Myeloid EGFR deficiency accelerates recovery from AKI via macrophage efferocytosis and neutrophil apoptosis

Yu Pan, Shirong Cao, Yinqiu Wang, Jiaqi Tang, Aolei Niu, Sarah Abu Kar, Mengdi Jiang, Fenfen Peng, Gabriela M. Siew, Wentian Lu, Suwan Wang, Matthew Wilson, Craig Brooks, Agnes B. Fogo, Andrew S. Terker, Juan Pablo Arroyo Ornelas, Jianchun Chen, Ming-Zhi Zhang () and Raymond C. Harris ()
Additional contact information
Yu Pan: Vanderbilt University Medical Center
Shirong Cao: Vanderbilt University Medical Center
Yinqiu Wang: Vanderbilt University Medical Center
Jiaqi Tang: Vanderbilt University Medical Center
Aolei Niu: Vanderbilt University Medical Center
Sarah Abu Kar: Vanderbilt University Medical Center
Mengdi Jiang: Vanderbilt University Medical Center
Fenfen Peng: Vanderbilt University Medical Center
Gabriela M. Siew: Vanderbilt University Medical Center
Wentian Lu: Vanderbilt University Medical Center
Suwan Wang: Vanderbilt University Medical Center
Matthew Wilson: Vanderbilt University Medical Center
Craig Brooks: Vanderbilt University Medical Center
Agnes B. Fogo: Vanderbilt University Medical Center
Andrew S. Terker: Vanderbilt University Medical Center
Juan Pablo Arroyo Ornelas: Vanderbilt University Medical Center
Jianchun Chen: Vanderbilt University Medical Center
Ming-Zhi Zhang: Vanderbilt University Medical Center
Raymond C. Harris: Vanderbilt University Medical Center

Nature Communications, 2025, vol. 16, issue 1, 1-19

Abstract: Abstract Altered expression and activation of Epidermal Growth Factor Receptor (EGFR) is implicated in acute and chronic kidney injury. One of the important cellular sources of EGFR is the myeloid compartment, which plays roles in both acute kidney injury and subsequent fibrosis. Here we show in a murine ischemic acute kidney injury (AKI) model that myeloid deletion of EGFR promotes a pro-resolving, anti-inflammatory phenotype and increased efferocytotic capacity in macrophages. This leads to accelerated recovery in response to AKI and inhibited subsequent development of tubulointerstitial fibrosis. We find that selective EGFR deletion in neutrophils also accelerates recovery from ischemic kidney injury and reduces subsequent fibrosis. EGFR activation plays an essential role in increasing the life span of neutrophils in the injured kidney. Deletion of EGFR expression either in all murine myeloid cells or selectively in neutrophils decreases kidney neutrophil Mcl-1 expression and promotes neutrophil apoptosis, which is accompanied by accelerated recovery from organ injury and reduced subsequent fibrosis. These studies thus identify coordinated and complementary roles for EGFR activation in neutrophils and macrophages to exacerbate kidney injury.

Date: 2025
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DOI: 10.1038/s41467-025-59393-y

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