Co-culture of bone-marrow-derived macrophages with aged primary myoblasts

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ID: 320658
2026
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Abstract
Abstract Skeletal muscle regeneration depends on the coordinated activity of multiple cell populations within the muscle stem cell niche, most prominently macrophages, which undergo dynamic phenotypic transitions essential to tissue repair. Aging disrupts this process, impairing macrophage signaling and muscle stem cell function in ways that are not yet fully understood. Existing approaches (e.g., conditioned media transfer and indirect transwell co-culture) fail to recapitulate the direct cell-to-cell contact required for continuous, reciprocal regulation throughout the regenerative cascade. Here, we present a protocol for the isolation of bone marrow-derived and tissue-resident macrophages from skeletal muscle, together with a direct co-culture methodology designed to interrogate macrophage–myoblast interactions in an age-relevant context.
Reference Key
openalex_W7168052186 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ryan Arsenault, Anthony Ziadeh, Alexander Green, Junio Dort
Journal Biology Methods and Protocols
Year 2026
DOI
10.1093/biomethods/bpag041
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