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https://www.readbyqxmd.com/read/28231498/bone-specific-poly-ethylene-sodium-phosphate-bearing-biodegradable-nanoparticles
#1
Yuya Hirano, Yasuhiko Iwasaki
Chemotherapy is the most reliable treatment for osteoporosis and osseous metastases. To facilitate better drug delivery for bone treatments, a novel preparation of polymeric nanoparticles with high affinity to bone has been prepared. Two-step synthesis of cholesteryl-functionalized poly(ethylene sodium phosphate) (Ch-PEPn·Na) was performed via ring-opening polymerization of cyclic phosphoesters and the demethylation. The molecular weight of Ch-PEPn·Na could be well controlled by changing the ratio of cholesterol and cyclic phosphoesters...
February 16, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28230102/identification-of-a-new-virulent-clade-in-enterohemorrhagic-escherichia-coli-o26-h11-h-sequence-type-29
#2
Nozomi Ishijima, Ken-Ichi Lee, Tomomi Kuwahara, Haruyuki Nakayama-Imaohji, Saori Yoneda, Atsushi Iguchi, Yoshitoshi Ogura, Tetsuya Hayashi, Makoto Ohnishi, Sunao Iyoda
Enterohemorrhagic Escherichia coli (EHEC) O26 infections cause severe human diseases such as hemolytic uremic syndrome and encephalopathy, and is the predominant serogroup among non-O157 EHEC in many countries. Shiga toxin (Stx), which consists of two distinct types (Stx1 and Stx2), plays a central role in EHEC pathogenesis. The major stx gene type in EHEC O26 strains is stx1, although isolates with only stx2 have emerged in Japan since 2012 and have been reported in Europe. In this study, we selected 27 EHEC O26 strains isolated in Japan and identified a distinct genetic clade within sequence type (ST) 29, designated ST29C1, that carried only stx2 and had the plasmid gene profile ehxA+/katP-/espP+/etpD-...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28225953/drug-reaction-with-eosinophilia-and-systemic-symptoms-dress-and-its-relation-with-autoimmunity-in-a-reference-center-in-mexico
#3
Juan Manuel Ruiz Matta, Silvia Méndez Flores, Judith Domínguez Cherit
BACKGROUND: Drug reaction with eosinophilia and systemic symptoms is a severe adverse drug reaction, with a reported mortality of 10%. Long-term outcomes involve organic failure and autoimmune diseases in some populations. OBJECTIVE: To evaluate the clinical prognosis of patients with drug reaction with eosinophilia and systemic symptoms. METHODS: We conducted a retrospective review at a referral hospital in Mexico City in a period of 22 years (1992-2013), looking up for records with diagnosis of DRESS according to RegiSCAR criteria...
January 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28224456/zinc-toxicosis-in-a-boxer-dog-secondary-to-ingestion-of-holiday-garland
#4
Karyn Bischoff, Anne Chiapella, Jaime Weisman, Lisa M Crofton, Joseph Hillebrandt
INTRODUCTION: Increased admissions occur in small animal veterinary emergency clinics during some holidays, and some of the increased caseload is due to ingestion of toxic substances. This report documents zinc toxicosis contributing to the death of a dog after ingestion of holiday tinsel garland. CASE STUDY: A mature boxer dog presented with a 4-day history of vomiting and diarrhea. Radiodense foreign material was detected in the stomach and removed via gastrotomy...
February 21, 2017: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/28224376/a-case-of-atypical-hemolytic-uremic-syndrome-in-a-second-renal-transplant
#5
Nicholas A Zwang, Bing Ho, Yashpal S Kanwar, Brad Lewis, Matthew Cusick, John J Friedewald, Lorenzo Gallon
Atypical hemolytic uremic syndrome (aHUS) has gained increased visibility over several years as an important cause of renal failure. Unfortunately, diagnosis is often difficult because individual courses can be highly variable depending the causative genetic mutations. Here we present the case of a patient with a failed renal allograft and acute failure of a second allograft who was ultimately diagnosed with aHUS. Interestingly, he developed early de novo donor specific antibodies (DSA) after the second renal transplant in context of likely recurrent aHUS...
February 21, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28223386/surveillance-of-omadacycline-activity-tested-against-clinical-isolates-from-a-global-north-america-europe-latin-america-and-asia-western-pacific-collection-2010-2011
#6
Michael A Pfaller, Michael D Huband, Paul R Rhomberg, Robert K Flamm
Omadacycline is a broad spectrum aminomethylcycline in late-stage clinical development for acute bacterial skin and skin structure infections and community-acquired pneumonia as both an oral and intravenous, once-daily formulation. In this report omadacycline and comparators were tested against 69,246 non-duplicate bacterial isolates collected prospectively during 2010 and 2011 from medical centers in Asia-Pacific (11,397 isolates), Europe (23,490 isolates), Latin America (8,038 isolates) and North America (26,321 isolates)...
February 21, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28223188/next-generation-sequencing-unravels-homozygous-mutation-in-glucose-6-phosphate-isomerase-gpic-1040g-a-p-arg347his-causing-hemolysis-in-an-indian-infant
#7
Manu Jamwal, Anu Aggarwal, Anirban Das, Arindam Maitra, Prashant Sharma, Shekhar Krishnan, Neeraj Arora, Deepak Bansal, Reena Das
INTRODUCTION: Inherited anemias diagnostic workup requires a step-wise algorithm. Causal genes implicated in congenital hemolytic anemia are numerous, making a gene-by-gene approach by Sanger sequencing time consuming, expensive and labour intensive. Targeted resequencing can be of great use in explaining these cases. METHODOLOGY: Six months female presented with neonatal jaundice and negative family history. Clinical and laboratory evidences were suggestive of hemolytic anemia...
February 20, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28222919/specific-infectious-organisms-associated-with-poor-outcomes-in-treatment-for-hip-periprosthetic-infection
#8
Daniel J Cunningham, Joseph J Kavolus, Michael P Bolognesi, Samuel S Wellman, Thorsten M Seyler
BACKGROUND: Periprosthetic hip infection treatment remains a significant challenge for orthopedics. Some studies have suggested that methicillin resistance and gram-negative organism type are associated with increased treatment failure. The aim of this research is to determine if specific organisms were associated with poor outcomes in treatment for hip periprosthetic infection. METHODS: Records were reviewed of all patients between 2005 and 2015 who underwent treatment for infected partial or total hip arthroplasty...
January 26, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28222499/prediction-of-the-level-and-duration-of-shear-stress-exposure-that-induces-subhemolytic-damage-to-erythrocytes
#9
Michael J Simmonds, Herbert J Meiselman
BACKGROUND: Current generation mechanical circulatory assist devices are designed to minimize high shears to blood for prolonged durations to avoid hemolysis. However, red blood cells (RBC) demonstrate impaired capacity to deform when exposed to shear stress (SS) well below the "hemolytic threshold". OBJECTIVE: We endeavored to identify how changes in the magnitude and duration of SS exposure alter RBC deformability and subsequently develop a model to predict erythrocyte subhemolytic damage...
February 9, 2017: Biorheology
https://www.readbyqxmd.com/read/28221950/multistate-outbreak-of-escherichia-coli-o157-h7-infections-associated-with-consumption-of-fresh-spinach-united-states-2006
#10
Umid M Sharapov, Arthur M Wendel, Jeffrey P Davis, William E Keene, Jeffrey Farrar, Samir Sodha, Eija Hyytia-Trees, Molly Leeper, Peter Gerner-Smidt, Patricia M Griffin, Chris Braden
During September to October, 2006, state and local health departments and the Centers for Disease Control and Prevention investigated a large, multistate outbreak of Escherichia coli O157:H7 infections. Case patients were interviewed regarding specific foods consumed and other possible exposures. E. coli O157:H7 strains isolated from human and food specimens were subtyped using pulsed-field gel electrophoresis and multiple-locus variable-number tandem repeat analyses (MLVA). Two hundred twenty-five cases (191 confirmed and 34 probable) were identified in 27 states; 116 (56%) case patients were hospitalized, 39 (19%) developed hemolytic uremic syndrome, and 5 (2%) died...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28220445/in-vitro-and-in-vivo-antibacterial-effect-of-nz2114-against-streptococcus-suis-type-2-infection-in-mice-peritonitis-models
#11
Jian Jiao, Ruoyu Mao, Da Teng, Xiumin Wang, Ya Hao, Na Yang, Xiao Wang, Xingjun Feng, Jianhua Wang
NZ2114 is a promising candidate for therapeutic application owing to potent activity to gram-positive bacterium such as Streptococcus pneumoniae and Staphylococcus aureus. This work is the first report to describe the in vitro and in vivo antibacterial characteristics of NZ2114 against Streptococcus suis. It exhibited strong antimicrobial activity against S. suis type 2 strains CVCC 606, CVCC 3309, and CVCC 3928 at a low minimal inhibitory concentration (MIC) of 0.03-0.06 μM. The NZ2114 killed over 99.9% of tested S...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28220235/successful-discontinuation-of-eculizumab-under-immunosuppressive-therapy-in-deap-hus
#12
Agnes Hackl, Rasmus Ehren, Michael Kirschfink, Peter F Zipfel, Bodo B Beck, Lutz T Weber, Sandra Habbig
BACKGROUND: Deficiency of complement factor H-related plasma proteins and complement factor H autoantibody-positive hemolytic uremic syndrome (DEAP-HUS), which is characterized by the deficiency of complement-factor H-related (CFHR) plasma proteins and the subsequent formation of autoantibodies against complement factor H (CFH), has been reported to have an adverse outcome in one third of patients. Therapy options include prompt removal of antibodies by plasma exchange and immunosuppressive therapy...
February 20, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28219768/copper-therapy-reduces-intravascular-hemolysis-and-derepresses-ferroportin-in-mice-with-mosaic-mutation-atp7a-mo-ms-an-implication-for-copper-mediated-regulation-of-the-slc40a1-gene-expression
#13
Małgorzata Lenartowicz, Rafał R Starzyński, Aneta Jończy, Robert Staroń, Justyna Antoniuk, Wojciech Krzeptowski, Paweł Grzmil, Aleksandra Bednarz, Olga Pierzchała, Mateusz Ogórek, Zenon Rajfur, Zbigniew Baster, Paweł Lipiński
Mosaic mutant mice displaying functional dysfunction of Atp7a copper transporter (the Menkes ATPase) are an established animal model of Menkes disease and constitute a convenient tool for investigating connections between copper and iron metabolisms. This model allows to explore changes in iron metabolism in suckling mutant mice suffering from systemic copper deficiency as well as in young and adult ones undergone copper therapy, which reduces lethal effect of the Atp7a gene mutation. Our recent study demonstrated that 14-day-old mosaic mutant males display blood cell abnormalities associated with intravascular hemolysis, and show disturbances in the functioning of the hepcidin-ferroportin regulatory axis, which controls systemic iron homeostasis...
February 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28215731/complementopathies
#14
REVIEW
Andrea C Baines, Robert A Brodsky
The complement system is an essential part of the innate immune system that requires careful regulation to ensure responses are appropriately directed against harmful pathogens, while preventing collateral damage to normal host cells and tissues. While deficiency in some components of the complement pathway is associated with increased susceptibility to certain infections, it has also become clear that inappropriate activation of complement is an important contributor to human disease. A number of hematologic disorders are driven by complement, and these disorders may be termed "complementopathies"...
February 6, 2017: Blood Reviews
https://www.readbyqxmd.com/read/28215645/follicular-lymphoma-in-situ-in-the-spleen-of-a-patient-with-autoimmune-hemolytic-anemia-and-carrying-hcv-was-associated-with-more-clonal-b-cells-than-t-14-18-positive-b-cells
#15
Makoto Kashimura, Masaru Kojima, Naoki Matsuyama, Jirou Tadokoro
Certain autoimmune conditions are associated with an increased risk of lymphoid malignancy. We report a 65-year old patient with autoimmune hemolytic anemia (AIHA) complicated by a follicular lymphoma (FL) in situ and other B-cell clones in the spleen. This diagnosis was made by immunohistochemistry, flow cytometry, and Southern blot analysis of the B-cell receptor. Chromosomal analysis revealed 46,XX,t(14;18)(q32;q21) 2/20, 46,XX,del(7)(q?),del(11)(q?) 2/20, and 46,XX 16/20. It has been speculated that these preneoplastic conditions do not progress to overt FL and other lymphomas without a second lymphomagenic insult...
January 4, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28215418/immunomodulatory-hemolytic-properties-and-cytotoxic-activity-potent-of-triterpenoid-saponins-from-cephalaria-balansae
#16
Hilal Top, Nazli Boke Sarikahya, Ayse Nalbantsoy, Suheyla Kirmizigul
Phytochemical investigations on n-butanol extract of Cephalaria balansae Raus. (Caprifoliaceae) led to the isolation of four previously undescribed triterpenoid saponins based on hederagenin type aglycone, namely, balansoides A-D, along with ten known compounds. Their structures were proposed based on 1D and 2D NMR spectroscopic data, HRESIMS analysis and chemical evidence as 3-O-α-L-rhamnopyranosyl-(1 → 3)-β-D-xylopyranosyl-(1 → 3)-α-L-rhamnopyranosyl-(1 → 2)-α-L-arabinopyranosyl hederagenin, 3-O-α-L-rhamnopyranosyl-(1 → 3)-β-D-xylopyranosyl-(1 → 3)-α-L-rhamnopyranosyl-(1 → 2)-α-L-arabinopyranosyl hederagenin 28-O-β-D-glucopyranosyl ester, 3-O-α-L-rhamnopyranosyl-(1 → 3)-β-D-xylopyranosyl-(1 → 3)-α-L-rhamnopyranosyl-(1 → 2)-α-L-arabinopyranosyl hederagenin 28-O-β-D-galactopyranosyl-(1 → 6)-β-D-glucopyranosyl ester and 3-O-α-L-rhamnopyranosyl-(1 → 3)-β-D-xylopyranosyl-(1 → 3)-α-L-rhamnopyranosyl-(1 → 2)-α-L-arabinopyranosyl hederagenin 28-O-β-D-glucopyranosyl-(1 → 6)-β-D-glucopyranosyl ester...
February 16, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28212921/towards-developing-criteria-for-scleroderma-renal-crisis-a-scoping-review
#17
REVIEW
Sabrina Hoa, Edward P Stern, Christopher P Denton, Marie Hudson
OBJECTIVE: The absence of a gold standard for scleroderma renal crisis (SRC) has hindered our understanding of this problem. The objective of this scoping review was to identify the criteria used to define SRC in order to guide the development of a consensus definition for SRC. METHODS: We conducted a search in three databases: Medline, Embase and non-Ovid Pubmed. Papers were eligible for inclusion if they were full-length articles in English whose main topic was SRC or scleroderma renal disease...
February 14, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28211788/hemolytic-uremic-syndrome-complicated-by-clostridium-septicum-bacteremia-and-new-onset-type-1-diabetes-mellitus-report-of-a-case%C3%A2
#18
Anna C Iddings, Asha N Shenoi, Alba Morales Pozzo, Stefan G Kiessling
We report the unusual case of a 5-year-old male hospitalized for management of diabetic ketoacidosis (DKA) and new-onset type 1 diabetes mellitus (T1DM) who developed acute renal injury secondary to hemolytic uremic syndrome (HUS). He was diagnosed with Shiga toxin-producing entero-hemorrhagic Escherichia coli (EHEC) 0157:H7-positive HUS 48 hours after being diagnosed with new-onset T1DM/DKA. His hospital course was complicated by Clostridium septicum sepsis with colonic perforation. This patient's diagnosis of new-onset T1DM just prior to HUS is novel...
February 17, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28211294/hemopred-a-web-server-for-predicting-the-hemolytic-activity-of-peptides
#19
Thet Su Win, Aijaz Ahmad Malik, Virapong Prachayasittikul, Jarl E S Wikberg, Chanin Nantasenamat, Watshara Shoombuatong
AIM: Toxicity arising from hemolytic activity of peptides hinders its further progress as drug candidates. MATERIALS & METHODS: This study describes a sequence-based predictor based on a random forest classifier using amino acid composition, dipeptide composition and physicochemical descriptors (named HemoPred). RESULTS: This approach could outperform previously reported method and typical classification methods (e.g., support vector machine and decision tree) verified by fivefold cross-validation and external validation with accuracy and Matthews correlation coefficient in excess of 95% and 0...
February 17, 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28211224/splenectomy-resolves-hemolytic-anemia-caused-by-adenylate-kinase-deficiency
#20
Hidetaka Niizuma, Hitoshi Kanno, Atsushi Sato, Hiromi Ogura, Masue Imaizumi
No abstract text is available yet for this article.
February 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
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