Journal article 1275 views 401 downloads
Acyl-ghrelin mediated lipid retention and inflammation in obesity-related Type 2 diabetes
Molecular and Cellular Endocrinology, Volume: 481, Pages: 8 - 13
Swansea University Authors: Rachel Churm , Jeffrey Davies , Sarah Prior
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DOI (Published version): 10.1016/j.mce.2018.11.004
Abstract
Acyl-ghrelin has various peripheral effects including the potential role in mediating cellular lipid removal and macrophage polarization. Previous reports are contradictory as to how glycaemia and acyl-ghrelin mediates lipid retention and inflammation within individuals with Type 2 diabetes (T2D). O...
Published in: | Molecular and Cellular Endocrinology |
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ISSN: | 0303-7207 |
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2019
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Online Access: |
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URI: | https://cronfa.swan.ac.uk/Record/cronfa45975 |
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2020-07-20T13:07:24Z |
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2020-07-20T12:44:49.5037878 v2 45975 2018-11-19 Acyl-ghrelin mediated lipid retention and inflammation in obesity-related Type 2 diabetes c6cd8267ff0b13f2ea333bbfefdae144 0000-0001-9855-6282 Rachel Churm Rachel Churm true false 2cb3d1d96a7870a84d2f758e865172e6 0000-0002-4234-0033 Jeffrey Davies Jeffrey Davies true false cdda101035997acfaa6fdf17097f52b2 0000-0001-8703-8092 Sarah Prior Sarah Prior true false 2018-11-19 EAAS Acyl-ghrelin has various peripheral effects including the potential role in mediating cellular lipid removal and macrophage polarization. Previous reports are contradictory as to how glycaemia and acyl-ghrelin mediates lipid retention and inflammation within individuals with Type 2 diabetes (T2D). Our aim was to explore acyl-ghrelin levels and ghrelin expression in relation to lipid and inflammatory markers within an ex vivo human model, biopsied visceral adipose tissue.Results indicated that acyl-ghrelin was associated with a decline in key lipid homeostasis genes ABCG1 and LXRβ expression. Within T2D there was also a down regulation of these genes which was independent of acyl-ghrelin levels. Circulatory pro-inflammatory markers (IL-6 and TNFα) had no association with ghrelin expression nor circulating acyl-ghrelin levels. Anti-inflammatory marker (IL-10) and total antioxidant status (TAOS%) were positively associated with ghrelin expression across samples from all groups combined (total sample cohort) and specifically within the obesity sample cohorts.Data supported the hypothesis that hyperglycaemia and acyl-ghrelin have a regulatory role in lipid retention. Furthermore, that both acyl- and desacyl-ghrelin is responsible for a protective inflammatory response; however this response is diminished in T2D. Journal Article Molecular and Cellular Endocrinology 481 8 13 0303-7207 5 2 2019 2019-02-05 10.1016/j.mce.2018.11.004 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University 2020-07-20T12:44:49.5037878 2018-11-19T12:03:48.8766833 Rachel Churm 0000-0001-9855-6282 1 S. Caplin 2 J. Barry 3 Jeffrey Davies 0000-0002-4234-0033 4 J.W. Stephens 5 Sarah Prior 0000-0001-8703-8092 6 0045975-19112018120648.pdf Churm2018.pdf 2018-11-19T12:06:48.8270000 Output 922216 application/pdf Accepted Manuscript true 2019-11-13T00:00:00.0000000 Released under the terms of a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND). true eng |
title |
Acyl-ghrelin mediated lipid retention and inflammation in obesity-related Type 2 diabetes |
spellingShingle |
Acyl-ghrelin mediated lipid retention and inflammation in obesity-related Type 2 diabetes Rachel Churm Jeffrey Davies Sarah Prior |
title_short |
Acyl-ghrelin mediated lipid retention and inflammation in obesity-related Type 2 diabetes |
title_full |
Acyl-ghrelin mediated lipid retention and inflammation in obesity-related Type 2 diabetes |
title_fullStr |
Acyl-ghrelin mediated lipid retention and inflammation in obesity-related Type 2 diabetes |
title_full_unstemmed |
Acyl-ghrelin mediated lipid retention and inflammation in obesity-related Type 2 diabetes |
title_sort |
Acyl-ghrelin mediated lipid retention and inflammation in obesity-related Type 2 diabetes |
author_id_str_mv |
c6cd8267ff0b13f2ea333bbfefdae144 2cb3d1d96a7870a84d2f758e865172e6 cdda101035997acfaa6fdf17097f52b2 |
author_id_fullname_str_mv |
c6cd8267ff0b13f2ea333bbfefdae144_***_Rachel Churm 2cb3d1d96a7870a84d2f758e865172e6_***_Jeffrey Davies cdda101035997acfaa6fdf17097f52b2_***_Sarah Prior |
author |
Rachel Churm Jeffrey Davies Sarah Prior |
author2 |
Rachel Churm S. Caplin J. Barry Jeffrey Davies J.W. Stephens Sarah Prior |
format |
Journal article |
container_title |
Molecular and Cellular Endocrinology |
container_volume |
481 |
container_start_page |
8 |
publishDate |
2019 |
institution |
Swansea University |
issn |
0303-7207 |
doi_str_mv |
10.1016/j.mce.2018.11.004 |
document_store_str |
1 |
active_str |
0 |
description |
Acyl-ghrelin has various peripheral effects including the potential role in mediating cellular lipid removal and macrophage polarization. Previous reports are contradictory as to how glycaemia and acyl-ghrelin mediates lipid retention and inflammation within individuals with Type 2 diabetes (T2D). Our aim was to explore acyl-ghrelin levels and ghrelin expression in relation to lipid and inflammatory markers within an ex vivo human model, biopsied visceral adipose tissue.Results indicated that acyl-ghrelin was associated with a decline in key lipid homeostasis genes ABCG1 and LXRβ expression. Within T2D there was also a down regulation of these genes which was independent of acyl-ghrelin levels. Circulatory pro-inflammatory markers (IL-6 and TNFα) had no association with ghrelin expression nor circulating acyl-ghrelin levels. Anti-inflammatory marker (IL-10) and total antioxidant status (TAOS%) were positively associated with ghrelin expression across samples from all groups combined (total sample cohort) and specifically within the obesity sample cohorts.Data supported the hypothesis that hyperglycaemia and acyl-ghrelin have a regulatory role in lipid retention. Furthermore, that both acyl- and desacyl-ghrelin is responsible for a protective inflammatory response; however this response is diminished in T2D. |
published_date |
2019-02-05T13:34:44Z |
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1821956253542252544 |
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11.048149 |