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https://www.readbyqxmd.com/read/28095018/hallway-conversations-in-physicswhat-is-the-typical-effective-dose-from-a-routine-eye-to-thigh-pet-ct-examination-assuming-an-injected-18-f-fdg-dose-of-370-mbq
#1
Shalmali Dharmadhikari, James R Galt, Jonathon A Nye
No abstract text is available yet for this article.
January 17, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28087077/alteration-of-cd39-foxp3-cd4-t-cell-and-cytokine-levels-in-eae-ms-following-anti-cd52-treatment
#2
Anudeep B Pant, Yan Wang, Daniel W Mielcarz, Eli J Kasper, Kiel M Telesford, Megan Mishra, Azizul Haque, Jacqueline Smith, Lloyd H Kasper, Sakhina Begum-Haque
While examining the therapeutic value of anti-CD52 antibody against EAE/MS, we identified a unique subset of CD39+ Tregs in repopulating GALT tissues, a major lymphoid reservoir, which was accompanied by amelioration of disease. Furthermore, anti-CD52 treatment leads to increased expression of BDNF, IL-10, and SMAD3 in the brains of EAE mice. This condition is associated with suppression of IL-17, a critical inflammatory factor in EAE/MS progression. Additionally, we found elevated levels of CD4+CD39+ Tregs in PBMCs of RRMS patients treated with humanized anti-CD52 mAb...
December 21, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28078493/false-positive-newborn-screen-using-the-beutler-spot-assay-for-galactosemia-in-glucose-6-phosphate-dehydrogenase-deficiency
#3
Grace Stuhrman, Stefanie J Perez Juanazo, Kea Crivelly, Jennifer Smith, Hans Andersson, Eva Morava
Classical galactosemia is detected through newborn screening by measuring galactose-1-phosphate uridylyltransferase (GALT) in the USA primarily via the Beutler spot assay. We report on an 18-month-old patient with glucose-6-phosphate dehydrogenase (G6PD) deficiency that was originally diagnosed with classical galactosemia. The patient presented with elevated liver function enzymes and bilirubinemia and was immediately treated with soy-based formula. Confirmatory tests revealed deficiency of the GALT enzyme, however, full-sequencing of GALT was normal, suggestive of a different ideology...
January 12, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28075131/classical-galactosemia-insight-into-molecular-pathomechanisms-by-differential-membrane-proteomics-of-fibroblasts-under-galactose-stress
#4
Simon Staubach, Stefan Müller, Murat Pekmez, Franz-Georg Hanisch
Classical galactosemia, a hereditary metabolic disease caused by the deficiency of galactose-1-phosphate uridyltransferase (GALT; EC 2.7.712), results in an impaired galactose metabolism and serious long-term developmental affection of the CNS and ovaries, potentially related in part to endogenous galactose-induced protein dysglycosylation. In search for galactose-induced changes in membrane raft proteomes of GALT-deficient cells, we performed differential analyses of lipid rafts from patient-derived (Q) and sex- and age-matched control fibroblasts (H) in the presence or absence of the stressor...
January 11, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28065439/nine-years-of-newborn-screening-for-classical-galactosemia-in-the-netherlands-effectiveness-of-screening-methods-and-identification-of-patients-with-previously-unreported-phenotypes
#5
Lindsey Welling, Anita Boelen, Terry G J Derks, Peter C J I Schielen, Maaike de Vries, Monique Williams, Frits A Wijburg, Annet M Bosch
INTRODUCTION: Newborn screening (NBS) for classical galactosemia (CG) was introduced in the Netherlands in 2007. Multiple screening methods have been used since, and currently a two-tier system is used, with residual enzyme activity of galactose-1-phosphate-uridyltransferase (GALT) and total galactose concentration in dried blood spots as the primary and secondary markers. As it is essential to monitor effectiveness of NBS programs, we assessed the effectiveness of different screening methods used over time (primary aim), and aimed to identify and investigate patients identified through NBS with previously unreported clinical and biochemical phenotypes (secondary aim)...
December 29, 2016: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28018327/correlation-of-gut-microbiota-composition-with-resistance-to-experimental-autoimmune-encephalomyelitis-in-rats
#6
Suzana Stanisavljević, Jovanka Lukić, Svetlana Soković, Sanja Mihajlovic, Marija Mostarica Stojković, Djordje Miljković, Natasa Golić
Multiple sclerosis is a chronic inflammatory disease of the central nervous system (CNS). It is widely accepted that autoimmune response against the antigens of the CNS is the essential pathogenic force in the disease. It has recently become increasingly appreciated that activated encephalitogenic cells tend to migrate toward gut associated lymphoid tissues (GALTs) and that interrupted balance between regulatory and inflammatory immunity within the GALT might have decisive role in the initiation and propagation of the CNS autoimmunity...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28011469/three-pathways-of-colonic-carcinogenesis-in-rats
#7
REVIEW
Carlos A Rubio
Colorectal cancer (CRC) is one of the more intensively studied human malignancies. For many years, the general view has been that the vast majority of CRCs in humans evolve from conventional (tubular or villous) adenomas via the adenoma-carcinoma pathway. More recently, serrated colorectal polyps (hyperplastic polyps, sessile serrated polyps and traditional serrated adenomas) have emerged as an alternative pathway of colorectal carcinogenesis in humans. Archival sections from early experiments in Sprague-Dawley (SD) rats injected with dimethylhydrazine (DMH) were reviewed and the histology of colonic neoplasias was re-evaluated...
January 2017: Anticancer Research
https://www.readbyqxmd.com/read/27960097/fluorescent-mannosides-serve-as-acceptor-substrates-for-glycosyltransferase-and-sugar-1-phosphate-transferase-activities-in-euglena-gracilis-membranes
#8
Irina M Ivanova, Sergey A Nepogodiev, Gerhard Saalbach, Ellis C O'Neill, Michael D Urbaniak, Michael A J Ferguson, Sudagar S Gurcha, Gurdyal S Besra, Robert A Field
Synthetic hexynyl α-D-mannopyranoside and its α-1,6-linked disaccharide counterpart were fluorescently labelled through CuAAC click chemistry with 3-azido-7-hydroxycoumarin. The resulting triazolyl-coumarin adducts, which were amenable to analysis by TLC, HPLC and mass spectrometry, proved to be acceptor substrates for α-1,6-ManT activities in mycobacterial membranes, as well as α- and β-GalT activities in trypanosomal membranes, benchmarking the potential of the fluorescent acceptor approach against earlier radiochemical assays...
January 13, 2017: Carbohydrate Research
https://www.readbyqxmd.com/read/27942870/new-insights-in-the-analysis-of-blunt-force-trauma-in-human-bones-preliminary-results
#9
Sarah Scheirs, Assumpció Malgosa, David Sanchez-Molina, Marisa Ortega-Sánchez, Joan Velázquez-Ameijide, Carlos Arregui-Dalmases, Jordi Medallo-Muñiz, Ignasi Galtés
Determining the time of injury is an important but still a challenging task in forensic anthropology. In literature, many descriptions can be found to make a distinction between perimortem and postmortem fractures. Characteristics that are more related to fractures in fresh conditions, however, are not extensively investigated. This study compared 28 perimortem fractures from autopsies and 21 both fresh and dry experimentally reproduced human bone fractures. Preliminary results showed the following five distinct traits that might be related to perimortem conditions: layered breakage, bone scales, crushed margins, wave lines and flakes with matching flake defect...
December 10, 2016: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/27939424/enhanced-mucosal-defense-and-reduced-tumor-burden-in-mice-with-the-compromised-negative-regulator-irak-m
#10
Daniel E Rothschild, Yao Zhang, Na Diao, Christina K Lee, Keqiang Chen, Clayton C Caswell, Daniel J Slade, Richard F Helm, Tanya LeRoith, Liwu Li, Irving C Allen
Aberrant inflammation is a hallmark of inflammatory bowel disease (IBD) and colorectal cancer. IRAK-M is a critical negative regulator of TLR signaling and overzealous inflammation. Here we utilize data from human studies and Irak-m(-/-) mice to elucidate the role of IRAK-M in the modulation of gastrointestinal immune system homeostasis. In human patients, IRAK-M expression is up-regulated during IBD and colorectal cancer. Further functional studies in mice revealed that Irak-m(-/-) animals are protected against colitis and colitis associated tumorigenesis...
February 2017: EBioMedicine
https://www.readbyqxmd.com/read/27919945/the-leloir-pathway-of-galactose-metabolism-a-novel-therapeutic-target-for-hepatocellular-carcinoma
#11
Manshu Tang, Enoabasi Etokidem, Kent Lai
Hepatocellular carcinoma (HCC) is one of the most lethal types of cancer worldwide, with poor prognosis and limited treatments. In order to identify novel therapeutic targets that will lead to development of effective therapies with manageable side effects, we tested the hypothesis that knocking-down galactokinase (GALK1) or galactose-1 phosphate uridylyltransferase (GALT) gene expression would control the growth of cultured hepatoma cells. Our results showed small interfering RNA (siRNA) against GALK1 or GALT inhibited the growth of HepG2 cells in culture...
2016: Anticancer Research
https://www.readbyqxmd.com/read/27899642/the-ucsc-genome-browser-database-2017-update
#12
Cath Tyner, Galt P Barber, Jonathan Casper, Hiram Clawson, Mark Diekhans, Christopher Eisenhart, Clayton M Fischer, David Gibson, Jairo Navarro Gonzalez, Luvina Guruvadoo, Maximilian Haeussler, Steve Heitner, Angie S Hinrichs, Donna Karolchik, Brian T Lee, Christopher M Lee, Parisa Nejad, Brian J Raney, Kate R Rosenbloom, Matthew L Speir, Chris Villarreal, John Vivian, Ann S Zweig, David Haussler, Robert M Kuhn, W James Kent
Since its 2001 debut, the University of California, Santa Cruz (UCSC) Genome Browser (http://genome.ucsc.edu/) team has provided continuous support to the international genomics and biomedical communities through a web-based, open source platform designed for the fast, scalable display of sequence alignments and annotations landscaped against a vast collection of quality reference genome assemblies. The browser's publicly accessible databases are the backbone of a rich, integrated bioinformatics tool suite that includes a graphical interface for data queries and downloads, alignment programs, command-line utilities and more...
January 4, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/27898686/gut-homing-cd4-and-cd8-t-cell-frequencies-in-hiv-infected-individuals-on-antiretroviral-treatment
#13
Olivia Briceño, Sandra Pinto-Cardoso, Nataly Rodríguez-Bernabe, Akio Murakami-Ogasawara, Gustavo Reyes-Terán
The depletion of mucosal CD4+ T-cells occurs early in HIV infection and despite years on antiretroviral treatment (ART), this population never reconstitutes to pre-HIV infection levels. In an effort to understand the effect of ART initiation and different ART regimens on the reconstitution of mucosal T cells within the gut associated lymphoid tissue (GALT), we quantified the frequency of CD4+ and CD8+ T cells expressing the gut homing receptors CCR9 and β7 in peripheral blood (PB) of HIV infected individuals naive to ART and treated individuals on both short-term (less than a year) and long-term ART (more than 2 years)...
2016: PloS One
https://www.readbyqxmd.com/read/27888523/the-cotton-%C3%AE-galactosyltransferase-1-galt1-that-galactosylates-arabinogalactan-proteins-participates-in-controlling-fiber-development
#14
Li-Xia Qin, Yun Chen, Wei Zeng, Yang Li, Lu Gao, Deng-Di Li, Antony Bacic, Wen-Liang Xu, Xue-Bao Li
Arabinogalactan-proteins (AGPs) are highly glycosylated proteins which play pivotal roles in diverse developmental processes in plants. Type II AG glycans, mostly O-linked to the hydroxyproline residues of the protein backbone, account for up to 95% w/w of the AGP, but their functions are still largely unclear. Cotton fibers are extremely elongated single-cell trichomes on the seed epidermis. However, little is known of the molecular basis governing the regulation of fiber cell development. Here, we characterized the role of a CAZy glycosyltransferase (GT) family 31 member GhGalT1 in cotton fiber development...
November 26, 2016: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/27869292/model-based-investigation-of-intracellular-processes-determining-antibody-fc-glycosylation-under-mild-hypothermia
#15
Si Nga Sou, Philip M Jedrzejewski, Ken Lee, Christopher Sellick, Karen M Polizzi, Cleo Kontoravdi
Despite the positive effects of mild hypothermic conditions on monoclonal antibody (mAb) productivity (qmAb ) during mammalian cell culture, the impact of reduced culture temperature on mAb Fc-glycosylation and the mechanism behind changes in the glycan composition is not fully established. The lack of knowledge about the regulation of dynamic intracellular processes under mild hypothermia restricts bioprocess optimisation. To address this issue, a mathematical model that quantitatively describes CHO cell behaviour and metabolism, mAb synthesis and its N-linked glycosylation profiles before and after the induction of mild hypothermia is constructed using two sets of parameters...
November 21, 2016: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/27863570/radionuclide-therapies-in-molecular-imaging-and-precision-medicine
#16
REVIEW
A Tuba Kendi, Valeria M Moncayo, Jonathon A Nye, James R Galt, Raghuveer Halkar, David M Schuster
This article reviews recent advances and applications of radionuclide therapy. Individualized precision medicine, new treatments, and the evolving role of radionuclide therapy are discussed.
January 2017: PET Clinics
https://www.readbyqxmd.com/read/27837085/kns4-upex1-a-type-ii-arabinogalactan-%C3%AE-1-3-galactosyltransferase-required-for-pollen-exine-development
#17
Toshiya Suzuki, Joan Oñate Narciso, Wei Zeng, Allison van de Meene, Masayuki Yasutomi, Shunsuke Takemura, Edwin R Lampugnani, Monika S Doblin, Antony Bacic, Sumie Ishiguro
Pollen exine is essential for protection from the environment of the male gametes of seed-producing plants, but its assembly and composition remain poorly understood. We previously characterized Arabidopsis (Arabidopsis thaliana) mutants with abnormal pollen exine structure and morphology that we named kaonashi (kns). Here we describe the identification of the causal gene of kns4 that was found to be a member of the CAZy glycosyltransferase 31 gene family, identical to UNEVEN PATTERN OF EXINE1, and the biochemical characterization of the encoded protein...
January 2017: Plant Physiology
https://www.readbyqxmd.com/read/27822211/cd4-t-follicular-helper-and-iga-b-cell-numbers-in-gut-biopsies-from-hiv-infected-subjects-on-antiretroviral-therapy-are-similar-to-hiv-uninfected-individuals
#18
John Zaunders, Mark Danta, Michelle Bailey, Gerald Mak, Katherine Marks, Nabila Seddiki, Yin Xu, David J Templeton, David A Cooper, Mark A Boyd, Anthony D Kelleher, Kersten K Koelsch
BACKGROUND: Disruption of gastrointestinal tract epithelial and immune barriers contribute to microbial translocation, systemic inflammation, and progression of HIV-1 infection. Antiretroviral therapy (ART) may lead to reconstitution of CD4(+) T cells in gut-associated lymphoid tissue (GALT), but its impact on humoral immunity within GALT is unclear. Therefore, we studied CD4(+) subsets, including T follicular helper cells (Tfh), as well as resident B cells that have switched to IgA production, in gut biopsies, from HIV(+) subjects on suppressive ART compared to HIV-negative controls (HNC)...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27818646/immunoprotective-efficacy-of-six-in-vivo-induced-antigens-against-actinobacillus-pleuropneumoniae-as-potential-vaccine-candidates-in-murine-model
#19
Fei Zhang, Sanjie Cao, Zhuang Zhu, Yusheng Yang, Xintian Wen, Yung-Fu Chang, Xiaobo Huang, Rui Wu, Yiping Wen, Qigui Yan, Yong Huang, Xiaoping Ma, Qin Zhao
Six in vivo-induced (IVI) antigens-RnhB, GalU, GalT, Apl_1061, Apl_1166, and HflX were selected for a vaccine trial in a mouse model. The results showed that the IgG levels in each immune group was significantly higher than that of the negative control (P < 0.001). Except rRnhB group, proliferation of splenocytes was observed in all immunized groups and a relatively higher proliferation activity was observed in rGalU and rGalT groups (P < 0.05). In the rGalT vaccinated group, the proportion of CD4+ T cells in spleen was significant higher than that of negative control (P < 0...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27810921/gut-dysbiosis-impairs-recovery-after-spinal-cord-injury
#20
Kristina A Kigerl, Jodie C E Hall, Lingling Wang, Xiaokui Mo, Zhongtang Yu, Phillip G Popovich
The trillions of microbes that exist in the gastrointestinal tract have emerged as pivotal regulators of mammalian development and physiology. Disruption of this gut microbiome, a process known as dysbiosis, causes or exacerbates various diseases, but whether gut dysbiosis affects recovery of neurological function or lesion pathology after traumatic spinal cord injury (SCI) is unknown. Data in this study show that SCI increases intestinal permeability and bacterial translocation from the gut. These changes are associated with immune cell activation in gut-associated lymphoid tissues (GALTs) and significant changes in the composition of both major and minor gut bacterial taxa...
November 14, 2016: Journal of Experimental Medicine
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