The Shear Stress-Regulated Expression of Glypican-4 in Endothelial Dysfunction In Vitro and Its Clinical Significance in Atherosclerosis
Retention of circulating lipoproteins by their interaction with extracellular matrix molecules has been suggested as an underlying mechanism for atherosclerosis. We investigated the role of glypican-4 (GPC4), a heparan sulfate (HS) proteoglycan, in the development of endothelial dysfunction and plaque progression; Expression of GPC4 and HS was investigated in human umbilical vein/artery endothelial cells (HUVECs/HUAECs) using flow cytometry, qPCR, and immunofluorescent staining. Leukocyte adhesion was determined in HUVECs in bifurcation chamber slides under dynamic flow. The association between the degree of inflammation and GPC4, HS, and syndecan-4 expressions was analyzed in human carotid plaques; GPC4 was expressed in HUVECs/HUAECs. In HUVECs, GPC4 protein expression was higher in laminar than in non-uniform shear stress regions after a 1-day or 10-day flow (p < 0.01 each). The HS expression was higher under laminar flow after a 1 day (p < 0.001). Monocytic THP-1 cell adhesion to HUVECs was facilitated by GPC4 knock-down (p < 0.001) without affecting adhesion molecule expression. GPC4 and HS expression was lower in more-inflamed than in less-inflamed plaque shoulders (p < 0.05, each), especially in vulnerable plaque sections; Reduced expression of GPC4 was associated with atherogenic conditions, suggesting the involvement of GPC4 in both early and advanced stages of atherosclerosis.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:24 |
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| Enthalten in: |
International journal of molecular sciences - 24(2023), 14 vom: 18. Juli |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Urschel, Katharina [VerfasserIn] |
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| Links: |
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| Themen: |
Atherosclerosis |
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| Anmerkungen: |
Date Completed 18.08.2023 Date Revised 18.08.2023 published: Electronic Citation Status MEDLINE |
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| doi: |
10.3390/ijms241411595 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM360112242 |
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| 100 | 1 | |a Urschel, Katharina |e verfasserin |4 aut | |
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| 520 | |a Retention of circulating lipoproteins by their interaction with extracellular matrix molecules has been suggested as an underlying mechanism for atherosclerosis. We investigated the role of glypican-4 (GPC4), a heparan sulfate (HS) proteoglycan, in the development of endothelial dysfunction and plaque progression; Expression of GPC4 and HS was investigated in human umbilical vein/artery endothelial cells (HUVECs/HUAECs) using flow cytometry, qPCR, and immunofluorescent staining. Leukocyte adhesion was determined in HUVECs in bifurcation chamber slides under dynamic flow. The association between the degree of inflammation and GPC4, HS, and syndecan-4 expressions was analyzed in human carotid plaques; GPC4 was expressed in HUVECs/HUAECs. In HUVECs, GPC4 protein expression was higher in laminar than in non-uniform shear stress regions after a 1-day or 10-day flow (p < 0.01 each). The HS expression was higher under laminar flow after a 1 day (p < 0.001). Monocytic THP-1 cell adhesion to HUVECs was facilitated by GPC4 knock-down (p < 0.001) without affecting adhesion molecule expression. GPC4 and HS expression was lower in more-inflamed than in less-inflamed plaque shoulders (p < 0.05, each), especially in vulnerable plaque sections; Reduced expression of GPC4 was associated with atherogenic conditions, suggesting the involvement of GPC4 in both early and advanced stages of atherosclerosis | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a atherosclerosis | |
| 650 | 4 | |a endothelial dysfunction | |
| 650 | 4 | |a glypican-4 | |
| 650 | 4 | |a heparan sulfate | |
| 650 | 4 | |a plaque | |
| 650 | 4 | |a sex differences | |
| 650 | 4 | |a shear stress | |
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| 650 | 7 | |a Heparan Sulfate Proteoglycans |2 NLM | |
| 650 | 7 | |a GPC4 protein, human |2 NLM | |
| 700 | 1 | |a Hug, Karsten P |e verfasserin |4 aut | |
| 700 | 1 | |a Zuo, Hanxiao |e verfasserin |4 aut | |
| 700 | 1 | |a Büttner, Michael |e verfasserin |4 aut | |
| 700 | 1 | |a Furtmair, Roman |e verfasserin |4 aut | |
| 700 | 1 | |a Kuehn, Constanze |e verfasserin |4 aut | |
| 700 | 1 | |a Stumpfe, Florian M |e verfasserin |4 aut | |
| 700 | 1 | |a Botos, Balaz |e verfasserin |4 aut | |
| 700 | 1 | |a Achenbach, Stephan |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Dietel, Barbara |e verfasserin |4 aut | |
| 700 | 1 | |a Tauchi, Miyuki |e verfasserin |4 aut | |
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