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4 protocols using sb216763 s3442

1

Antibody Detection of Integrin Variants

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Primary antibodies used for the detection of the α6A and α6B variants were anti-α6A [western blot (WB): 1/500, immunofluorescence (IF): 1/100] (1A10, Millipore, Etobicoke, Ontario) and anti-α6B (WB: 1/500, IF: 1/100) (6B4, Millipore). These antibodies were originally a generous gift from Dr A.Sonnenberg (Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands). Other primary antibodies used were anti-integrin β4 (WB: 1/5000, IF: 1/100) (3E1, Millipore), anti-integrin α6 (IF: 1/1000) (GOH3, Millipore), anti-β-actin (WB: 1/75 000) (C4, Millipore), anti-active-β-catenin (WB: 1/2500) (8E7, Millipore) recognizing the dephosphorylated form of β-catenin on Ser37 and Thr41 (sites of GSK3β phosphorylation), anti β-catenin (WB: 1/2500) (610153, BD Biosciences, Mississauga, Ontario), anti-DVL2 (WB: 1/2500) (30D2, Cell Signaling Technology, Danvers, MA), anti-cytokeratin 18 (WB: 1/1 000 000) (CY-90, Sigma–Aldrich, Oakville, Ontario), anti-histone H1 (WB: 1/1000) (AE-4, Santa Cruz Biotechnologies, Santa Cruz, CA), anti-integrin β1 (WB: 1/1000) (Mab13, BD Biosciences), anti-GSK3β (WB: 1/5000) (27C10, Cell Signaling Technology) and anti-H3K27me3 (WB: 1/1000) (07-449, Millipore). The pharmacological inhibitor of GSK3β (SB216763, S3442, Sigma–Aldrich) was used at a final concentration of 20 µM. The protease inhibitor cocktail (P8340) was purchased from Sigma.
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2

Autophagy Regulation Signaling Pathway

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3‐methylamphetamine (M9281), rapamycin (37094), SB216763 (S3442), and KT‐5823 (K1388) were purchased from Sigma‐Aldrich (St. Louis, MO, USA); antibodies were used against light‐chain 3B (LC3B; Aviva Systems Biology Cat# ARP51335_P050, https://scicrunch.org/resources/Any/search?q=AB_2044956&l=AB_2044956), Beclin 1 (Novus Cat# NB500‐249B, https://scicrunch.org/resources/Any/search?q=AB_1216268&l=AB_1216268), GSK‐3β (Cell Signaling Technology Cat# 12456, https://scicrunch.org/resources/Any/search?q=AB_2636978&l=AB_2636978), phospho‐GSK‐3β (Ser9; Cell Signaling Technology Cat# 14310, https://scicrunch.org/resources/Any/search?q=AB_2798445&l=AB_2798445), phospho‐GSK‐3β (Tyr216; Abcam, Cat# 75745), SQSTM1/p62 (Cell Signaling Technology Cat# 5114, RRID:AB_10624872), APG5L/ATG5 (Abcam Cat# ab109490, https://scicrunch.org/resources/Antibodies/search?q=AB_10861245&l=AB_10861245), https://scicrunch.org/resources/Antibodies/search?q=AB_1063421&l=AB_1063421 (LifeSpan Cat# LS‐C42463‐50, RRID:AB_1063421), https://scicrunch.org/resources/Antibodies/search?q=AB_10800793&l=AB_10800793 (LifeSpan Cat# LS‐C121392‐50, RRID:AB_10800793), https://scicrunch.org/resources/Antibodies/search?q=AB_2263076&l=AB_2263076 (Proteintech Cat# 10494‐1‐AP, RRID:AB_2263076), and β‐actin (Proteintech, Cat# 60008‐1‐Ig).
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3

Immunoblotting and ChIP-PCR Assays

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Antibodies specific for TCF1 (#2203 S) and pERK (T202/Y204, #4377 S) from Cell Signaling Technology, and DUSP6 (ab76310) from Abcam, were used at a dilution of 1 in 1000 for immunoblotting or 1 in 50 for ChIP-PCR. Antibodies specific for β-actin were from Santa Cruz Biotechnology (sc-47778 HRP) and used at 1 in 10000. Fluorochrome-conjugated antibodies were from BD Biosciences including CD4-APC (555349), CD69- PerCP-Cy5.5 (560738) and CD45RA-PE-Cy™7 and BioLegend including CD62L-PE (304806), CD25-APC (302610) and human IL-2 Alexa-Fluor-488 (500314). All antibodies for flow cytometry were used at 1 in 50. PIM1 inhibitor (526521), GSK3β inhibitors, BIO (2’Z,3’E)-6-Bromoindirubin-3ʹ-oxime (361550) and SB216763 (S3442), were from Sigma.
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4

Investigating Neurodegeneration Mechanisms

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An MTT assay kit was purchased from Roche. A site-directed mutagenesis kit was purchased from Stratagene. 6-Hydroxydopamine hydrobromide (6-OHDA), DMSO, SB216763 (S3442, an inhibitor of GSK3β) and AGK2 (A8231, an inhibitor of SIRT2) were obtained from Sigma-Aldrich. Antibodies against pGSK3β (Ser9) and GSK3β were purchased from Cell Signaling (Danvers, MA, USA). Antibodies against SIRT2, ace-tubulin, α-tubulin, HA and Flag were purchased from Sigma-Aldrich. Secondary antibodies conjugated to Alexa 488 or Alexa 594 were purchased from Invitrogen. Hoechst 33258 (94403) was purchased from Sigma-Aldrich. Protein A/G-coated Sepharose beads were obtained from Santa Cruz Biotechnology (Dallas, TX, USA). An anti-phosphoserine/threonine/tyrosine antibody was obtained from Abcam (ab15556). Protein kinase CDK5/p25 (cat. 14—516) and GSK3β (cat. 14—306) were purchased from Millipore. Cells were transfected using Lipofectamine 2000 Transfection Reagent (Invitrogen, Thermo Fisher Scientific, Waltham, MA, USA). Other chemicals and reagents were of the highest analytical grade and were purchased from local commercial sources.
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