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https://www.readbyqxmd.com/read/28736804/study-of-the-association-between-histo-blood-group-antigens-and-norovirus-infection-in-chinese-children
#1
Zhu-Lun Zhuang, Yu Jin, Kun-Long Yan, Wei-Xia Cheng
Human caliciviruses (HuCVs) have been recognized as a major cause of sporadic viral diarrhea in children, among which norovirus genotype GII.4 is the most prevalent genotype. Stool and saliva samples were collected from 295 children with acute diarrhea and 150 asymptomatic children at a hospital in China. The HuCV detection rate was 10.85% (32/295) among the children with acute diarrhea, and all of these 32 children were either HBGA secretors (12/32) or partial secretors (20/32). HuCV was detected in two (1...
July 24, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28727368/medical-ozone-therapy-reduces-oxidative-stress-and-testicular-damage-in-an-experimental-model-of-testicular-torsion-in-rats
#2
Mustafa Tusat, Ahmet Mentese, Selim Demir, Ahmet Alver, Mustafa Imamoglu
OBJECTIVE: Testicular torsion (TT) refers to rotation of the testis and twisting of the spermatic cord. TT results in ischemia-reperfusion (I/R) injury involving increased oxidative stress, inflammation and apoptosis, and can even lead to infertility. The aim of this study was to investigate the effect of ozone therapy on testicular damage due to I/R injury in an experimental torsion model. MATERIALS AND METHODS: 24 male Sprague-Dawley rats were divided into 3 groups; sham-operated, torsion/detorsion (T/D), and T/D+ozone...
June 14, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28716765/sporadic-endolymphatic-sac-tumor-a-very-rare-cause-of-hearing-loss-tinnitus-and-dizziness
#3
Didde Trærup Schnack, Katalin Kiss, Søren Hansen, Hidemi Miyazaki, Birgitte Bech, Per Caye Thomasen
Sporadic endolymphatic sac tumor is a very rare neoplasm. It is low malignant, locally destructive and expansive, but non-metastasizing. The tumor is very rare in the sporadic form, but more often associated with Von Hippel-Lindau disease. A 65-year old man with left sided tinnitus and hearing loss for several months. Audiometry showed an asymmetrical sensory neural hearing loss on the left side up to 60 dB. The speech discrimination score was 46% and stapedial reflexes were absent. Several years earlier, he had suffered from periods of dizziness...
July 17, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/28707954/lymphoepithelial-carcinoma-of-salivary-glands-ct-and-mr-imaging-findings
#4
Pingzhong Wang, Jie Yang, Qiang Yu
OBJECTIVES: To depict the CT and MR imaging characteristics of salivary gland lymphoepithelial carcinoma (LEC) and provide more diagnostic information for this malignancy. METHODS: One hundred and three salivary gland LEC subjects were retrospectively reviewed. The subjects include 35 males with a mean age of 40.8 years and 68 females with a mean age of 49.4 years. Of 103 subjects, 86 subjects were in the parotid gland, five in the submandibular gland, one in the sublingual gland, three in the cheek, and eight in the palate...
July 14, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28698040/role-of-class-ii-p-fimbriae-and-cytokine-response-in-the-pathogenesis-of-escherichia-coli-kidney-infection-in-diabetic-mice
#5
Chin-Chung Tseng, Ming-Cheng Wang, Wei-Hung Lin, I-Chuang Liao, Wen-Chung Chen, Ching-Hao Teng, Jing-Jou Yan, An-Bang Wu, Jiunn-Jong Wu
BACKGROUND: The role of class II P fimbriae (P fimbriae II) in diabetic kidney infections is uncertain, although some genetic and epidemiological studies suggest a lower prevalence of P fimbriae II genes in Escherichia coli strains isolated from diabetic patients with complicated kidney infections. METHODS: We inoculated a P fimbriae II deficient E. coli (DH5αT) or an isogenic P fimbriae II expressing transformant (DH5αTP) into the bladders of diabetic and non-diabetic BALB/C mice, and sacrificed them after 3 days...
June 29, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28691450/ultrasound-imaging-of-oral-fibroma-a-case-report
#6
D Di Stasio, D Lauritano, R Paparella, R Franco, M Montella, R Serpico, A Lucchese
Oral mucosa is constantly under the influence of various internal and external stimuli, therefore it is interested by a range of developmental disorders, irritation, inflammation, and neoplastic conditions. Traumatic fibroma is one of these lesions. The aim of this work is to obtain an ultrasound characterization of a lip fibroma with a high frequency probe (8-18 MHz) as feasibility and experimental model of this non-invasive technique in the oral mucosa compared with its histo-pathological section. Ultrasound characterization of a fibroma in a 50-year-old patient in the right retro commissural area of mucosa was performed...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28689269/pulmonary-endothelial-chimerism-after-hematopoietic-stem-cell-transplantation
#7
Kyoko Hijiya, Toyofumi Fengshi Chen-Yoshikawa, Aya Miyagawa-Hayashino, Tadakazu Kondo, Akihiro Aoyama, Hironori Haga, Akifumi Takaori-Kondo, Hiroshi Date
PURPOSE: Few studies have investigated pulmonary endothelial chimerism after hematopoietic stem cell transplantation. In the present study, we investigated pulmonary endothelial chimerism using the ABH histo-blood group antigen as an identifying marker in cases of ABO-incompatible hematopoietic stem cell transplantation. METHODS: Sixteen lung samples were analyzed. Of these, seven were explanted lungs from lung transplant recipients with severe pulmonary chronic graft-versus-host disease (GVHD)...
July 8, 2017: Surgery Today
https://www.readbyqxmd.com/read/28663001/a-plate-based-histo-blood-group-antigen-binding-assay-for-evaluation-of-human-norovirus-receptor-binding-ability
#8
Matthew D Moore, Lee-Ann Jaykus
Human norovirus is a leading cause of gastroenteritis worldwide. Although two in vitro cultivation methods have been reported, they cannot provide mechanistic insights into viral inactivation. Receptor-binding assays supplement these assays and give insight into capsid integrity. We present a streamlined version of a receptor-binding assay with minimal time-to-result while maintaining accuracy and high throughput. We validate assay performance for physical and chemical inactivation treatments of a norovirus GII...
June 27, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28660402/bisphosphonate-induced-zebra-lines-in-fibrous-dysplasia-of-bone-histo-radiographic-correlation-in-a-case-of-mccune-albright-syndrome
#9
Alessandro Corsi, Ernesto Ippolito, Pamela G Robey, Mara Riminucci, Alan Boyde
Bisphosphonates (BPs) are currently used in the treatment of diverse bone diseases including fibrous dysplasia of bone (FD). In pediatric patients, a radiographic consequence of cyclical administration of BPs is the development of apo-, epi-, and meta-physeal sclerotic bands, otherwise known as zebra lines, which result from the temporary inhibition of osteoclastic activity at the time of drug treatment. We report here on a child with McCune-Albright syndrome (FD in addition to hyperfunctioning endocrinopathies and skin hyperpigmentation) treated with cyclical intravenous infusions of pamidronate in which conventional radiography, contact microradiography, histology, and backscattered electron image analysis demonstrated that zebra lines formed only where bone was normal, were arrested at the boundary between FD-unaffected and FD-affected bone where bone is sclerotic, and were absent within the undermineralized FD bone...
June 28, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28645295/identification-of-the-flotillin-1-2-heterocomplex-as-a-target-of-autoantibodies-in-bona-fide-multiple-sclerosis
#10
S Hahn, G Trendelenburg, M Scharf, Y Denno, S Brakopp, B Teegen, C Probst, K P Wandinger, M Buttmann, A Haarmann, F Szabados, M Vom Dahl, T Kümpfel, P Eichhorn, H Gold, F Paul, S Jarius, N Melzer, W Stöcker, L Komorowski
BACKGROUND: Autoantibodies, in particular those against aquaporin-4 and myelin-oligodendrocyte glycoprotein (MOG), aid as biomarkers in the differential diagnosis of demyelination. Here, we report on discovery of autoantibodies against flotillin in patients with multiple sclerosis (MS). METHODS: The target antigen was identified by histo-immunoprecipitation using the patients' sera and cryosections of rat or pig cerebellum combined with mass spectrometrical analysis...
June 23, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28642740/multigenerational-influences-of-the-fut2-gene-on-the-dynamics-of-the-gut-microbiota-in-mice
#11
Philipp Rausch, Sven Künzel, Abdulhadi Suwandi, Guntram A Grassl, Philip Rosenstiel, John F Baines
The FUT2 gene encodes an α-1,2-fucosyltransferase responsible for the expression of ABO histo-blood-group antigens on mucosal surfaces and bodily secretions. Individuals who carry at least one functional allele are known as "secretors," whereas those homozygous for loss-of-function mutations are known as "non-secretors." Non-secretor individuals are more susceptible to chronic inflammatory disorders such as Crohn's Disease, which may be mediated by alterations in the microbiota. Here, we investigated the dynamics of microbial community assembly with respect to genotype using a Fut2-deficient mouse model, taking the genotype of the maternal lineage over two generations into account...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28640138/an-unusual-presentation-of-multiple-myeloma-with-unilateral-sudden-vision-loss-a-case-report
#12
Pei-Wen Wu, Ta-Jen Lee, Jim-Ray Chen, Chien-Chia Huang
RATIONALE: Plasma cell neoplasms are categorized by neoplastic proliferation of a single clone of plasma cells which produce a monoclonal immunoglobulin. Plasma cell neoplasms can present as a solitary plasmacytoma or as multiple myeloma. Both of them can progress to multiple myeloma. Once a diagnosis of plasmacytoma has been made, thorough examinations should be carried out for identifying the disease entity. PATIENT CONCERNS AND DIAGNOSES: Herein, we describe an extraordinary rare case of multiple myeloma with initial presentation of a left sphenoid neoplasm resulting in left-sided headache and rapid deterioration of visual acuity...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639539/foreskin-and-the-molecular-politics-of-risk
#13
Aaron T Norton
In this paper, I examine disputes over recent claims that male circumcision reduces HIV risk to suggest a complicated relationship between risk individualization and categorization. Whereas randomized controlled trials (RCTs) conducted in sub-Saharan Africa appear to have provided key evidence for the World Health Organization's endorsement of male circumcision as an HIV prevention strategy, RCTs alone did not provide evidence for the underlying causal mechanism. For that, medical authorities have turned to histo-immunological studies of the foreskin's biomolecular vulnerability to HIV, thus molecularizing risk...
June 1, 2017: Social Studies of Science
https://www.readbyqxmd.com/read/28629785/-interest-using-3d-ultrasound-and-mri-fusion-biopsy-for-prostate-cancer-detection
#14
A Marien, A De Castro Abreu, I Gill, A Villers, O Ukimura
INTRODUCTION: The strategic therapy for prostate cancer depends on histo-pronostics data, which could be upgraded by obtaining targeted biopsies (TB) with MRI (magnetic resonance imagery) fusion 3D ultrasound. OBJECTIVES: To compare diagnostic yield of image fusion guided prostate biopsy using image fusion of multi-parametric MRI (mpMRI) with 3D-TRUS. MATERIALS AND METHODS: Between January 2010 and April 2013, 179 consecutive patients underwent outpatient TRUS biopsy using the real-time 3D TRUS tracking system (Urostation™)...
June 16, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28624578/accuracy-in-diagnosis-of-celiac-disease-without-biopsies-in-clinical-practice
#15
K J Werkstetter, I R Korponay-Szabó, A Popp, V Villanacci, M Salemme, G Heilig, S T Lillevang, M L Mearin, C Ribes-Koninckx, A Thomas, R Troncone, B Filipiak, M Mäki, J Gyimesi, M Najafi, J Dolinšek, S Dydensborg Sander, R Auricchio, A Papadopoulou, A Vécsei, P Szitanyi, E Donat, R Nenna, Ph Alliet, F Penagini, H Garnier-Lengliné, G Castillejo, K Kurppa, R Shamir, A C Hauer, F Smets, S Corujeira, M van Winckel, S Buderus, S Chong, S Husby, S Koletzko, Piotr Socha, Bozena Cukrowska, Hania Szajewska, Jan Wyhowski, Nailah Brown, Gauri Batra, Zrinjka Misak, Sven Seiwerth, Yulia Dmitrieva, Dmitry Abramov, Yvan Vandenplas, Annieta Goossens, Maaike W Schaart, V T H B M Smit, Nicolas Kalach, Pierre Gosset, Judit B Kovács, Anikó Nagy, Ilona Lellei, Rita Kőbányai, Katayoun Khatami, Maryam Monajemzadeh, Konstantina Dimakou, Amalia Patereli, Tine Plato Hansen, Rajko Kavalar, Miguel Bolonio, Hubert Kogler, Gabriele Amann, Roberta Kosova, Mariantonia Maglio, Elke Janssens, Ruth Achten, Pavel Frűhauf, Helena Skálová, Thomas Kirchner, Laura Petrarca, Fabio Massimo Magliocca, Francesc Martínez, Vanesa Morente, Sonja Thanner-Lechner, Manfred Ratschek, Marco Gasparetto, Liz Hook, Danielle Canioni, Catherine Wanty, Anne Mourin, Kaija Laurila, Martine Vornane, Vered Nachmias Friedler, Sara L Morgenstern, Jorge Amil Dias, Fátima Carneiro, Stephanie Van Biervliet, Saskia Vande Velde, Hany Banoub, Steve Sampson, Annette M Müller, Adina Ene, Mandana Rafeey, Iran Amir Taher Eftekhar Sadat
BACKGROUND & AIMS: The guidelines of the European Society of Pediatric Gastroenterology, Hepatology, and Nutrition allow for diagnosis of celiac disease without biopsies in children with symptoms and levels of immunoglobulin A against tissue-transglutaminase (TGA-IgA) 10-fold or more the upper limit of normal (ULN), confirmed by detection of endomysium antibodies (EMA) and positivity for HLA-DQ2/DQ8. We performed a large, international prospective study to validate this approach. METHODS: We collected data from consecutive pediatric patients (18 years or younger) on a gluten-containing diet who tested positive for TGA-IgA from November 2011 through May 2014, seen at 33 pediatric gastroenterology units in 21 countries...
June 15, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28614062/brca-mutations-in-the-manifestation-and-treatment-of-ovarian-cancer
#16
REVIEW
Zimin Pan, Xing Xie
BRCA genes are important for the integrity and stability of genetic material and play key roles in repairing DNA breaks via high fidelity homologous recombination. BRCA mutations are known to predispose carriers to gynecological malignancies, accounting for a majority of hereditary OC cases. Known to be lethal, OC is difficult to detect and control. Testing for BRCA mutations is a key step in the risk assessment, prognosis, treatment and prevention of OC and current clinical guidelines recommend BRCA mutation testing for all OCs of epithelial origin...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28603012/an-improved-three-vessel-occlusion-model-of-global-cerebral-ischemia-in-rats
#17
Dmitriy N Atochin, Galina A Chernysheva, Oleg I Aliev, Vera I Smolyakova, Anton N Osipenko, Sergey V Logvinov, Anna A Zhdankina, Tatiana M Plotnikova, Mark B Plotnikov
We developed an improved three-vessel occlusion model of global cerebral ischemia in rats. This method consists in cessation of cerebral blood flow by accessing a. carotis communis sinistra through the ventral surface of the neck as well as tr. brachiocephalicus and a. subclavia sinistra through the first intercostal space, bypassing the pleural cavity and excluding pneumothorax. After the occlusion of the vessels that resulted in interruption of their blood flow, according to laser-Doppler flowmetry, there was a sharp decline in local cerebral blood flow in the visual cortex to 4±1% of the initial level...
June 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28600317/efficacy-of-neutral-electrolyzed-water-for-inactivation-of-human-norovirus
#18
Eric Moorman, Naim Montazeri, Lee-Ann Jaykus
Human norovirus (NoV) is the leading cause of acute gastroenteritis worldwide. Persistence on surfaces and resistance to many conventional disinfectants contribute to widespread transmission of norovirus. We examined the efficacy of neutral electrolyzed water (NEW, pH 7) for inactivation of human NoV GII.4 Sydney in suspension (ASTM method 1052-11) and on stainless steel surfaces (ASTM method 1053-11), with and without an additional soil load. The impact of the disinfectant on viral capsid was assessed using RT-qPCR preceded with an RNase pre-treatment as well as by SDS-PAGE, transmission electron microscopy, and histo-blood group antigen (HBGA) receptor-binding assay...
June 9, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28591681/structural-features-of-glycan-recognition-among-viral-pathogens
#19
REVIEW
Sreejesh Shanker, Liya Hu, Sasirekha Ramani, Robert L Atmar, Mary K Estes, B V Venkataram Prasad
Recognition and binding to host glycans present on cellular surfaces is an initial and critical step in viral entry. Diverse families of host glycans such as histo-blood group antigens, sialoglycans and glycosaminoglycans are recognized by viruses. Glycan binding determines virus-host specificity, tissue tropism, pathogenesis and potential for interspecies transmission. Viruses including noroviruses, rotaviruses, enteroviruses, influenza, and papillomaviruses have evolved novel strategies to bind specific glycans often in a strain-specific manner...
June 4, 2017: Current Opinion in Structural Biology
https://www.readbyqxmd.com/read/28580709/early-ovariectomy-reveals-the-germline-encoding-of-natural-anti-a-and-tn-cross-reactive-immunoglobulin-m-igm-arising-from-developmental-o-galnac-glycosylations-germline-encoded-natural-anti-a-tn-cross-reactive-igm
#20
Peter Arend
While native blood group A-like glycans have not been demonstrated in prokaryotic microorganisms as a source of human "natural" anti-A isoagglutinin production, and metazoan eukaryotic N-acetylgalactosamine O-glycosylation of serine or threonine residues (O-GalNAc-Ser/Thr-R) does not occur in bacteria, the O-GalNAc glycan-bearing ovarian glycolipids, discovered in C57BL/10 mice, are complementary to the syngeneic anti-A-reactive immunoglobulin M (IgM), which is not present in animals that have undergone ovariectomy prior to the onset of puberty...
July 2017: Cancer Medicine
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