Inflammation signal (IL-1β)
IL-1β↓
Also searched as IL-1β.
This signal is released when cells rupture, and it summons more inflammation. Blocking it improves cardiac function and reduces the enzymes that leak from injured muscle.
In depth
One of the earliest and loudest inflammatory signals in the damaged heart.
What drives it
Inflammatory protease increases it.
10.3389/fimmu.2023.1128358 — this one was confirmed in actual human hearts, not only in mice. 'The presence of the NLRP3 inflammasome has been shown in endomyocardial biopsies of patients with acute myocarditis' (ScienceDirect Topics — Coxsackievirus B3 overview (citing Toldo et al. 2014; Wang, Gao & Xiong 2014; Wang et al. 2018)). Most of what is known about this illness comes from animals — this step was found in tissue taken from living patients. And the chain is timed: 'Infection with coxsackievirus B3... is associated with enhanced NLRP3 activation together with increased ASC, caspase-1 and IL-1β expression observed within 7 days from the infection in mice.'. doi 10.3389/fimmu.2023.1128358
What it drives
It increases Heart muscle inflammation.
10.1007/s00395-019-0719-0 — and blocking it rescues the pump — which is the test that matters. 'inhibition of caspase-1 OR IL-1β ameliorates cardiac function and reduces the release of myocardial enzymes' (ScienceDirect Topics — Coxsackievirus B3 overview (citing Toldo et al. 2014; Wang, Gao & Xiong 2014; Wang et al. 2018)). ⇒ not a marker that merely tracks the disease. Interrupt it and the heart works better and leaks less. That is proof by blockade on a functional endpoint. doi 10.1007/s00395-019-0719-0
It reduces Cardiac output.
10.1007/s40119-018-0104-3 — and blocking it rescues the pump — which is the test that matters. 'inhibition of caspase-1 OR IL-1β ameliorates cardiac function and reduces the release of myocardial enzymes' (ScienceDirect Topics — Coxsackievirus B3 overview (citing Toldo et al. 2014; Wang, Gao & Xiong 2014; Wang et al. 2018)). ⇒ not a marker that merely tracks the disease. Interrupt it and the heart works better and leaks less. That is proof by blockade on a functional endpoint. doi 10.1007/s40119-018-0104-3
Blends that modulate it
Each blend page names this pathway and carries the study behind its claim.
See it on the map
Open the causal map to follow this pathway upstream and downstream, arrow by arrow, each with its study.