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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/28816587/dna-methylation-independent-growth-restriction-and-altered-developmental-programming-in-a-mouse-model-of-preconception-male-alcohol-exposure
#2
Richard C Chang, William M Skiles, S Chronister Sarah, Haiqing Wang, Gabrielle I Sutton, Yudhishtar S Bedi, Matthew Snyder, Charles R Long, Michael C Golding
The preconception environment is a significant modifier of dysgenesis and the development of environmentally-induced disease. To date, Fetal Alcohol Spectrum Disorders (FASDs) have been exclusively associated with maternal exposures, yet emerging evidence suggests male-inherited alterations in the developmental program of sperm may be relevant to the growth-restriction phenotypes of this condition. Using a mouse model of voluntary consumption, we find chronic preconception male ethanol exposure associates with fetal growth restriction, decreased placental efficiency, abnormalities in cholesterol trafficking, sex-specific alterations in the genetic pathways regulating hepatic fibrosis, and disruptions in the regulation of imprinted genes...
August 17, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/28815329/efficacy-and-safety-of-ledipasvir-sofosbuvir-with-ribavirin-in-chronic-hepatitis-c-patients-who-failed-daclatasvir-asunaprevir-therapy-pilot-study
#3
Yoshiiku Kawakami, Hidenori Ochi, Clair Nelson Hayes, Michio Imamura, Masataka Tsuge, Takashi Nakahara, Yoshio Katamura, Hiroshi Kohno, Hirotaka Kohno, Keiji Tsuji, Shintaro Takaki, Nami Mori, Yohji Honda, Keiko Arataki, Shoichi Takahashi, Shinsuke Kira, Toru Tamura, Kazunari Masuda, Toshio Nakamura, Masaya Kikkawa, Kazuaki Chayama
BACKGROUND: In Japan, daclatasvir (DCV) and asunaprevir (ASV) therapy was the first IFN-free treatment to be approved, and thousands of patients have since been successfully treated, with an SVR rate of around 90%. The converse, however, is that around 10% of patients fail to achieve viral eradication and must be retreated using a different approach. This study is to evaluate treatment efficacy of ledipasvir/sofosbuvir and ribavirin in patients who failed to respond to DCV and ASV therapy...
August 16, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28815106/automated-prediction-of-hepatic-arterial-stenosis
#4
Justin J Baraboo, Deendayal Dinakarpandian, Sherwin S Chan
Several thousand life-saving liver transplants are performed each year. One of the most common causes of early transplant failure is arterial stenosis of the anastomotic junction. Early detection of transplant arterial stenosis can help prevent transplant failure and the need to re-transplant. Doppler ultrasound is the most common screening method, but it suffers from poor specificity. Positive screening cases proceed to angiography which is an invasive and expensive procedure. A more accurate test could decrease the number of normal patients who would have to undergo this invasive diagnostic procedure...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28813731/a-case-of-fulminant-hepatic-failure-secondary-to-congestive-heart-failure-without-evidence-of-acute-cardiac-decompensation
#5
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/28810896/silencing-the-girdin-gene-enhances-radio-sensitivity-of-hepatocellular-carcinoma-via-suppression-of-glycolytic-metabolism
#6
Li Yu, Yifan Sun, Jingjing Li, Yan Wang, Yuxing Zhu, Yong Shi, Xiaojun Fan, Jianda Zhou, Ying Bao, Jie Xiao, Ke Cao, Peiguo Cao
BACKGROUND: Radiotherapy has been used increasingly to treat primary hepatocellular carcinoma. Clinically, the main cause of radiotherapy failure is cellular radioresistance, conferred via glycolytic metabolism. Our previous study demonstrated that Girdin is upregulated in primary hepatocellular carcinoma and promotes the invasion and metastasis of tumor cells. However, whether Girdin underlies the radio-sensitivity of hepatocellular carcinoma remains unclear. METHODS: A short hairpin RNA (shRNA) was used to silence CCDC88A (encoding Girdin), and real-time PCR was performed to determine CCDC88A mRNA expression...
August 15, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28810602/hepatitis-c-virus-associated-cryoglobulinemia-with-membrano-proliferative-glomerulonephritis-treated-with-prednisolone-and-interferon-a-case-report
#7
Qiao-Yan Guo, Man Wu, Yang-Wei Wang, Guang-Dong Sun
Hepatitis C virus (HCV) is a major cause of liver-associated morbidity and has an increasing prevalence worldwide. Hepatitis C virus infection may lead to chronic hepatitis, cirrhosis and liver failure. However, it is also associated with a wide range of extra-hepatic complications, such as cryoglobulinemia, an immune complex disease associated with cryoglobulin leading to multiple organ damage and, while the major symptom is vasculitis. The present study reported on a-58-year-old woman who was diagnosed with HCV-associated cryoglobulinemia with skin, kidney and blood system damage and biopsy-proven cryoglobulinemia membrano-proliferative glomerulonephritis...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809742/treatment-of-chronic-hcv-infection-with-the-new-direct-acting-antivirals-daa-first-report-of-a-real-world-experience-in-southern-brazil
#8
Hugo Cheinquer, Hoel Sette-Jr, Fernando H Wolff, Alexandre de Araujo, Silvia Coelho-Borges, Silvia R P Soares, Mauricio F A Barros
INTRODUCTION AND AIM: There is almost no data regarding the efficacy of direct acting antivirals (DAAs) therapy in Brazil. The aim of this historical cohort study is to describe the sustained virologic response (SVR) rate among real-world compensated chronic hepatitis C patients in three hepatology centers from Southern Brazil. MATERIALS AND METHODS: Patients were included if they had at least 12 weeks follow-up after the end of therapy. Patients that were lost to follow-up or had treatment prematurely interrupted for any reason were considered treatment failure in this intention to treat analysis...
August 8, 2017: Annals of Hepatology
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/28807250/a-systematic-review-on-radiofrequency-assisted-laparoscopic-liver-resection-challenges-and-window-to-excel
#10
REVIEW
Isabella Reccia, Jayant Kumar, Tomokazu Kusano, Artur Zanellato, Ahmed Draz, Duncan Spalding, Nagy Habib, Madhava Pai
Laparoscopic liver resection has progressively gained acceptance as a safe and effective procedure in the treatment of benign and malignant liver neoplasms. However, blood loss remains the major challenge in liver surgery. Several techniques and devices have been introduced in liver surgery in order to minimize intraoperative haemorrhage during parenchymal transection. Radiofrequency (RF)-assisted liver resection has been shown to be an effective method to minimize bleeding in open and laparoscopic liver resection...
September 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28807245/portal-vein-ligation-versus-portal-vein-embolization-for-induction-of-hypertrophy-of-the-future-liver-remnant-a-systematic-review-and-meta-analysis
#11
REVIEW
C J Isfordink, M Samim, M N G J A Braat, A M Almalki, J Hagendoorn, I H M Borel Rinkes, I Q Molenaar
An important risk of major hepatic resection is postoperative liver failure, which is directly related to insufficient future liver remnant (FLR). Portal vein embolization (PVE) and portal vein ligation (PVL) can minimize this risk by inducing hypertrophy of the FLR. The aim of this systematic review and meta-analysis was to compare the efficacy and safety of PVE and PVL for FLR hypertrophy. A systematic search was conducted on the17(th) of January 2017. The methodological quality of the studies was assessed using the Oxford Critical Appraisal Skills Program for cohort studies...
September 2017: Surgical Oncology
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/28804248/effect-of-chronic-hepatitis-c-virus-treatment-by-combination-therapy-on-cardiovascular-system
#13
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
#14
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/28801579/tnf%C3%AE-induced-up-regulation-of-na-k-2cl-cotransporter-nkcc1-in-hepatic-ammonia-clearance-and-cerebral-ammonia-toxicity
#15
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
https://www.readbyqxmd.com/read/28800923/-squamous-cell-carcinoma-associated-with-use-of-skin-lightening-cream
#16
O Faye, A-A Dicko, S Berthé, L Cissé, B Traoré, A Keita, Y Fofana, K Coulibaly, B Keita
BACKGROUND: Women widely use skin-lightening products for cosmetic purposes in sub-Saharan Africa despite numerous reported cutaneous and systemic complications. The occurrence of epidermoid carcinoma has long been reported, but only three cases have been published so far. We report the first case in Mali. PATIENTS AND METHODS: A 30-year old woman with no noteworthy medical history was seen at our outpatient center for cervical ulceration that had been present for the last 5 years...
August 8, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28798927/is-dengue-emerging-as-important-cause-of-acute-liver-failure-in-endemic-regions
#17
Lavleen Singh, Amitabh Singh, Mitali Agarwal, Sataroopa Mishra
Dengue virus infection continues to be major public health problem in large part of world. The epidemiology of dengue viral infection is becoming increasingly complex and has substantially changed over almost past six decades not only in terms of prevalent strains and geographical locations but also in terms of disease severity and atypical presentations. Though liver is the most common organ affected but is generally asymptomatic. We present a case of infant with severe dengue who died of fulminant hepatic failure and showed pan lobular necrosis on post mortem liver biopsy...
July 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28795995/toxic-myocarditis-caused-by-acetaminophen-in-a-multidrug-overdose
#18
Maxime Gosselin, Yann Dazé, Pascal Mireault, Marie Crahes
We report the case of an 18-year-old woman with personality disorders who was hospitalized a few hours after suicidal ingestion of acetaminophen, quetiapine, acetylsalicylic acid, and ethanol. Twelve hours after admission, severe liver damage was evident, but the patient was stable and awaiting hepatic transplantation. Electrolytes were successfully controlled. The condition of the liver stabilized. Cardiac biomarkers then deteriorated unexpectedly. Localized ST-segment elevations were noted on electrocardiogram, but angiography ruled out myocardial infarction...
August 9, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28795384/contribution-of-hepatobiliary-scintigraphy-in-assessing-alpps-most-suited-timing
#19
Stéphanie Truant, Clio Baillet, Anne Claire Deshorgue, Mehdi El Amrani, Damien Huglo, François-René Pruvot
To reduce post-hepatectomy liver failure (PHLF), associating liver partition and portal vein ligation for staged hepatectomy (ALPPS) has been recently developed for patients with a limited future remnant liver (FRL). Nevertheless, high morbi-mortality rates have been reported . The current study aimed to analyze the kinetics of FRL function in patients who were offered ALPPS. Serial SPECT (99 m)Tc-mebrofenin hepatobiliary scintigraphy (HBS) was performed in all patients before and after surgery as well as at inter-stage to quantitatively assess hepatic function [total liver (TL) and FRL]...
August 9, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28795138/retransplantation-in-late-hepatic-artery-thrombosis-graft-access-and-transplant-outcome
#20
Bettina M Buchholz, Shakeeb Khan, Miruna D David, Bridget K Gunson, John R Isaac, Keith J Roberts, Paolo Muiesan, Darius F Mirza, Dhiraj Tripathi, M Thamara P R Perera
BACKGROUND: Definitive treatment for late hepatic artery thrombosis (L-HAT) is retransplantation (re-LT); however, the L-HAT-associated disease burden is poorly represented in allocation models. METHODS: Graft access and transplant outcome of the re-LT experience between 2005 and 2016 was reviewed with specific focus on the L-HAT cohort in this single-center retrospective study. RESULTS: Ninety-nine (5.7%) of 1725 liver transplantations were re-LT with HAT as the main indication (n = 43; 43%) distributed into early (n = 25) and late (n = 18) episodes...
August 2017: Transplantation Direct
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