1361-Spatial Mapping of Species-Specific Erythroid Niches
Research published in Nature Genetics utilizes spatial transcriptomics to reveal that the architecture of erythroblastic islands (EBIs)—specialized niches for red blood cell maturation—is fundamentally different between mice and humans. In mice, these structures are centered around C1q-expressing macrophages, which are essential for clearing discarded nuclei during cell development. Conversely, human EBIs in fetal livers and bone marrow often form macrophage-independent erythroid clusters that rely on the adhesion molecule ICAM4 for their structural integrity. These human-specific clusters…
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