Impact of Lifestyle Intervention on HDL-Induced eNOS Activation and Cholesterol Efflux Capacity in Obese Adolescent
Background. Endothelial dysfunction occurs in obese children and adolescent and is regarded as a key step in the development of atherosclerosis. Important components for the development of endothelial dysfunction are reduced activity of endothelial nitric oxide synthase (eNOS) and an increase in cho...
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| Format: | Article |
| Language: | English |
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Wiley
2016-01-01
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| Series: | Cardiology Research and Practice |
| Online Access: | http://dx.doi.org/10.1155/2016/2820432 |
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| author | Jenny Wesnigk Luc Bruyndonckx Vicky Y. Hoymans Ann De Guchtenaere Tina Fischer Gerhard Schuler Christiaan J. Vrints Volker Adams |
| author_facet | Jenny Wesnigk Luc Bruyndonckx Vicky Y. Hoymans Ann De Guchtenaere Tina Fischer Gerhard Schuler Christiaan J. Vrints Volker Adams |
| author_sort | Jenny Wesnigk |
| collection | DOAJ |
| description | Background. Endothelial dysfunction occurs in obese children and adolescent and is regarded as a key step in the development of atherosclerosis. Important components for the development of endothelial dysfunction are reduced activity of endothelial nitric oxide synthase (eNOS) and an increase in cholesterol deposition in the vessel wall, due to reduced reverse cholesterol transport (RCT) activity. High density lipoprotein (HDL) exhibits antiatherosclerotic properties including modulation of eNOS activity and cholesterol efflux capacity. Lifestyle intervention programs can modify endothelial dysfunction in obese adolescents, but their impact on HDL-mediated eNOS activation and RCT is unknown so far. Methods. Obese adolescents (15±1 years, BMI > 35 kg/m2) where randomized either to an intervention group (IG, n=8; restricted diet and exercise) or to a usual care group (UC, n=8). At the beginning and after 10 months of treatment HDL-mediated eNOS phosphorylation and cholesterol efflux capacity were evaluated. Results. Ten months of treatment resulted in a substantial weight loss (−31%), an improvement of endothelial function, and an increase in HDL-mediated eNOS-Ser1177 phosphorylation and RCT. A correlation between change in eNOS-Ser1177 phosphorylation or RCT and change in endothelial function was noted. Conclusion. A structured lifestyle intervention program improves antiatherosclerotic HDL functions, thereby positively influencing endothelial function. |
| format | Article |
| id | doaj-art-1d55edec7db443ecae276eae145ae0c9 |
| institution | OA Journals |
| issn | 2090-8016 2090-0597 |
| language | English |
| publishDate | 2016-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Cardiology Research and Practice |
| spelling | doaj-art-1d55edec7db443ecae276eae145ae0c92025-08-20T02:01:39ZengWileyCardiology Research and Practice2090-80162090-05972016-01-01201610.1155/2016/28204322820432Impact of Lifestyle Intervention on HDL-Induced eNOS Activation and Cholesterol Efflux Capacity in Obese AdolescentJenny Wesnigk0Luc Bruyndonckx1Vicky Y. Hoymans2Ann De Guchtenaere3Tina Fischer4Gerhard Schuler5Christiaan J. Vrints6Volker Adams7University of Leipzig, Heart Center Leipzig, Leipzig, GermanyAntwerp University Hospital, Laboratory of Cellular and Molecular Cardiology, Edegem, BelgiumAntwerp University Hospital, Laboratory of Cellular and Molecular Cardiology, Edegem, BelgiumZeepreventorium, De Haan, BelgiumUniversity of Leipzig, Heart Center Leipzig, Leipzig, GermanyUniversity of Leipzig, Heart Center Leipzig, Leipzig, GermanyAntwerp University Hospital, Laboratory of Cellular and Molecular Cardiology, Edegem, BelgiumUniversity of Leipzig, Heart Center Leipzig, Leipzig, GermanyBackground. Endothelial dysfunction occurs in obese children and adolescent and is regarded as a key step in the development of atherosclerosis. Important components for the development of endothelial dysfunction are reduced activity of endothelial nitric oxide synthase (eNOS) and an increase in cholesterol deposition in the vessel wall, due to reduced reverse cholesterol transport (RCT) activity. High density lipoprotein (HDL) exhibits antiatherosclerotic properties including modulation of eNOS activity and cholesterol efflux capacity. Lifestyle intervention programs can modify endothelial dysfunction in obese adolescents, but their impact on HDL-mediated eNOS activation and RCT is unknown so far. Methods. Obese adolescents (15±1 years, BMI > 35 kg/m2) where randomized either to an intervention group (IG, n=8; restricted diet and exercise) or to a usual care group (UC, n=8). At the beginning and after 10 months of treatment HDL-mediated eNOS phosphorylation and cholesterol efflux capacity were evaluated. Results. Ten months of treatment resulted in a substantial weight loss (−31%), an improvement of endothelial function, and an increase in HDL-mediated eNOS-Ser1177 phosphorylation and RCT. A correlation between change in eNOS-Ser1177 phosphorylation or RCT and change in endothelial function was noted. Conclusion. A structured lifestyle intervention program improves antiatherosclerotic HDL functions, thereby positively influencing endothelial function.http://dx.doi.org/10.1155/2016/2820432 |
| spellingShingle | Jenny Wesnigk Luc Bruyndonckx Vicky Y. Hoymans Ann De Guchtenaere Tina Fischer Gerhard Schuler Christiaan J. Vrints Volker Adams Impact of Lifestyle Intervention on HDL-Induced eNOS Activation and Cholesterol Efflux Capacity in Obese Adolescent Cardiology Research and Practice |
| title | Impact of Lifestyle Intervention on HDL-Induced eNOS Activation and Cholesterol Efflux Capacity in Obese Adolescent |
| title_full | Impact of Lifestyle Intervention on HDL-Induced eNOS Activation and Cholesterol Efflux Capacity in Obese Adolescent |
| title_fullStr | Impact of Lifestyle Intervention on HDL-Induced eNOS Activation and Cholesterol Efflux Capacity in Obese Adolescent |
| title_full_unstemmed | Impact of Lifestyle Intervention on HDL-Induced eNOS Activation and Cholesterol Efflux Capacity in Obese Adolescent |
| title_short | Impact of Lifestyle Intervention on HDL-Induced eNOS Activation and Cholesterol Efflux Capacity in Obese Adolescent |
| title_sort | impact of lifestyle intervention on hdl induced enos activation and cholesterol efflux capacity in obese adolescent |
| url | http://dx.doi.org/10.1155/2016/2820432 |
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