Figure 1

Multiplex immunohistochemistry of a kidney allograft with antibody-mediated rejection. Black arrows indicate CD3⁻ (A), CD56⁺ (B), CD57⁺ (C) lymphocytes in the glomerulus. Inset: higher-magnification view of a section demonstrating CD56⁺CD57⁺ NK cells in the glomerulus. Original magnification: ×200.