Integrative spatial multi-omics reveal niche-specific inflammatory signaling and differentiation hierarchies in AML.
1/5 보강
Acute myeloid leukemia (AML) is a clonal disorder characterized by immature blasts and arrested differentiation that primarily affects the bone marrow (BM) and occasionally presents as extramedullary
APA
Dasdemir E, Veletic I, et al. (2026). Integrative spatial multi-omics reveal niche-specific inflammatory signaling and differentiation hierarchies in AML.. iScience, 29(1), 114289. https://doi.org/10.1016/j.isci.2025.114289
MLA
Dasdemir E, et al.. "Integrative spatial multi-omics reveal niche-specific inflammatory signaling and differentiation hierarchies in AML.." iScience, vol. 29, no. 1, 2026, pp. 114289.
PMID
41536977 ↗
Abstract 한글 요약
Acute myeloid leukemia (AML) is a clonal disorder characterized by immature blasts and arrested differentiation that primarily affects the bone marrow (BM) and occasionally presents as extramedullary (EM) disease. EM manifestations highlight AML's adaptability to distinct microenvironments, which we examined using spatial analyses of medullary and EM tissues. We describe a workflow for Visium-based spatial transcriptomics in medullary and EM AML, revealing insights into cell-cell communication and the spatial organization of AML hierarchies. In BM, monocytes and granulocyte-monocyte progenitors colocalized with leukemic populations, sharing molecular signatures with those in EM sample. CXCL12-CXCR4-mediated communication correlated with PI3K/AKT/mTOR signaling in inflammatory niches. -differentiation signals concentrated in AML-infiltrated regions; committed-like AML cells resided in inflammatory niches distant from trabeculae, while primitive-like cells localized near the endosteal niche. GeoMX digital spatial profiling and Opal multiplex fluorescent immunohistochemistry provided orthogonal validation. Overall, our study offers a valuable multimodal resource for exploring AML spatial biology with potential applications in other BM malignancies.
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