Inflammatory and immune pathways in the kidney microenvironment

The inflammatory and immune pathways in the kidney microenvironment represent a complex network of cellular and molecular interactions that govern the organ's response to injury and disease. This microenvironment involves resident cells, such as podocytes and tubular epithelial cells, interacting with infiltrating immune cells like macrophages, T cells, and neutrophils through various signaling cascades including the complement system, TLR signaling, and the NLRP3 inflammasome (Anders et al., 2018, Nature Reviews Nephrology). Dysregulation of these pathways is a central driver in the progression of chronic kidney disease (CKD) and acute kidney injury (AKI), where persistent inflammation leads to maladaptive repair and renal fibrosis (Tang & Flynn, 2015, Journal of the American Society of Nephrology). Therapeutic strategies often focus on specific nodes within these pathways, such as cytokine receptors or intracellular kinases, to dampen the inflammatory response and preserve renal function (Ruiz-Ortega et al., 2020, Nature Reviews Nephrology). However, because these pathways are often essential for host defense, targeting them requires a balance between therapeutic efficacy and the risk of systemic immunosuppression.

Other names

Renal inflammatory microenvironmentIntrarenal immune signalingKidney immune landscapeRenal immune milieu

Modulation of specific components within the renal microenvironment, such as complement inhibition, JAK/STAT signaling blockade, or reduction of pro-inflammatory cytokine production to prevent tissue damage and fibrosis.