{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T03:22:01Z","timestamp":1790824921631,"version":"4.1.0"},"reference-count":33,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["ATVB"],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:sec>\n            <jats:title>Objective:<\/jats:title>\n            <jats:p>Adiposity is associated with oxidative stress, inflammation, and glucose intolerance. Previous data suggest that platelet gene expression is associated with key cardiometabolic phenotypes, including body mass index but stable in healthy individuals over time. However, modulation of gene expression in platelets in response to metabolic shifts (eg, weight reduction) is unknown and may be important to defining mechanism.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Approach and Results:<\/jats:title>\n            <jats:p>Platelet RNA sequencing and aggregation were performed from 21 individuals with massive weight loss (&gt;45 kg) following bariatric surgery. Based on RNA sequencing data, we measured the expression of 67 genes from isolated platelet RNA using high-throughput quantitative reverse transcription quantitative PCR in 1864 FHS (Framingham Heart Study) participants. Many transcripts not previously studied in platelets were differentially expressed with bariatric surgical weight loss, appeared specific to platelets (eg, not differentially expressed in leukocytes), and were enriched for a nonalcoholic fatty liver disease pathway. Platelet aggregation studies did not detect alteration in platelet function after significant weight loss. Linear regression models demonstrated several platelet genes modestly associated with cross-sectional cardiometabolic phenotypes, including body mass index. There were no associations between studied transcripts and incident diabetes or cardiovascular end points.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions:<\/jats:title>\n            <jats:p>In summary, while there is no change in platelet aggregation function after significant weight loss, the human platelet experiences a dramatic transcriptional shift that implicates pathways potentially relevant to improved cardiometabolic risk postweight loss (eg, nonalcoholic fatty liver disease). Further studies are needed to determine the mechanistic importance of these observations.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/atvbaha.120.315186","type":"journal-article","created":{"date-parts":[[2020,12,10]],"date-time":"2020-12-10T10:19:51Z","timestamp":1607595591000},"page":"854-864","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":30,"title":["The Dynamic Platelet Transcriptome in Obesity and Weight Loss"],"prefix":"10.1161","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9497-2155","authenticated-orcid":true,"given":"Marzieh","family":"Ezzaty Mirhashemi","sequence":"first","affiliation":[{"name":"Division of Cardiovascular Medicine, Department of Medicine, University of Massachusetts Medical School, Worcester (M.E.M., O.V., K.T., J.E.F.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4471-7156","authenticated-orcid":true,"given":"Ravi 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Boston (R.V.S., R.R.K., A.S.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5706-2163","authenticated-orcid":true,"given":"Alexander R.","family":"Pico","sequence":"additional","affiliation":[{"name":"Institute of Data Science and Biotechnology, Gladstone Institutes, San Francisco, CA (A.R.P.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olga","family":"Vitseva","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Medicine, Department of Medicine, University of Massachusetts Medical School, Worcester (M.E.M., O.V., K.T., J.E.F.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Levy","sequence":"additional","affiliation":[{"name":"The Framingham Heart Study, MA (D.L.)."},{"name":"Population Sciences Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 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