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https://www.readbyqxmd.com/read/29149204/evaluation-of-osseous-integration-of-titanium-orthopedic-screws-with-novel-sla-treatment-in-porcine-model
#1
Tzu-Hsiang Lin, Hsin-Tai Hu, Hsueh-Chun Wang, Meng-Chian Wu, Shu-Wei Wu, Ming-Long Yeh
The success of many endosseous implants in orthopaedic and dental applications depends on the surface characteristics, as they affect osseous integration. Previous investigations indicated that a novel large-grit sand-blasted and acid-etched (SLA) titanium (denoted as SLAffinity-Ti) implant had better bone integration than that of a comparably shaped implant with a plasma-sprayed titanium surface. The purpose of the present investigation was to create a SLAffinity surface on pedicle screws and trauma screws and to compare it with the surfaces of a sand-blasted-only implant and commercial implants in terms of bone integration...
2017: PloS One
https://www.readbyqxmd.com/read/29148362/pseudomonas-floridensis-sp-nov-a-bacterial-pathogen-isolated-from-tomato
#2
Sujan Timilsina, Gerald V Minsavage, James Preston, Eric A Newberry, Matthews L Paret, Erica M Goss, Jeffrey B Jones, Gary E Vallad
An unusual fluorescent pseudomonad was isolated from tomato exhibiting leaf spot symptoms similar to bacterial speck. Strains were fluorescent, oxidase- and arginine-dihydrolase-negative, elicited a hypersensitive reaction on tobacco and produced a soft rot on potato slices. However, the strains produced an unusual yellow, mucoid growth on media containing 5 % sucrose that is not typical of levan. Based on multilocus sequence analysis using 16S rRNA, gap1, gltA, gyrB and rpoD, these strains formed a distinct phylogenetic group in the genus Pseudomonas and were most closely related to Pseudomonas viridiflava within the Pseudomonassyringae complex...
November 17, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29147589/%C3%AE-%C3%AE-t-cell-acute-lymphoblastic-leukemia-lymphoma-discussion-of-two-pediatric-cases-and-its-distinction-from-other-mature-%C3%AE-%C3%AE-t-cell-malignancies
#3
Eric X Wei, Vasiliki Leventaki, John K Choi, Susana C Raimondi, Elizabeth M Azzato, Sheila A Shurtleff, Menchu G Ong, Diana M Veillon, James D Cotelingam, Rodney E Shackelford
Gamma delta (γδ) T-cell antigen receptor (TCR) expression and its related T-cell differentiation are not commonly reported in T-cell acute lymphoblastic leukemia/lymphoma (T-ALL). Here we report two pediatric T-ALL cases and present their clinical features, histology, immunophenotypes, cytogenetics, and molecular diagnostic findings. The first patient is a two-year-old girl with leukocytosis, circulating lymphoblasts, and a cryptic insertion of a short-arm segment at 10p12 into the long-arm segment of 11q23 resulting in an MLL and AF10 fusion transcript, which may be the first reported in γδ T-ALL...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/29146883/a-landscape-of-germline-mutations-in-a-cohort-of-inherited-bone-marrow-failure-patients
#4
Olivier Bluteau, Marie Sebert, Thierry Leblanc, Régis Peffault de Latour, Samuel Quentin, Elodie Lainey, Lucie Hernandez, Jean-Hugues Dalle, Flore Sicre de Fontbrune, Etienne Lengline, Raphael Itzykson, Emmanuelle Clappier, Nicolas Boissel, Naddia Vasquez, Mélanie Da Costa, Julien Masliah-Planchon, Wendy Cuccuini, Anna Raimbault, Louis De Jaegere, Lionel Adès, Pierre Fenaux, Sébastien Maury, Claudine Schmitt, Marc Muller, Carine Domenech, Nicolas Blin, Bénédicte Bruno, Isabelle Pellier, Mathilde Hunault, Stéphane Blanche, Arnaud Petit, Guy Leverger, Gérard Michel, Yves Bertrand, André Baruchel, Gérard Socié, Jean Soulier
Bone marrow failure (BMF) in children and young adults is often suspected to be inherited, but in many cases diagnosis remains uncertain. We studied a cohort of 179 patients (from 173 families) with BMF of suspected inherited origin but unresolved diagnosis after medical evaluation and Fanconi anemia exclusion. All patients had cytopenias, and 12.0% presented ≥5% bone marrow blast cells. Median age at genetic evaluation was 11 years; 20.7% of patients were aged ≤2 years and 36.9% were ≥18 years. We analyzed genomic DNA from skin fibroblasts using whole-exome sequencing, and were able to assign a causal or likely causal germline mutation in 86 patients (48...
November 16, 2017: Blood
https://www.readbyqxmd.com/read/29145544/blast-sms-text-messaging-to-facilitate-enrollment-for-cleft-lip-and-palate-surgery-in-zimbabwe
#5
David A Shaye, Faith C Muchemwa, Aleck Gonga, Travis T Tollefson
No abstract text is available yet for this article.
November 16, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/29144985/a-phase-1-2-study-of-rigosertib-in-patients-with-myelodysplastic-syndromes-mds-and-mds-progressed-to-acute-myeloid-leukemia
#6
Shyamala C Navada, Steven M Fruchtman, Rosalie Odchimar-Reissig, Erin P Demakos, Michael E Petrone, Patrick S Zbyszewski, James F Holland, Lewis R Silverman
This Phase 1/2, dose-escalating study of rigosertib enrolled 22 patients with higher-risk myelodysplastic syndromes (MDS) (n=9) and acute myeloid leukemia (AML; n=13) who had relapsed or were refractory to standard therapy and for whom no second-line therapies were approved. Patients received 3- to 7-day continuous intravenous infusions of rigosertib, an inhibitor of Ras-effector pathways that interacts with the Ras-binding domains, common to several signaling proteins including Raf and PI3 kinase. Rigosertib was administered at doses of 650-1700mg/m(2)/day in 14-day cycles...
November 11, 2017: Leukemia Research
https://www.readbyqxmd.com/read/29144828/prognostic-impact-of-cd200-and-cd56-expression-in-pediatric-b-cell-acute-lymphoblastic-leukemia-patients
#7
Salah Aref, Emad Azmy, Kadry El-Bakry, Lobna Ibrahim, Sherin Abdel Aziz
This study aimed to determine the prognostic impact of CD200 and CD56 expression in pediatric B cell acute lymphoblastic leukemia (B-ALL) patients, both of which have been implicated in immune tolerance and previously suggested as independent risk factors. CD200 has a central role in immune tolerance that protects stem cells and other critical tissues from immune damage. The expression of CD200/CD56 in leukemic blasts were assessed in leukemic blasts before chemotherapy in 43 bone marrow (BM) and/or peripheral blood (PB) samples by flow cytometry...
November 16, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29144205/lessons-in-effector-and-nlr-biology-of-plant-microbe-systems
#8
Aleksandra Białas, Erin K Zess, Juan Carlos De la Concepcion, Marina Franceschetti, Helen G Pennington, Kentaro Yoshida, Jessica L Upson, Emilie Chanclud, Chih-Hang Wu, Thorsten Langner, Abbas Maqbool, Freya A Varden, Lida Derevnina, Khaoula Belhaj, Koki Fujisaki, Hiromasa Saitoh, Ryohei Terauchi, Mark J Banfield, Sophien Kamoun
A diversity of plant-associated organisms secrete effectors-proteins and metabolites that modulate plant physiology to favor host infection and colonization. However, effectors can also activate plant immune receptors, notably nucleotide-binding domain and leucine-rich repeat region (NLR)-containing proteins, enabling plants to fight off invading organisms. This interplay between effectors, their host targets, and the matching immune receptors is shaped by intricate molecular mechanisms and exceptionally dynamic coevolution...
November 16, 2017: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/29144072/relapse-and-cytogenetic-evolution-in-myeloid-neoplasms
#9
Natalie Ertz-Archambault, Katalin Kelemen
Based on the current WHO Classification of Myeloid Neoplasms, cytogenetic findings play a central role in the diagnostic classification of the myeloid malignancies. Cytogenetic abnormalities detected at primary diagnosis may change over time. Karyotype changes can be characterized as cytogenetic evolution, cytogenetic regression or a combination of both. While the exact mechanism of cytogenetic evolution is not completely understood, the process of cytogenetic evolution is not random, but follows different, and often disease-specific patterns during progression and relapse of myeloid neoplasms...
December 2017: Panminerva Medica
https://www.readbyqxmd.com/read/29142066/characterization-of-sgn-cd123a-a-potent-cd123-directed-antibody-drug-conjugate-for-acute-myeloid-leukemia
#10
Fu Li, May Kung Sutherland, Changpu Yu, Roland B Walter, Lori Westendorf, John Valliere-Douglass, Lucy Pan, Ashley Cronkite, Django Sussman, Kerry Klussman, Michelle Ulrich, Martha E Anderson, Ivan J Stone, Weiping Zeng, Mechthild Jonas, Timothy S Lewis, Maitrayee Goswami, Sa A Wang, Peter D Senter, Che-Leung Law, Eric J Feldman, Dennis R Benjamin
Treatment choices for acute myeloid leukemia (AML) patients resistant to conventional chemotherapies are limited and novel therapeutic agents are needed. Interleukin-3 receptor alpha (IL-3Rα, or CD123) is expressed on the majority of AML blasts and there is evidence that its expression is increased on leukemic relative to normal hematopoietic stem cells, which makes it an attractive target for antibody-based therapy. Here we report the generation and preclinical characterization of SGN-CD123A, an antibody-drug conjugate utilizing the pyrrolobenzodiazepine dimer (PBD) linker and a humanized CD123 antibody with engineered cysteines for site-specific conjugation...
November 15, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29141631/detection-of-rabbit-haemorrhagic-disease-virus-2-during-the-wild-rabbit-oryctolagus-cuniculus-eradication-from-the-berlengas-archipelago-portugal
#11
F A Abade Dos Santos, C Carvalho, Oliveira Nuno, J J Correia, M Henriques, M C Peleteiro, M Fevereiro, M D Duarte
BACKGROUND: In the regular wildlife monitoring action carried out in the summer of the past few years at the Berlenga Island, wild rabbits (Oryctolagus cuniculus) have been repeatedly found dead. However, the origin of those deaths was never investigated. Our aim was to investigate the cause of death of 11 rabbits collected between April and May 2016. RESULTS: While screening samples from rabbit carcasses for the major viral rabbit pathogens, five tested positive to RHDV2 but all were negative for RHDV and myxoma virus (MYXV)...
November 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29141037/edna-for-detection-of-five-highly-invasive-molluscs-a-case-study-in-urban-rivers-from-the-iberian-peninsula
#12
Laura Clusa, Laura Miralles, Ana Basanta, Carmelo Escot, Eva García-Vázquez
Biological invasions are an important threat to biodiversity especially in aquatic ecosystems, and their frequency is generally higher near urban areas. Potentially invasive non-indigenous molluscs were deliberately introduced into European waters for food (Corbicula fluminea) and biocontrol (Melanoides tuberculata), and unintentionally introduced by ballast water (Mytilopsis leucophaeata, Corbicula fluminea), stock contamination (Sinanodonta woodiana), accidental escapes from aquaculture (Sinanodonta woodiana), aquarium trade releases (Melanoides tuberculata) and even attached to aquatic birds (Corbicula fluminea)...
2017: PloS One
https://www.readbyqxmd.com/read/29140531/an-update-on-sorfs-org-a-repository-of-small-orfs-identified-by-ribosome-profiling
#13
Volodimir Olexiouk, Wim Van Criekinge, Gerben Menschaert
sORFs.org (http://www.sorfs.org) is a public repository of small open reading frames (sORFs) identified by ribosome profiling (RIBO-seq). This update elaborates on the major improvements implemented since its initial release. sORFs.org now additionally supports three more species (zebrafish, rat and Caenorhabditis elegans) and currently includes 78 RIBO-seq datasets, a vast increase compared to the three that were processed in the initial release. Therefore, a novel pipeline was constructed that also enables sORF detection in RIBO-seq datasets comprising solely elongating RIBO-seq data while previously, matching initiating RIBO-seq data was necessary to delineate the sORFs...
November 13, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29140470/database-resources-of-the-national-center-for-biotechnology-information
#14
(no author information available yet)
The National Center for Biotechnology Information (NCBI) provides a large suite of online resources for biological information and data, including the GenBank® nucleic acid sequence database and the PubMed database of citations and abstracts for published life science journals. The Entrez system provides search and retrieval operations for most of these data from 39 distinct databases. The E-utilities serve as the programming interface for the Entrez system. Augmenting many of the Web applications are custom implementations of the BLAST program optimized to search specialized data sets...
November 13, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29140468/genbank
#15
Dennis A Benson, Mark Cavanaugh, Karen Clark, Ilene Karsch-Mizrachi, James Ostell, Kim D Pruitt, Eric W Sayers
GenBank® (www.ncbi.nlm.nih.gov/genbank/) is a comprehensive database that contains publicly available nucleotide sequences for 400 000 formally described species. These sequences are obtained primarily through submissions from individual laboratories and batch submissions from large-scale sequencing projects, including whole genome shotgun and environmental sampling projects. Most submissions are made using BankIt, the National Center for Biotechnology Information (NCBI) Submission Portal, or the tool tbl2asn...
November 13, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29140408/philadelphia-chromosome-like-mixed-phenotype-acute-leukemia-demonstrating-p2ry8-crlf2-fusion-and-jak1-mutation
#16
Sarah M Choi, John K Frederiksen, Charles W Ross, Dale L Bixby, Lina Shao
Objectives: Philadelphia chromosome-like (Ph-like) genetic alterations define a subset of B lymphoblastic leukemia/lymphoma (B-ALL), which represents a separate provisional entity in the World Health Organization 2016 updated classification. However, these alterations have not been described outside the context of B-ALL. Methods: Cytogenomic array and molecular analysis identified a Ph-like signature in a mixed-phenotype acute leukemia (MPAL), B/myeloid, confirmed using conventional immunophenotypic and cytochemical analysis...
November 11, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29140389/influence-of-rhbmp-2-on-guided-bone-regeneration-for-placement-and-functional-loading-of-dental-implants-a-radiographic-and-histologic-study-in-dogs
#17
Heithem Ben Amara, Jung-Won Lee, Jung-Ju Kim, Yun-Mi Kang, Eun-Jung Kang, Ki-Tae Koo
PURPOSE: Evidence on the outcomes of functional loading placed in recombinant human bone morphogenetic protein 2 (rhBMP-2)/acellular collagen sponge (ACS)-induced bone is lacking. The aim of this study was to verify whether guided bone regeneration (GBR) with rhBMP-2/ACS enhances regeneration of missing bone and osseointegration of dental implants subject to functional loading. MATERIALS AND METHODS: Two bilateral standardized large saddle-type defects (≈10 × 10 × 6 mm) were surgically created in each mandible of seven beagle dogs 2 months after tooth extraction...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140388/titanium-activates-the-dna-damage-response-pathway-in-oral-epithelial-cells-a-pilot-study
#18
Fernando Suárez-López Del Amo, Ivan Rudek, Vivian Petersen Wagner, Manoela D Martins, Francisco O'Valle, Pablo Galindo-Moreno, William V Giannobile, Hom-Lay Wang, Rogerio M Castilho
PURPOSE: To evaluate the effect of titanium (Ti) particles on oral epithelial cell homeostasis and the potential of dental implants to release Ti debris upon insertion. MATERIALS AND METHODS: Dental implants with varying surface treatments were employed to determine the feasibility of particle release during implant placement as well as the impact of free Ti debris on oral epithelial cells. Ti particles derived from implant surfaces were isolated and cultured in direct contact with normal oral epithelial cells for 48 hours...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140375/plasma-of-argon-increases-cell-attachment-and-bacterial-decontamination-on-different-implant-surfaces
#19
Luigi Canullo, Tullio Genova, Hom-Lay Wang, Stefano Carossa, Federico Mussano
PURPOSE: This in vitro study tested the effects of argon atmospheric pressure dielectric barrier discharge (APDBD) on different implant surfaces with regard to physical changes, bacterial decontamination, and osteoblast adhesion. MATERIALS AND METHODS: Seven hundred twenty disks with three different surface topographies-machined (MAC), titanium plasma-sprayed (TPS), and zirconia-blasted and acid-etched (ZRT)-were tested in this experiment. Bacterial adhesion tests were performed repeatedly on a simplified biofilm of Streptococcus mitis...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29138222/decitabine-enhances-targeting-of-aml-cells-by-cd34-progenitor-derived-nk-cells-in-nod-scid-il2rg-null-mice
#20
Jeannette Cany, Mieke W H Roeven, Janneke S Hoogstad-van Evert, Willemijn Hobo, Frans Maas, Rosalia Franco Fernandez, Nicole M A Blijlevens, Walter J van der Velden, Gerwin Huls, Joop H Jansen, Nicolaas P M Schaap, Harry Dolstra
Combining NK cell adoptive transfer with hypomethylating agents (HMA) is an attractive therapeutic approach for patients with acute myeloid leukemia (AML). However, data regarding the impact of HMA on NK cell functionality are mostly derived from in vitro studies with high non-clinical relevant drug concentrations. Here, we report a comparative study of azacitidine and decitabine in combination with allogeneic NK cells generated from CD34(+) hematopoietic stem and progenitor cells (HSPC-NK cells) in in vitro and in vivo AML models...
November 14, 2017: Blood
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