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https://www.readbyqxmd.com/read/29156788/modulation-of-hif-1%C3%AE-and-stat3-signaling-contributes-to-anti-angiogenic-effect-of-yc-1-in-mice-with-liver-fibrosis
#1
Tzung-Yan Lee, Yann-Lii Leu, Chorng-Kai Wen
Hypoxia has been shown to have a role in the pathogenesis of several forms of liver disease. The aim of the study was to evaluate the mechanisms of HIF-1α inhibitor, YC-1, during bile duct ligation (BDL)-induced liver fibrosis in mice. Liver fibrosis was induced in mice, and YC-1 was then given intraperitoneally (50 mg/kg) once daily following 5 days. Liver injuries mice that were treated with YC-1 showed improved inflammatory response and diminished angiogenesis and hepatic fibrosis. YC-1 treatment inhibited liver neutrophil infiltration, while a decreased in TNF-α signaling as well as macrophage aggregation...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156721/a-hemoglobin-based-oxygen-carrier-sensitized-cisplatin-based-chemotherapy-in-hepatocellular-carcinoma
#2
Xiang Qi, Bing L Wong, Sze Hang Lau, Kevin Tak-Pan Ng, Sui Yi Kwok, Chris Kin-Wai Sun, Fei Chuen Tzang, Yan Shao, Chang Xian Li, Wei Geng, Chang Chun Ling, Yuen Yuen Ma, Xiao Bing Liu, Hui Liu, Jiang Liu, Wai Ho Yeung, Chung Mau Lo, Kwan Man
Background and Objective: Our previous study showed that liver graft injury not only promotes tumor recurrence, but also induces chemoresistance in recurrent HCC after liver transplantation. Recently, we found that the hemoglobin-based oxygen carrier"YQ23" significantly ameliorates hepatic IR injury and prevent tumor recurrence. Here, we intended to explore the novel therapeutic strategy using oxygen carrier "YQ23"to sensitize chemotherapy in HCC. Methods: To investigate the role of YQ23 combined with Cisplatin, the proliferation of HCC cells was examined under combined treatment by MTT and colony formation...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156683/shycd-induces-ape1-ref-1-subcellular-localization-to-regulate-the-p53-apoptosis-signaling-pathway-in-the-prevention-and-treatment-of-acute-on-chronic-liver-failure
#3
Jianxin Diao, Haiye Li, Wei Huang, Wenxiao Ma, Huan Dai, Yawei Liu, Ming Wang, He Yu Hua, Jinying Ou, Xiaomin Sun, Xuegang Sun, Yungao Yang
Background & Aims: San huang yin chi decoction(SHYCD) is derived from the yin chen hao decoction, a well-known and canonical Chinese medicine formula from the "Treatise on Febrile Diseases". Over the past decade, SHYCD has been used to treat and prevent the liver cirrhosis and liver failure. In the present study, we investigated the effects of SHYCD for acute on chronic liver failure(ACLF) and explored its potential mechanism. an ACLF rat model, which induced by carbon tetrachloride (CCl4) combined with D-galactosamine (D-GalN) and lipopolysaccharide(LPS), was used and confirmed by B-ultrasound analysis...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156655/the-role-of-glyoxalase-i-glo-i-advanced-glycation-endproducts-ages-and-their-receptor-rage-in-chronic-liver-disease-and-hepatocellular-carcinoma-hcc
#4
REVIEW
Marcus Hollenbach
Glyoxalase-I (Glo-I) and glyoxalase-II (Glo-II) comprise the glyoxalase system and are responsible for the detoxification of methylglyoxal (MGO). MGO is formed non-enzymatically as a by-product, mainly in glycolysis, and leads to the formation of advanced glycation endproducts (AGEs). AGEs bind to their receptor, RAGE, and activate intracellular transcription factors, resulting in the production of pro-inflammatory cytokines, oxidative stress, and inflammation. This review will focus on the implication of the Glo-I/AGE/RAGE system in liver injury and hepatocellular carcinoma (HCC)...
November 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156532/paclitaxel-alleviated-liver-injury-of-septic-mice-by-alleviating-inflammatory-response-via-microrna-27a-tab3-nf-%C3%AE%C2%BAb-signaling-pathway
#5
Qiu Yang, Dongshan Zhang, Ya Li, Yongquan Li, Yinpeng Li
Excessive inflammatory response and apoptosis play an important role in the sepsis-induced liver injury. Paclitaxel, a diterpene alkaloid of Taxus brevifolia, is widely used as an anti-tumor drug and shows protective effects on acute lung and kidney injury. However, whether it has a protective effect against sepsis-induced liver injury has not been reported. The objective of this study was to investigate the protective effects of paclitaxel in septic liver injury in mice and associated molecular mechanisms...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156406/target-catalyzed-hairpin-assembly-and-metal-organic-frameworks-mediated-nonenzymatic-co-reaction-for-multiple-signal-amplification-detection-of-mir-122-in-human-serum
#6
Yuliang Li, Chao Yu, Bo Yang, Zhirui Liu, Peiyuan Xia, Qian Wang
Herein, a new type of multifunctional iron based metal-organic frameworks (PdNPs@Fe-MOFs) has been synthesized by assembly palladium nanoparticles on the surface of Fe-MIL-88NH2 MOFs microcrystals, and first applied in electrochemical biosensor for ultrasensitive detection of microRNA-122 (miR-122, a biomarker of drug-induced liver injury). The nanohybrids have not only been utilized as ideal nanocarriers for immobilization of signal probes, but also used as redox probes and electrocatalysts. In this biosensor, two hairpin probes were designed as capture probes and signal probes, respectively...
November 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29156155/leukotriene-b4-indicates-lung-injury-and-on-going-inflammatory-changes-after-severe-trauma-in-a-porcine-long-term-model
#7
Philipp Störmann, Birgit Auner, Lukas Schimunek, Rafael Serve, Klemens Horst, Tim-P Simon, Roman Pfeifer, Kernt Köhler, Frank Hildebrand, Sebastian Wutzler, Hans-Christoph Pape, Ingo Marzi, Borna Relja
BACKGROUND: Recognizing patients at risk for pulmonary complications (PC) is of high clinical relevance. Migration of polymorphonuclear leukocytes (PMN) to inflammatory sites plays an important role in PC, and is tightly regulated by specific chemokines including interleukin (IL)-8 and other mediators such as leukotriene (LT)B4. Previously, we have reported that LTB4 indicated early patients at risk for PC after trauma. Here, the relevance of LTB4 to indicating lung integrity in a newly established long-term porcine severe trauma model (polytrauma, PT) was explored...
December 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/29156049/management-of-pregnant-women-and-children-focusing-on-preventing-mother-to-infant-transmission
#8
Huey-Ling Chen, Wan-Hsin Wen, Mei-Hwei Chang
Hepatitis B virus (HBV) immunization has been effectively preventing chronic HBV infection with >90% efficacy in countries with universal neonatal immunization. Perinatal mother-to-infant transmission of HBV remains the major cause of chronic HBV infection despite immunization. Maternal hepatitis B e-antigen (HBeAg) and high viral load have been noted to be the most important risk factors for transmission. In recent years, short-term antiviral therapy for pregnant women in the third trimester has been shown to be highly effective in reducing 90% of vaccine failure in children...
November 16, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29156047/immunopathogenesis-of-hepatitis-b-virus
#9
Tai-Chung Tseng, Li-Rung Huang
Chronic hepatitis B virus (HBV) infection is a global public health issue. There are >250 million people chronically infected with HBV, and these chronic carriers are at high risk of developing end-stage liver diseases and hepatocellular carcinoma. Patients with chronic hepatitis B (CHB) usually acquire the virus perinatally, while most patients infected during adulthood develop acute hepatitis B (AHB), which usually results in viral clearance. HBV infection is noncytopathic, and liver injury is mostly contributed by host immune responses...
November 16, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29156019/the-aspartate-transaminase-alanine-transaminase-deritis-ratio-predicts-mid-term-mortality-and-renal-and-respiratory-dysfunction-after-left-ventricular-assist-device-implantation
#10
Kevin Pilarczyk, Henning Carstens, Jens Heckmann, Ali Canbay, Achim Koch, Nikolaus Pizanis, Heinz Jakob, Markus Kamler
OBJECTIVES: Preoperative liver dysfunction is a well-known risk factor for adverse events after major surgery. However, there is only little data regarding the precise role of the Model of End-Stage Liver Disease (MELD) score and the De Ritis ratio (DRR, alanine transaminase/aspartate aminotransferase) as a predictor for outcome after left ventricular assist device (LVAD) implantation. METHODS: A retrospective analysis of all patients undergoing LVAD implantation at our institution between January 2012 and August 2014 was performed...
October 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29155898/protective-effect-of-malva-sylvestris-l-extract-in-ischemia-reperfusion-induced-acute-kidney-and-remote-liver-injury
#11
Houshang Najafi, Zeynab Mohamadi Yarijani, Saeed Changizi-Ashtiyani, Kamran Mansouri, Masoud Modarresi, Seyed Hamid Madani, Bahar Bastani
Mallow (Malva sylvestris L.) has had medicinal and therapeutic uses in addition to its oral consumption. The present study was conducted to examine the protective effect of Malva sylvestris L. extract on ischemia-reperfusion-induced kidney injury and remote organ injuries in the liver. Before ischemia-reperfusion, rats in the different groups received intraperitoneal normal saline or mallow extract at the doses of 200, 400 or 600 mg/kg of body weight. After 30-minutes of bilateral renal ischemia followed by 24-hours of reperfusion, tissue damage in the kidney and liver samples were determined through studying H&E-stained slides under a light microscope...
2017: PloS One
https://www.readbyqxmd.com/read/29155718/the-murine-choline-deficient-ethionine-supplemented-cde-diet-model-of-chronic-liver-injury
#12
Jully Gogoi-Tiwari, Julia Köhn-Gaone, Corey Giles, Dirk Schmidt-Arras, Francis D Gratte, Caryn L Elsegood, Geoffrey W McCaughan, Grant A Ramm, John K Olynyk, Janina E E Tirnitz-Parker
Chronic liver diseases, such as viral hepatitis, alcoholic liver disease, or non-alcoholic fatty liver disease, are characterized by continual inflammation, progressive destruction and regeneration of the hepatic parenchyma, liver progenitor cell proliferation, and fibrosis. The end-stage of every chronic liver disease is cirrhosis, a major risk factor for the development of hepatocellular carcinoma. To study processes regulating disease initiation, establishment, and progression, several animal models are used in laboratories...
October 21, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29154963/macrophage-scavenger-receptor-1-contributes-to-pathogenesis-of-fulminant-hepatitis-via-neutrophil-mediated-complement-activation
#13
Yuan Tang, Huifang Li, Junru Li, Yunzhi Liu, Yanli Li, Jing Zhou, Jia Zhou, Xiao Lu, Wei Zhao, Jinlin Hou, Xiang-Yang Wang, Zhengliang Chen, Daming Zuo
BACKGROUND & AIMS: The macrophage scavenger receptor 1 (Msr1, also called SRA)is a pattern recognition receptor primarily expressed on myeloid cells, playing an important role in the maintenance of immune homeostasis. Since MSR1 expression was up-regulated in the livers of patients with fulminant hepatitis (FH), we investigated the functional mechanism of Msr1 as related to FH pathogenesis. METHODS: Msr1-deficient (Msr1(-/-)) mice and their wild-type (WT) littermates were infected with mouse hepatitis virus strain-A59 (MHV-A59) to induce FH, and the levels of tissue damage, serum alanine aminotransferase (ALT), inflammatory cytokines and complement C5a were measured and compared...
November 14, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/29152660/therapeutic-effects-of-stat3-inhibition-by-nifuroxazide-on-murine-acute-graft-graft-vs-host-disease-old-drug-new-use
#14
Huijie Jia, Jing Cui, Xiaolong Jia, Jingjing Zhao, Yuchen Feng, Peijuan Zhao, Dan Zang, Jian Yu, Tiesuo Zhao, Hui Wang, Kailin Xu
Graft‑vs.‑host disease (GvHD) is a major and lethal complication of allogeneic bone marrow transplantation (allo‑BMT). Although great development has been made, the treatment progress of this disorder is slow. Research has illustrated that STAT3 was critical for T cell alloactivation in GvHD. In the present study, the authors hypothesized that nifuroxazide, as the STAT3 inhibitor, treatment may attenuate the development of acute GvHD (aGvHD). The results demonstrated that nifuroxazide suppressed the development of aGvHD and significantly delayed aGvHD‑induced lethality...
October 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29152604/crosstalk-of-lkb1-and-pten-regulated-signals-in-liver-morphogenesis-and-tumor-development
#15
Chengyou Jia, Vivian Medina, Chenchang Liu, Lina He, Daohai Qian, Tu Taojian, Curtis T Okamoto, Bangyan L Stiles
Liver kinase B 1 (LKB1 or STK11) and PTEN (phosphatase and tensin homologue deleted on chromosome 10) are two tumor suppressors that regulate the mTOR signaling pathway. Deletion studies show that loss of either Lkb1 (Lkb(+/-) ) or Pten (Pten(loxP/loxP); Alb-Cre(+) ) leads to liver injury and development of hepatocarcinoma. In this study, we investigated the crosstalk of LKB1 and PTEN loss during tumorigenesis and liver development. We show here that haplo-insufficiency of Lkb1 in the liver leads to advanced tumor development in the Pten null mice (Pten(loxP/loxP); Lkb(loxP/+); Alb-Cre(+) )...
April 2017: Hepatol Commun
https://www.readbyqxmd.com/read/29152143/therapeutic-hexapeptide-pgpipn-prevents-and-cures-alcoholic-fatty-liver-disease-by-affecting-the-expressions-of-genes-related-with-lipid-metabolism-and-oxidative-stress
#16
Nan Qi, Chen Liu, Haoran Yang, Wanrong Shi, Shenyi Wang, Yan Zhou, Cai Wei, Fang Gu, Yide Qin
PGPIPN is a therapeutic hexapeptide derived from bovine β-casein. Here we investigated the role and mechanism of this peptide on alcoholic fatty liver disease (AFLD). We took human hepatic cell line LO2 and hepatocellular carcinoma cell line HepG2 to establish the models of steatosis hepatocyte induced by alcohol, taken PGPIPN as pharmacological intervention. And we also established the model of AFLD mice, taken PGPIPN as therapeutic drug and glutathione (GSH) as positive control. We assayed the biochemical materials related to liver injury, lipid metabolism and oxidation, and observed morphology change and fat accumulation of hepatocyte...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29152040/ayurvedic-drug-induced-liver-injury
#17
Kunal K Dalal, Thomas Holdbrook, Steven R Peikin
Drug induced liver injury is responsible for 50% of acute liver failure in developed countries. Ayurvedic and homeopathic medicine have been linked to liver injury. This case describes the first documented case of Punarnava mandur and Kanchnar guggulu causing drug induced liver injury. Drug induced liver injury may be difficult to diagnosis, but use of multi-modalities tools including the ACG algorithms, causative assessment scales, histological findings, and imaging, is recommended. Advanced imaging, such as magnetic resonance cholangiopancreatography, may possibly have a greater role than previously reported in literature...
November 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/29151689/reabsorption-of-iron-into-acutely-damaged-rat-liver-a-role-for-ferritins
#18
Ihtzaz Ahmed Malik, Jörg Wilting, Giuliano Ramadori, Naila Naz
AIM: To studied iron metabolism in liver, spleen, and serum after acute liver-damage, in relation to surrogate markers for liver-damage and repair. METHODS: Rats received intraperitoneal injection of the hepatotoxin thioacetamide (TAA), and were sacrificed regularly between 1 and 96 h thereafter. Serum levels of transaminases and iron were measured using conventional laboratory assays. Liver tissue was used for conventional histology, immunohistology, and iron staining...
November 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29151501/the-efficacy-of-corticosteroid-therapy-in-a-patient-with-nonalcoholic-steatohepatitis-overlapping-autoimmune-hepatitis-a-case-report
#19
Takuya Komura, Hajime Ohta, Takuya Seike, Yoshiaki Shimizu, Ryotaro Nakai, Hitoshi Omura, Takashi Kagaya, Satomi Kasashima, Atsuhiro Kawashima, Sakae Oba, Kennichi Harada, Shuichi Kaneko, Masashi Unoura
The overlap of multiple liver diseases can cause the disease activity and severity to worsen rapidly in some cases. We rarely see patients with non-alcoholic steatohepatitis (NASH) with overlapping autoimmune hepatitis (AIH). A 64-year-old woman who had been prescribed oral drugs to treat diabetes and hypertension (metformin 500 mg/day and voglibose 0.9 mg/day, and termisartan 40 mg/day and amlodipine 5 mg/day, respectively) was diagnosed with NASH with histological confirmation. At 68 years of age, her liver injury worsened with an IgG of 2,871 mg/dL and a high serum anti-nuclear antibody (ANA) level of 2,560...
November 20, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29150843/liver-fibrosis-is-associated-with-cutaneous-inflammation-in-the-imiquimod-induced-murine-model-of-psoriasiform-dermatitis
#20
P Vasseur, M Pohin, J F Jégou, L Favot, N Venisse, J Mcheik, F Morel, J C Lecron, C Silvain
BACKGROUND: Psoriasis associates several extra-cutaneous manifestations. Little is known about hepatic parameters specifically associated with psoriasis. OBJECTIVE: To study whether psoriasiform dermatitis is associated with liver injury. METHODS: We studied liver parameters of inflammation and fibrosis in a murine model of psoriasiform dermatitis induced by topical application of imiquimod for nine weeks. RESULTS: Topical treatment with imiquimod induced a form of psoriasiform dermatitis reminiscent of the human disorder, characterized by thickened and scaly skin, psoriasiform epidermal hyperplasia, altered keratinocyte differentiation, and cutaneous overexpression of interleukin-17A...
November 18, 2017: British Journal of Dermatology
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