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2 protocols using anti py118 paxillin

1

Purification of Recombinant Protein Tyrosine Phosphatases

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Recombinant proteins corresponding to the entire intracellular regions (ICRs) of PTPRZ1, PTPRA, and PTPRM were expressed using a baculovirus-silkworm expression system, and purified as described6 (link). The ICRs of PTPRG, PTPRS, and PTPRB and the catalytic domains of PTPN1 and PTPN6 were expressed as glutathione-S-transferase (GST) fusion proteins from each pGEX plasmid in Escherichia coli strain BL21 (ref. 6 (link)). GST fusion proteins were purified by glutathione affinity chromatography as described43 (link). Chondroitinase ABC (chABC) was purchased from Sigma-Aldrich (catalog #C3667). Anti-PTPRZ-S, rabbit polyclonal antibodies against the extracellular region of PTPRZ was described previously (ref. 44 (link)). The following are the specificities and sources of the commercially available antibodies used in the present study: Anti-RPTPβ (a monoclonal antibody against the intracellular domain of PTPRZ1 receptors, #610179, BD Biosciences), anti-SOX2 (#ab97959, Abcam), anti-POU3F2 (#12137, Cell Signaling), anti-OLIG2 (#AB9610, Millipore), anti-SALL2 (#12679–1-AP, Proteintech Group), anti-GAPDH (#ab9482, Abcam) anti-phosphotyrosine (PY20; #ab16389, Abcam), and anti-pY118-paxillin (#2541, Cell Signaling), mouse anti-paxillin antibody (#610569, BD Bioscience), anti-MBP (#sc-13914, Santa Cruz Biotechnology), and anti-NG2 proteoglycan (#AB5320, Millipore).
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2

Norepinephrine and Beta-Blocker Signaling Pathway

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Norepinephrine (A7257), propranolol (P0884), and atenolol (A7655) were purchased from Sigma-Aldrich (St. Louis, MO, USA). Isoproterenol (1129810) from Aladdin (Shanghai, China), ICI118 551 (S8114), forskolin (S2449), PF-562 271 (S2890, formula: C21H20F3N7O3S) from Selleckchem (Houston, TX, USA). H-89 (S1644) from Beyotime (Nantong, Jiangsu, China).
Anti-neurofilament light (NF-L) (AB9568) was purchased from Millipore (Germany); anti-pY397FAK (ab81298), anti-α-SMA (ab5694), anti-pY118Paxillin (ab75740) from Abcam (Cambridge, MA, USA); FAK antibody sampler kit (#9330), anti-pY118Paxillin (#2541), anti-Paxillin (#2542), anti-ERK (#4695), anti-p42/44ERK (#4370), anti-MMP2 (#40994), anti-MMP9 (#13667) from Cell Signaling Technology (Beverly, MA, USA); Alexa Fluor 633 conjugated phalloidin (A22284), goat anti-rabbit IgG (H + L) secondary antibody (Alexa Fluor 488 conjugate; R37116) from Thermo Fisher (USA).
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