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https://www.readbyqxmd.com/read/28529025/how-to-establish-and-run-a-stool-bank
#1
REVIEW
Elisabeth M Terveer, Yvette H van Beurden, Abraham Goorhuis, Jos F M L Seegers, Martijn P Bauer, E van Nood, Marcel G W Dijkgraaf, Chris J J Mulder, Christina M J E Vandenbroucke-Grauls, Hein W Verspaget, Josbert J Keller, Ed J Kuijper
Since 2013, several stool banks have been developed following publications reporting on clinical success of "Fecal Microbiota Transplantation" (FMT) for recurrent Clostridium difficile infections (CDI). However, protocols for donor screening, fecal suspension preparation and transfer of the fecal suspension differ between various countries and institutions. Moreover, no European consensus exists regarding the legislative aspects of the fecal suspension product. Internationally standardized recommendations about the above mentioned aspects have not yet been established...
May 18, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28522730/11%C3%AE-hsd1-suppresses-cardiac-fibroblast-cxcl2-cxcl5-and-neutrophil-recruitment-to-the-heart-post-mi
#2
Katie J Mylonas, Neil A Turner, Sumia A Bageghni, Christopher J Kenyon, Christopher I White, Kieran McGregor, Robert A Kimmitt, Richard Sulston, Valerie Kelly, Brian R Walker, Karen E Porter, Karen E Chapman, Gillian A Gray
We have previously demonstrated that neutrophil recruitment to the heart following myocardial infarction (MI) is enhanced in mice lacking 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) that regenerates active glucocorticoid within cells from intrinsically inert metabolites. The present study aimed to identify the mechanism of regulation. In a mouse model of MI, neutrophil mobilization to blood and recruitment to the heart were higher in 11β-HSD1-deficient (Hsd11b1(-)(/)(-) ) relative to wild-type (WT) mice, despite similar initial injury and circulating glucocorticoid...
June 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28521795/ex-vivo-recruitment-and-x-ray-assessment-of-donor-lungs-in-a-challenging-retrieval-from-a-donor-supported-by-lvad-using-the-portable-normothermic-perfusion-system-a-case-report
#3
Marco Schiavon, Francesca Calabrese, Guido Di Gregorio, Monica Loy, Giuseppe Marulli, Alessandro Rebusso, Fiorella Calabrese, Federico Rea
BACKGROUND: Lung transplantation (LTx) is limited by the shortage of suitable donors. To overcome this problem, many programs have begun to use donors with extended criteria (marginal donors). However, brain-dead patients with implanted mechanical circulatory support system have rarely been considered as potential lung donors. This case demonstrates the feasibility of lung transplantations from organ donors supported by a mechanical circulatory support system despite the possible difficulties of lung retrieval...
May 18, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28518220/postdonation-iron-replacement-for-maintaining-iron-stores-in-female-whole-blood-donors-in-routine-donor-practice-results-of-two-feasibility-studies-in-australia
#4
Sant-Rayn Pasricha, Denese C Marks, Hannah Salvin, Tania Brama, Anthony J Keller, Joanne Pink, Joanna Speedy
BACKGROUND: Iron deficiency represents a risk to donor health and the blood supply. Efficacy trials indicate that postdonation iron replacement improves iron stores but they do not account for complexities of implementation in the routine collection context. We therefore conducted two prospective feasibility studies in Australian donor centers. STUDY DESIGN AND METHODS: In both studies we recruited female donors between 18 and 45 years who had made at least one donation in the previous 12 months...
May 18, 2017: Transfusion
https://www.readbyqxmd.com/read/28513807/the-nuclear-pore-protein-nup153-associates-with-chromatin-and-regulates-cardiac-gene-expression-in-dystrophic-mdx-hearts
#5
Simona Nanni, Agnese Re, Cristian Ripoli, Aoife Gowran, Patrizia Nigro, Domenico D'Amario, Antonio Amodeo, Filippo Crea, Claudio Grassi, Alfredo Pontecorvi, Antonella Farsetti, Claudia Colussi
Aims: Beyond the control of nuclear-cytoplasmic trafficking nucleoporins regulate gene expression and are involved in cardiac diseases. Notably, a number of cardiovascular disorders have been linked to alterations in epigenetic mechanisms. Here we aimed to determine the contribution of Nup153 to the epigenetic alterations occurring in cardiomyopathy of dystrophin-deficient mdx mice (C57BL/10ScSn-Dmd mdx /J). Methods and results: Nup153 was lysine-acetylated and its expression was significantly increased at protein level in mdx hearts compared with controls...
November 1, 2016: Cardiovascular Research
https://www.readbyqxmd.com/read/28508586/role-and-regulation-of-autophagy-and-apoptosis-by-nitric-oxide-in-hepatic-stellate-cells-during-acute-liver-failure
#6
Li Jin, Heng Gao, JiuPing Wang, ShuJuan Yang, Jing Wang, JingFeng Liu, Yuan Yang, TaoTao Yan, Tianyan Chen, Yingren Zhao, Yingli He
BACKGROUND & AIMS: We previously found that hepatic stellate cell (HSC) activation induced by autophagy maintains the liver architecture to prevent collapse during acute liver failure (ALF). Nitric oxide (NO) has shown to induce HSC apoptosis. Whether and how NO is involved in ALF and autophagy remains unclear. METHODS: ALF patients were recruited to investigate the correlation between plasma NO levels and clinical features. Liver tissues were collected from chronic hepatitis patients by biopsy and from ALF patients who had undergone liver transplantation...
May 15, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28508402/risk-factors-for-human-immunodeficiency-virus-among-blood-donors-in-cameroon-evidence-for-the-design-of-an-africa-specific-donor-history-questionnaire
#7
Claude T Tagny, Georges Nguefack-Tsague, Diderot Fopa, Celestin Ashu, Estel Tante, Pauline Ngo Balogog, Olivier Donfack, Dora Mbanya, Syria Laperche, Edward Murphy
BACKGROUND: In sub-Saharan Africa improving the deferral of at-risk blood donors would be a cost-effective approach to reducing transfusion-transmitted human immunodeficiency virus (HIV) infections. We performed a pilot case-control study to identify the risk factors for HIV infection and to develop an adapted donor history questionnaire (DHQ) for sub-Saharan Africa. STUDY DESIGN AND METHODS: We recruited 137 HIV-positive donors (cases) and 256 HIV-negative donors (controls) and gathered risk factor data using audio computer-assisted self-interview...
May 15, 2017: Transfusion
https://www.readbyqxmd.com/read/28506683/the-caspase-1-inhibitor-card18-is-specifically-expressed-during-late-differentiation-of-keratinocytes-and-its-expression-is-lost-in-lichen-planus
#8
Haihong Qin, Jiang Jin, Heinz Fischer, Michael Mildner, Maria Gschwandtner, Veronika Mlitz, Leopold Eckhart, Erwin Tschachler
BACKGROUND: CARD18 contains a caspase recruitment domain (CARD) via which it binds to caspase-1 and thereby inhibits caspase-1-mediated activation of the pro-inflammatory cytokine interleukin (IL)-1β. OBJECTIVES: To determine the expression profile and the role of CARD18 during differentiation of keratinocytes and to compare the expression of CARD18 in normal skin and in inflammatory skin diseases. METHODS: Human keratinocytes were induced to differentiate in monolayer and in 3D skin equivalent cultures...
May 1, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28491336/opportunities-for-engaging-patients-in-kidney-research
#9
REVIEW
Maryam N Demian, Ngan N Lam, Fabrice Mac-Way, Ruth Sapir-Pichhadze, Nicolas Fernandez
PURPOSE: The purpose of this review is to provide a summary of the rationale for engaging patients in research as well as to review the established and envisioned advantages and strategies for patient-researcher partnerships. The authors of this article, which include a patient and 4 researchers in kidney disease, discuss the expected benefits and opportunities for patient engagement in their respective research programs. The 4 research programs span the spectrum of kidney disease and focus on enhancing bone health, increasing living donor kidney transplants, improving medication adherence, and preventing kidney transplant rejection...
2017: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/28489379/hydroxy-substituted-heteroarylpiperazines-novel-scaffolds-for-%C3%AE-arrestin-biased-d2r-agonists
#10
Barbara Männel, Daniela Dengler, Jeremy Shonberg, Harald Hübner, Dorothee Möller, Peter Gmeiner
By means of a formal structural hybridization of the antipsychotic drug aripiprazole and the heterocyclic catecholamine surrogates present in the β2-adrenoceptor agonists procaterol and BI-167107 (4), we designed and synthesized a collection of novel hydroxy-substituted heteroarylpiperazines and heteroarylhomopiperazines with high dopamine D2 receptor (D2R) affinity. In contrast to the weak agonistic behavior of aripiprazole, these ligands are capable of effectively mimicking those interactions of dopamine and the D2R that are crucial for an active state, leading to the recruitment of β-arrestin-2...
May 10, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28481223/ca2-channel-clustering-with-insulin-containing-granules-is-disturbed-in-type-2-diabetes
#11
Nikhil R Gandasi, Peng Yin, Michela Riz, Margarita V Chibalina, Giuliana Cortese, Per-Eric Lund, Victor Matveev, Patrik Rorsman, Arthur Sherman, Morten G Pedersen, Sebastian Barg
Loss of first-phase insulin secretion is an early sign of developing type 2 diabetes (T2D). Ca2+ entry through voltage-gated L-type Ca2+ channels triggers exocytosis of insulin-containing granules in pancreatic β cells and is required for the postprandial spike in insulin secretion. Using high-resolution microscopy, we have identified a subset of docked insulin granules in human β cells and rat-derived clonal insulin 1 (INS1) cells for which localized Ca2+ influx triggers exocytosis with high probability and minimal latency...
May 8, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28477010/circulating-mir-21-serves-as-a-serum-biomarker-for-hepatocellular-carcinoma-and-correlated-with-distant-metastasis
#12
Xin Guo, Xiaohui Lv, Xing Lv, Yueyun Ma, Lin Chen, Yong Chen
Serum miRNAs have gained great popularity to act as circulating biomarkers of several cancers. In this study, we aimed to evaluate the diagnostic efficiency of serum miR-21 as novel biomarkers for patients with hepatocellular carcinoma (HCC) and other controls. A total of 533 individuals were recruited and conducted in a two-step analysis. The pilot group included 40 HCC patients and 40 healthy donors. The expression levels of miR-21 were significantly higher in primary HCC tissues than in adjacent noncancerous tissues (P<0...
April 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28469082/ctla4-ig-in-combination-with-fty720-promotes-allograft-survival-in-sensitized-recipients
#13
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/28468078/-effect-of-peripheral-bloodgenomic-dna-methylation-on-the-relationship-between-methyl-donor-status-and-risk-of-breast-cancer
#14
W P Luo, Y F Du, J Huang, W Q Huang, M Xu, B Yan, X F Mo, C X Zhang
Objective: To explore the effect of peripheral blood genomic DNA methylation on the relationship between methyl donor status and risk of breast cancer. Methods: A case-control study was conducted. Each three hundred breast cancer cases and controls were consecutively recruited. Food frequency questionnaire was used to collect dietary information. Amounts on folate, methionine, choline and betaine intake were calculated. Blood samples were collected for DNA extraction. Peripheral blood genomic DNA methylation was measured by using the Methyl Flash(TM) Methylated DNA Quantification Kit...
April 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28467058/a-synthetic-alternative-to-canonical-one-carbon-metabolism
#15
Madeleine Bouzon, Alain Perret, Olivier Loreau, Valérie Delmas, Nadia Perchat, Jean Weissenbach, Frédéric Taran, Philippe Marlière
One-carbon metabolism is an ubiquitous metabolic pathway that encompasses the reactions transferring formyl-, hydroxymethyl- and methyl-groups bound to tetrahydrofolate for the synthesis of purine nucleotides, thymidylate, methionine and dehydropantoate, the precursor of coenzyme A. An alternative cyclic pathway was designed that substitutes 4-hydroxy-2-oxobutanoic acid (HOB), a compound absent from known metabolism, for the amino acids serine and glycine as one-carbon donors. It involves two novel reactions, the transamination of l-homoserine and the transfer of a one-carbon unit from HOB to tetrahydrofolate releasing pyruvate as coproduct...
May 3, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28463604/nell-1-hmgb1-and-ccn2-enhance-migration-and-vasculogenesis-but-not-osteogenic-differentiation-compared-to-bmp2
#16
Shorouk Fahmy-Garcia, Marjolein van Driel, Janneke Witte-Buoma, Heike Walles, Johannes Ptm van Leeuwen, Gerjo van Osch, Eric Farrell
Currently, autografts still represent the gold standard treatment for the repair of large bone defects. However, these are associated with donor site morbidity, increased pain, cost and recovery time. The ideal therapy would use biomaterials combined with bone growth factors to induce and instruct bone defect repair without the need to harvest patient tissue. In this line, BMPs have been the most extensively used agents for clinical bone repair, but at supraphysiological doses that are not without risk. Because of the need to eliminate the risks of BMP2 use in vivo, we assessed the ability of three putative osteogenic factors, Nell-1, HMGB1 and CCN2, to enhance the essential processes for bone defect repair in vitro and compared them to BMP2...
May 2, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28458152/increased-expression-of-p2x7-receptor-in-peripheral-blood-mononuclear-cells-correlates-with-clinical-severity-and-serum-levels-of-th17-related-cytokines-in-patients-with-myasthenia-gravis
#17
Yong Zhang, Yanyan Zhang, Hao Li, Xiao Jia, Xiuying Zhang, Yan Xia, YuZhong Wang, Linlin Fu, Chenghua Xiao, Deqin Geng
OBJECTIVES: P2X7R is a well-documented activator of innate and adaptive immune responses. We aimed to measure the expression levels of P2X7R in peripheral blood mononuclear cells (PBMCs) from patients with myasthenia gravis (MG) and to investigate whether the expression of P2X7R is associated with pathogenesis of MG. PATIENTS AND METHODS: A total of 32 patients with MG (12 generalized MG (GMG) and 20 Ocular MG (OMG) and 22 healthy donors were recruited in this study...
June 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28454884/immunoglobulin-g-levels-during-collection-of-large-volume-plasma-for-fractionation
#18
Thomas Burkhardt, Remo Rothe, Rainer Moog
BACKGROUND: There is a need of comprehensive work dealing with the quality of plasma for fractionation with respect to the IgG content as today most plasma derivates are used to treat patients with immunodeficiencies and autoimmune disorders. Therefore, a prospective study was carried out to analyse IgG levels before plasmapheresis and every 200ml collected plasma. MATERIALS AND METHODS: Fifty-four experienced plasmapheresis donors were recruited for subsequent 850ml plasmapheresis using the Aurora Plasmapheresis System...
April 12, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28446536/donor-specific-antibodies-in-kidney-transplant-recipients
#19
REVIEW
Rubin Zhang
Donor-specific antibodies have become an established biomarker predicting antibody-mediated rejection. Antibody-mediated rejection is the leading cause of graft loss after kidney transplant. There are several phenotypes of antibody-mediated rejection along post-transplant course that are determined by the timing and extent of humoral response and the various characteristics of donor-specific antibodies, such as antigen classes, specificity, antibody strength, IgG subclasses, and complement binding capacity...
April 26, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28434548/ex%C3%A2-vivo-lung-perfusion-rehabilitates-sepsis-induced-lung-injury
#20
J Hunter Mehaffey, Eric J Charles, Ashish K Sharma, Morgan Salmon, Dustin Money, Sarah Schubert, Mark H Stoler, Curtis G Tribble, Victor E Laubach, Mark E Roeser, Irving L Kron
BACKGROUND: Sepsis is the number one cause of lung injury in adults. Ex vivo lung perfusion (EVLP) is gaining clinical acceptance for donor lung evaluation and rehabilitation and may expand the use of marginal organs for transplantation. We hypothesized that 4 hours of normothermic EVLP would improve compliance and oxygenation in a porcine model of sepsis-induced lung injury. METHODS: We used intravenous lipopolysaccharide (LPS) to induce a systemic inflammatory response in a porcine model of lung injury...
June 2017: Annals of Thoracic Surgery
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