Tissue-resident macrophages: guardians of organ homeostasis

Samuel Philip Nobs, Manfred Kopf

Research output: Contribution to journalArticlepeer-review


Tissue-resident macrophages (MTR) have recently emerged as a key rheostat capable of regulating the balance between organ health and disease. In most organs, ontogenetically and functionally distinct macrophage subsets fulfill a plethora of functions specific to their tissue environment. In this review, we summarize recent findings regarding the ontogeny and functions of macrophage populations in different mammalian tissues, describing how these cells regulate tissue homeostasis and how they can contribute to inflammation. Furthermore, we highlight new developments concerning certain general principles of tissue macrophage biology, including the importance of metabolism for understanding macrophage activation states and the influence of intrinsic and extrinsic factors on macrophage metabolic control. We also shed light on certain open questions in the field and how answering these might pave the way for tissue-specific therapeutic approaches.
Original languageEnglish
Pages (from-to)495-507
Number of pages13
JournalTrends in Immunology
Issue number6
StatePublished - Jun 2021


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