/10.1101/gr.192237.115