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. 2019 Aug 21;9:12207. doi: 10.1038/s41598-019-48226-w

Figure 3.

Figure 3

Examples of analysis techniques for collected biospecimens. (a) Hematoxylin & Eosin staining of HS lesional skin from fresh-frozen tissue. (b) Fontana-Masson staining of HS skin from paraffin-embedded tissue. Scale bar: 100 μm. (c) Immunofluorescence of HS skin for keratin 14 (red), MPO-myeloperoxidase (green), and DAPI (blue). (d) HS skin was digested and primary fibroblasts (first panel) and primary epidermal cells- keratinocytes and melanocytes- (second panel) were cultured. Peripheral blood was collected from HS patients and monocytes/macrophages (third panel) and neutrophils (fourth panel) were isolated and cultured. Scale bar: 50 μm. (e) HS skin was digested into single cell suspension and stained for flow cytometry analysis. (f) Protein was extracted from peripheral blood cells and used to perform Western blot. Uncropped Western Blot in Supplemental Fig. S1. (g) RNA was extracted from homogenized healthy control and HS skin and was quantified with a spectrophotometer. The 260/280 absorbance ratio of ~2 represents the purity and quality of the RNA. (h) Heatmap representing the microbiome of healthy control and HS skin developed by next-generation sequencing.