Lower Fetuin-A, Retinol Binding Protein 4 and Several Metabolites after Gastric Bypass Compared to Sleeve Gastrectomy in Patients with Type 2 Diabetes

Show simple item record

dc.contributor.author Jüllig, M en
dc.contributor.author Yip, S en
dc.contributor.author Xu, A en
dc.contributor.author Smith, G en
dc.contributor.author Middleditch, Martin en
dc.contributor.author Booth, M en
dc.contributor.author Babor, R en
dc.contributor.author Beban, G en
dc.contributor.author Murphy, Rinki en
dc.coverage.spatial United States en
dc.date.accessioned 2014-06-09T03:30:20Z en
dc.date.issued 2014 en
dc.identifier.citation PLoS One 9(5):e96489 2014 en
dc.identifier.uri http://hdl.handle.net/2292/22228 en
dc.description.abstract Background Bypass of foregut secreted factors promoting insulin resistance is hypothesized to be one of the mechanisms by which resolution of type 2 diabetes (T2D) follows roux-en-y gastric bypass (GBP) surgery. Aim To identify insulin resistance-associated proteins and metabolites which decrease more after GBP than after sleeve gastrectomy (SG) prior to diabetes remission. Methods Fasting plasma from 15 subjects with T2D undergoing GBP or SG was analyzed by proteomic and metabolomic methods 3 days before and 3 days after surgery. Subjects were matched for age, BMI, metformin therapy and glycemic control. Insulin resistance was calculated using homeostasis model assessment (HOMA-IR). For proteomics, samples were depleted of abundant plasma proteins, digested with trypsin and labeled with iTRAQ isobaric tags prior to liquid chromatography-tandem mass spectrometry analysis. Metabolomic analysis was performed using gas chromatography-mass spectrometry. The effect of the respective bariatric surgery on identified proteins and metabolites was evaluated using two-way analysis of variance and appropriate post-hoc tests. Results HOMA-IR improved, albeit not significantly, in both groups after surgery. Proteomic analysis yielded seven proteins which decreased significantly after GBP only, including Fetuin-A and Retinol binding protein 4, both previously linked to insulin resistance. Significant decrease in Fetuin-A and Retinol binding protein 4 after GBP was confirmed using ELISA and immunoassay. Metabolomic analysis identified significant decrease of citrate, proline, histidine and decanoic acid specifically after GBP. Conclusion Greater early decrease was seen for Fetuin-A, Retinol binding protein 4, and several metabolites after GBP compared to SG, preceding significant weight loss. This may contribute to enhanced T2D remission observed following foregut bypass procedures. en
dc.language eng en
dc.relation.ispartofseries PLoS One en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from http://www.sherpa.ac.uk/romeo/issn/1932-6203/ en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.rights.uri http://creativecommons.org/licenses/by/4.0/ en
dc.title Lower Fetuin-A, Retinol Binding Protein 4 and Several Metabolites after Gastric Bypass Compared to Sleeve Gastrectomy in Patients with Type 2 Diabetes en
dc.type Journal Article en
dc.identifier.doi 10.1371/journal.pone.0096489 en
pubs.issue 5 en
pubs.volume 9 en
dc.identifier.pmid 24800810 en
pubs.author-url http://www.ncbi.nlm.nih.gov/pubmed/24800810 en
dc.rights.accessrights http://purl.org/eprint/accessRights/OpenAccess en
pubs.subtype Article en
pubs.elements-id 438303 en
pubs.org-id Medical and Health Sciences en
pubs.org-id School of Medicine en
pubs.org-id Medicine Department en
pubs.org-id Science en
pubs.org-id Biological Sciences en
pubs.org-id Science Research en
pubs.org-id Maurice Wilkins Centre (2010-2014) en
dc.identifier.eissn 1932-6203 en
dc.identifier.pii PONE-D-13-47667 en
pubs.number e96489 en
pubs.record-created-at-source-date 2014-06-09 en
pubs.dimensions-id 24800810 en

Files in this item

Find Full text

This item appears in the following Collection(s)

Show simple item record


Search ResearchSpace