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secin h3  (Tocris)


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    Tocris secin h3
    Activation of ARF6 by its guanine nucleotide exchange factor (ARNO) regulates angiogenic processes in endothelial cells induced by nicotine-free eVape. (a, b) HUVECs were exposed to 2% nicotine-free eVape fluid for 24 h, and the cell lysates were analysed by Western blotting for (a) ARF6 or (b) ARNO expression. The Western blotting membranes (representative blots are shown in (i) ) were quantified and normalised to the actin expression shown in (ii) . (c–f) HUVECs were treated with ARF6 inhibitor (NAV2729; 5 µM), ARNO inhibitor <t>(Secin</t> <t>H3;</t> 10 µM), or dimethyl sulfoxide (DMSO) as vehicle control at the same time as eVape exposure. (c) ROS accumulation was assessed by DCFDA incorporation (fluorescence at 485/535 nm) following 2 h of treatment. (d) Cell adhesion, (e) migration, and (f) angiogenic potential were measured following (d, e) 6 h and (f) 24 h of treatments. (g) Protein expression of (i) angiopoietin-2, (ii) EGF, (iii) endoglin, (iv) PIGF, (v) prolactin, and (vi) VEGF were measured using specific ELISA arrays following 24 h of treatment with 2% nicotine-free eVape fluid in the presence (closed circles) and absence (open circles) of Secin H3 (10 µM). The data are presented as mean ± SEM, n = 5–6. * p < 0.05 versus vehicle for eVape (0%); # p < 0.05 versus vehicle for NAV2729 and Secin H3 (DMSO).
    Secin H3, supplied by Tocris, used in various techniques. Bioz Stars score: 93/100, based on 30 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/secin h3/product/Tocris
    Average 93 stars, based on 30 article reviews
    secin h3 - by Bioz Stars, 2026-05
    93/100 stars

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    1) Product Images from "Nicotine-free electronic vape fluid stimulates angiogenic processes in vitro through ARF6-mediated oxidative stress"

    Article Title: Nicotine-free electronic vape fluid stimulates angiogenic processes in vitro through ARF6-mediated oxidative stress

    Journal: Frontiers in Toxicology

    doi: 10.3389/ftox.2025.1699112

    Activation of ARF6 by its guanine nucleotide exchange factor (ARNO) regulates angiogenic processes in endothelial cells induced by nicotine-free eVape. (a, b) HUVECs were exposed to 2% nicotine-free eVape fluid for 24 h, and the cell lysates were analysed by Western blotting for (a) ARF6 or (b) ARNO expression. The Western blotting membranes (representative blots are shown in (i) ) were quantified and normalised to the actin expression shown in (ii) . (c–f) HUVECs were treated with ARF6 inhibitor (NAV2729; 5 µM), ARNO inhibitor (Secin H3; 10 µM), or dimethyl sulfoxide (DMSO) as vehicle control at the same time as eVape exposure. (c) ROS accumulation was assessed by DCFDA incorporation (fluorescence at 485/535 nm) following 2 h of treatment. (d) Cell adhesion, (e) migration, and (f) angiogenic potential were measured following (d, e) 6 h and (f) 24 h of treatments. (g) Protein expression of (i) angiopoietin-2, (ii) EGF, (iii) endoglin, (iv) PIGF, (v) prolactin, and (vi) VEGF were measured using specific ELISA arrays following 24 h of treatment with 2% nicotine-free eVape fluid in the presence (closed circles) and absence (open circles) of Secin H3 (10 µM). The data are presented as mean ± SEM, n = 5–6. * p < 0.05 versus vehicle for eVape (0%); # p < 0.05 versus vehicle for NAV2729 and Secin H3 (DMSO).
    Figure Legend Snippet: Activation of ARF6 by its guanine nucleotide exchange factor (ARNO) regulates angiogenic processes in endothelial cells induced by nicotine-free eVape. (a, b) HUVECs were exposed to 2% nicotine-free eVape fluid for 24 h, and the cell lysates were analysed by Western blotting for (a) ARF6 or (b) ARNO expression. The Western blotting membranes (representative blots are shown in (i) ) were quantified and normalised to the actin expression shown in (ii) . (c–f) HUVECs were treated with ARF6 inhibitor (NAV2729; 5 µM), ARNO inhibitor (Secin H3; 10 µM), or dimethyl sulfoxide (DMSO) as vehicle control at the same time as eVape exposure. (c) ROS accumulation was assessed by DCFDA incorporation (fluorescence at 485/535 nm) following 2 h of treatment. (d) Cell adhesion, (e) migration, and (f) angiogenic potential were measured following (d, e) 6 h and (f) 24 h of treatments. (g) Protein expression of (i) angiopoietin-2, (ii) EGF, (iii) endoglin, (iv) PIGF, (v) prolactin, and (vi) VEGF were measured using specific ELISA arrays following 24 h of treatment with 2% nicotine-free eVape fluid in the presence (closed circles) and absence (open circles) of Secin H3 (10 µM). The data are presented as mean ± SEM, n = 5–6. * p < 0.05 versus vehicle for eVape (0%); # p < 0.05 versus vehicle for NAV2729 and Secin H3 (DMSO).

    Techniques Used: Activation Assay, Western Blot, Expressing, Control, Fluorescence, Migration, Enzyme-linked Immunosorbent Assay



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    Activation of ARF6 by its guanine nucleotide exchange factor (ARNO) regulates angiogenic processes in endothelial cells induced by nicotine-free eVape. (a, b) HUVECs were exposed to 2% nicotine-free eVape fluid for 24 h, and the cell lysates were analysed by Western blotting for (a) ARF6 or (b) ARNO expression. The Western blotting membranes (representative blots are shown in (i) ) were quantified and normalised to the actin expression shown in (ii) . (c–f) HUVECs were treated with ARF6 inhibitor (NAV2729; 5 µM), ARNO inhibitor <t>(Secin</t> <t>H3;</t> 10 µM), or dimethyl sulfoxide (DMSO) as vehicle control at the same time as eVape exposure. (c) ROS accumulation was assessed by DCFDA incorporation (fluorescence at 485/535 nm) following 2 h of treatment. (d) Cell adhesion, (e) migration, and (f) angiogenic potential were measured following (d, e) 6 h and (f) 24 h of treatments. (g) Protein expression of (i) angiopoietin-2, (ii) EGF, (iii) endoglin, (iv) PIGF, (v) prolactin, and (vi) VEGF were measured using specific ELISA arrays following 24 h of treatment with 2% nicotine-free eVape fluid in the presence (closed circles) and absence (open circles) of Secin H3 (10 µM). The data are presented as mean ± SEM, n = 5–6. * p < 0.05 versus vehicle for eVape (0%); # p < 0.05 versus vehicle for NAV2729 and Secin H3 (DMSO).
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    Activation of ARF6 by its guanine nucleotide exchange factor (ARNO) regulates angiogenic processes in endothelial cells induced by nicotine-free eVape. (a, b) HUVECs were exposed to 2% nicotine-free eVape fluid for 24 h, and the cell lysates were analysed by Western blotting for (a) ARF6 or (b) ARNO expression. The Western blotting membranes (representative blots are shown in (i) ) were quantified and normalised to the actin expression shown in (ii) . (c–f) HUVECs were treated with ARF6 inhibitor (NAV2729; 5 µM), ARNO inhibitor (Secin H3; 10 µM), or dimethyl sulfoxide (DMSO) as vehicle control at the same time as eVape exposure. (c) ROS accumulation was assessed by DCFDA incorporation (fluorescence at 485/535 nm) following 2 h of treatment. (d) Cell adhesion, (e) migration, and (f) angiogenic potential were measured following (d, e) 6 h and (f) 24 h of treatments. (g) Protein expression of (i) angiopoietin-2, (ii) EGF, (iii) endoglin, (iv) PIGF, (v) prolactin, and (vi) VEGF were measured using specific ELISA arrays following 24 h of treatment with 2% nicotine-free eVape fluid in the presence (closed circles) and absence (open circles) of Secin H3 (10 µM). The data are presented as mean ± SEM, n = 5–6. * p < 0.05 versus vehicle for eVape (0%); # p < 0.05 versus vehicle for NAV2729 and Secin H3 (DMSO).

    Journal: Frontiers in Toxicology

    Article Title: Nicotine-free electronic vape fluid stimulates angiogenic processes in vitro through ARF6-mediated oxidative stress

    doi: 10.3389/ftox.2025.1699112

    Figure Lengend Snippet: Activation of ARF6 by its guanine nucleotide exchange factor (ARNO) regulates angiogenic processes in endothelial cells induced by nicotine-free eVape. (a, b) HUVECs were exposed to 2% nicotine-free eVape fluid for 24 h, and the cell lysates were analysed by Western blotting for (a) ARF6 or (b) ARNO expression. The Western blotting membranes (representative blots are shown in (i) ) were quantified and normalised to the actin expression shown in (ii) . (c–f) HUVECs were treated with ARF6 inhibitor (NAV2729; 5 µM), ARNO inhibitor (Secin H3; 10 µM), or dimethyl sulfoxide (DMSO) as vehicle control at the same time as eVape exposure. (c) ROS accumulation was assessed by DCFDA incorporation (fluorescence at 485/535 nm) following 2 h of treatment. (d) Cell adhesion, (e) migration, and (f) angiogenic potential were measured following (d, e) 6 h and (f) 24 h of treatments. (g) Protein expression of (i) angiopoietin-2, (ii) EGF, (iii) endoglin, (iv) PIGF, (v) prolactin, and (vi) VEGF were measured using specific ELISA arrays following 24 h of treatment with 2% nicotine-free eVape fluid in the presence (closed circles) and absence (open circles) of Secin H3 (10 µM). The data are presented as mean ± SEM, n = 5–6. * p < 0.05 versus vehicle for eVape (0%); # p < 0.05 versus vehicle for NAV2729 and Secin H3 (DMSO).

    Article Snippet: NAV2729 and Secin H3 were purchased from Tocris Bioscience (Abingdon, UK); Proteome Profiler Human angiogenesis array and enzyme-linked immunosorbent assay (ELISA) kits for human angiopoietin-2 (DANG20), endothelial growth factor (EGF; DEG00), endoglin (DNDG00), placental growth factor (PIGF; DPG00), prolactin (DY682), and vascular endothelial growth factor (VEGF; DVE00) were all obtained from R&D Systems (Abingdon, UK).

    Techniques: Activation Assay, Western Blot, Expressing, Control, Fluorescence, Migration, Enzyme-linked Immunosorbent Assay