PMID- 26473344 OWN - NLM STAT- MEDLINE DCOM- 20160803 LR - 20191210 IS - 2769-819X (Electronic) IS - 1532-0820 (Print) IS - 1532-0820 (Linking) VI - 65 IP - 5 DP - 2015 Oct TI - Evaluation of Nonalcoholic Fatty Liver Disease in C57BL/6J Mice by Using MRI and Histopathologic Analyses. PG - 409-15 AB - Nonalcoholic fatty liver disease (NAFLD) can lead to cirrhosis, hepatocellular carcinoma, and ultimately death. Magnetic resonance techniques are accurate, noninvasive methods for evaluating hepatic steatosis but, in animals, have not been fully validated against histologic findings. We sought to validate the MRI fat-signal fraction (MRI-FSF) used for diagnosing NAFLD in human nonclinical trials by comparing MRI data with histopathologic findings in C57BL/6J mice (n = 24) fed normal chow (controls) or a methionine- and choline-deficient (MCD) diet to induce NAFLD. Axial T2-weighted fast spin-echo images were used to examine the entire liver. For histopathologic analyses, liver slides were evaluated for hepatic steatosis according to the NAFLD activity score. Pearson correlation coefficient and receiver operating characteristics analyses were performed. According to the fat-fraction signal, the mean percentage of liver fat in mice with induced NAFLD was 57%, which correlated with the histologically determined steatosis grade. The proton-density fat fraction effectively distinguished severe from mild hepatic steatosis, with an AUC of 0.92. Evaluation accuracy decreased when lobular inflammation and hepatocellular ballooning were considered. This study showed strong concurrence between MRI-FSF and histopathologic steatosis in a murine model of NAFLD. MRI-FSF had moderate sensitivity and specificity in this context. These results confirm that the MRI is a useful biomarker of hepatic steatosis in NAFLD in murine model. FAU - Ryu, Jae-Eun AU - Ryu JE AD - Asan Institute for Life Sciences, Asan Medical Center, Seoul 138-736, Republic of Korea. FAU - Jo, Woori AU - Jo W AD - Asan Institute for Life Sciences, Asan Medical Center, Seoul 138-736, Republic of Korea. FAU - Choi, Hyun-Ji AU - Choi HJ AD - Asan Institute for Life Sciences, Asan Medical Center, Seoul 138-736, Republic of Korea. FAU - Jang, Sungwoong AU - Jang S AD - Asan Institute for Life Sciences, Asan Medical Center, Seoul 138-736, Republic of Korea. FAU - Lee, Hyo-Ju AU - Lee HJ AD - Asan Institute for Life Sciences, Asan Medical Center, Seoul 138-736, Republic of Korea. FAU - Woo, Dong-Cheul AU - Woo DC AD - Asan Institute for Life Sciences, Asan Medical Center, Seoul 138-736, Republic of Korea. FAU - Kim, Jeong Kon AU - Kim JK AD - Department of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, Republic of Korea. FAU - Kim, Kyung Won AU - Kim KW AD - Department of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, Republic of Korea. FAU - Yu, Eun Sil AU - Yu ES AD - Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, Republic of Korea. FAU - Son, Woo-Chan AU - Son WC AD - Asan Institute for Life Sciences, Asan Medical Center, Seoul 138-736, Republic of Korea; Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, Republic of Korea. wcson@amc.seoul.kr. LA - eng PT - Comparative Study PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Validation Study PL - United States TA - Comp Med JT - Comparative medicine JID - 100900466 RN - AE28F7PNPL (Methionine) SB - IM MH - Animals MH - Area Under Curve MH - Biopsy MH - Choline Deficiency/complications MH - Disease Models, Animal MH - Liver/*pathology MH - *Magnetic Resonance Imaging MH - Methionine/deficiency MH - Mice, Inbred C57BL MH - Non-alcoholic Fatty Liver Disease/etiology/*pathology MH - Predictive Value of Tests MH - ROC Curve MH - Reproducibility of Results MH - Severity of Illness Index PMC - PMC4617331 EDAT- 2015/10/17 06:00 MHDA- 2016/08/04 06:00 PMCR- 2016/04/01 CRDT- 2015/10/17 06:00 PHST- 2015/10/17 06:00 [entrez] PHST- 2015/10/17 06:00 [pubmed] PHST- 2016/08/04 06:00 [medline] PHST- 2016/04/01 00:00 [pmc-release] AID - 2015000409 [pii] PST - ppublish SO - Comp Med. 2015 Oct;65(5):409-15.