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4 protocols using zcl278

1

Investigating EMT Regulators and Signaling

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The primary antibodies were rabbit anti-GEFT (Abcam, ab127690), rabbit anti-Snail (Abcam, ab229701), mouse anti-Slug (Abcam, ab51772), mouse anti-Twist (Abcam, ab175430), rabbit anti-Rac1 (Abcam, ab33186), mouse anti-E-cadherin (CST, #14472), rabbit anti-N-cadherin (CST, #13116), rabbit anti-PAK1 (Abcam, ab223849), Cdc42 (Abcam, ab187643), rabbit anti-RhoA (Abcam, ab187027), mouse anti-Zeb1 (Santa Cruz, sc-81428), mouse anti-Zeb2 (Santa Cruz, sc-271984), and mouse anti-β-actin (ZSGB-BIO, China). The secondary antibody was peroxidase-conjugated goat anti-mouse/rabbit IgG (ZB-2305). Cdc42 Activation Assay Biochem Kit™ (cytoskeleton, Cat. # BK034), Rac1 Activation Assay Biochem Kit™ (cytoskeleton, Cat. # BK035) and Rho A Activation Assay Biochem Kit™ (cytoskeleton, Cat. # BK036) were used for analysis of Cdc42, Rac1 and Rho A activation. NSC23766 (Selleck, S8031), ZCL278 (Selleck, S7293), and IPA-3 (Selleck, S7093) inhibitors were acquired commercially.
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2

Cdc42 Protein Synthesis and Purification

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ZCL278 was purchased from Selleck Chemicals (Houston, TX, USA). Human recombinant Cdc42 protein was purchased from Abcam (Cambridge, MA, USA).
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3

Culturing Human Melanoma Cell Lines

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Human melanoma cell lines (A375P, A375SM) were obtained from the Korean Cell Line Bank (KCLB, Seoul, Korea). The A375P cell was maintained in DMEM supplemented with 10% (v/v) fetal bovine serum (FBS), 1% (v/v) L-glutamine and penicillin–streptomycin. A375SM was maintained in MEM supplemented with 10% (v/v) FBS and 1% (v/v) L-glutamine and penicillin–streptomycin. All cells were cultured in a 37 °C, 5% CO2 humidified incubator. NecroX-5 (Enzo Life Sciences, Farmingdale, NY, USA), ZCL278, NSC23766, and CCG-1423 (Selleck Chemicals, Houston, TX, USA) were dissolved in dimethyl sulfoxide (DMSO) for each condition and dose. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and DMSO were purchased from Sigma–Aldrich (St. Louis, MO, USA).
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4

CDC42 Regulation in Mouse Ovary Culture

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Neonatal females were sacrificed by cervical dislocation on the designated time. Mouse ovaries were separated by microdissection in cold phosphate buffered saline (PBS) under a stereomicroscope (ZSA302, COIC, China) in sterile conditions. The isolated ovaries were cultured on an insert (PICM0RG50, Millipore, USA) in 6-well culture dishes (NEST, China) in 1200 μL Dulbecco’s modified Eagle’s medium/Ham’s F12 nutrient mixture (DMEM/F12) (GIBCO, Life Technologies, USA) plus ITS (1:100, Sigma, USA) and Penicillin-Streptomycin Solution at 37 °C, 5% CO2 and saturated humidity. Ovaries were cultured for 2 or 5 days to assess the role of CDC42, in either medium alone or medium supplemented with ML141 (5uM, Selleck, China) or ZCL278 (50uM, Selleck, China). ML141 is a selective reversible CDC42 inhibitor. ZCL278 is a selective CDC42 inhibitor.
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