Host oxidative stress and inflammatory pathways

Host oxidative stress and inflammatory pathways represent a complex, interconnected network of biological processes essential for maintaining cellular homeostasis and responding to pathological stimuli. Oxidative stress occurs when the production of reactive oxygen species (ROS) exceeds the capacity of endogenous antioxidant systems, leading to oxidative damage of lipids, proteins, and DNA (Source: StatPearls, Physiology, Oxidative Stress). This state is inextricably linked to inflammatory pathways; for instance, ROS can activate the transcription factor NF-κB, which triggers the expression of pro-inflammatory cytokines like TNF-α and IL-6, while activated immune cells further generate ROS, creating a self-amplifying loop (Source: Hussain et al., 2016, "Oxidative stress and inflammation: what are they and why do they matter?"). Dysregulation of this redox-inflammatory axis is a fundamental driver in the progression of chronic diseases, including cardiovascular disorders, neurodegeneration, and metabolic syndrome (Source: He et al., 2020, "The Nrf2-NF-κB axis"). Pharmacological strategies often target these pathways by activating cytoprotective mechanisms, such as the Nrf2-mediated antioxidant response, or by inhibiting specific inflammatory mediators to mitigate tissue damage and restore physiological balance. These interventions aim to break the cycle of chronic inflammation and oxidative damage that characterizes many age-related and chronic conditions.

Other names

Oxidative stress-inflammation axisRedox-inflammatory signalingPro-inflammatory and pro-oxidant pathwaysHost inflammatory and oxidative responseRedox-inflammatory pathways

Modulation of redox-sensitive signaling cascades, primarily through the activation of the Nrf2-Keap1 antioxidant pathway and the inhibition of the NF-κB and NLRP3 inflammasome pathways, to reduce oxidative damage and systemic inflammation.