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https://www.readbyqxmd.com/read/28648659/enterochromaffin-cells-are-gut-chemosensors-that-couple-to-sensory-neural-pathways
#1
Nicholas W Bellono, James R Bayrer, Duncan B Leitch, Joel Castro, Chuchu Zhang, Tracey A O'Donnell, Stuart M Brierley, Holly A Ingraham, David Julius
Dietary, microbial, and inflammatory factors modulate the gut-brain axis and influence physiological processes ranging from metabolism to cognition. The gut epithelium is a principal site for detecting such agents, but precisely how it communicates with neural elements is poorly understood. Serotonergic enterochromaffin (EC) cells are proposed to fulfill this role by acting as chemosensors, but understanding how these rare and unique cell types transduce chemosensory information to the nervous system has been hampered by their paucity and inaccessibility to single-cell measurements...
June 21, 2017: Cell
https://www.readbyqxmd.com/read/28648142/overcoming-intratumoural-heterogeneity-for-reproducible-molecular-risk-stratification-a-case-study-in-advanced-kidney-cancer
#2
Alexander L R Lubbock, Grant D Stewart, Fiach C O'Mahony, Alexander Laird, Peter Mullen, Marie O'Donnell, Thomas Powles, David J Harrison, Ian M Overton
BACKGROUND: Metastatic clear cell renal cell cancer (mccRCC) portends a poor prognosis and urgently requires better clinical tools for prognostication as well as for prediction of response to treatment. Considerable investment in molecular risk stratification has sought to overcome the performance ceiling encountered by methods restricted to traditional clinical parameters. However, replication of results has proven challenging, and intratumoural heterogeneity (ITH) may confound attempts at tissue-based stratification...
June 26, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28645960/efficacy-of-adding-a-physiotherapy-rehabilitation-programme-to-arthroscopic-management-of-femoroacetabular-impingement-syndrome-a-randomised-controlled-trial-fair
#3
Kim L Bennell, Libby Spiers, Amir Takla, John O'Donnell, Jessica Kasza, David J Hunter, Rana S Hinman
OBJECTIVES: Although several rehabilitation programmes following hip arthroscopy for femoracetabular impingement (FAI) syndrome have been described, there are no clinical trials evaluating whether formal physiotherapy-prescribed rehabilitation improves recovery compared with self-directed rehabilitation. The objective of this study was to evaluate the efficacy of adding a physiotherapist-prescribed rehabilitation programme to arthroscopic surgery for FAI syndrome. DESIGN: Randomised controlled trial...
June 23, 2017: BMJ Open
https://www.readbyqxmd.com/read/28644773/mobilized-peripheral-blood-stem-cells-versus-unstimulated-bone-marrow-as-a-graft-source-for-t-cell-replete-haploidentical-donor-transplantation-using-post-transplant-cyclophosphamide
#4
Asad Bashey, Mei-Jie Zhang, Shannon R McCurdy, Andrew St Martin, Trevor Argall, Claudio Anasetti, Stefan O Ciurea, Omotayo Fasan, Sameh Gaballa, Mehdi Hamadani, Pashna Munshi, Monzr M Al Malki, Ryotaro Nakamura, Paul V O'Donnell, Miguel-Angel Perales, Kavita Raj, Rizwan Romee, Scott Rowley, Vanderson Rocha, Rachel B Salit, Melhem Solh, Robert J Soiffer, Ephraim Joseph Fuchs, Mary Eapen
Purpose T-cell-replete HLA-haploidentical donor hematopoietic transplantation using post-transplant cyclophosphamide was originally described using bone marrow (BM). With increasing use of mobilized peripheral blood (PB), we compared transplant outcomes after PB and BM transplants. Patients and Methods A total of 681 patients with hematologic malignancy who underwent transplantation in the United States between 2009 and 2014 received BM (n = 481) or PB (n = 190) grafts. Cox regression models were built to examine differences in transplant outcomes by graft type, adjusting for patient, disease, and transplant characteristics...
June 23, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28642282/kappa-opioid-receptors-mediate-heterosynaptic-suppression-of-hippocampal-inputs-in-the-rat-ventral-striatum
#5
Julie Brooks, Patricio O'Donnell
Kappa opioid receptors (KOR) are highly enriched within the ventral striatum (VS) and are thought to modulate striatal neurotransmission. This includes presynaptic inhibition of local glutamatergic release from excitatory inputs to the VS. However, it is not known which inputs drive this modulation and what impact they have on the local circuit dynamics within the VS. Individual medium spiny neurons (MSNs) within the VS serve as a site of convergence for glutamatergic inputs arising from the prefrontal cortex (PFC) and limbic regions, such as the hippocampus (HP)...
June 22, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28634350/a-subset-of-cerebrovascular-pericytes-originates-from-mature-macrophages-in-the-very-early-phase-of-vascular-development-in-cns
#6
Seiji Yamamoto, Masashi Muramatsu, Erika Azuma, Masashi Ikutani, Yoshinori Nagai, Hiroshi Sagara, Bon-Nyeo Koo, Satomi Kita, Erin O'Donnell, Tsuyoshi Osawa, Hiroyuki Takahashi, Ken-Ichi Takano, Mitsuko Dohmoto, Michiya Sugimori, Isao Usui, Yasuhide Watanabe, Noboru Hatakeyama, Takahiro Iwamoto, Issei Komuro, Kiyoshi Takatsu, Kazuyuki Tobe, Shumpei Niida, Naoyuki Matsuda, Masabumi Shibuya, Masakiyo Sasahara
Pericytes are believed to originate from either mesenchymal or neural crest cells. It has recently been reported that pericytes play important roles in the central nervous system (CNS) by regulating blood-brain barrier homeostasis and blood flow at the capillary level. However, the origin of CNS microvascular pericytes and the mechanism of their recruitment remain unknown. Here, we show a new source of cerebrovascular pericytes during neurogenesis. In the CNS of embryonic day 10.5 mouse embryos, CD31(+)F4/80(+) hematopoietic lineage cells were observed in the avascular region around the dorsal midline of the developing midbrain...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630944/clinvar-data-parsing
#7
Xiaolei Zhang, Eric V Minikel, Anne H O'Donnell-Luria, Daniel G MacArthur, James S Ware, Ben Weisburd
This software repository provides a pipeline for converting raw ClinVar data files into analysis-friendly tab-delimited tables, and also provides these tables for the most recent ClinVar release. Separate tables are generated for genome builds GRCh37 and GRCh38 as well as for mono-allelic variants and complex multi-allelic variants. Additionally, the tables are augmented with allele frequencies from the ExAC and gnomAD datasets as these are often consulted when analyzing ClinVar variants. Overall, this work provides ClinVar data in a format that is easier to work with and can be directly loaded into a variety of popular analysis tools such as R, python pandas, and SQL databases...
2017: Wellcome Open Research
https://www.readbyqxmd.com/read/28630741/the-reliability-of-commonly-used-arthroscopic-classifications-of-ligamentum-teres-pathology
#8
Brian M Devitt, Bjorn Smith, Robert Stapf, Suenghwan Jo, John M O'Donnell
The importance of the ligamentum teres (LT) in the hip is increasingly being recognized. However, the incidence of LT tears in the literature is extremely variable. Although classification systems exist their reliability in classifying LT pathology arthroscopically has not been well defined. To determine the inter- and intra-observer reliability of two existing classifications systems for the diagnosis of LT pathology at hip arthroscopy. Second, to identify key pathological findings currently not included. Four experienced hip-arthroscopists reviewed 40 standardized arthroscopic videos...
July 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28630719/hip-arthroscopy-results-in-improved-patient-reported-outcomes-compared-to-non-operative-management-of-waitlisted-patients
#9
Luke Spencer-Gardner, Ruch Dissanayake, Amir Kalanie, Parminder Singh, John O'Donnell
Hip arthroscopy (HA) is an established treatment option to address intra-articular pathology of the hip. However, some clinicians encourage non-operative management (NOM). Non-operative management may include active measures such as physiotherapy and intra-articular steroid injections, or NOM may involve so called watchful waiting with no active intervention. These approaches, along with surgery have been detailed recently in the Warwick Agreement, a Consensus Statement regarding diagnosis and treatment of Femoroacetabular Impingement Syndrome The aim of this study is to compare the change in clinical outcome scores of waitlisted patients with intra-articular hip pathology who receive no active treatment with matched controls that have undergone HA...
January 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28630041/dysregulated-zn-2-homeostasis-impairs-cardiac-type-2-ryanodine-receptor-and-mitsugumin-23-functions-leading-to-sarcoplasmic-reticulum-ca-2-leakage
#10
Benedict Reilly-O'Donnell, Gavin B Robertson, Angela Karumbi, Connor McIntyre, Wojciech Bal, Miyuki Nishi, Hiroshi Takeshima, Alan J Stewart, Samantha J Pitt
Aberrant Zn2+-homeostasis is associated with dysregulated intracellular Ca2+ release resulting in chronic heart failure. In the failing heart, a small population of cardiac ryanodine receptors (RyR2) display sub-conductance state gating leading to Ca2+ leakage from sarcoplasmic reticulum (SR) stores, which impairs cardiac contractility. Previous evidence suggests contribution of RyR2-independent Ca2+ leakage through an uncharacterized mechanism. We sought to examine the role of Zn2+ in shaping intracellular Ca2+ release in cardiac muscle...
June 19, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28630040/endoplasmic-reticulum-associated-degradation-of-the-renal-potassium-channel-romk-leads-to-type-ii-bartter-syndrome
#11
Brighid M O'Donnell, Timothy D Mackie, Arohan R Subramanya, Jeffrey L Brodsky
Type II Bartter syndrome is caused by mutations in the Renal Outer Medullary Potassium (ROMK) channel but the molecular mechanisms underlying this disease are poorly defined. To rapidly screen for ROMK function, we developed a yeast expression system and discovered that yeast cells lacking endogenous potassium channels could be rescued by WT ROMK but not by ROMK proteins containing one of four Bartter mutations. We also found that the mutant proteins were significantly less stable than WT ROMK. However, their degradation was slowed in the presence of a proteasome inhibitor or when yeast cells contained mutations in the CDC48 or SSA1 gene, which is required for endoplasmic reticulum (ER)-associated degradation (ERAD)...
June 19, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28627332/dissociation-between-wanting-and-liking-for-alcohol-and-caffeine-a-test-of-the-incentive-sensitisation-theory
#12
Lilani J Arulkadacham, Ben Richardson, Petra K Staiger, Nicolas Kambouropoulos, Renée L O'Donnell, Mathew Ling
Limited human studies have directly tested the dissociation between wanting and liking with human substance users, a core tenet of the Incentive Sensitisation Theory (IST). The aim of this study is to test the dissociation between wanting and liking in humans across two commonly used licit substances, alcohol and caffeine. The STRAP-R (Sensitivity To Reinforcement of Addictive and other Primary Rewards) questionnaire was administered to 285 alcohol users (mean age=33.30, SD= 8.83) and 134 coffee users (mean age=33...
June 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28625424/scheduling-non-operating-room-anesthesia-cases-in-endoscopy-using-the-sandbox-analogy
#13
Mitchell H Tsai, Leah A Cipri, Stephen E O'Donnell, J Matthew Fisher, Dimitrios A Andritsos
STUDY OBJECTIVE: For many hospitals, the non-operating room anesthesia (NORA) workload continues to expand. We developed a new NORA scheduling process with shared block time - a sandbox - amongst all of the gastroenterology groups and measured the efficacy of the intervention using basic operating room management metrics. DESIGN: Prospective analysis, statistical process control. SETTING: Academic, rural hospital; endoscopy suite; postoperative recovery area...
August 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28620503/general-practice-views-of-managing-childhood-obesity-in-primary-care-a-qualitative-analysis
#14
Jennifer E O'Donnell, Rachel Foskett-Tharby, Paramjit S Gill
OBJECTIVE: To explore general practice staff views of managing childhood obesity in primary care. DESIGN: A qualitative study to elicit the views of clinical and non-clinical general practice staff on managing childhood obesity. SETTING: Interviews were conducted at 30 general practices across England. These practices were interviewed as part of the Quality and Outcomes Framework Pilot Study. PARTICIPANTS: A total of 52 staff from 30 practices took part in a semi-structured interview...
June 2017: JRSM Open
https://www.readbyqxmd.com/read/28620163/natural-history-of-relapsed-myeloma-refractory-to-immunomodulatory-drugs-and-proteasome-inhibitors-a-multicenter-imwg-study
#15
S K Kumar, M A Dimopoulos, E Kastritis, E Terpos, H Nahi, H Goldschmidt, J Hillengass, X Leleu, M Beksac, M Alsina, A Oriol, M Cavo, E M Ocio, M V Mateos, E K O'Donnell, R Vij, H M Lokhorst, N W C J van de Donk, C Min, T Mark, I Turesson, M Hansson, H Ludwig, S Jagannath, M Delforge, C Kyriakou, P Hari, U Mellqvist, S Z Usmani, D Dytfeld, A Z Badros, P Moreau, K Kim, P R Otero, J H Lee, C Shustik, D Waller, W J Chng, S Ozaki, J-J Lee, J de la Rubia, H S Eom, L Rosinol, J J Lahuerta, A Sureda, J S Kim, B G M Durie
Introduction of new myeloma therapies offers new options for patients refractory to immunomodulatory drugs (IMiDs) and proteasome inhibitors (PIs). In this multicenter study, patients with relapsed multiple myeloma, who have received at least three prior lines of therapy, are refractory to both an IMiD (lenalidomide or pomalidomide) and a PI (bortezomib or carfilzomib), and have been exposed to an alkylating agent were identified. The time patients met the above criteria was defined as time zero (T0). Five hundred and forty-three patients diagnosed between 2006 and 2014 were enrolled in this study...
May 12, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28619554/a-prospective-evaluation-of-the-candle-wax-sign-a-visual-clue-to-diagnose-aggressive-basal-cell-carcinoma
#16
Brian Patrick O'Donnell, Christine W Duarte
No abstract text is available yet for this article.
July 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28619195/association-of-triglyceride-related-genetic-variants-with-mitral%C3%A2-annular%C3%A2-calcification
#17
Mehdi Afshar, Kevin Luk, Ron Do, Line Dufresne, David S Owens, Tamara B Harris, Gina M Peloso, Kathleen F Kerr, Quenna Wong, Albert V Smith, Mathew J Budoff, Jerome I Rotter, L Adrienne Cupples, Stephen S Rich, James C Engert, Vilmundur Gudnason, Christopher J O'Donnell, Wendy S Post, George Thanassoulis
BACKGROUND: Mitral annular calcium (MAC), commonly identified by cardiac imaging, is associated with cardiovascular events and predisposes to the development of clinically important mitral valve regurgitation and mitral valve stenosis. However, its biological determinants remain largely unknown. OBJECTIVES: The authors sought to evaluate whether a genetic predisposition to elevations in plasma lipids is associated with the presence of MAC. METHODS: The authors used 3 separate Mendelian randomization techniques to evaluate the associations of lipid genetic risk scores (GRS) with MAC in 3 large patient cohorts: the Framingham Health Study, MESA (Multiethnic European Study of Atherosclerosis), and the AGE-RS (Age, Gene/Environment Susceptibility-Reykjavik Study)...
June 20, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28618838/regression-tree-analysis-of-ecological-momentary-assessment-data
#18
Ben Richardson, Matthew Fuller-Tyszkiewicz, Renee O'Donnell, Mathew Ling, Petra K Staiger
An increasingly popular form of data collection in health psychology research is Ecological Momentary Assessment (EMA); that is, using diaries or smartphones to collect intensive longitudinal data. This method is increasingly applied to the study of relationships between state-based aspects of individuals' functioning and health outcomes (e.g., binge eating, alcohol use). Analysis of such data is challenging and regression tree modelling (RTM) may be a useful alternative to multilevel modeling for investigating the association between a set of explanatory variables and a continuous outcome...
June 16, 2017: Health Psychology Review
https://www.readbyqxmd.com/read/28614354/maternal-prenatal-anxiety-and-child-comt-genotype-predict-working-memory-and-symptoms-of-adhd
#19
Kieran J O'Donnell, Vivette Glover, Jari Lahti, Marius Lahti, Rachel D Edgar, Katri Räikkönen, Thomas G O'Connor
Maternal prenatal anxiety is an important risk factor for altered child neurodevelopment but there is uncertainty concerning the biological mechanisms involved and sources of individual differences in children's responses. We sought to determine the role of functional genetic variation in COMT, which encodes catechol-O-methyltransferase, in the association between maternal prenatal anxiety and child symptoms of ADHD and working memory. We used the prospectively-designed ALSPAC cohort (n = 6,969) for our primary data analyses followed by replication analyses in the PREDO cohort (n = 425)...
2017: PloS One
https://www.readbyqxmd.com/read/28613276/genetic-loci-associated-with-heart-rate-variability-and-their-effects-on-cardiac-disease-risk
#20
Ilja M Nolte, M Loretto Munoz, Vinicius Tragante, Azmeraw T Amare, Rick Jansen, Ahmad Vaez, Benedikt von der Heyde, Christy L Avery, Joshua C Bis, Bram Dierckx, Jenny van Dongen, Stephanie M Gogarten, Philippe Goyette, Jussi Hernesniemi, Ville Huikari, Shih-Jen Hwang, Deepali Jaju, Kathleen F Kerr, Alexander Kluttig, Bouwe P Krijthe, Jitender Kumar, Sander W van der Laan, Leo-Pekka Lyytikäinen, Adam X Maihofer, Arpi Minassian, Peter J van der Most, Martina Müller-Nurasyid, Michel Nivard, Erika Salvi, James D Stewart, Julian F Thayer, Niek Verweij, Andrew Wong, Delilah Zabaneh, Mohammad H Zafarmand, Abdel Abdellaoui, Sulayma Albarwani, Christine Albert, Alvaro Alonso, Foram Ashar, Juha Auvinen, Tomas Axelsson, Dewleen G Baker, Paul I W de Bakker, Matteo Barcella, Riad Bayoumi, Rob J Bieringa, Dorret Boomsma, Gabrielle Boucher, Annie R Britton, Ingrid Christophersen, Andrea Dietrich, George B Ehret, Patrick T Ellinor, Markku Eskola, Janine F Felix, John S Floras, Oscar H Franco, Peter Friberg, Maaike G J Gademan, Mark A Geyer, Vilmantas Giedraitis, Catharina A Hartman, Daiane Hemerich, Albert Hofman, Jouke-Jan Hottenga, Heikki Huikuri, Nina Hutri-Kähönen, Xavier Jouven, Juhani Junttila, Markus Juonala, Antti M Kiviniemi, Jan A Kors, Meena Kumari, Tatiana Kuznetsova, Cathy C Laurie, Joop D Lefrandt, Yong Li, Yun Li, Duanping Liao, Marian C Limacher, Henry J Lin, Cecilia M Lindgren, Steven A Lubitz, Anubha Mahajan, Barbara McKnight, Henriette Meyer Zu Schwabedissen, Yuri Milaneschi, Nina Mononen, Andrew P Morris, Mike A Nalls, Gerjan Navis, Melanie Neijts, Kjell Nikus, Kari E North, Daniel T O'Connor, Johan Ormel, Siegfried Perz, Annette Peters, Bruce M Psaty, Olli T Raitakari, Victoria B Risbrough, Moritz F Sinner, David Siscovick, Johannes H Smit, Nicholas L Smith, Elsayed Z Soliman, Nona Sotoodehnia, Jan A Staessen, Phyllis K Stein, Adrienne M Stilp, Katarzyna Stolarz-Skrzypek, Konstantin Strauch, Johan Sundström, Cees A Swenne, Ann-Christine Syvänen, Jean-Claude Tardif, Kent D Taylor, Alexander Teumer, Timothy A Thornton, Lesley E Tinker, André G Uitterlinden, Jessica van Setten, Andreas Voss, Melanie Waldenberger, Kirk C Wilhelmsen, Gonneke Willemsen, Quenna Wong, Zhu-Ming Zhang, Alan B Zonderman, Daniele Cusi, Michele K Evans, Halina K Greiser, Pim van der Harst, Mohammad Hassan, Erik Ingelsson, Marjo-Riitta Järvelin, Stefan Kääb, Mika Kähönen, Mika Kivimaki, Charles Kooperberg, Diana Kuh, Terho Lehtimäki, Lars Lind, Caroline M Nievergelt, Chris J O'Donnell, Albertine J Oldehinkel, Brenda Penninx, Alexander P Reiner, Harriëtte Riese, Arie M van Roon, John D Rioux, Jerome I Rotter, Tamar Sofer, Bruno H Stricker, Henning Tiemeier, Tanja G M Vrijkotte, Folkert W Asselbergs, Bianca J J M Brundel, Susan R Heckbert, Eric A Whitsel, Marcel den Hoed, Harold Snieder, Eco J C de Geus
Reduced cardiac vagal control reflected in low heart rate variability (HRV) is associated with greater risks for cardiac morbidity and mortality. In two-stage meta-analyses of genome-wide association studies for three HRV traits in up to 53,174 individuals of European ancestry, we detect 17 genome-wide significant SNPs in eight loci. HRV SNPs tag non-synonymous SNPs (in NDUFA11 and KIAA1755), expression quantitative trait loci (eQTLs) (influencing GNG11, RGS6 and NEO1), or are located in genes preferentially expressed in the sinoatrial node (GNG11, RGS6 and HCN4)...
June 14, 2017: Nature Communications
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