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https://www.readbyqxmd.com/read/28910354/differential-impact-of-the-dual-ccr2-ccr5-inhibitor-cenicriviroc-on-migration-of-monocyte-and-lymphocyte-subsets-in-acute-liver-injury
#1
Tobias Puengel, Oliver Krenkel, Marlene Kohlhepp, Eric Lefebvre, Tom Luedde, Christian Trautwein, Frank Tacke
A hallmark of acute hepatic injury is the recruitment of neutrophils, monocytes and lymphocytes, including natural killer (NK) or T cells, towards areas of inflammation. The recruitment of leukocytes from their reservoirs bone marrow or spleen into the liver is directed by chemokines such as CCL2 (for monocytes) and CCL5 (for lymphocytes). We herein elucidated the impact of chemokine receptor inhibition by the dual CCR2 and CCR5 inhibitor cenicriviroc (CVC) on the composition of myeloid and lymphoid immune cell populations in acute liver injury...
2017: PloS One
https://www.readbyqxmd.com/read/28887915/hepatoprotective-naphthalene-diglucoside-from-neanotis-wightiana-aerial-parts
#2
Niranjan Das, Atanas G Atanasov, Prashanta Kumar Deb, Andrei Mocan, Seyed Mohammad Nabavi, Ranjib Ghosh, Biswanath Dinda
BACKGROUND: Neanotis wightiana (Wall. ex Wight & Arn) W.H. Lewis has been used in traditional medicine in India for the treatment of liver disorders. In fact, this plant is frequently used by the local people of Tripura for the treatment of liver disorder problems. In previous study on this plant we have isolated a hepatoprotective saponin, neanoside A. PURPOSE: Evaluation of in vivo hepatoprotective effects of isolated compounds from N. wightiana aerial parts on serum hepatic-biomarkers in CCl4- induced hepatotoxicity in rats to validate the traditional use of the plant...
September 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28874845/m2-like-macrophages-in-the-fibrotic-liver-protect-mice-against-lethal-insults-through-conferring-apoptosis-resistance-to-hepatocytes
#3
Li Bai, Xin Liu, Qingfen Zheng, Ming Kong, Xiaohui Zhang, Richard Hu, Jinli Lou, Feng Ren, Yu Chen, Sujun Zheng, Shuang Liu, Yuan-Ping Han, Zhongping Duan, Stephen J Pandol
Acute injury in the setting of liver fibrosis is an interesting and still unsettled issue. Most recently, several prominent studies have indicated the favourable effects of liver fibrosis against acute insults. Nevertheless, the underlying mechanisms governing this hepatoprotection remain obscure. In the present study, we hypothesized that macrophages and their M1/M2 activation critically involve in the hepatoprotection conferred by liver fibrosis. Our findings demonstrated that liver fibrosis manifested a beneficial role for host survival and apoptosis resistance...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28874840/uplc-q-tof-ms-based-metabonomic-studies-on-the-intervention-effects-of-aspirin-eugenol-ester-in-atherosclerosis-hamsters
#4
Ning Ma, Yajun Yang, Xiwang Liu, Xiaojun Kong, Shihong Li, Zhe Qin, Zenghua Jiao, Jianyong Li
Based on the pro-drug principle, aspirin and eugenol were used to synthesize aspirin eugenol ester (AEE) by esterification reaction. In present study, the anti-atherosclerosis effects of AEE were investigated in hamsters with the utilization of metabonomic approach based on UPLC-Q-TOF/MS. Biochemical parameters and histopathological injures in stomach, liver and aorta were evaluated. In atherosclerotic hamster, oral administration of AEE normalized biochemical profile such as reducing TG, TCH and LDL, and significantly reduced body weight gain, alleviated hepatic steatosis and improved pathological lesions in aorta...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28867641/a-comparison-of-the-management-of-blunt-splenic-injury-in-children-and-young-people-a-new-south-wales-population-based-retrospective-study
#5
Susan E Adams, Andrew Holland, Julie Brown
The importance and safety of non-operative management (NOM) of Blunt Splenic Injury (BSI) has been established in children and adults over recent decades. However, studies have shown higher operation rates in adults. There is international evidence that when children are managed in adult centres, operation rates are higher while adolescents in paediatric centres, are operated on in line with paediatric guidelines. This difference between children and young adults, and the factors responsible, have not been examined in New South Wales (NSW)...
August 14, 2017: Injury
https://www.readbyqxmd.com/read/28855777/characteristics-and-management-of-blunt-renal-injury-in-children
#6
Yuichi Ishida, Alan H Tyroch, Nader Emami, Susan F McLean
BACKGROUND: Renal trauma in the pediatric population is predominately due to blunt mechanism of injury. Our purpose was to determine the associated injuries, features, incidence, management, and outcomes of kidney injuries resulting from blunt trauma in the pediatric population in a single level I trauma center. METHODS: This was a retrospective chart and trauma registry review of all pediatric blunt renal injuries at a regional level I trauma center that provides care to injured adults and children...
July 2017: Journal of Emergencies, Trauma, and Shock
https://www.readbyqxmd.com/read/28855398/targeting-the-vascular-and-perivascular-niches-as-a-regenerative-therapy-for-lung-and-liver-fibrosis
#7
Zhongwei Cao, Tinghong Ye, Yue Sun, Gaili Ji, Koji Shido, Yutian Chen, Lin Luo, Feifei Na, Xiaoyan Li, Zhen Huang, Jane L Ko, Vivek Mittal, Lina Qiao, Chong Chen, Fernando J Martinez, Shahin Rafii, Bi-Sen Ding
The regenerative capacity of lung and liver is sometimes impaired by chronic or overwhelming injury. Orthotopic transplantation of parenchymal stem cells to damaged organs might reinstate their self-repair ability. However, parenchymal cell engraftment is frequently hampered by the microenvironment in diseased recipient organs. We show that targeting both the vascular niche and perivascular fibroblasts establishes "hospitable soil" to foster the incorporation of "seed," in this case, the engraftment of parenchymal cells in injured organs...
August 30, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28851955/circulating-endothelial-cell-derived-extracellular-vesicles-mediate-the-acute-phase-response-and-sickness-behaviour-associated-with-cns-inflammation
#8
Yvonne Couch, Naveed Akbar, Jay Roodselaar, Matthew C Evans, Chris Gardiner, Ian Sargent, Ignacio A Romero, Adrian Bristow, Alastair M Buchan, Norman Haughey, Daniel C Anthony
Brain injury elicits a systemic acute-phase response (APR), which is responsible for co-ordinating the peripheral immunological response to injury. To date, the mechanisms responsible for signalling the presence of injury or disease to selectively activate responses in distant organs were unclear. Circulating endogenous extracellular vesicles (EVs) are increased after brain injury and have the potential to carry targeted injury signals around the body. Here, we examined the potential of EVs, isolated from rats after focal inflammatory brain lesions using IL-1β, to activate a systemic APR in recipient naïve rats, as well as the behavioural consequences of EV transfer...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28843717/variables-associated-with-pulmonary-thromboembolism-in-injured-patients-a-systematic-review
#9
Ryan Shuster, Joseph Mathew, Alexander Olaussen, Dashiell Gantner, Dinesh Varma, Jim Koukounaras, Mark C Fitzgerald, Peter A Cameron, Biswadev Mitra
BACKGROUND: Pulmonary thromboembolism (PTE) is a dangerous complication of traumatic injury, with varied risk profiles and treatment options. This review aims to describe reported incidence and variables associated with PTE among severely injured patients. METHODS: Searches were conducted using PubMed, Cochrane and MEDLINE. Relevant studies were identified by two independent reviewers based on predetermined inclusion criteria. Incidence of PTE was the primary outcome measure...
August 18, 2017: Injury
https://www.readbyqxmd.com/read/28838022/-characteristics-and-treatment-strategies-for-penetrating-injuries-on-the-example-of-gunshot-and-blast-victims-without-ballistic-body-armour-in-afghanistan-2009%C3%A2-%C3%A2-2013
#10
Christoph Güsgen, Arnulf Willms, Ines Richardsen, Dan Bieler, Erwin Kollig, Robert Schwab
Much like other countries, Germany has recently seen terrorist attacks being planned, executed or prevented at the last minute. This highlights the need for expertise in the treatment of penetrating torso traumas by bullets or explosions. Data on the treatment of firearm injuries and, even more so, blast injuries often stems from crises or war regions. However, it is difficult to compare injuries from such regions with injuries from civilian terrorist attacks due to the ballistic body protection (protective vests, body armour) worn by soldiers...
August 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28836201/isolation-and-culture-of-primary-murine-hepatic-stellate-cells
#11
Sabine Weiskirchen, Carmen G Tag, Sibille Sauer-Lehnen, Frank Tacke, Ralf Weiskirchen
Hepatic stellate cells (HSCs) are found in the perisinusoidal space of the liver (i.e., the space of Dissé). They represent 5-8% of the total number of liver cells. In normal liver, these cells have a quiescent phenotype and are characterized by numerous fat vacuoles that store vitamin A in a form of retinyl ester. In injured liver, these cells transdifferentiate into a myofibroblast phenotype, become highly proliferative and are responsible for excess collagen synthesis and deposition during fibrosis. Due to their exceptional pathophysiological relevance, several isolation and purification protocols of primary HSCs have been established that provide the basis for studying HSC biology in vitro...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28812283/hydrodynamic-rupture-of-liver-in-combat-patient-a-case-of-successful-application-of-damage-control-tactic-in-area-of-the-hybrid-war-in-east-ukraine
#12
Igor Khomenko, Vitalii Shapovalov, Ievgen Tsema, Georgii Makarov, Roman Palytsia, Ievgen Zavodovskyi, Ivan Ishchenko, Andrii Dinets, Vladimir Mishalov
BACKGROUND: The hybrid war of Russia against Ukraine has been started in certain districts of Donetsk and Luhansk oblasts within the Donbas area in 2014. CASE PRESENTATION: We report a clinical case of a combat patient who was injured after the multiple launcher rocket system "Grad" shelling, diagnosed with hydrodynamic liver rupture followed by medical management with application of damage control (DC) tactic in conditions of hybrid war. The patient underwent relaparatomy, liver resection, endoscopic papillosphincterotomy, endoscopic retrograde cholecystopancreatography, stenting of the common bile duct, and VAC-therapy...
August 15, 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28807057/inhibitory-effects-of-hnf4%C3%AE-on-migration-maltransformation-of-hepatic-progenitors-hnf4%C3%AE-overexpressing-hepatic-progenitors-for-liver-repopulation
#13
Ping Wang, Min Cong, Tianhui Liu, Hufeng Xu, Lin Wang, Guangyong Sun, Aiting Yang, Dong Zhang, Jian Huang, Yameng Sun, Wenshan Zhao, Hong Ma, Jidong Jia, Hong You
BACKGROUND: Although they are expandable in vitro, hepatic progenitors are immature cells and share many immunomarkers with hepatocellular carcinoma, raising potential concerns regarding maltransformation after transplantation. This study investigated the effects of hepatic nuclear factor (HNF) 4α on the proliferation, migration, and maltransformation of hepatic progenitors and determined the feasibility of using these manipulated cells for transplantation. METHODS: The effects of HNF4α on rat hepatic progenitors (i...
August 14, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28807032/liquid-chromatography-mass-spectrometry-based-profiling-of-phosphatidylcholine-and-phosphatidylethanolamine-in-the-plasma-and-liver-of-acetaminophen-induced-liver-injured-mice
#14
Ya-Nan Ming, Jing-Yi Zhang, Xiao-Lin Wang, Chun-Min Li, Si-Cong Ma, Zheng-Yang Wang, Xiao-Lin Liu, Xiao-Bo Li, Yi-Min Mao
BACKGROUND: Acetaminophen (APAP) overdose is one of the most common causes of acute liver failure in many countries. The aim of the study was to describe the profiling of phosphatidylcholine (PC) and phosphatidylethanolamine (PE) in the plasma and liver of Acetaminophen -induced liver injured mice. METHODS: A time course study was carried out using C57BL/6 mice after intraperitoneal administration of 300 mg/kg Acetaminophen 1 h, 3 h, 6 h, 12 h and 24 h. A high-throughput liquid chromatography mass spectrometry (LC-MS) lipidomic method was utilized to detect phosphatidylcholine and phosphatidylethanolamine species in the plasma and liver...
August 14, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28754860/atiqctpc-targeting-mmp-9-a-key-step-to-slowing-primary-tumor-growth-and-inhibiting-metastasis-of-lewis-lung-carcinoma-in-vivo
#15
Yuji Wang, Xinyi Xu, Ce Song, Jianhui Wu, Xi Hu, Haimei Zhu, Xiaoyi Zhang, Yaonan Wang, Lin Gui, Ming Zhao, Shiqi Peng
In this study we docked (6S)-3-acetyl-4-oxo-N-(2-(3,4,5,6-zetrahydroxytetrahydro-2H-pyran-2-carboxamido)ethyl)-4,6,7,12-tetrahydroindolo[2,3-a]quinolizine-6-carbo-xamide (ATIQCTPC) towards the active site of MMP-9, and showed that ATIQCTPC was able to effectively decrease the level of MMP-9 in the serum and the primary tumor of Lewis lung carcinoma (LLC) implanted C57BL/6 mice. As a MMP-9 inhibitor, ATIQCTPC inhibited the metastasis of LLC, and slowed the growth of the primary tumor of LLC implanted C57BL/6 in mice...
July 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28749819/engraftment-and-repopulation-potential-of-late-gestation-fetal-rat-hepatocytes
#16
Joan M Boylan, Heather Francois-Vaughan, Philip A Gruppuso, Jennifer A Sanders
BACKGROUND: The limited availability of donor organs has led to a search for alternatives to liver transplantation to restore liver function and bridge patients to transplantation. We have shown that the proliferation of late gestation (embryonic day 19; ED19) fetal rat hepatocytes is mitogen-independent, and that mechanisms regulating of mRNA translation, cell cycle progression and gene expression differ from those of adult rat hepatocytes. In the present study, we investigated whether E19 fetal hepatocytes can engraft and repopulate an injured adult liver...
July 27, 2017: Transplantation
https://www.readbyqxmd.com/read/28748390/mir-27b-3p-mir-181a-1-3p-and-mir-326-5p-are%C3%A2-involved-in-the-inhibition-of-macrophage-activation-in-chronic-liver-injury
#17
Weiyang Li, Na Chang, Lei Tian, Jingjing Yang, Xiaofang Ji, Jieshi Xie, Lin Yang, Liying Li
Macrophages are central players in inflammation, which leads to liver injury. It has been reported that continuous macrophage activation initiates this process. Our previous data show that the anti-inflammatory factor, 15-deoxy-Δ(12, 14)-prostaglandin J2 (15d-PGJ2), inhibits bone marrow (BM)-derived macrophage (BMM) migration and inflammatory cytokine production. However, the underlying mechanism of 15d-PGJ2 inhibited BMM activation is still unclear. Here, we evaluate the role of 15d-PGJ2/PPARγ axis in BMM activation...
July 26, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28735528/lipids-evergreen-autofluorescent-biomarkers-for-the-liver-functional-profiling
#18
Anna Cleta Croce, Giovanni Bottiroli
Depending on their chemical nature, lipids can be classified in two main categories: hydrophilic, greatly contributing to membrane composition and subcellular organelle compartmentalization, and hydrophobic, mostly triglycerides, greatly enrolled in the storage and production of energy. In both cases, some lipid molecules can be involved as signaling agents in the regulation of metabolism and protective or damaging pathways in responses to harmful stimuli. These events could affect in particular the liver, because of its central role in the maintenance of lipid homeostasis...
June 1, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28729838/detection-of-emodin-derived-glutathione-adduct-in-normal-rats-administered-with-large-dosage-of-polygoni-multiflori-radix
#19
Li-Long Jiang, Dong-Sheng Zhao, Ya-Xi Fan, Qiong Yu, Ping Li, Hui-Jun Li
Polygoni Multiflori Radix (PMR) has been commonly used as a tonic in China for centuries. PMR-associated hepatotoxicity has been drawing increasingly more attention in recent years in parallel with its wide utilization. Anthraquinones (AQs) are recognized as the main hepatotoxic components in PMR. However, the exact underlying mechanism of AQs poisoning is still not fully understood. Herein, we proposed a hypothesis that metabolic activation of AQs such as emodin was involved in PMR-induced liver injury, AQs followed to generate the electrophilic reactive metabolites and subsequently formed covalent adduct with cellular nucleophiles in the liver to exert hepatotoxicity...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28724577/in-situ-expansion-of-engineered-human-liver-tissue-in-a-mouse-model-of-chronic-liver-disease
#20
Kelly R Stevens, Margaret A Scull, Vyas Ramanan, Chelsea L Fortin, Ritika R Chaturvedi, Kristin A Knouse, Jing W Xiao, Canny Fung, Teodelinda Mirabella, Amanda X Chen, Margaret G McCue, Michael T Yang, Heather E Fleming, Kwanghun Chung, Ype P de Jong, Christopher S Chen, Charles M Rice, Sangeeta N Bhatia
Control of both tissue architecture and scale is a fundamental translational roadblock in tissue engineering. An experimental framework that enables investigation into how architecture and scaling may be coupled is needed. We fabricated a structurally organized engineered tissue unit that expanded in response to regenerative cues after implantation into mice with liver injury. Specifically, we found that tissues containing patterned human primary hepatocytes, endothelial cells, and stromal cells in a degradable hydrogel expanded more than 50-fold over the course of 11 weeks in mice with injured livers...
July 19, 2017: Science Translational Medicine
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