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https://www.readbyqxmd.com/read/28449485/prognostic-effects-of-preoperative-obstructive-pneumonitis-or-atelectasis-and-comparison-with-tumor-size-in-non-small-cell-lung-cancer
#1
Zhaofei Pang, Nan Ding, Wei Dong, Yang Ni, Tiehong Zhang, Xiao Qu, Jiajun Du, Qi Liu
BACKGROUND: In the eighth TNM staging system proposal, lung cancer with part or complete obstructive pneumonitis/atelectasis was classified to T2 category, and dividing lines of T category were changed. We conducted this study to search prognostic effect of preoperative obstructive pneumonitis/atelectasis and its comparison with tumor size. METHODS: We collected clinical characteristics, preoperative hematological indicators, follow-up information of 1,313 lung cancer patients...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449473/anti-pd-1-pd-l1-antibody-versus-conventional-chemotherapy-for-previously-treated-advanced-non-small-cell-lung-cancer-a-meta-analysis-of-randomized-controlled-trials
#2
Yongxun Zhuansun, Fengting Huang, Yumo Du, Lin Lin, Rui Chen, Jianguo Li
BACKGROUND: The anti-PD-1/PD-L1 monoclonal antibody has showed promising results in various cancers via enhancing T cell functions. However, many questions remain in the role and safety in previously-treated, advanced non-small-cell lung cancer (NSCLC). Thus, we conducted a meta-analysis incorporating all available evidences to evaluate the efficacy and safety of anti-PD-1/PD-L1 antibody compared with chemotherapy. METHODS: PubMed, Web of Science and the Cochrane Library database were searched for the studies about the efficacy and safety of anti-PD-1/PD-L1 antibody in previously-treated, progressive NSCLC patients...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449409/real-time-central-assessment-of-kidney-transplant-indication-biopsies-by-microarrays-the-intercomex-study
#3
Philip F Halloran, Jeff Reeve, Enver Akalin, Olivier Aubert, Georg A Bohmig, Daniel Brennan, Jonathan Bromberg, Gunilla Einecke, Farsad Eskandary, Clement Gosset, Jean-Paul Duong Van Huyen, Gaurav Gupta, Carmen Lefaucheur, Andrew Malone, Roslyn B Mannon, Daniel Seron, Joana Sellares, Matthew Weir, Alexandre Loupy
We performed a prospective trial to assess the feasibility of real-time central molecular assessment of kidney transplant biopsies from 10 North American and European centers. Biopsies taken one day to 34 years post-transplant were stabilized in RNAlater, couriered overnight at ambient temperature to the central laboratory, and processed (29 hour workflow) using microarrays to assess T cell-mediated and antibody-mediated rejection (TCMR, ABMR). Of 538 biopsies submitted, 519 (96%) were sufficient for microarray analysis (average length 3mm)...
April 27, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28449351/long-term-plasticity-of-corticostriatal-synapses-is-modulated-by-pathway-specific-co-release-of-opioids-through-kappa-opioid-receptors
#4
Sarah L Hawes, Armando G Salinas, David M Lovinger, Kim T Blackwell
Synaptic plasticity in striatum adjusts behaviour adaptively during skill learning, or maladaptively in the case of addiction. Just as dopamine plays a critical role in synaptic plasticity underlying normal skill learning and addiction, endogenous and exogenous opiates also modulate learning and addiction-related striatal plasticity. Though the role of opioid receptors in long-term depression in striatum has been characterized, their effect on long-term potentiation (LTP) remains unknown. In particular, direct pathway (Dopamine D1 Receptor containing; D1R) - spiny projection neurons (SPNs) co-release the opioid neuropeptide dynorphin, which acts at presynaptic kappa opioid receptors (KORs) on dopaminergic afferents and can negatively regulate dopamine release...
April 27, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28449065/a-homozygous-missense-mutation-in-eral1-encoding-a-mitochondrial-rrna-chaperone-causes-perrault-syndrome
#5
Iliana A Chatzispyrou, Marielle Alders, Sergio Guerrero-Castillo, Ruben Zapata Perez, Martin A Haagmans, Laurent Mouchiroud, Janet Koster, Rob Ofman, Frank Baas, Hans R Waterham, Johannes N Spelbrink, Johan Auwerx, Marcel M Mannens, Riekelt H Houtkooper, Astrid S Plomp
Perrault syndrome (PS) is a rare recessive disorder characterized by ovarian dysgenesis and sensorineural deafness. It is clinically and genetically heterogeneous, and previously mutations have been described in different genes, mostly related to mitochondrial proteostasis. We diagnosed three unrelated females with PS and set out to identify the underlying genetic cause using exome sequencing. We excluded mutations in the known PS genes, but identified a single homozygous mutation in the ERAL1 gene (c.707A>T; p...
April 25, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28449029/a-genome-wide-association-study-identifies-nucleotide-variants-at-siglec5-and-defa1a3-as-risk-loci-for-periodontitis
#6
Matthias Munz, Christina Willenborg, Gesa M Richter, Yvonne Jockel-Schneider, Christian Graetz, Ingmar Staufenbiel, Jürgen Wellmann, Klaus Berger, Bastian Krone, Per Hoffmann, Nathalie van der Velde, André G Uitterlinden, Lisette C P G M de Groot, Amr Sawalha, Haner Direskeneli, Güher Saruhan-Direskeneli, Esra Guzeldemir-Akcakanat, Gencay Keceli, Matthias Laudes, Barbara Noack, Alexander Teumer, Birte Holtfreter, Thomas Kocher, Peter Eickholz, Jörg Meyle, Christof Doerfer, Corinna Bruckmann, Wolfgang Lieb, Andre Franke, Stefan Schreiber, Rahime M Nohutcu, Jeanette Erdmann, Bruno G Loos, Soeren Jepsen, Henrik Dommisch, Arne S Schaefer
Periodontitis is one of the most common inflammatory diseases, with a prevalence of 11% worldwide for the severe forms and an estimated heritability of 50%. The disease is characterized by destruction of the alveolar bone due to an aberrant host inflammatory response to a dysbiotic oral microbiome. Previous genome-wide association studies (GWAS) have reported several suggestive susceptibility loci. Here, we conducted a GWAS using a German and Dutch case-control sample of aggressive periodontitis (AgP, 896 cases, 7,104 controls), a rare but highly severe and early-onset form of periodontitis, validated the associations in a German sample of severe forms of the more moderate phenotype chronic periodontitis (CP) (993 cases, 1,419 controls)...
April 25, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28448985/total-skin-electron-beam-therapy-as-part-of-multimodal-treatment-strategies-for-primary-cutaneous-t-cell-lymphoma
#7
Khaled Elsayad, Katharina H Susek, Hans T Eich
Total-skin electron beam therapy (TSEBT) is one of most effective treatments that has been used for cutaneous T-cell lymphoma. Low-dose TSEBT regimens (10-12 Gy) appear to be an effective alternative to conventional-dose TSEBT (30-36 Gy), yielding short-term remission of cutaneous manifestations with minimal toxicity. TSEBT can be administered to patients any time after a diagnosis of mycosis fungoides (MF). Patients requiring rapid relief from cutaneous lesions or symptoms may particularly benefit from TSEBT as an initial therapy...
April 25, 2017: Oncology Research and Treatment
https://www.readbyqxmd.com/read/28448894/il-33-improves-the-suppressive-potential-of-regulatory-t-cells-in-patients-with-type-1-diabetes
#8
Monika Ryba-Stanisławowska, Laura Buksa, Agnieszka Brandt, Ulana Juhas, Małgorzata Myśliwiec
AIMS: The presented study was aimed to analyze the influence of IL-33 on regulatory T cells (Tregs) suppressive potential in patients with type 1 diabetes. METHODS: We analyzed the ability of IL-33 treated Tregs to inhibit the production of IFN-γ by effector T lymphocytes in an in vitro co-culture. The study group consisted of 22 patients with type 1 diabetes and 12 age and sex-matched healthy individuals. RESULTS: Our findings revealed that in vitro IL-33 treatment of Tregs derived from patients with type 1 diabetes resulted in quantitative as well as qualitative changes in this cell population, confirming immunoregulatory features of IL-33...
April 13, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28448877/synthesis-structure-and-cytotoxicity-of-a-series-of-dioxidomolybdenum-vi-complexes-featuring-salan-ligands
#9
Satabdi Roy, Monalisa Mohanty, Sagarika Pasayat, Sudarshana Majumder, Kulanthaivel Senthilguru, Indranil Banerjee, Martin Reichelt, Hans Reuter, Ekkehard Sinn, Rupam Dinda
Seven hexacoordinated cis-dioxidomolybdenum(VI) complexes [MoO2L(1-7)] (1-7) derived from various tetradentate diamino bis(phenolato) "salan" ligands, N,N'-dimethyl-N,N'-bis-(2-hydroxy-3-X-5-Y-6-Z-benzyl)-1,2-diaminoethane {(X=Br, Y=Me, Z=H (H2L(1)); X=Me, YCl, Z=H (H2L(2)); X=(i)Pr, Y=Cl, Z=Me (H2L(3))} and N,N'-bis-(2-hydroxy-3-X-5-Y-6-Z-benzyl)-1,2-diaminopropane {(X=Y=(t)Bu, Z=H (H2L(4)); X=Y=Me, Z=H (H2L(5)); X=(i)Pr, YCl, Z=Me (H2L(6)); X=Y=Br, Z=H (H2L(7))} containing O-N donor atoms, have been isolated and structurally characterized...
April 18, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28448874/regulation-and-roles-of-cd26-dppiv-in-hematopoiesis-and-diseases
#10
REVIEW
Zeynab Aliyari Serej, Abbas Ebrahimi Kalan, Ahmad Mehdipour, Hojjatollah Nozad Charoudeh
Dipeptidyl peptidase IV (DPPIV),(1) on the surface of certain cells, where it is also referred to as CD26, is involved in a vast majority of biological and pathological processes. CD26/DPPIV function contributes to cancer and tumor metastasis as well as inhibition of its expression which alters the expression of immune response-related genes. CD26/DPPIV is a widely distributed multifunctional integral membrane and secreted protein that is defined as early predictive biomarker in HIV, cancer and autoimmunity diseases like diabetes and multiple sclerosis...
April 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28448810/associations-between-blood-btexs-concentrations-and-hematologic-parameters-among-adult-residents-of-the-u-s-gulf-states
#11
Brett T Doherty, Richard K Kwok, Matthew D Curry, Christine Ekenga, David Chambers, Dale P Sandler, Lawrence S Engel
BACKGROUND: Studies of workers exposed to benzene at average air concentrations below one part per million suggest that benzene, a known hematotoxin, causes hematopoietic damage even at low exposure levels. However, evidence of such effects outside of occupational settings and for other volatile organic compounds (VOCs) is limited. OBJECTIVE: To investigate associations between ambient exposures to five VOCs, including benzene, and hematologic parameters among adult residents of the U...
April 24, 2017: Environmental Research
https://www.readbyqxmd.com/read/28448794/principles-of-systems-biology-no-16
#12
(no author information available yet)
This month: how T cells signal in binary (Vale), advances in interaction mapping (Greenleaf/Sabatini/Ahroni/Bodenmiller), single-cell RNA-seq (Suvà/Ramanathan/Marioni), and more (Hilvert/Wong/Chisholm).
April 26, 2017: Cell Systems
https://www.readbyqxmd.com/read/28448663/prame-as-a-potential-target-for-immunotherapy-in-metastatic-uveal-melanoma
#13
Gülçin Gezgin, Sietse J Luk, Jinfeng Cao, Mehmet Dogrusöz, Dirk M van der Steen, Renate S Hagedoorn, Daniëlle Krijgsman, Pieter A van der Velden, Matthew G Field, Gregorius P M Luyten, Karoly Szuhai, J William Harbour, Ekaterina S Jordanova, Mirjam H M Heemskerk, Martine J Jager
Importance: Uveal melanoma (UM) is an intraocular primary malignant neoplasm that often gives rise to metastatic disease for which there are no effective therapies. A substantial proportion of UMs express the cancer-testis antigen PRAME (preferentially expressed antigen in melanoma), which can potentially be targeted by adoptive T-cell therapy. Objective: To determine whether there may be a rationale for PRAME-directed T-cell therapy for metastatic UM. Design, Setting, and Participants: An experimental study using a retrospective cohort of 64 patients with UM (median follow-up, 62 months) was conducted from January 8, 2015, to November 20, 2016, at the Leiden University Medical Center...
April 27, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28448627/engineering-chimeric-human-and-mouse-major-histocompatibility-complex-mhc-class-i-tetramers-for-the-production-of-t-cell-receptor-tcr-mimic-antibodies
#14
Demin Li, Carol Bentley, Jenna Yates, Maryam Salimi, Jenny Greig, Sarah Wiblin, Tasneem Hassanali, Alison H Banham
Therapeutic monoclonal antibodies targeting cell surface or secreted antigens are among the most effective classes of novel immunotherapies. However, the majority of human proteins and established cancer biomarkers are intracellular. Peptides derived from these intracellular proteins are presented on the cell surface by major histocompatibility complex class I (MHC-I) and can be targeted by a novel class of T-cell receptor mimic (TCRm) antibodies that recognise similar epitopes to T-cell receptors. Humoural immune responses to MHC-I tetramers rarely generate TCRm antibodies and many antibodies recognise the α3 domain of MHC-I and β2 microglobulin (β2m) that are not directly involved in presenting the target peptide...
2017: PloS One
https://www.readbyqxmd.com/read/28448622/goniodysgenesis-variability-and-activity-of-cyp1b1-genotypes-in-primary-congenital-glaucoma
#15
María T García-Antón, Juan J Salazar, Rosa de Hoz, Blanca Rojas, Ana I Ramírez, Alberto Triviño, José-Daniel Aroca-Aguilar, Julián García-Feijoo, Julio Escribano, José M Ramírez
Mutations in the CYP1B1 gene are currently the main known genetic cause of primary congenital glaucoma (PCG), a leading cause of blindness in children. Here, we analyze for the first time the CYP1B1 genotype activity and the microscopic and clinical phenotypes in human PCG. Surgical pieces from trabeculectomy from patients with PCG (n = 5) and sclerocorneal rims (n = 3) from cadaver donors were processed for transmission electron microscopy. Patients were classified into three groups depending on goniodysgenesis severity, which was influenced by CYP1B1 enzymatic activity...
2017: PloS One
https://www.readbyqxmd.com/read/28448610/characterization-and-expression-analysis-of-galnts-in-developing-strongylocentrotus-purpuratus-embryos
#16
Amber L Famiglietti, Zheng Wei, Thomas M Beres, Adina L Milac, Duy T Tran, Divya Patel, Robert C Angerer, Lynne M Angerer, Lawrence A Tabak
Mucin-type O-glycosylation is a ubiquitous posttranslational modification in which N-Acetylgalactosamine (GalNAc) is added to the hydroxyl group of select serine or threonine residues of a protein by the family of UDP-GalNAc:Polypeptide N-Acetylgalactosaminyltransferases (GalNAc-Ts; EC 2.4.1.41). Previous studies demonstrate that O-glycosylation plays essential roles in protein function, cell-cell interactions, cell polarity and differentiation in developing mouse and Drosophila embryos. Although this type of protein modification is highly conserved among higher eukaryotes, little is known about this family of enzymes in echinoderms, basal deuterostome relatives of the chordates...
2017: PloS One
https://www.readbyqxmd.com/read/28448603/evaluation-of-immunogenicity-and-protective-efficacy-of-recombinant-outer-membrane-proteins-of-haemophilus-parasuis-serovar-5-in-a-murine-model
#17
Miao Li, Ru-Jian Cai, Shuai Song, Zhi-Yong Jiang, Yan Li, Hong-Chao Gou, Pin-Pin Chu, Chun-Ling Li, Hua-Ji Qiu
Glässer's disease is an economically important infectious disease of pigs caused by Haemophilus parasuis. Few vaccines are currently available that could provide effective cross-protection against various serovars of H. parasuis. In this study, five OMPs (OppA, TolC, HxuC, LppC, and HAPS_0926) identified by bioinformatic approaches, were cloned and expressed as recombinant proteins. Antigenicity of the purified proteins was verified through Western blotting, and primary screening for protective potential was evaluated in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28448599/simulation-of-the-dynamics-of-primary-immunodeficiencies-in-cd4-t-cells
#18
Gabriel N Teku, Mauno Vihinen
Primary immunodeficiencies (PIDs) form a large and heterogeneous group of mainly rare disorders that affect the immune system. T-cell deficiencies account for about one-tenth of PIDs, most of them being monogenic. Apart from genetic and clinical information, lots of other data are available for PID proteins and genes, including functions and interactions. Thus, it is possible to perform systems biology studies on the effects of PIDs on T-cell physiology and response. To achieve this, we reconstructed a T-cell network model based on literature mining and TPPIN, a previously published core T-cell network, and performed semi-quantitative dynamic network simulations on both normal and T-cell PID failure modes...
2017: PloS One
https://www.readbyqxmd.com/read/28448594/novel-in-natural-infection-subdominant-hiv-1-cd8-t-cell-epitopes-revealed-in-human-recipients-of-conserved-region-t-cell-vaccines
#19
Nicola Borthwick, Zhansong Lin, Tomohiro Akahoshi, Anuska Llano, Sandra Silva-Arrieta, Tina Ahmed, Lucy Dorrell, Christian Brander, Hayato Murakoshi, Masafumi Takiguchi, Tomáš Hanke
BACKGROUND: Fine definition of targeted CD8+ T-cell epitopes and their human leucocyte antigen (HLA) class I restriction informs iterative improvements of HIV-1 T-cell vaccine designs and may predict early vaccine success or failure. Here, lymphocytes from volunteers, who had received candidate HIVconsv vaccines expressing conserved sub-protein regions of HIV-1, were used to define the optimum-length target epitopes and their HLA restriction. In HIV-1-positive patients, CD8+ T-cell responses predominantly recognize immunodominant, but hypervariable and therefore less protective epitopes...
2017: PloS One
https://www.readbyqxmd.com/read/28448581/the-performance-of-bd-facspresto%C3%A2-for-cd4-t-cell-count-cd4-and-hemoglobin-concentration-test-in-ethiopia
#20
Gebremedhin Gebremicael, Yohanes Belay, Fitsum Girma, Yemane Abreha, Atsbeha Gebreegziabxier, Simret Tesfaye, Zelalem Messele, Yibeltal Assefa, Bahrie Bellete, Desta Kassa, Lara Vojnov
INTRODUCTION: In Ethiopia, CD4+ T-cell counting is still required for all patients at baseline before antiretroviral therapy (ART) and to determine eligibility and follow-up of opportunistic infection prophylaxis. However, access to CD4+ T cell count in rural health facilities remains a major challenge in Ethiopia like other resource-limited settings. METHODOLOGY: Both capillary and venous blood was drawn from each of 325 study participant recruited in Addis Ababa and surroundings...
2017: PloS One
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