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https://www.readbyqxmd.com/read/29334370/scaffolds-that-mimic-antigen-presenting-cells-enable-ex-vivo-expansion-of-primary-t-cells
#1
Alexander S Cheung, David K Y Zhang, Sandeep T Koshy, David J Mooney
Therapeutic ex vivo T-cell expansion is limited by low rates and T-cell products of limited functionality. Here we describe a system that mimics natural antigen-presenting cells (APCs) and consists of a fluid lipid bilayer supported by mesoporous silica micro-rods. The lipid bilayer presents membrane-bound cues for T-cell receptor stimulation and costimulation, while the micro-rods enable sustained release of soluble paracrine cues. Using anti-CD3, anti-CD28, and interleukin-2, we show that the APC-mimetic scaffolds (APC-ms) promote two- to tenfold greater polyclonal expansion of primary mouse and human T cells compared with commercial expansion beads (Dynabeads)...
January 15, 2018: Nature Biotechnology
https://www.readbyqxmd.com/read/29332220/perinatal-outcomes-of-unplanned-out-of-hospital-deliveries-a-case-control-study
#2
Yael Pasternak, Eliana Muskin Wintner, Gil Shechter-Maor, Yehonatan Pasternak, Netanella Miller, Tal Biron-Shental
PURPOSE: To compare the pregnancy and perinatal outcomes of unplanned home or car births vs. in-hospital deliveries. METHODS: A retrospective, case-control study of women who underwent unplanned out-of-hospital deliveries vs. in-hospital deliveries from 2004 through 2014. Matching was based on gestational age and parity in a ratio of 2:1. RESULTS: There were no significant differences between the groups regarding demographic criteria, prenatal care and delivery complications...
January 13, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29330341/biomechanics-of-coupled-motion-in-the-cervical-spine-during-simulated-whiplash-in-patients-with-pre-existing-cervical-or-lumbar-spinal-fusion-a-finite-element-study
#3
H Huang, R W Nightingale, A B C Dang
OBJECTIVES: Loss of motion following spine segment fusion results in increased strain in the adjacent motion segments. However, to date, studies on the biomechanics of the cervical spine have not assessed the role of coupled motions in the lumbar spine. Accordingly, we investigated the biomechanics of the cervical spine following cervical fusion and lumbar fusion during simulated whiplash using a whole-human finite element (FE) model to simulate coupled motions of the spine. METHODS: A previously validated FE model of the human body in the driver-occupant position was used to investigate cervical hyperextension injury...
January 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29330220/regulation-of-drug-metabolism-by-the-interplay-of-inflammatory-signaling-steatosis-and-xeno-sensing-receptors-in-heparg-cells
#4
Norman Tanner, Lisa Kubik, Claudia Luckert, Maria Thomas, Ute Hofmann, Ulrich M Zanger, Linda Bohmert, Alfonso Lampen, Albert Braeuning
Non-alcoholic fatty liver disease (NAFLD), characterized by triglyceride deposition in hepatocytes due to imbalanced lipid homeostasis, is of increasing concern in Western countries, with progression to non-alcoholic steatohepatitis (NASH), liver fibrosis, and cirrhosis. Previous studies suggest a complex, mutual influence of hepatic fat accumulation, NASH-related inflammatory mediators, and drug-sensing receptors regulating xenobiotic metabolism. Here, we investigated the suitability of human HepaRG hepatocarcinoma cells as a model for NAFLD and NASH...
January 12, 2018: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/29330098/missed-opportunities-in-colorectal-cancer-prevention-in-patients-with-inadequate-bowel-preparations
#5
Rachel B Issaka, Maneesh H Singh, Carly Rachocki, Lukejohn W Day, Claire Horton, Ma Somsouk
No abstract text is available yet for this article.
January 9, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29329591/prospects-for-chimeric-antigen-receptor-modified-t-cell-therapy-for-solid-tumors
#6
REVIEW
Erhao Zhang, Jieyi Gu, Hanmei Xu
The potential for adoptive cell immunotherapy as a treatment against cancers has been demonstrated by the remarkable response in some patients with hematological malignancies using autologous T cells endowed with chimeric antigen receptors (CARs) specific for CD19. Clinical efficacy of CAR-T cell therapy for the treatment of solid tumors, however, is rare due to physical and biochemical factors. This review focuses on different aspects of multiple mechanisms of immunosuppression in solid tumors. We characterize the current state of CAR-modified T cell therapy and summarize the various strategies to combat the immunosuppressive microenvironment of solid tumors, with the aim of promoting T cell cytotoxicity and enhancing tumor cell eradication...
January 12, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29329535/measurement-of-the-potential-geographic-accessibility-from-call-to-definitive-care-for-patient-with-acute-stroke
#7
J Freyssenge, F Renard, A M Schott, L Derex, N Nighoghossian, K Tazarourte, C El Khoury
BACKGROUND: The World Health Organization refers to stroke, the second most frequent cause of death in the world, in terms of pandemic. Present treatments are only effective within precise time windows. Only 10% of thrombolysis patients are eligible. Late assessment of the patient resulting from admission and lack of knowledge of the symptoms is the main explanation of lack of eligibility. METHODS: The aim is the measurement of the time of access to treatment facilities for stroke victims, using ambulances (firemen ambulances or EMS ambulances) and private car...
January 12, 2018: International Journal of Health Geographics
https://www.readbyqxmd.com/read/29329451/epidermal-growth-factor-receptor-signaling-disruption-by-endocrine-and-metabolic-disrupting-chemicals
#8
Josiah E Hardesty, Laila Al-Eryani, Banrida Wahlang, K Cameron Falkner, Hongxue Shi, Jian Jin, Brad Vivace, Brian P Ceresa, Russell A Prough, Matthew C Cave
Background: The purpose of this study is to identify an environmentally relevant shared receptor target for endocrine and metabolism disrupting chemical pollutants. A feature of the tested chemicals was that they induced Cyp2b10 in vivo implicating activation of the constitutive androstane receptor (CAR). Recent studies suggest that these compounds could be indirect CAR activators via epidermal growth factor receptor (EGFR) inhibition. Methods: Assays included a CAR activity reporter assay, EGF endocytosis assay, and EGFR phosphorylation assay...
January 10, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29329015/modelling-of-road-traffic-fatalities-in-india
#9
Rahul Goel
Passenger modes in India include walking, cycling, buses, trains, intermediate public transport modes (IPT) such as three-wheeled auto rickshaws or tuk-tuks, motorised two-wheelers (2W) as well as cars. However, epidemiological studies of traffic crashes in India have been limited in their approach to account for the exposure of these road users. In 2011, for the first time, census in India reported travel distance and mode of travel for workers. A Poisson-lognormal mixture regression model is developed at the state level to explore the relationship of road deaths of all the road users with commute travel distance by different on-road modes...
January 9, 2018: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/29328983/social-and-cognitive-control-skills-in-long-life-occupation-activities-modulate-the-brain-reserve-in-the-behavioural-variant-of-frontotemporal-dementia
#10
Alessandra Dodich, Giulia Carli, Chiara Cerami, Sandro Iannaccone, Giuseppe Magnani, Daniela Perani
BACKGROUND: Cognitive reserve may delay disease onset and mitigate symptoms presentation in neurodegenerative dementias. Although high occupation levels can be associated with higher cognitive reserve in the behavioural variant of frontotemporal dementia (bvFTD), it was never addressed how specific occupation profiles involving social interaction, executive and attention abilities can modulate neural reserve in bvFTD. MATERIALS AND METHODS: We retrospectively included thirty-seven bvFTD patients with clinical-neuropsychological and FDG-PET brain metabolic data...
December 19, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29328978/sun-behaviour-on-the-beach-monitored-by-webcam-photos
#11
I M Heerfordt, P A Philipsen, H C Wulf
OBJECTIVES: To prevent skin cancer, the general population is recommended to limit time in the sun, to wear clothes and to seek shade around noon. This study aimed to investigate the number of beachgoers, the duration of sun exposure, and clothing worn during the day on a beach in Copenhagen. STUDY DESIGN: Observational, descriptive study. METHODS: On 11 beach days in 2014 and 2015, beachgoers were counted every hour from 8:00 to 20:00. It was noted if they wore clothes or swimwear...
January 9, 2018: Public Health
https://www.readbyqxmd.com/read/29328966/cementum-as-a-source-of-dna-in-challenging-forensic-cases
#12
Hussam Mansour, Oliver Krebs, Jan Peter Sperhake, Christa Augustin, Till Koehne, Michael Amling, Klaus Püschel
Each forensic case is characterized by its own uniqueness. Deficient forensic cases require additional sources of human identifiers to assure the identity. We report on two different cases illustrating the role of teeth in answering challenging forensic questions. The first case involves identification of an adipocere male found in a car submersed in water for approximately 2 years. The second scenario, which involves paternity DNA testing of an exhumed body, was performed approximately 2.8 years post-mortem...
January 3, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29328164/impact-of-input-field-characteristics-on-vibrational-femtosecond-coherent-anti-stokes-raman-scattering-thermometry
#13
Chao-Bo Yang, Ping He, David Escofet-Martin, Jiang-Bo Peng, Rong-Wei Fan, Xin Yu, Derek Dunn-Rankin
In this paper, three ultrashort-pulse coherent anti-Stokes Raman scattering (CARS) thermometry approaches are summarized with a theoretical time-domain model. The difference between the approaches can be attributed to variations in the input field characteristics of the time-domain model. That is, all three approaches of ultrashort-pulse (CARS) thermometry can be simulated with the unified model by only changing the input fields features. As a specific example, the hybrid femtosecond/picosecond CARS is assessed for its use in combustion flow diagnostics; thus, the examination of the input field has an impact on thermometry focuses on vibrational hybrid femtosecond/picosecond CARS...
January 10, 2018: Applied Optics
https://www.readbyqxmd.com/read/29327909/more-on-anti-cd19-car-t-cells-in-cns-diffuse-large-b-cell-lymphoma
#14
Jeremy S Abramson, Yi-Bin Chen
No abstract text is available yet for this article.
November 23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29327908/more-on-anti-cd19-car-t-cells-in-cns-diffuse-large-b-cell-lymphoma
#15
Pierre Tiberghien, Eric Deconinck, Oliver Adotevi
No abstract text is available yet for this article.
November 23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29327644/evaluation-of-supervised-multimodal-prehabilitation-programme-in-cancer-patients-undergoing-colorectal-resection-a-randomized-control-trial
#16
Guillaume Bousquet-Dion, Rashami Awasthi, Sarah-Ève Loiselle, Enrico M Minnella, Ramanakumar V Agnihotram, Andreas Bergdahl, Francesco Carli, Celena Scheede-Bergdahl
BACKGROUND: Prehabilitation has been previously shown to be more effective in enhancing postoperative functional capacity than rehabilitation alone. The purpose of this study was to determine whether a weekly supervised exercise session could provide further benefit to our current prehabilition program, when comparing to standard post-surgical rehabilitation. METHODS: A parallel-arm single-blind randomized control trial was conducted in patients scheduled for non-metastatic colorectal cancer resection...
January 12, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29326190/a-qualitative-study-of-patients-feedback-about-outpatient-parenteral-antimicrobial-therapy-opat-services-in-northern-england-implications-for-service-improvement
#17
Maureen Twiddy, Carolyn J Czoski Murray, Samantha J Mason, David Meads, Judy M Wright, Elizabeth D Mitchell, Jane Minton
OBJECTIVE: Outpatient parenteral antimicrobial therapy (OPAT) provides opportunities for improved cost savings, but in the UK, implementation is patchy and a variety of service models are in use. The slow uptake in the UK and Europe is due to a number of clinical, financial and logistical issues, including concern about patient safety. The measurement of patient experience data is commonly used to inform commissioning decisions, but these focus on functional aspects of services and fail to examine the relational aspects of care...
January 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29326098/cognitive-and-behavioral-skills-exercises-completed-by-patients-with-major-depression-during-smartphone-cognitive-behavioral-therapy-secondary-analysis-of-a-randomized-controlled-trial
#18
Toshi A Furukawa, Masaru Horikoshi, Hirokazu Fujita, Naohisa Tsujino, Ran Jinnin, Yuki Kako, Sei Ogawa, Hirotoshi Sato, Nobuki Kitagawa, Yoshihiro Shinagawa, Yoshio Ikeda, Hissei Imai, Aran Tajika, Yusuke Ogawa, Tatsuo Akechi, Mitsuhiko Yamada, Shinji Shimodera, Norio Watanabe, Masatoshi Inagaki, Akio Hasegawa
BACKGROUND: A strong and growing body of evidence has demonstrated the effectiveness of cognitive behavioral therapy (CBT), either face-to-face, in person, or as self-help via the Internet, for depression. However, CBT is a complex intervention consisting of several putatively effective components, and how each component may or may not contribute to the overall effectiveness of CBT is poorly understood. OBJECTIVE: The aim of this study was to investigate how the users of smartphone CBT use and benefit from various components of the program...
January 11, 2018: JMIR Mental Health
https://www.readbyqxmd.com/read/29325992/quantitative-analysis-of-lipid-debris-accumulation-caused-by-cuprizone-induced-myelin-degradation-in-different-cns-areas
#19
Attila Ozsvár, Róbert Szipőcs, Zoltán Ozsvár, Judith Baka, Pál Barzó, Gábor Tamás, Gábor Molnár
Degradation of myelin sheath is thought to be the cause of neurodegenerative diseases, such as multiple sclerosis (MS), but definitive agreement on mechanism of how myelin is lost is currently lacking. Autoimmune initiation of MS has been recently questioned by proposing that the immune response is a consequence of oligodendrocyte degeneration. To study the process of myelin breakdown, we induced demyelination with cuprizone and applied coherent anti-Stokes Raman scattering (CARS) microscopy, a non-destructive label-free method to image lipid structures in living tissue...
January 8, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29325194/comparison-of-rotation-force-to-maintain-acetabular-ventroversion-after-double-pelvic-osteotomy-and-2-5-pelvic-osteotomy-in-a-canine-cadaveric-model
#20
Roberto Tamburro, Massimo Petazzoni, Fabio Carli, Micheal P Kowaleski
OBJECTIVE:  The aim of this article was to compare the force required to maintain the acetabular ventroversion after double pelvic osteotomy (DPO) and modified triple pelvic osteotomy (2.5PO). METHODS:  Unilateral DPO (group A) and unilateral modified DPO (group B = 2.5PO) were performed on cadaveric canine pelves (n = 10/group). The twisting moment required to maintain fragment position for DPO and 2.5DPO was compared. RESULTS:  Mean twisting moment for the DPO group [5...
January 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
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