| CD14dimCD16+ and CD14+CD16+ Monocytes in Obesity and During Weight Loss: Relationships With Fat Mass and Subclinical Atherosclerosis. | |
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MedLine Citation:
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PMID: 21799175 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: Studies suggest the implication of CD16(+) subpopulations (CD14(+)CD16(+), CD14(dim)CD16(+)) in inflammatory diseases. We aimed to determine the frequency of these subpopulations during weight loss in obesity and diabetes, conditions associated with changes in systemic inflammation, and we tested the link with subclinical atherosclerosis. METHODS AND RESULTS: CD14(dim)CD16(+) and CD14(+)CD16(+) frequencies were measured by flow cytometry in lean subjects, obese subjects before and after a hypocaloric diet or gastric surgery, and obese diabetic subjects before and after gastric surgery. Both monocyte subsets were increased in obese subjects, with a significant enrichment of the CD14(dim)CD16(+) subpopulation in obese diabetic patients. Multivariate analysis demonstrated a link between the percentages of CD14(dim)CD16(+) monocytes and glycemia, independent of fat mass. Drastic weight loss led to a sharp decrease of this subset, the variations of which were strongly related to fat mass changes. A reduction of at least 5% of fat mass was sufficient to observe a significant decrease of CD14(dim)CD16(+) monocytes. A diminution of the CD14(+)CD16(+) subset was also observed during weight loss and was associated with a decrease in intima-media thickness. CONCLUSIONS: This work demonstrates a major impact of fat mass variations on CD14(dim)CD16(+) monocyte subsets and that the decrease in the CD14(+)CD16(+) subpopulation is linked to a reduction of subclinical atherosclerosis. Clinical Trial Registration- URL: http://clinicaltrials.gov. Unique identifier: NCT00476658. |
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Authors:
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Christine Poitou; Elise Dalmas; Mariana Renovato; Vanessa Benhamo; Froogh Hajduch; Meriem Abdennour; Jean-François Kahn; Nicolas Veyrie; Salwa Rizkalla; Hervé Fridman; Catherine Sautès-Fridman; Karine Clément; Isabelle Cremer |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-28 |
Journal Detail:
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Title: Arteriosclerosis, thrombosis, and vascular biology Volume: - ISSN: 1524-4636 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9505803 Medline TA: Arterioscler Thromb Vasc Biol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Institut National de la Santé et de la Recherche Médicale, U872, Team 7 Nutriomique and Team 13, Cordeliers Research Center, Paris, France. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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