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https://www.readbyqxmd.com/read/29066577/identification-and-characterization-of-t-reg-like-cells-in-zebrafish
#1
Melissa Kasheta, Corrie A Painter, Finola E Moore, Riadh Lobbardi, Alysia Bryll, Eli Freiman, David Stachura, Arlin B Rogers, Yariv Houvras, David M Langenau, Craig J Ceol
Regulatory T (T reg) cells are a specialized sublineage of T lymphocytes that suppress autoreactive T cells. Functional studies of T reg cells in vitro have defined multiple suppression mechanisms, and studies of T reg-deficient humans and mice have made clear the important role that these cells play in preventing autoimmunity. However, many questions remain about how T reg cells act in vivo. Specifically, it is not clear which suppression mechanisms are most important, where T reg cells act, and how they get there...
October 24, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28952138/can-sglt2-inhibitors-cause-acute-renal-failure-plausible-role-for-altered-glomerular-hemodynamics-and-medullary-hypoxia
#2
REVIEW
Auryan Szalat, Amichai Perlman, Mordechai Muszkat, Mogher Khamaisi, Zaid Abassi, Samuel N Heyman
Sodium-glucose co-transporter-2 inhibitors (SGLT2i) provide outstanding long-term cardiovascular and renal protection in high-risk patients with type 2 diabetes mellitus. Yet, despite encouraging renal safety outcomes reported in the EMPA-REG study, scattered reports suggest that there might be a risk for acute kidney injury (AKI), which may occasionally be fatal or might require renal replacement therapy. Reduced trans-glomerular pressure with a modest decline in kidney function, an inherent characteristic of SGLT2i therapy, conceivably forms the basis for the long-term renal protection, resembling agents that block the renin-angiotensin-aldosterone (RAAS) axis...
September 26, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28859712/long-term-olfactory-outcome-after-nasoseptal-flap-reconstructions-in-midline-skull-base-surgery
#3
Michael B Soyka, Carlo Serra, Luca Regli, Eva Meier, David Holzmann
BACKGROUND: The nasoseptal flap (NSF) is a universally used surgical technique to cover defects of the skull base after extended sinonasal surgery. Long-term follow-up of complications, sequelae, and smell function is largely unknown. OBJECTIVE: The main objective of this study was to investigate monorhinal olfaction after transsphenoidal skull base surgery. METHODS: Patients who underwent skull base surgery for midline lesions (craniopharyngioma and pituitary tumors) by using a NSF, also referred to as the Haddad flap, were assessed for their long-term outcome...
September 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28836359/the-potential-role-and-rationale-for-treatment-of-heart-failure-with-sodium-glucose-co-transporter-2-inhibitors
#4
REVIEW
Javed Butler, Carine E Hamo, Gerasimos Filippatos, Stuart J Pocock, Richard A Bernstein, Martina Brueckmann, Alfred K Cheung, Jyothis T George, Jennifer B Green, James L Januzzi, Sanjay Kaul, Carolyn S P Lam, Gregory Y H Lip, Nikolaus Marx, Peter A McCullough, Cyrus R Mehta, Piotr Ponikowski, Julio Rosenstock, Naveed Sattar, Afshin Salsali, Benjamin M Scirica, Sanjiv J Shah, Hiroyuki Tsutsui, Subodh Verma, Christoph Wanner, Hans-Juergan Woerle, Faiez Zannad, Stefan D Anker
Heart failure (HF) and type 2 diabetes mellitus (T2DM) are both growing public health concerns contributing to major medical and economic burdens to society. T2DM increases the risk of HF, frequently occurs concomitantly with HF, and worsens the prognosis of HF. Several anti-hyperglycaemic medications have been associated with a concern for worse HF outcomes. More recently, the results of the EMPA-REG OUTCOME trial showed that the sodium-glucose co-transporter 2 (SGLT2) inhibitor empagliflozin was associated with a pronounced and precocious 38% reduction in cardiovascular mortality in subjects with T2DM and established cardiovascular disease [Correction added on 8 September 2017, after first online publication: "32%" in the previous sentence was corrected to "38%"]...
August 24, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28798144/frontline-science-leishmania-mexicana-amastigotes-can-replicate-within-neutrophils
#5
Benjamin P Hurrell, Manon Beaumann, Sandrina Heyde, Ivo B Regli, Andreas J Müller, Fabienne Tacchini-Cottier
Cutaneous leishmaniasis is a neglected tropical disease, causing a spectrum of clinical manifestations varying from self-healing to unhealing lesions that may be very difficult to treat. Emerging evidence points to a detrimental role for neutrophils during the first hours following infection with many distinct Leishmania species (spp.) at a time when the parasite is in its nonreplicative promastigote form. Neutrophils have also been detected at later stages of infection in unhealing chronic cutaneous lesions...
November 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28765071/ficz-generates-human-tdcs-that-induce-cd4-cd25-high-foxp3-treg-like-cell-differentiation
#6
Brenda B Jurado-Manzano, Daniel Zavala-Reyes, Edgar A Turrubiartes-Martínez, Diana P Portales-Pérez, Roberto González-Amaro, Esther Layseca-Espinosa
Dendritic cells (DCs) play a central role in the maintenance of immune homeostasis, their participation as professional antigen presenting cells is essential to the initiation of the adaptive immune response as well as to the induction of tolerance. The recently described role of the aryl hydrocarbon receptor (AhR) in the immune system, particularly in the modulation of the adaptive immune response has attracted the attention as a potential player in the induction of immune tolerance. However, the effects of AhR activation through endogenous ligands on human DCs have been poorly evaluated...
July 29, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28726999/the-effects-of-instrumental-color-and-extractable-lipid-content-on-sensory-characteristics-of-pork-loin-chops-cooked-to-a-medium-rare-degree-of-doneness
#7
K B Wilson, M F Overholt, C M Shull, C Schwab, A C Dilger, D D Boler
Boneless loins ( = 286) were selected from a population of pigs of a common genetic line and management strategy to be used in an experiment to determine the effects of instrumental color and extractable lipid content on sensory traits of boneless pork chops cooked to an end point internal temperature of 63°C. Loins were cut into 2.54-cm-thick chops and aged until 14 d postmortem. Chop L* values ranged from 57.60 (light) to 43.11 (dark) and extractable lipid ranged from 0.80 to 5.52%. Using these values, chops were assigned to 5 color and 6 marbling categories using National Pork Producers Council (NPPC) standards, resulting in a 5 × 6 factorial arrangement of treatments...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28655574/cisplatin-along-with-herbal-drug-treatment-reduces-the-percentage-of-regulatory-t-cells-and-decreased-the-severity-of-experimental-visceral-leishmaniasis
#8
Heena Sachdeva, Sukhbir Kaur
BACKGROUND: Visceral leishmaniasis is the most alarming and devastating amongst the various forms of leishmaniases. It is caused by Leishmania donovani, an obligate intracellular parasite of macrophages that survives through immunosuppression. Absence of T regulatory cells provides complete clearance of the parasite. A few immunoprophylactics have been sought to battle instinctive leishmaniasis, with fluctuating achievement. Our previous studies have shown that treatment of L. donovani infected mice with cisplatin along with herbal drugs resulted in decreased parasite load with heightened delayed type hypersensitivity responses (DTH), increased levels of IgG2a, IFN-γ, IL-2, CD4+ cells, NK 1...
June 8, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28428645/effect-of-tailored-educational-intervention-to-improve-self-care-maintenance-and-quality-of-life-in-postmenopausal-osteoporotic-women-after-a-fragility-fracture-the-guardian-angel-reg-study
#9
MULTICENTER STUDY
Emanuela Basilici Zannetti, Fabio D'Agostino, Noemi Cittadini, Maurizio Feola, Annalisa Pennini, Cecilia Rao, Ercole Vellone, Umberto Tarantino, Rosaria Alvaro
Osteoporosis has a significant impact on affected patients. Healthcare providers should encourage postmenopausal women to improve self-care maintenance behaviors and quality of life following a fragility fracture. The aims of this study were to a) develop two new instruments for measuring, respectively, self-care maintenance and quality of life, in postmenopausal women with osteoporosis; b) evaluate the effectiveness of a tailored educational intervention to improve self-care maintenance and quality of life after a fragility fracture in postmenopausal women...
January 2017: Igiene e Sanità Pubblica
https://www.readbyqxmd.com/read/28411882/in-vitro-generation-of-interleukin-10-secreting-b-regulatory-cells-from-donor-adipose-tissue-derived-mesenchymal-stem-cells-and-recipient-peripheral-blood-mononuclear-cells-for-potential-cell-therapy
#10
Kunal S Gupte, Aruna V Vanikar, Hargovind L Trivedi, Chetan N Patel, Jignesh V Patel
BACKGROUND: Interleukin-10 secreting B-cells are a major subset of B-regulatory cells (B-regs), commonly recognized as CD19(+)/38(hi)/24(hi)/IL10(+). They carry out immunomodulation by release of specific cytokines and/or cell-to-cell contact. We have generated B-regs in-vitro from donor adipose tissue derived mesenchymal stem cells (AD-MSC) and renal allograft recipient (RAR) peripheral blood mononuclear cells (PBMC) for potential cell therapy. MATERIAL AND METHODS: Mononuclear cells separated by density gradient centrifugation from 50 ml anti-coagulated blood of 15-RAR and respective donors were analysed for baseline B-regs using appropriate antibodies...
February 2017: Biomedical Journal
https://www.readbyqxmd.com/read/28297322/evaluation-of-the-tool-reg-refine-for-user-guided-deformable-image-registration
#11
Perry B Johnson, Kyle R Padgett, Kuan L Chen, Nesrin Dogan
"Reg Refine" is a tool available in the MIM Maestro v6.4.5 platform (www.mimsoftware.com) that allows the user to actively participate in the deformable image registration process. The purpose of this work was to evaluate the efficacy of this tool and investigate strategies for how to apply it effectively. This was done by performing DIR on two publicly available ground-truth models, the Pixel-based Breathing Thorax Model (POPI) for lung, and the Deformable Image Registration Evaluation Project (DIREP) for head and neck...
May 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28271497/chronic-schistosomiasis-during-pregnancy-epigenetically-reprograms-t-cell-differentiation-in-offspring-of-infected-mothers
#12
Kathrin Klar, Sophie Perchermeier, Sonakshi Bhattacharjee, Hani Harb, Thure Adler, Rouzanna Istvanffy, Eva Loffredo-Verde, Robert R A Oostendorp, Harald Renz, Clarissa Prazeres da Costa
Schistosomiasis is a nontransplacental helminth infection. Chronic infection during pregnancy suppresses allergic airway responses in offspring. We addressed the question whether in utero exposure to chronic schistosome infection (Reg phase) in mice affects B-cell and T-cell development. Therefore, we focused our analyses on T-cell differentiation capacity induced by epigenetic changes in promoter regions of signature cytokines in offspring. Here, we show that naïve T cells from offspring of schistosome infected female mice had a strong capacity to differentiate into TH 1 cells, whereas TH 2 differentiation was impaired...
May 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28130403/suppression-of-lethal-autoimmunity-by-regulatory-t-cells-with-a-single-tcr-specificity
#13
Andrew G Levine, Saskia Hemmers, Antonio P Baptista, Michail Schizas, Mehlika B Faire, Bruno Moltedo, Catherine Konopacki, Marc Schmidt-Supprian, Ronald N Germain, Piper M Treuting, Alexander Y Rudensky
The regulatory T cell (T reg cell) T cell receptor (TCR) repertoire is highly diverse and skewed toward recognition of self-antigens. TCR expression by T reg cells is continuously required for maintenance of immune tolerance and for a major part of their characteristic gene expression signature; however, it remains unknown to what degree diverse TCR-mediated interactions with cognate self-antigens are required for these processes. In this study, by experimentally switching the T reg cell TCR repertoire to a single T reg cell TCR, we demonstrate that T reg cell function and gene expression can be partially uncoupled from TCR diversity...
March 6, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28125674/characterisation-of-immune-and-neuroinflammatory-changes-associated-with-chemotherapy-induced-peripheral-neuropathy
#14
Preet G S Makker, Samuel S Duffy, Justin G Lees, Chamini J Perera, Ryan S Tonkin, Oleg Butovsky, Susanna B Park, David Goldstein, Gila Moalem-Taylor
Chemotherapy-induced peripheral neuropathy (CIPN) and associated neuropathic pain is a debilitating adverse effect of cancer treatment. Current understanding of the mechanisms underpinning CIPN is limited and there are no effective treatment strategies. In this study, we treated male C57BL/6J mice with 4 cycles of either Paclitaxel (PTX) or Oxaliplatin (OXA) over a week and tested pain hypersensitivity and changes in peripheral immune responses and neuroinflammation on days 7 and 13 post 1st injection. We found that both PTX and OXA caused significant mechanical allodynia...
2017: PloS One
https://www.readbyqxmd.com/read/28097046/molecular-classification-of-tissue-from-a-transformed-non-hogkin-s-lymphoma-case-with-unexpected-long-time-remission
#15
Julie Støve Bødker, Marianne Tang Severinsen, Tarec Christoffer El-Galaly, Rasmus Froberg Brøndum, Maria Bach Laursen, Steffen Falgreen, Mette Nyegaard, Alexander Schmitz, Lasse Hjort Jakobsen, Anna Amanda Schönherz, Hanne Due, Linn Reinholdt, Martin Bøgsted, Karen Dybkær, Hans Erik Johnsen
BACKGROUND: The concept of precision medicine in cancer includes individual molecular studies to predict clinical outcomes. In the present N = 1 case we retrospectively have analysed lymphoma tissue by exome sequencing and global gene expression in a patient with unexpected long-term remission following relaps. The goals were to phenotype the diagnostic and relapsed lymphoma tissue and evaluate its pattern. Furthermore, to identify mutations available for targeted therapy and expression of genes to predict specific drug effects by resistance gene signatures (REGS) for R-CHOP as described at http://www...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28046982/su-c-207b-07-deep-convolutional-neural-network-image-matching-for-ultrasound-guidance-in-radiotherapy
#16
N Zhu, M Najafi, S Hancock, D Hristov
PURPOSE: Robust matching of ultrasound images is a challenging problem as images of the same anatomy often present non-trivial differences. This poses an obstacle for ultrasound guidance in radiotherapy. Thus our objective is to overcome this obstacle by designing and evaluating an image blocks matching framework based on a two channel deep convolutional neural network. METHODS: We extend to 3D an algorithmic structure previously introduced for 2D image feature learning [1]...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/27858115/-the-new-esc-guidelines-for-acute-and-chronic-heart-failure-2016
#17
REVIEW
C U Oeing, C Tschöpe, B Pieske
The new guidelines for the diagnosis and treatment of acute and chronic heart failure (HF) were presented in May 2016 during the congress of the Heart Failure Association (HFA) of the European Society of Cardiology (ESC) in Florence. An important amendment affects the classification of HF which now differentiates between HF with preserved ejection fraction (HFpEF) and left ventricular EF (LVEF) > 50%, HF with reduced ejection fraction (HFrEF, LVEF < 40%) and the new entity HF with mid-range ejection fraction (HFmrEF, LVEF 40-49%)...
December 2016: Herz
https://www.readbyqxmd.com/read/27832556/can-femoral-venous-pressure-be-used-as-an-estimate-for-standard-vesical-intra-abdominal-pressure-measurement
#18
A E Howard, A Regli, E Litton, M M Malbrain, A-M Palermo, B L De Keulenaer
Intra-abdominal hypertension (IAH) is highly prevalent in critically ill patients admitted to the intensive care unit and is associated with an increased morbidity and mortality. The present study investigated whether femoral venous pressure (FVP) can be used as a surrogate parameter for intra-abdominal pressure (IAP) measured via the bladder in IAH grade II (IAP <20 mmHg) or grade III (IAP ≥20 mmHg). This was a single-centre prospective study carried out in a tertiary adult intensive care unit. IAP was measured via the bladder with a urinary catheter with simultaneous recording of the FVP via a femoral central line...
November 2016: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/27818720/registration-of-common-wheat-germplasm-with-mutations-in-sbeii-genes-conferring-increased-grain-amylose-and-resistant-starch-content
#19
André Schönhofen, Brittany Hazard, Xiaoqin Zhang, Jorge Dubcovsky
Starch present in the endosperm of common wheat (Triticum aestivum L.) grains is an important source of carbohydrates worldwide. Starches with a greater proportion of amylose have increased levels of resistant starch, a dietary fiber that can provide human health benefits. Induced mutations in STARCH BRANCHING ENZYME II (SBEII) genes in wheat are associated with increased amylose and resistant starch. Ethyl methane sulfonate mutations in SBEIIa and SBEIIb paralogs were combined in the hexaploid wheat cultivar Lassik...
May 2016: Journal of Plant Registrations
https://www.readbyqxmd.com/read/27678500/applications-and-mechanisms-of-immunotherapy-in-allergic-rhinitis-and-asthma
#20
Jasper H Kappen, Stephen R Durham, Hans In 't Veen, Mohamed H Shamji
Clinical and immunologic tolerance are hallmarks of successful allergen immunotherapy (AIT). Clinical benefits such as reduced symptoms, pharmacotherapy intake and improvement of quality of life persist following cessation of treatment. Successful AIT is associated with suppression of allergic inflammatory cells such as mast cells, eosinophils and basophils in target organs. Furthermore, AIT down-regulates type 2 innate lymphoid cells and allergen-specific type 2 T-helper (Th2) cells. The immunologic tolerant state following AIT is associated with the induction of distinct phenotypes of regulatory T-cells (T-regs) including interleukin (IL)-10-, IL-35- and transforming growth factor (TGF)-β- producing T-regs and FoxP3(+) T-regs...
January 2017: Therapeutic Advances in Respiratory Disease
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