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2 protocols using k8 18 20r cp004

1

Immunofluorescence Analysis of Cellular Adhesions

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Cells were cultured on various substrates overnight and then fixed with 4% paraformaldehyde (PFA; 2D: 20 min, room temperature; 3D: overnight, 4°C) and stained as described (Levental et al., 2009 (link)). Primary antibodies against paxillin (5H11, Millipore; 610620, BD; P1093, Sigma-Aldrich; 32084, Abcam), phospho–paxillin-tyrosine 118 (44-722G, Life Technologies; 2541, Cell Signaling), phospho–paxillin-tyrosine 31 (44-720F, Life Technologies), vinculin (hVIN-1, Sigma-Aldrich; 700062, Invitrogen; V284, Santa Cruz Biotechnology), phospho–FAK-tyrosine 397 (44-625G, Invitrogen), vimentin (D21H3, Cell Signaling), β-catenin (8480, Cell Signaling), K14 (PRB-115P, Covance), K8+18 (20R-CP004, Fitzgerald Industries), PINCH (EP1944, Abcam), ILK (611803, BD), and Alexa Fluor–phalloidin (Invitrogen) were used. Secondary antibodies used include Alexa Fluor goat anti-mouse, anti-rabbit, and anti-rat (488, 568, and 633 conjugates). For ILK immunofluorescence (IF), cells were fixed in 100% ice-cold methanol.
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2

Comprehensive Stemness and EMT Marker Profiling

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COMMD1 (NBP2-4633, Novusbio), ZEB1 (NBP2-13159, Novusbio), Sox2 (ab97959, Abcam), KLF4 (ab151733, Abcam), Oct-4 (2750, Cell Signaling), MYC (5605, Cell Signaling), NANOG (D73G4)(4903, Cell Signaling), K8/18 (20R-Cp004, Fitzgerald Industries), P53 (SC-126, Santa Cruz Biotechnology), Phospho-NFκB p65 (Ser536) (93H1)(3033, Cell Signaling), HIF1A(610959, BD), HIF2A(NB100-122, Novusbio), MCT4(sc-50329, scbt), CAV1(610407, BD), B-actin (A5441, Sigma), tubulin (T4026, Sigma), FITC-conjugated anti-CD24, PE-conjugated anti-CD24, APC-conjugated anti-CD44, APC-conjugated anti-PD-L1 (BD Biosciences).
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