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acute liver injury

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https://www.readbyqxmd.com/read/29666400/the-corticosteroid-compounds-prednisolone-and-vamorolone-do-not-alter-the-nociception-phenotype-and-exacerbate-liver-injury-in-sickle-cell-mice
#1
Luis E F Almeida, Jesse M Damsker, Sarah Albani, Nina Afsar, Sayuri Kamimura, Drew Pratt, David E Kleiner, Martha Quezado, Heather Gordish-Dressman, Zenaide M N Quezado
Clinicians often hesitate prescribing corticosteroids to treat corticosteroid-responsive conditions in sickle cell disease (SCD) patients because their use can be associated with complications (increased hospital readmission, rebound pain, strokes, avascular necrosis, acute chest syndrome). Consequently, SCD patients may receive suboptimal treatment for corticosteroid-responsive conditions. We conducted a preclinical trial of dissociative (vamorolone) and conventional (prednisolone) corticosteroid compounds to evaluate their effects on nociception phenotype, inflammation, and organ dysfunction in SCD mice...
April 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29665769/sublethal-chronic-effects-of-oral-dietary-exposure-to-deltamethrin-in-swiss-albino-mice
#2
Anita Tewari, R S Banga, Jps Gill
The hazards of dietary exposure to environmentally relevant levels of deltamethrin are poorly understood though studies enunciate the acute toxicity hazards. In this study, prolonged exposure to low levels of deltamethrin in mice was investigated. The mice were exposed daily via gavage method for 60 days. Four doses (0.1, 0.05, 0.01, and 0.005 mg/kg bwt/d) were selected, which are equal to or less than the maximum residue limits for deltamethrin permitted in animal food/feed. Liver, kidney, lungs, spleen, and testes were collected on day 61 for histology, residue, and biochemical analysis (aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALKP), total bilirubin (TBIL), total proteins (TPs), cholesterol (CHOL), urea, and creatinine)...
January 1, 2018: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/29665445/acute-kidney-injury-during-treatment-with-high-dose-cloxacillin-a-report-of-23-cases-and-literature-review
#3
Aurélie Lavergne, Cécile Vigneau, Elisabeth Polard, Louise Triquet, Nathalie Rioux-Leclercq, Pierre Tattevin, Léonard Golbin
BACKGROUND: International guidelines recommend high-dose cloxacillin for endocarditis or osteoarticular infections due to meticillin-susceptible staphylococci. However, data on the tolerability of these regimens are scarce. METHODS: We used the computerized registry of suspected drug-related adverse events in our institution. Cases of acute kidney injury (AKI), as defined by KDIGO, in patients receiving high-dose cloxacillin, were retrospectively reviewed. Data were collected from medical charts on a standardized questionnaire...
April 14, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29664738/pharmacological-induction-of-hypoxia-inducible-transcription-factor-arnt-attenuates-chronic-kidney-failure
#4
Björn Tampe, Désirée Tampe, Gunsmaa Nyamsuren, Friederike Klöpper, Gregor Rapp, Anne Kauffels, Thomas Lorf, Elisabeth M Zeisberg, Gerhard A Müller, Raghu Kalluri, Samy Hakroush, Michael Zeisberg
Progression of chronic kidney disease associated with progressive fibrosis and impaired tubular epithelial regeneration is still an unmet biomedical challenge, because once chronic lesions have manifested, no effective therapies are available as of yet for clinical use. Prompted by various studies across multiple organs demonstrating that preconditioning regimens to induce endogenous regenerative mechanisms protect various organs from later incurring acute injuries, we here aimed to gain insights into the molecular mechanisms underlying successful protection and to explore whether such pathways could be utilized to inhibit progression of chronic organ injury...
April 17, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29664296/ppar%C3%AE-mediates-the-hepatoprotective-effects-of-nutmeg
#5
Xiao Nan Yang, Xue-Mei Liu, JIan-He Fang, Xu Zhu, Xiu-Wei Yang, Xue-Rong Xiao, Jian-Feng Huang, Frank J Gonzalez, Fei Li
Nutmeg is a traditional Chinese medicine used to treat gastrointestinal diseases. Some reports indicated that nutmeg has hepatoprotective activity. In this study, a thioacetamide (TAA)-induced acute liver injury model in mice was used to explore the mechanism of the protective effects of nutmeg extract (NME), including its major bioactive component myrislignan. The results indicated that NME could effectively protect TAA-induced liver damage as assessed by recovery of increased serum liver transaminases, decrease hepatic oxidative stress and lower hepatic inflammation...
April 17, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29663989/-high-mobility-group-box-1-contributes-to-the-endoplasmic-reticulum-stress-of-liver-in-rats-with-trauma
#6
Qingjie Zhang, Jianfeng Lu, Xuehao Li, Yichang Liu, Guoqing Liu, Xinhua Han, Zhenyong Gu
OBJECTIVE: To investigate the role of high mobility group box 1 (HMGB1) in hepatic endoplasmic reticulum stress (ERS) in rats with trauma. METHODS: Sixty SPF Sprague-Dawley (SD) rats were randomly divided into groups (n = 6). The rat model of liver injury following traumatic stress was established by continuous compressing the bilateral hind-limbs of rats for 3 hours and then intermittent compressing and decompressing for 30 minutes respectively three times with standard weight of 15 kg...
April 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29662323/investigation-of-chronic-efficacy-and-safety-profile-of-two-potential-anti-inflammatory-bipyrazole-based-compounds-in-experimental-animals
#7
Souraya Domiati, Mohammed Mehanna, Hanan Ragab, Hania Nakkash Chmaisse, Ahmed El Mallah
Purpose: Although nonsteroidal anti-inflammatory drugs are widely used to treat a variety of disorders, their administration is associated with gastrointestinal side effects, acute kidney injury and liver enzymes' elevation. Accordingly, researchers are encouraged to create novel agents with better safety profile. The aim of the current study was to evaluate the chronic efficacy and safety profile of two compounds previously proven to have acceptable acute anti-inflammatory and analgesic activities...
2018: Journal of Inflammation Research
https://www.readbyqxmd.com/read/29658369/hepatoprotective-effect-of-chiisanoside-against-acetaminophen-induced-acute-liver-injury-in-mice
#8
Xingbo Bian, Shijie Wang, Jinping Liu, Yan Zhao, Haijun Li, Lianxue Zhang, Pingya Li
This study was designed to investigate the hepatoprotective effect of chiisanoside (CSS) and its possible mechanisms on acetaminophen (APAP)-induced acute liver damage in mice. The serum activities of alanine transaminase (ALT), aspartate transaminase (AST), tumor necrosis factor alpha (TNF-α), interleukin-1 beta (IL-1β), interleukin-6 (IL-6), and the hepatic levels of superoxide dismutase (SOD), catalase (CAT), glutathione (GSH) and malondialdehyde (MDA) were determined using the commercially available assay kits...
April 15, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29657212/mortality-in-the-elderly-with-acute-kidney-injury-in-an-internal-medicine-department-in-abidjan-cote-d-ivoire
#9
Hubert Kouamé Yao, Allah Yves Omer Binan, Serge-Didier Konan, Koffi Justin N'Da, Sery Patrick Diopoh
Acute kidney injury (AKI) in the elderly is characterized by high mortality. The objective of this study is to identify the causes of death in the elderly with AKI. This is a prospective cohort study with a descriptive purpose which was carried out during the period from January 2009 to December 2014 in the Department of Nephrology-Internal Medicine of Treichville University Hospital. The diagnosis of AKI was made on the basis of serum creatinine (SCr) values determined during hospitalization, according to KDIGO classification...
March 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29656332/rdh13-deficiency-weakens-carbon-tetrachloride-induced-liver-injury-by-regulating-spot14-and-cyp2e1-expression-levels
#10
Xiaofang Cui, Benting Ma, Yan Wang, Yan Chen, Chunling Shen, Ying Kuang, Jian Fei, Lungen Lu, Zhugang Wang
Mitochondrion-localized retinol dehydrogenase 13 (Rdh13) is a short-chain dehydrogenase/reductase involved in vitamin A metabolism in both humans and mice. We previously generated Rdh13 knockout mice and showed that Rdh13 deficiency causes severe acute retinal light damage. In this study, considering that Rdh13 is highly expressed in mouse liver, we further evaluated the potential effect of Rdh13 on liver injury induced by carbon tetrachloride (CCl4 ). Although Rdh13 deficiency showed no significant effect on liver histology and physiological functions under regular culture, the Rdh13-/- mice displayed an attenuated response to CCl4 -induced liver injury...
April 14, 2018: Frontiers of Medicine
https://www.readbyqxmd.com/read/29650044/human-amnion-derived-mesenchymal-stem-cells-alleviate-lung-injury-induced-by-white-smoke-inhalation-in-rats
#11
Pei Cui, Haiming Xin, Yongming Yao, Shichu Xiao, Feng Zhu, Zhenyu Gong, Zhiping Tang, Qiu Zhan, Wei Qin, Yanhua Lai, Xiaohui Li, Yalin Tong, Zhaofan Xia
BACKGROUND: White smoke inhalation (WSI) is an uncommon but potentially deadly cause of acute lung injury and acute respiratory distress syndrome for which no effective pharmaceutical treatment has been developed. This study aimed to determine the protective effects of human amnion-derived mesenchymal stem cells (hAMSCs) against WSI-induced lung injury in rats. METHODS: hAMSCs were injected into rats via the tail vein 4 h after WSI. At 1, 3, 7, 14, and 28 days after cell injection, hAMSCs labeled with PKH26 in lung, heart, liver, and kidney tissues were observed by fluorescence microscopy...
April 12, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29649828/risk-analysis-for-invasive-fungal-infection-after-living-donor-liver-transplantation-which-patient-needs-potent-prophylaxis
#12
Masashi Utsumi, Yuzo Umeda, Takahito Yagi, Takeshi Nagasaka, Susumu Shinoura, Ryuich Yoshida, Daisuke Nobuoka, Takashi Kuise, Tomokazu Fuji, Kosei Takagi, Akinobu Takaki, Toshiyoshi Fujiwara
BACKGROUND: Invasive fungal infection (IFI) is associated with high mortality after living donor liver transplant (LDLT). The aim of this study was to identify the risk factors for post-LDLT IFI for early diagnosis and improvement of antifungal treatment outcome. METHODS: Risk analysis data were available for all 153 patients who underwent LDLT between January 2005 and April 2012. RESULTS: During the follow-up period (1,553 ± 73 days, range 20-2,946 days), 15 patients (9...
April 12, 2018: Digestive Surgery
https://www.readbyqxmd.com/read/29649629/qingchangligan-formula-alleviates-acute-liver-injury-by-attenuating-extracellular-histone-associated-inflammation
#13
Lan Ding, Xiangying Zhang, Li Li, Chunyan Gou, Xiaolan Luo, Yang Yang, Tao Wen, Xiuhui Li
Qingchangligan formula (QCLGF) is a traditional Chinese medicine that has exhibited remarkable clinical efficacy for patients with acute-on-chronic liver failure (ACLF). However, the hepatoprotective mechanisms of QCLGF are not completely understood. Extracellular histones were recently identified as the novel inflammatory mediators involved in the pathogenesis of acute liver injury. This study aimed to investigate whether QCLGF provides hepatoprotection by targeting extracellular histones. We showed that QCLGF significantly improved the survival rate of the ConA-treated mice, ameliorated hepatotoxicity, and markedly decreased the levels of extracellular histones and the associated cytokines...
April 9, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29649125/bavachinin-induces-oxidative-damage-in-heparg-cells-through-p38-jnk-mapk-pathways
#14
Shan Wang, Min Wang, Min Wang, Yu Tian, Xiao Sun, Guibo Sun, Xiaobo Sun
Drug-induced liver injury is one of the main causes of drug non-approval and drug withdrawal by the Food and Drug Administration (FDA). Bavachinin (BVC) is a natural product derived from the fruit of the traditional Chinese herb Fructus Psoraleae (FP). There have been reports of acute liver injury following the administration of FP and its related proprietary medicines. To explore BVC hepatotoxicity and its mechanisms, we used the HepaRG cell line. In our recent research, we showed that BVC induces HepaRG cell death, mainly via BVC-induced oxidative damage...
April 12, 2018: Toxins
https://www.readbyqxmd.com/read/29644058/porphyria-and-kidney-diseases
#15
Nicolas Pallet, Alexandre Karras, Eric Thervet, Laurent Gouya, Zoubida Karim, Hervé Puy
The kidneys, after the bone marrow and liver, are third in terms of the amounts of haem synthesized daily. Haem is incorporated into haemoproteins that are critical to renal physiology. In turn, disturbances in haem metabolism interfere with renal physiology and are tightly interrelated with kidney diseases. Acute intermittent porphyria causes kidney injury, whereas medical situations associated with end-stage renal disease, such as porphyrin accumulation, iron overload and hepatitis C, participate in the inhibition of uroporphyrinogen decarboxylase and predispose the individual to porphyria cutanea tarda...
April 2018: Clinical Kidney Journal
https://www.readbyqxmd.com/read/29643913/hair-dye-poisoning-an-early-intervention
#16
Syed Farrukh Umair, Imrana Amin, Ata Urrehman
The use of hair dye has been emerging worldwide however usage of Paraphenylenediamine (PPD) in making hair dye is generally restricted to underdeveloped and developing countries. In particular, prevalence of accidental and suicidal ingestion is more in low socioeconomic areas. The spectra of hair dye toxicity is wide, however, it presents more commonly with severe angioedema of face and neck leading to respiratory failure, rhabdomyolysis complicating into acute kidney injury, myocarditis and acute liver injury...
January 2018: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29642405/transcriptome-analysis-of-acute-phase-liver-graft-injury-in-liver-transplantation
#17
Nikki P Lee, Haiyang Wu, Kevin T P Ng, Ruibang Luo, Tak-Wah Lam, Chung-Mau Lo, Kwan Man
BACKGROUND: Liver transplantation remains the treatment of choice for a selected group of hepatocellular carcinoma (HCC) patients. However, the long-term benefit is greatly hampered by post-transplant HCC recurrence. Our previous studies have identified liver graft injury as an acute phase event leading to post-transplant tumor recurrence. METHODS: To re-examine this acute phase event at the molecular level and in an unbiased way, RNA sequencing (RNA-Seq) was performed on liver graft biopsies obtained from the transplant recipients two hours after portal vein reperfusion with an aim to capture frequently altered pathways that account for post-transplant tumor recurrence...
April 6, 2018: Biomedicines
https://www.readbyqxmd.com/read/29628888/licochalcone-a-upregulates-nrf2-antioxidant-pathway-and-thereby-alleviates-acetaminophen-induced-hepatotoxicity
#18
Hongming Lv, Qingfei Xiao, Junfeng Zhou, Haihua Feng, Guowen Liu, Xinxin Ci
Acetaminophen (APAP) overdose-induced fatal hepatotoxicity is majorly characterized by overwhelmingly increased oxidative stress while enhanced nuclear factor-erythroid 2-related factor 2 (Nrf2) is involved in prevention of hepatotoxicity. Although Licochalcone A (Lico A) upregulates Nrf2 signaling pathway against oxidative stress-triggered cell injury, whether it could protect from APAP-induced hepatotoxicity by directly inducing Nrf2 activation is still poorly elucidated. This study aims to explore the protective effect of Lico A against APAP-induced hepatotoxicity and its underlying molecular mechanisms...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29627448/maslinic-acid-protects-against-lipopolysaccharide-d-galactosamine-induced-acute-liver-injury-in-mice
#19
Yuan-Yuan Wang, Bao-Zhong Diao, Li-Hua Zhong, Bao-Ling Lu, Yu Cheng, Lei Yu, Li-Ying Zhu
Acute liver injury is a life-threatening syndrome that often caused by hepatocyte damage. In this study, we investigated the protective effects of maslinic acid (MA) on lipopolysaccharide (LPS)/d-galactosamine (D-gal)-induced acute liver injury and clarified its mechanism. Mice acute liver injury model was induced by given LPS and D-gal and MA was given intraperitoneally 1 h before LPS and D-gal. Our results showed that MA protected against liver injury by attenuating liver histopathologic changes, serum AST and ALT levels...
April 5, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29622518/beta-sitosterol-and-its-derivatives-repress-lipopolysaccharide-d-galactosamine-induced-acute-hepatic-injury-by-inhibiting-the-oxidation-and-inflammation-in-mice
#20
Yongxia Yin, Xiaofeng Liu, Jinping Liu, Enbo Cai, Hongyan Zhu, Haijun Li, Lianxue Zhang, Pingya Li, Yan Zhao
Beta-sitosterol (Sit) widely exists in natural plants, is classed as phytosterol and known as the "key of life". Most pharmacological studies and clinical applications are limited because of the fact that Sit is difficult to be solved. Therefore, it is viable to enhance pharmacologic activities of Sit by using its derivatives which can be obtained through the modification of Sit. In this study, 4 kinds of new Sit derivatives were obtained by the esterification reaction. Further, the hepatoprotective effects of Sit and its derivatives were investigated against acute liver injury induced by lipopolysaccharide/d-galactosamine (LPS/GalN) in mice and its mechanism was illustrated by western blot analysis and real-time PCR...
March 28, 2018: Bioorganic & Medicinal Chemistry Letters
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