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https://www.readbyqxmd.com/read/27906463/measurement-of-behavioral-taste-responses-in-mice-two-bottle-preference-lickometer-and-conditioned-taste-aversion-tests
#1
Dany Gaillard, Jennifer M Stratford
The natural like and dislike of foods based on taste is one of the most easily observed behaviors in animals. Animals eat palatable foods and reject aversive foods, which makes measurement of taste perception possible using various behavioral techniques. Three different methods to accurately measure taste behavior are described here. First, two-bottle preference tests evaluate whether a taste compound (tastant) is preferred over water. Second, lickometer tests quantify the like and dislike for multiple concentrations of the same tastant or multiple tastants at the same time...
December 1, 2016: Current Protocols in Mouse Biology
https://www.readbyqxmd.com/read/27906363/construction-of-the-optical-part-of-a-time-of-flight-detector-prototype-for-the-afp-detector
#2
L Nozka, L Adamczyk, G Avoni, A Brandt, P Buglewicz, E Cavallaro, G Chiodini, L Chytka, K Ciesla, P M Davis, M Dyndal, S Grinstein, P Hamal, M Hrabovsky, K Janas, K Jirakova, M Kocian, T Komarek, K Korcyl, J Lange, D Mandat, V Michalek, I Lopez Paz, D Northacker, M Rijssenbeek, L Seabra, P Schovanek, R Staszewski, P Swierska, T Sykora
We present the construction of the optical part of the ToF (time-of-flight) subdetector prototype for the AFP (ATLAS Forward Proton) detector. The ToF detector in conjunction with a 3D silicon pixel tracker will tag and measure protons originating in central exclusive interactions p + p → p + X + p, where the two outgoing protons are scattered in the very forward directions. The ToF is required to reduce so-called pileup backgrounds that arise from multiple proton interactions in the same bunch crossing at high luminosity...
November 28, 2016: Optics Express
https://www.readbyqxmd.com/read/27905954/measuring-and-tracking-obesity-inequality-in-the-united-states-evidence-from-nhanes-1971-2014
#3
Tae-Young Pak, Susana Ferreira, Gregory Colson
BACKGROUND: Because people care about their weight relative to peers and society, obesity inequality plays a role in explaining obesity incidence and the impacts of being obese on subjective well-being. While the increase in obesity prevalence and mean body mass index (BMI) is well documented, the measurement of distributional changes and corresponding obesity inequality is yet to be fully explored. METHODS: The present study analyzed BMI data for adults aged 20 to 74 from the National Health and Nutritional Examination Survey (NHANES) I (1971-1974), II (1976-1980), III (1988-1994), and continuous NHANES (1999-2014)...
April 4, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27905684/the-effect-of-maternal-and-infant-factors-on-cord-blood-yield
#4
REVIEW
Seyed Hadi Mousavi, Saeid Abroun, Morteza Zarrabi, Mona Ahmadipanah
Umbilical cord blood (CB) can be used as an alternative hematopoietic stem cell source for transplantation in hematological malignancy and blood disorders. The success of transplantation is highly related to the levels of total nucleated cell and CD34(+) cell counts. The evaluation of optimal conditions can decrease the rate of graft rejection due to low cell count and increases the quality of CB units (CBUs) in the blood bank and the success rate of engraftment. To this end, we review the maternal and infant parameters affecting the quality and quantity of CBUs...
December 1, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27905314/dutch-guideline-on-food-allergy
#5
M S van Maaren, A E J Dubois
The diagnosis of food allergy is established in cases where an immediate allergic reaction has occurred in the last year to a clearly identifiable allergenic food combined with sensitisation to this allergenic food. In all other cases, a food challenge test is required to establish or reject the diagnosis of food allergy. Although the double-blind placebo-controlled food challenge (DBPCFC) test is considered the gold standard, false-positive and false-negative outcomes occur. The incidence of false-positive outcomes is unknown because the results of DBPCFC tests cannot be further confirmed by other tests...
November 2016: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/27905261/beneath-the-sword-of-damocles-regenerative-medicine-and-the-shadow-of-immunogenicity
#6
Paul J Fairchild, Christopher Horton, Priyoshi Lahiri, Kumaran Shanmugarajah, Timothy J Davies
Few topics in regenerative medicine have inspired such impassioned debate as the immunogenicity of cell types and tissues differentiated from pluripotent stem cells. While early predictions suggested that tissues derived from allogeneic sources may evade immune surveillance altogether, the pendulum has since swung to the opposite extreme, with reports that the ectopic expression of a few developmental antigens may prompt rejection, even of tissues differentiated from autologous cell lines. Here we review the evidence on which these contradictory claims are based in order to reach an objective assessment of the likely magnitude of the immunological challenges ahead...
December 1, 2016: Regenerative Medicine
https://www.readbyqxmd.com/read/27905205/severity-of-household-food-insecurity-and-lifetime-racial-discrimination-among-african-american-households-in-south-carolina
#7
Michael P Burke, Sonya J Jones, Edward A Frongillo, Maryah S Fram, Christine E Blake, Darcy A Freedman
OBJECTIVES: In 2014, 30% of African-American households with children had low or very low food security, a rate double that of white households with children. A household has low food security if its members experience food shortages and reductions in food quality attributable to a lack of household resources or access and very low food security if its members also experience reductions in food intake and disrupted eating patterns. Households that are either low or very low food secure are known collectively as food insecure...
December 1, 2016: Ethnicity & Health
https://www.readbyqxmd.com/read/27904229/exploring-ethnic-inequalities-in-admission-to-russell-group-universities
#8
Vikki Boliver
This article analyses national university applications and admissions data to explore why ethnic minority applicants to Russell Group universities are less likely to receive offers of admission than comparably qualified white applicants. Contrary to received opinion, the greater tendency of ethnic minorities to choose highly numerically competitive degree subjects only partially accounts for their lower offer rates from Russell Group universities relative to white applicants with the same grades and 'facilitating subjects' at A-level...
April 2016: Sociology
https://www.readbyqxmd.com/read/27903957/medicalisation-smoking-and-e-cigarettes-evidence-and-implications
#9
Kylie Morphett, Adrian Carter, Wayne Hall, Coral Gartner
There is debate in the tobacco control literature about the value of a medical model in reducing smoking-related harm. The variety of medical treatments for smoking cessation has increased, health professionals are encouraged to use them to assist smoking cessation and tobacco dependence is being described as a 'chronic disease'. Some critics suggest that the medicalisation of smoking undermines the tobacco industry's responsibility for the harms of smoking. Others worry that it will lead smokers to deny personal responsibility for cessation, create beliefs in 'magic bullets' for smoking cessation, or erode smokers' confidence in their ability to quit...
November 30, 2016: Tobacco Control
https://www.readbyqxmd.com/read/27903725/hippocampal-damage-increases-deontological-responses-during-moral-decision-making
#10
Cornelia McCormick, Clive R Rosenthal, Thomas D Miller, Eleanor A Maguire
: Complex moral decision making is associated with the ventromedial prefrontal cortex (vmPFC) in humans, and damage to this region significantly increases the frequency of utilitarian judgments. Since the vmPFC has strong anatomical and functional links with the hippocampus, here we asked how patients with selective bilateral hippocampal damage would derive moral decisions on a classic moral dilemmas paradigm. We found that the patients approved of the utilitarian options significantly less often than control participants, favoring instead deontological responses-rejecting actions that harm even one person...
November 30, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27903649/structural-mechanism-underpinning-cross-reactivity-of-a-cd8-t-cell-clone-that-recognises-a-peptide-derived-from-human-telomerase-reverse-transcriptase
#11
David K Cole, Hugo A van den Berg, Angharad Lloyd, Michael D Crowther, Konrad Beck, Julia Ekeruche-Makinde, John J Miles, Anna M Bulek, Garry Dolton, Andrea J Schauenburg, Aaron Wall, Anna Fuller, Mathew Clement, Bruno Laugel, Pierre J Rizkallah, Linda Wooldridge, Andrew K Sewell
T-cell cross-reactivity is essential for effective immune surveillance, but has also been implicated as a pathway to autoimmunity. Previous studies have demonstrated that T-cell receptors (TCRs) that focus on a minimal motif within the peptide are able to facilitate a high level of T-cell cross-reactivity. However, the structural database shows that most TCRs exhibit less focussed antigen binding involving contact with more peptide residues. To further explore the structural features that allow the clonally expressed TCR to functionally engage with multiple peptide-major histocompatibility complexes (pMHCs), we examined the ILA1 CD8+ T-cell clone that responds to a peptide sequence derived from human telomerase reverse transcriptase (hTERT)...
November 30, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27903261/discrete-phenotypes-are-not-underpinned-by-genome-wide-genetic-differentiation-in-the-squat-lobster-munida-gregaria-crustacea-decapoda-munididae-a-multi-marker-study-covering-the-patagonian-shelf
#12
Chen Wang, Shobhit Agrawal, Jürgen Laudien, Vreni Häussermann, Christoph Held
BACKGROUND: DNA barcoding has demonstrated that many discrete phenotypes are in fact genetically distinct (pseudo)cryptic species. Genetically identical, isogenic individuals, however, can also express similarly different phenotypes in response to a trigger condition, e.g. in the environment. This alternative explanation to cryptic speciation often remains untested because it requires considerable effort to reject the hypothesis that the observed underlying genetic homogeneity of the different phenotypes may be trivially caused by too slowly evolving molecular markers...
December 1, 2016: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/27903231/new-analogues-of-mycophenolic-acid
#13
Agnieszka Głowacka, Michal Prejs, Grzegorz Cholewinski, Krystyna Dzierzbicka
Mycophenolic acid (MPA) possesses antibacterial, antifungal, antiviral, immunosuppressive and anticancer properties. It is a non-competitive and reversible inhibitor of dehydrogenase inosine-5'-monophosphate (IMPDH) [1,2]. This compound belongs to the immunosuppressive drugs used for the prevention of both acute and chronic transplant rejection [3]. Until now clinically have been used two derivatives of MPA: mycophenolate mofetil (MMF, CellCept) and mycophenolate sodium (MPS, Myfortic). They cause, similar to MPA, although at lower degree, the side effects such as vomiting, abdominal pain, diarrhea, nausea, gastrointestinal, urogenital tract, blood or nervous system disorders...
November 29, 2016: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/27902485/impacts-of-cigarette-smoking-on-immune-responsiveness-up-and-down-or-upside-down
#14
REVIEW
Feifei Qiu, Chun-Ling Liang, Huazhen Liu, Yu-Qun Zeng, Shaozhen Hou, Song Huang, Xiaoping Lai, Zhenhua Dai
Cigarette smoking is associated with numerous diseases and poses a serious challenge to the current healthcare system worldwide. Smoking impacts both innate and adaptive immunity and plays dual roles in regulating immunity by either exacerbation of pathogenic immune responses or attenuation of defensive immunity. Adaptive immune cells affected by smoking mainly include T helper cells (Th1/Th2/Th17), CD4+CD25+ regulatory T cells, CD8+ T cells, B cells and memory T/B lymphocytes while innate immune cells impacted by smoking are mostly DCs, macrophages and NK cells...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27900974/disseminated-mycobacteria-chelonae-infection-in-a-kidney-pancreas-transplant-recipient-a-case-report-and-review-of-the-literature
#15
Shafi Malik, Ananda Ghosh, Shahid Husain
A 40-year-old male with a long-standing history of type 1 diabetes with end-stage renal failure underwent combined kidney-pancreas (KP) transplant from a standard criteria donor. Post-operative course was uncomplicated with good primary function of both transplant grafts. Induction was with thymoglobulin and maintenance immunosuppression was with tacrolimus, mycophenolate mofetil and prednisolone. Nine weeks post-transplant, the patient developed dysfunction of both grafts. Panel reactive antibody testing revealed that the patient had developed a de novo donor-specific antibody and considering an antibody-mediated rejection the patient was treated with intravenous pulse methyl prednisone 500 mg ×3 doses, IV immunoglobulin 2 mg/kg in two divided doses, and ATG 7 mg/kg (total dose of 700 mg)...
November 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27900917/preparation-of-polyelectrolyte-modified-membranes-for-heavy-metal-ions-removal
#16
M A Mokhter, S Lakard, C Magnenet, M Euvrard, B Lakard
Polyethersulfone membranes were modified by polyelectrolyte (PE) multilayers, made of poly(allylamine hydrochloride) with poly(styrene sulfonate), to remove Cu2+, Zn2+ and Ni2+ heavy metal cations from aqueous solutions in a wide range of metal concentration (50-1200 ppm). After characterization of the modified membranes, the efficiency of the process was estimated for single heavy metal ions solution leading to high rejection rates (> 90% for 50 ppm) and good adsorption capacities (7.0-8.5 mg.cm-2) whatever the metal ion tested...
November 30, 2016: Environmental Technology
https://www.readbyqxmd.com/read/27899950/bone-anchored-titanium-implants-in-patients-with-auricular-defects-three-years-and-27-patients-experience
#17
Emilio Mevio, Luca Facca, Stefano Schettini, Mauro Mullace
Different surgical solutions have been proposed for reconstruction of the auricle following loss of the pinna through traumatic injury or neoplastic disease or in patients with congenital defects. Surgical treatment may involve the insertion of an autogenous rib cartilage framework or the use of a porous polymer material inserted into an expanded postauricular flap. Reconstruction with rib cartilage has yielded good results but requires more than one surgical step, and adverse events can occur both at the donor and at the acceptor site; cases of prosthesis rejection have also been described following application of the polymeric prosthesis...
2016: International Journal of Otolaryngology
https://www.readbyqxmd.com/read/27898838/assessment-of-cultivar-distinctness-in-alfalfa-a-comparison-of-genotyping-by-sequencing-simple-sequence-repeat-marker-and-morphophysiological-observations
#18
Paolo Annicchiarico, Nelson Nazzicari, Acharya Ananta, Maria Carelli, Yanling Wei, E Charles Brummer
Cultivar registration agencies typically require morphophysiological trait-based distinctness of candidate cultivars. This requirement is difficult to achieve for cultivars of major perennial forages because of their genetic structure and ever-increasing number of registered material, leading to possible rejection of agronomically valuable cultivars. This study aimed to explore the value of molecular markers applied to replicated bulked plants (three bulks of 100 independent plants each per cultivar) to assess alfalfa ( L...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27898719/myocardial-gene-expression-profiling-to-predict-and-identify-cardiac-allograft-acute-cellular-rejection-the-get-study
#19
Diane Bodez, Hakim Hocini, Nicolas Tchitchek, Pascaline Tisserand, Nicole Benhaiem, Caroline Barau, Mounira Kharoubi, Aziz Guellich, Soulef Guendouz, Costin Radu, Jean-Paul Couetil, Bijan Ghaleh, Jean-Luc Dubois-Randé, Emmanuel Teiger, Luc Hittinger, Yves Levy, Thibaud Damy
AIMS: Serial invasive endomyocardial biopsies (EMB) remain the gold standard for acute cellular rejection (ACR) diagnosis. However histological grading has several limitations. We aimed to explore the value of myocardial Gene Expression Profiling (GEP) for diagnosing and identifying predictive biomarkers of ACR. METHODS: A case-control study nested within a retrospective heart transplant patients cohort included 126 patients with median (IQR) age 50 (41-57) years and 111 (88%) males...
2016: PloS One
https://www.readbyqxmd.com/read/27898465/the-intragraft-microenvironment-as-a-central-determinant-of-chronic-rejection-or-local-immunoregulation-tolerance
#20
Johannes Wedel, Hironao Nakayama, Nora M Kochupurakkal, Josephine Koch, Michael Klagsbrun, Diane R Bielenberg, David M Briscoe
PURPOSE OF REVIEW: Chronic rejection is associated with persistent mononuclear cell recruitment, endothelial activation and proliferation, local tissue hypoxia and related biology that enhance effector immune responses. In contrast, the tumor microenvironment elicits signals/factors that inhibit effector T cell responses and rather promote immunoregulation locally within the tissue itself. The identification of immunoregulatory check points and/or secreted factors that are deficient within allografts is of great importance in the understanding and prevention of chronic rejection...
November 24, 2016: Current Opinion in Organ Transplantation
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