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https://www.readbyqxmd.com/read/28813771/hepatic-adenoma-a-case-report
#1
Hasan H Turaihi, Thavam C Thambi-Pillai
Although liver lesions in the young population are relatively rare, clinicians can benefit from being familiar with a subset of common benign liver lesions which include hepatic adenoma, hepatic hemangioma, and focal nodular hyperplasia. This a case report of a 25-year-old Jehovah's Witness female on chronic oral contraception for polycystic ovarian syndrome who presented with progressive right upper quadrant abdominal pain. Ultrasound and MRI findings were consistent with hepatic adenoma. A description of her clinical work up followed by a brief description of the surgical intervention is discussed...
March 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28813745/laparoscopic-treatment-of-a-pyogenic-hepatic-abscess-caused-by-transmural-duodenal-perforation-of-a-toothpick
#2
Hassan Turaihi, Jed Assam, Justin Zanfes, Thavam Thambi-Pillai
The development of pyogenic hepatic abscess resulting from perforation of the gastrointestinal tract is a rare pathologic finding. It is a condition that can be fatal making early detection and subsequent removal of the inciting foreign body critical to avoid more deleterious sequela. Yet, its initial presentation tends to be nonspecific and typically is only discovered once surgical investigation into the cause of persisting abscess formation is performed. In this study, laparoscopic treatment of a 52-year-old male with a non-resolving hepatic abscess due to transmural gastrointestinal perforation of a toothpick is presented...
August 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28813731/a-case-of-fulminant-hepatic-failure-secondary-to-congestive-heart-failure-without-evidence-of-acute-cardiac-decompensation
#3
Kalyan Wagle, Oluwaseun A Akinseye, Prakash Shrestha, Madhuri Chandnani, Raiko Munankarmi, Vivian Ripin, Jimmy Yee
There are so far only a few reported cases of acute fulminant hepatic failure resulting from acute cardiomyopathy. This is a rare occurrence, especially in patients that do not exhibit any signs and symptoms of acute cardiac decompensation. We report a case of fulminant liver failure with nondiagnostic work up for the common causes of liver failure. This patient had concurrent history of congestive heart failure, but did not have acute decompensation. Right upper quadrant sonogram revealed hepatomegaly of 15 cm, trace amount of perihepatic ascites, pericholecystic fluid, and also thickened edematous gallbladder wall with no stones, no common bile duct stones, and no portal vein thrombosis...
April 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28813662/a-liver-capsular-network-of-monocyte-derived-macrophages-restricts-hepatic-dissemination-of-intraperitoneal-bacteria-by-neutrophil-recruitment
#4
Frederic Sierro, Maximilien Evrard, Simone Rizzetto, Michelle Melino, Andrew J Mitchell, Manuela Florido, Lynette Beattie, Shaun B Walters, Szun Szun Tay, Bo Lu, Lauren E Holz, Ben Roediger, Yik Chun Wong, Alessandra Warren, William Ritchie, Claire McGuffog, Wolfgang Weninger, David G Le Couteur, Florent Ginhoux, Warwick J Britton, William R Heath, Bernadette M Saunders, Geoffrey W McCaughan, Fabio Luciani, Kelli P A MacDonald, Lai Guan Ng, David G Bowen, Patrick Bertolino
The liver is positioned at the interface between two routes traversed by pathogens in disseminating infection. Whereas blood-borne pathogens are efficiently cleared in hepatic sinusoids by Kupffer cells (KCs), it is unknown how the liver prevents dissemination of peritoneal pathogens accessing its outer membrane. We report here that the hepatic capsule harbors a contiguous cellular network of liver-resident macrophages phenotypically distinct from KCs. These liver capsular macrophages (LCMs) were replenished in the steady state from blood monocytes, unlike KCs that are embryonically derived and self-renewing...
August 15, 2017: Immunity
https://www.readbyqxmd.com/read/28813660/neutralizing-antibody-responses-to-viral-infections-are-linked-to-the-non-classical-mhc-class-ii-gene-h2-ob
#5
Lisa K Denzin, Aly A Khan, Francesca Virdis, Jessica Wilks, Melissa Kane, Helen A Beilinson, Stanislav Dikiy, Laure K Case, Derry Roopenian, Michele Witkowski, Alexander V Chervonsky, Tatyana V Golovkina
Select humans and animals control persistent viral infections via adaptive immune responses that include production of neutralizing antibodies. The precise genetic basis for the control remains enigmatic. Here, we report positional cloning of the gene responsible for production of retrovirus-neutralizing antibodies in mice of the I/LnJ strain. It encodes the beta subunit of the non-classical major histocompatibility complex class II (MHC-II)-like molecule H2-O, a negative regulator of antigen presentation. The recessive and functionally null I/LnJ H2-Ob allele supported the production of virus-neutralizing antibodies independently of the classical MHC haplotype...
August 15, 2017: Immunity
https://www.readbyqxmd.com/read/28813612/role-of-zinc-oxide-nanoparticles-in-alleviating-hepatic-fibrosis-and-nephrotoxicity-induced-by-thioacetamide-in-rats
#6
Samir Ae Bashandy, Abdulaziz Alaamer, Sherif Abdelmawgoud Moussa, Enayat Omara
The present research studied the influence of zinc oxide nanoparticles (ZnO-NPs; 5mg, 7.5mg, 10 mg/Kg IP) on the liver and kidney injuries motivated by thioacetamide (TAA; 100mg/Kg IP).Each treatment was carried out three times weekly for eight weeks .ZnO-NPs relieved the decrease of hepatic or renal reduced glutathione (GSH), catalase (CAT) and superoxide dismutase (SOD) induced by TAA. Moreover, ZnO-NPs lowered tissues malondialdehyde (MDA, an indicator for lipid peroxidation). TAA treatment led to a significant increase in plasma inflammatory markers (TNF-α, IL-6), liver enzymes (Gamma-glutamyltransferase (GGT), Aspartate aminotransferase (AST), Alanine aminotransferase (ALT) and kidney function parameters (Creatinine, urea, uric acid)...
August 16, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28813500/telomere-biology-and-telomerase-mutations-in-cirrhotic-patients-with-hepatocellular-carcinoma
#7
Flávia S Donaires, Natália F Scatena, Raquel M Alves-Paiva, Joshua D Podlevsky, Dhenugen Logeswaran, Barbara A Santana, Andreza C Teixeira, Julian J-L Chen, Rodrigo T Calado, Ana L C Martinelli
Telomeres are repetitive DNA sequences at linear chromosome termini, protecting chromosomes against end-to-end fusion and damage, providing chromosomal stability. Telomeres shorten with mitotic cellular division, but are maintained in cells with high proliferative capacity by telomerase. Loss-of-function mutations in telomere-maintenance genes are genetic risk factors for cirrhosis development in humans and murine models. Telomerase deficiency provokes accelerated telomere shortening and dysfunction, facilitating genomic instability and oncogenesis...
2017: PloS One
https://www.readbyqxmd.com/read/28813453/metabolomics-reveals-that-vine-tea-ampelopsis-grossedentata-prevents-high-fat-diet-induced-metabolism-disorder-by-improving-glucose-homeostasis-in-rats
#8
Wenting Wan, Baoping Jiang, Le Sun, Lijia Xu, Peigen Xiao
BACKGROUND: Vine tea (VT), derived from Ampelopsis grossedentata (Hand.-Mazz.) W.T. Wang, is an alternative tea that has been consumed widely in south China for hundreds of years. It has been shown that drinking VT on a daily basis improves hyperlipidemia and hyperglycemia. However, little is known about the preventive functions of VT for metabolic dysregulation and the potential pathological mechanisms involved. This paper elucidates the preventive effects of VT on the dysregulation of lipid and glucose metabolism using rats maintained on a high-fat-diet (HFD) in an attempt to explain the potential mechanisms involved...
2017: PloS One
https://www.readbyqxmd.com/read/28813448/a-prospective-comparative-assessment-of-the-accuracy-of-the-fibroscan-in-evaluating-liver-steatosis
#9
Baek Gyu Jun, Won Young Park, Eui Ju Park, Jae Young Jang, Soung Won Jeong, Sae Hwan Lee, Sang Gyune Kim, Sang-Woo Cha, Young Seok Kim, Young Deok Cho, Hong Soo Kim, Boo Sung Kim, So Young Jin, Suyeon Park
BACKGROUND/AIMS: Recent studies have demonstrated the utility of the FibroScan® device in diagnosing liver steatosis, but its usefulness has not been thoroughly appraised. We investigated the usefulness of the controlled attenuation parameter (CAP) in detecting and quantifying liver steatosis. METHODS: A prospective analysis was applied to 79 chronic liver disease patients who underwent a liver biopsy, a FibroScan investigation, ultrasonography, and hepatic steatosis index (HSI)...
2017: PloS One
https://www.readbyqxmd.com/read/28813370/chronic-systemic-toxicity-study-of-copper-intrauterine-devices-in-female-wistar-rats
#10
Xia Zhao, Qian Liu, Haixiang Sun, Yali Hu, Zhaoxu Wang
BACKGROUND The aim of this study was to evaluate the chronic systemic and local toxicity of a copper intrauterine device in a rat model. MATERIAL AND METHODS Cu-IUD fragments were inserted into the uterine horns of female Wistar rats for 26 weeks (equivalent 15.42-17.33 years in humans). We tested copper at 20, 40, and 60 times the clinical dosages to study copper toxicity under severe conditions. Classic chronic systemic toxicity evaluations, including body weight, hematology, organ coefficient, and tissue reactions, were performed...
August 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28813200/brain-microstructural-abnormalities-in-patients-with-cirrhosis-without-overt-hepatic-encephalopathy-a-voxel-based-diffusion-kurtosis-imaging-study
#11
Hua-Jun Chen, Peng-Fei Liu, Qiu-Feng Chen, Hai-Bin Shi
OBJECTIVE: This study aimed to investigate whole-brain microstructural abnormalities and their correlation with cognitive impairment in patients with cirrhosis using diffusion kurtosis imaging (DKI). SUBJECTS AND METHODS: Eighteen patients with cirrhosis and 17 healthy control subjects underwent DKI. Cognition was measured using psychometric hepatic encephalopathy (HE) scores. Whole-brain voxel-based analyses were performed to investigate between-group differences in DKI-derived parameters, including mean kurtosis, axial kurtosis, and radial kurtosis...
August 16, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28813196/hepatic-parenchymal-heterogeneity-as-a-marker-for-oxaliplatin-induced-sinusoidal-obstruction-syndrome-correlation-with-treatment-response-of-colorectal-cancer-liver-metastases
#12
Na Yeon Han, Beom Jin Park, Kyung Sook Yang, Min Ju Kim, Deuk Jae Sung, Ki Choon Sim, Sung Bum Cho
OBJECTIVE: The objective of our study was to evaluate the influence of oxaliplatin-based chemotherapy (OBC)-induced hepatic parenchymal heterogeneity detected on contrast-enhanced CT scans on response of liver metastasis. We chose to study hepatic parenchymal heterogeneity on the basis of the assumption that hepatic parenchymal heterogeneity may indicate the presence of chemotherapy-induced sinusoidal obstruction syndrome (SOS). MATERIALS AND METHODS: For this retrospective study, 104 patients with hepatic metastases from colorectal cancer (male-female ratio, 66:38; age range, 20-80 years) who had undergone OBC and serial CT studies were consecutively registered...
August 16, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28812994/organ-organ-crosstalk-and-alcoholic-liver-disease
#13
REVIEW
Lauren G Poole, Christine E Dolin, Gavin E Arteel
Alcohol consumption is a common custom worldwide, and the toxic effects of alcohol on several target organs are well-understood. Given the poor prognosis of treating clinically-relevant alcoholic liver disease (ALD) (i.e., alcoholic hepatitis (AH) and cirrhosis), additional research is required to develop more effective therapies. While the stages of ALD have been well-characterized, targeted therapies to prevent or reverse this process in humans are still needed. Better understanding of risk factors and mechanisms underlying disease progression can lead to the development of rational therapies to prevent or reverse ALD in the clinic...
August 16, 2017: Biomolecules
https://www.readbyqxmd.com/read/28812869/entry-inhibitors-a-perspective-for-prevention-of-hepatitis-c-virus-infection-in-organ-transplantation
#14
Che C Colpitts, Raymond T Chung, Thomas F Baumert
Entry inhibitors are emerging as an attractive class of therapeutics for hepatitis C virus (HCV) infection. Entry inhibitors target either virion-associated factors or cellular factors necessary for infection. By blocking entry into cells, entry inhibitors prevent both the establishment of persistent reservoirs and the emergence of resistant variants during viral replication. Furthermore, entry inhibitors protect naïve cells from virus-induced alterations. Combining entry inhibitors with direct-acting antivirals (DAAs) may therefore improve treatment outcomes, particularly in the context of organ transplantation...
August 16, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28812576/docosahexaenoic-acid-enrichment-in-nafld-is-associated-with-improvements-in-hepatic-metabolism-and-hepatic-insulin-sensitivity-a-pilot-study
#15
L Hodson, L Bhatia, E Scorletti, D E Smith, N C Jackson, F Shojaee-Moradie, M Umpleby, P C Calder, C D Byrne
This corrects the article DOI: 10.1038/ejcn.2017.9.
August 16, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28812426/the-expression-of-etar-in-liver-cirrhosis-and-liver-cancer
#16
Juhong Deng, Yu Huang, Ran Tao, Xiangxue Fan, Hongyue Zhang, Hongyan Kong, Qiqing Song, Jiaquan Huang
BACKGROUND: To investigate the expression of endothelin receptors in liver diseases and discuss its role in the process of liver cirrhosis and liver cancer. RESEARCH DESIGN AND METHODS: We examined the expressions of ETAR, ETBR and α-SMA in tissue samples using western blotting analysis. Furthermore, immunofluorescence was used to locate ETAR expression in hepatic stellate cells (HSCs) and hepatic sinusoidal endothelial cells (HSECs), we calculated the percentage of positive cells and then analyzed its relation with clinical indexes...
August 16, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28812343/xanthohumol-suppresses-mylip-idol-gene-expression-and-modulates-ldlr-abundance-and-activity-in-hepg2-cells
#17
Shih-Fen Chen, Pei-Yi Chen, Hao-Jen Hsu, Ming-Jiuan Wu, Jui-Hung Yen
Xanthohumol, a prenylated flavonoid found in hops (Humulus lupulus L.), exhibits multiple biological activities such as anti-atherosclerosis and hypolipidemic activities. In this study, we aim to investigate the hypocholesterolemic effects and molecular mechanisms of xanthohumol in hepatic cells. We found that xanthohumol (10 and 20 μM) increased the amount of cell-surface low-density lipoprotein receptor (LDLR) from 100.0 ± 2.1% to 115.0±1.3% and 135.2±2.7%, and enhanced the LDL uptake activity from 100...
August 16, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28812179/a-hybrid-co-culture-model-with-endothelial-cells-designed-for-the-hepatic-tissue-engineering
#18
Xiaoning Yang, Xin Wang, Xiaobo Huang, Ruiqiang Hang, Xiangyu Zhang, Bin Tang
The cultured hepatic cells in vitro are prone to losing their characteristic morphologies and biological functions. To avoid this problem, a hybrid co-culture system was proposed to elucidate the effect of cellular communication on the phenotype of hepatic cells. A monolayer of endothelial cells (ECs) was co-cultured on the surface of a three-dimensional (3D) scaffold embedded with HepG2 cells. In this hybrid co-culture system, the growth of encapsulated hepatic cells is barely influenced by the co-cultured ECs...
August 10, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28812136/clinical-outcomes-of-y90-radioembolization-for-recurrent-hepatocellular-carcinoma-following-curative-resection
#19
Rehan Ali, Ahsun Riaz, Ahmed Gabr, Nadine Abouchaleh, Ronald Mora, Ali Al Asadi, Juan Carlos Caicedo, Michael Abecassis, Nitin Katariya, Haripriya Maddur, Laura Kulik, Robert J Lewandowski, Riad Salem
PURPOSE: To assess safety/efficacy of yttrium-90 radioembolization (Y90) in patients with recurrent hepatocellular carcinoma (HCC) following curative surgical resection. METHODS: With IRB approval, we searched our prospectively acquired database for patients that were treated with Y90 for recurrent disease following resection. Baseline characteristics and bilirubin toxicities following Y90 were evaluated. Intention-to-treat overall survival (OS) and time-to-progression (TTP) from Y90 were assessed...
August 15, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28812008/evaluation-of-adrenal-function-in-nonhospitalized-patients-with-cirrhosis
#20
Maryam Moini, Mitra Yazdani Sarvestani, Mesbah Shams, Masood Nomovi
BACKGROUND: Patients with cirrhosis and advancing hepatic insufficiency may show various degrees of other organ malfunction, including brain, kidney, and lung. Several studies have also shown a high prevalence of adrenal insufficiency in cirrhotic patients that may cause hemodynamic instability. MATERIALS AND METHODS: In this study we prospectively evaluated adrenal function in a population of nonhospitalized cirrhotic patients. Categorization of liver disease severity was done according to model for end-stage liver disease (MELD) score...
2017: Canadian Journal of Gastroenterology & Hepatology
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