{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,3]],"date-time":"2025-10-03T08:26:21Z","timestamp":1759479981863,"version":"3.37.3"},"reference-count":35,"publisher":"Wiley","license":[{"start":{"date-parts":[[2018,11,1]],"date-time":"2018-11-01T00:00:00Z","timestamp":1541030400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004586","name":"Funda\u00e7\u00e3o Carlos Chagas Filho de Amparo \u00e0 Pesquisa do Estado do Rio de Janeiro","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004586","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BioMed Research International"],"published-print":{"date-parts":[[2018,11,1]]},"abstract":"Background<\/jats:italic>. Frequently, ingestion of lipids exceeds our daily requirements and constantly exposes humans to circulating lipid overload which may lead to endothelial dysfunction (ED), the earliest marker of atherosclerosis. Nailfold videocapillaroscopy (NVC) technique can detect ED on microcirculation. Using NVC, we aimed to demonstrate if metabolic alterations evoked by high-fat meals can act differently on microvascular endothelial reactivity in lean and women with obesity.Methods.<\/jats:italic>Women, aged between 19 and 40 years, were allocated to control group (CG) and with obesity group (OBG) and were subjected to blood analysis for determination of glucose, total cholesterol (TC), triglycerides (TG), and low-density lipoprotein cholesterol (LDL-c) and high-density lipoprotein cholesterol (HDL-c) and NVC evaluation at fasting and 30, 60, 120, and 180-min after high-fat meal ingestion. NVC technique evaluated microvascular reactivity through the following variables: red blood cell velocity (RBCV) at rest and after 1-min ischemia (maximal red blood cell velocity,R<\/mml:mi>B<\/mml:mi>C<\/mml:mi>V<\/mml:mi><\/mml:mrow>m<\/mml:mi>a<\/mml:mi>x<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:mrow><\/mml:math>) and time taken to reach it (T<\/mml:mi>R<\/mml:mi>B<\/mml:mi>C<\/mml:mi>V<\/mml:mi><\/mml:mrow>m<\/mml:mi>a<\/mml:mi>x<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:mrow><\/mml:math>). AP<\/jats:italic>value \u22640.05 was considered significant.Results.<\/jats:italic>High-fat meal promoted a two-phase response in both groups: one until 60-min, associated with glucose and insulin levels, and the other after 120-min, associated with TG levels. Significant differences between groups were observed concerning insulin and HDL-c concentrations only at fasting and TC, TG, and LDL-c levels in all-time points. Regarding microvascular reactivity, RBCV,R<\/mml:mi>B<\/mml:mi>C<\/mml:mi>V<\/mml:mi><\/mml:mrow>m<\/mml:mi>a<\/mml:mi>x<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:mrow><\/mml:math>, andT<\/mml:mi>R<\/mml:mi>B<\/mml:mi>C<\/mml:mi>V<\/mml:mi><\/mml:mrow>m<\/mml:mi>a<\/mml:mi>x<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:mrow><\/mml:math>were significantly different in OBG at 30-min compared to baseline.R<\/mml:mi>B<\/mml:mi>C<\/mml:mi>V<\/mml:mi><\/mml:mrow>m<\/mml:mi>a<\/mml:mi>x<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:mrow><\/mml:math>andT<\/mml:mi>R<\/mml:mi>B<\/mml:mi>C<\/mml:mi>V<\/mml:mi><\/mml:mrow>m<\/mml:mi>a<\/mml:mi>x<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:mrow><\/mml:math>were significantly different in CG at 30-min and 60-min comparing to fasting. In all-time points, OBG presented RBCV,R<\/mml:mi>B<\/mml:mi>C<\/mml:mi>V<\/mml:mi><\/mml:mrow>m<\/mml:mi>a<\/mml:mi>x<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:mrow><\/mml:math>\u2009, and\u2009T<\/mml:mi>R<\/mml:mi>B<\/mml:mi>C<\/mml:mi>V<\/mml:mi><\/mml:mrow>m<\/mml:mi>a<\/mml:mi>x<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:mrow><\/mml:math>significantly different in comparison to CG.Conclusion.<\/jats:italic>High-fat meal worsened ED on microcirculation in women with obesity and induced impairment of endothelial function in lean ones, reinforcing the association between high-fat meal and atherosclerosis.<\/jats:p>","DOI":"10.1155\/2018\/5046508","type":"journal-article","created":{"date-parts":[[2018,11,1]],"date-time":"2018-11-01T23:52:21Z","timestamp":1541116341000},"page":"1-8","source":"Crossref","is-referenced-by-count":5,"title":["Metabolic Changes Induced by High-Fat Meal Evoke Different Microvascular Responses in Accordance with Adiposity Status"],"prefix":"10.1155","volume":"2018","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4804-4999","authenticated-orcid":true,"given":"Priscila Alves","family":"Maranh\u00e3o","sequence":"first","affiliation":[{"name":"Laboratory for Clinical and Experimental Research on Vascular Biology (BioVasc), Biomedical Center, State University of Rio de Janeiro, Rio de Janeiro, RJ 20550-013, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5512-2871","authenticated-orcid":true,"given":"Maria das Gra\u00e7as Coelho","family":"de Souza","sequence":"additional","affiliation":[{"name":"Laboratory for Clinical and Experimental Research on Vascular Biology (BioVasc), Biomedical Center, State University of Rio de Janeiro, Rio de Janeiro, RJ 20550-013, Brazil"}]},{"given":"Diogo Guarnieri","family":"Panazzolo","sequence":"additional","affiliation":[{"name":"Laboratory for Clinical and Experimental Research on Vascular Biology (BioVasc), Biomedical Center, State University of Rio de Janeiro, Rio de Janeiro, RJ 20550-013, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5368-5248","authenticated-orcid":true,"given":"Jos\u00e9 Firmino","family":"Nogueira Neto","sequence":"additional","affiliation":[{"name":"Lipids Laboratory (Lablip), Policl\u00ednica Piquet Carneiro, State University of Rio de Janeiro, Rio de Janeiro, RJ 20550-003, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9621-8252","authenticated-orcid":true,"given":"Eliete","family":"Bouskela","sequence":"additional","affiliation":[{"name":"Laboratory for Clinical and Experimental Research on Vascular Biology (BioVasc), Biomedical Center, State University of Rio de Janeiro, Rio de Janeiro, RJ 20550-013, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3528-5881","authenticated-orcid":true,"given":"Luiz Guilherme","family":"Kraemer-Aguiar","sequence":"additional","affiliation":[{"name":"Laboratory for Clinical and Experimental Research on Vascular Biology (BioVasc), Biomedical Center, State University of Rio de Janeiro, Rio de Janeiro, RJ 20550-013, Brazil"},{"name":"Obesity Unit, Policl\u00ednica Piquet Carneiro, Department of Internal Medicine, Faculty of Medical Sciences, State University of Rio de Janeiro, Rio de Janeiro, RJ 20550-030, 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