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Advances in Experimental and Clinical Liver Injury Issues

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A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Toxicology".

Deadline for manuscript submissions: closed (30 April 2022) | Viewed by 4036

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Special Issue Editor

Prof. Dr. Rolf Teschke

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Department of Internal Medicine II, Division of Gastroenterology and Hepatology, Klinikum Hanau, Teaching Hospital of the Goethe University, 999035 Frankfurt, Germany
Interests: Heavy metals; Heavy metal uptake; Heavy metal disposition, Heavy metal homeostasis; Haber Weiss reaction; Fenton reaction; Benefits and risks for human health; Environmental pollution
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Liver injuries caused by exogenous chemicals such as drugs, herbs, alcohol, industrial hydrocarbons, and toxins derived from soil or water pollution are particular challenges in experimental studies and in clinical practice. In addition, endogenous toxins are found in severe liver diseases such as primary hemochromatosis due to genetic iron overload, Wilson disease caused by copper overload, metabolic diseases associated with disturbances of the porphyrin metabolism, or the broad spectrum of pediatric liver diseases based on genetic background. Finally, liver injuries associated with overweight and morbid obesity are an increasing problem for our society. Although some progress in various areas of liver injury is recognized, many questions remain unanswered. In this Special Issue, we hope that authors contribute promotional articles with a focus on their specific experimental and clinical experiences in special liver injuries. We appreciate not only balanced papers but also those with controversially discussed topics. The overall aim is to provide a broad overview of molecular toxicology in liver injury, also supported by experimental studies using animal models and liver tissue analyses. Data as presented should include proposals for diagnosis and treatment modalities in patients with liver injury diseases. We promise a quick review process and fair final decisions on good quality papers as submitted.

Prof. Dr. Rolf Teschke
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

liver injury
drugs
herbs
alcohol
industrial toxins
genetic liver injury
liver injury in overweight and obesity

Published Papers (2 papers)

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Research

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20 pages, 8029 KiB

Open AccessArticle

Attenuation of Ventilation-Enhanced Epithelial–Mesenchymal Transition through the Phosphoinositide 3-Kinase-γ in a Murine Bleomycin-Induced Acute Lung Injury Model

by Li-Fu Li, Chung-Chieh Yu, Chih-Yu Huang, Huang-Pin Wu, Chien-Ming Chu, Ping-Chi Liu and Yung-Yang Liu

Int. J. Mol. Sci. 2023, 24(6), 5538; https://doi.org/10.3390/ijms24065538 - 14 Mar 2023

Cited by 1 | Viewed by 1135

Abstract

Mechanical ventilation (MV) used in patients with acute lung injury (ALI) induces lung inflammation and causes fibroblast proliferation and excessive collagen deposition—a process termed epithelial–mesenchymal transition (EMT). Phosphoinositide 3-kinase-γ (PI3K-γ) is crucial in modulating EMT during the reparative phase of ALI; however, the mechanisms regulating the interactions among MV, EMT, and PI3K-γ remain unclear. We hypothesized that MV with or without bleomycin treatment would increase EMT through the PI3K-γ pathway. C57BL/6 mice, either wild-type or PI3K-γ-deficient, were exposed to 6 or 30 mL/kg MV for 5 h after receiving 5 mg/kg AS605240 intraperitoneally 5 days after bleomycin administration. We found that, after bleomycin exposure in wild-type mice, high-tidal-volume MV induced substantial increases in inflammatory cytokine production, oxidative loads, Masson’s trichrome staining level, positive staining of α-smooth muscle actin, PI3K-γ expression, and bronchial epithelial apoptosis (p < 0.05). Decreased respiratory function, antioxidants, and staining of the epithelial marker Zonula occludens-1 were also observed (p < 0.05). MV-augmented bleomycin-induced pulmonary fibrogenesis and epithelial apoptosis were attenuated in PI3K-γ-deficient mice, and we found pharmacological inhibition of PI3K-γ activity through AS605240 (p < 0.05). Our data suggest that MV augmented EMT after bleomycin-induced ALI, partially through the PI3K-γ pathway. Therapy targeting PI3K-γ may ameliorate MV-associated EMT. Full article

(This article belongs to the Special Issue Advances in Experimental and Clinical Liver Injury Issues)

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Review

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16 pages, 597 KiB

Open AccessReview

Liver Injury in COVID-19 Patients with Drugs as Causatives: A Systematic Review of 996 DILI Cases Published 2020/2021 Based on RUCAM as Causality Assessment Method

by Rolf Teschke, Nahum Méndez-Sánchez and Axel Eickhoff

Int. J. Mol. Sci. 2022, 23(9), 4828; https://doi.org/10.3390/ijms23094828 - 27 Apr 2022

Cited by 29 | Viewed by 2526

Abstract

Patients with coronavirus disease 19 (COVID-19) commonly show abnormalities of liver tests (LTs) of undetermined cause. Considering drugs as tentative culprits, the current systematic review searched for published COVID-19 cases with suspected drug-induced liver injury (DILI) and established diagnosis using the diagnostic algorithm of RUCAM (Roussel Uclaf Causality Assessment Method). Data worldwide on DILI cases assessed by RUCAM in COVID-19 patients were sparse. A total of 6/200 reports with initially suspected 996 DILI cases in COVID-19 patients and using all RUCAM-based DILI cases allowed for a clear description of clinical features of RUCAM-based DILI cases among COVID-19 patients: (1) The updated RUCAM published in 2016 was equally often used as the original RUCAM of 1993, with both identifying DILI and other liver diseases as confounders; (2) RUCAM also worked well in patients treated with up to 18 drugs and provided for most DILI cases a probable or highly probable causality level for drugs; (3) DILI was preferentially caused by antiviral drugs given empirically due to their known therapeutic efficacy in other virus infections; (4) hepatocellular injury was more often reported than cholestatic or mixed injury; (5) maximum LT values were found for alanine aminotransferase (ALT) 1.541 U/L and aspartate aminotransferase (AST) 1.076 U/L; (6) the ALT/AST ratio was variable and ranged from 0.4 to 1.4; (7) the mean or median age of the COVID-19 patients with DILI ranged from 54.3 to 56 years; (8) the ratio of males to females was 1.8–3.4:1; (9) outcome was favorable for most patients, likely due to careful selection of the drugs and quick cessation of drug treatment with emerging DILI, but it was fatal in 19 patients; (10) countries reporting RUCAM-based DILI cases in COVID-19 patients included China, India, Japan, Montenegro, and Spain; (11) robust estimation of the percentage contribution of RUCAM-based DILI for the increased LTs in COVID-19 patients is outside of the current scope. In conclusion, RUCAM-based DILI with its clinical characteristics in COVID-19 patients and its classification as a confounding variable is now well defined, requiring a new correct description of COVID-19 features by removing DILI characteristics as confounders. Full article

(This article belongs to the Special Issue Advances in Experimental and Clinical Liver Injury Issues)

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