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12 protocols using gsk690693

1

Evaluating CXCL16/CXCR6 Expression in ESCs, DSCs, and Trophoblast Cells

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To evaluate the expression of CXCL16/CXCR6 in ESCs, DSCs or trophoblast cells, ESCs and DSCs were seeded into 24-well plates (2 × 105 cells/well) and incubated in DMEM/F-12 medium containing 10% v/v FBS; trophoblast cells were in DMEM medium (Hyclone) containing 20% v/v FBS. The medium was changed every 3 days. The cells (1, 3, 6 and 9 days) were collected for flow cytometry. The culture supernatants (1, 3, 6, and 9 days) were also collected and centrifuged to remove cellular debris and stored at −80°C for IGFBP-1 and PRL measurements.
In addition, to clarify the effect of CXCL16 on ESCs decidualization, decidualised ESCs (ESCs incubated with cAMP plus MPA for 6 days) were then treated with 100 ng/mL recombinant human CXCL16 (rhCXCL16; Cell Signaling Technology), or 5 µg/mL CXCL16 antagonist (anti-CXCL16; Cell Signaling Technology) or the culture supernatants of trophoblast cells, or with culture media of trophoblast (high-glucose DMEM containing 20% v/v FBS), or with vehicle (0.1% v/v dimethyl sulfoxide; Sigma) as control for 3 days. Additionally, the PI3K-AKT signalling pathway inhibitor 10 µM GSK 690693 (Sigma) was added in the past 24 h.
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2

Investigating PDGF-BB Signaling Pathways

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All pharmacological compounds were prepared as aqueous or dimethyl sulfoxide stock solutions of >1,000 times the concentration used during the experiment. Recombinant mouse PDGF-BB was purchased from BioLegend (San Diego, CA, USA). AG1296, AG1295, GSK690693, and forskolin were purchased from Sigma (St. Louis, MO, USA). Rp-8-CPT-cAMPs and SQ22536 were purchased from BIOLOG Life Science Institute (La Jolla, CA, USA).
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3

FOXO3a Relocalisation Assay

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Leptomycin B was purchased from NEB. PI-103 and BEZ235 were purchased from Selleckchem. GSK690693 was purchased from Sigma. GSK2334470 was purchased from Stratech Scientific Ltd. LY294002 was purchased from Merck Millipore. All compounds were resuspended in DMSO with the exception of Leptomycin B which was supplied as a solution in ethanol. Compounds were serially diluted in medium using a 2-fold dilution series, DMSO was kept constant with a maximum final concentration of 0.2%. Cells were plated in 96-well plates and treated the following day in triplicate with diluted compounds for 3 hr. After 3 hr, cells were fixed and stained according to the FOXO3a Relocalisation Assay protocol.
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4

CX3CL1 and IL-6 Signaling Pathway Modulators

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Recombinant human CX3CL1 was obtained from Peprotech. Recombinant human IL-6 protein was obtained from R&D systems. Acriflavine (HIF-1 inhibitor), KN-93 (CaMKII inhibitor), GSK690693 (pan-Akt inhibitor), BAY 11-7082 (NF-κB signaling inhibitor), U73122 hydrate (pan-PLC inhibitor), Stattic (STAT3 inhibitor), LY-294002 hydrochloride (PI3K inhibitor), Sodium oxamate (LDHA inhibitor), pertussis toxin (PTx,Gαi/0 inhibitor), H-89 (PKA/ROCK inhibitor), Y-27632 (ROCK inhibitor) and CoCl2 were all obtained from Sigma-Aldrich. Rapamycin (mTORC1 inhibitor) was purchased from Cayman Chemical. 17-AAG (HSP90 inhibitor) and P6 (pan-JAK inhibitor), Bisindolylmaleimide I (PKC inhibitor) were purchased from Calbiochem. The Gαq-inhibitor UBO-QIC was purchased from the Institute of Pharmaceutical Biology, University of Bonn. Gallein (βγ-subunit inhibitor) was obtained from Tocris.
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5

Inhibition of Pancreatic Cancer Cell Lines

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The mouse pancreatic cancer cell lines PanIN and IPMN were cultured in Roswell Park Memorial Institute (RPMI)-1640 medium (Nacalai, Japan) supplemented with 10% heat-inactivated fetal bovine serum (HyClone, USA) and 100 IU penicillin–streptomycin/ml (Nacalai, Japan). The Akt inhibitor GSK690693 (Sigma, USA) and gemcitabine (Tokyo Chemical Industry Co., Japan) were added to the cultures on the second day after seeding. Briefly, the cells were cultured with a fixed concentration of GSK690693 or AZD4547 for the next 4 days.
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6

Molecular Mechanisms of 20(S)-GRh2 in Cancer

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20(S)-GRh2, with a purity of 99.48%, was obtained from Beijing North Carolina Chuanglian Biological Technology Research Institute (Beijing, China). Working stock solutions of 20(S)-GRh2 were prepared by dissolving compounds in dimethyl sulfoxide (DMSO; Sigma-Aldrich, Milan, Italy) before use. The final density of DMSO was < 0.1%. LY294002 (PI3K inhibitor), GSK690693 (Akt inhibitor), and Rapamycin (mTOR inhibitor) were obtained from Sigma (St. Louis, MO, USA).
The primary antibodies against cytochrome c, cleaved caspase-3, Beclin-1, Atg5, cyclin B1, and cyclin D1 and the secondary antibodies were obtained from Cell Signaling Technology (Danvers, MA, USA). β-Actin, Bax, Bal-2, LC3, p-P70S6K, and p-4EBP1 were purchased from the Abcam company (Cambridge, MA, USA). PI3K (p85), Akt, p-Akt (Ser473), mTOR, and p-mTOR (Ser2448) were derived from Santa Cruz Biotechnology (Santa Cruz, CA, USA). The primary antibody against human CD3 was purchased from eBioscience (San Diego, CA, USA).
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7

Cell Culture and Pharmacological Inhibition

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5637, BIU87, T24 and EJ cells were obtained from the American Type Culture Collection (Manassas, VA, USA) and cultured at 37 °C in 5% CO2 in DMEM-F12 (1:1) media (Invitrogen Life Technologies, Carlsbad, CA, USA) supplemented with 1% penicillin (100 U/ml, Invitrogen Life Technologies), 1% streptomycin (100 μg/ml, Invitrogen Life Technologies), L-glutamine (292 μg/ml, Invitrogen Life Technologies) and 10% fetal bovine serum (HyClone Laboratories, Logan, UT, USA). GSK690693 (Sigma-Aldrich, St. Louis, MO, USA; 5 μM) or MK-2206 (Selleckchem, Houston, TX, USA; 5 μM) was added to the media at the indicated times. For transient gene transfection of cells, Lipofectamine 2000 (Invitrogen Life Technologies) was used.
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8

Hedgehog Signaling Modulator Assay

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Smoothened agonist SAG was purchased from Calbiochem. SANT (SANT-1); KU-0063794, GSK-690693, PF-4708671 and MG132 were from Sigma and AZ191 was from SelleckChem. Cycloheximide was purchased from Biomol.
The monoclonal Hedgehog neutralizing antibody (5E1, supernatant), developed/deposited by T.M. Jessell/S. Brenner-Morton was obtained from the Developmental Studies Hybridoma Bank, created by the NICHD of the NIH and maintained at The University of Iowa, Department of Biology, Iowa City, IA 52242.
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9

Small Molecule Inhibitor Protocol

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Dasatinib, Torin 1, and rapamycin were obtained from LC Laboratories (Boston, MA). PP242 and RAD001 were obtained from Selleckchem (Houston, TX). PP2, U0126, and GSK 690693 were obtained from Sigma-Aldrich (St. Louis, MO). GSK 650394 was obtained from Santa Cruz Biotechnology, Inc. (Santa Cruz, CA). LY294002 was obtained from Cell Signaling (Danvers, MA). CGP 57380 was obtained from Abcam (Cambridge, MA).
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10

Regulatory Signaling Pathway Modulation

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K1-plasmid YAP1 cells were grown as described above until they became 40% confluent. Then, the media were replaced with RPMI1640 containing vehicle (0.1% (v/v) dimethyl sulphoxide), U0126 (10 μM) (Promega, Madison, WI) or GSK690693 (10 μM) (Sigma Chemical Co., St. Louis, MO). Samples were collected at different time intervals as indicated for each experiment.
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