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5 protocols using anti muc5ac

1

Antibody-Based Histology and Cell Staining Protocols

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The following antibodies for histology and cell staining were purchased from Santa Cruz Biotechnology: anti-MUC5AC (Santa Cruz, CA, sc-16903, AB_649616), anti-phospho-PI3K p85α (Tyr467: Santa Cruz, CA, sc-293115, AB_10844180), anti-PI3K p85α (Santa Cruz, CA, sc-31970, AB_2268186), anti-phospho-Akt1 (Thr308: Santa Cruz, CA, sc-135650, AB_2224730), anti-Akt1 (Santa Cruz, CA, sc-1618, AB_630849), anti-phospho-NFκB p65 (Ser536: Santa Cruz, CA, sc-33020, AB_2179018), anti-NFκB p65 (Santa Cruz, CA, sc-109, AB_632039), anti-Lyn (Santa Cruz, CA, sc-15, AB_2281450), and anti-β-actin (Santa Cruz, CA, sc-130656, AB_2223228). The following antibodies for histology were purchased from Abcam Biotechnology: anti-BIP (Abcam, ab21685, AB_2119834), anti-CHOP (Abcam, ab11419, AB_298023), anti-histone H3 (Abcam, ab1791, AB_302613), and anti-IL-13 (Abcam, ab133353, AB_11157609). Anti-phospho-Lyn (Tyr416: Cell Signaling Technology, #2101, AB_331697) was purchased from Cell Signaling Technology. Anti-IL13 (R&D Systems, AF-413-NA, and AB_2124173) and IL-13 ELISA reagents (R&D Systems, M1300CB) were purchased from R&D Systems. IL-13 (PeproTech, #200-13), 4-Phenylbutyric acid (4-PBA, Sigma-Aldrich, P21005), PI3K Inhibitor PI-103 (Selleck, S1038) were purchased as indicated. A nonsilencing siRNA control and a Lyn-specific siRNA were purchased from Santa Cruz Biotechnology (Santa Cruz, CA).
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2

Histological and Immunohistochemical Analysis of Tumor Tissues

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For light microscopic analysis, formaldehyde-fixed, paraffin-embedded tumor tissues were stained with hematoxylin and eosin (H&E) using standard techniques. Immunohistochemical staining was performed using the Simple Stain MAX-PO kit (Nichirei Bioscience), the Histofine SAB-PO (R) kit (Nichirei Bioscience) or the BenchMark GX automated slide preparation system (Ventana). The following primary antibodies were used: anti-MUC5AC (Santa Cruz Biotechnology), anti-ETV4 (Abcam), anti-CCND2 (Santa Cruz Biotechnology).
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3

Immunostaining of Airway Epithelial Cells

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Example 10

The ALI culture was washed with PBS and fixed by 4% PFA for 20 mins. at room temperature. The fixed structures were washed with PBS and blocked by TBST (Tris Buffered Saline with Tween 20) with 0.1% Triton and 5% BSA for one hour. The structures were then incubated with the primary antibody, e.g., anti-acetylated alpha tubulin (Sigma) and anti-Muc5Ac (Santa Cruz), at 1:500 dilution for one hour, washed with PBS and then incubated with the Alexa Fluro® 488 donkey anti-mouse IgG (H+L) and Alexa Fluro® 594 donkey anti-rabbit IgG (H+L) secondary antibodies for one hour. After washing, the VECTASHIELD mounting medium was added, and 3D images were taken by Zeiss LCM510 confocal microscope.

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Immunohistochemical Staining of MUC5B and MUC5AC

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For immunohistochemical staining, primary antibodies were used at the following concentrations: rabbit polyclonal anti-MUC5B (1:200; sc-20 119, Santa Cruz Biotechnology) and rabbit polyclonal anti-MUC5AC (1:50; sc-20 118, Santa Cruz Biotechnology).
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5

Murine Asthma Model Protocol

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Luteolin, picrotoxin, ovalbumin and the PAS staining kit and other chemical reagents were purchased from Sigma (Sigma-Aldrich, St. Louis, MO, USA). Anti-Muc5ac and anti-alpha-tubulin antibodies were purchased from Santa Cruz Biotechnology (sc-21701, sc-12462-R, Dallas, TX, USA). Horseradish peroxidase (HRP)-conjugated secondary antibodies were purchased from Pierce Biotechnology (Thermo Fisher Scientific, Rockford, IL, USA). IL-4, IL-5 and IgE ELISA kits were purchased from BD Biosciences (San Diego, CA, USA). The IL-13 kit was purchased from R&D Systems (Minneapolis, MN, USA). OVA for intraperitoneal (i.p.) injection was adsorbed to aluminum hydroxide adjuvant (Santa Cruz, Dallas, TX, USA) at a ratio of 50 μg to 2 mg in 200 μl PBS. OVA for intratracheal (i.t.) injection was dissolved in saline at a final concentration of 2.5 mg/ml. Luteolin (Sigma-Aldrich, St. Louis, MO, USA) was prepared in DMSO and diluted with saline. picrotoxin (Sigma-Aldrich, St. Louis, MO, USA) was prepared in DMSO and diluted with saline. Saline with 0.5% DMSO was used as a vehicle in control groups. The final concentration of DMSO in all reaction mixtures was less than 0.5%.
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