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4 protocols using phospho fak y397

1

Protein expression analysis by Western blot

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Twenty µg of protein lysate were separated by SDS-PAGE. PVDF membranes were blocked by 0.1% TBS-Tween - 5% milk. Primary antibodies were incubated overnight at 4 °C. The antibodies used in western blot were: Galectin-3 (Abcam ab2785), Integrin β1 (Millipore AB1952), Integrin α6 (Abcam ab75737), FAK (Abcam ab40794), phospho-FAK Y397 (Abcam ab81298) Talin1/2 (Abcam ab11188), Calpain-2 (Abcam ab155666), Piezo 1 (Proteintech 15939-1-AP) and GAPDH (Millipore MAB374) as a loading control. Horseradish peroxidase-coupled secondary antibodies (Cell Signalling) were incubated 2 hours at room temperature. The Chemidoc XRS+ imager was used for chemiluminescence detection. Pixel quantifications were done with Image Lab software. Normalization by sum using total protein staining was used.
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2

Autophagy Signaling Pathway Analysis

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Cell Signaling Antibodies used: Atg13 (#6940), Beclin1 (#3495), PARP (#9542), 4E-BP1 (#9452), phospho-ULK1 S757 (#6888), Ulk1 (#8054), p70 S6K (#9202), phospho-S6 S235/236 (#4858), Myc tag (#2278), LC3B (#3868), Vps34 (#4263), phospho-AMPK T172 (#2535), phospho-ACC S79 (#3661), phospho-Paxillin Y118 (#2541), and PathScan Multiplex Western Cocktail I (#5301). Phospho-Vps34 Ser249 antibody was developed in collaboration with Gary Kasof at Cell Signaling Technology. Sigma antibodies used: ULK1 (A7481), β-actin (A5541), and Flag tag polyclonal (F7425). Gabarap antibody from Abgent (PM037). Phospho-FAK Y397 from Abcam (ab4803). FAK from Epitomics (2146-1). p62 SQSTM1 antibody from Progen (03-GPP62-C). Phospho-Beclin1 S15 from Abbiotec (254515). Phospho-Atg13 S318 (human S355) from Rockland (600-401-C49S). EBSS (14155-063) and glucose-free media (11966-025) from Gibco/Life Technologies. Chloroquine (C6628) and bafilomycin A1 (B1793) from Sigma. AZD-8055 (A-1008) from Active Biochem. AnnexinV-PE Apoptosis Detection Kit from BD Biosciences. Phos-tag™ AAL-107 from NARD (#304-93521). Ad5-CMV-Cre was purchased from the University of Iowa viral vector core.
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3

Signaling Pathway Antibody Analysis

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Cell Signaling Technology antibodies used: Wnt5a/b (#2530), Snail (#3879), Slug (#9585), ZEB1 (#3396), LKB1 (#3047), P-ACC S79 (#3661), Total ACC (#4190), Axin2 (#2151), MARK2 (#9118), MARK3 (#9311), AMPKalpha (#2532), P-ULK1 S555 (#5869), Nuak1 (#4458), SIK2 (#6919), GST (#2622), myc-tag (#2272), P-Src family Y416 (#2113), Src (#2109), P-Paxillin Y118 (#2541), Pathscan I for P-ERK1/2 and P-Akt S473 (#5301), Total ERK1/2 (#4695), P-S6K (#9234), HA-tag (#3724), P-MEK1/2 (#9154), P-p90RSK S380 (#11989), P-FAK Y925 (#3284). Epitomics antibodies used: Phospho-FAK Y397 (#2211-1), Phospho-FAK Y576/577 (#2183-1), Total FAK1 (#2146-1), Zyxin (#3586-1). BD Transduction Labs antibodies used: Paxillin (P13520). Sigma antibodies used: Actin (A5441), Flag polyclonal (F7425). Protein Tech antibodies used: MARK1 (21552-1-AP), MARK2 (15492-1-AP). Millipore antibodies used: ZEB2 (ABT332), MARK4 (07-699). Abcam antibodies used Twist (ab50887), IRSp53 (ab15697). CLASP2 antibody was from Santa Cruz Biotechnology (sc-98440). DIXDC1 total antibody was from R&D Systems (AF5599). Phospho-DIXDC1 S592 was developed in collaboration with Antony Wood at Cell Signaling Technologies (CST, Danvers, MA).
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4

Protein Expression Analysis via SDS-PAGE

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An analytical 10% sodium dodecyl sulfate poly acrylamide gel electrophoresis (SDS-PAGE) was performed, and 30 μg of protein was analyzed, unless stated otherwise. For immuno-blotting, proteins in the SDS gels were transferred onto a polyvinylidene difluoride membrane by an electroblot apparatus. Antibodies against ARNT (Cell Signaling Technology, Inc., Danvers, MA, USA), α-tubulin (Sigma Corporation, Cream Ridge, NJ, USA), N-cadherin, β-catenin, E-cadherin, vimentin, fibronectin, integrin β1, and phospho-FAKY397 (Epitomics, Inc., Burlingame, CA, USA), NQO1 (Proteintech Group Inc., W Campbell Park, Chicago, USA), Complex I subunit (NDUFB8), Complex II subunit (SDHB), Complex III subunit (UQCRC2), Complex IV subunit II (COX II), and ATP synthase subunit alpha (ATP5A) as an optimized premixed cocktail (Abcam Inc., Cambridge, UK) were used as the primary antibodies. Mouse or rabbit IgG antibodies coupled to horseradish peroxidase were used as secondary antibodies. An enhanced chemiluminescence kit (Pierce, Rockford, IL) was used for detection.
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