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논문 기본 정보

자료유형
학술저널
저자정보
Ju Hee Oh (Graduate School of Biomedical Science and Engineering Hanyang University) Dae Won Jun (Department of Internal Medicine Hanyang University College of Medicine) Hye Young Kim (Graduate School of Biomedical Science and Engineering Hanyang University) Seung Min Lee (Graduate School of Biomedical Science and Engineering Hanyang University) Eileen L. Yoon (Department of Internal Medicine Hanyang University College of Medicine) Jungwook Hwang (Department of Medical genetic Hanyang University College of Medicine) Jung Hwan Park (Department of Endocrinology Hanyang University College of Medicine) Hanbi Lee (Department of Life Sciences College of Natural Science Ewha Womans University) Wankyu Kim (Department of Life Sciences College of Natural Science Ewha Womans University) Hyunsung Kim (Department of Internal Medicine Hanyang University College of Medicine)
저널정보
대한간학회 Clinical and Molecular Hepatology Clinical and Molecular Hepatology 제28권 제3호
발행연도
2022.7
수록면
497 - 509 (13page)
DOI
10.3350/cmh.2022.0019

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Background/Aims: We aimed to define an optimal target population and drug-specific biomarkers that may predict dipeptidyl peptidase (DPP)-4 inhibitor responses in non-alcoholic fatty liver disease (NAFLD). Methods: An exploration study (study I) was performed using three different NAFLD models (basket study design; high-fat diet [HFD], methionine choline-deficient diet [MCD], and high-cholesterol Western diet [WD] models). RNA transcriptome analysis was performed on pre-studied liver tissues to identify biomarkers that could predict the response to DPP-4 inhibitors. In the validation study (study II), the HFD-induced NAFLD model was divided into high and low hepatic insulin-like growth factor binding protein 1 (Igfbp-1) groups based on the pre-study liver biopsy. Results: DPP-4 inhibitor attenuated the NAFLD activity score and fibrosis stage in the HFD model but not in the WD and MCD models. The overall response rate was 19% across the modified basket NAFLD trial and 42%, 25%, and 0% in the HFD, WD, and MCD models. Hepatic Igfbp-1 expression was higher in the responder group than in the non-responder group in pre-study biopsy samples. In contrast, hepatic Igfbp-1 expression was lower in the responder group than in the non-responder group in the end-study biopsy samples. DPP-4 inhibitor response rates were 83% and 17% in the baseline hepatic high Igfbp-1 and low Igfbp-1 groups, respectively. Hepatic messenger RNA Igfbp-1 expression was positively correlated with serum IGFBP-1 levels. Conclusions: The DPP-4 inhibitor response was higher in the HFD phenotype and pre-treatment levels of hepatic or serum IGFBP-1 were high.

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