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https://www.readbyqxmd.com/read/28212584/hyaluronic-acid-serum-albumin-conjugate-based-nanoparticles-for-targeted-cancer-therapy
#1
Ravit Edelman, Yehuda G Assaraf, Inna Levitzky, Tal Shahar, Yoav D Livney
Multiple carcinomas including breast, ovarian, colon, lung and stomach cancer, overexpress the hyaluronic acid (HA) receptor, CD44. Overexpression of CD44 contributes to key cancer processes including tumor invasion, metastasis, recurrence, and chemoresistance. Herein, we devised novel targeted nanoparticles (NPs) for delivery of anticancer chemotherapeutics, comprised of self-assembling Maillard reaction-based conjugates of HA and bovine serum albumin (BSA). HA served as the hydrophilic block, and as the ligand for actively targeting cancer cells overexpressing CD44...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212415/aflatoxin-exposure-during-the-first-36-months-of-life-was-not-associated-with-impaired-growth-in-nepalese-children-an-extension-of-the-mal-ed-study
#2
Nicole J Mitchell, Hui-Husan Hsu, Ram Krishna Chandyo, Binob Shrestha, Ladaporn Bodhidatta, Yu-Kang Tu, Yun-Yun Gong, Patricia A Egner, Manjeswori Ulak, John D Groopman, Felicia Wu
Exposure to aflatoxin, a mycotoxin common in many foods, has been associated with child growth impairment in sub-Saharan Africa. To improve our understanding of growth impairment in relation to aflatoxin and other risk factors, we assessed biospecimens collected in Nepalese children at 15, 24, and 36 months of age for aflatoxin exposure. Children (N = 85) enrolled in the Bhaktapur, Nepal MAL-ED study encompassed the cohort analysed in this study. Exposure was assessed through a plasma biomarker of aflatoxin exposure: the AFB1-lysine adduct...
2017: PloS One
https://www.readbyqxmd.com/read/28211996/alternating-current-electrophoretic-deposition-for-the-immobilization-of-antimicrobial-agents-on-titanium-implant-surfaces
#3
Annabel Braem, Katrijn De Brucker, Nicolas Delattin, Manuela Sonja Killian, Maarten B J Roeffaers, Tomohiko Yoshioka, Satoshi Hayakawa, Patrik Schmuki, Bruno P A Cammue, Sannakaisa Virtanen, Karin Thevissen, Bram Neirinck
One prominent cause of implant failure is infection, therefore research is focusing on developing surface coatings that render the surface resistant to colonization by micro-organisms. Permanently attached coatings of antimicrobial molecules are of particular interest because of the reduced cytoxicity and lower risk of developing resistance compared to controlled release coatings. In this study, we focus on the chemical grafting of bioactive molecules on titanium. To concentrate the molecules at the metallic implant surface, we propose electrophoretic deposition (EPD) applying alternating current (AC) signals with an asymmetrical wave shape...
February 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28211307/local-and-systemic-changes-associated-with-long-term-percutaneous-static-implantation-of-titanium-alloys-in-rhesus-macaques-macaca-mulatta
#4
Galit H Frydman Robert P Marini Vasudevan Bakthavatchalu Kathleen E Biddle Sureshkumar Muthupalani Charles R Vanderburg Barry Lai Pavan K Bendapudi Ronald G Tompkins And James G Fox
Metal alloys are frequently used as implant materials in veterinary medicine. Recent studies suggest that many alloys induce both local and systemic inflammatory responses. In this study, 37 rhesus macaques with long-term skull-anchored percutaneous titanium alloy implants (duration, 0 to 14 y) were evaluated for changes in their hematology, coagulation, and serum chemistry profiles. Negative controls (n = 28) did not have implants. Macaques with implants had higher plasma D-dimer and lower antithrombin III concentrations than nonimplanted animals...
February 16, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28211216/low-dose-eplerenone-treatment-decreases-aortic-stiffness-in-patients-with-resistant-hypertension
#5
Tatjana Kalizki, Bernhard M W Schmidt, Ulrike Raff, Annemarie Reinold, Thomas K Schwarz, Markus P Schneider, Roland E Schmieder, Andreas Schneider
Vascular damage is aggravated in animal models of hypertension with mineralocorticoid (MR) excess and in hypertensive patients with primary hyperaldosteronism. MR antagonism has shown to provide effective blood pressure (BP)-control in patients with treatment resistant hypertension (TRH), but the concurrent effects on the vasculature have not been examined. In a randomized, double-blinded, placebo-controlled parallel-group study, 51 patients with TRH received either eplerenone 50 mg or placebo for 6 months together with additional antihypertensives titrated to achieve a BP target of <140/90 mm Hg...
February 17, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28210565/label-free-proteome-analysis-of-plasma-from-patients-with-breast-cancer-stage-specific-protein-expression
#6
Marina Duarte Pinto Lobo, Frederico Bruno Mendes Batista Moreno, Gustavo Henrique Martins Ferreira Souza, Sara Maria Moreira Lima Verde, Renato de Azevedo Moreira, Ana Cristina de Oliveira Monteiro-Moreira
Breast cancer is one of the most commonly diagnosed types of cancer among women. Breast cancer mortality rates remain high probably because its diagnosis is hampered by inaccurate detection methods. Since changes in protein expression as well as modifications in protein glycosylation have been frequently reported in cancer development, the aim of this work was to study the differential expression as well as modifications of glycosylation of proteins from plasma of women with breast cancer at different stages of disease (n = 30) compared to healthy women (n = 10)...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28210086/prognostic-factors-associated-with-mortality-in-patients-with-gastric-fundal-variceal-bleeding
#7
Keishi Komori, Masaru Kubokawa, Eikichi Ihara, Kazuya Akahoshi, Kazuhiko Nakamura, Kenta Motomura, Akihide Masumoto
AIM: To determine the prognostic factors associated with mortality in patients with gastric fundal variceal (GFV) bleeding. METHODS: In total, 42 patients were endoscopically diagnosed with GFV bleeding from January 2000 to March 2014. We retrospectively reviewed the patients' medical records and assessed their history, etiology of liver cirrhosis, disease conditions, treatment options for GFV bleeding, medications administered before and after onset of GFV bleeding, blood test results (hemoglobin, albumin, and bilirubin concentrations), and imaging results (including computed tomography and abdominal ultrasonography)...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28209636/a-randomized-crossover-trial-of-dietary-sodium-restriction-in-stage-3-4-ckd
#8
Rajiv Saran, Robin L Padilla, Brenda W Gillespie, Michael Heung, Scott L Hummel, Vimal Kumar Derebail, Bertram Pitt, Nathan W Levin, Fansan Zhu, Samer R Abbas, Li Liu, Peter Kotanko, Philip Klemmer
BACKGROUND AND OBJECTIVES: Patients with chronic kidney disease (CKD) are often volume expanded and hypertensive. Few controlled studies have assessed the effects of a sodium-restricted diet (SRD) in CKD. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a randomized crossover trial to evaluate the effect of SRD (target <2 g sodium per day) versus usual diet on hydration status (by bioelectrical impedance spectroscopy) and blood pressure (BP) between May of 2009 and May of 2013...
February 16, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28209481/botulinum-toxin-type-a-reduces-inflammatory-hypernociception-induced-by-arthritis-in-the-temporomadibular-joint-of-rats
#9
Victor Ricardo Manuel Muñoz Lora, Juliana Trindade Clemente-Napimoga, Henrique Ballassini Abdalla, Cristina Gomes Macedo, Giancarlo de la Torre Canales, Celia Marissa Rizzatti Barbosa
OBJECTIVE: This study aimed to investigate the antinociceptive effects of Botulinum toxin type A (BoNT-A) on persistent inflammatory hypernociception induced by arthritis in the temporomandibular joint (TMJ) of rats. MATERIAL AND METHODS: Wistar rats were induced to persistent inflammatory hypernociception in the left TMJ. Then, animals were treated with intra-TMJ injections of BoNT-A, using doses of 3.5, 7 and 14 U/kg. Saline was used as control group. Behavioral tests were applied to evaluated the effect of BoNT-A in the inflammatory hypernociception...
February 13, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28209453/-detection-and-classification-of-chronic-kidney-disease-in-primary-care-and-importance-of-albuminuria
#10
P J Labrador, S González-Sanchidrián, S Polanco, E Davin, J M Fuentes, J R Gómez-Martino
INTRODUCTION: Chronic kidney disease (CKD) is a public health problem, and Primary Care (PC) plays a key role in its detection and classification based on estimated glomerular filtration rate (eGFR), as well as the level of albuminuria for its proper management. The aim of this study was to analyse the prevalence and classification of CKD in patients attended in PC. MATERIAL AND METHODS: An analysis was made of CKD prevalence and classification according to the Kidney Disease-Improving Global Outcomes guidelines in PC patients...
February 13, 2017: Semergen
https://www.readbyqxmd.com/read/28209304/prognostic-value-of-the-nutritional-risk-index-in-heart-transplant-recipients
#11
Eduardo Barge-Caballero, Fernando García-López, Raquel Marzoa-Rivas, Gonzalo Barge-Caballero, David Couto-Mallón, María J Paniagua-Martín, Miguel Solla-Buceta, Carlos Velasco-Sierra, Francisco Pita-Gutiérrez, José M Herrera-Noreña, José J Cuenca-Castillo, José Manuel Vázquez-Rodríguez, María G Crespo-Leiro
INTRODUCTION AND OBJECTIVES: To study the prognostic impact of preoperative nutritional status, as assessed through the nutritional risk index (NRI), on postoperative outcomes after heart transplantation (HT). METHODS: We conducted a retrospective, single-center study of 574 patients who underwent HT from 1991 to 2014. Preoperative NRI was calculated as 1.519 × serum albumin (g/L) + 41.7 × (body weight [kg] / ideal body weight [kg]). The association between preoperative NRI and postoperative outcomes was analyzed by means of multivariable logistic regression and multivariable Cox regression...
February 10, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28209267/assessment-of-volume-status-and-appropriate-fluid-replenishment-in-the-setting-of-nephrotic-syndrome
#12
Pierluigi Marzuillo, Stefano Guarino, Andrea Apicella, Rosaria Marotta, Vincenzo Tipo, Laura Perrone, Angela La Manna, Giovanni Montini
BACKGROUND: When the permeability of the glomerular filtration barrier increases, leading to proteinuria, nephrotic syndrome (NS) occurs. First episodes or relapses of NS can be concurrent with acute gastroenteritis (AGE) infections. This condition can cause further deterioration of the hypovolemic state, as intravascular water is lost through both AGE-related vomiting/diarrhea and NS-related fluid shifting into the interstitium. In this case report, we wish to raise the issues about the difficult management of children presenting with both NS and AGE...
February 10, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28209134/first-clinical-experience-in-14-patients-treated-with-advos-a-study-on-feasibility-safety-and-efficacy-of-a-new-type-of-albumin-dialysis
#13
Wolfgang Huber, Benedikt Henschel, Roland Schmid, Ahmed Al-Chalabi
BACKGROUND: Liver failure (LF) is associated with prolonged hospital stay, increased cost and substantial mortality. Due to the limited number of donor organs, extracorporeal liver support is suggested as an appealing concept to "bridge to transplant" or to avoid transplant in case of recovery. ADVanced Organ Support (ADVOS) is a new type of albumin dialysis, that provides rapid regeneration of toxin-binding albumin by two purification circuits altering the binding capacities of albumin by biochemical (changing of pH) and physical (changing of temperature) modulation of the dialysate...
February 16, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28208642/photoluminescent-gold-nanoclusters-in-cancer-cells-cellular-uptake-toxicity-and-generation-of-reactive-oxygen-species
#14
Marija Matulionyte, Dominyka Dapkute, Laima Budenaite, Greta Jarockyte, Ricardas Rotomskis
In recent years, photoluminescent gold nanoclusters have attracted considerable interest in both fundamental biomedical research and practical applications. Due to their ultrasmall size, unique molecule-like optical properties, and facile synthesis gold nanoclusters have been considered very promising photoluminescent agents for biosensing, bioimaging, and targeted therapy. Yet, interaction of such ultra-small nanoclusters with cells and other biological objects remains poorly understood. Therefore, the assessment of the biocompatibility and potential toxicity of gold nanoclusters is of major importance before their clinical application...
February 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208007/risk-factors-for-vitamin-d-zinc-and-selenium-deficiencies-in-korean-patients-with-inflammatory-bowel-disease
#15
Yoo Min Han, Hyuk Yoon, Soo Lim, Mi-Kyung Sung, Cheol Min Shin, Young Soo Park, Nayoung Kim, Dong Ho Lee, Joo Sung Kim
Background/Aims: Studies on the micronutrient status of Asian patients with inflammatory bowel disease (IBD) are scarce. We evaluated the prevalence of micronutrient deficiency and verified the risk factors for micronutrient deficiency in Korean patients with IBD. Methods: We measured the serum levels of 25-hydroxyvitamin D3 [25-(OH)D], zinc, and selenium to analyze the clinical risk factors for micronutrient levels below the reference values. In addition, we compared the 25-(OH)D levels of patients with IBD to those of age- and sex-matched healthy controls...
February 17, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28207877/selective-inhibition-of-aggregation-fibrillation-of-bovine-serum-albumin-by-osmolytes-mechanistic-and-energetics-insights
#16
Moumita Dasgupta, Nand Kishore
Bovine serum albumin (BSA) is an important transport protein of the blood and its aggregation/fibrillation would adversely affect its transport ability leading to metabolic disorder. Therefore, understanding the mechanism of fibrillation/aggregation of BSA and design of suitable inhibitor molecules for stabilizing its native conformation, are of utmost importance. The qualitative and quantitative aspects of the effect of osmolytes (proline, hydroxyproline, glycine betaine, sarcosine and sorbitol) on heat induced aggregation/fibrillation of BSA at physiological pH (pH 7...
2017: PloS One
https://www.readbyqxmd.com/read/28207552/disease-spectrum-of-alcoholic-liver-disease-in-beijing-302-hospital-from-2002-to-2013-a-large-tertiary-referral-hospital-experience-from-7422-patients
#17
Ang Huang, Binxia Chang, Yin Sun, Huiming Lin, Baosen Li, Guangju Teng, Zheng-Sheng Zou
Alcohol consumption in China has substantially increased over the last 3 decades and the number of patients with alcoholic liver disease (ALD) is rising at an alarming rate. However, accurate and representative data on time trends in its hospitalization rates are not available. The aim of this study is to assess the current status and burden of ALD in China by analyzing the data from a large tertiary referral hospital, Beijing 302 Hospital.Data were retrospectively recorded from patients diagnosed as ALD in Beijing 302 Hospital from 2002 to 2013...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28207324/is-serum-angiotensin-converting-enzyme-level-useful-for-determining-necroinflammatory-activity-in-chronic-hepatitis-b-infection
#18
Ahmet Tay, Fatih Albayrak, Sevilay Ozmen, Ayse Albayrak, Kemalettin Ozden
AIM: The purpose of this study was to investigate the relationship between the findings from liver biopsy and the serum angiotensin-converting enzyme (ACE) level to determine whether ACE might serve as a potential noninvasive sign of necroinflammatory activity in patients with Chronic Hepatitis B (CHB) infection. METHODS: A total of 54 CHB patients referred for liver biopsy were enrolled in the study. Serum ACE levels were determined photometrically with a kinetic test...
February 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28206763/rational-design-of-a-polymer-with-robust-efficacy-for-intracellular-protein-and-peptide-delivery
#19
Hong Chang, Jia Lv, Xin Gao, Xing Wang, Hui Wang, Hui Chen, Xu He, Lei Li, Yiyun Cheng
The efficient delivery of biopharmaceutical drugs such as proteins and peptides into the cytosol of target cells poses substantial challenges owing to their large size and susceptibility to degradation. Current protein delivery vehicles have limitations such as the need for protein modification, insufficient delivery of large-size proteins or small peptides, and loss of protein function after the delivery. Here, we adopted a rational approach to design a polymer with robust efficacy for intracellular protein and peptide delivery...
February 16, 2017: Nano Letters
https://www.readbyqxmd.com/read/28206723/clinical-study-on-amplitude-integrated-electroencephalogram-in-cerebral-injury-caused-by-severe-neonatal-hyperbilirubinemia
#20
Hongwei Wu, Zhenguang Li, Jinfeng Liu, Gang Liu, Xia Yang
BACKGROUND: This study was designed in order to assess the validity of the use of amplitude-integrated electroencephalogram (aEEG) in cerebral injury caused by severe neonatal hyperbilirubinemia. METHODS: A total of 56 full-term neonates diagnosed with severe neonatal hyperbilirubinemia and admitted to the NICU of our hospital from July 2013 to December 2014 were continuously selected for the study. The total serum bilirubin (TSB) was higher than 342 μmo/l, and was dominated by a higher amount of unconjugated bilirubin...
February 15, 2017: Minerva Pediatrica
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