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S100B protein

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https://www.readbyqxmd.com/read/28885620/oxidative-stress-induced-s100b-accumulation-converts-myoblasts-into-brown-adipocytes-via-an-nf-%C3%AE%C2%BAb-yy1-mir-133-axis-and-nf-%C3%AE%C2%BAb-yy1-bmp-7-axis
#1
Giulio Morozzi, Sara Beccafico, Roberta Bianchi, Francesca Riuzzi, Ilaria Bellezza, Ileana Giambanco, Cataldo Arcuri, Alba Minelli, Rosario Donato
Muscles of sarcopenic people show hypotrophic myofibers and infiltration with adipose and, at later stages, fibrotic tissue. The origin of infiltrating adipocytes resides in fibro-adipogenic precursors and nonmyogenic mesenchymal progenitor cells, and in satellite cells, the adult stem cells of skeletal muscles. Myoblasts and brown adipocytes share a common Myf5(+) progenitor cell: the cell fate depends on levels of bone morphogenetic protein 7 (BMP-7), a TGF-β family member. S100B, a Ca(2+)-binding protein of the EF-hand type, is expressed at relatively high levels in myoblasts from sarcopenic humans and exerts anti-myogenic effects via NF-κB-dependent inhibition of MyoD, a myogenic transcription factor acting upstream of the essential myogenic factor, myogenin...
September 8, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28859856/gastrin-induces-nuclear-export-and-proteasome-degradation-of-menin-in-enteric-glial-cells
#2
Sinju Sundaresan, Cameron A Meininger, Anthony J Kang, Amanda L Photenhauer, Michael M Hayes, Nirakar Sahoo, Jolanta Grembecka, Tomasz Cierpicki, Lin Ding, Thomas J Giordano, Tobias Else, David J Madrigal, Malcolm J Low, Fiona Campbell, Ann-Marie Baker, Haoxing Xu, Nicholas A Wright, Juanita L Merchant
BACKGROUND & AIMS: The multiple endocrine neoplasia, type 1 (MEN1) locus encodes the nuclear protein and tumor suppressor menin. MEN1 mutations frequently cause neuroendocrine tumors (NETs) such as gastrinomas, characterized by their predominant duodenal location and local metastasis at time of diagnosis. Diffuse gastrin cell hyperplasia precedes the appearance of MEN1 gastrinomas, which develop within submucosal Brunner's glands. We investigated how menin regulates expression of the gastrin gene and induces generation of submucosal gastrin-expressing cell hyperplasia...
August 28, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28852071/sonic-hedgehog-mimetic-prevents-leukocyte-infiltration-into-the-cns-during-acute-hiv-infection
#3
Vir B Singh, Meera V Singh, Dorota Piekna-Przybylska, Santhi Gorantla, Larisa Y Poluektova, Sanjay B Maggirwar
Infiltration of infected leukocytes culminates in establishment of a brain niche for Human Immunodeficiency Virus (HIV) during acute phase of infection, initiating an ongoing cascade of persistent viral replication and inflammation, that causes irreversible neuronal injury and HIV associated neurocognitive disease (HAND). In this study, humanized mice were treated with Smoothened Agonist (SAG), a Sonic Hedgehog (Shh) mimetic in order to fortify blood brain barrier (BBB) and dampen leukocyte extravasation into CNS during AHI...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28828226/serum-galectin-3-levels-and-delirium-among-postpartum-intensive-care-unit-women
#4
Ying Zhu, Wei Hu, Ming-Li Zhu, Ting Yin, Jun Su, Jian-Rong Wang
OBJECTIVE: Inflammation correlates with delirium. Galectin-3 is a proinflammatory protein. This study aimed to determine relation of serum galectin-3 levels to delirium of postpartum intensive care unit (ICU) women. MATERIALS AND METHODS: In this prospective observational study, serum galectin-3, S100B, and C-reactive protein levels of 412 postpartum ICU women and 412 healthy women were measured. Delirium and Acute Physiology and Chronic Health Care Evaluation II (APCHCE II) scores were recorded...
August 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28774366/-association-between-s100b-gene-polymorphisms-and-hand-foot-and-mouth-disease-caused-by-enterovirus-71-infection
#5
Jing Li, Ruo-Bing Shan, Rui-Hai Liu, Ying-Jun Xu, Ni-Yan Qu, Gui-Mei Pan, Na Zhang, Na Yang, Zhen-Zhen Chen, Wen-Xiang Zhang, Zi-Pu Li
OBJECTIVE: To investigate the association between rs9722 polymorphisms in the S100B gene and hand, foot and mouth disease (HFMD) caused by enterovirus 71. METHODS: A total of 124 HFMD children with enterovirus 71 infection were enrolled as subjects, and 56 healthy children were enrolled as control group. The rs9722 polymorphisms in the S100B gene were detected for both groups, and the serum level of S100B protein was measured for 74 HFMD children. RESULTS: The rs9722 locus of the S100B gene had three genotypes, CC, CT, and TT, and the genotype frequencies were in accordance with Hardy-Weinberg equilibrium...
August 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28761630/s100-b-a-new-concept-in-neurocritical-care
#6
REVIEW
Omidvar Rezaei, Hossein Pakdaman, Kurosh Gharehgozli, Leila Simani, Amir Vahedian-Azimi, Sina Asaadi, Zahra Sahraei, Mohammadreza Hajiesmaeili
After brain injuries, concentrations of some brain markers such as S100B protein in serum and cerebrospinal fluid (CSF) are correlated with the severity and outcome of brain damage. To perform an updated review of S100B roles in human neurocritical care domain, an electronic literature search was carried among articles published in English prior to March 2017. They were retrieved from PubMed, Scopus, EMBSCO, CINAHL, ISC and the Cochrane Library using keywords including "brain", "neurobiochemical marker", "neurocritical care", and "S100B protein"...
April 4, 2017: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/28756088/protein-s100b-in-umbilical-cord-blood-as-a-potential-biomarker-of-hypoxic-ischemic-encephalopathy-in-asphyxiated-newborns
#7
Mehreen Zaigham, Fredrik Lundberg, Per Olofsson
BACKGROUND: Neonatal hypoxic ischemic encephalopathy (HIE) is a devastating condition resulting from a sustained lack of oxygen during birth. The interest in identifying a relevant biomarker of HIE has thrown into limelight the role of protein S100B as a clinical diagnostic marker of hypoxic brain damage in neonates. AIMS: To evaluate the diagnostic value of protein S100B, measured in umbilical cord blood immediately after birth, as a useful biomarker in the diagnosis of HIE Sarnat stages II-III as well as a marker for long-term mortality and morbidity...
September 2017: Early Human Development
https://www.readbyqxmd.com/read/28738706/relationship-between-premature-brain-injury-and-multiple-biomarkers-in-cord-blood-and-amniotic-fluid
#8
Hongyan Lu, Weiling Huang, Xiaoqing Chen, Qiuxia Wang, Qiang Zhang, Ming Chang
PURPOSE: To investigate the relationship between premature brain injury and multiple biomarkers in cord blood and amniotic fluid, identify potential biomarkers for early monitoring of premature brain injury. METHODS: 130 cases of singleton premature infants with gestational age less than 34 weeks were evaluated. Based on brain imaging examination, all cases were divided into brain injury group and no brain injury group. Eleven biomarkers in cord blood and amniotic fluid were measured...
July 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28732710/cytokine-profiling-in-the-prefrontal-cortex-of-parkinson-s-disease-and-multiple-system-atrophy-patients
#9
Rasmus Rydbirk, Betina Elfving, Mille Dahl Andersen, Mia Aggergaard Langbøl, Jonas Folke, Kristian Winge, Bente Pakkenberg, Tomasz Brudek, Susana Aznar
Parkinson's Disease (PD) and Multiple System Atrophy (MSA) are neurodegenerative diseases characterized neuropathologically by alpha-synuclein accumulation in brain cells. This accumulation is hypothesized to contribute to constitutive neuroinflammation, and to participate in the neurodegeneration. Cytokines, which are the main inflammatory signalling molecules, have been identified in blood and cerebrospinal fluid of PD patients, but studies investigating the human brain levels are scarce. It is documented that neurotrophins, necessary for survival of brain cells and known to interact with cytokines, are altered in the basal ganglia of PD patients...
July 19, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28717962/comparative-proteome-analysis-for-identification-of-differentially-abundant-proteins-in-sids
#10
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
#11
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
#12
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
#13
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/28699196/cytokeratin-positive-folliculo-stellate-cells-in-chicken-adenohypophysis
#14
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
#15
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
#16
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/28672919/brain-injury-with-systemic-inflammation-in-newborns-with-congenital-heart-disease-undergoing-heart-surgery
#17
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/28638321/membrane-guanylate-cyclase-catalytic-subdomain-structure-and-linkage-with-calcium-sensors-and-bicarbonate
#18
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
#19
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...
July 15, 2017: Toxicology
https://www.readbyqxmd.com/read/28612133/brain-specific-serum-biomarkers-predict-neurological-morbidity-in-diagnostically-diverse-pediatric-intensive-care-unit-patients
#20
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
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