Cited by 102Inflammasome and immune disordersHematopoietic Stem Cell TransplantationAcute Myeloid Leukemia Research

The Nlrp3 inflammasome as a “rising star” in studies of normal and malignant hematopoiesis

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Ratajczak, Mariusz Z., Bujko, Kamila, Cymer, Monika, Thapa, Arjun, Adamiak, Mateusz, Ratajczak, Janina, Abdel-Latif, Ahmed K., Kucia, Magda·2020·Leukemia

Abstract

Recent investigations indicate that hematopoiesis is coregulated by innate immunity signals and by pathways characteristic of the activation of innate immunity cells that also operate in normal hematopoietic stem progenitor cells (HSPCs). This should not be surprising because of the common developmental origin of these cells from a hemato/lymphopoietic stem cell. An important integrating factor is the Nlrp3 inflammasome, which has emerged as a major sensor of changes in body microenvironments, cell activation, and cell metabolic activity. It is currently the best-studied member of the inflammasome family expressed in hematopoietic and lymphopoietic cells, including also HSPCs. It is proposed as playing a role in (i) the development and expansion of HSPCs, (ii) their release from bone marrow (BM) into peripheral blood (PB) in stress situations and during pharmacological mobilization, (iii) their homing to BM after transplantation, and (iv) their aging and the regulation of hematopoietic cell metabolism. The Nlrp3 inflammasome is also involved in certain hematological pathologies, including (i) myelodysplastic syndrome, (ii) myeloproliferative neoplasms, (iii) leukemia, and (iv) graft-versus-host disease (GvHD) after transplantation. The aim of this review is to shed more light on this intriguing intracellular protein complex that has become a “rising star” in studies focused on both normal steady-state and pathological hematopoiesis.

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  • Hyperactivation of P2X7 receptors is closely related to inflammatory processes because they are stimulated by ATP released from distressed cells and induce inflammasome activation.

    “Hyperactivation of P2X7 receptors is closely related to inflammatory processes since they are stimulated by ATP released from distressed cells and induce inflammasome activation [16–18].”

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Authors
Ratajczak, M. Z., Bujko, K., Cymer, M., Thapa, A., Adamiak, M., Ratajczak, J., Abdel-Latif, A. K., & Kucia, M.
Affiliations
  • University of Louisville (US)
  • Medical University of Warsaw (PL)
Corresponding author
Ratajczak, Mariusz Z.
Venue
Leukemia
Published
2020-04-20
Volume
34
Issue
6
Pages
1512-1523
ISSN
  • 0887-6924 (ISSN-L)
  • 1476-5551
OpenAlex
W3017074888
Cited by
102
References
119
Citations by year
2026: 5 · 2025: 13 · 2024: 14 · 2023: 12 · 2022: 23 · 2021: 20 · 2020: 15
FWCI
1.68
Type
journal article
Language
en
Open access
Locations
  • Leukemia (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
U.S. Department of Health & Human Services | NIH | National Institute of Diabetes and Digestive and Kidney Diseases (2R01 DK074720)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Health Sciences › Medicine › Hematology › Acute Myeloid Leukemia Research
Keywords
NLRP3 inflammasome, hematopoiesis, hematopoietic stem and progenitor cells, innate immunity, hematopoietic stem cell mobilization, hematopoietic stem cell homing, hematopoietic stem cell aging, myelodysplastic syndrome, myeloproliferative neoplasms, graft-versus-host disease, bone marrow microenvironment
MeSH terms
NLR Family, Pyrin Domain-Containing 3 Protein, Animals, Hematopoiesis, Hematopoietic Stem Cells, Humans, Myelodysplastic Syndromes, Inflammasomes

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