Review Article

Muscarinic Receptors and Their Antagonists in COPD: Anti-Inflammatory and Antiremodeling Effects

Figure 2

Synergistic effects of acetylcholine (ACH) and cigarette smoke on M1, M2, and M3 receptors. LTB4: leukotriene B4, PKC: protein kinase C, : nuclear factor kappaB, and : inhibitor of .
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