Table 1 Details on immunohistochemical procedures

From: Endothelial heparan sulfate deficiency reduces inflammation and fibrosis in murine diabetic nephropathy

Cell type

Tissue processing

Marker

Antibody

Conjugate(s) + visualization

Macrophages + collagen III

Cryosections, acetone fixed

Collagen III + F4/80

Rat anti-mouse F4/80 (eBioscience, CA, USA) 1:1500 + goat anti-collagen III (Southern Biotech, Birmingham, USA), 1:40

Donkey anti-Rat IgG Alexa 594 (Molecular Probes, Eugene, OR, USA) 1:250 + donkey anti-goat IgG FITC (Southern Biotech, Birmingham, USA); 1:50. Tetramethylrhodamine System (PerkinElmer LAS Inc.)

T-cells

Formaldehyde fixed, paraffin embedded, deparaffinization, Tris/EDTA (pH 9.0)

CD3

Rabbit anti-human CD-3 (cross-reactive with mouse; DAKO, Glostrup, Denmark) 1:100

Goat anti-rabbit Ig HRP 1:100. rabbit anti-goat Ig HRP (DAKO, Glostrup, Denmark) 1:100. Tetramethylrhodamine System (PerkinElmer LAS Inc)

Neutrophils

Cryosections, acetone fixed

NimpR14

Rat anti-mouse NimpR14 (Abcam, Cambridge, UK) 1:2000

Rabbit anti-rat Ig HRP (DAKO, Glostrup, Denmark) 1:100. 3-amino-9-ethyl-carbazole (AEC)

Myofibroblasts

Cryosections, acetone fixed

αSMA

Mouse anti Rabbit anti-SMA 1A4 (Sigma, Zwijndrecht, The Netherlands) 1:4000

Goat α mouse IgG2a HRP (Southern Biotech, Birmingham, USA) 1:100+ rabbit anti-goat Ig HRP (DAKO, Glostrup, Denmark) 1:100. Tetramethylrhodamine System (PerkinElmer LAS Inc)

Collagen III

Cryosections, acetone fixed

Collagen III

Goat anti-collagen III (Southern Biotech, Birmingham, USA) 1:50

Rabbit anti-goat Ig HRP 1:100. Goat anti-rabbit Ig HRP (DAKO, Glostrup, Denmark) 1:100. 3-amino-9-ethyl-carbazole (AEC)

Podocytes

Cryosections, acetone fixed

Wilms’ tumor protein 1

Rabbit anti-human WT-1 C-19 (Santa Cruz Biotechnology) 1:100

Goat anti-rabbit Ig HRP 1:100 + rabbit anti-goat Ig HRP 1:100 (DAKO, Glostrup, Denmark). 3-amino-9-ethyl-carbazole (AEC)

MBL-C + Agrin

Cryosections, acetone fixed

MBL-C

Rat anti-mouse MBL-C (Hycult biotech, Uden, the Netherlands) 1:100 + sheep anti-agrin (GR14, own stock), 1:1500

Goat anti-rat IgG HRP (Jackson ImmunoResearch Laboratories, West Grove, PA) 1:500 + rabbit anti-sheep IgG FITC (Abcam, Cambridge, UK); 1:50. Tetramethylrhodamine System (PerkinElmer LAS Inc)

Complement activation

Cryosections, acetone fixed

C3b/iC3b/C3c

Rat anti-mouse C3b (Hycult biotech, Uden, the Netherlands) 1:100

Rabbit anti-rat Ig HRP 1:100 + goat anti-rabbit Ig HRP (DAKO, Glostrup, Denmark) 1:100. 3-amino-9-ethyl-carbazole (AEC)