Immuno-gold electron microscopy for LSP1 of a mouse lung. Transmission electron micrograph of a mouse lung 9 h post-LPS treatment shows staining for LSP1 in plasma membrane, nucleus, and cytoplasm of a neutrophil (N, red arrows), an endothelial cell (E, blue arrows), and type I pneumocytes (p1, yellow arrows). As, alveolar space. Original magnification ×20,000.