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acute liver injury

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https://www.readbyqxmd.com/read/27903234/acute-phase-proteins-and-their-potential-role-as-an-indicator-for-fish-health-and-in-diagnosis-of-fish-diseases
#1
Suvra Roy, Vikash Kumar, Vikas Kumar, B K Behera
The acute phase proteins are biochemically and functionally unrelated protein predominantly synthesized in the liver. The local inflammatory cells i.e. macrophages and neutrophils secretes various cytokines like IL-1, IL-6, IL-8 (interleukins) and TNF-α into bloodstream in response to injury and tissue damage, which stimulate hepatocytes to produce protein and release them into the circulation; these proteins are called as acute phase protein (e.g. C-reactive protein (CRP), serum amyloid A (SAA), metal binding protein, lysozyme, lectin, etc...
November 21, 2016: Protein and Peptide Letters
https://www.readbyqxmd.com/read/27899252/the-effects-of-metronidazole-on-cytochrome-p450-activity-and-expression-in-rats-after-acute-exposure-to-high-altitude-of-4300m
#2
Rong Wang, Yuhuan Sun, Qiang Yin, Hua Xie, Wenbin Li, Chang Wang, Jiankui Guo, Ying Hao, Rui Tao, Zhengping Jia
BACKGROUND: The purpose is to observe the changes of CYP450 enzyme activity expression as well as the physiological and pathological states of Wistar rats given metronidazole drug intervention after acute exposure to high altitude of 4300m. METHODS AND RESULTS: Thirty healthy adult male Wistar rats of average weight 200 ± 20 g were randomly assigned into three groups of 10 rats per group as follows: Group A (55m), Group B (4300m) and Group C (metronidazole intervention, 4300m)...
November 26, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27895419/acute-kidney-injury-and-post-reperfusion-syndrome-in-liver-transplantation
#3
REVIEW
Ilaria Umbro, Francesca Tinti, Irene Scalera, Felicity Evison, Bridget Gunson, Adnan Sharif, James Ferguson, Paolo Muiesan, Anna Paola Mitterhofer
In the past decades liver transplantation (LT) has become the treatment of choice for patients with end stage liver disease (ESLD). The chronic shortage of cadaveric organs for transplantation led to the utilization of a greater number of marginal donors such as older donors or donors after circulatory death (DCD). The improved survival of transplanted patients has increased the frequency of long-term complications, in particular chronic kidney disease (CKD). Acute kidney injury (AKI) post-LT has been recently recognized as an important risk factor for the occurrence of de novo CKD in the long-term outcome...
November 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27893685/acute-liver-failure-caused-by-hemophagocytic-lymphohistiocytosis-in-adults-a-case-report-and-review-of-the-literature
#4
Shide Lin, Ying Li, Jun Long, Qichuan Liu, Fangwan Yang, Yihuai He
BACKGROUND: Hemophagocytic lymphohistiocytosis (HLH) is a rare condition that can be caused by a primary or acquired disorder of uncontrolled immune response. Liver injury is a common complication of HLH; however, HLH presenting as acute liver failure (ALF) has rarely been reported in adults. CASE SUMMARY: A 34-year-old man was admitted to our hospital with nausea and fatigue persisting for 2 weeks and jaundice for 1 week. He had hyperthermia at the onset of disease...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27891510/tropisetron-protects-against-acetaminophen-induced-liver-injury-via-suppressing-hepatic-oxidative-stress-and-modulating-the-activation-of-jnk-erk-mapk-pathways
#5
Fu-Chao Liu, Hung-Chen Lee, Chia-Chih Liao, Allen H Li, Huang-Ping Yu
Objectives. To investigate the protective effects of tropisetron on acetaminophen- (APAP-) induced liver injury in a mice model. Methods. C57BL/6 male mice were given tropisetron (0.3 to 10 mg/kg) 30 minutes before a hepatotoxic dose of acetaminophen (300 mg/kg) intraperitoneally. Twenty hours after APAP intoxication, sera alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels, hepatic myeloperoxidase (MPO), malondialdehyde (MDA), glutathione (GSH), and superoxide dismutase (SOD) activities, and liver histopathological changes were examined...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27891208/endogenous-n-3-fatty-acids-alleviate-carbon-tetrachloride-induced-acute-liver-injury-in-fat-1-transgenic-mice
#6
Ruibing Feng, Meng Wang, Chunyan Yan, Peng Li, Meiwan Chen, Chengwei He, Jian-Bo Wan
n-3 polyunsaturated fatty acids (PUFAs) are beneficial for numerous models of liver diseases. The probable protective effects of n-3 PUFA against carbon-tetrachloride- (CCl4-) induced acute liver injury were evaluated in a fat-1 transgenic mouse that synthesizes endogenous n-3 from n-6 PUFA. Fat-1 mice and their WT littermates were fed a modified AIN93 diet containing 10% corn oil and were injected intraperitoneally with a single dose of CCl4 or vehicle. CCl4 challenge caused severe liver injury in WT mice, as indicated by serum parameters and histopathological changes, which were remarkably ameliorated in fat-1 mice...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27889508/physiological-responses-and-changes-in-gene-expression-in-the-large-yellow-croaker-larimichthys-crocea-following-exposure-to-hypoxia
#7
Qian-Feng Wang, Wei-Liang Shen, Cong-Cong Hou, Cheng Liu, Xiong-Fei Wu, Jun-Quan Zhu
Organisms at all levels of evolutionary complexity react to hypoxic stress. To clarify the effects of acute hypoxia on physiological and biochemical responses of Larimichthys crocea, we measured the activity levels of the antioxidant enzymes superoxide dismutase and catalase, hemoglobin concentration, functional indices of the liver (aspartate transaminase, alanine transaminase), heart (phosphocreatine kinase), and immune system (alkaline phosphatase), as well as mRNA expression levels of the immunity-related genes Hsp70 and HIF-1α at different time points of hypoxic...
November 24, 2016: Chemosphere
https://www.readbyqxmd.com/read/27884245/acute-kidney-injury-in-asians%C3%A2-with%C3%A2-atrial%C3%A2-fibrillation-treated%C3%A2-with%C3%A2-dabigatran%C3%A2-or-warfarin
#8
Yi-Hsin Chan, Yung-Hsin Yeh, Lai-Chu See, Chun-Li Wang, Shang-Hung Chang, Hsin-Fu Lee, Lung-Sheng Wu, Hui-Tzu Tu, Chi-Tai Kuo
BACKGROUND: Whether dabigatran is associated with a lower risk of acute kidney injury (AKI) in patients with nonvalvular atrial fibrillation (NVAF) remains unknown. OBJECTIVES: The authors compared the risk of AKI in Asians with NVAF who were prescribed dabigatran versus warfarin. METHODS: The authors analyzed patients enrolled in the Taiwan nationwide retrospective cohort study from June 1, 2012, to December 31, 2013. Dabigatran and warfarin were taken by 7,702 and 7,885 NVAF patients without a history of chronic kidney disease (CKD) and 2,256 and 2,089 NVAF patients with a history of CKD, respectively...
November 29, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27881344/-value-of-urinary-liver-fatty-acid-binding-protein-in-assessing-severity-of-brain-trauma-and-predicting-acute-kidney-injury
#9
Guang-Yong Wu, Kai Zhuang, Yu Liu, Zhi-Fei Wang
OBJECTIVE: To assess the value of urinary liver-type fatty acid-binding protein (L-FABP) in early assessment of the severity of traumatic brain injury and in predicting the occurrence of acute kidney injury (AKI) following the brain injury. METHODS: Sixty-five patients with traumatic brain injury patients were divided into 4 groups according to their Glasgow coma scale (GCS) scores. Blood and urine samples were collected at 2, 6, 12, 24, 48 and 72 h after the injury to detect serum creatinine (SCr) level using biochemical analyzer and urinary L-FABP using enzyme-linked immunosorbent assay (ELISA), with samples from 15 healthy adults as controls...
November 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27878238/nobiletin-attenuates-lipopolysaccharide-d%C3%A2-galactosamine%C3%A2-induced-liver-injury-in-mice-by-activating-the-nrf2-antioxidant-pathway-and-subsequently-inhibiting-nf%C3%A2-%C3%AE%C2%BAb%C3%A2-mediated-cytokine-production
#10
Zhenxing He, Xuanfei Li, Hao Chen, Kun He, Yiming Liu, Junhua Gong, Jianping Gong
Inflammation and oxidative stress serve an important role in the development of lipopolysaccharide/D-galactosamine (LPS/GalN)‑induced acute liver injury. Nobiletin, which is found in high quantities in the peel of citrus fruits, is able to modulate immune responses, including inflammatory response and oxidative stress. The present study aimed to evaluate the protective effects of nobiletin on LPS/GalN‑induced acute liver injury. Male C57BL/6 mice were intraperitoneally treated with nobiletin (50, 100 and 200 mg/kg) 2 h prior to LPS/GalN injection...
November 15, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27876011/nivolumab-associated-acute-glomerulonephritis-a-case-report-and-literature-review
#11
Kyungsuk Jung, Xu Zeng, Marijo Bilusic
BACKGROUND: Immune checkpoint inhibitors are changing the landscape of oncology treatment as they are significantly improving treatment for multiple malignancies. Nivolumab, an anti-programmed death 1 antibody, is a US Food and Drug Administration-approved treatment for melanoma, non-small cell lung cancer, and kidney cancer but can result in a spectrum of autoimmune side effects. Adverse effects can occur within any organ system in the body including the colon, lung, liver, endocrine systems, or kidneys...
November 22, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27875571/short-and-long-term-mortality-rates-of-elderly-acute-kidney-injury-patients-who-underwent-continuous-renal-replacement-therapy
#12
Harin Rhee, Keum Sook Jang, Jong Man Park, Jin Suk Kang, Na Kyoung Hwang, Il Young Kim, Sang Heon Song, Eun Young Seong, Dong Won Lee, Soo Bong Lee, Ihm Soo Kwak
BACKGROUND: The world's population is aging faster and the incidence of acute kidney injury (AKI) needing continuous renal replacement therapy (CRRT) is increasing in elderly population. The outcome of AKI needing CRRT in elderly patients is known to be poor. However, the definitions of elderly used in the previous literatures were diverse and, there were few data that compared the long-term mortality rates of these patients with middle aged patients. This study was aimed to evaluate this issue...
2016: PloS One
https://www.readbyqxmd.com/read/27874233/induction-of-hepatocyte-like-cells-from-human-umbilical-cord-derived-mesenchymal-stem-cells-by-defined-micrornas
#13
Xia Zhou, Lina Cui, Xinmin Zhou, Qiong Yang, Lu Wang, Guanya Guo, Yu Hou, Weile Cai, Zheyi Han, Yongquan Shi, Ying Han
Generating functional hepatocyte-like cells (HLCs) from mesenchymal stem cells (MSCs) is of great urgency for bio-artificial liver support system (BALSS). Previously, we obtained HLCs from human umbilical cord-derived MSCs by overexpressing seven microRNAs (HLC-7) and characterized their liver functions in vitro and in vivo. Here, we aimed to screen out the optimal miRNA candidates for hepatic differentiation. We sequentially removed individual miRNAs from the pool and examined the effect of transfection with remainder using RT-PCR, periodic acid-Schiff (PAS) staining and low-density lipoprotein (LDL) uptake assays and by assessing their function in liver injury models...
November 22, 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/27872855/partial-portal-vein-arterialization-attenuates-acute-bile-duct-injury-induced-by-hepatic-dearterialization-in-a-rat-model
#14
Jun Jiang, Jishu Wei, Junli Wu, Wentao Gao, Qiang Li, Kuirong Jiang, Yi Miao
Hepatic infarcts or abscesses occur after hepatic artery interruption. We explored the mechanisms of hepatic deprivation-induced acute liver injury and determine whether partial portal vein arterialization attenuated this injury in rats. Male Sprague-Dawley rats underwent either complete hepatic arterial deprivation or partial portal vein arterialization, or both. Hepatic ischemia was evaluated using biochemical analysis, light microscopy, and transmission electron microscopy. Hepatic ATP levels, the expression of hypoxia- and inflammation-associated genes and proteins, and the expression of bile transporter genes were assessed...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27872680/downregulation-of-glutathione-biosynthesis-contributes-to-oxidative-stress-and-liver-dysfunction-in-acute-kidney-injury
#15
Yue Shang, Yaw L Siow, Cara K Isaak, Karmin O
Ischemia-reperfusion is a common cause for acute kidney injury and can lead to distant organ dysfunction. Glutathione is a major endogenous antioxidant and its depletion directly correlates to ischemia-reperfusion injury. The liver has high capacity for producing glutathione and is a key organ in modulating local and systemic redox balance. In the present study, we investigated the mechanism by which kidney ischemia-reperfusion led to glutathione depletion and oxidative stress. The left kidney of Sprague-Dawley rats was subjected to 45 min ischemia followed by 6 h reperfusion...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27871159/-acute-kidney-injury-in-cirrhotic-patients-with-portal-hypertension
#16
REVIEW
So Mi Kim, Il Han Song
Acute kidney injury (AKI) is one of the most common manifestations encountered in clinical practice. It is associated with high morbidity and mortality in cirrhotic pre- and post-transplantation patients. Hepatorenal syndrome (HRS), a special form of AKI in cirrhotic patients, was recognized as a consequence of renal vasoconstriction from systemic/renal hemodynamic alterations developed in advanced cirrhosis with portal hypertension. Recently, multiple factors-such as infection/inflammation, underlying glomerulonephritis, bile cast, or increased abdominal pressure-have been considered to contribute to renal dysfunction in cirrhotic patients, which were presumed to induce HRS...
November 25, 2016: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/27866976/protective-effect-of-rosiglitazone-against-acetaminophen-induced-acute-liver-injury-is-associated-with-down-regulation-of-hepatic-nadph-oxidases
#17
Jun-Xian Wang, Cheng Zhang, Lin Fu, Da-Gang Zhang, Bi-Wei Wang, Zhi-Hui Zhang, Yuan-Hua Chen, Yan Lu, Xi Chen, De-Xiang Xu
The peroxisome proliferator-activated receptor gamma (PPAR-γ) is a ligand-activated nuclear receptor that regulates glucose and lipid metabolism. The aim of the present study was to investigate the effects of rosiglitazone (RSG), a synthetic PPAR-γ agonist, on acetaminophen (APAP)-induced acute liver injury. Male CD-1 mice were injected with APAP (300mg/kg). Some mice were pretreated with RSG (20mg/kg) 48, 24 and 1h before APAP injection. As expected, RSG pretreatment alleviated APAP-induced acute liver injury...
November 17, 2016: Toxicology Letters
https://www.readbyqxmd.com/read/27865854/obeticholic-acid-protects-against-carbon-tetrachloride-induced-acute-liver-injury-and-inflammation
#18
Da-Gang Zhang, Cheng Zhang, Jun-Xian Wang, Bi-Wei Wang, Hua Wang, Zhi-Hui Zhang, Yuan-Hua Chen, Yan Lu, Li Tao, Jian-Qing Wang, Xi Chen, De-Xiang Xu
The farnesoid X receptor (FXR) is a ligand-activated transcription factor that plays important roles in regulating bile acid homeostasis. The aim of the present study was to investigate the effects of obeticholic acid (OCA), a novel synthetic FXR agonist, carbon tetrachloride (CCl4)-induced acute liver injury. Mice were intraperitoneally injected with CCl4 (0.15ml/kg). In CCl4+OCA group, mice were orally with OCA (5mg/kg) 48, 24 and 1h before CCl4. As expected, hepatic FXR was activated by OCA. Interestingly, OCA pretreatment alleviated CCl4-induced elevation of serum ALT and hepatic necrosis...
November 16, 2016: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/27864895/the-postreperfusion-syndrome-is-associated-with-acute-kidney-injury-following-donation-after-brain-death-liver-transplantation
#19
Marit Kalisvaart, Jubi E de Haan, Dennis A Hesselink, Wojciech G Polak, Bettina E Hansen, Jan N M IJzermans, Diederik Gommers, Herold J Metselaar, Jeroen de Jonge
Acute kidney injury (AKI) is frequently observed after DBD liver transplantation (LT) and associated with impaired recipient survival and chronic kidney disease. Hepatic ischemia/reperfusion injury (IRI) is suggested to be an important factor in this process. The postreperfusion syndrome (PRS) is the first manifestation of severe hepatic IRI directly after reperfusion. We performed a retrospective study on the relation between hepatic IRI and PRS and their impact on AKI in 155 DBD LT recipients. Severity of hepatic IRI was measured by peak postoperative AST levels and PRS was defined as >30% decrease in MAP ≥1 minute <5 minutes after reperfusion...
November 19, 2016: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/27862262/different-effects-of-selective-%C3%AE-1-adrenoceptor-antagonists-nebivolol-or-atenolol-in-acetaminophen-induced-heptatotoxicity-of-rats
#20
Remon R Rofaeil, Maha Yehia Kamel, Walaa Yehia Abdelzaher
Acetaminophen (APAP) overdose is a common cause of acute liver failure and beta blockers are commonly used drugs in clinical practice. This study aims to evaluate the effect of two different beta blockers agents as nebivolol and atenolol against APAP-induced hepatotoxicity. Male wistar rats were treated with APAP (2 g/kg/day, p.o.) to induce hepatotoxicity. Our results showed that nebivolol and atenolol reduced heart rate and blood pressure. Nebivolol (5 mg/kg /day, p.o.) for 14 days has a hepatoprotective effect shown by significant decrease in hepatic injury parameters (serum AST and ALT) with significant suppression of hepatic malondialdehyde (MDA) and nitric oxide (NO) which were elevated with APAP administration...
November 14, 2016: Fundamental & Clinical Pharmacology
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