IL-6 (A, B) and TNFα (C, D) immunohistochemistry results. Control sections (no primary antibody) are inset in corner of antibody stained sections.
A: AOM middle ear section shows IL-6 antibody staining in the middle ear (ME) mucosa (M) and both external and internal layers of the tympanic membrane (TM).
B: COM inner ear section with IL-6 antibody label in the lateral wall (arrow).
C: AOM inner ear section stained with TNF-α antibody showing its presence in the lateral wall (arrow) and stria vascularis (SV).
D: COM inner ear section with significant TNF-α antibody label in the lateral wall (arrow).