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3 protocols using ab76417

1

Protein Expression Profiling in WiT49 Cells

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The levels of HOXA11, β-catenin, receptor–related protein 6 (LRP6), phosphorylation-LRP6 (p-LRP6), E-cadherin (E-cad), N-cadherin (N-cad), Vimentin, HIF-1α, C/EBPβ, and β-actin protein expression were assessed in WiT49 cells. The total cellular proteins were isolated with RIPA lysis buffer (#R0278, Sigma), and a standard sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) method was used to separate the proteins [19 ]. Next, the separated protein bands were transferred onto membranes that were subsequently blocked, and then cultured with primary antibodies against HOXA11 (#ab54365; 1:1000), β-catenin (#ab32572; 1:800), LRP6 (#ab134146; 1:1000), p-LRP6 (#ab76417; 1:800), E-cad (#ab6528; 1:800), N-cad (#ab6258; 1:800), Vimentin (#ab92547; 1:800), HIF-1α (#ab51608; 1:1000), C/EBPβ (#ab32358; 1:1000), and β-actin (#ab32572; 1:5000) (Abcam, Cambridge, MA, USA). Next, the membranes were then washed and incubated with HRP conjugated Goat Anti-Rabbit IgG H&L (1: 5000, #ab6721, Abcam). Finally, the immunostained bands were observed using a Tanon 6600 Luminescence imaging workstation (Tanon, China).
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2

Quantifying AML Cell Signaling Proteins

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AML cells (MV4-11 and MOLM-13) were drugged for 24 h, followed by protein extraction using RIPA buffer (Cell Signaling Technology) supplemented with PMSF. Cell pellets were incubated in RIPA buffer with constant agitation for 30 min, followed by sonication. Protein lysate was quantified using Pierce™ BCA Protein Assay Kit (ThermoFischer Scientific). 30 µg of protein was loaded into a Mini-PROTEAN TGX Stain-Free Precast Gel (Bio-Rad) and ran at 120 V for 1–2 h. Blots were developed using a ChemiDoc Chemiluminescence Imaging System (Bio-Rad) or by the Odyssey CLX Fluorescence Imaging System (Li-COR). Antibodies used in the presented studies purchased from Cell Signaling Technology included total β-catenin (#8480S), phosphorylated β-catenin (#9561S), non-phosphorylated β-catenin (cat#8814S), and β-actin (#3700S). Antibodies purchased from Abcam include LRP6 (ab134146) and phosphorlated-LRP6 (ab76417).
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3

Protein Expression Analysis in WiT49 Cells

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The protein expression levels of HOXA11, β-catenin, receptor-related protein 6 (LRP6), Phosphorylation-LRP6 (p-LRP6), E-cadherin (E-cad), N-cadherin (N-cad), Vimentin, HIF-1α, C/EBPβ, and β-actin were assessed in WiT49 cells. The proteins were isolated by RIPA lysis buffer (#R0278, Sigma). Standard sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) method was used to separate the proteins [20] . Then, the gels were transferred, blocked, and cultured with primary antibodies against HOXA11 (#ab54365; 1:1000), β-catenin (#ab32572; 1:800), LRP6 (#ab134146; 1:1000), p-LRP6 (#ab76417; 1:800), E-cad (#ab6528; 1:800), N-cad (#ab6258; 1:800), Vimentin (#ab92547; 1:800), HIF-1α (#ab51608; 1:1000), C/EBPβ (#ab32358; 1:1000), and β-actin (#ab32572; 1:5000) bought from Abcam (Cambridge, MA, USA). The membranes were washed and incubated with the HRP conjugated Goat Anti-Rabbit IgG H&L (1: 5000, #ab6721, Abcam). Finally, the bands were observed under a Tanon 6600 Luminescence imaging workstation (Tanon, China). Bioinformatics analysis PROMO (http://alggen.lsi.upc.es/cgi-bin/promo_v3/promo/promoinit.cgi?dirDB=TF_8.3) and JASPAR(http://jaspar.genereg.net/) databases were used for the transcription factor prediction of HOXA11-AS with the threshold.
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