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https://www.readbyqxmd.com/read/28334184/mild-traumatic-brain-injury-induces-structural-and-functional-disconnection-of-local-neocortical-inhibitory-networks-via-parvalbumin-interneuron-diffuse-axonal-injury
#1
Michal Vascak, Xiaotao Jin, Kimberle M Jacobs, John T Povlishock
Diffuse axonal injury (DAI) plays a major role in cortical network dysfunction posited to cause excitatory/inhibitory imbalance after mild traumatic brain injury (mTBI). Current thought holds that white matter (WM) is uniquely vulnerable to DAI. However, clinically diagnosed mTBI is not always associated with WM DAI. This suggests an undetected neocortical pathophysiology, implicating GABAergic interneurons. To evaluate this possibility, we used mild central fluid percussion injury to generate DAI in mice with Cre-driven tdTomato labeling of parvalbumin (PV) interneurons...
March 4, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28333771/classification-of-acute-pancreatitis-in-the-pediatric-population-clinical-report-from-the-naspghan-pancreas-committee
#2
Maisam Abu-El-Haija, Soma Kumar, Flora Szabo, Steven Werlin, Darwin Conwell, Peter Banks, Veronique D Morinville
INTRODUCTION: Acute pancreatitis (AP) is an emerging problem in pediatrics, with most cases resolving spontaneously. However, approximately 10-30% are believed to develop "severe acute pancreatitis" (SAP). METHODS: This consensus statement on the classification of AP in pediatrics was developed through a working group that performed an evidence-based search for classification of AP in adult pancreatitis, definitions and criteria of Systemic Inflammatory Response Syndrome (SIRS), and organ failure in pediatrics...
March 22, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28332424/neuroprotective-effect-of-dl-3-n-butylphthalide-on-patients-with-radiation-induced-brain-injury-a-clinical-retrospective-cohort-study
#3
Xiaoni Zhang, Yi Li, Xiangpen Li, Xiaoming Rong, Yamei Tang, Ying Peng
PURPOSE: To evaluate the neuroprotective effects of Dl-3-n-butylphthalide (NBP) on patients with radiation-induced brain injury, a hospital-based, clinical retrospective cohort study was conducted. PATIENTS AND METHODS: Data was collected on patients diagnosed with radiation-induced brain injury from January 2009 to January 2015 in Department of Neurology, Sun Yat-Sen Memorial Hospital. All patients enrolled have received cranial radiotherapy and were diagnosed with radiation-induced brain injury...
March 23, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28330973/neurokinin-b-regulates-reproduction-via-inhibition-of-kisspeptin-in-a-teleost-the-striped-bass
#4
Nilli Zmora, Ten Tsao Wong, John David Stubblefield, Berta Levavi-Sivan, Yonathan Zohar
Kisspeptin and neurokinin B (NKB) are neuropeptides co-expressed in the mammalian hypothalamus and coordinately control GnRH signaling. We have found that Nkb and kisspeptin neurons are distinct in the teleost, striped bass (stb), and capitalized on this phenomenon to study the mode of action of Nkb and its related neuropeptide-F (Nkf), both of which are encoded by the tac3 gene. In vitro brain slices and in vivo administration studies revealed that Nkb/f consistently down-regulated kiss2, while antagonist (AntD) administration restored this effect...
March 22, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28330317/molecular-detection-and-pathogenicity-of-a-nucleopolyhedrovirus-isolated-from-looper-caterpillar-hyposidra-talaca-a-tea-pest
#5
Soma Dasgupta, Hijam Ranjit Singh, Sudripta Das, Sunil Kumar Pathak, Rakesh Kumar Bhola
Hyposidra talaca is a major defoliating pest of tea plants in north-eastern part of India. In this study, we look for variations (if any) in the attacking virus. Viral samples were collected from different regions of the northern part of West Bengal in India and were analyzed by PCR technique to study the variations across the region. The partial segment of the HytaNPV polyhedrin gene was cloned and sequenced. A 527 bp nucleotide sequence containing highly conserved region from polyhedrin gene of HytaNPV was observed...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28328139/long-term-survival-of-a-patient-with-perlman-syndrome-due-to-novel-compound-heterozygous-missense-mutations-in-rnb-domain-of-dis3l2
#6
Noriko Soma, Ken Higashimoto, Masaru Imamura, Akihiko Saitoh, Hidenobu Soejima, Keisuke Nagasaki
Perlman syndrome is a rare overgrowth syndrome characterized by polyhydramnios, macrosomia, distinctive facial appearance, renal dysplasia, and a predisposition to Wilms' tumor. The syndrome is often associated with a high neonatal mortality rate and there are few reports of long-term survivors. We studied a 6-year-old Japanese female patient, who was diagnosed with Perlman syndrome, with novel compound heterozygous mutations in DIS3L2 (c.[367-2A > G];[1328T > A]), who has survived long term. Most reported DIS3L2 mutations have been the homozygous deletion of exon 6 or exon 9, and these mutations would certainly have caused the loss of both RNA binding and degradation activity...
April 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28326938/mechanisms-of-nerve-growth-factor-signaling-in-bone-nociceptors-and-in-an-animal-model-of-inflammatory-bone-pain
#7
Sara Nencini, Mitchell Ringuet, Dong-Hyun Kim, Yu-Jen Chen, Claire Greenhill, Jason J Ivanusic
Sequestration of nerve growth factor has been used successfully in the management of pain in animal models of bone disease and in human osteoarthritis. However, the mechanisms of nerve growth factor-induced bone pain and its role in modulating inflammatory bone pain remain to be determined. In this study, we show that nerve growth factor receptors (TrkA and p75) and some other nerve growth factor-signaling molecules (TRPV1 and Nav1.8, but not Nav1.9) are expressed in substantial proportions of rat bone nociceptors...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28326929/dendritic-spine-dysgenesis-in-superficial-dorsal-horn-sensory-neurons-after-spinal-cord-injury
#8
Xiaoyu C Cao, Laura W Pappalardo, Stephen G Waxman, Andrew M Tan
Neuropathic pain is a major complication of spinal cord injury, and despite aggressive efforts, this type of pain is refractory to available clinical treatment. Our previous work has demonstrated a structure-function link between dendritic spine dysgenesis on nociceptive sensory neurons in the intermediate zone, laminae IV/V, and chronic pain in central nervous system and peripheral nervous system injury models of neuropathic pain. To extend these findings, we performed a follow-up structural analysis to assess whether dendritic spine remodeling occurs on superficial dorsal horn neurons located in lamina II after spinal cord injury...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28324222/bdnf-mrna-splice-variants-differentially-impact-ca1-and-ca3-dendrite-complexity-and-spine-morphology-in-the-hippocampus
#9
Kristen R Maynard, John W Hobbs, Mahima Sukumar, Alisha S Kardian, Dennisse V Jimenez, Robert J Schloesser, Keri Martinowich
Brain-derived neurotrophic factor (BDNF) is an activity-dependent neurotrophin critical for neuronal plasticity in the hippocampus. BDNF is encoded by multiple transcripts with alternative 5' untranslated regions (5'UTRS) that display activity-induced targeting to distinct subcellular compartments. While individual Bdnf 5'UTR transcripts influence dendrite morphology in cultured hippocampal neurons, it is unknown whether Bdnf splice variants impact dendrite arborization in functional classes of neurons in the intact hippocampus...
March 21, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28322791/lps-depletes-phlpp-levels-in-macrophages-through-the-inhibition-of-sp1-dependent-transcriptional-regulation
#10
Neeraja P Alamuru-Yellapragada, Sanghamitra Vundyala, Soma Behera, Kishore V L Parsa
We have previously reported that bacterial endotoxin LPS attenuates expression of PHLPP, a ser/thr phosphatase, at both transcript and protein levels in different immune cells, however the underlying molecular mechanism is unknown and is of significant interest. Here, in line with the decreased transcript levels upon LPS treatment, we observed that LPS caused significant reduction in PHLPP promoter activity. We observed that SP1, a transcription factor frequently associated with inflammation, was recruited to the PHLPP promoter region...
March 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28322735/stella-collaborates-in-distinct-mesendodermal-cell-subpopulations-at-the-fetal-placental-interface-in-the-mouse-gastrula
#11
Adam D Wolfe, Adriana M Rodriguez, Karen M Downs
The allantois-derived umbilical component of the chorio-allantoic placenta shuttles fetal blood to and from the chorion, thereby ensuring fetal-maternal exchange. The progenitor populations that establish and supply the fetal-umbilical interface lie, in part, within the base of the allantois, where the germ line is claimed to segregate from the soma. Results of recent studies in the mouse have reported that STELLA (DPPA-3, PGC7) co-localizes with PRDM1 (BLIMP1), the bimolecular signature of putative primordial germ cells (PGCs) throughout the fetal-placental interface...
March 16, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28321319/the-effectiveness-of-telemedicine-in-the-management-of-chronic-heart-disease-a-systematic-review
#12
Clemens S Kruse, Mounica Soma, Deepthi Pulluri, Naga T Nemali, Matthew Brooks
OBJECTIVE: The primary objective of this systematic review is to assess the effectiveness of telemedicine in managing chronic heart disease patients concerning improvement in varied health attributes. DESIGN: This review follows the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) standard. SETTING: We adopted a logical search process used in two main research databases, the Cumulative Index to Nursing and Allied Health Literature and PubMed (MEDLINE)...
March 2017: JRSM Open
https://www.readbyqxmd.com/read/28320394/el-ni%C3%A3-o-southern-oscillation-as-an-early-warning-tool-for-malaria-outbreaks-in-india
#13
Ramesh C Dhiman, Soma Sarkar
BACKGROUND: Risks of malaria epidemics in relation to El Niño and Southern Oscillation (ENSO) events have been mapped and studied at global level. In India, where malaria is a major public health problem, no such effort has been undertaken that inter-relates El Niño, Indian Summer Monsoon Rainfall (ISMR) and malaria. The present study has been undertaken to find out the relationship between ENSO events, ISMR and intra-annual variability in malaria cases in India, which in turn could help mitigate the malaria outbreaks...
March 20, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28318884/udp-p2y6-receptor-signaling-regulates-ige-dependent-degranulation-in-human-basophils
#14
Manabu Nakano, Koichi Ito, Takeo Yuno, Nobuyuki Soma, Syun Aburakawa, Kosuke Kasai, Toshiya Nakamura, Hideki Takami
BACKGROUND: P2Y purinergic receptors (P2YR) are G protein-coupled receptors that are stimulated by extracellular nucleotides. They mediate cellular effects by regulating cAMP production, protein kinase C activation, inositol trisphosphate generation, and Ca(2+) release from intracellular stores. The P2Y6 receptor of this family is selectively stimulated by UDP, and selectively inhibited by MRS2578. In the present study, we examined the effect of UDP/P2Y6 receptor signaling on IgE-dependent degranulation in human basophils...
March 16, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28318364/defective-retrograde-transport-impairs-autophagic-clearance-in-alzheimer-disease-neurons
#15
Prasad Tammineni, Qian Cai
Macroautophagy/autophagy plays a key role in cellular quality control by eliminating protein aggregates and damaged organelles, which is essential for the maintenance of neuronal homeostasis. Defective autophagy has been implicated in the pathogenesis of Alzheimer disease (AD). In AD brains, autophagic vacuoles (AVs) accumulate massively within dystrophic neurites. This raises a fundamental question as to whether impaired autophagic clearance contributes to AD-associated autophagic stress. We recently revealed that AD neurons display defective retrograde transport and accumulation of amphisomes predominantly in axons and presynaptic terminals...
February 28, 2017: Autophagy
https://www.readbyqxmd.com/read/28316975/role-of-estrogens-in-the-size-of-neuronal-somata-of-paravaginal-ganglia-in-ovariectomized-rabbits
#16
Laura G Hernández-Aragón, Verónica García-Villamar, María de Los Ángeles Carrasco-Ruiz, Leticia Nicolás-Toledo, Arturo Ortega, Estela Cuevas-Romero, Margarita Martínez-Gómez, Francisco Castelán
We aimed to determine the role of estrogens in modulating the size of neuronal somata of paravaginal ganglia. Rabbits were allocated into control (C), ovariectomized (OVX), and OVX treated with estradiol benzoate (OVX + EB) groups to evaluate the neuronal soma area; total serum estradiol (E2) and testosterone (T) levels; the percentage of immunoreactive (ir) neurons anti-aromatase, anti-estrogen receptor (ERα, ERβ) and anti-androgen receptor (AR); the intensity of the immunostaining anti-glial cell line-derived neurotrophic factor (GDNF) and the GDNF family receptor alpha type 1 (GFRα1); and the number of satellite glial cells (SGCs) per neuron...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28316445/therapeutic-leukapheresis-in-a-tertiary-care-hospital-a-case-series
#17
Raj Nath Makroo, Brinda Kakkar, Mohit Chowdhry, Soma Agrawal, Shishir Seth, Uday K Thakur
Patients presenting with hyperleukocytosis secondary to acute leukemia, with total leukocyte count or blast count more than 100,000/μL are often considered for leukapheresis, especially if clinical signs of leukostasis are present. Leukostasis is often associated with high morbidity and mortality in patients with leukemic processes. The main goal of management of hyperleukocytosis and/or leukostasis is to reduce the blast count before initiation of chemotherapy. Leukapheresis is often used prophylactically to prevent leukostasis or to provide symptomatic relief...
January 2017: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/28303969/hbv-quasispecies-composition-in-lamivudine-failed-chronic-hepatitis-b-patients-and-its-influence-on-virological-response-to-tenofovir-based-rescue-therapy
#18
Priyanka Banerjee, Abhijit Chakraborty, Rajiv Kumar Mondal, Mousumi Khatun, Somenath Datta, Kausik Das, Pratap Pandit, Souvik Mukherjee, Soma Banerjee, Saurabh Ghosh, Saikat Chakrabarti, Abhijit Chowdhury, Simanti Datta
The present study sought to evaluate the structure of HBV quasispecies in Lamivudine (LMV)-failed chronic hepatitis B (CHB) patients and its impact in defining the subsequent virological responses to Tenofovir (TDF)-based rescue-therapy. By analyzing HBV clones encompassing reverse transcriptase (RT) and surface (S) region from LMV-failed and treatment-naïve CHB patients, we identified 5 classical and 12 novel substitutions in HBV/RT and 9 substitutions in immune-epitopes of HBV/S that were significantly associated with LMV failure...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28301585/a-maternal-high-fat-high-sucrose-diet-has-sex-specific-effects-on-fetal-glucocorticoids-with-little-consequence-for-offspring-metabolism-and-voluntary-locomotor-activity-in-mice
#19
Eunice H Chin, Kim L Schmidt, Kaitlyn M Martel, Chi Kin Wong, Jordan E Hamden, William T Gibson, Kiran K Soma, Julian K Christians
Maternal overnutrition and obesity during pregnancy can have long-term effects on offspring physiology and behaviour. These developmental programming effects may be mediated by fetal exposure to glucocorticoids, which is regulated in part by placental 11β-hydroxysteroid dehydrogenase (11β-HSD) type 1 and 2. We tested whether a maternal high-fat, high-sucrose diet would alter expression of placental 11β-HSD1 and 2, thereby increasing fetal exposure to maternal glucocorticoids, with downstream effects on offspring physiology and behaviour...
2017: PloS One
https://www.readbyqxmd.com/read/28301460/clinical-laboratories-collaborate-to-resolve-differences-in-variant-interpretations-submitted-to-clinvar
#20
Steven M Harrison, Jill S Dolinsky, Amy E Knight Johnson, Tina Pesaran, Danielle R Azzariti, Sherri Bale, Elizabeth C Chao, Soma Das, Lisa Vincent, Heidi L Rehm
PURPOSE: Data sharing through ClinVar offers a unique opportunity to identify interpretation differences between laboratories. As part of a ClinGen initiative, four clinical laboratories (Ambry, GeneDx, Partners Healthcare Laboratory for Molecular Medicine, and University of Chicago Genetic Services Laboratory) collaborated to identify the basis of interpretation differences and to investigate if data sharing and reassessment resolve interpretation differences by analyzing a subset of variants...
March 16, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
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