System-level inflammatory and metabolic pathways

System-level inflammatory and metabolic pathways encompass the integrated signaling networks that regulate immune responses and energy homeostasis, a field often termed immunometabolism (Hotamisligil, 2017, Nature). These pathways involve a complex interplay between cytokines, hormones, and intracellular sensors like AMPK and mTOR that coordinate cellular functions across the liver, adipose tissue, and immune system (Medzhitov, 2008, Nature). Chronic dysregulation of these pathways leads to 'meta-inflammation,' a low-grade inflammatory state that is a hallmark of obesity, type 2 diabetes, and cardiovascular disease (Hotamisligil, 2006, Nature). While the term describes a broad physiological system rather than a single druggable molecule, it serves as a framework for identifying specific therapeutic targets such as TNF-alpha, IL-6, or PPAR-gamma. Therapeutic strategies targeting these pathways aim to resolve chronic inflammation and restore metabolic sensitivity to prevent or treat systemic metabolic syndromes.

Other names

ImmunometabolismMeta-inflammationMetabolic-inflammatory axisInflammatory-metabolic network

As a system-level concept rather than a single molecular target, there is no singular mechanism of action; instead, therapeutic agents modulate specific nodes within these pathways—such as inhibiting pro-inflammatory cytokines or activating metabolic sensors like AMPK—to restore systemic balance.