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https://www.readbyqxmd.com/read/28548878/immunophenotyping-of-the-cerebrospinal-fluid-as-a-prognostic-factor-at-diagnosis-of-acute-lymphoblastic-leukemia-in-children-and-adolescents
#1
Camila Silva Peres Cancela, Mitiko Murao, Juliana Godoy Assumpção, Marcelo Eduardo de Lima Souza, Antonio Vaz de Macedo, Marcos Borato Viana, Benigna Maria De Oliveira
This study aimed at evaluating the use of immunophenotyping (IMP) in the identification of blast cells in the cerebrospinal fluid (CSF) of children and adolescents with acute lymphoblastic leukemia (ALL). Sixty-seven patients aged 18 years or younger were included. Fifty-five CSF samples were analyzed at initial diagnosis and 17 at the time of relapse. A cytological analysis (CA) was performed in all 72 samples, while IMP was done in 63. Blasts were identified in only three samples by CA, whereas all three samples were found negative by IMP, one of which had no isolation of nucleated cells after centrifugation...
May 26, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/28546581/a-phase-1b-2b-multicenter-study-of-oral-panobinostat-plus-azacitidine-in-adults-with-mds-cmml-or-aml-with-%C3%A2-30-blasts
#2
G Garcia-Manero, M A Sekeres, M Egyed, M Breccia, C Graux, J D Cavenagh, H Salman, A Illes, P Fenaux, D J DeAngelo, R Stauder, K Yee, N Zhu, J-H Lee, D Valcarcel, A MacWhannell, Z Borbenyi, L Gazi, S Acharyya, S Ide, M Marker, O G Ottmann
Treatment with azacitidine (AZA), a demethylating agent, prolonged overall survival (OS) vs conventional care in patients with higher-risk myelodysplastic syndromes (MDS). As median survival with monotherapy is <2 years, novel agents are needed to improve outcomes. This phase 1b/2b trial (n=113) was designed to determine the maximum tolerated dose (MTD) or recommended phase 2 dose (RP2D) of panobinostat (PAN) + AZA (phase 1b) and evaluate early efficacy and safety of PAN+AZA vs AZA monotherapy (phase 2b) in patients with higher-risk MDS, chronic myelomonocytic leukemia, or oligoblastic acute myeloid leukemia with <30% blasts...
May 26, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28544516/effects-of-controlled-micro-nanosurfaces-on-osteoblast-proliferation
#3
Natsuko Iwata, Kosuke Nozaki, Horiuchi Naohiro, Kimihiro Yamashita, Yusuke Tsutumi, Hiroyuki Miura, Akiko Nagai
Micro-/nanostructured implant surfaces mimicking natural bone architecture are expected to have positive effects on osteoblast proliferation. In this study, to clarify the optimal microstructure scale on micro-/nano-titanium surfaces, highly controlled microstructure surfaces were fabricated with a titania nanotube oxide layer by sandblast treatment and electrochemical anodization. Average surface roughness (Ra) and mean width of the profile elements (RSm) increased in proportion to the size of the blasting media...
May 22, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28544028/subcellular-compartmentation-interdependency-and-dynamics-of-the-cyclic-amp-dependent-pka-subunits-during-pathogenic-differentiation-in-rice-blast
#4
Poonguzhali Selvaraj, Tham Hong Fai, Ravikrishna Ramanujam, Naweed I Naqvi
The cAMP-dependent PKA signaling plays a central role in growth, asexual development and pathogenesis in fungal pathogens. Here, we functionally characterized RPKA, the regulatory subunit of cAMP/PKA and studied the dynamics and organization of the PKA subunits in the rice blast pathogen Magnaporthe oryzae. The RPKA subunit was essential for proper vegetative growth, asexual sporulation and surface hydrophobicity in M. oryzae. A spontaneous suppressor mutation, SMR19, that restored growth and conidiation in the RPKA deletion mutant was isolated and characterized...
May 20, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28543666/high-resolution-melting-analysis-assay-for-identification-of-fonsecaea-species
#5
Minglan Shi, Xiqing Li, Jiao Feng, Shulin Jia, Xing Xiao, Chunmei Chen, Cindy Fransisca, Liyan Xi, Junmin Zhang
BACKGROUND: Chromoblastomycosis (CBM) is a chronic fungal disease. In China, the principle etiologic agent was a group of dematiaceous fungi, including Fonsecaea monophora, Fonsecaea nubica, and Cladophialophora carrionii. Although the Fonsecaea species have similar morphology, their pathogenicity is quite different. This study aims to establish a new solution for early identification of Fonsecaea species because of their distinctive potential infection risk. METHODS: Five reference strains and 35 clinical isolates from patients with CBM, preserved in our laboratory, were used in this study...
May 22, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28543070/tnf-%C3%AE-has-both-stimulatory-and-inhibitory-effects-on-mouse-monocyte-derived-osteoclastogenesis
#6
Yixuan Cao, Ineke D C Jansen, Sara Sprangers, Teun J de Vries, Vincent Everts
Phenotypically different osteoclasts may be generated from different subsets of precursors. To what extent the formation of these osteoclasts is influenced or mediated by the inflammatory cytokine TNF-α, is unknown and was investigated in this study. The osteoclast precursors early blasts (CD31(hi) Ly-6C(-) ), myeloid blasts (CD31(+) Ly-6C(+) ) and monocytes (CD31(-) Ly-6C(hi) ) were sorted from mouse bone marrow using flow cytometry and cultured with M-CSF and RANKL, with or without TNF-α. Surprisingly, TNF-α prevented the differentiation of TRAcP(+) osteoclasts generated from monocytes on plastic; an effect not seen with early blasts and myeloid blasts...
May 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28542917/characterizing-the-performance-of-pipe-bombs
#7
Jimmie C Oxley, James L Smith, Evan T Bernier, Fredrick Sandstrom, Gregory G Weiss, Gunther W Recht, David Schatzer
Pipe bombs of steel or PVC fragment in reproducible patterns when similarly configured. The power of the explosion correlates with number, mass, and size of the fragments recovered, where a large number of small, low-mass fragments indicate a high-power event and vice versa. In discussing performance, describing pipe fragmentation pattern by fragment weight distribution mapping (FWDM) or fragment surface area distribution mapping (FSADM) was useful. When fillers detonated, detonation velocities of ~4.4 mm/μs were measured...
May 24, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28542606/what-is-in-your-cup-of-tea-dna-verity-test-to-characterize-black-and-green-commercial-teas
#8
Olga De Castro, Maria Comparone, Antonietta Di Maio, Emanuele Del Guacchio, Bruno Menale, Jacopo Troisi, Francesco Aliberti, Marco Trifuoggi, Marco Guida
In this study, we used several molecular techniques to develop a fast and reliable protocol (DNA Verity Test, DVT) for the characterization and confirmation of the species or taxa present in herbal infusions. As a model plant for this protocol, Camellia sinensis, a traditional tea plant, was selected due to the following reasons: its historical popularity as a (healthy) beverage, its high selling value, the importation of barely recognizable raw product (i.e., crushed), and the scarcity of studies concerning adulterants or contamination...
2017: PloS One
https://www.readbyqxmd.com/read/28542408/mocap-proteins-regulated-by-moark1-mediated-phosphorylation-coordinate-endocytosis-and-actin-dynamics-to-govern-development-and-virulence-of-magnaporthe-oryzae
#9
Lianwei Li, Xiaolin Chen, Shengpei Zhang, Jun Yang, Deng Chen, Muxing Liu, Haifeng Zhang, Xiaobo Zheng, Ping Wang, Youliang Peng, Zhengguang Zhang
Actin organization is a conserved cellular process that regulates the growth and development of eukaryotic cells. It also governs the virulence process of pathogenic fungi, such as the rice blast fungus Magnaporthe oryzae, with mechanisms not yet fully understood. In a previous study, we found that actin-regulating kinase MoArk1 displays conserved functions important in endocytosis and actin organization, and MoArk1 is required for maintaining the growth and full virulence of M. oryzae. To understand how MoArk1 might function, we identified capping protein homologs from M...
May 25, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28540755/persistent-cytogenetic-abnormalities-in-patients-undergoing-intensive-chemotherapy-for-acute-myeloid-leukemia
#10
Lalit Saini, Joseph Brandwein, Artur Szkotak, Sunita Ghosh, Irwindeep Sandhu
We evaluated the impact of bone marrow sample characteristics on the detection of persistent cytogenetic abnormalities (PCA) following induction chemotherapy for acute myeloid leukemia (AML). PCA's were identified in 20.4% of patients and were more common with complete remission without count recovery (CRi) vs. those with count recovery (CR, 45.8 vs. 13.5%, p = .001), with  >2% blasts vs.  ≤2% blasts (42 vs. 12%, p =  .001) and with hypocellular trephine biopsies relative to those with normo/hypercellular biopsies (42...
May 25, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28540003/vsx1-and-sod1-mutation-screening-in-patients-with-keratoconus-in-the-south-of-iran
#11
Mahmood Nejabat, Payam Naghash, Hassan Dastsooz, Sanaz Mohammadi, Mohsen Alipour, Majid Fardaei
PURPOSE: To investigate mutations of visual system homeobox 1 (VSX1) and superoxide dismutase 1 (SOD1) in 20 patients with keratoconus in the south of Iran. METHODS: Twenty patients with keratoconus who had a positive familial history were enrolled in this study and gave informed consent for DNA analysis. Genomic DNA was extracted from peripheral blood lymphocytes. Polymerase chain reaction (PCR) was carried out to amplify exon 2 of SOD1 and its exon-intron boundary for the detection of a seven-base deletion in intron 2 of SOD1, and also all five exons of VSX1 and their exon-intron boundaries...
April 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28539606/sesamefg-an-integrated-database-for-the-functional-genomics-of-sesame
#12
Xin Wei, Hao Gong, Jingyin Yu, Pan Liu, Linhai Wang, Yanxin Zhang, Xiurong Zhang
Sesame (Sesamum indicum L.) has high oil content, a small diploid genome and a short growth period, making it an attractive species for genetic studies on oilseed crops. With the advancement of next-generation sequencing technology, genomics and functional genomics research of sesame has developed quickly in the last few years, and large amounts of data have been generated. However, these results are distributed in many different publications, and there is a lack of integration. To promote functional genomics research of sesame, we collected genetic information combined with comprehensive phenotypic information and integrated them in the web-based database named SesameFG...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28539478/a-novel-epigenetic-aml1-eto-thap10-mir-383-mini-circuitry-contributes-to-t-8-21-leukaemogenesis
#13
Yonghui Li, Qiaoyang Ning, Jinlong Shi, Yang Chen, Mengmeng Jiang, Li Gao, Wenrong Huang, Yu Jing, Sai Huang, Anqi Liu, Zhirui Hu, Daihong Liu, Lili Wang, Clara Nervi, Yun Dai, Michael Q Zhang, Li Yu
DNA methylation patterns are frequently deregulated in t(8;21) acute myeloid leukaemia (AML), but little is known of the mechanisms by which specific gene sets become aberrantly methylated. Here, we found that the promoter DNA methylation signature of t(8;21)(+) AML blasts differs from that of t(8;21)(-) AMLs. This study demonstrated that a novel hypermethylated zinc finger-containing protein, THAP10, is a target gene and can be epigenetically suppressed by AML1-ETO at the transcriptional level in t(8;21) AML...
May 24, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28539210/design-and-testing-of-a-controlled-electromagnetic-spinal-cord-impactor-for-use-in-large-animal-models-of-acute-traumatic-spinal-cord-injury
#14
Rory J Petteys, Steven M Spitz, Hasan Syed, R Andrew Rice, Rachel Sarabia-Estrada, C Rory Goodwin, Daniel M Sciubba, Brett A Freedman
BACKGROUND: Spinal cord injury (SCI) causes debilitating neurological dysfunction and has been observed in warfighters injured in IED blasts. Clinical benefit of SCI treatment remains elusive and better large animal models are needed to assess treatment options. Here, we describe a controlled electromagnetic spinal cord impactor for use in large animal models of SCI. METHODS: A custom spinal cord impactor and platform were fabricated for large animals (e.g., pig, sheep, dog, etc...
May 20, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28535084/impact-of-initial-csf-findings-on-outcome-among-patients-with-national-cancer-institute-standard-and-high-risk-b-cell-acute-lymphoblastic-leukemia-a-report-from-the-children-s-oncology-group
#15
Naomi Winick, Meenakshi Devidas, Si Chen, Kelly Maloney, Eric Larsen, Leonard Mattano, Michael J Borowitz, Andrew Carroll, Julie M Gastier-Foster, Nyla A Heerema, Cheryl Willman, Brent Wood, Mignon L Loh, Elizabeth Raetz, Stephen P Hunger, William L Carroll
Purpose To determine the prognostic significance of blasts, and of white and red blood cells, in CSF samples at diagnosis of acute lymphoblastic leukemia (ALL), a uniform CSF and risk group classification schema was incorporated into Children's Oncology Group B-cell ALL (B-ALL) clinical trials. Methods CSF status was designated as follows: CNS1, no blasts; CNS2a to 2c, < 5 WBCs/μL and blasts with/without ≥ 10 RBCs/μL or ≥ 5 WBCs/μL plus blasts, with WBCs ≥ 5 times the number of RBCs; CNS3a to 3c, ≥ 5 WBCs/μL plus blasts with/without ≥ 10 RBCs/μL or clinical signs of CNS disease...
May 23, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28534166/in-silico-identification-and-validation-of-potential-micrornas-in-kinnow-mandarin-citrus-reticulata-blanco
#16
Prashant Mohanpuria, Naveen Duhan, Navraj Kaur Sarao, Manvir Kaur, Mandip Kaur
MicroRNAs (miRNAs) are a large family of 19-25 nucleotides, regulatory, non-coding RNA molecules that control gene expression by cleaving or inhibiting the translation of target gene transcripts in animals and plants. Despite the important functions of miRNAs related to regulation of plant growth and development processes, metabolism, and abiotic and biotic stresses, little is known about the disease-related miRNA. Here, we present a new pipeline for miRNA analysis using expressed sequence tags (ESTs)-based bioinformatics approach in Kinnow mandarin, a commercially important citrus fruit crop...
May 22, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/28534105/bacterial-diversity-of-cosmopolitan-culex-pipiens-and-invasive-aedes-japonicus-from-germany
#17
Sina Zotzmann, Antje Steinbrink, Kathrin Schleich, Felix Frantzmann, Chinhda Xoumpholphakdy, Manuela Spaeth, Claire Valiente Moro, Patrick Mavingui, Sven Klimpel
Symbiotic bacteria have gained significant attention in recent years. For example, microbiota of some mosquito species seems to influence the development and transmission of pathogens. Furthermore, several attempts using bacteria as a paratransgenetic tool have been made in order to assist the control of mosquito-borne diseases. In this study, we examined the bacterial diversity of wild-caught adult Culex (Cx.) pipiens and laboratory-reared adult Aedes japonicus (Ae. japonicus) in Germany using a culture-independent method...
May 22, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28533390/prognostic-and-biological-significance-of-the-proangiogenic-factor-egfl7-in-acute-myeloid-leukemia
#18
Dimitrios Papaioannou, Changxian Shen, Deedra Nicolet, Betina McNeil, Marius Bill, Malith Karunasiri, Matthew H Burke, Hatice Gulcin Ozer, Selen A Yilmaz, Nina Zitzer, Gregory K Behbehani, Christopher C Oakes, Damian J Steiner, Guido Marcucci, Bayard L Powell, Jonathan E Kolitz, Thomas H Carter, Eunice S Wang, Krzysztof Mrózek, Carlo M Croce, Michael A Caligiuri, Clara D Bloomfield, Ramiro Garzon, Adrienne M Dorrance
Epithelial growth factor-like 7 (EGFL7) is a protein that is secreted by endothelial cells and plays an important role in angiogenesis. Although EGFL7 is aberrantly overexpressed in solid tumors, its role in leukemia has not been evaluated. Here, we report that levels of both EGFL7 mRNA and EGFL7 protein are increased in blasts of patients with acute myeloid leukemia (AML) compared with normal bone marrow cells. High EGFL7 mRNA expression associates with lower complete remission rates, and shorter event-free and overall survival in older (age ≥60 y) and younger (age <60 y) patients with cytogenetically normal AML...
May 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28533124/the-novel-gene-mtb192-is-a-candidate-marker-for-the-detection-of-multidrug-resistant-mycobacterium-tuberculosis-strains
#19
Junhua Chen, Li Jiang, Wei Su, Gaihuan Zheng, Xu Hongmei
BACKGROUND: Multi-drug resistant tuberculosis (TB) is one of the most main threats to the global TB control work at present. And it's very difficult to detect. From a screen of differentially expressed genes in multidrug-resistant tuberculosis (MDR-TB) strains, we identified a new gene, mtb192. In the present study, we verified the association of mtb192 with TB drug resistance by detecting its expression in clinical isolates from paediatric TB patients. MATERIALS AND METHODS: The homology of mtb192 was analysed by gene blasting in GenBank...
May 19, 2017: Gene
https://www.readbyqxmd.com/read/28533016/drodvir-a-resource-for-exploring-the-virome-diversity-in-rodents
#20
Lihong Chen, Bo Liu, Zhiqiang Wu, Qi Jin, Jian Yang
Emerging zoonotic diseases have received tremendous interests in recent years, as they pose a significant threat to human health, animal welfare, and economic stability. A high proportion of zoonoses originate from wildlife reservoirs. Rodents are the most numerous, widespread, and diverse group of mammals on the earth and are reservoirs for many zoonotic viruses responsible for significant morbidity and mortality. A better understanding of virome diversity in rodents would be of importance for researchers and professionals in the field...
May 3, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
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