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Yoshino Y, Fujii Y, Chihara K, Nakae A, Enmi JI, Yoshioka Y, Miyawaki I. Non-invasive differentiation of hepatic steatosis and steatohepatitis in a mouse model using nitroxyl radical as an MRI-contrast agent. Toxicol Rep 2024; 12:1-9. [PMID: 38173653 PMCID: PMC10758964 DOI: 10.1016/j.toxrep.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 01/05/2024] Open
Abstract
Drug-induced steatohepatitis is considered more serious than drug-induced hepatic steatosis, so that differentiating between the two is crucial in drug development. In addition, early detection of drug-induced steatohepatitis is considered important since recovery is possible with drug withdrawal. However, no method has been established to differentiate between the two. In the development of drug-induced steatohepatitis, reactive oxygen species (ROS) is excessively generated in the liver. It has been reported that ROS can be monitored with electron spin resonance (ESR) and dynamic nuclear polarization-magnetic resonance imaging (DNP-MRI) by using nitroxyl radicals, which are known to participate in various in vivo redox reactions. The decay/reduction rate, which is an index for monitoring nitroxyl radicals, has been reported to be increased in tissues with excessive ROS levels other than liver, but decreased in methionine choline deficient (MCD) diet-induced steatohepatitis with excess ROS. Therefore, looking to differentiate between drug-induced hepatic steatosis and steatohepatitis, we examined whether the reduction rate decreases in steatohepatitis other than the MCD-diet induced disease and whether the decrease could be detected by MRI. We used STAM™ mice in which hepatic steatosis and steatohepatitis developed sequentially under diabetic conditions. 3-carbamoyl-PROXYL (CmP), one of the nitroxyl radicals, was injected intravenously during the MRI procedure and the reduction rate was calculated. The reduction rate was significantly higher in early steatohepatitis than in hepatic steatosis and the control. Excess ROS in early steatohepatitis was detected by an immunohistochemical marker for ROS. Therefore, it was indicated that the increase or decrease in the reduction rate in steatohepatitis differs depending on the model, and early steatohepatitis could be noninvasively differentiated from hepatic steatosis using CmP in MRI. Since the change in direction of the reduction rate in steatohepatitis in clinical studies could be predicted by confirming the reduction rate in preclinical studies, the present method, which can be used consistently in clinical and preclinical studies, warrants consideration as a candidate monitoring method for differentiating between early drug-induced steatohepatitis and hepatic steatosis in drug development.
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Affiliation(s)
- Yuka Yoshino
- Preclinical Research Unit, Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka 554-0022, Japan
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita city, Osaka 565-0871, Japan
| | - Yuta Fujii
- Preclinical Research Unit, Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka 554-0022, Japan
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita city, Osaka 565-0871, Japan
| | - Kazuhiro Chihara
- Preclinical Research Unit, Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka 554-0022, Japan
| | - Aya Nakae
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita city, Osaka 565-0871, Japan
- Center for Information and Neural Networks (CiNet), Osaka University and National Institute of Information and Communications Technology (NICT), 1-4 Yamadaoka, Suita City, Osaka 565-0871, Japan
| | - Jun-ichiro Enmi
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita city, Osaka 565-0871, Japan
- Center for Information and Neural Networks (CiNet), Osaka University and National Institute of Information and Communications Technology (NICT), 1-4 Yamadaoka, Suita City, Osaka 565-0871, Japan
| | - Yoshichika Yoshioka
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita city, Osaka 565-0871, Japan
- Center for Information and Neural Networks (CiNet), Osaka University and National Institute of Information and Communications Technology (NICT), 1-4 Yamadaoka, Suita City, Osaka 565-0871, Japan
| | - Izuru Miyawaki
- Preclinical Research Unit, Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka 554-0022, Japan
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Calistri L, Rastrelli V, Nardi C, Maraghelli D, Vidali S, Pietragalla M, Colagrande S. Imaging of the chemotherapy-induced hepatic damage: Yellow liver, blue liver, and pseudocirrhosis. World J Gastroenterol 2021; 27:7866-7893. [PMID: 35046618 PMCID: PMC8678821 DOI: 10.3748/wjg.v27.i46.7866] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/15/2021] [Accepted: 11/29/2021] [Indexed: 02/06/2023] Open
Abstract
The liver is the major drug-metabolizing and drug-detoxifying organ. Many drugs can cause liver damage through various mechanisms; however, the liver response to injury includes a relatively narrow spectrum of alterations that, regardless of the cause, are represented by phlogosis, oxidative stress and necrosis. The combination of these alterations mainly results in three radiological findings: vascular alterations, structural changes and metabolic function reduction. Chemotherapy has changed in recent decades in terms of the drugs, protocols and duration, allowing patients a longer life expectancy. As a consequence, we are currently observing an increase in chemotherapy-associated liver injury patterns once considered unusual. Recognizing this form of damage in an early stage is crucial for reconsidering the therapy regimen and thus avoiding severe complications. In this frontier article, we analyze the role of imaging in detecting some of these pathological patterns, such as pseudocirrhosis, “yellow liver” due to chemotherapy-associated steatosis-steatohepatitis, and “blue liver”, including sinusoidal obstruction syndrome, veno-occlusive disease and peliosis.
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Affiliation(s)
- Linda Calistri
- Department of Experimental and Clinical Biomedical Sciences Mario Serio, University of Florence, Azienda Ospedaliera Universitaria Careggi, Florence 50134, Italy
| | - Vieri Rastrelli
- Department of Experimental and Clinical Biomedical Sciences Mario Serio, University of Florence, Azienda Ospedaliera Universitaria Careggi, Florence 50134, Italy
| | - Cosimo Nardi
- Department of Experimental and Clinical Biomedical Sciences Mario Serio, University of Florence, Azienda Ospedaliera Universitaria Careggi, Florence 50134, Italy
| | - Davide Maraghelli
- Department of Experimental and Clinical Biomedical Sciences Mario Serio, University of Florence, Azienda Ospedaliera Universitaria Careggi, Florence 50134, Italy
| | - Sofia Vidali
- Department of Experimental and Clinical Biomedical Sciences Mario Serio, University of Florence, Azienda Ospedaliera Universitaria Careggi, Florence 50134, Italy
| | - Michele Pietragalla
- Department of Experimental and Clinical Biomedical Sciences Mario Serio, University of Florence, Azienda Ospedaliera Universitaria Careggi, Florence 50134, Italy
| | - Stefano Colagrande
- Department of Experimental and Clinical Biomedical Sciences Mario Serio, University of Florence, Azienda Ospedaliera Universitaria Careggi, Florence 50134, Italy
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Reginelli A, Vacca G, Zanaletti N, Troiani T, Natella R, Maggialetti N, Palumbo P, Giovagnoni A, Ciardiello F, Cappabianca S. Diagnostic value/performance of radiological liver imaging during chemoterapy for gastrointestinal malignancy: a critical review. ACTA BIO-MEDICA : ATENEI PARMENSIS 2019; 90:51-61. [PMID: 31085973 PMCID: PMC6625573 DOI: 10.23750/abm.v90i5-s.8346] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Indexed: 12/28/2022]
Abstract
This article reviews the main toxic effect, complications and relative imaging findings of the liver that may appear during the oncologic follow up among patients affected by gastrointestinal malignancy. Awareness of the causative chemotherapeutic agent and regimens, pathophysiology and relative characteristic imaging findings of hepatic injuries is critical in order to obtain an accurate diagnosis especially when these parenchymal lesions are focal. An accurate synergic radiological diagnosis with Computed Tomography (CT) and Magnetic Resonance (MR) techniques may induce a potential termination of ineffective/toxic chemotherapy during early phases of treatment, changing the therapeutic plan in order to avoid first unnecessary liver biopsy and then invasive treatment as hepatic resection if not required.
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Affiliation(s)
- Alfonso Reginelli
- Department of Precision Medicine, University of Campania "L. Vanvitelli", Naples, Italy.
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You SH, Park BJ, Kim YH. Hepatic Lesions that Mimic Metastasis on Radiological Imaging during Chemotherapy for Gastrointestinal Malignancy: Recent Updates. Korean J Radiol 2017; 18:413-426. [PMID: 28458594 PMCID: PMC5390611 DOI: 10.3348/kjr.2017.18.3.413] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Accepted: 12/23/2016] [Indexed: 12/19/2022] Open
Abstract
During chemotherapy in patients with gastrointestinal malignancy, the hepatic lesions may occur as chemotherapy-induced lesions or tumor-associated lesions, with exceptions for infectious conditions and other incidentalomas. Focal hepatic lesions arising from chemotherapy-induced hepatopathies (such as chemotherapy-induced sinusoidal injury and steatosis) and tumor-associated eosinophilic abscess should be considered a mimicker of metastasis in patients with gastrointestinal malignancy. Accumulating evidence suggests that chemotherapy for gastrointestinal malignancy in the liver has roles in both the therapeutic effects for hepatic metastasis and injury to the non-tumor bearing hepatic parenchyma. In this article, we reviewed the updated concept of chemotherapy-induced hepatopathies and tumor-associated eosinophilic abscess in the liver, focusing on the pathological and radiological findings. Awareness of the causative chemo-agent, pathophysiology, and characteristic imaging findings of these mimickers is critical for accurate diagnosis and avoidance of unnecessary exposure of the patient to invasive tissue-based diagnosis and operations.
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Affiliation(s)
- Sung-Hye You
- Department of Radiology, Anam Hospital, Korea University College of Medicine, Seoul 02841, Korea
| | - Beom Jin Park
- Department of Radiology, Anam Hospital, Korea University College of Medicine, Seoul 02841, Korea
| | - Yeul Hong Kim
- Department of Internal Medicine, Anam Hospital, Korea University College of Medicine, Seoul 02841, Korea
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Masuoka HC, Chalasani N. Nonalcoholic fatty liver disease: an emerging threat to obese and diabetic individuals. Ann N Y Acad Sci 2013; 1281:106-22. [PMID: 23363012 PMCID: PMC3646408 DOI: 10.1111/nyas.12016] [Citation(s) in RCA: 194] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common liver disease in the Western world and its incidence is increasing rapidly. NAFLD is a spectrum ranging from simple steatosis, which is relatively benign hepatically, to nonalcoholic steatohepatitis (NASH), which can progress to cirrhosis. Obesity, insulin resistance, type 2 diabetes mellitus, and dyslipidemia are the most important risk factors for NAFLD. Due to heavy enrichment with metabolic risk factors, individuals with NAFLD are at significantly higher risk for cardiovascular disease. Individuals with NAFLD have higher incidence of type 2 diabetes. The diagnosis of NAFLD requires imaging evidence of hepatic steatosis in the absence of competing etiologies including significant alcohol consumption. Liver biopsy remains the gold standard for diagnosing NASH and for determining prognosis. Weight loss remains a cornerstone of treatment. Weight loss of ∼5% is believed to improve steatosis, whereas ∼10% weight loss is necessary to improve steatohepatitis. A number of pharmacologic therapies have been investigated to treat NASH, and agents such as vitamin E and thiazolidinediones have shown promise in select patient subgroups.
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Affiliation(s)
- Howard C Masuoka
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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