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https://www.readbyqxmd.com/read/28717962/comparative-proteome-analysis-for-identification-of-differentially-abundant-proteins-in-sids
#1
Noha El-Kashef, Iva Gomes, Katja Mercer-Chalmers-Bender, Peter M Schneider, Markus A Rothschild, Martin Juebner
Sudden infant death syndrome (SIDS) remains one of the most common causes of post-neonatal infant mortality in developed countries. Its pathogenesis is still poorly understood. The goal of the present study was to characterize changes in the proteome of SIDS compared to age-matched controls in heart and medulla tissues as well as in blood samples using two complementary quantitative proteomic techniques: 2D-DIGE and iTRAQ aiming to provide new insights into the mechanism of SIDS and to find diagnostic protein patterns...
July 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28717351/serial-sampling-of-serum-protein-biomarkers-for-monitoring-human-traumatic-brain-injury-dynamics-a-systematic-review
#2
REVIEW
Eric Peter Thelin, Frederick Adam Zeiler, Ari Ercole, Stefania Mondello, András Büki, Bo-Michael Bellander, Adel Helmy, David K Menon, David W Nelson
BACKGROUND: The proteins S100B, neuron-specific enolase (NSE), glial fibrillary acidic protein (GFAP), ubiquitin carboxy-terminal hydrolase L1 (UCH-L1), and neurofilament light (NF-L) have been serially sampled in serum of patients suffering from traumatic brain injury (TBI) in order to assess injury severity and tissue fate. We review the current literature of serum level dynamics of these proteins following TBI and used the term "effective half-life" (t1/2) in order to describe the "fall" rate in serum...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28713206/the-astrocytic-s100b-protein-with-its-receptor-rage-is-aberrantly-expressed-in-sod1-g93a-models-and-its-inhibition-decreases-the-expression-of-proinflammatory-genes
#3
Alessia Serrano, Claudia Donno, Stefano Giannetti, Mina Perić, Pavle Andjus, Nadia D'Ambrosi, Fabrizio Michetti
Neuroinflammation is one of the major players in amyotrophic lateral sclerosis (ALS) pathogenesis, and astrocytes are significantly involved in this process. The astrocytic protein S100B can be released in pathological states activating the receptor for advanced glycation end products (RAGE). Different indications point to an aberrant expression of S100B and RAGE in ALS. In this work, we observed that S100B and RAGE are progressively and selectively upregulated in astrocytes of diseased rats with a tissue-specific timing pattern, correlated to the level of neurodegeneration...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28711670/evaluation-of-serum-neuron-specific-enolase-s100b-myelin-basic-protein-and-glial-fibrilliary-acidic-protein-as-brain-specific-proteins-in-children-with-autism-spectrum-disorder
#4
Erman Esnafoglu, Sema Nur Ayyıldız, Selma Cırrık, Emine Yurdakul Erturk, Abdullah Erdil, Abdullah Daglı, Tevfik Noyan
OBJECTIVE: Brain specific-proteins are not found in other tissues and measurement non-invasively in the blood may identify structurally and functionally damaged brain regions and identify the severity and prognosis of neuropsychiatric diseases. For this reason, we aimed to evaluate serum brain-specific protein values as brain damage markers in children with autism spectrum disorder (ASD). METHOD: 35 children with ASD and 31 healthy subjects were included in the study...
July 13, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28705495/glial-associated-changes-in-the-cerebral-cortex-after-collagenase-induced-intracerebral-hemorrhage-in-the-rat-striatum
#5
J D Neves, D Aristimunha, A F Vizuete, F Nicola, C Vanzela, L Petenuzzo, R G Mestriner, E F Sanches, C A Gonçalves, C A Netto
Striatum and the cerebral cortex are regions susceptible to secondary injury after intracerebral hemorrhage (ICH) and glial cells in tissue adjacent to the hematoma may modulate cellular vulnerability after brain damage. Nonetheless, while the glial- associated changes occurring in the cerebral cortex after ICH may be important in maximizing brain recovery, they are not fully understood. The aim of this study was to evaluate the temporal profile of glial-associated changes in the cerebral cortex after ICH. First, the motor consequences of ICH and its relation to the lesion volume were analyzed...
July 10, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28699381/prospective-assessment-of-acute-blood-markers-of-brain-injury-in-sport-related-concussion
#6
Timothy Meier, Lindsay D Nelson, Daniel L Huber, Jeff Bazarian, Ronald L Hayes, Michael McCrea
There is a pressing need to identify objective biomarkers for the assessment of sport-related concussion to reduce the reliance on clinical judgment for the management of these injuries. The goal of the current study was to prospectively establish the acute effects of sport-related concussion (SRC) on serum levels of S100B, GFAP, and UCH-L1. Collegiate and high school football players were enrolled and provided blood at preseason. Injured athletes participated in follow-up visits at approximately 6 and 24-48 hours following documented SRC (N=32)...
July 12, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28699196/cytokeratin-positive-folliculo-stellate-cells-in-chicken-adenohypophysis
#7
Shotaro Nishimura, Miyu Yamashita, Takane Kaneko, Fuminori Kawabata, Shoji Tabata
Folliculo-stellate (FS) cells are non-endocrine cells found in the adenohypophysis and are identified in many animals by the S100 protein marker. Although keratin is another FS marker in several animals, there is no information on localization of keratin in the avian adenohypophysis. In this study, localization of cytokeratin in chicken adenohypophyseal cells was investigated immunohistochemically. Basic cytokeratin (bCK)-positive cells were arranged radially in the cell cords with their cytoplasmic processes reaching the basal lamina...
July 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28693920/s100b-promotes-injury-induced-vascular-remodeling-through-modulating-smooth-muscle-phenotype
#8
Teng Cao, Lei Zhang, Ling-Ling Yao, Fei Zheng, Lu Wang, Jian-Ye Yang, Ling-Yun Guo, Xing-Yuan Li, Yu-Wen Yan, Ya-Mu Pan, Miao Jiang, Long Chen, Jun-Ming Tang, Shi-You Chen, Jia-NingWang
S100B is a biomarker of nervous system injury, but it is unknown if it is also involved in vascular injury. In the present study, we investigated S100B function in vascular remodeling following injury. Balloon injury in rat carotid artery progressively induced neointima formation while increasing S100B expression in both neointimal vascular smooth muscle (VSMC) and serum along with an induction of proliferating cell nuclear antigen (PCNA). Knockdown of S100B by its shRNA delivered by adenoviral transduction attenuated the PCNA expression and neointimal hyperplasia in vivo and suppressed PDGF-BB-induced VSMC proliferation and migration in vitro...
July 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28681747/correlation-of-ubiquitin-c-terminal-hydrolase-and-s100%C3%AE-with-cognitive-deficits-in-young-adults-with-mild-traumatic-brain-injury
#9
Subir Dey, Jagathlal Gangadharan, Akhil Deepika, J Keshav Kumar, Rita Christopher, Shruthi S Ramesh, B Indira Devi, Dhaval P Shukla
OBJECTIVE: To study the acute phase serum biomarkers in patients with mild traumatic brain injury (mTBI) and to correlate them with short term cognitive deficits. MATERIALS AND METHODS: This is a prospective observational study conducted at a tertiary care center for neurotrauma. The participants included patients with mTBI (n = 20) and age, gender, and education-status matched healthy controls (n = 20). In both the groups, the serum concentrations of biomarkers ubiquitin C terminal hydrolase (UCH-L1) and S100 calcium-binding protein B (S100B) were measured...
July 2017: Neurology India
https://www.readbyqxmd.com/read/28675430/parvalbumin-expressing-ependymal-cells-in-rostral-lateral-ventricle-wall-adhesions-contribute-to-aging-related-ventricle-stenosis-in-mice
#10
Federica Filice, Marco R Celio, Alexandre Babalian, Walter Blum, Viktoria Szabolcsi
Aging-associated ependymal-cell pathologies can manifest as ventricular gliosis, ventricle enlargement or ventricle stenosis. Ventricle stenosis and fusion of the lateral ventricle (LV) walls is associated with a massive decline of the proliferative capacities of the stem cell niche in the affected subventricular zone (SVZ) in aging mice. We examined the brains of adult C57BL/6 mice and found that ependymal cells located in the adhesions of the medial and lateral walls of the rostral LVs upregulated parvalbumin (PV) and displayed reactive phenotype, similarly to injury-reactive ependymal cells...
July 4, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28672919/brain-injury-with-systemic-inflammation-in-newborns-with-congenital-heart-disease-undergoing-heart-surgery
#11
Rossitza P Pironkova, Joseph Giamelli, Howard Seiden, Vincent A Parnell, Dorota Gruber, Cristina P Sison, Czeslawa Kowal, Kaie Ojamaa
The potential role of systemic inflammation on brain injury in newborns with congenital heart disease (CHD) was assessed by measuring levels of central nervous system (CNS)-derived proteins in serum prior to and following cardiac surgery. A total of 23 newborns (gestational age, 39±1 weeks) with a diagnosis of CHD that required cardiac surgery with cardiopulmonary bypass (CPB) were enrolled in the current study. Serum samples were collected immediately prior to surgery and 2, 24 and 48 h following CPB, and serum levels of phosphorylated neurofilament-heavy subunit (pNF-H), neuron-specific enolase (NSE) and S100B were analyzed...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28660534/-mild-head-injuries-in-the-elderly
#12
Heinrich W Thaler, Jochen Jung-Schmidsfeld, Simon Pienaar
In the elderly, particularly those over 80 years old, head injuries often occur as a result of falls. The majority suffer from mild head injury. After clarification of the initial symptoms in these patients, the main aim is to recognize or exclude intracranial injuries (bleeding). Demonstration of intracranial bleeding is possible with cranial computed tomography (CCT), which in contrast to magnetic resonance imaging (MRI) can be quickly carried out in most cases; however, most patients with mild head injury show no intracranial bleeding...
July 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28647026/s100b-correlation-with-active-vitiligo%C3%A2-depigmentation
#13
Stanca A Birlea
Vitiligo, the most common depigmenting disorder, is caused by immune destruction of melanocytes by cytotoxic CD8(+) T cells. One weakness in vitiligo management is the lack of an assessment method for active depigmentation. Beginning with reports about increased S100B levels in different inflammatory and tissue damage processes, Speeckaert et al. explored correlations between the S100B dynamics and vitiligo activity, identifying high circulating S100B levels in patients with active depigmentation which were strongly correlated with the extent of affected skin surface...
July 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28638321/membrane-guanylate-cyclase-catalytic-subdomain-structure-and-linkage-with-calcium-sensors-and-bicarbonate
#14
Sarangan Ravichandran, Teresa Duda, Alexandre Pertzev, Rameshwar K Sharma
Membrane guanylate cyclase (MGC) is a ubiquitous multi-switching cyclic GMP generating signaling machine linked with countless physiological processes. In mammals it is encoded by seven distinct homologous genes. It is a single transmembrane spanning multi-modular protein; composed of integrated blocks and existing in homo-dimeric form. Its core catalytic domain (CCD) module is a common transduction center where all incoming signals are translated into the production of cyclic GMP, a cellular signal second messenger...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28627408/developmental-exposure-to-glyphosate-based-herbicide-and-depressive-like-behavior-in-adult-offspring-implication-of-glutamate-excitotoxicity-and-oxidative-stress
#15
Daiane Cattani, Patrícia Acordi Cesconetto, Mauren Kruger Tavares, Eduardo Benedetti Parisotto, Paulo Alexandre De Oliveira, Carla Elise Heinz Rieg, Marina Concli Leite, Rui Daniel Schröder Prediger, Nestor Cubas Wendt, Guilherme Razzera, Danilo Wilhelm Filho, Ariane Zamoner
We have previously demonstrated that maternal exposure to glyphosate-based herbicide (GBH) leads to glutamate excitotoxicity in 15-day-old rat hippocampus. The present study was conducted in order to investigate the effects of subchronic exposure to GBH on some neurochemical and behavioral parameters in immature and adult offspring. Rats were exposed to 1% GBH in drinking water (corresponding to 0.36% of glyphosate) from gestational day 5 until postnatal day (PND)-15 or PND60. Results showed that GBH exposure during both prenatal and postnatal periods causes oxidative stress, affects cholinergic and glutamatergic neurotransmission in offspring hippocampus from immature and adult rats...
June 13, 2017: Toxicology
https://www.readbyqxmd.com/read/28612258/downregulated-glia-interplay-and-increased-mirna-155-as-promising-markers-to-track-als-at-an%C3%A2-early-stage
#16
Carolina Cunha, Catarina Santos, Cátia Gomes, Adelaide Fernandes, Alexandra Marçal Correia, Ana Maria Sebastião, Ana Rita Vaz, Dora Brites
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease of unknown cause. Absence of specific targets and biomarkers compromise the development of new therapeutic strategies and of innovative tools to stratify patients and assess their responses to treatment. Here, we investigate changes in neuroprotective-neuroinflammatory actions in the spinal cord of SOD1 (G93A) mice, at presymptomatic and symptomatic stages to identify stage-specific biomarkers and potential targets. Results showed that in the presymptomatic stage, there are alterations in both astrocytes and microglia, which comprise decreased expression of GFAP and S100B and upregulation of GLT-1, as well as reduced expression of CD11b, M2-phenotype markers, and a set of inflammatory mediators...
June 13, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28612133/brain-specific-serum-biomarkers-predict-neurological-morbidity-in-diagnostically-diverse-pediatric-intensive-care-unit-patients
#17
Alicia K Au, Michael J Bell, Ericka L Fink, Rajesh K Aneja, Patrick M Kochanek, Robert S B Clark
BACKGROUND: Unexpected neurological morbidity in Pediatric Intensive Care Units (PICUs) remains high and is difficult to detect proactively. Brain-specific biomarkers represent a novel approach for early detection of neurological injury. We sought to determine whether serum concentrations of neuron-specific enolase (NSE), myelin basic protein (MBP), and S100B, specific for neurons, oligodendrocytes, and glia, respectively, were predictive of neurological morbidity in critically ill children...
June 13, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28605426/biomarkers-of-cerebral-injury-and-inflammation-in-pediatric-tuberculous-meningitis
#18
Ursula K Rohlwink, Katya Mauff, Katalin A Wilkinson, Nico Enslin, Emmanuel Wegoye, Robert J Wilkinson, Anthony A Figaji
Background: Tuberculous meningitis (TBM) leads to death or disability in half the affected individuals. Tools to assess severity and predict outcome are lacking. Neuro-specific biomarkers could serve as markers of the severity and evolution of brain injury, but have not been widely explored in TBM. We examined biomarkers of neurological injury (neuromarkers) and inflammation in pediatric TBM and their association with outcome. Methods: Blood and cerebrospinal fluid (CSF) of children with TBM and hydrocephalus taken on admission and over 3 weeks were analysed for neuromarkers S100B, neuron-specific enolase (NSE) and glial fibrillary acidic protein (GFAP), and multiple inflammatory markers...
June 9, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28598212/blood-protein-biomarkers-as-diagnostic-tool-for-ischemic-stroke-a-systematic-review
#19
Thomas Monbailliu, Joline Goossens, Saϊd Hachimi-Idrissi
AIM: This systematic review provides a summary of the blood protein biomarkers that have been studied for the diagnosis of acute ischemic stroke. MATERIALS & METHODS: An extensive MEDLINE (using PubMed) and Web of Knowledge search was performed. From the 354 articles found, 42 were eligible for further analysis and 25 protein biomarkers were examined. RESULTS: Though many candidate blood-based protein biomarkers were examined, only two could significantly differentiate ischemic stroke patients from healthy controls, stroke mimics and hemorrhagic stroke patients...
June 9, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28594820/serum-proteins-mediate-depression-s-association-with-dementia
#20
Donald R Royall, Safa Al-Rubaye, Ram Bishnoi, Raymond F Palmer
The latent variable "δ" (for "dementia") uniquely explains dementia severity. Depressive symptoms are independent predictors of δ. We explored 115 serum proteins as potential causal mediators of the effect of depressive symptoms on δ in a large, ethnically diverse, longitudinal cohort. All models were adjusted for age, apolipoprotein E, education, ethnicity, gender, hemoglobin A1c, and homocysteine, and replicated in randomly selected 50% subsets. Alpha1-antitrypsin (A1AT), FAS, Heparin-binding EGF-like Growth Factor (HB-EGF), Insulin-like Growth Factor-1 (IGF-1), Luteinizing Hormone (LH), Macrophage Inflammatory Protein type 1 alpha (MIP-1α), Resitin, S100b, Tissue Inhibitor of Metalloproteinase type 1 (TIMP-1), and Vascular Cell Adhesion Molecule type 1 (VCAM-1) each were partial mediators of depression's association with δ...
2017: PloS One
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