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https://www.readbyqxmd.com/read/28431184/congener-specific-disposition-of-chiral-polychlorinated-biphenyls-in-lactating-mice-and-their-offspring-implications-for-pcb-developmental-neurotoxicity
#1
Izabela Kania-Korwel, Tracy Lukasiewicz, Christopher D Barnhart, Marianna Stamou, Haeun Chung, Kevin M Kelly, Stelvio Bandiera, Pamela J Lein, Hans-Joachim Lehmler
Chiral polychlorinated biphenyl (PCB) congeners have been implicated by laboratory and epidemiological studies in PCB developmental neurotoxicity. These congeners are metabolized by cytochrome P450 (P450) enzymes to potentially neurotoxic hydroxylated metabolites (OH-PCBs). The present study explores the enantioselective disposition and toxicity of two environmentally relevant, neurotoxic PCB congeners and their OH-PCB metabolites in lactating mice and their offspring following dietary exposure of the dam. Female C57BL/6N mice (8 weeks old) were fed daily, beginning two weeks prior to conception and continuing throughout gestation and lactation, with 3...
April 14, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28430856/a-comprehensive-analysis-of-rare-genetic-variation-in-amyotrophic-lateral-sclerosis-in-the-uk
#2
Sarah Morgan, Aleksey Shatunov, William Sproviero, Ashley R Jones, Maryam Shoai, Deborah Hughes, Ahmad Al Khleifat, Andrea Malaspina, Karen E Morrison, Pamela J Shaw, Christopher E Shaw, Katie Sidle, Richard W Orrell, Pietro Fratta, John Hardy, Alan Pittman, Ammar Al-Chalabi
Amyotrophic lateral sclerosis is a progressive neurodegenerative disease of motor neurons. About 25 genes have been verified as relevant to the disease process, with rare and common variation implicated. We used next generation sequencing and repeat sizing to comprehensively assay genetic variation in a panel of known amyotrophic lateral sclerosis genes in 1126 patient samples and 613 controls. About 10% of patients were predicted to carry a pathological expansion of the C9orf72 gene. We found an increased burden of rare variants in patients within the untranslated regions of known disease-causing genes, driven by SOD1, TARDBP, FUS, VCP, OPTN and UBQLN2...
April 18, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28430773/is-dexamethasone-as-effective-as-other-corticosteroids-for-acute-asthma-exacerbation-in-children
#3
Gonzalo A Bravo-Soto, Constanza Harismendy, Pamela Rojas, Rodrigo Silva, Pamela von Borries
Dexamethasone has been proposed as an alternative in the treatment of acute asthma exacerbation in children. It allows shortening the duration of treatment, reducing costs and adverse effects. However, it is not clear whether its efficacy is similar to the traditional steroid regimen. To answer this question, we searched in Epistemonikos database, which is maintained by screening multiple information sources. We identified six systematic reviews including 10 randomized trials. We extracted data, conducted a meta-analysis and generated a summary of findings table using the GRADE approach...
April 18, 2017: Medwave
https://www.readbyqxmd.com/read/28429290/association-of-long-term-patterns-of-depressive-symptoms-and-attention-executive-function-among-older-men-with-and-without-human-immunodeficiency-virus
#4
Nicole M Armstrong, Pamela J Surkan, Glenn J Treisman, Ned C Sacktor, Michael R Irwin, Linda A Teplin, Ron Stall, Eileen M Martin, James T Becker, Cynthia Munro, Andrew J Levine, Lisa P Jacobson, Alison G Abraham
Older HIV-infected men are at higher risk for both depression and cognitive impairments, compared to HIV-uninfected men. We evaluated the association between longitudinal patterns of depressive symptoms and attention/executive function in HIV-infected and HIV-uninfected men aged 50+ years to understand whether HIV infection influenced the long-term effect of depression on attention/executive function. Responses to the Center for Epidemiologic Studies-Depression scale and attention/executive function tests (Trail Making Test Part B and Symbol Digit Modalities Test) were collected semiannually from May 1986 to April 2015 in 1611 men...
April 20, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28427908/transforming-the-health-care-experience-doctors-nurses-patients-and-beyond
#5
Trina Spear, Karen M Horton, Elliot K Fishman, Pamela T Johnson
No abstract text is available yet for this article.
April 17, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28427598/computed-tomography-based-oversizing-degrees-and-incidence-of-paravalvular-regurgitation-of-a-new-generation-transcatheter-heart-valve
#6
Philipp Blanke, Philippe Pibarot, Rebecca Hahn, Neil Weissman, Susheel Kodali, Vinod Thourani, Rupa Parvataneni, Danny Dvir, Christopher Naoum, Bjarne L Nørgaard, Pamela Douglas, Wael Jaber, Omar K Khalique, Hasan Jilaihawi, Michael Mack, Craig Smith, Martin Leon, John Webb, Jonathon Leipsic
OBJECTIVES: The aim of the study was to investigate the influence of the extent of computed tomography (CT)-based area and perimeter oversizing on the incidence and severity of paravalvular aortic regurgitation (PAR) for the Edwards SAPIEN 3 (Edwards Lifesciences, Irvine, California) device, using CT data and echocardiographic outcome data of the PARTNER II (Placement of AoRTic TraNscathetER Valves Trial II) SAPIEN 3 intermediate-risk cohort. BACKGROUND: Transcatheter heart valve (THV) sizing algorithms are device specific, requiring refinements for new valve designs...
April 24, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28427412/lack-of-interleukin-13-receptor-%C3%AE-1-delays-the-loss-of-dopaminergic-neurons-during-chronic-stress
#7
Simone Mori, Shuei Sugama, William Nguyen, Tatiana Michel, M Germana Sanna, Manuel Sanchez-Alavez, Rigo Cintron-Colon, Gianluca Moroncini, Yoshihiko Kakinuma, Pamela Maher, Bruno Conti
BACKGROUND: The majority of Parkinson's disease (PD) cases are sporadic and idiopathic suggesting that this neurodegenerative disorder is the result of both environmental and genetic factors. Stress and neuroinflammation are among the factors being investigated for their possible contributions to PD. Experiments in rodents showed that severe chronic stress can reduce the number of dopaminergic neurons in the substantia nigra pars compacta (SNc); the same cells that are lost in PD. These actions are at least in part mediated by increased oxidative stress...
April 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28427145/uncoupling-genotoxic-stress-responses-from-circadian-control-increases-susceptibility-to-mammary-carcinogenesis
#8
Mingzhu Fang, Pamela A Ohman Strickland, Hwan-Goo Kang, Helmut Zarbl
We previously demonstrated that chemopreventive methylselenocysteine (MSC) prevents N-Nitroso-N-methylurea (NMU)-induced mammary carcinogenesis in the susceptible Fischer 344 (F344) rats by enhancing NAD+-dependent SIRT1 activity, restoring circadian expression of Period 2 (Per2) and circadian controlled genes. Here, we show that compared to the genetically resistant Copenhagen (COP) rat strain, mammary glands of the F344 rats have a 4-hour phase delay in circadian expression of Per2. Consequently, F344 rats failed to increase SIRT1 activity and circadian expression of Per2 and DDRR genes after exposure to NMU...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426890/fine-mapping-of-lipid-regions-in-global-populations-discovers-ethnic-specific-signals-and-refines-previously-identified-lipid-loci
#9
Niha Zubair, Mariaelisa Graff, Jose Luis Ambite, William S Bush, Gleb Kichaev, Yingchang Lu, Ani Manichaikul, Wayne H-H Sheu, Devin Absher, Themistocles L Assimes, Suzette J Bielinski, Erwin P Bottinger, Petra Buzkova, Lee-Ming Chuang, Ren-Hua Chung, Barbara Cochran, Logan Dumitrescu, Omri Gottesman, Jeffrey W Haessler, Christopher Haiman, Gerardo Heiss, Chao A Hsiung, Yi-Jen Hung, Chii-Min Hwu, Jyh-Ming J Juang, Loic Le Marchand, I-Te Lee, Wen-Jane Lee, Li-An Lin, Danyu Lin, Shih-Yi Lin, Rachel H Mackey, Lisa W Martin, Bogdan Pasaniuc, Ulrike Peters, Irene Predazzi, Thomas Quertermous, Alex P Reiner, Jennifer Robinson, Jerome I Rotter, Kelli K Ryckman, Pamela J Schreiner, Eli Stahl, Ran Tao, Michael Y Tsai, Lindsay L Waite, Tzung-Dau Wang, Steven Buyske, Yii-Der Ida Chen, Iona Cheng, Dana C Crawford, Ruth J F Loos, Stephen S Rich, Myriam Fornage, Kari E North, Charles Kooperberg, Cara L Carty
Genome-wide association studies have identified over 150 loci associated with lipid traits, however, no large-scale studies exist for Hispanics and other minority populations. Additionally, the genetic architecture of lipid-influencing loci remains largely unknown. We performed one of the most racially/ethnically diverse fine-mapping genetic studies of HDL-C, LDL-C, and triglycerides to-date using SNPs on the MetaboChip array on 54,119 individuals: 21,304 African Americans, 19,829 Hispanic Americans, 12,456 Asians, and 530 American Indians...
December 15, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/28426845/her2-specific-chimeric-antigen-receptor-modified-virus-specific-t-cells-for-progressive-glioblastoma-a-phase-1-dose-escalation-trial
#10
Nabil Ahmed, Vita Brawley, Meenakshi Hegde, Kevin Bielamowicz, Mamta Kalra, Daniel Landi, Catherine Robertson, Tara L Gray, Oumar Diouf, Amanda Wakefield, Alexia Ghazi, Claudia Gerken, Zhongzhen Yi, Aidin Ashoori, Meng-Fen Wu, Hao Liu, Cliona Rooney, Gianpietro Dotti, Adrian Gee, Jack Su, Yvonne Kew, David Baskin, Yi Jonathan Zhang, Pamela New, Bambi Grilley, Milica Stojakovic, John Hicks, Suzanne Z Powell, Malcolm K Brenner, Helen E Heslop, Robert Grossman, Winfried S Wels, Stephen Gottschalk
Importance: Glioblastoma is an incurable tumor, and the therapeutic options for patients are limited. Objective: To determine whether the systemic administration of HER2-specific chimeric antigen receptor (CAR)-modified virus-specific T cells (VSTs) is safe and whether these cells have antiglioblastoma activity. Design, Setting, and Participants: In this open-label phase 1 dose-escalation study conducted at Baylor College of Medicine, Houston Methodist Hospital, and Texas Children's Hospital, patients with progressive HER2-positive glioblastoma were enrolled between July 25, 2011, and April 21, 2014...
April 20, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28426814/progress-and-projections-in-the-program-to-eliminate-trachoma
#11
Paul M Emerson, Pamela J Hooper, Virginia Sarah
No abstract text is available yet for this article.
April 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28426303/measures-of-local-segregation-for-monitoring-health-inequities-by-local-health-departments
#12
Nancy Krieger, Pamela D Waterman, Neelesh Batra, Johnna S Murphy, Daniel P Dooley, Snehal N Shah
OBJECTIVES: To assess the use of local measures of segregation for monitoring health inequities by local health departments. METHODS: We analyzed preterm birth and premature mortality (death before the age of 65 years) rates for Boston, Massachusetts, for 2010 to 2012, using the Index of Concentration at the Extremes (ICE) and the poverty rate at both the census tract and neighborhood level. RESULTS: For premature mortality at the census tract level, the rate ratios comparing the worst-off and best-off terciles were 1...
April 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28425503/nerve-degeneration-and-regeneration-in-the-cephalopod-mollusc-octopus-vulgaris-the-case-of-the-pallial-nerve
#13
Pamela Imperadore, Sameer B Shah, Helen P Makarenkova, Graziano Fiorito
Regeneration is a process that restores structure and function of tissues damaged by injury or disease. In mammals complete regeneration is often unsuccessful, while most of the low phyla animals can re-grow many parts of their body after amputation. Cephalopod molluscs, and in particular Octopus vulgaris, are well known for their capacity to regenerate their arms and other body parts, including central and peripheral nervous system. To better understand the mechanism of recovery following nerve injury in this species we investigated the process of axon regrowth and nerve regeneration after complete transection of the Octopus pallial nerves...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28425023/challenges-and-opportunities-in-global-mental-health-a-research-to-practice-perspective
#14
REVIEW
Milton L Wainberg, Pamela Scorza, James M Shultz, Liat Helpman, Jennifer J Mootz, Karen A Johnson, Yuval Neria, Jean-Marie E Bradford, Maria A Oquendo, Melissa R Arbuckle
PURPOSE OF REVIEW: Globally, the majority of those who need mental health care worldwide lack access to high-quality mental health services. Stigma, human resource shortages, fragmented service delivery models, and lack of research capacity for implementation and policy change contribute to the current mental health treatment gap. In this review, we describe how health systems in low- and middle-income countries (LMICs) are addressing the mental health gap and further identify challenges and priority areas for future research...
May 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28424745/distinguishing-the-unique-neuropathological-profile-of-blast-polytrauma
#15
W Brad Hubbard, Shaylen Greenberg, Carly Norris, Joseph Eck, Erin Lavik, Pamela VandeVord
Traumatic brain injury sustained after blast exposure (blast-induced TBI) has recently been documented as a growing issue for military personnel. Incidence of injury to organs such as the lungs has decreased, though current epidemiology still causes a great public health burden. In addition, unprotected civilians sustain primary blast lung injury (PBLI) at alarming rates. Often, mild-to-moderate cases of PBLI are survivable with medical intervention, which creates a growing population of survivors of blast-induced polytrauma (BPT) with symptoms from blast-induced mild TBI (mTBI)...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28424717/expression-of-the-maize-dof1-transcription-factor-in-wheat-and-sorghum
#16
Pamela A Peña, Truyen Quach, Shirley Sato, Zhengxiang Ge, Natalya Nersesian, Taity Changa, Ismail Dweikat, Madhavan Soundararajan, Tom E Clemente
Nitrogen is essential for plant growth and development. Improving the ability of plants to acquire and assimilate nitrogen more efficiently is a key agronomic parameter that will augment sustainability in agriculture. A transcription factor approach was pursued to address improvement of nitrogen use efficiency in two major commodity crops. To this end, the Zea mays Dof1 (ZmDof1) transcription factor was expressed in both wheat (Triticum aestivum) and sorghum (Sorghum bicolor) either constitutively, UBI4 promoter from sugarcane, or in a tissue specific fashion via the maize rbcS1 promoter...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28424709/evolutionary-analysis-of-snf1-related-protein-kinase2-snrk2-and-calcium-sensor-scs-gene-lineages-and-dimerization-of-rice-homologs-suggest-deep-biochemical-conservation-across-angiosperms
#17
Lynn D Holappa, Pamela C Ronald, Elena M Kramer
Members of the sucrose non-fermenting related kinase Group2 (SnRK2) subclasses are implicated in both direct and indirect abscisic acid (ABA) response pathways. We have used phylogenetic, biochemical, and transient in vivo approaches to examine interactions between Triticum tauschii protein kinase 1 (TtPK1) and an interacting protein, Oryza sativa SnRK2-calcium sensor (OsSCS1). Given that TtPK1 has 100% identity with its rice ortholog, osmotic stress/ABA-activated protein kinase (OsSAPK2), we hypothesized that the SCS and TtPK1 interactions are present in both wheat and rice...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28424618/pharmacological-and-biochemical-characterization-of-tlqp-21-activation-of-a-binding-site-on-cho-cells
#18
Laura Molteni, Laura Rizzi, Elena Bresciani, Roberta Possenti, Pamela Petrocchi Passeri, Corrado Ghè, Giampiero Muccioli, Jean-Alain Fehrentz, Pascal Verdié, Jean Martinez, Robert J Omeljaniuk, Giuseppe Biagini, Anna Binda, Ilaria Rivolta, Vittorio Locatelli, Antonio Torsello
VGF is a propeptide of 617 amino acids expressed throughout the central and the peripheral nervous system. VGF and peptides derived from its processing have been found in dense core vesicles and are released from neuronal and neuroendocrine cells via the regulated secretory pathway. Among VGF-derived neuropeptides, TLQP-21 (VGF(556-576)) has raised a huge interest and is one of most studied. TLQP-21 is a multifunctional neuropeptide involved in the control of several physiological functions, potentially including energy homeostasis, pain modulation, stress responsiveness and reproduction...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28424577/investigation-of-endocytic-pathways-for-the-internalization-of-exosome-associated-oligomeric-alpha-synuclein
#19
Marion Delenclos, Teodora Trendafilova, Divya Mahesh, Ann M Baine, Simon Moussaud, Irene K Yan, Tushar Patel, Pamela J McLean
Misfolding and aggregation of alpha-synuclein (αsyn) resulting in cytotoxicity is a hallmark of Parkinson's disease (PD) and related synucleinopathies. The recent body of evidence indicates that αsyn can be released from neuronal cells by nonconventional exocytosis involving extracellular vesicles (EVs) such as exosomes. The transfer of αsyn between cells has been proposed to be an important mechanism of disease propagation in PD. To date, exosome trafficking mechanisms, including release and cell-cell transmission, have not been fully described...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28424192/sodium-sugar-and-fat-content-of-complementary-infant-and-toddler-foods-sold-in-the-united-states-2015
#20
Joyce Maalouf, Mary E Cogswell, Marlana Bates, Keming Yuan, Kelley S Scanlon, Pamela Pehrsson, Janelle P Gunn, Robert K Merritt
Background: As part of a healthy diet, limiting intakes of excess sodium, added sugars, saturated fat, and trans fat has been recommended. The American Heart Association recommends that children aged <2 y should avoid added sugars.Objective: We sought to determine commercial complementary infant-toddler food categories that were of potential concern because of the sodium, added sugar, saturated fat, or trans fat content.Design: Nutrition label information (e.g., serving size, sodium, saturated fat, trans fat) for 1032 infant and toddler foods was collected from manufacturers' websites and stores from May to July 2015 for 24 brands, which accounted for >95% of infant-toddler food sales...
April 19, 2017: American Journal of Clinical Nutrition
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