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4 protocols using laminin a c

1

Cytokine-Induced Signaling Pathway Inhibition

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Recombinant human cytokines and anti-human IL-36γ were purchased from R&D Systems (Minneapolis, MN). Inhibitors of p42/44 MAPK (PD98059 and U0216) and inhibitor for p38 MAPK (SB203580) were purchased from Merck (Darmstadt, Germany). siRNA for NF-κB p65, c-Jun and a control siRNA were purchased from Santa Cruz (Santa Cruz, CA). Antibodies against phosphorylated and total p42/44 MAPK (ERK1/2), p38 MAPK, JNK1/2, GAPDH and laminin A/C were purchased from Cell Signaling Technology (Beverly, MA). Antibodies against phosphorylated c-Jun, NF-κB p65, phosphorylated IκBα were purchased from Santa Cruz. All other reagents were purchased from Sigma Chemical Co. (St Louis, MO).
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2

Protein Quantification and Localization Protocol

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2-deoxyglucose (2-DG, Sigma, D6134-250MG) was dissolved in 1x DPBS. SBI-0206965 (Cayman Chemical, 18477) and MK-8722 (Aobious, AOB33226) were dissolved in DMSO (Sigma-Aldrich). Hoescht 33342 (Cell Signaling, 4082S) and puromycin (Sigma-Aldrich, P9620) were dissolved in deionized water. For western blotting and immunostaining, antibodies from Cell Signaling Technologies (Denvers, MA USA) were used at 1:1000 dilution unless otherwise noted: P-ACC S79 (3661), P-AMPK T172 (2535), ACC (3662), AMPKα (2532), GAPDH (5174, 1:10,000), Laminin A/C (4777), LKB1 (3047), β-tubulin (2146, 1:10,000). From Sigma-Aldrich, anti-Actin (A5441) was diluted 1:10,000 and anti-Tubulin (T5168) was diluted 1:5000. From Santa Cruz, CaMKK2 (sc-100364) was diluted 1:500–1:1000. From Pierce, horseradish peroxidase-labeled goat anti-rabbit (PI31460) or anti-mouse (PI31430) was diluted 1:1000–1:10,000. Lipofectamine 2000 (11668019) was purchased from Thermo Fisher, and FuGENE HD (E2311) was purchased from Promega. MitoTracker Red (M22425) and LysoTracker Red (L7528) were purchased from Thermo Fisher and diluted in DMSO.
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3

Metabolic Pathway Regulation Assay

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2-deoxyglucose (2-DG, Sigma, D6134-250MG) was dissolved in 1x DPBS. SBI-0206965 (Cayman Chemical, 18477), MK-8722 (Aobious, AOB33226), and CCCP (Fisher Scientific, AC228131000) were dissolved in DMSO (Sigma Aldrich). Hoescht 33342 (Cell Signaling, 4082S) was dissolved in deionized water. For western blotting and immunostaining, antibodies from Cell Signaling Technologies (Denvers, MA USA) were used at 1:1000 dilution unless otherwise noted: P-ACC S79 (3661), P-AMPK T172 (2535), ACC (3662), AMPK⍺ (2532), GAPDH (5174, 1:10,000), Laminin A/C (4777), β-tubulin (2146, 1:10,000). From Sigma-Aldrich, anti-Actin (A5441) was diluted 1:10000 and anti-Tubulin (T5168) was diluted 1:5000. Lipofectamine 2000 (11668019) was purchased from ThermoFisher, and FuGENE HD (E2311) was purchased from Promega.
MitoTracker Red (M22425) and LysoTracker Red(L7528) were purchased from ThermoFisher and diluted in DMSO.
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4

Immunoblot Analysis of Cell Signaling Proteins

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Samples were prepared from cell lysates or conditioned media diluted in Tris-NaCl-EDTA (TNE) lysis buffer. Conditioned medium was prepared by seeding tumor cells to 70% confluence, followed by 48-hour incubation with serumfree medium that was used as conditioned medium. All immunoblots were performed in triplicate, as previously described. 17 Representative immunoblots are shown. The antibodies used for immunoblotting were as follows: CCN3 (Abcam, Cambridge, UK; catalog number 137677), V5 (Invitrogen, Carlsbad, CA; catalog number 46-0705), prostate-specific antigen (PSA; Ventana, Oro Valley, AZ; catalog number ER-PR8), AR (Cell Signaling; catalog number 5153), laminin A/C (Cell Signaling, Danvers, MA; catalog number 4777), E-cadherin (Cell Signaling; catalog number 3195), glyceraldehyde-3-phosphate dehydrogenase (Millipore, Burlington, MA; catalog number MAB474), and a-tubulin (Sigma-Aldrich; catalog number T9026).
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