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3 protocols using ab75846

1

Western Blotting of TRIB3, HIF-1α, and HIF-2α

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Total protein was extracted, quantified, and loaded onto precast PAGE gels (#KGMG010W10, KeyGEN, Jiangsu, Nanjing). After electrophoresis, proteins were transferred to nitrocellulose membranes and incubated with primary antibodies at 4°C overnight (anti-TRIB3, recombinant rabbit monoclonal, 1:7000 dilution, #ab75846, Abcam; anti-HIF-1α, mouse monoclonal, 1:1000 dilution, #NB100-105, Novus, Littleton, CO, USA; anti-HIF-2α, rabbit polyclonal, 1:1000 dilution, #NB100-122SS, Novus; β-tubulin, Rabbit monoclonal, 1:1000 dilution, #2128, Cell Signaling Technology, Danvers, MA, USA). The secondary antibody (ProteinFind Goat Anti-Rabbit/Mouse IgG(H+L), HRP conjugate, 1:1000 dilution, #HS201, TransGen, Beijing, China) was subsequently added, and immune activity was detected by chemiluminescence.
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2

Immunoblotting of Cell Cycle and Stress Regulators

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Immunoblotting was carried out as previously described [48 (link)]. Commercially available antibodies used were as follws: anti-p21 (sc-6246; Santa Cruz Biotechnology, Santa Cruz, CA, USA), anti-p27 (610241; BD Biosciences, Franklin Lakes, NJ, USA), anti-cyclin A (611268; BD Biosciences), anti-cyclin D1 (556470; BD Biosciences), anti-ATF4 (11815; Cell Signaling Technology, Beverly, MA, USA), anti-PERK (5683; Cell Signaling Technology), anti-GCN2 (3302; Cell Signaling Technology), anti-TRB3 (ab75846; Abcam, Cambridge, UK), anti-phospho-GCN2 (T899) (ab75836; Abcam), anti-phospho-PKR (T451) (07-886; Sigma) anti-β-actin (A5441; Sigma), and anti-PKR (MAB1980; R&D Systems, Minneapolis, MN, USA).
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3

Protein Expression Analysis by Western Blot

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Western blotting was performed to examine the protein level of targeted signaling molecule. The protein lysates from A549 and PC-9 cells were separated by SDS-PAGE and then transferred to polyvinylidene fluoride (PVDF) membranes (Millipore, MA, USA). The membrane was incubated with the primary antibodies against to anti-p-FAK (ab81298, 1:1000, Abcam, Cambridge, UK), anti-t-FAK (ab40794, 1:1000, Abcam, Cambridge, UK), anti-p-AKT (ab38449, 1:1000, Abcam, Cambridge, UK), anti-t-AKT (ab8805, 1:1000, Abcam, Cambridge, UK), anti-FOXO1 (ab179450, 1:1000, Abcam, Cambridge, UK), anti-SOX2 (ab92494, 1:1000, Abcam, Cambridge, UK), anti-TRIB3 (ab75846, 1:1000, Abcam, Cambridge, UK) and anti-β-actin (ab8226, 1:1000, Abcam, Cambridge, UK), followed by incubation with an HRP-conjugated secondary antibody (1:1000, Abcam, Cambridge, UK).
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