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https://www.readbyqxmd.com/read/28733940/pituitary-tuberculoma-a-rare-cause-of-sellar-mass
#1
REVIEW
H M Zia-Ul-Hussnain, M Farrell, S Looby, W Tormey, M Javadpour, S Mcconkey, C J Thompson
INTRODUCTION: Pituitary tuberculosis is an uncommon cause of sellar mass [1]; the estimated prevalence worldwide is not known, and there have been no reports of the condition occurring in Ireland. Tuberculosis of the pituitary gland may present as a sellar mass or with symptoms of hypopituitarism. CASE PRESENTATION: A 41-year-old woman, with a short prodromal history without endocrine symptoms, was found to have pituitary tuberculosis after the demonstration of a sellar mass on MRI, and lumbar puncture findings consistent with lymphocytic meningitis...
July 21, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28728557/the-impact-of-illegal-waste-sites-on-a-transmission-of-zoonotic-viruses
#2
Darja Duh, Sandra Hasic, Elena Buzan
BACKGROUND: Illegal waste disposal impacts public health and causes aesthetic and environmental pollution. Waste disposed in places without permitted and controlled facilities can provide a ready source of nutrition and shelter for rodents and thus promote the spread of their ecto- and endoparasites. The presence of two distinct zoonotic viruses, lymphocytic choriomeningitis virus (LCMV) and tick-borne encephalitis virus (TBEV), was searched at illegal waste sites. The aim of this study was to determine the prevalence of infection with both viruses in rodents and to discuss the virus-rodent relations in such environments...
July 20, 2017: Virology Journal
https://www.readbyqxmd.com/read/28721719/imprinted-nanovelcro-microchips-for-isolation-and-characterization-of-circulating-fetal-trophoblasts-toward-noninvasive-prenatal-diagnostics
#3
Shuang Hou, Jie-Fu Chen, Min Song, Yazhen Zhu, Yu Jen Jan, Szu Hao Chen, Tzu-Hua Weng, Dean-An Ling, Shang-Fu Chen, Tracy Ro, An-Jou Liang, Tom Lee, Helen Jin, Man Li, Lian Liu, Yu-Sheng Hsiao, Peilin Chen, Hsiao-Hua Yu, Ming-Song Tsai, Margareta D Pisarska, Angela Chen, Li-Ching Chen, Hsian-Rong Tseng
Circulating fetal nucleated cells (CFNCs) in maternal blood offer an ideal source of fetal genomic DNA for noninvasive prenatal diagnostics (NIPD). We developed a class of nanoVelcro microchips to effectively enrich a subcategory of CFNCs, i.e., circulating trophoblasts (cTBs) from maternal blood, which can then be isolated with single-cell resolution by a laser capture microdissection (LCM) technique for downstream genetic testing. We first established a nanoimprinting fabrication process to prepare the LCM-compatible nanoVelcro substrates...
July 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28715493/host-genetics-play-a-critical-role-in-controlling-cd8-t-cell-function-and-lethal-immunopathology-during-chronic-viral-infection
#4
Allison F Christiaansen, Megan E Schmidt, Stacey M Hartwig, Steven M Varga
Effective CD8 T cell responses are vital for the control of chronic viral infections. Many factors of the host immune response contribute to the maintenance of effector CD8 T cell responses versus CD8 T cell exhaustion during chronic infection. Specific MHC alleles and the degree of MHC heterogeneity are associated with enhanced CD8 T cell function and viral control during human chronic infection. However, it is currently unclear to what extent host genetics influences the establishment of chronic viral infection...
July 17, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28714979/translation-is-actively-regulated-during-the-differentiation-of-cd8-effector-t-cells
#5
Koichi Araki, Masahiro Morita, Annelise G Bederman, Bogumila T Konieczny, Haydn T Kissick, Nahum Sonenberg, Rafi Ahmed
Translation is a critical process in protein synthesis, but translational regulation in antigen-specific T cells in vivo has not been well defined. Here we have characterized the translatome of virus-specific CD8(+) effector T cells (Teff cells) during acute infection of mice with lymphocytic choriomeningitis virus (LCMV). Antigen-specific T cells exerted dynamic translational control of gene expression that correlated with cell proliferation and stimulation via the T cell antigen receptor (TCR). The translation of mRNAs that encode translation machinery, including ribosomal proteins, was upregulated during the T cell clonal-expansion phase, followed by inhibition of the translation of those transcripts when the CD8(+) Teff cells stopped dividing just before the contraction phase...
July 17, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28711285/anti-il-21-monoclonal-antibody-combined-with-liraglutide-effectively-reverses-established-hyperglycemia-in-mouse-models-of-type-1-diabetes
#6
Anna K Rydén, Nikole R Perdue, Philippe P Pagni, Claire B Gibson, Sowbarnika S Ratliff, Rikke K Kirk, Travis J Friesen, Claus Haase, Ken Coppieters, Matthias G von Herrath, Tamar E Boursalian
Immunotherapy for type 1 diabetes (T1D) has previously focused on suppressing the autoimmune response against pancreatic beta cells to preserve endogenous insulin production and regulate glucose levels. With increased attention toward combination therapy strategies, studies indicate the multifunctional cytokine interleukin-21 (IL-21) may be a suitable target as an immuno-modulatory arm, while glucagon-like peptide-1 receptor (GLP-1R) agonists may be appropriate as a beta cell protective arm in combination therapy for T1D...
July 12, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28710992/chemical-and-spectral-behavior-of-nitric-acid-in-aqueous-sulfuric-acid-solutions-absorption-spectrum-and-molar-absorption-coefficient-of-nitronium-ion
#7
Boris G Ershov, Nadezhda M Panich
The chemical species formed from nitric acid in aqueous solutions of sulfuric acid (up to 18.0molL(-1)) were studied by optical spectroscopy method. The concentration region of nitronium ion formation was identified and NO2(+) ion absorption spectrum was measured (λmax≤190nm and ε190=1040±50mol(-1)Lcm(-1)).
July 1, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28708506/expression-and-localization-of-cyclooxygenases-in-the-oviduct-of-laying-hens-during-the-ovulatory-cycle
#8
M Elhamouly, N Isobe, Y Yoshimura
Prostaglandins (PGs) play important roles in regulation of the functions of the hen oviduct. However, little is known about the expression and localization of the rate-limiting cyclooxygenases (COX-1 and COX-2) in the oviduct. The aim of this study was to determine the COXs expression and localization in the different segments of the oviduct and to investigate changes in their expression levels during the ovulatory cycle of laying hens. White Leghorn laying hens were killed at 0, 4, 7, 16 and 24 h after oviposition, and samples from the infundibulum, magnum, isthmus, uterus, and vagina were collected...
June 13, 2017: Theriogenology
https://www.readbyqxmd.com/read/28699896/eb1-protein-alteration-characterizes-sporadic-but-not-ulcerative-colitis-associated-colorectal-cancer
#9
Timo Gemoll, Sophie L Kollbeck, Karl F Karstens, Gia G Hò, Sonja Hartwig, Sarah Strohkamp, Katharina Schillo, Christoph Thorns, Martina Oberländer, Kathrin Kalies, Stefan Lehr, Jens K Habermann
BACKGROUND: While carcinogenesis in Sporadic Colorectal Cancer (SCC) has been thoroughly studied, less is known about Ulcerative Colitis associated Colorectal Cancer (UCC). This study aimed to identify and validate differentially expressed proteins between clinical samples of SCC and UCC to elucidate new insights of UCC/SCC carcinogenesis and progression. RESULTS: Multiplex-fluorescence two-dimensional gel electrophoresis (2-D DIGE) and mass spectrometry identified 67 proteoforms representing 43 distinct proteins...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28696241/ethambutol-partitioning-in-tuberculous-pulmonary-lesions-explains-its-clinical-efficacy
#10
Matthew Zimmerman, Jodi Lestner, Brendan Prideaux, Paul O'Brien, Isabela Freedman, Chao Chen, Jillian Dietzold, Isaac Daudelin, Firat Kaya, Landry Blanc, Pei-Yu Chen, Steven Park, Padmini Salgame, Jansy Sarathy, Véronique Dartois
Clinical trials and practice have shown that ethambutol is an important component of the first line tuberculosis (TB) regime. This contrasts the drug's rather modest potency and lack of activity against non-growing persister mycobacteria. The standard plasma-based pharmacokinetic-pharmacodynamic profile of ethambutol suggests that the drug may be of limited clinical value. Here we hypothesized that this apparent contradiction may be explained by favorable penetration of the drug into TB lesions. First we utilized novel in vitro lesion pharmacokinetic assays and predicted good penetration of the drug into lesions...
July 10, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28689040/unsupervised-learning-techniques-reveal-heterogeneity-in-memory-cd8-t-cell-differentiation-following-acute-chronic-and-latent-viral-infections
#11
Mingyong Liu, Erik S Barton, Ryan N Jennings, Darby G Oldenburg, Juliann M Whirry, Douglas W White, Jason M Grayson
CD8(+) T lymphocytes are critical for the control of gammaherpesvirus latency. To determine how memory CD8(+) T cells generated during latency differ from those primed during acute or chronic viral infection, we adoptively transferred naive P14 CD8(+) T cells into uninfected recipients, and examined surface proteins, cytokines and transcription factors following infection with the Armstrong (acute) or Clone 13 (chronic) strains of lymphocytic choriomeningitis virus (LCMV), or murine gammaherpesvirus 68 (MHV68) expressing the LCMV epitope D(b)GP33-41...
September 2017: Virology
https://www.readbyqxmd.com/read/28687161/deregulation-of-mir-126-3p-in-basal-like-breast-cancers-stroma-and-its-clinical-significance
#12
Jing Li, Jin Liang Ping, Bo Ma, Ying Rong Chen, Li Qin Li
INTRODUCTION: The aim of this study was to investigate miR-126-3p expression in stroma and tumor cells of basal-like breast cancer tissues, in an effort to elucidate the potential effect of miR-126-3p on tumor microenvironment and progress of basal-like breast cancer. METHODS: Expression levels of miR-126-3p in 33 paired basal-like breast cancer tissues were assayed by real-time quantitative PCR. Tumor cells and normal epithelial cell were isolated from ten paired basal-like breast cancer tissues and matched adjacent tissues, separately, using laser capture microdissect(LCM)-based PCR method...
May 31, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28670575/cd8-memory-t-cell-inflation-renders-compromised-cd4-t-cell-dependent-cd8-t-cell-immunity-via-na%C3%A3-ve-t-cell-anergy
#13
Aizhang Xu, Andrew Freywald, Yufeng Xie, Zejun Li, Jim Xiang
Whether inflation of CD8(+) memory T (mT) cells, which is often derived from repeated prime-boost vaccinations or chronic viral infections in the elderly, would affect late CD8(+) T-cell immunity is a long-standing paradox. We have previously established an animal model with mT-cell inflation by transferring ConA-stimulated monoclonal CD8(+) T cells derived from Ova-specific T-cell-receptor transgenic OTI mice into irradiation-induced lymphopenic B6 mice. In this study, we also established another two animal models with mT-cell inflation by transferring, 1) ConA-stimulated monoclonal CD8(+) T cells derived from lymphocytic choriomeningitis virus glycoprotein-specific T-cell-receptor transgenic P14 mice, and 2) ConA-stimulated polyclonal CD8(+) T cells derived from B6...
2017: ImmunoTargets and Therapy
https://www.readbyqxmd.com/read/28659759/optimized-method-for-robust-transcriptome-profiling-of-minute-tissues-using-laser-capture-microdissection-and-low-input-rna-seq
#14
Shannon Farris, Yu Wang, James M Ward, Serena M Dudek
Obtaining high quality RNA from complex biological tissues, such as the brain, is needed for establishing high-fidelity cell-type specific transcriptomes. Although combining genetic labeling techniques with laser capture microdissection (LCM) is generally sufficient, concerns over RNA degradation and limited yields call into question results of many sequencing studies. Here we set out to address both of these issues by: (1) developing a fluorescence-assisted LCM protocol that yields high quality RNA from fresh-frozen tissues; and (2) determining a suitable RNA-Seq library generation method for limited amounts of RNA (1-5 ng total RNA)...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28655469/transcutaneous-immunization-with-a-novel-imiquimod-nanoemulsion-induces-superior-t-cell-responses-and-virus-protection
#15
Pamela Aranda Lopez, Mark Denny, Ann-Kathrin Hartmann, Astrid Alflen, Hans Christian Probst, Esther von Stebut, Stefan Tenzer, Hansjörg Schild, Michael Stassen, Peter Langguth, Markus P Radsak
BACKGROUND: Transcutaneous immunization (TCI) is a novel vaccination strategy utilizing the skin associated lymphatic tissue to induce immune responses. TCI using a cytotoxic T lymphocyte (CTL) epitope and the Toll-like receptor 7 (TLR7) agonist imiquimod mounts strong CTL responses by activation and maturation of skin-derived dendritic cells (DCs) and their migration to lymph nodes. However, TCI based on the commercial formulation Aldara only induces transient CTL responses that needs further improvement for the induction of durable therapeutic immune responses...
June 16, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28652580/immunological-phenotype-of-the-murine-lrba-knockout
#16
Laura Gámez-Díaz, Julika Neumann, Fiona Jäger, Michele Proietti, Felicitas Felber, Pauline Soulas-Sprauel, Lisa Perruzza, Fabio Grassi, Tamara Kögl, Peter Aichele, Manfred Kilimann, Bodo Grimbacher, Sophie Jung
Biallelic mutations in the human Lipopolysaccharide Responsive Beige-like Anchor (LRBA) gene lead to a primary immunodeficiency known as LRBA deficiency, characterized by a broad range of clinical manifestations including autoimmunity, organomegaly, hypogammaglobulinemia and recurrent infections. Considering the phenotypic heterogeneity in patients and the severity of the disease, our aim was to assess the role of LRBA in immune cells and to understand the underlying pathomechanisms through the study of a Lrba knockout (Lrba(-/-)) mouse model...
June 27, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28638313/real-life-pharmaceutical-treatment-patterns-for-adult-patients-with-focal-epilepsy-in-germany-a-longitudinal-and-cross-sectional-analysis-of-recently-approved-anti-epileptic-drugs
#17
Antje Groth, Thomas Wilke, Simon Borghs, Patrick Gille, Lars Joeres
Objectives: The aim of this study was to investigate the antiepileptic drug (AED) treatment of adults suffering from focal epilepsies (FE) in Germany. Of special interest was the number and percentage of the patients 16 years and older receiving no treatment with an AED, treatment with one AED (monotherapy), treatment with more than one AED, and treatment with a novel AED. The definition for "novel" was newly approved at the time of market entry since 2006 (last 10 years): eslicarbazepine (ESL), lacosamide (LCM), perampanel (PER), and retigabine (RTG)...
2017: German Medical Science: GMS E-journal
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
#18
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
#19
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
#20
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
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