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https://www.readbyqxmd.com/read/28633098/high-prevalence-of-cytomegalovirus-infection-in-surgical-intestinal-specimens-from-infants-with-necrotizing-enterocolitis-and-spontaneous-intestinal-perforation-a-retrospective-observational-study
#1
Soley Omarsdottir, Margret Agnarsdottir, Charlotte Casper, Abiel Orrego, Mireille Vanpée, Afsar Rahbar, Cecilia Söderberg-Nauclér
BACKGROUND: Necrotizing enterocolitis (NEC) is a severe, often fatal gastrointestinal emergency that predominantly affects preterm infants, and there is evidence that neonatal cytomegalovirus (CMV) infection may in some cases contribute to its pathogenesis. OBJECTIVES: This study aimed to evaluate the prevalence of CMV in infants with NEC. STUDY DESIGN: Seventy intestinal specimens from 61 infants with NEC, spontaneous intestinal perforation (SIP), or related surgical complications were collected at Karolinska University Hospital and Uppsala University Hospital, Sweden...
June 3, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28623755/effects-of-adjunctive-lacosamide-on-mood-and-quality-of-life-in-patients-with-epilepsy
#2
Luba Nakhutina, Saroj D Kunnakkat, Madeleine Coleman, Catherine Lushbough, Vanessa Arnedo, Nirali Soni, Arthur C Grant
We examined the effects of adjunctive lacosamide (LCM) on mood and quality of life (QOL) in adult patients with partial-onset seizures in a prospective, controlled, single-blind study. Patients in whom LCM was added to their AED regimen for clinical indications comprised the LCM group (n=18), while the control group (n=32) comprised patients on ≥2 AEDs with anticipated stable dosing for the duration of the study. Profile of Mood States (POMS) and QOLIE-89 were used to assess mood and QOL at enrollment and 12-16weeks later...
June 14, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28623754/quality-of-life-mood-and-seizure-control-in-patients-with-brain-tumor-related-epilepsy-treated-with-lacosamide-as-add-on-therapy-a-prospective-explorative-study-with-a-historical-control-group
#3
Marta Maschio, Alessia Zarabla, Andrea Maialetti, Alessandra Fabi, Antonello Vidiri, Veronica Villani, Diana Giannarelli
OBJECTIVE: Brain tumor-related epilepsy (BTRE) is often drug resistant and patients can be forced to take polytherapy that can adversely affect their quality of life (QoL). Lacosamide (LCM) is a new antiepileptic drug (AED) used as adjunctive therapy in patients with partial seizures with or without secondary generalization, with a favorable pharmacokinetic profile that seems to be effective and well tolerated. Therefore it represents a possible therapeutic choice for patients with BTRE...
June 14, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28622537/intravenous-lacosamide-in-status-epilepticus-correlation-between-loading-dose-serum-levels-and-clinical-response
#4
Matthieu Perrenoud, Pascal André, Vincent Alvarez, Christine Stähli, Laurent A Decosterd, Andrea O Rossetti, Jan Novy
INTRODUCTION: Intravenous lacosamide (LCM) is increasingly used in the treatment of status epilepticus (SE), but optimal loading dose and target serum levels are unclear. We analysed the correlation between LCM serum levels after intravenous loading dose and clinical response. MATERIALS AND METHODS: Retrospective study in two centres from December 2014 to May 2016 including consecutive SE patients treated with LCM, in which trough serum levels after intravenous loading dose were available...
May 20, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28614204/human-papillomavirus-hpv-genotypes-in-condylomas-intraepithelial-neoplasia-and-invasive-carcinoma-of-the-penis-using-laser-capture-microdissection-lcm-pcr-a-study-of-191-lesions-in-43-patients
#5
María J Fernández-Nestosa, Nuria Guimerà, Diego F Sanchez, Sofía Cañete-Portillo, Elsa F Velazquez, David Jenkins, Wim Quint, Antonio L Cubilla
Laser capture microdissection-polymerase chain reaction (LCM-PCR) supported by p16 was used for the first time to demonstrate human papillomavirus (HPV) DNA in histologically specific penile lesions, which were as follows: squamous hyperplasia (12 lesions, 10 patients), flat lesions (12 lesions, 5 patients), condylomas (26 lesions, 7 patients), penile intraepithelial neoplasia (PeIN) (115 lesions, 43 patients), and invasive squamous cell carcinomas (26 lesions, 26 patients). HPV was detected by whole-tissue section and LCM-PCR...
June 13, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28607084/systems-guided-forward-genetic-screen-reveals-a-critical-role-of-the-replication-stress-response-protein-etaa1-in-t-cell-clonal-expansion
#6
Lisa A Miosge, Yovina Sontani, Aaron Chuah, Keisuke Horikawa, Tiffany A Russell, Yan Mei, Mayura V Wagle, Debbie R Howard, Anselm Enders, David C Tscharke, Christopher C Goodnow, Ian A Parish
T-cell immunity requires extremely rapid clonal proliferation of rare, antigen-specific T lymphocytes to form effector cells. Here we identify a critical role for ETAA1 in this process by surveying random germ line mutations in mice using exome sequencing and bioinformatic annotation to prioritize mutations in genes of unknown function with potential effects on the immune system, followed by breeding to homozygosity and testing for immune system phenotypes. Effector CD8(+) and CD4(+) T-cell formation following immunization, lymphocytic choriomeningitis virus (LCMV) infection, or herpes simplex virus 1 (HSV1) infection was profoundly decreased despite normal immune cell development in adult mice homozygous for two different Etaa1 mutations: an exon 2 skipping allele that deletes Gly78-Leu119, and a Cys166Stop truncating allele that eliminates most of the 877-aa protein...
June 12, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28589344/detecting-gene-expression-in-lymphoid-microenvironments-by-laser-microdissection-and-quantitative-rt-pcr
#7
Yang Zhang, Laura Garcia-Ibanez, Geoffrey Brown, Kai-Michael Toellner
Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) is a valuable tool for measuring gene expression in cells and tissues. Unique challenges are encountered when studies are performed on cells microdissected from small specific areas of frozen animal or human tissue. This chapter describes the analysis of gene expression of chemokines and cytokines that are important for the differentiation and migration of germinal center (GC) derived plasmablasts/plasma cells and memory B cells by using laser capture microdissection (LCM) and qRT-PCR to examine tissue sections...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28575767/lacosamide-and-concomitant-use-of-antiepileptic-and-other-medications-in-a-us-population-a-retrospective-cohort-study
#8
Linda Kalilani, Chao Lu, Bosny Pierre-Louis, Michael Gold
Information on the use of lacosamide and concomitant antiepileptic and non-antiepileptic drugs (non-AEDs) is available from clinical trials and observational studies with small sample sizes. This retrospective cohort study was conducted to gain insight into the use of lacosamide in a large number of patients with epilepsy in real-life clinical practice with less restrictive selection criteria compared with clinical trial participants. The Truven Health MarketScan (Commercial Claims and Medicare Supplemental) database was used to identify patients with a prior diagnosis of epilepsy with at least one prescription claim for lacosamide between June 2009 and September 2013 and continuous health insurance enrolment with medical and pharmacy coverage during the 1-year pre-index baseline period...
May 30, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28572795/cephalosporin-glycopeptide-combinations-for-use-against-clinical-methicillin-resistant-staphylococcus-aureus-isolates-enhanced-in-vitro-antibacterial-activity
#9
Hung-Jen Tang, Chih-Cheng Lai, Chi-Chung Chen, Chun-Cheng Zhang, Tzu-Chieh Weng, Wen-Liang Yu, Hung-Jui Chen, Yu-Hsin Chiu, Wen-Chien Ko, Yin-Ching Chuang
The empirical combination of both a beta-lactam and glycopeptide to counter potential staphylococcal pathogens may improve the clinical outcomes for cases of Staphylococcus aureus bacteremia. We reported comparative in vitro studies of combination effects of different cephalosporins (i.e., cefazolin, cefmetazole, cefotaxime, and cefepime) combined with glycopeptides for 34 randomly selected methicillin-resistant S. aureus (MRSA) isolates by three methods, including the checkerboard, time-killing, and combination MIC measurement methods...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28566141/bibrachial-plegia-due-to-lyme-radiculopoliomyelitis-myelitis
#10
Feras Akbik, Marcelo Matiello, Amanda Piquet, Tracey Cho, Adam Cohen, Nagagopal Venna
Nervous system involvement occurs in up to 15% of patients with Lyme disease, most commonly manifested as cranial neuropathy, lymphocytic meningitis, and or radiculoneuritis. We describe a patient with subacute radiculopoliomyelitis-myelitis matching the selective involvement of the anterior horns and roots of the cervical spinal cord seen on MRI and on electrodiagnostic studies. We demonstrate positive CSF Lyme antibodies and document a near-complete recovery with antibiotics. This case highlights the importance of recognizing an atypical presentation of Lyme disease in the setting of initial radiculitis and or myelitis, particularly given the potential for favorable outcomes with appropriate treatment...
July 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28560603/micro-rna-130a-3p-regulates-gemcitabine%C3%A2-resistance-via-pparg-in-cholangiocarcinoma
#11
Kei Asukai, Koichi Kawamoto, Hidetoshi Eguchi, Masamitsu Konno, Ayumu Asai, Yoshifumi Iwagami, Daisaku Yamada, Tadafumi Asaoka, Takehiro Noda, Hiroshi Wada, Kunihito Gotoh, Naohiro Nishida, Taroh Satoh, Yuichiro Doki, Masaki Mori, Hideshi Ishii
BACKGROUND: The prognosis of cholangiocarcinoma (CCA) is so poor that its chemoresistance needs to be reduced. In this study, we focused on the microRNAs (miRNAs) associated with gemcitabine resistance of CCA and assessed the clinical significance of miRNAs and their target genes. METHODS: We performed miRNA microarray analysis for two CCA cell lines (CCLP-1 and MzChA-1) and their gemcitabine-resistant (GR) cells. An miR-130a-3p mimic was induced into CCA cells using lipofection, and we used pioglitazone as a peroxisome proliferator-activated receptor-γ (PPARγ) agonist in vitro...
May 30, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28560490/laser-capture-microdissection-protocol-for-gene-expression-analysis-in-the-brain
#12
P Garrido-Gil, P Fernandez-Rodríguez, J Rodríguez-Pallares, Jose L Labandeira-Garcia
Laser capture microdissection (LCM) allows the isolation of specific cell populations from complex tissues that can be then used for gene expression studies. However, there are no reproducible protocols to study RNA in the brain and, particularly, in the substantia nigra. RNA is a very labile biomolecule that is easily degraded during manipulation. LCM studies use low amounts of material and special precautions must be taken to preserve RNA yield and integrity, which are decisive for PCR analysis. The RNA yield and/or integrity can be affected negatively by tissue manipulation, LCM process and RNA extraction...
May 31, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28559581/synthesis-and-structure-activity-relationships-of-novel-lincomycin-derivatives-part-4-synthesis-of-novel-lincomycin-analogs-modified-at-the-6-and-7-positions-and-their-potent-antibacterial-activities
#13
Yoshinari Wakiyama, Ko Kumura, Eijiro Umemura, Kazutaka Ueda, Takashi Watanabe, Keiko Yamada, Takafumi Okutomi, Keiichi Ajito
To modify lincomycin (LCM) at the C-6 and the C-7 positions, we firstly prepared various substituted proline intermediates (7, 11-15 and 17). These proline intermediates were coupled with methyl 1-thio-α-lincosamide and tetrakis-O-trimethylsilylation followed by selective deprotection of the TMS group at the 7-position gave a wide variety of key intermediates (23-27, 47 and 50). Then, we synthesized a variety of novel LCM analogs modified at the 7-position in application of the Mitsunobu reaction, an SN2 reaction, and a Pd-catalyzed cross-coupling reaction...
May 31, 2017: Journal of Antibiotics
https://www.readbyqxmd.com/read/28557363/localized-chemical-remodeling-for-live-cell-imaging-of-protein-specific-glycoform
#14
Jingjing Hui, Lei Bao, Siqiao Li, Yi Zhang, Yimei Feng, Lin Ding, Huangxian Ju
Live cell imaging of protein-specific glycoforms is important for the elucidation of glycosylation mechanisms and identification of disease states. The currently used metabolic oligosaccharide engineering (MOE) technology permits routinely global chemical remodeling (GCM) for carbohydrate site of interest, but can exert unnecessary whole-cell scale perturbation and generate unpredictable metabolic efficiency issue. A localized chemical remodeling (LCM) strategy for efficient and reliable access to protein-specific glycoform information is reported...
May 29, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28557002/mtorc1-signaling-is-essential-for-germinal-center-reaction
#15
Bingshou Li, Zhirong Li, Pengcheng Wang, Qizhao Huang, Lifan Xu, Ran He, Lilin Ye, Qiang Bai
The mammalian target of rapamycin (mTOR) is a serine-threonine kinase that has been shown to be essential for the differentiation and function of various immune cells. Earlier in vitro studies showed that mTOR signaling regulates B cell biology by supporting their activation and proliferation. However, how mTOR signaling temporally regulates in vivo germinal center B (GCB) cell development and differentiation into short-lived plasma cells, long-lived plasma cells and memory cells is still not well understood...
May 30, 2017: Immunology
https://www.readbyqxmd.com/read/28551737/recurrent-meningitis
#16
REVIEW
Jon Rosenberg, Benjamin T Galen
PURPOSE OF REVIEW: Recurrent meningitis is a rare clinical scenario that can be self-limiting or life threatening depending on the underlying etiology. This review describes the causes, risk factors, treatment, and prognosis for recurrent meningitis. As a general overview of a broad topic, the aim of this review is to provide clinicians with a comprehensive differential diagnosis to aide in the evaluation and management of a patient with recurrent meningitis. RECENT FINDINGS: New developments related to understanding the pathophysiology of recurrent meningitis are as scarce as studies evaluating the treatment and prevention of this rare disorder...
July 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28548102/replicating-viral-vector-platform-exploits-alarmin-signals-for-potent-cd8-t-cell-mediated-tumour-immunotherapy
#17
Sandra M Kallert, Stephanie Darbre, Weldy V Bonilla, Mario Kreutzfeldt, Nicolas Page, Philipp Müller, Matthias Kreuzaler, Min Lu, Stéphanie Favre, Florian Kreppel, Max Löhning, Sanjiv A Luther, Alfred Zippelius, Doron Merkler, Daniel D Pinschewer
Viral infections lead to alarmin release and elicit potent cytotoxic effector T lymphocyte (CTL(eff)) responses. Conversely, the induction of protective tumour-specific CTL(eff) and their recruitment into the tumour remain challenging tasks. Here we show that lymphocytic choriomeningitis virus (LCMV) can be engineered to serve as a replication competent, stably-attenuated immunotherapy vector (artLCMV). artLCMV delivers tumour-associated antigens to dendritic cells for efficient CTL priming. Unlike replication-deficient vectors, artLCMV targets also lymphoid tissue stroma cells expressing the alarmin interleukin-33...
May 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28542288/structural-models-of-the-different-trimers-present-in-the-core-of-phycobilisomes-from-gracilaria-chilensis-based-on-crystal-structures-and-sequences
#18
Jorge Dagnino-Leone, Maximiliano Figueroa, Claudia Mella, María Alejandra Vorphal, Frédéric Kerff, Aleikar José Vásquez, Marta Bunster, José Martínez-Oyanedel
Phycobilisomes (PBS) are accessory light harvesting protein complexes that directionally transfer energy towards photosystems. Phycobilisomes are organized in a central core and rods radiating from it. Components of phycobilisomes in Gracilaria chilensis (Gch) are Phycobiliproteins (PBPs), Phycoerythrin (PE), and Phycocyanin (PC) in the rods, while Allophycocyanin (APC) is found in the core, and linker proteins (L). The function of such complexes depends on the structure of each component and their interaction...
2017: PloS One
https://www.readbyqxmd.com/read/28539447/a-map-of-the-arenavirus-nucleoprotein-host-protein-interactome-reveals-that-jun%C3%A3-n-virus-selectively-impairs-the-antiviral-activity-of-pkr
#19
Benjamin R King, Dylan Hershkowitz, Philip L Eisenhauer, Marion E Weir, Christopher M Ziegler, Joanne Russo, Emily A Bruce, Bryan A Ballif, Jason Botten
Arenaviruses are enveloped negative-strand RNA viruses that cause significant human disease. Encoding only four proteins to accomplish the viral life cycle, each arenavirus protein likely plays unappreciated accessory roles during infection. Here, we used immunoprecipitation and mass spectrometry to identify human proteins that interact with the nucleoprotein (NP) of the Old World arenavirus lymphocytic choriomeningitis (LCMV) and the New World arenavirus Junín Candid #1 (JUNV). Bioinformatic analysis of the identified protein partners of NP revealed that host translation appears to be a key biological process engaged during infection...
May 24, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28536426/toll-like-receptor-4-mediates-lewis-lung-carcinoma-induced-muscle-wasting-via-coordinate-activation-of-protein-degradation-pathways
#20
Guohua Zhang, Zhelong Liu, Hui Ding, Hongyu Miao, Jose M Garcia, Yi-Ping Li
Cancer-induced cachexia, characterized by muscle wasting, is a lethal metabolic syndrome with undefined etiology. Current consensus is that multiple factors contribute to cancer-induced muscle wasting, and therefore therapy requires combinational strategies. Here, we show that Toll-like receptor 4 (TLR4) mediates cancer-induced muscle wasting by directly activating muscle catabolism as well as stimulating an innate immune response in mice bearing Lewis lung carcinoma (LLC), and targeting TLR4 alone effectively abrogate muscle wasting...
May 23, 2017: Scientific Reports
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