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Vector s2000

Manufactured by Vector Laboratories
Sourced in United States

The Vector S2000 is a laboratory instrument designed for general application. It features a compact design and provides basic functionality for common laboratory tasks.

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3 protocols using vector s2000

1

Immunohistochemical Staining Protocol for IgG and CD20

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PAS staining and electron microscopy were performed following standard protocols. For immunohistochemical staining for IgG and CD20, 1–2 µm thin slices from formalin-fixed, paraffin-embedded renal biopsies were deparaffinized and pretreated for 15 min at pH6 and 117°C in the autoclave (for CD20) or with proteinase (protease P-8038, Sigma-Aldrich, St. Louis, MO, USA) at 40°C for 15 min (for IgG) followed by incubation with normal serum (Vector S2000, CA, USA) for 10 min. Primary antibodies for IgG (1:7,500) (mouse monoclonal antibody, 209-005-088, Dianova, Hamburg, Germany) and CD20 (1:2,000) (DAKO M0755, CA, USA) were added for 30 min at 40°C. Bound antibodies were then visualized manually using a standard APAAP protocol.
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2

Multicolor Immunofluorescence Staining of Spleen and Aortic Arch

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Spleen sections (10 μm in thickness) were fixed in ice-cold acetone and blocked with Fc-Block (CD16/CD32) in PBS 0.1% BSA prior to incubation with Alexa Fluor 488-conjugated antibody to mouse GL7 (GL7, Biolegend), APC-conjugated IgD (11-26c.2a, eBioscience) and counterstained with DAPI (Sigma D8417). For detection of immune complex deposition in the kidneys, kidneys were mounted in OCT and 6 µm thick frozen sections were blocked with normal horse serum (Vector S-2000) then stained against IgM and IgG2c whilst nuclei were DAPI stained
Aortic arches were harvested, removed surrounding fat and adventitia and fixed in 4% PFA. After they were cut open longitudinally the arch containing lesser and greater curvature was pinned on a parafilm bed. Spleen sections (10 µm in thickness) were fixed in 4% PFA. Permeabilisation was performed with 0.2% Triton X-100 in PBS. Blocking was carried out with normal horse serum followed by primary antibody (CD11c N418, biotin, Pharmingen), and secondary antibody (Streptavidin Dylight 488 conjugated (Vector SA-5488)) staining. Subsequently tissue was stained with Nile red (Sigma N3013)and finally DAPI. Confocal images were taken using a Leica TCS inverted microscope.
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3

Immunohistochemical Analysis of PLA2R1 Protein

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For PLA2R1 immunohistochemical analyses slides were deparaffinized, pre-treated in citrate buffer (pH 6.2) for 15 min at 120°C and cooled down in iced water (10 min). After rinsing in 99% ethanol, slides were incubated for 10 min with normal serum (Vector S2000; VectorLaboratories, Burlingame, CA) followed by PLA2R1-antibodies (polyclonal antibody from rabbit, 1:3000, HPA 012657, Sigma-Aldrich, St. Louis, MO) overnight at 4°C. The slides were then washed in PBS, incubated with polymer 1 (Zytomed Zytochem-Plus AP Polymer-KitPOLAP), rinsed in PBS and incubated with polymer 2 (Zytomed Zytochem-Plus AP Polymer-Kit POLAP). After washing in PBS, slides were stained in new fuchsin naphthol As-Bi phosphate substrate mixture (30 min) followed by 1 min of nuclear staining in hemalaun (Mayer).
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