Evidence map›Paper›PMID 22498452›Full record

ReviewAging2012

Very small embryonic/epiblast-like stem cells (VSELs) and their potential role in aging and organ rejuvenation--an update and comparison to other primitive small stem cells isolated from adult tissues.

Mariusz Z Ratajczak, Dong-Myung Shin, Rui Liu, Kasia Mierzejewska, Janina Ratajczak, Magda Kucia, Ewa K Zuba-Surma

Open access · hybridAbstract readReview
In one paragraph

Review in Aging, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
4.2field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

28 citing papers in PubMed, 62 citations in OpenAlex.

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  4. Frontiers in cell and developmental biology · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 3 institutions in 2 countries.

Mariusz Z RatajczakStem Cell Biology Program at the James Graham Brown Cancer Center, University of Louisville, Louisville, KT, USA. mzrata01@louisville.edu
Dong-Myung Shin
Rui Liu
Kasia Mierzejewska
Janina Ratajczak
Magda Kucia
Ewa K Zuba-Surma
Pomeranian Medical University · PLUniversity of Louisville · USJagiellonian University · PL

Funding

Novel mechanisms involving complement cascade in stem cell traffickingR01DK074720 · NIDDK · UNIVERSITY OF LOUISVILLE · PI RATAJCZAK, MARIUSZ Z · 2007 to 2020
$4.1M
NIDDK NIH HHS R01 DK074720
6 · The paper itself

Abstract

Very small embryonic-like stem cells (VSELs) are a population of developmentally early stem cells residing in adult tissues. These rare cells, which are slightly smaller than red blood cells, i) become mobilized during stress situations into peripheral blood, ii) are enriched in the Sca1+Lin-CD45- cell fraction in mice and the CD133+ Lin-CD45- cell fraction in humans, iii) express markers of pluripotent stem cells (e.g., Oct4, Nanog, and SSEA), and iv) display a distinct morphology characterized by a high nuclear/cytoplasmic ratio and undifferentiated chromatin. Recent evidence indicates that murine VSELs are kept quiescent in adult tissues and protected from teratoma formation by epigenetic modification of imprinted genes that regulate insulin/insulin like growth factor signaling (IIS). The successful reversal of these epigenetic changes in VSELs that render them quiescent will be crucial for efficient expansion of these cells. The most recent data in vivo from our and other laboratories demonstrated that both murine and human VSELs exhibit some characteristics of long-term repopulating hematopoietic stem cells (LT-HSCs), are at the top of the hierarchy in the mesenchymal lineage, and may differentiate into organ-specific cells (e.g., cardiomyocytes). Moreover, as recently demonstrated the number of these cells positively correlates in several murine models with longevity. Finally, while murine BM-derived VSELs have been extensively characterized more work is needed to better characterize these small cells at the molecular level in humans.

Indexed as

AdultAgingAnimalsCell DifferentiationEmbryonic Stem CellsEpigenesis, GeneticGerm LayersHematopoietic Stem CellsHumansLongevityMicePluripotent Stem CellsRejuvenation

Identifiers

PMID22498452
PMCPMC3371759
OpenAlexW2121916332

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.