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human coronary arterial smcs  (ATCC)
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ATCC human coronary arterial smcs
Effects of inhibition of AGEs <t>on</t> <t>coronary</t> artery tensions and BK channel densities and protein expression (a) Representative tracings for 60 mmol/L KCl and 100 nmol/L IBTX induced vascular tension alterations of coronary arterial rings from C+V, DM+V, C+A and DM+A groups. (b) Graph data showing the vascular tension alterations induced by KCl. (c) Graph data showing the vascular tension alterations (IBTX/KCl). (d and e) Whole-cell potassium currents before and after application of 100 nmol/L IBTX, and the I-V relationship of IBTX-sensitive currents of control and AGEs-cultured freshly isolated rat coronary arterial <t>SMCs</t> ( n = 3∼6 per group). (f) The representative tracings of baseline potassium currents and potassium currents after application of 100 nM IBTX in rat coronary arterial SMCs of the C+V, DM+V, C+A and DM+A groups, respectively ( n = 3∼5 per group). (g) Graph data showing IBTX-sensitive current densities at the testing potential of +100 mV in rat coronary arterial SMCs of the four groups. (h–j) The protein expressions of BK-α and BK-β1 in human coronary arterial SMCs in the BSA and BSA-AGEs groups ( n = 6∼9 per group). Quantitative analysis of BK-α and BK-β1 were normalized to GAPDH protein expression levels. (k-l) The mRNA expression of BK-α and BK-β1 in rat coronary arteries of the C+V, DM+V, C+A and DM+A groups. β-actin was used as an internal control to normalize differences in the amount of total RNA in each rat sample ( n = 4 per group). (m and n) The mRNA expression of BK-α and BK-β1 in human coronary arterial SMCs of the NG, HG, NG+A, HG+A groups. GAPDH was used as an internal control to normalize differences in the amount of total RNA in each cell sample ( n = 4∼5 per group). (o–q) Protein expressions of BK-α and BK-β1 in rat coronary arteries of the C+V, DM+V, C+A and DM+A groups. Quantitative analysis of BK-α and BK-β1 were normalized to GAPDH protein expression levels ( n = 5 per group). (r–t) Protein expressions of BK-α and BK-β1 in human coronary arterial SMCs of the NG, HG, NG+A, HG+A groups. Quantitative analysis of BK-α and BK-β1 were normalized to GAPDH protein expression levels ( n = 5∼9 per group). (C+V: Control + Vehicle; C+A: Control + aminoguanidine; DM+V: DM + Vehicle; DM+A: DM + aminoguanidine. NG: normal glucose; HG: high glucose; NG+A: normal glucose + aminoguanidine; HG+A: high glucose + aminoguanidine).
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Effects of inhibition of AGEs on coronary artery tensions and BK channel densities and protein expression (a) Representative tracings for 60 mmol/L KCl and 100 nmol/L IBTX induced vascular tension alterations of coronary arterial rings from C+V, DM+V, C+A and DM+A groups. (b) Graph data showing the vascular tension alterations induced by KCl. (c) Graph data showing the vascular tension alterations (IBTX/KCl). (d and e) Whole-cell potassium currents before and after application of 100 nmol/L IBTX, and the I-V relationship of IBTX-sensitive currents of control and AGEs-cultured freshly isolated rat coronary arterial SMCs ( n = 3∼6 per group). (f) The representative tracings of baseline potassium currents and potassium currents after application of 100 nM IBTX in rat coronary arterial SMCs of the C+V, DM+V, C+A and DM+A groups, respectively ( n = 3∼5 per group). (g) Graph data showing IBTX-sensitive current densities at the testing potential of +100 mV in rat coronary arterial SMCs of the four groups. (h–j) The protein expressions of BK-α and BK-β1 in human coronary arterial SMCs in the BSA and BSA-AGEs groups ( n = 6∼9 per group). Quantitative analysis of BK-α and BK-β1 were normalized to GAPDH protein expression levels. (k-l) The mRNA expression of BK-α and BK-β1 in rat coronary arteries of the C+V, DM+V, C+A and DM+A groups. β-actin was used as an internal control to normalize differences in the amount of total RNA in each rat sample ( n = 4 per group). (m and n) The mRNA expression of BK-α and BK-β1 in human coronary arterial SMCs of the NG, HG, NG+A, HG+A groups. GAPDH was used as an internal control to normalize differences in the amount of total RNA in each cell sample ( n = 4∼5 per group). (o–q) Protein expressions of BK-α and BK-β1 in rat coronary arteries of the C+V, DM+V, C+A and DM+A groups. Quantitative analysis of BK-α and BK-β1 were normalized to GAPDH protein expression levels ( n = 5 per group). (r–t) Protein expressions of BK-α and BK-β1 in human coronary arterial SMCs of the NG, HG, NG+A, HG+A groups. Quantitative analysis of BK-α and BK-β1 were normalized to GAPDH protein expression levels ( n = 5∼9 per group). (C+V: Control + Vehicle; C+A: Control + aminoguanidine; DM+V: DM + Vehicle; DM+A: DM + aminoguanidine. NG: normal glucose; HG: high glucose; NG+A: normal glucose + aminoguanidine; HG+A: high glucose + aminoguanidine).

Journal: Diabetes & Vascular Disease Research

Article Title: Advanced glycation end products impair coronary artery BK channels via AMPK/Akt/FBXO32 signaling pathway

doi: 10.1177/14791641231197107

Figure Lengend Snippet: Effects of inhibition of AGEs on coronary artery tensions and BK channel densities and protein expression (a) Representative tracings for 60 mmol/L KCl and 100 nmol/L IBTX induced vascular tension alterations of coronary arterial rings from C+V, DM+V, C+A and DM+A groups. (b) Graph data showing the vascular tension alterations induced by KCl. (c) Graph data showing the vascular tension alterations (IBTX/KCl). (d and e) Whole-cell potassium currents before and after application of 100 nmol/L IBTX, and the I-V relationship of IBTX-sensitive currents of control and AGEs-cultured freshly isolated rat coronary arterial SMCs ( n = 3∼6 per group). (f) The representative tracings of baseline potassium currents and potassium currents after application of 100 nM IBTX in rat coronary arterial SMCs of the C+V, DM+V, C+A and DM+A groups, respectively ( n = 3∼5 per group). (g) Graph data showing IBTX-sensitive current densities at the testing potential of +100 mV in rat coronary arterial SMCs of the four groups. (h–j) The protein expressions of BK-α and BK-β1 in human coronary arterial SMCs in the BSA and BSA-AGEs groups ( n = 6∼9 per group). Quantitative analysis of BK-α and BK-β1 were normalized to GAPDH protein expression levels. (k-l) The mRNA expression of BK-α and BK-β1 in rat coronary arteries of the C+V, DM+V, C+A and DM+A groups. β-actin was used as an internal control to normalize differences in the amount of total RNA in each rat sample ( n = 4 per group). (m and n) The mRNA expression of BK-α and BK-β1 in human coronary arterial SMCs of the NG, HG, NG+A, HG+A groups. GAPDH was used as an internal control to normalize differences in the amount of total RNA in each cell sample ( n = 4∼5 per group). (o–q) Protein expressions of BK-α and BK-β1 in rat coronary arteries of the C+V, DM+V, C+A and DM+A groups. Quantitative analysis of BK-α and BK-β1 were normalized to GAPDH protein expression levels ( n = 5 per group). (r–t) Protein expressions of BK-α and BK-β1 in human coronary arterial SMCs of the NG, HG, NG+A, HG+A groups. Quantitative analysis of BK-α and BK-β1 were normalized to GAPDH protein expression levels ( n = 5∼9 per group). (C+V: Control + Vehicle; C+A: Control + aminoguanidine; DM+V: DM + Vehicle; DM+A: DM + aminoguanidine. NG: normal glucose; HG: high glucose; NG+A: normal glucose + aminoguanidine; HG+A: high glucose + aminoguanidine).

Article Snippet: Human coronary arterial SMCs (ATCC, #PCS-100-021) and the culture medium (ATCC, #PCS-100-042 and #PCS-100-030) were purchased from ATCC.

Techniques: Inhibition, Expressing, Control, Cell Culture, Isolation

Regulation of Akt in AGEs-mediated FBXO32-induced BK-β1 degradation (a and b) Protein expression of FBXO32 in rat coronary arteries of four groups ( n = 5 per group). (c and d) Protein expression of FBXO32 in human coronary arterial SMCs of four cell groups. Quantitative analysis of FBXO32 was normalized to GAPDH protein expression levels. (e–g) Phosphorylation levels of Akt and total Akt in rat coronary arteries of four groups ( n = 8 per group). (h–j) Phosphorylation levels of Akt and total Akt in human coronary arterial SMCs of four groups ( n = 3 per group). The phosphorylation level of Akt (k and n) and the protein expressions of FBXO32 (l and o) and BK-β1 (m and p) were measured after human coronary arterial SMCs were incubated for 96 h in DMEM containing 25.5 mmol/L glucose, or 25.5 mmol/L glucose with aminoguanidine in the absence or presence of MK2206 (0.3 μM) ( n = 5∼10 per group). MK2206 was added at the beginning and remained for 6 h (C+V: Control + Vehicle; C+A: Control + aminoguanidine; DM+V: DM + Vehicle; DM+A: DM + aminoguanidine. NG: normal glucose; HG: high glucose; NG+A: normal glucose + aminoguanidine; HG+A: high glucose + aminoguanidine.)

Journal: Diabetes & Vascular Disease Research

Article Title: Advanced glycation end products impair coronary artery BK channels via AMPK/Akt/FBXO32 signaling pathway

doi: 10.1177/14791641231197107

Figure Lengend Snippet: Regulation of Akt in AGEs-mediated FBXO32-induced BK-β1 degradation (a and b) Protein expression of FBXO32 in rat coronary arteries of four groups ( n = 5 per group). (c and d) Protein expression of FBXO32 in human coronary arterial SMCs of four cell groups. Quantitative analysis of FBXO32 was normalized to GAPDH protein expression levels. (e–g) Phosphorylation levels of Akt and total Akt in rat coronary arteries of four groups ( n = 8 per group). (h–j) Phosphorylation levels of Akt and total Akt in human coronary arterial SMCs of four groups ( n = 3 per group). The phosphorylation level of Akt (k and n) and the protein expressions of FBXO32 (l and o) and BK-β1 (m and p) were measured after human coronary arterial SMCs were incubated for 96 h in DMEM containing 25.5 mmol/L glucose, or 25.5 mmol/L glucose with aminoguanidine in the absence or presence of MK2206 (0.3 μM) ( n = 5∼10 per group). MK2206 was added at the beginning and remained for 6 h (C+V: Control + Vehicle; C+A: Control + aminoguanidine; DM+V: DM + Vehicle; DM+A: DM + aminoguanidine. NG: normal glucose; HG: high glucose; NG+A: normal glucose + aminoguanidine; HG+A: high glucose + aminoguanidine.)

Article Snippet: Human coronary arterial SMCs (ATCC, #PCS-100-021) and the culture medium (ATCC, #PCS-100-042 and #PCS-100-030) were purchased from ATCC.

Techniques: Expressing, Phospho-proteomics, Incubation, Control

Regulation of AMPK in Akt-mediated FBXO32-induced BK-β1 degradation by AGEs (a–c) Protein expression of p-AMPK and AMPK in rat coronary arteries from the four groups ( n = 8 per group). (d–f) Protein expression of p-AMPK and AMPK in human coronary arterial SMCs from the four groups ( n = 9 per group). Quantitative analysis of p-AMPK and AMPK was normalized to GAPDH protein expression levels. (g) Human coronary arterial SMCs were incubated for 96 h in DMEM containing 25.5 mmol/L glucose, or 25.5 mmol/L glucose and aminoguanidine in the absence or presence of Compound C (CC, 1 μM). Subsequently, the phosphorylation level of AMPK (h and i), AKT (j and k), and the protein expressions of FBXO32 (l) and BK-β1 (m) were measured ( n = 8 and 9 per group). Quantitative analysis of FBXO32 and BK-β1 was normalized to GAPDH protein expression levels.

Journal: Diabetes & Vascular Disease Research

Article Title: Advanced glycation end products impair coronary artery BK channels via AMPK/Akt/FBXO32 signaling pathway

doi: 10.1177/14791641231197107

Figure Lengend Snippet: Regulation of AMPK in Akt-mediated FBXO32-induced BK-β1 degradation by AGEs (a–c) Protein expression of p-AMPK and AMPK in rat coronary arteries from the four groups ( n = 8 per group). (d–f) Protein expression of p-AMPK and AMPK in human coronary arterial SMCs from the four groups ( n = 9 per group). Quantitative analysis of p-AMPK and AMPK was normalized to GAPDH protein expression levels. (g) Human coronary arterial SMCs were incubated for 96 h in DMEM containing 25.5 mmol/L glucose, or 25.5 mmol/L glucose and aminoguanidine in the absence or presence of Compound C (CC, 1 μM). Subsequently, the phosphorylation level of AMPK (h and i), AKT (j and k), and the protein expressions of FBXO32 (l) and BK-β1 (m) were measured ( n = 8 and 9 per group). Quantitative analysis of FBXO32 and BK-β1 was normalized to GAPDH protein expression levels.

Article Snippet: Human coronary arterial SMCs (ATCC, #PCS-100-021) and the culture medium (ATCC, #PCS-100-042 and #PCS-100-030) were purchased from ATCC.

Techniques: Expressing, Incubation, Phospho-proteomics