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Rejection sensitivity

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https://www.readbyqxmd.com/read/28527202/diagnostic-accuracy-of-contrast-enhanced-ultrasound-ceus-in-monitoring-vascular-complications-in-patients-after-liver-transplantation-diagnostic-performance-compared-with-histopathological-results
#1
J Rübenthaler, K J Paprottka, E Hameister, K Hoffmann, N Joiko, M Reiser, D Rjosk-Dendorfer, D A Clevert
PURPOSE: To analyse the diagnostic performance of contrast-enhanced ultrasound (CEUS) in patients with vascular complications and transplant rejection compared to histopathological results. MATERIALS AND METHODS: Our study consisted of 45 retrospectively analysed patients that underwent liver transplantations between January 1993 and December 2015 and developed post-transplant vascular complications with transplant rejection. CEUS examinations took place between September 2006 and December 2015...
May 19, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28513831/avoidance-versus-use-of-neuromuscular-blocking-agents-for-improving-conditions-during-tracheal-intubation-or-direct-laryngoscopy-in-adults-and-adolescents
#2
REVIEW
Lars H Lundstrøm, Christophe Hv Duez, Anders K Nørskov, Charlotte V Rosenstock, Jakob L Thomsen, Ann Merete Møller, Søren Strande, Jørn Wetterslev
BACKGROUND: Tracheal intubation during induction of general anaesthesia is a vital procedure performed to secure a patient's airway. Several studies have identified difficult tracheal intubation (DTI) or failed tracheal intubation as one of the major contributors to anaesthesia-related mortality and morbidity. Use of neuromuscular blocking agents (NMBA) to facilitate tracheal intubation is a widely accepted practice. However, because of adverse effects, NMBA may be undesirable. Cohort studies have indicated that avoiding NMBA is an independent risk factor for difficult and failed tracheal intubation...
May 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28511727/rejection-sensitivity-as-a-moderator-of-psychosocial-outcomes-following-pediatric-traumatic-brain-injury
#3
Emily A Meadows, Keith Owen Yeates, Kenneth H Rubin, H Gerry Taylor, Erin D Bigler, Maureen Dennis, Cynthia A Gerhardt, Kathryn Vannatta, Terry Stancin, Kristen R Hoskinson
OBJECTIVES: The current study examines whether psychosocial outcomes following pediatric traumatic brain injury (TBI) vary as a function of children's rejection sensitivity (RS), defined as their disposition to be hypersensitive to cues of rejection from peers. METHODS: Children ages 8-13 with a history of severe TBI (STBI, n=16), complicated mild/moderate TBI (n=35), or orthopedic injury (OI, n=49) completed measures assessing self-esteem and RS on average 3.28 years post-injury (SD=1...
May 17, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28511172/donor-specific-anti-human-leukocyte-antigens-antibodies-acute-rejection-renal-function-and-histology-in-kidney-transplant-recipients-receiving-tacrolimus-and-everolimus
#4
Alexandra Ferreira, Claudia Felipe, Marina Cristelli, Laila Viana, Geovana Basso, Suelen Stopa, Juliana Mansur, Mayara Ivani, Adrieli Bessa, Priscila Ruppel, Wilson Aguiar, Erika Campos, Maria Gerbase-DeLima, Henrique Proença, Helio Tedesco-Silva, José Medina-Pestana
BACKGROUND: This analysis compared efficacy, renal function, and histology in kidney transplant recipients receiving tacrolimus (TAC) combined with everolimus (EVR) or mycophenolate (MPS). METHODS: This was a retrospective analysis from a randomized trial in kidney transplant recipients who received a single 3 mg/kg dose of rabbit antithymocyte globulin (r-ATG), TAC, EVR, and prednisone (PRED; r-ATG/EVR, n = 85), basiliximab (BAS), TAC, EVR, and PRED (BAS/EVR, n = 102) or BAS, TAC, MPS, and PRED (BAS/MPS, n = 101)...
May 17, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28507916/past-present-and-future-of-kidney-paired-donation-transplantation-in-india
#5
REVIEW
Vivek B Kute, Himanshu V Patel, Pankaj R Shah, Pranjal R Modi, Veena R Shah, Sayyed J Rizvi, Bipin C Pal, Manisha P Modi, Priya S Shah, Umesh T Varyani, Pavan S Wakhare, Saiprasad G Shinde, Vijay A Ghodela, Minaxi H Patel, Varsha B Trivedi, Hargovind L Trivedi
One third of healthy willing living kidney donors are rejected due to ABO blood group incompatibility and donor specific antibody. This increases pre-transplant dialysis duration leading to increased morbidity and mortality on the kidney transplantation waiting list. Over the last decade kidney paired donation is most rapidly increased source of living kidney donors. In a kidney transplantation program dominated by living donor kidney transplantation, kidney paired donation is a legal and valid alternative strategy to increase living donor kidney transplantation...
April 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/28507302/impedance-self-matching-ultra-narrow-linewidth-fiber-resonator-by-use-of-a-tunable-%C3%AF-phase-shifted-fbg
#6
Mingyong Jing, Bo Yu, Jianyong Hu, Huifang Hou, Guofeng Zhang, Liantuan Xiao, Suotang Jia
In this paper, we present a novel ultra-narrow linewidth fiber resonator formed by a tunable polarization maintaining (PM) π-phase-shifted fiber Bragg grating and a PM uniform fiber Bragg grating with a certain length of PM single mode fiber patch cable between them. Theoretical prediction shows that this resonator has ultra-narrow linewidth resonant peaks and is easy to realize impedance matching. We experimentally obtain 3 MHz narrow linewidth impedance matched resonant peak in a 7.3 m ultra-long passive fiber cavity...
May 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28499558/influence-of-response-bias-and-internal-external-source-on-lateral-posterior-parietal-successful-retrieval-activity
#7
Danielle R King, Michael B Miller
In studies of recognition memory, regions of the lateral posterior parietal cortex exhibit greater activity (as indexed by the fMRI BOLD signal) during correct recognition of "old" (studied) items than correct rejection of "new" (unstudied) items. This effect appears to be source-sensitive, with greater activity associated with recognition of perceived than imagined events. Parietal successful retrieval activity also varies with response bias, or the tendency to be conservative about making "old" judgments...
April 15, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28489277/pancreas-after-islet-pai-transplantation-in-non-uremic-type-1-diabetes-a-strategy-for-restoring-durable-insulin-independence
#8
S A Wisel, J M Gardner, G R Roll, J Harbell, C E Freise, S Feng, S M Kang, R Hirose, D B Kaufman, A Posselt, P G Stock
Islet transplantation offers a minimally-invasive approach for beta cell replacement in diabetic patients with hypoglycemic unawareness. Attempts at insulin independence may require multiple islet re-infusions from distinct donors, thus increasing the risk for allogeneic sensitization. Currently, solid organ pancreas transplant is the only remaining surgical option following failed islet transplantation in the US. However, the immunologic impact of repeated exposure to donor antigens on subsequent pancreas transplantation is unclear...
May 10, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28488365/insecure-attachment-and-maladaptive-schema-in-disordered-eating-the-mediating-role-of-rejection-sensitivity
#9
Tara De Paoli, Matthew Fuller-Tyszkiewicz, Isabel Krug
AIM: The current study aimed to assess insecure attachment and the disconnection and rejection domain of maladaptive schema in the context of disordered eating. Rejection sensitivity (RS) was proposed as a mediator between maladaptive schema and disordered eating. METHOD: The sample consisted of 108 female participants with a lifetime eating disorder diagnosis and 508 female control participants. Participants were asked to complete a number of self-report measures related to insecure attachment (anxious and avoidant), maladaptive schema (emotional deprivation, abandonment, mistrust, social isolation, and defectiveness), RS (interpersonal and appearance-based), and disordered eating...
May 9, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/28485720/herpesvirus-micrornas-for-use-in-gene-therapy-immune-evasion-strategies
#10
REVIEW
S T F Bots, R C Hoeben
Transplantation of allogeneic cells as well as of genetically corrected autologous cells are potent approaches to restore cellular functions in patients suffering from genetic diseases. The recipient's immune responses against non-self-antigens may compromise the survival of the grafted cells. Recipients of the graft may therefore require life-long treatment with immunosuppressive drugs. An alternative approach to reduce graft rejection could involve the use of immune-evasion molecules. Expression of such molecules in cells of the graft may subvert recognition by the host's immune system...
May 9, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28484450/il-2-mediated-in-vivo-expansion-of-regulatory-t-cells-combined-with-cd154-cd40-co-stimulation-blockade-but-not-ctla-4-ig-prolongs-allograft-survival-in-naive-and-sensitized-mice
#11
Lerisa Govender, Jean-Christophe Wyss, Rajesh Kumar, Manuel Pascual, Dela Golshayan
In recent years, regulatory T cells (Treg)-based immunotherapy has emerged as a promising strategy to promote operational tolerance after solid organ transplantation (SOT). However, a main hurdle for the therapeutic use of Treg in transplantation is their low frequency, particularly in non-lymphopenic hosts. We aimed to expand Treg directly in vivo and determine their efficacy in promoting donor-specific tolerance, using a stringent experimental model. Administration of the IL-2/JES6-1 immune complex at the time of transplantation resulted in significant expansion of donor-specific Treg, which suppressed alloreactive T cells...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28484416/neuromyths-in-music-education-prevalence-and-predictors-of-misconceptions-among-teachers-and-students
#12
Nina Düvel, Anna Wolf, Reinhard Kopiez
In the last decade, educational neuroscience has become increasingly important in the context of instruction, and its applications have been transformed into new teaching methods. Although teachers are interested in educational neuroscience, communication between scientists and teachers is not always straightforward. Thus, misunderstandings of neuroscientific research results can evolve into so-called neuromyths. The aim of the present study was to investigate the prevalence of such music-related neuromyths among music teachers and music students...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28480647/increased-circulating-t-lymphocytes-expressing-hla-dr-in-kidney-transplant-recipients-with-microcirculation-inflammation
#13
Hee Yeon Jung, Yong Jin Kim, Ji Young Choi, Jang Hee Cho, Sun Hee Park, Yong Lim Kim, Hyung Kee Kim, Seung Huh, Dong Il Won, Chan Duck Kim
We consecutively enrolled 82 kidney transplant recipients (KTRs) with stable renal function and 24 KTRs who underwent indication biopsy to compare the histological grading of renal allografts with the activity of circulating T lymphocyte subsets and monocytes determined by flow cytometry, which were obtained at 2 weeks after kidney transplantation (KT) and at the time of indication biopsy, respectively. The sum of the scores of glomerulitis (g) + peritubular capillaritis (ptc), inflammation (i) + tubulitis (t), interstitial fibrosis (ci) + tubular atrophy (ct), and fibrointimal thickening (cv) + arteriolar hyaline thickening (ah) was used to assign a histological grade to the renal allograft samples...
June 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28477360/impact-of-transplant-accessibility-for-sensitized-patients-by-avoiding-unacceptable-antigens
#14
Arnaud Del Bello, Nicolas Congy-Jolivet, Benoit Audry, Corinne Antoine, Laure Esposito, Anne-Laure Hebral, Nassim Kamar
Recent data have confirmed the negative impact of preformed donor-specific antibodies after liver transplantation. In order to reduce the risk of developing lesions associated with acute and chronic antibody-mediated rejection in liver-transplant recipients, we evaluated the consequences in terms of transplant accessibility, associated with avoiding preformed DSAs according to several MFI-titer thresholds that have been previously reported to be relevant in liver transplantation. Among the 484 included LT candidates, 99 (20...
May 6, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28476141/theory-of-mind-deficits-partly-mediate-impaired-social-decision-making-in-schizophrenia
#15
Liuqing Yang, Peifu Li, Haiying Mao, Huiling Wang, Chang Shu, Vibeke Bliksted, Yuan Zhou
BACKGROUND: Using paradigms from game theory, researchers have reported abnormal decision-making in social context in patients with schizophrenia. However, less is known about the underpinnings of the impairment. This study aimed to test whether theory of mind (ToM) deficits and/or neurocognitive dysfunctions mediate impaired social decision-making in patients with schizophrenia. METHODS: We compared thirty-five patients with schizophrenia to thirty-eight matched healthy controls with regard to social decision-making using the mini Ultimatum Game (mini UG), a paradigm from game theory...
May 5, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28473697/highly-sensitive-and-specific-protein-detection-via-combined-capillary-isoelectric-focusing-and-proximity-ligation
#16
Narendra Padhan, Junhong Yan, Annegret Boge, Elaine Scrivener, Helgi Birgisson, Agata Zieba, Mats Gullberg, Masood Kamali-Moghaddam, Lena Claesson-Welsh, Ulf Landegren
Detection and quantification of proteins and their post-translational modifications are crucial to decipher functions of complex protein networks in cell biology and medicine. Capillary isoelectric focusing together with antibody-based detection can resolve and identify proteins and their isoforms with modest sample input. However, insufficient sensitivity prevents detection of proteins present at low concentrations and antibody cross-reactivity results in unspecific detection that cannot be distinguished from bona fide protein isoforms...
May 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28472899/rejection-sensitivity-and-multiple-group-memberships-the-moderating-role-of-an-oxytocin-receptor-gene-polymorphism
#17
Robbie Woods, Marc Bedard, Robyn Jane McQuaid, Kim Matheson, Hymie Anisman
Rejection sensitivity is a cognitive-affective processing disposition that has been linked to interpersonal difficulties. In this regard, the neuropeptide hormone, oxytocin, is thought to underlie social cognitions and behaviors that promote social affiliation. A single nucleotide polymorphism (SNP) on the oxytocin receptor gene (OXTR), in which guanine (G) is substituted for adenine (A), has been associated with less support-seeking behaviors. In the current study, among 376 undergraduate students, it was shown that the relationship between rejection sensitivity and depressive symptoms was mediated by multiple group memberships...
May 4, 2017: Social Neuroscience
https://www.readbyqxmd.com/read/28469082/ctla4-ig-in-combination-with-fty720-promotes-allograft-survival-in-sensitized-recipients
#18
Stella H Khiew, Jinghui Yang, James S Young, Jianjun Chen, Qiang Wang, Dengping Yin, Vinh Vu, Michelle L Miller, Roger Sciammas, Maria-Luisa Alegre, Anita S Chong
Despite recent evidence of improved graft outcomes and safety, the high incidence of early acute cellular rejection with belatacept, a high-affinity CTLA4-Ig, has limited its use in clinical transplantation. Here we define how the incomplete control of endogenous donor-reactive memory T cells results in belatacept-resistant rejection in an experimental model of BALB/c.2W-OVA donor heart transplantation into C57BL/6 recipients presensitized to donor splenocytes. These sensitized mice harbored modestly elevated numbers of endogenous donor-specific memory T cells and alloantibodies compared with naive recipients...
May 4, 2017: JCI Insight
https://www.readbyqxmd.com/read/28467460/mgmapper-reference-based-mapping-and-taxonomy-annotation-of-metagenomics-sequence-reads
#19
Thomas Nordahl Petersen, Oksana Lukjancenko, Martin Christen Frølund Thomsen, Maria Maddalena Sperotto, Ole Lund, Frank Møller Aarestrup, Thomas Sicheritz-Pontén
An increasing amount of species and gene identification studies rely on the use of next generation sequence analysis of either single isolate or metagenomics samples. Several methods are available to perform taxonomic annotations and a previous metagenomics benchmark study has shown that a vast number of false positive species annotations are a problem unless thresholds or post-processing are applied to differentiate between correct and false annotations. MGmapper is a package to process raw next generation sequence data and perform reference based sequence assignment, followed by a post-processing analysis to produce reliable taxonomy annotation at species and strain level resolution...
2017: PloS One
https://www.readbyqxmd.com/read/28457402/early-vascular-thrombosis-after-kidney-transplantation-can-we-predict-patients-at-risk
#20
R A P de Freitas, M L de Lima, M Mazzali
BACKGROUND: Renal transplant is the therapy of choice for patients with chronic renal disease. In recent years, improvement in immunosuppressive drugs reduced early graft loss associated with acute rejection. However, vascular thrombosis, accounting for 5% of early graft loss, can sensitize the recipient for human leukocyte antibodies, reducing the chance for a second transplant. The aim of this study was to identify risk factors for vascular thrombosis in a single transplant center, to design specific prevention protocol...
May 2017: Transplantation Proceedings
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