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https://www.readbyqxmd.com/read/28109145/-short-term-use-of-rapamycin-combined-with-tregs-prolongs-mouse-cardiac-graft-survival-but-attenuates-recipient-s-anti-tumor-immunity
#1
Ting Yan, Chen Luo, Xianmo Yang, Lei Ji, Shiqiao Luo
Objective To study the effect of short-term use of rapamycin(Rap) combined with regulatory T cells (Tregs) on the long-time survival of allogeneic mouse cardiac transplant, and its impact on the anti-tumor immunity of recipient. MethodsMouse Tregs were purified from recipients' spleen by magnetic activated cell sorting (MACS), and expanded by CD3/CD28 monoclonal antibody immunomagnetic beads and 2000 U/mL recombinant mouse IL-2 (rmIL-2) ex vivo. The purity was tested by fluorescence-activated cell sorting (FACS)...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28108950/t-cell-receptor-engineered-t-cells-for-cancer-treatment-current-status-and-future-directions
#2
REVIEW
Yu Ping, Chaojun Liu, Yi Zhang
T-cell receptor (TCR)-engineered T cells are a novel option for adoptive cell therapy used for the treatment of several advanced forms of cancer. Work using TCR-engineered T cells began more than two decades ago, with numerous preclinical studies showing that such cells could mediate tumor lysis and eradication. The success of these trials provided the foundation for clinical trials, including recent clinical successes using TCR-engineered T cells to target New York esophageal squamous cell carcinoma (NY-ESO-1)...
January 20, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28108202/evaluation-of-coronary-flow-conditions-in-complex-coronary-artery-bifurcations-stenting-using-computational-fluid-dynamics-impact-of-final-proximal-optimization-technique-on-different-double-stent-techniques
#3
Gianluca Rigatelli, Marco Zuin, Fabio Dell'Avvocata, Dobrin Vassilev, Ramesh Daggubati, Thach Nguyen, Nguyen Van Viet Thang, Nicolas Foin
BACKGROUND/PURPOSE: Computational fluid dynamics (CFD) have been recently adopted in many fields of cardiovascular medicine and in interventional cardiology. Using CFD analysis we compared the use of different PCI procedures, with and without the utilization of a proximal optimization technique (POT), on a complex coronary artery bifurcation. METHODS/MATERIALS: For the analysis, we considered a hypothetic model of a left anterior descending artery-diagonal Medina 1,1,1 bifurcation type with a diameter of the proximal main branch (MB) and the side branch (SB) set at 3...
January 9, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28106712/very-low-protein-diet-vlpd-reduces-metabolic-acidosis-in-subjects-with-chronic-kidney-disease-the-nutritional-light-signal-of-the-renal-acid-load
#4
Biagio Raffaele Di Iorio, Lucia Di Micco, Stefania Marzocco, Emanuele De Simone, Antonietta De Blasio, Maria Luisa Sirico, Luca Nardone, On Behalf Of Ubi Study Group
BACKGROUND: Metabolic acidosis is a common complication of chronic kidney disease; current guidelines recommend treatment with alkali if bicarbonate levels are lower than 22 mMol/L. In fact, recent studies have shown that an early administration of alkali reduces progression of CKD. The aim of the study is to evaluate the effect of fruit and vegetables to reduce the acid load in CKD. METHODS: We conducted a case-control study in 146 patients who received sodium bicarbonate...
January 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28104352/comparative-proteomic-analysis-of-two-pathogenic-tritrichomonas-foetus-genotypes-there-is-more-to-the-proteome-than-meets-the-eye
#5
Leah J Stroud, Jan Šlapeta, Matthew P Padula, Dylan Druery, George Tsiotsioras, Jens R Coorssen, Colin M Stack
Certain clinical isolates of Tritrichomonas foetus infect the urogenital tract of cattle while others infect the gastrointestinal tract of cats. Previous studies have identified subtle genetic differences between these isolates with the term "genotype" adopted to reflect host origin. The aim of this work was to seek evidence of host-specific adaptation and to clarify the relationship between T. foetus genotypes. To do this we characterised the proteomes of both genotypes using two-dimensional gel electrophoresis (2DE) coupled with LC-MS/MS...
January 16, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28103931/developing-a-framework-to-guide-the-de-adoption-of-low-value-clinical-practices-in-acute-care-medicine-a-study-protocol
#6
Jeanna Parsons Leigh, Daniel J Niven, Jamie M Boyd, Henry T Stelfox
BACKGROUND: Healthcare systems have difficulty incorporating scientific evidence into clinical practice, especially when science suggests that existing clinical practices are of low-value (e.g. ineffective or harmful to patients). While a number of lists outlining low-value practices in acute care medicine currently exist, less is known about how best to initiate and sustain the removal of low-value clinical practices (i.e. de-adoption). This study will develop a comprehensive list of barriers and facilitators to the de-adoption of low-value clinical practices in acute care facilities to inform the development of a framework to guide the de-adoption process...
January 19, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28103008/quantitative-tracking-of-combinatorially-engineered-populations-with-multiplexed-binary-assemblies
#7
Ramsey Zeitoun, Gur Pines, William C Grau, Ryan T Gill
Advances in synthetic biology and genomics have enabled full-scale genome engineering efforts on laboratory timescales. However, the absence of sufficient approaches for mapping engineered genomes at system-wide scales onto performance has limited the adoption of more sophisticated algorithms for engineering complex biological systems. Here we report on the development and application of a robust approach to quantitatively map combinatorially engineered populations at scales up to several dozen target sites...
January 19, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28101800/is-the-genetic-background-of-co-stimulatory-cd28-ctla-4-pathway-the-risk-factor-for-prostate-cancer
#8
Lidia Karabon, K Tupikowski, A Tomkiewicz, A Partyka, E Pawlak-Adamska, A Wojciechowski, A Kolodziej, J Dembowski, R Zdrojowy, I Frydecka
The impairment of immunological surveillance caused by aberrant T cell activation can lead to an inadequate anti-tumor response. Therefore, deregulation in co-stimulatory pathway might be associated with cancer susceptibility. Here we undertook a prospective study to investigate whether genetic variations in gene encoding molecule CD28 and CTLA-4 playing pivotal role in regulating adoptive immune response can influence susceptibility to prostate cancer. Single nucleotide polymorphisms (SNPs) in CTLA-4 and CD28 genes were genotyped in 301 prostate cancer (PCa) patients and 301 controls...
January 18, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28101113/evaluating-the-effectiveness-of-pubertal-preparedness-program-in-terms-of-knowledge-and-attitude-regarding-pubertal-changes-among-pre-adolescent-girls
#9
Manisha Rani, Poonam Sheoran, Yogesh Kumar, Navjyot Singh
Objective: To compare the knowledge and attitude regarding pubertal changes among pre - adolescent girls before and after the pubertal preparedness program (PPP) in experimental and comparison group. Materials and methods: A Quasi experimental (non- equivalent comparison group pretest posttest) design was adopted with 104pre-adolescentgirls (52 in each experimental and comparison group) of age 12-14years, selected by purposive sampling from two different Government schools of Ambala District. Knowledge and attitude was assessed using structured knowledge questionnaire (KR-20 = 0...
September 2016: Journal of Family & Reproductive Health
https://www.readbyqxmd.com/read/28099733/implementation-of-a-modified-obstetric-early-warning-system-to-improve-the-quality-of-obstetric-care-in-zimbabwe
#10
Abi Merriel, Bobb T Murove, Samuel W D Merriel, Thabani Sibanda, Sikangezile Moyo, Joanna Crofts
OBJECTIVE: To implement a modified obstetric early warning system (MOEWS) to promote identification and stabilization of unwell women. METHODS: A before-and-after study of MOEWS implementation took place between April 2013 and January 2014 in a government referral hospital in Bulawayo, Zimbabwe. After piloting MOEWS, cesarean case files were retrospectively assessed to compare preoperative stabilization. A longitudinal "spot-check" study measured use of MOEWS and action taken on abnormal results...
February 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28099196/use-of-engineered-exosomes-expressing-hla-and-costimulatory-molecules-to-generate-antigen-specific-cd8-t-cells-for-adoptive-cell-therapy
#11
Sueon Kim, Hyun-Jung Sohn, Hyun-Joo Lee, Dae-Hee Sohn, Seung-Joo Hyun, Hyun-Il Cho, Tai-Gyu Kim
Dendritic cell-derived exosomes (DEX) comprise an efficient stimulator of T cells. However, the production of sufficient DEX remains a barrier to their broad applicability in immunotherapeutic approaches. In previous studies, genetically engineered K562 have been used to generate artificial antigen presenting cells (AAPC). Here, we isolated exosomes from K562 cells (referred to as CoEX-A2s) engineered to express human leukocyte antigen (HLA)-A2 and costimulatory molecules such as CD80, CD83, and 41BBL. CoEX-A2s were capable of stimulating antigen-specific CD8 T cells both directly and indirectly via CoEX-A2 cross-dressed cells...
January 17, 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/28098061/prostate-cancer-immunotherapy-particularly-in-combination-with-androgen-deprivation-or-radiation-treatment-customized-pharmacogenomic-approaches-to-overcome-immunotherapy-cancer-resistance
#12
REVIEW
C Alberti
Conventional therapeutic approaches for advanced prostate cancer - such as androgen deprivation, chemotherapy, radiation - come up often against lack of effectiveness because of possible arising of correlative cancer cell resistance and/or inadequate anti-tumor immune conditions. Whence the timeliness of resorting to immune-based treatment strategies including either therapeutic vaccination-based active immunotherapy or anti-tumor monoclonal antibody-mediated passive immunotherapy. Particularly attractive, as for research studies and clinical applications, results to be the cytotoxic T-lymphocyte check point blockade by the use of anti-CTLA-4 and PD-1 monoclonal antibodies, particularly when combined with androgen deprivation therapy or radiation...
September 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28097287/using-active-learning-to-identify-health-information-technology-related-patient-safety-events
#13
Allan Fong, Jessica L Howe, Katharine T Adams, Raj M Ratwani
The widespread adoption of health information technology (HIT) has led to new patient safety hazards that are often difficult to identify. Patient safety event reports, which are self-reported descriptions of safety hazards, provide one view of potential HIT-related safety events. However, identifying HIT-related reports can be challenging as they are often categorized under other more predominate clinical categories. This challenge of identifying HIT-related reports is exacerbated by the increasing number and complexity of reports which pose challenges to human annotators that must manually review reports...
January 18, 2017: Applied Clinical Informatics
https://www.readbyqxmd.com/read/28097013/randomised-double-blind-clinical-investigation-to-compare-orlistat-60-milligram-and-a-customized-polyglucosamine-two-treatment-methods-for-the-management-of-overweight-and-obesity
#14
Manfred Stoll, Norman Bitterlich, Umberto Cornelli
BACKGROUND: The efficacy of a non-prescription drug to support weight loss programs has yet to be compared. This clinical trial investigates the comparability of orlistat 60 milligram (mg) and polyglucosamine. METHODS: Sixty-four overweight or obese subjects were included in a two-center double-blind study. One center was in Germany [center 1] and the other was in Italy [center 2]. The subjects (26 in center 1 and 38 in center 2) were recommended to follow a calorie deficit of about 2000 kilojoules/day and to increase their physical activity to 3 metabolic equivalent hours (MET h)/day...
2017: BMC Obesity
https://www.readbyqxmd.com/read/28096390/modification-of-host-dendritic-cells-by-microchimerism-derived-extracellular-vesicles-generates-split-tolerance
#15
William Bracamonte-Baran, Jonathan Florentin, Ying Zhou, Ewa Jankowska-Gan, W John Haynes, Weixiong Zhong, Todd V Brennan, Partha Dutta, Frans H J Claas, Jon J van Rood, William J Burlingham
Maternal microchimerism (MMc) has been associated with development of allospecific transplant tolerance, antitumor immunity, and cross-generational reproductive fitness, but its mode of action is unknown. We found in a murine model that MMc caused exposure to the noninherited maternal antigens in all offspring, but in some, MMc magnitude was enough to cause membrane alloantigen acquisition (mAAQ; "cross-dressing") of host dendritic cells (DCs). Extracellular vesicle (EV)-enriched serum fractions from mAAQ(+), but not from non-mAAQ, mice reproduced the DC cross-dressing phenomenon in vitro...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28096186/translation-reprogramming-is-an-evolutionarily-conserved-driver-of-phenotypic-plasticity-and-therapeutic-resistance-in-melanoma
#16
Paola Falletta, Luis Sanchez-Del-Campo, Jagat Chauhan, Maike Effern, Amy Kenyon, Christopher J Kershaw, Robert Siddaway, Richard Lisle, Rasmus Freter, Matthew J Daniels, Xin Lu, Thomas Tüting, Mark Middleton, Francesca M Buffa, Anne E Willis, Graham Pavitt, Ze'ev A Ronai, Tatjana Sauka-Spengler, Michael Hölzel, Colin R Goding
The intratumor microenvironment generates phenotypically distinct but interconvertible malignant cell subpopulations that fuel metastatic spread and therapeutic resistance. Whether different microenvironmental cues impose invasive or therapy-resistant phenotypes via a common mechanism is unknown. In melanoma, low expression of the lineage survival oncogene microphthalmia-associated transcription factor (MITF) correlates with invasion, senescence, and drug resistance. However, how MITF is suppressed in vivo and how MITF-low cells in tumors escape senescence are poorly understood...
January 17, 2017: Genes & Development
https://www.readbyqxmd.com/read/28095838/communication-with-families-regarding-organ-and-tissue-donation-after-death-in-intensive-care-comfort-protocol-for-an-intervention-study
#17
Julie E Potter, Robert G Herkes, Lin Perry, Rosalind M Elliott, Anders Aneman, Jorge L Brieva, Elena Cavazzoni, Andrew T H Cheng, Michael J O'Leary, Ian M Seppelt, Val Gebski
BACKGROUND: Discussing deceased organ donation can be difficult not only for families but for health professionals who initiate and manage the conversations. It is well recognised that the methods of communication and communication skills of health professionals are key influences on decisions made by families regarding organ donation. METHODS: This multicentre study is being performed in nine intensive care units with follow-up conducted by the Organ and Tissue Donation Service in New South Wales (NSW) Australia...
January 17, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28095770/the-unique-genomic-landscape-surrounding-the-epsps-gene-in-glyphosate-resistant-amaranthus-palmeri-a-repetitive-path-to-resistance
#18
William T Molin, Alice A Wright, Amy Lawton-Rauh, Christopher A Saski
BACKGROUND: The expanding number and global distributions of herbicide resistant weedy species threaten food, fuel, fiber and bioproduct sustainability and agroecosystem longevity. Amongst the most competitive weeds, Amaranthus palmeri S. Wats has rapidly evolved resistance to glyphosate primarily through massive amplification and insertion of the 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) gene across the genome. Increased EPSPS gene copy numbers results in higher titers of the EPSPS enzyme, the target of glyphosate, and confers resistance to glyphosate treatment...
January 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28095065/monitoring-fatigue-status-in-elite-team-sport-athletes-implications-for-practice
#19
Robin T Thorpe, Greg Atkinson, Barry Drust, Warren Gregson
The increase in competition demands in elite team sports over recent years has prompted much attention from researchers and practitioners into the monitoring of adaptation and fatigue in athletes. Monitoring of fatigue and gaining an understanding of athlete status may also provide insights and beneficial information pertaining to player availability, injury and illness risk. Traditional methods used to quantify recovery and fatigue in team sports such as maximal physical performance assessments may not be feasible in order to detect variations in fatigue status throughout competitive periods...
January 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28094343/t-oligo-primed-polymerase-chain-reaction-top-pcr-a-robust-method-for-the-amplification-of-minute-dna-fragments-in-body-fluids
#20
Yu-Shin Nai, Tzu-Han Chen, Yu-Feng Huang, Mohit K Midha, Hsin-Chieh Shiau, Chen-Yang Shen, Chien-Jen Chen, Alice L Yu, Kuo Ping Chiu
Body fluid DNA sequencing is a powerful noninvasive approach for the diagnosis of genetic defects, infectious agents and diseases. The success relies on the quantity and quality of the DNA samples. However, numerous clinical samples are either at low quantity or of poor quality due to various reasons. To overcome these problems, we have developed T oligo-primed polymerase chain reaction (TOP-PCR) for full-length nonselective amplification of minute quantity of DNA fragments. TOP-PCR adopts homogeneous "half adaptor" (HA), generated by annealing P oligo (carrying a phosphate group at the 5' end) and T oligo (carrying a T-tail at the 3' end), for efficient ligation to target DNA and subsequent PCR amplification primed by the T oligo alone...
January 17, 2017: Scientific Reports
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