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2 protocols using anti phosphor stat3

1

Signaling Pathways in Metastatic Regulation

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Recombinant (CXCL12) SDF-1α was purchased from Pepro Tech (USA). The CXCR4 antagonist AMD3100, PHA-665752 and Nystatin were obtained from Sigma (St. Louis, MO). Stattic was obtained from Selleck. Anti-CXCR4 antibodies were obtained from ABCAM. Anti–E-cadherin, anti-Vimentin, anti-ZEB1, anti-STAT3, anti–phosphor-STAT3, and antibodies to c-MET and phospho-c-MET (Tyr1234/1235) were purchased from Cell Signaling Technology (Beverly, MA). Anti-Snail and anti-Twist2 were purchased from Abcam (Cambridge, MA). Anti–Cav-1 and anti–phospho-Cav-1-1 (Tyr14) antibodies were obtained from BD Technology Co. (USA). All the other antibodies were purchased from Santa Cruz Biotechnology (USA).
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2

Western Blot Analysis of Lung Tissue

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Lung tissue was lysed by using RIPA buffer (Thermo Fisher Scientific). Equal amounts of proteins were separated by 10% sodium dodecyl sulphate‐polyacrylamide gel electrophoresis and transferred to polyvinylidene fluoride membranes (Bio‐Rad Laboratories). The membrane was blocked with 5% bovine serum albumin (Sigma‐Aldrich) for 90 min at room temperature and incubated with a primary antibody for 14 h at 4℃. The primary antibodies included anti–PPAR‐γ (Abcam), anti‐TGF‐β1 (ProteinTech), anti‐phosphor‐Smad3 (Cell Signaling Technology), anti‐Smad3 (Cell Signaling Technology), anti‐phosphor‐Stat6 (Cell Signaling Technology), anti‐Stat6 (Santa Cruz Biotechnology), anti‐phosphor‐Stat3 (Cell Signaling Technology), anti‐Stat3 (Santa Cruz Biotechnology), anti‐β‐tubulin (ProteinTech), anti‐NFκB P65 (Abcam), anti‐IκBα (Abcam), anti‐IL‐1β (Abcam), anti‐phosphor‐NFκB P65 (Cell Signaling Technology), anti‐phosphor‐IκBα (Cell Signaling Technology) and anti‐GAPDH (Abcam). And then, membranes were incubated with anti‐rabbit/mouse IgG (H+L) (Abcam) for 1 h at room temperature. Chemiluminescence measurement was performed by using Amersham Imager 680 (GE Healthcare Life Science).
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