This month's cover highlights the article A novel bacterial effector protein mediates ER-LD membrane contacts to regulate host lipid droplets by Stacey D. Gilk, Rajendra Angara and Arif Sadi. The ...

Nitric oxide is endogenously released in the airways by nitric oxide synthase. Functionally, two isoforms of this enzyme exist: constitutive and inducible. The former seems to protect airways from ...

Preganglion fibers release acetylcholine at the level of peribronchial ganglia, from which postganglion fibers are generated, leading to the release of acetylcholine in the bronchial wall.