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https://www.readbyqxmd.com/read/28102906/filling-the-gap-between-clinical-trials-and-real-life-in-the-treatment-of-severe-hcv-recurrence-after-liver-transplantation
#1
Patrizia Burra, Alberto Zanetto
In this issue of Transplant International, Herzer et al. report the results obtained in a real-world European cohort of 87 patients with severe recurrent hepatitis C (HCV) after liver transplantation (LT), who were treated with a compassionate use of daclatasvir (DCV) plus registered sofosbuvir (SOF), with or without ribavirin (RBV). The vast majority of patients were HCV genotype 1, though the sample included a few with genotypes 3 and 4. It is noteworthy that 37/87 patients (42.5%) had cirrhosis (and 16/37 patients [43%] had Child-Pugh B/C decompensated cirrhosis)...
January 19, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28102814/successful-induction-of-peritoneal-dialysis-in%C3%A2-a%C3%A2-patient-with-massive-hydrothorax-due-to%C3%A2-pleuroperitoneal-communication%C3%A2
#2
Takahiro Uchida, Yuji Yamada, Toshihiko Imakiire, Naoki Oshima, Hiroo Kumagai
A 74-year-old woman with liver cirrhosis and chronic kidney disease (CKD) who had complained of chronic abdominal distension due to prominent ascites presented with sudden dyspnea. Chest radiography showed massive right pleural effusion that shifted the mediastinum. Peritoneal scintigraphy using 99mTc-macroaggregated albumin revealed pleuroperitoneal communication (PPC). As her hydrothorax was refractory and frequent thoracentesis did not improve her respiratory distress, thoracoscopic surgery was performed for repair of the diaphragm defect...
January 19, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28102665/cosolute-and-crowding-effects-on-a-side-by-side-protein-dimer
#3
Alex J Guseman, Gary J Pielak
The effects of small (~102 Da) and larger (>103 Da) cosolutes on protein stability are broadly understood: excluding volume stabilizes proteins, and chemical interactions are stabilizing when repulsive, but destabilizing when attractive. Proteins, however, rarely work alone. Here, we investigate the effects of small and larger cosolutes on the equilibrium stability of the simplest defined protein-protein interactions, the side-by-side homodimer formed by the A34F variant of the 56-residue B1 domain of protein G...
January 19, 2017: Biochemistry
https://www.readbyqxmd.com/read/28102614/expression-of-cd4-cd28-null-t-lymphocytes-in-children-and-adolescents-with-type-1-diabetes-mellitus-relation-to-microvascular-complications-aortic-elastic-properties-and-carotid-intima-media-thickness
#4
Mona H El-Samahy, Azza A G Tantawy, Amira A M Adly, Nevin M Habeeb, Eman A R Ismail, Gehan M Hamed, Rasha Eladawy
BACKGROUND: Cardiovascular risk in type 1 diabetes mellitus (T1DM) is associated with endothelial dysfunction, inflammation, and altered immunity. CD4(+) CD28(null) T-cells are a subset of long-lived cytotoxic CD4(+) T-lymphocytes with proatherogenic and plaque-destabilizing properties. We hypothesized that the frequency of CD4(+) CD28(null) T-cells may be altered in T1DM and related to vascular complications. AIM: To assess the percentage of CD4(+) CD28(null) T-lymphocytes in children and adolescents with T1DM and their relation to vascular structure and glycemic control...
January 19, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28102465/risks-and-benefits-of-phase-i-liver-dysfunction-studies-should-patients-with-severe-liver-dysfunction-be-included-in-these-trials
#5
Christos Fountzilas, Selena Stuart, Brian Hernandez, Elizabeth Bowhay-Carnes, Joel Michalek, John Sarantopoulos, Anand Karnad, Sukeshi Patel, Steven Weitman, Devalingam Mahalingam
Introduction The goal of organ dysfunction Phase I trials is to characterize the safety and pharmacokinetics of novel agents in cancer patients with liver or kidney dysfunction, but the clinical benefit is not well established. Methods We reviewed 170 patients across 15 liver dysfunction studies at our institution, grouped based on the NCI-Organ Dysfunction Working Group criteria or Child-Pugh Score. Results The median survival for the entire cohort was two months and just one month amongst patients with severe liver dysfunction...
January 19, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28102095/significance-of-the-ionized-calcium-measurement-to-assess-calcium-status-in-osteopenic-osteoporosis-postmenopausal-outpatients
#6
Letizia Guiducci, Silvia Maffei, Laura Sabatino, Luc Zyw, Debora Battaglia, Alessandro Vannucci, Pietro Di Cecco, Cristina Vassalle
INTRODUCTION: Evaluation of calcium status is important in the osteoporotic risk assessment. Although guidelines indicate total calcium (tCa) as first-line measurement, directly measured ionized calcium (m-iCa), considered as the gold standard, is more and more often required. Aim of this study is to evaluate the agreement between m-iCa, tCa and iCa calculated from a formula based on total calcium and albumin (c-iCa) in osteopenic/osteoporotic postmenopausal outpatients. METHODS: A total of 140 postmenopausal outpatients, 41 osteopenic (OPN) and 99 osteoporotic (OP) were enrolled...
January 19, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28101961/antibody-formation-towards-porcine-tissue-in-patients-implanted-with-crosslinked-heart-valves-is-directed-to-antigenic-tissue-proteins-and-%C3%AE-gal-epitopes-and-is-reduced-in-healthy-vegetarian-subjects
#7
Ulrike Böer, Falk F R Buettner, Ariane Schridde, Melanie Klingenberg, Samir Sarikouch, Axel Haverich, Mathias Wilhelmi
BACKGROUND: Glutaraldehyde-fixed porcine heart valves (ga-pV) are one of the most frequently used substitutes for insufficient aortic and pulmonary heart valves which, however, degenerate after 10-15 years. Yet, xeno-immunogenicity of ga-pV in humans including identification of immunogens still needs to be investigated. We here determined the immunogenicity of ga-pV in patients with respect to antibody formation, identity of immunogens and potential options to reduce antibody levels. METHODS: Levels of tissue-specific and anti-αGal antibodies were determined retrospectively in patients who received ga-pV for 51 months (n=4), 25 months (n=6) or 5 months (n=4) and compared to age-matched untreated subjects (n=10) or younger subjects with or without vegetarian diet (n=12/15)...
January 18, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28101950/molecular-binding-of-toxic-phenothiazinium-derivatives-azures-to-bovine-serum-albumin-a-comparative-spectroscopic-calorimetric-and-in-silico-study
#8
Somnath Das, Md Maidul Islam, Gopal Chandra Jana, Anirudha Patra, Pradeep K Jha, Maidul Hossain
In this paper, the comparative binding behavior of antimalarial drug azure A, azure B and azure C with bovine serum albumin (BSA) has been studied. The interaction has been confirmed by multispectroscopic (UV, fluorescence, Fourier transform infrared (FT-IR), and circular dichroism) and molecular docking techniques. The experimental results show that azure B has the highest BSA binding affinity followed by azure A and azure C. The experimental evidence of binding showed a static quenching mechanism in the interaction azures with BSA...
January 19, 2017: Journal of Molecular Recognition: JMR
https://www.readbyqxmd.com/read/28101658/naso-intestinal-tube-is-more-effective-in-treating-postoperative-ileus-than-naso-gastric-tube-in-elderly-colorectal-cancer-patients
#9
Yang Shi, Xi Peng Zhang, Hai Qin, Yong Jun Yu
OBJECTIVE: The objective of this study was to compare the effect of naso-intestinal tube and naso-gastric tube in relieving postoperative ileus in elderly patients with colorectal cancer. METHODS: Patients (n = 46) with ileus symptom following radical surgery for treating colorectal cancer were placed with either naso-intestinal tube at duodenum or conventional naso-gastric tube. Then, their waist perimeter, intra abdominal pressure, maximum diameter in bowls, length of time to pass flatus or passage of bowel movement or to return to diet, length of hospital stay, daily drainage, serum levels of lactic acid, hemoglobin, and creatinine as well were compared...
January 18, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28101473/purification-and-characterization-of-bovine-serum-albumin-using-chromatographic-method
#10
Sanaz Balkani, Sara Shamekhi, Ramin Raoufinia, Reza Parvan, Jalal Abdolalizadeh
Purpose: Albumin is an abundant protein of blood and has many biopharmaceutical applications. The aim of this study was to purify bovine serum albumin (BSA) using produced rabbit anti-BSA antibody. Methods: The polyclonal antibody was produced against the BSA in rabbits. Then, the pure BSA was injected to three white New Zealand rabbits. ELISA test was done to evaluate antibody production. After antibody purification,the purified antibody was attached to CNBr-activated sepharose and finally it was used for purification of albumin from bovine serum...
December 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28101466/characterization-of-the-effect-of-drug-drug-interaction-on-protein-binding-in-concurrent-administration-of-sulfamethoxazol-and-diclofenac-sodium-using-bovine-serum-albumin
#11
Md Kamal Hossain, Amina Khatun, Mahmudur Rahman, Md Nahid Akter, Sadia Afreen Chowdhury, Sm Mahbubul Alam
Purpose: This project was aimed to determine the effect of concurrent administration of sulfamethoxazole and diclofenac sodium. Methods: Equilibrium dialysis method was adopted to study different protein binding aspects of sulfamethoxazole and diclofenac sodium. Results: Sulfamethoxazole showed two types of association constants; high affinity constant 29.0±0.20×10(6) M(-1) with lower number of binding sites of 0.7±1 and low affinity constant 1.13±0.20×10(6) M(-1) with higher number of binding sites of 3...
December 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28101456/overview-of-albumin-and-its-purification-methods
#12
REVIEW
Ramin Raoufinia, Ali Mota, Neda Keyhanvar, Fatemeh Safari, Sara Shamekhi, Jalal Abdolalizadeh
As the most frequent plasma protein, albumin constitutes more than 50% of the serum proteins in healthy individuals. It has a key role in oncotic pressure maintenance and it is known as a versatile protein carrier for transportation of various endogenous and exogenous ligands. Reduced amounts of albumin in the body will lead to different kinds of diseases such as hypovolemia and hypoproteinemia. It also has various indications in shocks, burns, cardiopulmonary bypass, acute liver failure and etc. Further applications in research consist of cell culture supplement, drug delivery carrier and protein/drug stabilizer...
December 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28100899/effectiveness-of-computed-tomography-attenuation-values-in-characterization-of-pericardial-effusion
#13
Mehmet Serkan Çetin, Elif Hande Özcan Çetin, Mustafa Özdemir, Serkan Topaloğlu, Dursun Aras, Ahmet Temizhan, Sinan Aydoğdu
OBJECTIVE: The aim of this study was to evaluate the effectiveness of computed tomography (CT) attenuation values in the characterization of pericardial effusion. METHODS: This study consisted of 96 patients with pericardial effusion who underwent pericardiocentesis. For further diagnostic evaluation of pericardial effusion, all the patients were assessed by thorax CT. CT attenuation values were measured from at least 5 different areas of pericardial fluid by specifying the largest region of interest...
January 17, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28100702/zanthoxylum-alkylamides-ameliorate-protein-metabolism-disorder-in-stz-induced-diabetic-rats
#14
Tingyuan Ren, Zhu Yu Ping, Xuejuan Xia, Ding Bo Yong, Guo Jing, Kan Jian Quan
This study aimed to evaluate the protein metabolism effect of Zanthoxylum alkylamides and to explore the potential mechanism in streptozotocin (STZ)-induced diabetic rats. Diabetic rats were orally treated with 2, 4 and 8 mg per kg bw of alkylamides daily for 28 days. Alkylamides decreased the relative weight of the liver and food intake, significantly increased the relative skeletal muscle weight and significantly decreased the blood urea nitrogen levels. Insulin, insulin-like growth factor I, total protein (TP) and albumin (ALB), globular proteins and ALB proteins/globulin protein levels in serum significantly increased...
January 18, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28100256/transcriptomic-signatures-differentiate-survival-from-fatal-outcomes-in-humans-infected-with-ebola-virus
#15
Xuan Liu, Emily Speranza, César Muñoz-Fontela, Sam Haldenby, Natasha Y Rickett, Isabel Garcia-Dorival, Yongxiang Fang, Yper Hall, Elsa-Gayle Zekeng, Anja Lüdtke, Dong Xia, Romy Kerber, Ralf Krumkamp, Sophie Duraffour, Daouda Sissoko, John Kenny, Nichola Rockliffe, E Diane Williamson, Thomas R Laws, Magassouba N'Faly, David A Matthews, Stephan Günther, Andrew R Cossins, Armand Sprecher, John H Connor, Miles W Carroll, Julian A Hiscox
BACKGROUND: In 2014, Western Africa experienced an unanticipated explosion of Ebola virus infections. What distinguishes fatal from non-fatal outcomes remains largely unknown, yet is key to optimising personalised treatment strategies. We used transcriptome data for peripheral blood taken from infected and convalescent recovering patients to identify early stage host factors that are associated with acute illness and those that differentiate patient survival from fatality. RESULTS: The data demonstrate that individuals who succumbed to the disease show stronger upregulation of interferon signalling and acute phase responses compared to survivors during the acute phase of infection...
January 19, 2017: Genome Biology
https://www.readbyqxmd.com/read/28100093/p19-targeted-abd-derived-protein-variants-inhibit-il-23-binding-and-exert-suppressive-control-over-il-23-stimulated-expansion-of-primary-human-il-17-t-cells
#16
Lucie Křížová, Milan Kuchař, Hana Petroková, Radim Osička, Marie Hlavničková, Ondřej Pelák, Jiří Černý, Tomáš Kalina, Petr Malý
Interleukin-23 (IL-23), a heterodimeric cytokine of covalently bound p19 and p40 proteins, has recently been closely associated with development of several chronic autoimmune diseases such as psoriasis, psoriatic arthritis or inflammatory bowel disease. Released by activated dendritic cells, IL-23 interacts with IL-23 receptor (IL-23R) on Th17 cells, thus promoting intracellular signaling, a pivotal step in Th17-driven pro-inflammatory axis. Here, we aimed to block the binding of IL-23 cytokine to its cell-surface receptor by novel inhibitory protein binders targeted to the p19 subunit of human IL-23...
January 19, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28099511/extracellular-fluid-intracellular-fluid-volume-ratio-as-a-novel-risk-indicator-for-all-cause-mortality-and-cardiovascular-disease-in-hemodialysis-patients
#17
Eun-Jung Kim, Myung-Jin Choi, Jeoung-Hwan Lee, Ji-Eun Oh, Jang-Won Seo, Young-Ki Lee, Jong-Woo Yoon, Hyung-Jik Kim, Jung-Woo Noh, Ja-Ryong Koo
BACKGROUND: In hemodialysis patients, fluid overload and malnutrition are accompanied by extracellular fluid (ECF) expansion and intracellular fluid (ICF) depletion, respectively. We investigated the relationship between ECF/ICF ratio (as an integrated marker reflecting both fluid overload and malnutrition) and survival and cardiovascular disease (CVD) in the context of malnutrition-inflammation-arteriosclerosis (MIA) complex. METHODS: Seventy-seven patients from a single hemodialysis unit were prospectively enrolled...
2017: PloS One
https://www.readbyqxmd.com/read/28099427/exposure-to-bisphenols-and-phthalates-and-association-with-oxidant-stress-insulinn-resistance-and-endothelial-dysfunction-in-children
#18
Anglina Kataria, Dov Levine, Sara Wertenteil, Suzanne Vento, Jingchuan Xue, Karthikraj Rajendiran, Kurunthachalam Kannan, Joshua M Thurman, Debra Morrison, Rachel Brody, Elaine Urbina, Teresa Attina, Leonardo Trasande, Howard Trachtman
BACKGROUND: The health effects of bisphenol A (BPA) and di-(2-ethylhexyl) phthalate (DEHP) have been studied extensively in children. The impact of other chemicals in these two classes has not been investigated as fully. METHODS: We conducted a cross-sectional pilot study of 10-13 year old healthy children. We assessed descriptive, univariable and multivariable associations of urinary metabolites of bisphenols and phthalates with oxidant stress, insulin resistance, body mass, and endothelial dysfunction...
January 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28099348/prognostic-value-of-inflammation-based-markers-in-patients-with-recurrent-malignant-obstructive-jaundice-treated-by-reimplantation-of-biliary-metal-stents-a-retrospective-observational-study
#19
Hao Jin, Qing Pang, Huichun Liu, Zongkuang Li, Yong Wang, Yimin Lu, Lei Zhou, Hongtao Pan, Wei Huang
We aimed to assess the therapeutic effect of reimplantation of biliary metal stents by percutaneous transhepatic cholangial drainage (PTCD) in patients with recurrent malignant obstructive jaundice (MOJ). Furthermore, we explored the prognostic value of inflammation-based markers in these patients.We reviewed 33 cases of recurrent MOJ after implantation of biliary metal stents by PTCD, all of which underwent reimplantation of stents under digital subtraction angiography guidance. Levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST), and bilirubin were compared between before and after reimplantation (1 week, 1 month, and 3 months postoperatively)...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28099336/prognostic-significance-of-nonprotein-respiratory-quotient-in-patients-with-liver-cirrhosis
#20
Hiroki Nishikawa, Hirayuki Enomoto, Yoshinori Iwata, Kyohei Kishino, Yoshihiro Shimono, Kunihiro Hasegawa, Chikage Nakano, Ryo Takata, Akio Ishii, Takashi Nishimura, Kazunori Yoh, Nobuhiro Aizawa, Yoshiyuki Sakai, Naoto Ikeda, Tomoyuki Takashima, Hiroko Iijima, Shuhei Nishiguchi
The aim of this study was to examine the effect of nonprotein respiratory quotient (npRQ), as assessed using indirect calorimetry, on clinical outcomes in patients with liver cirrhosis (LC). A total of 244 LC patients were evaluated in this study. For the univariate analysis, for each continuous variable, the optimal cutoff value that maximized the sum of sensitivity and specificity was selected using receiver operating curve (ROC) analysis for survival. There were 137 men and 107 women with the median (range) age of 67 (25-90) years...
January 2017: Medicine (Baltimore)
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