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https://www.readbyqxmd.com/read/29913536/hemostasis-in-the-very-young
#1
Gili Kenet, Assaf Arie Barg, Ulrike Nowak-Göttl
Hemostasis is a dynamic process that starts in utero. The coagulation system evolves with age, as evidenced by marked physiological differences in the concentration of the majority of hemostatic proteins in early life compared with adulthood. This concept, known as "developmental hemostasis," has important biological and clinical implications. Overall, impaired platelet function, along with physiologically reduced levels of vitamin K-dependent and contact coagulation factors, may cause poorer clot firmness even in healthy neonates...
June 18, 2018: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/29913351/shedding-light-on-the-association-between-repetitive-negative-thinking-and-deficits-in-cognitive-control-a-meta-analysis
#2
REVIEW
Ulrike Zetsche, Paul-Christian Bürkner, Lars Schulze
Individuals who experience recurrent negative thoughts are at elevated risk for mood and anxiety disorders. It is thus essential to understand why some individuals get stuck in recurrent negative thinking (RNT), whereas others are able to disengage eventually. Theoretical models propose that individuals high in recurrent negative thinking suffer from deficits in controlling the contents of working memory. Empirical findings, however, are inconclusive. In this meta-analysis, we synthesize findings from 94 studies to examine the proposed association between RNT and deficits in cognitive control...
June 11, 2018: Clinical Psychology Review
https://www.readbyqxmd.com/read/29913281/most-patients-with-gastroesophageal-reflux-disease-who-failed-proton-pump-inhibitor-therapy-also-have-functional-esophageal-disorders
#3
Jason Abdallah, Nina George, Takahisa Yamasaki, Stephen Ganocy, Ronnie Fass
BACKGROUND & AIMS: As many as 45% of patients with gastroesophageal reflux disease (GERD) still have symptoms after receiving once-daily proton pump inhibitor (PPI) therapy. We aimed to compare reflux characteristics and patterns between responders and non-responders to once-daily PPI therapy using combined impedance-pH monitoring. METHODS: Patients who reported heartburn and/or regurgitation at least twice per week for 3 months while receiving standard-dose PPI therapy were assigned to the PPI failure group (n=16)...
June 15, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29913164/structural-and-visual-functional-deficits-in-a-rat-model-of-neuromyelitis-optica-spectrum-disorders-related-optic-neuritis
#4
Yuxin Zhang, Yiqin Bao, Wei Qiu, Lisheng Peng, Ling Fang, Ying Xu, Hui Yang
Neuromyelitis optica spectrum disorders (NMOSD) are a group of autoimmune astrocytopathies in the central nervous system, which are mainly caused by immunoglobulin G (IgG) against astrocyte water channel aquaporin-4 (AQP4). In this study, we aimed to establish a model of NMOSD-related optic neuritis (NMOSD-ON) and to evaluate the progressive changes of the optic nerve and visual function. AQP4 IgG-positive serum from NMOSD patients was injected into the subarachnoid space of the rat optic nerve to induce the NMOSD-ON model (AQP4 + group), and healthy serum was injected as the control...
June 15, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29913161/the-solution-structure-of-ccl28-reveals-structural-lability-that-does-not-constrain-antifungal-activity
#5
Monica A Thomas, Jie He, Francis C Peterson, Anna R Huppler, Brian F Volkman
The chemokine CCL28 is constitutively expressed in mucosal tissues and is abundant in low-salt mucosal secretions. Beyond its traditional role as a chemoattractant, CCL28 has been shown to act as a potent and broad-spectrum antimicrobial agent with particular efficacy against the commensal fungus and opportunistic pathogen Candida albicans. However, the structural features that allow CCL28 to perform its chemotactic and antimicrobial functions remain unknown. Here, we report the structure of CCL28, solved using nuclear magnetic resonance spectroscopy...
June 15, 2018: Journal of Molecular Biology
https://www.readbyqxmd.com/read/29913130/effect-of-5-httlpr-on-current-source-density-connectivity-and-topological-properties-of-resting-state-eeg-networks
#6
Ekaterina A Proshina, Alexander N Savostyanov, Andrey V Bocharov, Gennady G Knyazev
The S allele of serotonin transporter gene (5-HTTLPR) has been found to increase the risk of depression and other mental health problems, but some evidence suggests that S-allele carriers outperform subjects carrying the long allele in an array of cognitive tasks. Evidence linking this polymorphism with individual variation in electrophysiological properties of resting state brain networks is very limited. This study investigated the effect of 5-HTTLPR polymorphism on EEG current source density, connectivity, and topological properties of resting state networks...
June 15, 2018: Brain Research
https://www.readbyqxmd.com/read/29912983/efficacy-of-melatonin-with-behavioural-sleep-wake-scheduling-for-delayed-sleep-wake-phase-disorder-a-double-blind-randomised-clinical-trial
#7
Tracey L Sletten, Michelle Magee, Jade M Murray, Christopher J Gordon, Nicole Lovato, David J Kennaway, Stella M Gwini, Delwyn J Bartlett, Steven W Lockley, Leon C Lack, Ronald R Grunstein, Shantha M W Rajaratnam
BACKGROUND: Delayed Sleep-Wake Phase Disorder (DSWPD) is characterised by sleep initiation insomnia when attempting sleep at conventional times and difficulty waking at the required time for daytime commitments. Although there are published therapeutic guidelines for the administration of melatonin for DSWPD, to our knowledge, randomised controlled trials are lacking. This trial tested the efficacy of 0.5 mg melatonin, combined with behavioural sleep-wake scheduling, for improving sleep initiation in clinically diagnosed DSWPD patients with a delayed endogenous melatonin rhythm relative to patient-desired (or -required) bedtime (DBT)...
June 2018: PLoS Medicine
https://www.readbyqxmd.com/read/29912982/discovery-of-a-novel-potent-peptide-agonist-to-adiponectin-receptor-1
#8
Sunghwan Kim, Younho Lee, Jun Woo Kim, Young-Jin Son, Min Jung Ma, Jee-Hyun Um, Nam Doo Kim, Sang Hyun Min, Dong Il Kim, Brian B Kim
Activation of adiponectin receptors (AdipoRs) by its natural ligand, adiponectin has been known to be involved in modulating critical metabolic processes such as glucose metabolism and fatty acid oxidation as demonstrated by a number of in vitro and in vivo studies over last two decades. These findings suggest that AdipoRs' agonists could be developed into a potential therapeutic agent for metabolic diseases, such as diabetes mellitus, especially for type II diabetes, a long-term metabolic disorder characterized by high blood sugar, insulin resistance, and relative lack of insulin...
2018: PloS One
https://www.readbyqxmd.com/read/29912848/identify-abnormalities-in-resting-state-brain-function-between-first-episode-drug-naive-major-depressive-disorder-and-remitted-individuals-a-3-year-retrospective-study
#9
Chunxia Yang, Aixia Zhang, Aixiang Jia, Jack X Ma, Ning Sun, Yanfang Wang, Xinrong Li, Zhifen Liu, Sha Liu, Yong Xu, Kerang Zhang
This study aims to identify and characterize neurobiological markers for major depressive disorder (MDD) from resting-state brain functional MRI. We examined the abnormality in the regional homogeneity (ReHo) and amplitude of low-frequency fluctuation (ALFF) in first-episode, drug-naive major depressive disorder (fMDD), and remitted major depressive disorder (rMDD) and correlated these fluctuations with clinical markers of MDD. We conducted a retrospective study and reviewed the medical records of 43 patients with fMDD...
June 15, 2018: Neuroreport
https://www.readbyqxmd.com/read/29912833/ocular-and-cervical-vestibular-evoked-myogenic-potentials-in-patients-with-vestibular-migraine
#10
Kathryn F Makowiec, Erin G Piker, Gary P Jacobson, Nabih M Ramadan, Richard A Roberts
OBJECTIVE: To evaluate the relationship between normal and abnormal ocular vestibular evoked myogenic potentials (oVEMP) and cervical vestibular evoked myogenic potentials (cVEMP) in patients with and without vestibular migraine (VM). STUDY DESIGN: Retrospective review of oVEMP and cVEMP results in patients with vestibular disorders who were assessed clinically and completed vestibular function studies. Data were extracted from a deidentified RedCap Repository. SETTING: Tertiary care multispecialty medical center...
June 15, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29912799/adjunct-aripiprazole-reduces-prolactin-and-prolactin-related-adverse-effects-in-premenopausal-women-with-psychosis-results-from-the-daamsel-clinical-trial
#11
Deanna L Kelly, Megan M Powell, Heidi J Wehring, MacKenzie A Sayer, Ann Marie Kearns, Ann L Hackman, Robert W Buchanan, Rebecca B Nichols, Heather A Adams, Charles M Richardson, Gopal Vyas, Robert P McMahon, Amber K Earl, Kelli M Sullivan, Fang Liu, Sarah E Luttrell, Faith B Dickerson, Stephanie M Feldman, Supriya Narang, Maju M Koola, Peter F Buckley, Jill A RachBeisel, Joseph P McEvoy
PURPOSE/BACKGROUND: Prolactin-related adverse effects contribute to nonadherence and adverse health consequences, particularly in women with severe mental illness. Treating these adverse effects may improve treatment acceptability, adherence, and long-term outcomes. METHODS/PROCEDURES: Premenopausal women with a Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision diagnosis of schizophrenia, schizoaffective disorder, or bipolar disorder were recruited for a randomized, double-blind, placebo-controlled 16-week trial of adjunct aripiprazole (5-15 mg/d)...
June 15, 2018: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29912753/comparison-of-lactase-variant-mcm6-13910-c-t-testing-and-self-report-of-dairy-sensitivity-in-patients-with-irritable-bowel-syndrome
#12
Ann E Almazar, Joseph Y Chang, Joseph J Larson, Elizabeth J Atkinson, G Richard Locke, Nicholas J Talley, Yuri A Saito
GOALS: To evaluate agreement of MCM6-13910 with self-report of dairy sensitivity (DS) and lactose hydrogen methane breath test (LHMBT) results in subjects with irritable bowel syndrome (IBS). BACKGROUND: IBS is a functional gastrointestinal disorder with symptoms including abdominal pain, variable bowel habits, and bloating. Adult patients with lactose malabsorption may present with similar symptoms. Patients with lactose malabsorption have a lactase nonpersistent (LNP) phenotype...
June 16, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29912727/ultrasound-imaging-for-sarcopenia-spasticity-and-painful-muscle-syndromes
#13
Levent Özçakar, Ayşe Merve Ata, Bayram Kaymak, Murat Kara, Dinesh Kumbhare
PURPOSE OF REVIEW: On the basis of its various advantages and the relevant awareness of physicians, ultrasound imaging has overwhelmingly taken its place in the scientific arena. This is true both from the side of daily clinical applications and also from the side of research. Yet, ultrasound provides real-time (diagnostic) imaging and (interventional) guidance for a wide spectrum of muscle disorders. In this regard, this review aims to discuss the potential/actual utility of ultrasound imaging in particular muscle disorders, that is, sarcopenia, spasticity and fibromyalgia/myofascial pain syndrome...
June 15, 2018: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/29912395/the-transcription-factor-lhx1-regulates-the-survival-and-directed-migration-of-poa-derived-cortical-interneurons
#14
Judit Symmank, Vanessa Gölling, Katrin Gerstmann, Geraldine Zimmer
The delicate balance of excitation and inhibition is crucial for proper function of the cerebral cortex, relying on the accurate number and subtype composition of inhibitory gamma-aminobutyric (GABA)-expressing interneurons. Various intrinsic and extrinsic factors precisely orchestrate their multifaceted development including the long-range migration from the basal telencephalon to cortical targets as well as interneuron survival throughout the developmental period. Particularly expressed guidance receptors were described to channel the migration of cortical interneurons deriving from the medial ganglionic eminence (MGE) and the preoptic area (POA) along distinct routes...
April 18, 2018: Cerebral Cortex
https://www.readbyqxmd.com/read/29912365/tisan-estimating-tissue-specific-effects-of-coding-and-noncoding-variants
#15
Kévin Vervier, Jacob J Michaelson
Motivation: Model-based estimates of general deleteriousness, like CADD, DANN or PolyPhen, have become indispensable tools in the interpretation of genetic variants. However, these approaches say little about the tissues in which the effects of deleterious variants will be most meaningful. Tissue-specific annotations have been recently inferred for dozens of tissues/cell types from large collections of cross-tissue epigenomic data, and have demonstrated sensitivity in predicting affected tissues in complex traits...
April 18, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29912316/constitutive-inactivation-of-the-prrt2-gene-alters-short-term-synaptic-plasticity-and-promotes-network-hyperexcitability-in-hippocampal-neurons
#16
Pierluigi Valente, Alessandra Romei, Manuela Fadda, Bruno Sterlini, Davide Lonardoni, Nicola Forte, Floriana Fruscione, Enrico Castroflorio, Caterina Michetti, Giorgia Giansante, Flavia Valtorta, Jin-Wu Tsai, Federico Zara, Thierry Nieus, Anna Corradi, Anna Fassio, Pietro Baldelli, Fabio Benfenati
Mutations in PRoline-Rich Transmembrane protein 2 (PRRT2) underlie a group of paroxysmal disorders including epilepsy, kinesigenic dyskinesia and migraine. Most of the mutations lead to impaired PRRT2 expression and/or function, emphasizing the pathogenic role of the PRRT2 deficiency. In this work, we investigated the phenotype of primary hippocampal neurons obtained from mouse embryos in which the PRRT2 gene was constitutively inactivated. Although PRRT2 is expressed by both excitatory and inhibitory neurons, its deletion decreases the number of excitatory synapses without significantly affecting the number of inhibitory synapses or the nerve terminal ultrastructure...
April 18, 2018: Cerebral Cortex
https://www.readbyqxmd.com/read/29912021/update-on-the-genetics-of-nonbacterial-osteomyelitis-in-humans
#17
Allison J Cox, Polly J Ferguson
PURPOSE OF REVIEW: To summarize the current advances in our understanding or the genetic basis of nonbacterial osteomyelitis. RECENT FINDINGS: Chronic recurrent multifocal osteomyelitis (CRMO) is a complex genetic disorder. Past discoveries identified several single gene defects (LPIN2, Pstpip2 and IL1RN) that cause IL-1-mediated sterile multifocal osteomyelitis. Recently Lorden et al.'s studies show that LIPIN2 deficiency can activate the NLRP3 inflammasome through alterations in the function of P2X7 receptor providing evidence that Majeed syndrome is an NLRP3 inflammasomopathy...
June 13, 2018: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/29911576/symptoms-disabilities-and-life-satisfaction-five-years-after-whiplash-injuries
#18
Johan Styrke, Peter Sojka, Ulf Björnstig, Britt-Marie Stålnacke
Background Chronic whiplash-associated disorders (WADs) are often associated with social functioning problems and decreased ability to perform previous activities. This may lead to decreased life satisfaction, which is insufficiently studied in the context of whiplash injuries. Symptoms included in chronic WAD are similar to symptoms frequently reported by persons who have sustained mild traumatic brain injury (MTBI)/concussion. In cases of MTBI, the severity and number of symptoms have been suggested to have a diagnostic value...
December 29, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29911470/endothelial-cells-are-critical-regulators-of-iron-transport-in-a-model-of-the-human-blood-brain-barrier
#19
Brian Chiou, Emma H Neal, Aaron B Bowman, Ethan S Lippmann, Ian A Simpson, James R Connor
Iron delivery to the brain is essential for multiple neurological processes such as myelination, neurotransmitter synthesis, and energy production. Loss of brain iron homeostasis is a significant factor in multiple neurological disorders. Understanding the mechanism by which the transport of iron across the blood-brain barrier (BBB) is regulated is crucial to address the impact of iron deficiency on brain development and excessive accumulation of iron in neurodegenerative diseases. Using induced pluripotent stem cell (iPSC)-derived brain endothelial cells (huECs) as a human BBB model, we demonstrate the ability of transferrin, hepcidin, and DMT1 to impact iron transport and release...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29911450/inflammatory-bowel-disease-new-therapies-from-antisense-oligonucleotides
#20
Irene Marafini, Giovanni Monteleone
Inflammatory bowel diseases (IBD) are chronic inflammatory conditions of the gastrointestinal tract encompassing two main clinical entities: Crohn's disease (CD) and ulcerative colitis (UC). These disorders are characterized by various grades of tissue damage and development of local complications and extra-intestinal manifestations. The cause of IBD remains unknown but accumulating evidence indicates that both CD and UC arise in genetically-predisposed individuals as a result of the action of multiple environmental factors, which ultimately trigger excessive and poorly-controlled immune response against antigens of the luminal flora...
June 16, 2018: Annals of Medicine
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