ArticleBlood2022
Physioxia-induced downregulation of Tet2 in hematopoietic stem cells contributes to enhanced self-renewal.
Article in Blood, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 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.
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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.
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Who cites it
10 citing papers in PubMed, 15 citations in OpenAlex.
- Article
- Clonal hematopoiesis of indeterminate potential (CHIP)-a pivotal contributor of aging and related disorders.Annals of translational medicine · 2026Review
- Diet-induced obesity induces oxidative stress and enhances H3K4me3 levels, driving nonresolving inflammation and myelopoiesis in hematopoietic stem and progenitor cells.Journal of immunology (Baltimore, Md. : 1950) · 2025Article
- Article
- Mitochondrial metabolism regulation and epigenetics in hypoxia.Frontiers in physiology · 2024Review
- Bidirectional interplay between metabolism and epigenetics in hematopoietic stem cells and leukemia.The EMBO journal · 2023Review
- Article
- The role of GATA2 in adult hematopoiesis and cell fate determination.Frontiers in cell and developmental biology · 2023Review
- Modeling Preclinical Cancer Studies under Physioxia to Enhance Clinical Translation.Cancer research · 2022Review
- Tet2 helps blood cells balance in air.Blood · 2022Article
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Authors and funding
10 authors at 3 institutions in 3 countries.
Funding
Abstract
Hematopoietic stem cells (HSCs) manifest impaired recovery and self-renewal with a concomitant increase in differentiation when exposed to ambient air as opposed to physioxia. Mechanism(s) behind this distinction are poorly understood but have the potential to improve stem cell transplantation. Single-cell RNA sequencing of HSCs in physioxia revealed upregulation of HSC self-renewal genes and downregulation of genes involved in inflammatory pathways and HSC differentiation. HSCs under physioxia also exhibited downregulation of the epigenetic modifier Tet2. Tet2 is α-ketoglutarate, iron- and oxygen-dependent dioxygenase that converts 5-methylcytosine to 5-hydroxymethylcytosine, thereby promoting active transcription. We evaluated whether loss of Tet2 affects the number and function of HSCs and hematopoietic progenitor cells (HPCs) under physioxia and ambient air. In contrast to wild-type HSCs (WT HSCs), a complete nonresponsiveness of Tet2-/- HSCs and HPCs to changes in oxygen tension was observed. Unlike WT HSCs, Tet2-/- HSCs and HPCs exhibited similar numbers and function in either physioxia or ambient air. The lack of response to changes in oxygen tension in Tet2-/- HSCs was associated with similar changes in self-renewal and quiescence genes among WT HSC-physioxia, Tet2-/- HSC-physioxia and Tet2-/- HSC-air. We define a novel molecular program involving Tet2 in regulating HSCs under physioxia.
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Registered trials
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 Socratic graph.