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4 protocols using nb400 129

1

Immunohistochemical Profiling of Lysosomal Markers

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We used Abs against the C-terminal region of rat and mouse LAMP-1 (ab24170; Abcam, Cambridge, MA), LAMP-2 (L0668; Sigma-Aldrich, St. Louis, MO), LAMP-2a (51-2200; Invitrogen/Life Technologies, Carlsbad, CA), and lysosomal integral membrane protein type-2 (LIMP-2) (NB400-129; Novus Biologicals Oakville, ON, Canada); and against full-length/luminal mouse LAMP-1 (1d4b; Iowa Developmental Studies Hybridoma Bank, University of Iowa, Iowa City, IA), and mouse LAMP-2 (GL2A7; Iowa Developmental Studies Hybridoma Bank). The following Abs were used for immunofluorescence and immunohistochemical analyses: collagen-1 (ab292; Abcam), Ki67 (IHC-00375; Bethyl Laboratories, Inc. Montgomery, TX), α-smooth muscle actin (α-SMA) (clone 1A4; Sigma-Aldrich), insulin (4590; Cell Signaling Technology, Beverly, MA), CD68 (ABIN181836; Antibodies Online, Atlanta, GA), and CD206 (OASA05048; Aviva Systems Biology, San Diego, CA).
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2

Immunohistochemical Analysis of EV-A71, PSGL1, and SCARB2

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Formalin fixed, paraffin embedded tissue sections were deparaffinized using Bond Dewax Solution (Leica) after which Epitopes were retrieved using Bond Epitope Retrieval Solution 1 (Leica). The sections were stained for EV-A71 antigen (10F0, abcam), PSGL1 (bs-0561R, Bioss) or SCARB2 (NB400-129, Novus). In addition, haematoxylin and eosin staining was performed to visualize inflammation.
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3

Quantitative Proteomic Analysis of Cellular Lysates

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Frozen tissue samples and cultured cells were lysed in KPi lysis buffer (25 mM K2HPO4/KH2PO4, pH 6.5, 0.1% (v:v) Triton X-100) supplemented with protease inhibitors (Roche) and sonicated 5× for 1 s with 9 min intervals (amplitude 25%). Equal quantities of protein as assessed by bicinchoninic acid assay (Thermo Fisher Scientific, 23225) were resuspended in Laemmli buffer and denatured at 95 °C. Proteins were subsequently separated by SDS-PAGE using a 10% acrylamide gel and transferred to 0.2 µm nitrocellulose membrane (#1704159, Bio-Rad). Blocking of membranes occurred in 5% (w:v) bovine serum albumin (Sigma, A1906) solution in PBS/0.1% Tween-20 (Sigma, P1379) for 1 h at room temperature (RT). Primary antibodies used were targeted against GPNMB (AF2330; R&D Systems), LIMP2 (NB400-129, Novus Biologicals), and galectin-3 (MABT51, Millipore). Furthermore, rabbit-anti-LAMP1 was used (ab24170, Abcam) and mouse-anti-tubulin (Cedarlane, CLT 9002, Burlington, ON, Canada) was used as loading control. Proteins were detected by using specific secondary conjugated antibodies (Alexa FluorTM 488/647) (Molecular Probes). Detection of immunoblots was performed using a Typhoon FLA 9500 fluorescence scanner (GE Healthcare).
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4

Immunoblot and Immunofluorescence Antibody Protocol

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The following antibodies were used for immunoblot analysis and immunofluorescence labeling: anti-cathepsin C (dilution: 1:1000, sc-5647, Santa Cruz Biotechnology, RRID: AB_2086961), anti-trypsin (dilution: 1:1000, sc-137077, Santa Cruz Biotechnology, RRID: AB_2300318), anti-amylase (dilution: 1:1000, sc-46657, Santa Cruz Biotechnology, RRID: AB_626668), anti-cathepsin B (dilution: 1:1000, MAB965, R&D systems, RRID: AB_2086935), anti-cathepsin L (dilution: 1:1000, MAB9521, R&D systems, RRID: AB_2087829), anti-α/β-tubulin (dilution: 1:1000, #2148, Cell Signaling, RRID: AB_2288042), anti-Rab7 (dilution: 1:1000 (for Immunoblot) and 1:100 (for immunofluorescence), #9367, Cell Signaling, RRID: AB_1904103), anti-syncollin (dilution: 1:1000, ab178415, Abcam), anti-LAMPI (dilution: 1:1000, ab24170, Abcam, RRID: AB_775978), anti-GAPDH (dilution: 1:1000, H86504M, Meridian Life Science, RRID: AB_151542), anti-LIMPII (dilution: 1:1000, NB400-129, Novus Biologicals, RRID: AB_2301298), anti-LAMPII (dilution: 1:1000, L0668, Sigma Aldrich, RRID: AB_477154), anti-rat (dilution: 1:16,000, HAF005, R&D systems, RRID: AB_1512258), anti-goat (dilution: 1:16,000, sc-2020, Santa Cruz Biotechnology, RRID: AB_631728), anti-rabbit (dilution: 1:16,000 (for immunoblots) or 1:200 (for immunofluorescence), NA934V, Amersham) and anti-mouse (dilution: 1:16,000, NA931V, Amersham).
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