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https://www.readbyqxmd.com/read/28817400/liver-xenotransplantation
#1
Madhukar S Patel, Nathan Louras, Parsia A Vagefi
PURPOSE OF REVIEW: There continues to be an inadequate organ supply and lack of effective temporary support, for patients with liver failure. The purpose of this review is to discuss recent progress in the field of orthotopic pig-to-nonhuman primate (NHP) liver xenotransplantation (LXT). RECENT FINDINGS: From 1968 to 2012, survival in pig-to-NHP LXT was limited to 9 days, initially due to hyperacute rejection which has been ameliorated through use of genetically engineered donor organs, but ultimately because of profound thrombocytopenia, thrombotic microangiopathy, and bleeding...
August 16, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28816212/scrub-typhus-a-prospective-observational-study-during-an-outbreak-in-rajasthan-india
#2
Rajendra Prasad Takhar, Moti Lal Bunkar, Savita Arya, Nitin Mirdha, Arif Mohd
BACKGROUND: Scrub typhus, a potentially fatal rickettsial infection, is common in India. It usually presents with acute febrile illness along with multi-organ involvement caused by Orientia tsutsugamushi. As there was an outbreak of scrub typhus in the Hadoti region of Rajasthan and there is a paucity of data from this region, we studied this entity to describe the diverse epidemiological, clinico-radiological, laboratory parameters and outcome profile of patients with scrub typhus in a tertiary care hospital...
March 2017: National Medical Journal of India
https://www.readbyqxmd.com/read/28815091/-spice-synthetic-marijuana-induced-acute-myocardial-infarction-a-case-series
#3
E Ul Haq, A Shafiq, A A Khan, A A Awan, S Ezad, W J Minteer, B Omar
Marijuana is the most widely abused "recreational" substance in the United States, with highest prevalence in young adults. It is reported to cause ischemic strokes, hepatitis, anxiety, and psychosis. Although it is associated with dose dependent tachycardia and can lead to coronary vasospasm, it has not been directly related to acute myocardial infarction (AMI). Marijuana induced coronary vasospasm can result in endothelial denudation at the site of a vulnerable atherosclerotic plaque in response to hemodynamic stressors, potentially causing an AMI...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28814517/zinc-salts-block-hepatitis-e-virus-replication-by-inhibiting-the-activity-of-viral-rna-dependent-rna-polymerase
#4
Nidhi Kaushik, Chandru Subramani, Saumya Anang, Rajagopalan Muthumohan, Shalimar, Baibaswata Nayak, C T Ranjith-Kumar, Milan Surjit
Hepatitis E virus (HEV) causes an acute, self limiting hepatitis in normal individuals and leads to chronic disease in immunocompromised individuals. HEV infection in pregnant women results in a more severe outcome, with the mortality rate going upto 30%. Though the virus usually causes sporadic infection, epidemics have been reported in developing and resource starved countries. No specific anti-viral exists against HEV. A combination of interferon and ribavirin therapy has been used to control the disease with some success...
August 16, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28814273/add-on-neurological-benefits-of-antiviral-therapy-in-hcv-patients-with-chronic-kidney-disease-a-nationwide-cohort-study
#5
Ming-Shyan Lin, Tien-Hsing Chen, Wey-Yil Lin, Chi-Hung Liu, Yung-Yu Hsieh, Wen-Nan Chiu, Chih-Hsiang Chang, Mei-Yen Chen, Chang-Min Chung, Yu-Sheng Lin
BACKGROUND: Hepatitis C virus (HCV)-infected patients with chronic kidney disease (CKD) have rarely been studied because they rarely accept interferon-based therapy (IBT) and have been difficult to follow up. We investigated long-term outcomes of IBT on the population. METHODS: This population-based cohort study used the Taiwan National Health Insurance Research Database as its data source. HCV patients diagnosed with CKD between Jan. 1, 2003, and Dec. 31, 2013, were selected...
August 16, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28813731/a-case-of-fulminant-hepatic-failure-secondary-to-congestive-heart-failure-without-evidence-of-acute-cardiac-decompensation
#6
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/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/28811694/estimation-of-upper-limit-of-normal-for-serum-alanine-transaminase-in-healthy-south-indian-population
#8
Pazhanivel Mohan, Varun Sundar, Emmanuel Bhaskar, Syluvai Anthony
Alanine aminotransferase (ALT) is the most common and cost effective screening test for asymptomatic liver disease. There is paucity of data on normal ALT among healthy individuals in India. An observational cross sectional study was conducted from January to July 2013 to estimate the upper limit of normal for ALT in healthy south Indian population. Adults undergoing voluntary or pre-employment health screening were included. Those with current and past alcoholism or smoking, acute illness or hospitalization during preceding 12 months, non-steroidal anti-inflammatory or over the counter medication use within a month, current or past intake of herbal medications, any chronic medical illness, abnormal body mass index (BMI), fatty liver in ultrasound, abnormality in haemoglobin, platelet count, blood sugar, creatinine, lipid profile and thyroid function test and positive serology (Hepatitis B, C or HIV) were excluded...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28809733/circulating-levels-of-pentraxin-3-ptx3-in-patients-with-liver-cirrhosis
#9
Janaína L Narciso-Schiavon, Jéssica G Pereira, Telma Erotides Silva, Emília T O Bansho, Edelton F Morato, José T Pinheiro, Letícia Muraro-Wildner, Maria Luiza Bazzo, Esther Buzaglo Dantas-Corrêa, Leonardo L Schiavon
BACKGROUND: Despite the circulating levels of PTX3 were related to the severity of various diseases, there are no studies investigating its role in patients with liver cirrhosis. We aimed to study PTX3 levels in patients with liver cirrhosis. MATERIAL AND METHODS: A prospective cohort study included 130 patients hospitalized for acute decompensation of liver cirrhosis, 29 stable cirrhotic outpatients and 32 healthy controls evaluated in a tertiary hospital in Southern Brasil...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28807594/thyroid-hormone-receptor-beta-agonist-gc-1-inhibits-met-%C3%AE-catenin-driven-hepatocellular-cancer
#10
Elisabetta Puliga, Qian Min, Junyan Tao, Rong Zhang, Tirthadipa Pradhan-Sundd, Minakshi Poddar, Sucha Singh, Amedeo Columbano, Jinming Yu, Satdarshan P Monga
The thyromimetic agent GC-1 induces hepatocyte proliferation via Wnt/β-catenin signaling and may promoting regeneration in both acute and chronic liver insufficiencies. However, β-catenin activation particularly due to mutations in CTNNB1 is seen in a subset of hepatocellular carcinomas (HCC). Thus, it will be critical to address any effect of GC-1 on HCC growth and development, before its use can be advocated to stimulate regeneration in chronic liver diseases. In the current study, we first examine the effect of GC-1 on β-catenin-TCF4 activity in HCC cell lines harboring wild-type or mutated-CTNNB1...
August 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28807236/overcoming-barriers-to-treating-iron-overload-in-patients-with-lower-risk-myelodysplastic-syndrome
#11
REVIEW
Amer M Zeidan, Vinod A Pullarkat, Rami S Komrokji
Myelodysplastic syndromes (MDS) constitute a group of heterogeneous hematopoietic neoplasms characterized by ineffective erythropoiesis, anemia, and/or cytopenias. Supportive care for patients with MDS involves frequent red blood cell transfusions, which places patients with ongoing transfusional dependence (TD) at risk for iron overload (IO). Development of IO and tissue iron deposition can increase the risk of cardiac, hepatic, and endocrine toxicities, infection, and progression to acute myeloid leukemia...
September 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28806965/decreased-circulating-dihomo-gamma-linolenic-acid-levels-are-associated-with-total-mortality-in-patients-with-acute-cardiovascular-disease-and-acute-decompensated-heart-failure
#12
Shohei Ouchi, Tetsuro Miyazaki, Kazunori Shimada, Yurina Sugita, Megumi Shimizu, Azusa Murata, Takao Kato, Tatsuro Aikawa, Shoko Suda, Tomoyuki Shiozawa, Masaru Hiki, Shuhei Takahashi, Takatoshi Kasai, Katsumi Miyauchi, Hiroyuki Daida
BACKGROUND: Polyunsaturated fatty acids (PUFAs) have important roles in the pathogenesis of cardiovascular diseases. However, the clinical significance of omega-6 PUFAs in acute cardiovascular disease remains unknown. METHODS: We enrolled 417 consecutive patients with acute cardiovascular disease admitted to the cardiac intensive care unit at Juntendo University Hospital between April 2012 and October 2013. We investigated the association between serum PUFA levels and long-term mortality...
August 14, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28806621/traumatic-common-hepatic-artery-injury-causing-isolated-right-hepatic-ischemia-due-to-a-left-accessory-artery-a-case-report
#13
Eduardo Fernandes, Corrado Pedrazzani, Marielia Gerena, Ellen Omi
INTRODUCTION: Hepatic arterial liver flow is renowned for its redundancy. Previous studies have demonstrated that the common hepatic artery is not essential for liver survival. We present a case of a 31year-old involved in a high-speed motor vehicle accident whose liver survived thanks to the presence of an accessory hepatic artery. PRESENTATON OF THE CASE: We present the case of a 31year-old male who sustained a traumatic injury of the proper hepatic artery following a motor vehicle accident...
August 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28805579/nonmotor-manifestations-of-wilson-s-disease
#14
Samar Biswas, Neelanjana Paul, Shyamal K Das
Wilson disease (WD) is an autosomal genetic disorder characterized by excessive copper deposition initially in liver (hepatic variant) followed by brain (neuropsychiatric variant) and other organs such as cornea and kidney due to defect in biliary copper excretion. Predominant presentations of neuropsychiatric variant are extrapyramidal motor dysfunctions such as dystonias, Parkinsonism, choreoathetosis, tremor, and ataxias. Nonmotor symptoms (NMS) can appear before clinical disease expression and during ongoing disease process...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28804705/possible-involvement-of-liver-resident-macrophages-kupffer-cells-in-the-pathogenesis-of-both-intrahepatic-and-extrahepatic-inflammation
#15
Yuki Kakinuma, Takuya Kimura, Yoshifumi Watanabe
Liver resident macrophages designated Kupffer cells (KCs) form the largest subpopulation of tissue macrophages. KCs are involved in the pathogenesis of liver inflammation. However, the role of KCs in the systemic inflammation is still elusive. In this study, we examined whether KCs are involved in not only intrahepatic inflammation but also extrahepatic systemic inflammation. Administration of clodronate liposomes resulted in the KC deletion and in the suppression of liver injury in T cell-mediated hepatitis by ConA as a local acute inflammation model, while the treatment did not influence dextran sulfate sodium- (DSS-) induced colitis featured by weight loss, intestinal shrink, and pathological observation as an ectopic local acute inflammation model...
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28804248/effect-of-chronic-hepatitis-c-virus-treatment-by-combination-therapy-on-cardiovascular-system
#16
Reda Biomy, Mohamed Abdelshafy, Ahmed Abdelmonem, Hesham Abu-Elenin, George Ghaly
BACKGROUND: The prevalence of hepatitis C virus (HCV) in Egypt is quite high, and the combined oral direct-acting antiviral agents (DAAs) may have impressive results. OBJECTIVE: To assess the cardiovascular effects of DAAs in patients with HCV. METHODS: A total of 170 patients with HCV were divided into 2 groups: first group (100 patients) received triple combination therapy (pegylated interferon alfa, sofosbuvir, and ribavirin, whereas the second group (70 patients) received dual combination therapy (sofosbuvir and simeprevir)...
2017: Clinical Medicine Insights. Cardiology
https://www.readbyqxmd.com/read/28803824/the-clinical-spectrum-of-hepatic-manifestations-in-chronic-lymphocytic-leukemia
#17
REVIEW
Natalia Kreiniz, Ofrat Beyar Katz, Aaron Polliack, Tamar Tadmor
Chronic lymphocytic leukemia (CLL) is the most common leukemia in the Western world, characterized by the presence of long-lived circulating leukemic cells in the peripheral blood that may infiltrate all organs, particularly those of the reticulo-endothelial system. Liver enlargement and elevation of liver enzymes related to specific involvement by the underlying disease are well-recognized features in these patients. In CLL, the differential diagnosis of liver disorders is broad and includes liver infiltration by leukemic cells, immunologic manifestations associated with CLL, primary and secondary hepatic malignancies, drug-induced hepatotoxicity, infections, and Richter transformation...
July 23, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28802559/absence-of-subchronic-oral-toxicity-and-genotoxicity-of-rice-koji-with-aspergillus-terreus
#18
Jun-Won Yun, Seung-Hyun Kim, Yun-Soon Kim, Ji-Ran You, Eun-Young Cho, Jung-Hee Yoon, Euna Kwon, Sang Ju Lee, Seong Pil Kim, Jae Hoon Seo, Jae Pyung In, Jae Hun Ahn, Ja-June Jang, Jin-Sung Park, Jeong-Hwan Che, Byeong-Cheol Kang
Koji products have been considered as an effective fermented food consumed in East Asia with many health benefits. Particularly, rice koji with Aspergillus terreus (RAT) has been reported to be able to prevent hyperlipidemia and hepatic steatosis through regulating cholesterol synthesis. Despite its biological activities, there is a lack of comprehensive information to give an assurance of its safety. Therefore, the objective of this study was to perform a series of toxicological studies (repeated dose oral toxicity and genotoxicity) according to test guidelines published by the Organization for Economic Cooperation and Development...
August 9, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28801775/plasticizers-and-bisphenol-a-in-packaged-foods-sold-in-the-tunisian-markets-study-of-their-acute-in-vivo-toxicity-and-their-environmental-fate
#19
Asma Beltifa, Anouar Feriani, Monia Machreki, Asma Ghorbel, Lakhdar Ghazouani, Giuseppa Di Bella, Joris Van Loco, Tim Reyns, Hedi Ben Mansour
Today, processed and packaged foods are considered as among the major sources of human exposure to plasticizers and bisphenol which migrate from plastic packing. In the present study, a wide range of food products sold on the Tunisian market such as grain and grain products, milk and dairy products, fats and oil, drink, fish, and sweets have been analyzed firstly in order to identify the presence of phthalates and bisphenol. Then, the identified chemical molecules were studied for their environmental fate and tested in vivo for its toxicity in mice models...
August 12, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28801579/tnf%C3%AE-induced-up-regulation-of-na-k-2cl-cotransporter-nkcc1-in-hepatic-ammonia-clearance-and-cerebral-ammonia-toxicity
#20
Vitaly I Pozdeev, Elisabeth Lang, Boris Görg, Hans J Bidmon, Prashant V Shinde, Gerald Kircheis, Diran Herebian, Klaus Pfeffer, Florian Lang, Dieter Häussinger, Karl S Lang, Philipp A Lang
The devastating consequences of hepatic failure include hepatic encephalopathy, a severe, life threatening impairment of neuronal function. Hepatic encephalopathy is caused by impaired hepatic clearance of NH4(+). Cellular NH4(+) uptake is accomplished mainly by the Na(+),K(+),2Cl(-) cotransporter. Here we show that hepatic clearance of NH4(+) is impaired in TNFα deficient as well as TNFR1&TNFR2 double knockout mice, which both develop hyperammonemia. Despite impaired hepatic clearance of NH4(+), TNFα deficient mice and TNFR1 deficient mice were protected against acute ammonia intoxication...
August 11, 2017: Scientific Reports
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