Nichole Yue Ting Tan, Elizabeth Shumbayawonda, Lionel Tim-Ee Cheng, Albert Su Chong Low, Chin Hong Lim, Alvin Kim Hock Eng, Weng Hoong Chan, Phong Ching Lee, Mei Fang Tay, Jason Pik Eu Chang, Yong Mong Bee, George Boon Bee Goh, Jianhong Ching, Kee Voon Chua, Sharon Hong Yu Han, Jean-Paul Kovalik, Hong Chang Tan
{"title":"谷氨酸-丝氨酸-甘氨酸指数作为监测减肥手术对非酒精性脂肪肝影响的生物标志物","authors":"Nichole Yue Ting Tan, Elizabeth Shumbayawonda, Lionel Tim-Ee Cheng, Albert Su Chong Low, Chin Hong Lim, Alvin Kim Hock Eng, Weng Hoong Chan, Phong Ching Lee, Mei Fang Tay, Jason Pik Eu Chang, Yong Mong Bee, George Boon Bee Goh, Jianhong Ching, Kee Voon Chua, Sharon Hong Yu Han, Jean-Paul Kovalik, Hong Chang Tan","doi":"10.15605/jafes.039.02.20","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>Bariatric surgery effectively treats non-alcoholic fatty liver disease (NAFLD). The glutamate-serine-glycine (GSG) index has emerged as a non-invasive diagnostic marker for NAFLD, but its ability to monitor treatment response remains unclear. This study investigates the GSG index's ability to monitor NAFLD's response to bariatric surgery.</p><p><strong>Methodology: </strong>Ten NAFLD participants were studied at baseline and 6 months post-bariatric surgery. Blood samples were collected for serum biomarkers and metabolomic profiling. Hepatic steatosis [proton density fat fraction (PDFF)] and fibroinflammation (cT1) were quantified with multiparametric magnetic resonance imaging (mpMRI), and hepatic stiffness with magnetic resonance elastography (MRE). Amino acids and acylcarnitines were measured with mass spectrometry. Statistical analyses included paired Student's t-test, Wilcoxon-signed rank test, and Pearson's correlation.</p><p><strong>Results: </strong>Eight participants provided complete data. At baseline, all had hepatic steatosis (BMI 39.3 ± 5.6 kg/m<sup>2</sup>, PDFF ≥5%). Post-surgery reductions in PDFF (from 12.4 ± 6.7% to 6.2 ± 2.8%, <i>p</i> = 0.013) and cT1 (from 823.3 ± 85.4 ms to 757.5 ± 41.6 ms, <i>p</i> = 0.039) were significant, along with the GSG index (from 0.272 ± 0.03 to 0.157 ± 0.05, <i>p</i> = 0.001).</p><p><strong>Conclusion: </strong>The GSG index can potentially be developed as a marker for monitoring the response of patients with NAFLD to bariatric surgery.</p>","PeriodicalId":41792,"journal":{"name":"Journal of the ASEAN Federation of Endocrine Societies","volume":"39 2","pages":"54-60"},"PeriodicalIF":0.6000,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11604366/pdf/","citationCount":"0","resultStr":"{\"title\":\"The Glutamate-Serine-Glycine Index as a Biomarker to Monitor the Effects of Bariatric Surgery on Non-alcoholic Fatty Liver Disease.\",\"authors\":\"Nichole Yue Ting Tan, Elizabeth Shumbayawonda, Lionel Tim-Ee Cheng, Albert Su Chong Low, Chin Hong Lim, Alvin Kim Hock Eng, Weng Hoong Chan, Phong Ching Lee, Mei Fang Tay, Jason Pik Eu Chang, Yong Mong Bee, George Boon Bee Goh, Jianhong Ching, Kee Voon Chua, Sharon Hong Yu Han, Jean-Paul Kovalik, Hong Chang Tan\",\"doi\":\"10.15605/jafes.039.02.20\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Objective: </strong>Bariatric surgery effectively treats non-alcoholic fatty liver disease (NAFLD). The glutamate-serine-glycine (GSG) index has emerged as a non-invasive diagnostic marker for NAFLD, but its ability to monitor treatment response remains unclear. This study investigates the GSG index's ability to monitor NAFLD's response to bariatric surgery.</p><p><strong>Methodology: </strong>Ten NAFLD participants were studied at baseline and 6 months post-bariatric surgery. Blood samples were collected for serum biomarkers and metabolomic profiling. Hepatic steatosis [proton density fat fraction (PDFF)] and fibroinflammation (cT1) were quantified with multiparametric magnetic resonance imaging (mpMRI), and hepatic stiffness with magnetic resonance elastography (MRE). Amino acids and acylcarnitines were measured with mass spectrometry. Statistical analyses included paired Student's t-test, Wilcoxon-signed rank test, and Pearson's correlation.</p><p><strong>Results: </strong>Eight participants provided complete data. At baseline, all had hepatic steatosis (BMI 39.3 ± 5.6 kg/m<sup>2</sup>, PDFF ≥5%). Post-surgery reductions in PDFF (from 12.4 ± 6.7% to 6.2 ± 2.8%, <i>p</i> = 0.013) and cT1 (from 823.3 ± 85.4 ms to 757.5 ± 41.6 ms, <i>p</i> = 0.039) were significant, along with the GSG index (from 0.272 ± 0.03 to 0.157 ± 0.05, <i>p</i> = 0.001).</p><p><strong>Conclusion: </strong>The GSG index can potentially be developed as a marker for monitoring the response of patients with NAFLD to bariatric surgery.</p>\",\"PeriodicalId\":41792,\"journal\":{\"name\":\"Journal of the ASEAN Federation of Endocrine Societies\",\"volume\":\"39 2\",\"pages\":\"54-60\"},\"PeriodicalIF\":0.6000,\"publicationDate\":\"2024-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11604366/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of the ASEAN Federation of Endocrine Societies\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.15605/jafes.039.02.20\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/9/13 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"Q4\",\"JCRName\":\"ENDOCRINOLOGY & METABOLISM\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the ASEAN Federation of Endocrine Societies","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.15605/jafes.039.02.20","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/9/13 0:00:00","PubModel":"Epub","JCR":"Q4","JCRName":"ENDOCRINOLOGY & METABOLISM","Score":null,"Total":0}
The Glutamate-Serine-Glycine Index as a Biomarker to Monitor the Effects of Bariatric Surgery on Non-alcoholic Fatty Liver Disease.
Objective: Bariatric surgery effectively treats non-alcoholic fatty liver disease (NAFLD). The glutamate-serine-glycine (GSG) index has emerged as a non-invasive diagnostic marker for NAFLD, but its ability to monitor treatment response remains unclear. This study investigates the GSG index's ability to monitor NAFLD's response to bariatric surgery.
Methodology: Ten NAFLD participants were studied at baseline and 6 months post-bariatric surgery. Blood samples were collected for serum biomarkers and metabolomic profiling. Hepatic steatosis [proton density fat fraction (PDFF)] and fibroinflammation (cT1) were quantified with multiparametric magnetic resonance imaging (mpMRI), and hepatic stiffness with magnetic resonance elastography (MRE). Amino acids and acylcarnitines were measured with mass spectrometry. Statistical analyses included paired Student's t-test, Wilcoxon-signed rank test, and Pearson's correlation.
Results: Eight participants provided complete data. At baseline, all had hepatic steatosis (BMI 39.3 ± 5.6 kg/m2, PDFF ≥5%). Post-surgery reductions in PDFF (from 12.4 ± 6.7% to 6.2 ± 2.8%, p = 0.013) and cT1 (from 823.3 ± 85.4 ms to 757.5 ± 41.6 ms, p = 0.039) were significant, along with the GSG index (from 0.272 ± 0.03 to 0.157 ± 0.05, p = 0.001).
Conclusion: The GSG index can potentially be developed as a marker for monitoring the response of patients with NAFLD to bariatric surgery.
期刊介绍：
The Journal of the ASEAN Federation of Endocrine Societies (JAFES) is an OPEN ACCESS, internationally peer-reviewed, English language, medical and health science journal that is published in print two times a year by the ASEAN Federation of Endocrine Societies. It shall serve as the endocrine window between the ASEAN region and the world, featuring original papers and publishing key findings from specialists and experts of endocrinology.
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