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:: Volume 20, Issue 6 (3-2019) ::
2019, 20(6): 320-331 Back to browse issues page
Effect of Laparoscopic Gastric Plication on the Blood Protein Profile of Obese Subjects Using Shotgun Proteomics
Parisa Savedoroudi , Mohammad Talebpour Dr , Alireza Ghassempour Dr
Shahid Beheshti University , a-ghassempour@sbu.ac.ir
Abstract:   (1608 Views)
Introduction: Nowadays, bariatric surgery is considered to be the most effective technique in the treatment of morbid obesity. In the current study, the effect of Laparoscopic Gastric Plication (LGP), a new technique, on the serum protein profile of obese patients has been investigated following surgery. Materials and Methods: Serum of 16 obese subjects with mean body mass index (BMI) of 41.2±5.3 kg/m2, who underwent LGP was investigated before surgery and at two timepoints post-surgery (T1-1 to 2 months after surgery and T2-4 to 5 months after surgery). Peptide mixtures prepared using Polyvinylidene Fluoride (PVDF) membrane and trypsin enzyme were analyzed by Liquid chromatography-tandem mass spectrometry (LC-MS/MS). Results: In the present study 157 proteins were quantified, and twenty-four proteins showed statistically significant different levels at T1 post-surgery, using paired two -sample t-test (adjusted p-value<0.05); of these, levels of 12 increased, while those of 12 decreased. At T2 post-surgery, 16 proteins were differentially regulated (adjusted p-value<0.05), 10 upregulated proteins and 6 downregulated proteins. Conclusion: Due to the significant effect of bariatric surgery on the protein profile of patients, it is possible to study the impact of effective factors on the identified biomarkers and find a new strategy for obesity treatment in the future.
Keywords: Proteomics, Bariatric surgery, Obesity, Mass spectrometry
Full-Text [PDF 1873 kb]   (400 Downloads)    
Type of Study: Original | Subject: Biochemistry
Received: 2018/12/4 | Accepted: 2019/03/16 | Published: 2019/03/15
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Savedoroudi P, Talebpour M, Ghassempour A. Effect of Laparoscopic Gastric Plication on the Blood Protein Profile of Obese Subjects Using Shotgun Proteomics. Iranian Journal of Endocrinology and Metabolism. 2019; 20 (6) :320-331
URL: http://ijem.sbmu.ac.ir/article-1-2501-en.html

Volume 20, Issue 6 (3-2019) Back to browse issues page
مجله ی غدد درون‌ریز و متابولیسم ایران، دو ماهنامه  پژوهشی مرکز تحقیقات غدد درون‌ریز و متابولیسم، Iranian Journal of Endocrinology and Metabolism
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