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https://www.readbyqxmd.com/read/29448937/engineering-chimeric-antigen-receptor-t-cells-for-cancer-treatment
#1
REVIEW
Baixin Ye, Creed M Stary, Xuejun Li, Qingping Gao, Chunsheng Kang, Xiaoxing Xiong
Intratumor heterogeneity of tumor clones and an immunosuppressive microenvironment in cancer ecosystems contribute to inherent difficulties for tumor treatment. Recently, chimeric antigen receptor (CAR) T-cell therapy has been successfully applied in the treatment of B-cell malignancies, underscoring its great potential in antitumor therapy. However, functional challenges of CAR-T cell therapy, especially in solid tumors, remain. Here, we describe cancer-immunity phenotypes from a clonal-stromal-immune perspective and elucidate mechanisms of T-cell exhaustion that contribute to tumor immune evasion...
February 15, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29353772/the-impact-of-development-of-atherosclerosis-on-delamination-resistance-of-the-thoracic-aortic-wall
#2
Marta Kozuń, Magdalena Kobielarz, Agnieszka Chwiłkowska, Celina Pezowicz
The aim of this work is to determine the impact of development of atherosclerosis on dissection of the human thoracic aorta on the basis of an analysis of the mechanical properties of the interfaces between its layers. The research material consisted of 17 pathologically unchanged aortae and 74 blood vessels with atherosclerotic lesions, which were classified according to the histological classification by Stary. The subject of the analysis were the interfaces between the adventitia and the media-intima complex (A-MIC) and between the intima and the media-adventitia complex (I-MAC)...
January 11, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29330525/distinct-modulation-of-inactivation-by-a-residue-in-the-pore-domain-of-voltage-gated-na-channels-mechanistic-insights-from-recent-crystal-structures
#3
Rene Cervenka, Peter Lukacs, Vaibhavkumar S Gawali, Song Ke, Xaver Koenig, Lena Rubi, Touran Zarrabi, Karlheinz Hilber, Walter Sandtner, Anna Stary-Weinzinger, Hannes Todt
Inactivation of voltage-gated Na+ channels (VGSC) is essential for the regulation of cellular excitability. The molecular rearrangement underlying inactivation is thought to involve the intracellular linker between domains III and IV serving as inactivation lid, the receptor for the lid (domain III S4-S5 linker) and the pore-lining S6 segements. To better understand the role of the domain IV S6 segment in inactivation we performed a cysteine scanning mutagenesis of this region in rNav 1.4 channels and screened the constructs for perturbations in the voltage-dependence of steady state inactivation...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29275621/large-converse-piezoelectric-effect-measured-on-a-single-molecule-on-a-metallic-surface
#4
Oleksandr Stetsovych, Pingo Mutombo, Martin Švec, Michal Šámal, Jindrich Nejedly, Ivana Cisarova, Hector Vazquez, Maria Moro-Lagares, Jan Berger, Jaroslav Vacek, Irena G Stará, Ivo Stary, Pavel Jelinek
The converse piezoelectric effect is a phenomenon in which the mechanical strain is generated in a material due to an applied electrical field. In this work, we demonstrate the converse piezoelectric effect in single heptahelicene-derived molecules on the Ag(111) surface using atomic force microscopy (AFM) and total energy density functional (DFT) calculations. The force-distance spectroscopy acquired over a wide range of bias voltages reveals a linear shift of the tip-sample distance at which the contact between the molecule and tip apex is established...
December 23, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29259247/ras-pathway-mutation-patterns-define-epigenetic-subclasses-in-juvenile-myelomonocytic-leukemia
#5
Daniel B Lipka, Tania Witte, Reka Toth, Jing Yang, Manuel Wiesenfarth, Peter Nöllke, Alexandra Fischer, David Brocks, Zuguang Gu, Jeongbin Park, Brigitte Strahm, Marcin Wlodarski, Ayami Yoshimi, Rainer Claus, Michael Lübbert, Hauke Busch, Melanie Boerries, Mark Hartmann, Maximilian Schönung, Umut Kilik, Jens Langstein, Justyna A Wierzbinska, Caroline Pabst, Swati Garg, Albert Catalá, Barbara De Moerloose, Michael Dworzak, Henrik Hasle, Franco Locatelli, Riccardo Masetti, Markus Schmugge, Owen Smith, Jan Stary, Marek Ussowicz, Marry M van den Heuvel-Eibrink, Yassen Assenov, Matthias Schlesner, Charlotte Niemeyer, Christian Flotho, Christoph Plass
Juvenile myelomonocytic leukemia (JMML) is an aggressive myeloproliferative disorder of early childhood characterized by mutations activating RAS signaling. Established clinical and genetic markers fail to fully recapitulate the clinical and biological heterogeneity of this disease. Here we report DNA methylome analysis and mutation profiling of 167 JMML samples. We identify three JMML subgroups with unique molecular and clinical characteristics. The high methylation group (HM) is characterized by somatic PTPN11 mutations and poor clinical outcome...
December 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/29245491/generic-revision-of-the-large-winged-mite-superfamily-galumnoidea-acari-oribatida-of-the-world
#6
Sergey G Ermilov, Pavel B Klimov
Genus-level taxa in the oribatid mite superfamily Galumnoidea (Acari, Oribatida) are revised based on morphology of adults and a previously published phylogenetic analysis. We give a concise overview of the general morphology of Galumnoidea, diagnoses and a key for families, genera, and subgenera, and a taxonomic list with two families, 39 genera, 9 non-nominal subgenera, and 590 species. The following nomenclatorial changes to genus-group taxa resulted from our revision: Allogalumna (Allogalumna) Grandjean, 1936 (=Xenogalumna Balogh, 1960(b) syn...
November 27, 2017: Zootaxa
https://www.readbyqxmd.com/read/29235578/are-we-any-closer-to-screening-for-colorectal-cancer-using-microbial-markers-a-critical-review
#7
Lubomir Stary, Kristyna Mezerova, Pavel Skalicky, Pavel Zboril, Vladislav Raclavsky
The role of gut microbiota in the development of sporadic colorectal cancer (CRC) is supported by a number of studies, however, the conclusiveness of published metagenomic studies is questioned by technical pitfalls and limited by small cohort sizes. In this review, we evaluate the current knowledge critically and outline practical solutions. We also list candidate CRC risk markers that are - in our opinion - well supported by available data and thus deserve clinical validation. Last but not least, we summarise available knowledge useful for improving care for patients immediately...
December 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/29219788/differential-patterns-of-metastatic-dissemination-across-medulloblastoma-subgroups
#8
Michal Zapotocky, Daddy Mata-Mbemba, David Sumerauer, Petr Liby, Alvaro Lassaletta, Josef Zamecnik, Lenka Krskova, Martin Kyncl, Jan Stary, Suzanne Laughlin, Anthony Arnoldo, Cynthia Hawkins, Uri Tabori, Michael D Taylor, Eric Bouffet, Charles Raybaud, Vijay Ramaswamy
OBJECTIVE Metastatic dissemination is a major treatment challenge and cause of death in patients with medulloblastoma. However, the influence of molecular biology on the pattern of metastatic dissemination at diagnosis is not known. In this study, the authors sought to define the location, pattern, and imaging characteristics of medulloblastoma metastases across subgroups at diagnosis. METHODS A consecutive cohort of patients with metastatic medulloblastoma at The Hospital for Sick Children and the University Hospital Motol, who underwent up-front MRI of the craniospinal axis, was assembled and allocated to subgroups using NanoString limited gene-expression profiling...
December 8, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29210366/outcome-of-relapsed-infant-acute-lymphoblastic-leukemia-treated-on-the-interfant-99-protocol
#9
E M C Driessen, P de Lorenzo, M Campbell, M Felice, A Ferster, I Hann, A Vora, L Hovi, G Escherich, C K Li, G Mann, T Leblanc, F Locatelli, A Biondi, J Rubnitz, M Schrappe, L Silverman, J Stary, R Suppiah, T Szczepanski, M Valsecchi, R Pieters
This corrects the article DOI: 10.1038/leu.2015.246.
December 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29088958/a-systematic-review-of-perioperative-seizure-prophylaxis-during-brain-tumor-resection-the-case-for-a-multicenter-randomized-clinical-trial
#10
Vyshak Chandra, Andrew K Rock, Charles Opalak, Joel M Stary, Adam P Sima, Matthew Carr, Rafael A Vega, William C Broaddus
OBJECTIVE The majority of neurosurgeons administer antiepileptic drugs (AEDs) prophylactically for supratentorial tumor resection without clear evidence to support this practice. The putative benefit of perioperative seizure prophylaxis must be weighed against the risks of adverse effects and drug interactions in patients without a history of seizures. Consequently, the authors conducted a systematic review of prospective randomized controlled trials (RCTs) that have evaluated the efficacy of perioperative seizure prophylaxis among patients without a history of seizures...
November 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/29079599/predictive-value-of-mrd-in-ph-all-treated-with-imatinib-in-the-esphall-study-based-on-ig-tr-and-bcr-abl1-methodologies
#11
Giovanni Cazzaniga, Paola De Lorenzo, Julia Alten, Silja Röttgers, Jeremy Hancock, Vaskar Saha, Anders Castor, Hans O Madsen, Virginie Gandemer, Hélène Cavé, Veronica Leoni, Rolf Köhler, Giulia M Ferrari, Kirsten Bleckmann, Rob Pieters, Vincent Van der Velden, Jan Stary, Jan Zuna, Gabriele Escheric, Udo Zur Stadt, Maurizio Aricò, Valentino Conter, Martin Schrappe, Maria Grazia Valsecchi, Andrea Biondi
The prognostic value of Minimal Residual Disease in Ph+ childhood acute lymphoblastic leukemia treated with tyrosine kinase inhibitors is not fully established. We detected MRD by RQ-PCR of rearranged immunoglobulin/T-cell receptor genes and/or BCR/ABL1 fusion transcript to investigate its predictive value in patients receiving BFM high risk therapy and post induction intermittent imatinib (EsPhALL study). MRD was monitored after induction (TP1), consolidation Phase IB (TP2), HR Blocks, reinductions, end of therapy...
October 27, 2017: Haematologica
https://www.readbyqxmd.com/read/28964114/fast-slow-asymptotics-for-a-markov-chain-model-of-fast-sodium-current
#12
Tomáš Starý, Vadim N Biktashev
We explore the feasibility of using fast-slow asymptotics to eliminate the computational stiffness of discrete-state, continuous-time deterministic Markov chain models of ionic channels underlying cardiac excitability. We focus on a Markov chain model of fast sodium current, and investigate its asymptotic behaviour with respect to small parameters identified in different ways.
September 2017: Chaos
https://www.readbyqxmd.com/read/28866212/growth-of-a-tinb-adhesion-interlayer-for-bioactive-coatings
#13
Zdeněk Tolde, Vladimír Starý, Ladislav Cvrček, Marta Vandrovcová, Jan Remsa, Stanislav Daniš, Jan Krčil, Lucie Bačáková, Petr Špatenka
Surface bioactivity has been under intensive study with reference to its use in medical implants. Our study is focused on coatings prepared from an electroactive material which can support bone cell adhesion. Until now, hydroxyapatite films have usually been utilized as a chemically-active surface agent. However, electrically-active films could set a new direction in hard tissue replacement. As a base for these films, it is necessary to prepare an intermediate film, which can serve as a suitable barrier against the possible diffusion of some allergens and toxic elements from the substrate...
November 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28853493/staphylococcal-scalded-skin-syndrome-caused-by-a-rare-variant-of-exfoliative-toxin-a-s-aureus-in-an-adult-immunocompromised-woman
#14
Simona Saluzzo, Franziska Layer, Georg Stingl, Georg Stary
No abstract text is available yet for this article.
August 30, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28852391/serum-prealbumin-as-an-effective-prognostic-indicator-for-determining-clinical-status-and-prognosis-in-patients-with-hemorrhagic-stroke
#15
Shen-Qi Zhang, Bin Peng, Creed M Stary, Zhi-Hong Jian, Xiao-Xing Xiong, Qian-Xue Chen
Serum prealbumin is a recognized marker of malnutrition, but its prognostic role in patients with hemorrhagic stroke remains unclear. In this study, we retrospectively reviewed the records of 105 patients with hemorrhagic stroke admitted to Renmin Hospital of Wuhan University, China, from January to December 2015. We collected demographic and radiological data, and recorded serum prealbumin levels at admission and on days 1, 3, 6, 9, and 14-21. The existence of infections and gastrointestinal hemorrhage, and clinical condition at discharge were also recorded...
July 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28842488/conserved-functional-consequences-of-disease-associated-mutations-in-the-slide-helix-of-kir6-1-and-kir6-2-subunits-of-the-atp-sensitive-potassium-channel
#16
Paige E Cooper, Conor McClenaghan, Xingyu Chen, Anna Stary-Weinzinger, Colin G Nichols
Cantu syndrome (CS) is a condition characterized by a range of anatomical defects, including cardiomegaly, hyperflexibility of the joints, hypertrichosis, and craniofacial dysmorphology. CS is associated with multiple missense mutations in the genes encoding the regulatory sulfonylurea receptor 2 (SUR2) subunits of the ATP-sensitive K(+) (KATP) channel as well as two mutations (V65M and C176S) in the Kir6.1 (KCNJ8) subunit. Previous analysis of leucine and alanine substitutions at the Val-65-equivalent site (Val-64) in Kir6...
October 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28814545/metabolic-differentiation-of-early-lyme-disease-from-southern-tick-associated-rash-illness-stari
#17
Claudia R Molins, Laura V Ashton, Gary P Wormser, Barbara G Andre, Ann M Hess, Mark J Delorey, Mark A Pilgard, Barbara J Johnson, Kristofor Webb, M Nurul Islam, Adoracion Pegalajar-Jurado, Irida Molla, Mollie W Jewett, John T Belisle
Lyme disease, the most commonly reported vector-borne disease in the United States, results from infection with Borrelia burgdorferi. Early clinical diagnosis of this disease is largely based on the presence of an erythematous skin lesion for individuals in high-risk regions. This, however, can be confused with other illnesses including southern tick-associated rash illness (STARI), an illness that lacks a defined etiological agent or laboratory diagnostic test, and is coprevalent with Lyme disease in portions of the eastern United States...
August 16, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28808716/spectroscopic-characterization-of-the-on-surface-induced-cyclo-dehydrogenation-of-a-n-heteroaromatic-compound-on-noble-metal-surfaces
#18
I Palacio, A L Pinardi, J I Martínez, A Preobrajenski, A Cossaro, A Jancarik, I Stará, I Starý, J Méndez, J A Martín-Gago, M F López
New nanoarchitectures can be built from polycyclic aromatic hydrocarbons (PAHs) by exploiting the capability of some metal surfaces for inducing cyclodehydrogenation reactions. This bottom-up approach allows the formation of nanostructures with a different dimensionality from the same precursor as a consequence of the diffusion and coupling of the PAHs adsorbed on the surface. In this work we present a thorough study, by means of a combination of X-ray photoemission spectroscopy, near-edge X-ray absorption fine structure and scanning tunneling microscopy with first principle calculations of the structural and chemical transformations undergone by pyridyl-substituted dibenzo[5]helicene on three coinage surfaces, namely Cu(110), Cu(111) and Au(111)...
August 23, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28794840/virtual-reality-distraction-decreases-routine-intravenous-sedation-and-procedure-related-pain-during-preoperative-adductor-canal-catheter-insertion-a-retrospective-study
#19
Pooja G Pandya, T Edward Kim, Steven K Howard, Erica Stary, Jody C Leng, Oluwatobi O Hunter, Edward R Mariano
BACKGROUND: Virtual reality (VR) distraction is a nonpharmacological method to prevent acute pain that has not yet been thoroughly explored for anesthesiology. We present our experience using VR distraction to decrease routine intravenous sedation for patients undergoing preoperative perineural catheter insertion. METHODS: This 1-month quality improvement project involved all elective unilateral primary total knee arthroplasty patients who received a preoperative adductor canal catheter...
August 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28767475/exaggerated-oculocardiac-reflex-elicited-by-local-anesthetic-injection-of-an-empty-orbit-a-case-report
#20
David Nicholson, Andrea Kossler, Katie Topping, Creed M Stary
We report the first description of oculocardiac reflex elicited with injection of local anesthetic in an empty orbit, and highlight clinical indicators for patients that may be at risk for an exaggerated oculocardiac reflex. We describe a patient with prior head and eye trauma treated for anophthalmic socket reconstruction at an outpatient eye surgery center. Injection of local anesthetic into the empty orbit induced an extended sinus arrest. This exaggerated response was avoided in a subsequent surgery by pretreatment with high-dose anticholinergics...
August 1, 2017: A & A Case Reports
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