Abstract
Despite intriguing roles for the Succinate receptor (Sucnr1) in inflammation, few studies have explored its role in hematopoiesis. Here, we show that low SUCNR1 represents a marker for reduced overall and progression-free survival in acute myeloid leukemia (AML) patients. Succinic acid, which displays Sucnr1-dependent and independent effects, promotes disease in mouse models of pre-leukemic myelopoiesis, AML and AML xenografts, expressing low SUCNR1. In vivo global or hematopoietic deletion of Sucnr1 induces expansion of hematopoietic stem and progenitor cells (HSPC) and hematopoiesis, whilst Sucnr1-tomato+ HSPC display restricted engraftment potential. Mechanistically, activation of Sucnr1 counterbalances the stimulatory effect of intracellular succinate in HSPC and preserves HSPC transcriptional programs via control of S100a8/S100a9. Blocking S100a9 with tasquinimod rescues the defects of Sucnr1 knock-out mice, and combined with a potent Sucnr1 agonist shows therapeutic value in AML mice. In AML xenografts, single-cell RNA-sequencing reanalyses confirm SUCNR1 as a therapeutic vulnerability in patients. Together, Sucnr1 signaling restricts hematopoiesis at least partially through HSPC and via control of S100a8/S100a9. Its dysregulation emerges as contributor to malignancy that opens therapeutic avenues for AML patients.
| Original language | English |
|---|---|
| Article number | 2403 |
| Number of pages | 23 |
| Journal | Nature Communications |
| Volume | 17 |
| Issue number | 1 |
| Early online date | 5 Feb 2026 |
| DOIs | |
| Publication status | Published - 12 Mar 2026 |
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HWB-NMR: a national resource for biomolecular research
Tennant, D. (Co-Investigator), Young, S. (Co-Investigator), Lavery, G. (Co-Investigator), Peet, A. (Co-Investigator), Ludwig, C. (Co-Investigator), Futterer, K. (Co-Investigator), Guenther, U. (Co-Investigator), Henderson, I. (Co-Investigator), Willcox, B. (Co-Investigator), Adams, D. (Co-Investigator), Carlomagno, T. (Principal Investigator), Adams, D. (Co-Investigator), Adams, D. (Co-Investigator), Adams, D. (Co-Investigator), Adams, D. (Co-Investigator), Adams, D. (Co-Investigator), Adams, D. (Co-Investigator) & Adams, D. (Co-Investigator)
25/09/17 → 25/09/24
Project: Research
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