Journal: Arthritis Research & Therapy
Article Title: Tumor necrosis factor and norepinephrine lower the levels of human neutrophil peptides 1-3 secretion by mixed synovial tissue cultures in osteoarthritis and rheumatoid arthritis
doi: 10.1186/ar3044
Figure Lengend Snippet: Double immunofluorescence of human neutrophil peptides 1-3 (HNP1-3) and human β-defensin 2 (HBD 2) in synovial tissue of an RA patient . Arrowheads show double-positive cells. Left panels: HNP1-3 (red staining) were co-localized with neutrophil elastase (green staining), as indicated by the yellow color in this overlay image. Right panels : HBD-2 (red fluorescence) was rarely detected. Some fibroblasts (green fluorescence in the upper right panel) and some CD19 + B lymphocytes (green fluorescence in the lower right panel) stained positive for HBD-2 (yellow overlay). Magnification 400×.
Article Snippet: Then, sections were incubated with either monoclonal mouse anti-human antibodies against HNP1-3 (BMA Biomedicals, Augst, Switzerland, no. T 1034; dilution, 1:1,000; these antibodies recognize HNP-1 to -3) or polyclonal rabbit anti-human antibodies against HBD-2 (Biologo, Kronshagen, Germany, no. DEF002; dilution, 1:100).
Techniques: Immunofluorescence, Staining, Fluorescence