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https://www.readbyqxmd.com/read/28340361/hdl-inhibits-saturated-fatty-acid-mediated-augmentation-of-innate-immune-responses-in-endothelial-cells-by-a-novel-pathway
#1
Wei-Yang Zhang, Daniel A Franco, Eric Schwartz, Karen D'Souza, Sheetal Karnick, Peter D Reaven
BACKGROUND AND AIMS: Peripheral insulin resistance is associated with several metabolic abnormalities, including elevated serum fatty acids that contribute to vascular injury and atherogenesis. Our goals were to examine whether saturated fatty acids can modify innate immune responses to subclinical concentrations of lipopolysaccharide (LPS) in endothelial cells, and to explore the underlying pathway and determine whether it is modified by high density lipoprotein (HDL) and other factors commonly altered in insulin resistance...
September 8, 2016: Atherosclerosis
https://www.readbyqxmd.com/read/28329274/trichinella-nativa-outbreak-with-rare-thrombotic-complications-associated-with-meat-from-a-black-bear-hunted-in-northern-ontario
#2
Daniel Dalcin, Dante S Zarlenga, Nicholas C Larter, Eric Hoberg, Daniel A Boucher, Samuel Merrifield, Rachel Lau, Filip Ralevski, Karamjit Cheema, Kevin L Schwartz, Andrea K Boggild
Background: Although trichinellosis is known to cause thrombotic disease, serious thrombotic events are rare and have not been previously associated with Trichinella nativa infection. Methods: Patient interviews and medical chart reviews were conducted on 10 men who became ill following consumption of a common source of black bear meat. Trichinella serology on patient sera as well as PCR and larval identification of the meat samples was conducted. Results: All 10 exposed individuals developed an acute illness clinically compatible with trichinellosis, characterized by fever, abdominal pain, and diarrhea, along with eosinophilia ranging from 0...
February 22, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28297712/cd32a-is-a-marker-of-a-cd4-t-cell-hiv-reservoir-harbouring-replication-competent-proviruses
#3
Benjamin Descours, Gaël Petitjean, José-Luis López-Zaragoza, Timothée Bruel, Raoul Raffel, Christina Psomas, Jacques Reynes, Christine Lacabaratz, Yves Levy, Olivier Schwartz, Jean Daniel Lelievre, Monsef Benkirane
The persistence of the HIV reservoir in infected individuals is a major obstacle to the development of a cure for HIV. Here, using an in vitro model of HIV-infected quiescent CD4 T cells, we reveal a gene expression signature of 103 upregulated genes that are specific for latently infected cells, including genes for 16 transmembrane proteins. In vitro screening for surface expression in HIV-infected quiescent CD4 T cells shows that the low-affinity receptor for the immunoglobulin G Fc fragment, CD32a, is the most highly induced, with no detectable expression in bystander cells...
March 15, 2017: Nature
https://www.readbyqxmd.com/read/28274620/partial-nephrectomy-is-associated-with-higher-risk-of-relapse-compared-with-radical-nephrectomy-for-clinical-stage-t1-renal-cell-carcinoma-pathologically-upstaged-to-t3a
#4
Paras H Shah, Daniel M Moreira, Vinay R Patel, Geoffrey Gaunay, Arvin K George, Manaf Alom, Zachary Kozel, Oksana Yaskiv, Simon J Hall, Michael J Schwartz, Manish A Vira, Lee Richstone, Louis R Kavoussi
PURPOSE: We aimed to study recurrence-free survival after partial versus radical nephrectomy for clinical stage T1 renal cell carcinoma among all comers and those upstaged to pathologic stage T3a. MATERIALS AND METHODS: A retrospective review of 1250 patients undergoing partial nephrectomy or radical nephrectomy for clinically localized T1 renal cell carcinoma between 2006 and 2014 was performed. Recurrence-free survival was estimated using the Kaplan-Meier method and evaluated as a function of nephrectomy type with log-rank test and Cox models adjusting for clinical, radiological, and pathological characteristics...
March 5, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28265883/erratum-to-use-of-compressive-osseointegration-endoprostheses-for-massive-bone-loss-from-tumor-and-failed-arthroplasty-a-viable-option-in-the-upper-extremity
#5
Krista A Goulding, Adam Schwartz, Steven J Hattrup, R Lor Randall, Donald Lee, Damian M Rispoli, Daniel M Lerman, Christopher Beauchamp
No abstract text is available yet for this article.
March 6, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28254862/advances-in-the-classification-and-treatment-of-mastocytosis-current-status-and-outlook-toward-the-future
#6
REVIEW
Peter Valent, Cem Akin, Karin Hartmann, Gunnar Nilsson, Andreas Reiter, Olivier Hermine, Karl Sotlar, Wolfgang R Sperr, Luis Escribano, Tracy I George, Hanneke C Kluin-Nelemans, Celalettin Ustun, Massimo Triggiani, Knut Brockow, Jason Gotlib, Alberto Orfao, Lawrence B Schwartz, Sigurd Broesby-Olsen, Carsten Bindslev-Jensen, Petri T Kovanen, Stephen J Galli, K Frank Austen, Daniel A Arber, Hans-Peter Horny, Michel Arock, Dean D Metcalfe
Mastocytosis is a term used to denote a heterogeneous group of conditions defined by the expansion and accumulation of clonal (neoplastic) tissue mast cells in various organs. The classification of the World Health Organization (WHO) divides the disease into cutaneous mastocytosis, systemic mastocytosis, and localized mast cell tumors. On the basis of histomorphologic criteria, clinical parameters, and organ involvement, systemic mastocytosis is further divided into indolent systemic mastocytosis and advanced systemic mastocytosis variants, including aggressive systemic mastocytosis and mast cell leukemia...
March 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28251167/myocardial-bridge-and-acute-plaque-rupture
#7
Leor Perl, David Daniels, Jonathan Schwartz, Shige Tanaka, Alan Yeung, Jennifer A Tremmel, Ingela Schnittger
A myocardial bridge (MB) is a common anatomic variant, most frequently located in the left anterior descending coronary artery, where a portion of the coronary artery is covered by myocardium. Importantly, MBs are known to result in a proximal atherosclerotic lesion. It has recently been postulated that these lesions predispose patients to acute coronary events, even in cases of otherwise low-risk patients. One such mechanism may involve acute plaque rupture. In this article, we report 2 cases of patients with MBs who presented with acute coronary syndromes despite having low cardiovascular risk...
October 2016: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28246237/cardiac-outcomes-after-ischemic-stroke-or-tia-effects-of-pioglitazone-in-patients-with-insulin-resistance-without-diabetes
#8
Lawrence H Young, Catherine M Viscoli, Jeptha P Curtis, Silvio E Inzucchi, Gregory G Schwartz, Anne M Lovejoy, Karen L Furie, Mark J Gorman, Robin A Conwit, J Dawn Abbott, Daniel L Jacoby, Daniel M Kolansky, Steven E Pfau, Frederick S Ling, Walter N Kernan
Background -Insulin resistance is highly prevalent among patients with atherosclerosis and is associated with an increased risk for myocardial infarction (MI) and stroke. The Insulin Resistance Intervention after Stroke (IRIS) trial demonstrated that pioglitazone decreased the composite risk for fatal or non-fatal stroke and MI in patients with insulin resistance without diabetes, after a recent ischemic stroke or transient ischemic attack. The type and severity of cardiac events in this population, and the impact of pioglitazone on these events has not been described...
February 28, 2017: Circulation
https://www.readbyqxmd.com/read/28241208/association-between-telomere-length-and-risk-of-cancer-and-non-neoplastic-diseases-a-mendelian-randomization-study
#9
Philip C Haycock, Stephen Burgess, Aayah Nounu, Jie Zheng, George N Okoli, Jack Bowden, Kaitlin Hazel Wade, Nicholas J Timpson, David M Evans, Peter Willeit, Abraham Aviv, Tom R Gaunt, Gibran Hemani, Massimo Mangino, Hayley Patricia Ellis, Kathreena M Kurian, Karen A Pooley, Rosalind A Eeles, Jeffrey E Lee, Shenying Fang, Wei V Chen, Matthew H Law, Lisa M Bowdler, Mark M Iles, Qiong Yang, Bradford B Worrall, Hugh Stephen Markus, Rayjean J Hung, Chris I Amos, Amanda B Spurdle, Deborah J Thompson, Tracy A O'Mara, Brian Wolpin, Laufey Amundadottir, Rachael Stolzenberg-Solomon, Antonia Trichopoulou, N Charlotte Onland-Moret, Eiliv Lund, Eric J Duell, Federico Canzian, Gianluca Severi, Kim Overvad, Marc J Gunter, Rosario Tumino, Ulrika Svenson, Andre van Rij, Annette F Baas, Matthew J Bown, Nilesh J Samani, Femke N G van t'Hof, Gerard Tromp, Gregory T Jones, Helena Kuivaniemi, James R Elmore, Mattias Johansson, James Mckay, Ghislaine Scelo, Robert Carreras-Torres, Valerie Gaborieau, Paul Brennan, Paige M Bracci, Rachel E Neale, Sara H Olson, Steven Gallinger, Donghui Li, Gloria M Petersen, Harvey A Risch, Alison P Klein, Jiali Han, Christian C Abnet, Neal D Freedman, Philip R Taylor, John M Maris, Katja K Aben, Lambertus A Kiemeney, Sita H Vermeulen, John K Wiencke, Kyle M Walsh, Margaret Wrensch, Terri Rice, Clare Turnbull, Kevin Litchfield, Lavinia Paternoster, Marie Standl, Gonçalo R Abecasis, John Paul SanGiovanni, Yong Li, Vladan Mijatovic, Yadav Sapkota, Siew-Kee Low, Krina T Zondervan, Grant W Montgomery, Dale R Nyholt, David A van Heel, Karen Hunt, Dan E Arking, Foram N Ashar, Nona Sotoodehnia, Daniel Woo, Jonathan Rosand, Mary E Comeau, W Mark Brown, Edwin K Silverman, John E Hokanson, Michael H Cho, Jennie Hui, Manuel A Ferreira, Philip J Thompson, Alanna C Morrison, Janine F Felix, Nicholas L Smith, Angela M Christiano, Lynn Petukhova, Regina C Betz, Xing Fan, Xuejun Zhang, Caihong Zhu, Carl D Langefeld, Susan D Thompson, Feijie Wang, Xu Lin, David A Schwartz, Tasha Fingerlin, Jerome I Rotter, Mary Frances Cotch, Richard A Jensen, Matthias Munz, Henrik Dommisch, Arne S Schaefer, Fang Han, Hanna M Ollila, Ryan P Hillary, Omar Albagha, Stuart H Ralston, Chenjie Zeng, Wei Zheng, Xiao-Ou Shu, Andre Reis, Steffen Uebe, Ulrike Hüffmeier, Yoshiya Kawamura, Takeshi Otowa, Tsukasa Sasaki, Martin Lloyd Hibberd, Sonia Davila, Gang Xie, Katherine Siminovitch, Jin-Xin Bei, Yi-Xin Zeng, Asta Försti, Bowang Chen, Stefano Landi, Andre Franke, Annegret Fischer, David Ellinghaus, Carlos Flores, Imre Noth, Shwu-Fan Ma, Jia Nee Foo, Jianjun Liu, Jong-Won Kim, David G Cox, Olivier Delattre, Olivier Mirabeau, Christine F Skibola, Clara S Tang, Merce Garcia-Barcelo, Kai-Ping Chang, Wen-Hui Su, Yu-Sun Chang, Nicholas G Martin, Scott Gordon, Tracey D Wade, Chaeyoung Lee, Michiaki Kubo, Pei-Chieng Cha, Yusuke Nakamura, Daniel Levy, Masayuki Kimura, Shih-Jen Hwang, Steven Hunt, Tim Spector, Nicole Soranzo, Ani W Manichaikul, R Graham Barr, Bratati Kahali, Elizabeth Speliotes, Laura M Yerges-Armstrong, Ching-Yu Cheng, Jost B Jonas, Tien Yin Wong, Isabella Fogh, Kuang Lin, John F Powell, Kenneth Rice, Caroline L Relton, Richard M Martin, George Davey Smith
Importance: The causal direction and magnitude of the association between telomere length and incidence of cancer and non-neoplastic diseases is uncertain owing to the susceptibility of observational studies to confounding and reverse causation. Objective: To conduct a Mendelian randomization study, using germline genetic variants as instrumental variables, to appraise the causal relevance of telomere length for risk of cancer and non-neoplastic diseases. Data Sources: Genomewide association studies (GWAS) published up to January 15, 2015...
February 23, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28225462/validity-evidence-from-ratings-of-pediatric-interns-and-subinterns-on-a-subset-of-pediatric-milestones
#10
Teri L Turner, Vasudha L Bhavaraju, Ulana A Luciw-Dubas, Patricia J Hicks, Sara Multerer, Amanda Osta, Jennifer McDonnell, Sue Poynter, Daniel J Schumacher, Rebecca Tenney-Soeiro, Linda Waggoner-Fountain, Alan Schwartz
PURPOSE: To investigate evidence for validity of faculty members' pediatric milestone (PM) ratings of interns (first-year residents) and subinterns (fourth-year medical students) on nine subcompetencies related to readiness to serve as a pediatric intern in the inpatient setting. METHOD: The Association of Pediatric Program Directors Longitudinal Educational Assessment Research Network (APPD LEARN) and the National Board of Medical Examiners collaborated to investigate the utility of assessments of the PMs for trainees' performance...
February 21, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28209069/patterns-of-care-and-survival-outcomes-of-palliative-radiation-for-prostate-cancer-with-bone-metastases-comparison-of-%C3%A2-5-fractions-to-%C3%A2-10-fractions
#11
David Schreiber, Joseph Safdieh, Daniel J Becker, David Schwartz
BACKGROUND: To review the palliative radiation fractionation regimens, trends and survival of men within the National Cancer Database (NCDB) diagnosed with prostate cancer and bony metastases. METHODS: A total of 3,871 patients from the NCDB were included in the analysis (patients treated from 2004-2012). The following fractionation regimens were analyzed [8 Gy × 1, 4 Gy × 5 (short course radiation therapy)], were compared to 3 Gy × 10, 2.50 Gy × 14-15 and 2 Gy × 20-30 (long course radiation therapy)...
January 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/28206778/personal-and-cultural-identity-development-in-recently-immigrated-hispanic-adolescents-links-with-psychosocial-functioning
#12
Alan Meca, Raha F Sabet, Colleen M Farrelly, Cynthia G Benitez, Seth J Schwartz, Melinda Gonzales-Backen, Elma I Lorenzo-Blanco, Jennifer B Unger, Byron L Zamboanga, Lourdes Baezconde-Garbanati, Simona Picariello, Sabrina E Des Rosiers, Daniel W Soto, Monica Pattarroyo, Juan A Villamar, Karina M Lizzi
OBJECTIVES: This study examined directionality between personal (i.e., coherence and confusion) and cultural identity (i.e., ethnic and U.S.) as well as their additive effects on psychosocial functioning in a sample of recently immigrated Hispanic adolescents. METHOD: The sample consisted of 302 recent (<5 years) immigrant Hispanic adolescents (53% boys; Mage = 14.51 years at baseline; SD = .88 years) from Miami and Los Angeles who participated in a longitudinal study...
February 16, 2017: Cultural Diversity & Ethnic Minority Psychology
https://www.readbyqxmd.com/read/28196601/cholinergic-signals-from-the-cns-regulate-g-csf-mediated-hsc-mobilization-from-bone-marrow-via-a-glucocorticoid-signaling-relay
#13
Halley Pierce, Dachuan Zhang, Claire Magnon, Daniel Lucas, John R Christin, Matthew Huggins, Gary J Schwartz, Paul S Frenette
Hematopoietic stem cells (HSCs) are mobilized from niches in the bone marrow (BM) to the blood circulation by the cytokine granulocyte colony-stimulating factor (G-CSF) through complex mechanisms. Among these, signals from the sympathetic nervous system regulate HSC egress via its niche, but how the brain communicates with the BM remains largely unknown. Here we show that muscarinic receptor type-1 (Chrm1) signaling in the hypothalamus promotes G-CSF-elicited HSC mobilization via hormonal priming of the hypothalamic-pituitary-adrenal (HPA) axis...
February 4, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28194713/use-of-compressive-osseointegration-endoprostheses-for-massive-bone-loss-from-tumor-and-failed-arthroplasty-a-viable-option-in-the-upper-extremity
#14
Krista A Goulding, Adam Schwartz, Steven J Hattrup, R Lor Randall, Donald Lee, Damian M Rispoli, Daniel M Lerman, Christopher Beauchamp
BACKGROUND: Endoprostheses using principles of compressive osseointegration have shown good survivorship in several studies involving the lower extremity; however, no series to our knowledge have documented the use of this technology in the management of massive bone loss in the upper limb. QUESTIONS/PURPOSES: (1) What proportion of upper extremity implants using compressive osseointegration fixation principles achieved durable short-term fixation, and what were the modes of failure? (2) What surgical complications resulted from reconstruction using this technique? METHODS: A multiinstitutional retrospective review identified nine patients (five women; four men) who underwent 13 endoprosthetic replacements between 2003 and 2014 using compressive osseointegration (Compliant(®) Pre-stress Device [CPS]; Biomet Inc, Warsaw, IN, USA) in the upper extremity, including two proximal humeri, two humeral diaphyses, seven distal humeri, and two proximal ulna...
February 13, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28186535/long-term-risks-of-kidney-living-donation-review-and-position-paper-by-the-era-edta-descartes-working-group
#15
Umberto Maggiore, Klemens Budde, Uwe Heemann, Luuk Hilbrands, Rainer Oberbauer, Gabriel C Oniscu, Julio Pascual, Soren Schwartz Sorensen, Ondrej Viklicky, Daniel Abramowicz
No abstract text is available yet for this article.
February 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28181493/natural-amines-inhibit-activation-of-human-plasmacytoid-dendritic-cells-through-cxcr4-engagement
#16
Nikaïa Smith, Nicolas Pietrancosta, Sophia Davidson, Jacques Dutrieux, Lise Chauveau, Pasquale Cutolo, Michel Dy, Daniel Scott-Algara, Bénédicte Manoury, Onofrio Zirafi, Isabelle McCort-Tranchepain, Thierry Durroux, Françoise Bachelerie, Olivier Schwartz, Jan Münch, Andreas Wack, Sébastien Nisole, Jean-Philippe Herbeuval
Plasmacytoid dendritic cells (pDC) are specialized in secretion of type I interferon in response to pathogens. Here we show that natural monoamines and synthetic amines inhibit pDC activation by RNA viruses. Furthermore, a synthetic analogue of histamine reduces type I interferon production in a mouse model of influenza infection. We identify CXC chemokine receptor 4 (CXCR4) as a receptor used by amines to inhibit pDC. Our study establishes a functional link between natural amines and the innate immune system and identifies CXCR4 as a potential 'on-off' switch of pDC activity with therapeutic potential...
February 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28164012/effect-of-serial-infusions-of-reconstituted-high-density-lipoprotein-cer-001-on-coronary-atherosclerosis-rationale-and-design-of-the-carat-study
#17
Jordan Andrews, Alex Janssan, Tracy Nguyen, Anthony D Pisaniello, Daniel J Scherer, John J P Kastelein, Bela Merkely, Steven E Nissen, Kausik Ray, Gregory G Schwartz, Stephen G Worthley, Connie Keyserling, Jean-Louis Dasseux, Julie Butters, Jacinta Girardi, Rosemary Miller, Stephen J Nicholls
BACKGROUND: High-density lipoprotein (HDL) is believed to have atheroprotective properties, but an effective HDL-based therapy remains elusive. Early studies have suggested that infusion of reconstituted HDL promotes reverse cholesterol transport and vascular reactivity. The CER-001 Atherosclerosis Regression Acute Coronary Syndrome Trial (CARAT) is investigating the impact of infusing an engineered pre-beta HDL mimetic containing sphingomyelin (SM) and dipalmitoyl phosphatidlyglycerol (CER-001) on coronary atheroma volume in patients with a recent acute coronary syndrome (ACS)...
February 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28158429/elucidating-arrhythmogenic-mechanisms-of-long-qt-syndrome-calm1-f142l-mutation-in-patient-specific-induced-pluripotent-stem-cell-derived-cardiomyocytes
#18
Marcella Rocchetti, Luca Sala, Lisa Dreizehnter, Lia Crotti, Daniel Sinnecker, Manuela Mura, Luna Simona Pane, Claudia Altomare, Eleonora Torre, Gaspare Mostacciuolo, Stefano Severi, Alberto Porta, Gaetano M De Ferrari, Alfred L George, Peter J Schwartz, Massimiliano Gnecchi, Alessandra Moretti, Antonio Zaza
No abstract text is available yet for this article.
February 2, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28146567/differential-dna-methylation-regions-in-adult-human-sperm-following-adolescent-chemotherapy-potential-for-epigenetic-inheritance
#19
Margarett Shnorhavorian, Stephen M Schwartz, Barbara Stansfeld, Ingrid Sadler-Riggleman, Daniel Beck, Michael K Skinner
BACKGROUND: The potential that adolescent chemotherapy can impact the epigenetic programming of the germ line to influence later life adult fertility and promote epigenetic inheritance was investigated. Previous studies have demonstrated a number of environmental exposures such as abnormal nutrition and toxicants can promote sperm epigenetic changes that impact offspring. METHODS: Adult males approximately ten years after pubertal exposure to chemotherapy were compared to adult males with no previous exposure...
2017: PloS One
https://www.readbyqxmd.com/read/28122337/prognostic-value-of-the-neutrophil-to-lymphocyte-ratio-in-the-arq-197-215-second-line-study-for-advanced-hepatocellular-carcinoma
#20
Nicola Personeni, Laura Giordano, Giovanni Abbadessa, Camillo Porta, Ivan Borbath, Bruno Daniele, Jean-Luc Van Laethem, Hans Van Vlierberghe, Jörg Trojan, Enrico N De Toni, Antonio Gasbarrini, Monica Lencioni, Maria E Lamar, Yunxia Wang, Dale Shuster, Brian Schwartz, Armando Santoro, Lorenza Rimassa
The ARQ 197-215 study randomized patients to tivantinib or placebo and pre-specified efficacy analyses indicated the predictive value of MET expression as a marker of benefit from tivantinib in hepatocellular carcinoma (HCC). We aimed to explore the neutrophil-to-lymphocyte ratio (NLR) in 98 ARQ 197-215 patients with available absolute neutrophil count and absolute lymphocyte count at baseline. The cut-off value used to define high versus low NLR was 3.0. In univariate analysis, high NLR was associated with hazard ratio (HR) for overall survival (OS) of 1...
January 22, 2017: Oncotarget
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