Cardiac macrophages are essential mediators of cardiac development, tissue homeostasis, and response to injury. Cell-intrinsic shifts in metabolism and availability of metabolites regulate macrophage function. The human and mouse heart contain a heterogeneous compilation of cardiac macrophages that are derived from at least two distinct lineages. In this review, we detail the unique functional roles and metabolic profiles of tissue-resident and monocyte-derived cardiac macrophages during embryonic development and adult tissue homeostasis and in response to pathologic and physiologic stressors. We discuss the metabolic preferences of each macrophage lineage and how metabolism influences monocyte fate specification. Finally, we highlight the contribution of cardiac macrophages and derived metabolites on cell–cell communication, metabolic health, and disease pathogenesis.

Original languageEnglish
Pages (from-to)249-262
Number of pages14
JournalTrends in Endocrinology and Metabolism
Issue number3
StatePublished - Mar 2024


  • HFpEF
  • cardiac
  • exercise
  • infarction
  • macrophage
  • metabolism


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