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Gsk3β

Manufactured by Bioworld Technology
Sourced in United States

GSK3β is a protein kinase enzyme that plays a key role in regulating cellular processes such as metabolism, cell structure, and cell survival. It is an essential component of various signaling pathways and is involved in the phosphorylation of a wide range of substrates. GSK3β is commonly used in research to study its function and its implications in various biological and medical applications.

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6 protocols using gsk3β

1

Western Blot Analysis of Insulin Signaling

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Antibodies against PI3K-p85, AKT, p-AKT (Ser473), IRS2, phosphorylated glycogen synthase kinase-3β (p-GSK3β) (Ser9), phosphorylated forkhead box O1 (p-FOXO1) (Ser256), AMPKα, p-AMPKα (Thr172) and liver kinase B1 (LKB1) were all purchased from Cell Signaling Technology (Danvers, MA, USA). Anti-SIRT1 and anti-EPOR antibodies were obtained from Santa Cruz Biotechnology (Dallas, Texas, USA). Antibodies against PPARγ, GSK3β, FOXO1 and β-actin were obtained from Bioworld Technology (St. Louis Park, MN, USA). The anti-p-IRS2 (Ser731) antibody was from AnaSpec (Fremont, CA, USA).
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2

Erlotinib Signaling Pathway Analysis

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Erlotinib was purchased from LC Laboratories, dissolved in DMSO and stored at −20°C. Lipofectamine 2000 transfection reagent was purchased from Life Technologies Co., Invitrogen. Rabbit polyclonal antibodies against p-p70S6K (Thr389) (70 kDa), p-GSK3β (Ser9) (46 kDa), p70S6K (85 and 70 kDa), mTOR (289 kDa), and rabbit monoclonal antibodies against p-S6 (Ser235/236) and S6 (32 kDa) were purchased from Cell Signaling Technology, Inc. Mouse monoclonal antibodies against vimentin (57 kDa) and actin (43 kDa) were purchased from Santa Cruz Biotechnology Inc. E-cadherin (130 kDa), N-cadherin (140 kDa), GSK3β (47 kDa), and GAPDH (36 kDa) antibodies were purchased from Bioworld Technology Inc. β-catenin antibody (92 kDa) was purchased from BD Transduction Laboratories. Rabbit polyclonal raptor antibody (149 kDa) was purchased from Bethyl Laboratories.
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3

Osteoclastogenesis Signaling Pathway

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Human RANKL and M-CSF were obtained from Peprotech EC Ltd. (London, UK). Akt, phospho-Akt, p38, phospho-p38, JNK, phospho-JNK, ERK, phospho-ERK, IκB, and phospho-IκB were purchased from Cell Signaling Technology Inc. (Beverly, MA, USA). GSK3β, phospho-GSK3β, and Runx2 antibodies were purchased from Bioworld Technology Inc. (St. Louis. Park, MN, USA). NFATc1, c-Fos, phospho-Smad, Smad, and β-actin antibodies were obtained from Santa Cruz Biotechnology (Santa Cruz, CA, USA).
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4

Western Blot Analysis of BDNF Signaling

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At the end of experiment, all rats were sacrificed with 10% chloral hydrate solution (3.5 ml/kg; i.p.). Hippocampus and prefrontal cortex tissues were collected and lysed with radioimmunoprecipitation assay buffer (Applygen Technologies, Inc., Beijing, China), schizolysised for 20 min on ice and centrifuged at 12,000 × g for 10 min at 4°C. Protein samples were heated at 95°C for 8 min, separated by 12% SDS-PAGE and transferred to nitrocellulose membranes. Membrane were blocked for 2 h in TBST (25 mM Tris, 140 mM NaCl, 27 mM KCl and 0.02% Tween 20) containing 5% bovine serum albumin and incubated with primary antibodies specific for BDNF (ab108319, 1:200)(Abcam, Cambridge, MA, USA), TrkB (BS1431, 1:500), ERK (AP0491, 1:500), pERK (BS4621, 1:500), Akt (BS1502, 1:500), PI3K (BS3678, 1:500), pGSK3β (BS4084, 1:500) and GSK3β (BS1402, 1:500; Bioworld Technology, Inc., St. Louis Park, MN, USA), pCREB (#9198, 1:1,000) and CREB (#9197, 1:1,000; Cell Signaling Technology, Inc., Danvers, MA, USA) at 4°C over night. Following three washes with TBST, membranes were incubated for 1 h at room temperature with horseradish peroxidase-labeled secondary antibodies (BS13278, 1:5,000; Bioworld Technology, Inc.), washed with TBST three times. Blots were developed using a electrochemiluminescence system (UVP LLC, Upland, CA, USA).
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5

Investigating ILK-Mediated Signaling Pathways

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EJ cells, HEK 293 cells, pcDNA3.1(−)-myc-RI, pGEX-4 T-RI and pEGFP-C1-RI plasmids were conserved and prepared by our laboratory. pGEX-4 T-1 was bought from GE Healthcare China. pEYFP-N1vector was from Clontech. pCMV-3xflag-CMVTM-10 was purchased from Sigma. BALB/C nude (nu/nu) mice were obtained from Beijing HFK Bioscience Company (Beijing, PR China). FBS was from TBD Science (Tianjin, PR, China). DMEM/High glucose medium, RPMI 1640 medium and G418 were purchased from Gibco-BRL (Carlsbad, CA, USA). Lipofectamine 2000 was bought from Invitrogen, Inc., (Carlsbad, California). Monoclonal mouse antibody of anti-human ILK was purchased from Santa Cruz Biotechnology (Santa Cruz, CA, USA). Rabbit anti-human β-actin, CD31 antibody, Monoclonal primary rabbit antibody of anti-human PI3K, p-PI3K, PTEN, p- PTEN, Akt, p-Akt, GSK3β, p-GSK3β, mTOR, p-mTOR and β-catenin were obtained from Bioworld Technology, Inc. (St. Louis, USA). The rest of the primary antibodies are from Proteintech Group, Inc (Chicago, IL, USA). Cell Counting Kit-8 was bought from Genview Scientific, Inc (Craigieburn, VIC, AUS).
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6

Wnt Signaling Pathway Protein Analysis

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Aβ (polyclonal, 1:200; Santa Cruz Biotechnology, USA), T-tau (polyclonal, 1:1000; Santa Cruz Biotechnology, USA), PS205 (polyclonal, 1:1000; Bioworld Technology, China), PS396 (polyclonal, 1:1000; Santa Cruz Biotechnology, USA), and PS231 (polyclonal, 1:1000; Bioworld Technology, China) are specific to tau phosphorylated at the residues indicated. GSK-3β (polyclonal, 1:1000; Bioworld Technology, China), GSK-3β Ser9 (link) (polyclonal, 1:1000; Bioworld Technology, China), Dvl (polyclonal, 1:100; Santa Cruz Biotechnology, USA), β-catenin (polyclonal, 1:1000; Boster Technology, USA), β-catenin (S33/37, polyclonal, 1:1000; Boster Technology, USA), Dkk-1 (polyclonal, 1:100; Bioworld Technology), and p53 (polyclonal, 1:100; Santa Cruz Biotechnology, USA) antibodies were used to detect endogenous levels of Wnt. Anti-GAPDH (1:10,000; Bioworld Technology) was used as the internal reference standard. Rabbit anti-p-tau (T231) (polyclonal, 1:25; Bioworld Technology) was used to label p-tau in the immunofluorescence assays.
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