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S100B protein

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https://www.readbyqxmd.com/read/29764272/does-s100b-have-a-potential-role-in-affective-disorders-a-literature-review
#1
Hilda Kroksmark, Maj Vinberg
BACKGROUND: S100B is a calcium-binding protein located in glial cells; it is regarded as a potential biomarker in affective disorders. AIM: To review the literature investigating the role of S100B in patients with affective disorders. METHOD: A systematic review of original English language studies investigating S100B in serum, cerebrospinal fluid, plasma and lymphocytes, in patients with affective disorders, was conducted. The literature search was conducted within the PubMed database...
May 15, 2018: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/29719006/blood-based-cerebral-biomarkers-in-preeclampsia-plasma-concentrations-of-nfl-tau-s100b-and-nse-during-pregnancy-in-women-who-later-develop-preeclampsia-a-nested-case-control-study
#2
Lina Bergman, Henrik Zetterberg, Helena Kaihola, Henrik Hagberg, Kaj Blennow, Helena Åkerud
OBJECTIVE: To evaluate if concentrations of the neuronal proteins neurofilament light chain and tau are changed in women developing preeclampsia and to evaluate the ability of a combination of neurofilament light chain, tau, S100B and neuron specific enolase in identifying neurologic impairment before diagnosis of preeclampsia. METHODS: A nested case-control study within a longitudinal study cohort was performed. 469 healthy pregnant women were enrolled between 2004-2007 and plasma samples were collected at gestational weeks 10, 25, 28, 33 and 37...
2018: PloS One
https://www.readbyqxmd.com/read/29707233/zika-virus-propagation-and-release-in-human-fetal-astrocytes-can-be-suppressed-by-neutral-sphingomyelinase-2-inhibitor-gw4869
#3
Yunlong Huang, Yuju Li, Hainan Zhang, Runze Zhao, Ran Jing, Yinghua Xu, Miao He, Justin Peer, Yeong C Kim, Jiangtao Luo, Zenghan Tong, Jialin Zheng
Zika virus (ZIKV) is a neurotrophic flavivirus that is capable of infecting humans, leading to brain abnormalities during fetal development. The ZIKV infectivity in neural target cells remains poorly understood. Here, we found that ZIKV specifically infected glial fibrillary acidic protein- and S100B-positive primary human astrocytes derived from fetal brains. In contrast, neuron-specific Class III β-tubulin (TuJ1)-positive neurons in the astrocyte cultures and SOX2-positive neural progenitor cells derived from the fetal brains were less susceptible to ZIKV infection compared with astrocytes...
2018: Cell Discovery
https://www.readbyqxmd.com/read/29701682/circulating-microrna-biomarkers-in-melanoma-tools-and-challenges-in-personalised-medicine
#4
REVIEW
Sophie L Mumford, Benjamin P Towler, Amy L Pashler, Onur Gilleard, Yella Martin, Sarah F Newbury
Effective management of melanoma depends heavily on early diagnosis. When detected in early non-metastatic stages, melanoma is almost 100% curable by surgical resection, however when detected in late metastatic stages III and IV, 5-year survival rates drop to ~50% and 10⁻25%, respectively, due to limited efficacy of current treatment options. This presents a pressing need to identify biomarkers that can detect patients at high risk of recurrence and progression to metastatic disease, which will allow for early intervention and survival benefit...
April 26, 2018: Biomolecules
https://www.readbyqxmd.com/read/29694508/andrographolide-protects-mouse-astrocytes-against-hypoxia-injury-by-promoting-autophagy-and-s100b-expression
#5
Juan Du, Chunyan Zhang, Xueqing Na, Aizhi Li, Qingfeng Zhang, Kezhong Li, Yongbo Ding
Andrographolide (ANDRO) has been studied for its immunomodulation, anti-inflammatory, and neuroprotection effects. Because brain hypoxia is the most common factor of secondary brain injury after traumatic brain injury, we studied the role and possible mechanism of ANDRO in this process using hypoxia-injured astrocytes. Mouse cortical astrocytes C8-D1A (astrocyte type I clone from C57/BL6 strains) were subjected to 3 and 21% of O2 for various times (0-12 h) to establish an astrocyte hypoxia injury model in vitro...
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29685283/blood-biomarkers-are-associated-with-brain-function-and-blood-flow-following-sport-concussion
#6
Alex P Di Battista, Nathan Churchill, Tom A Schweizer, Shawn G Rhind, Doug Richards, Andrew J Baker, Michael G Hutchison
BACKGROUND: Secondary injury pathophysiology after sport-related concussion (SRC) is poorly understood. Blood biomarkers may be a useful tool for characterizing these processes, yet there are limitations in their application as a single modality. Combining blood biomarker analysis with advanced neuroimaging may help validate their continued utility in brain injury research by elucidating important secondary injury mechanisms. Hence, the purpose of this study was to evaluate co-modulation between peripheral blood biomarkers and advanced functional brain imaging after SRC...
June 15, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29652311/-inflammatory-factors-and-immunophenotypes-in-adjustment-disorders
#7
T P Klyushnik, V B Nikitina, L V Androsova, T P Vetlugina, S A Zozulya, M M Aksenov, N A Bokhan
AIM: To identify inflammatory and autoimmune markers (enzymatic activity of leukocyte elastase (LE), functional α1-proteinase inhibitor (α1-PI), the level of autoantibodies to neurospecific antigens S100b and myelin basic protein (MBP)) as well as phagocytic activity of blood neutrophils of patients with disorders of adaptation, to determine certain immunophenotypes and analyze their possible relationships with disease characteristics. MATERIAL AND METHODS: The study included 40 patients with adaptation disorders, mostly women...
2018: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/29607329/prognostic-roles-of-mrna-expression-of-s100-in-non-small-cell-lung-cancer
#8
Ying Liu, Jian Cui, Yun-Liang Tang, Liang Huang, Cong-Yang Zhou, Ji-Xiong Xu
The S100 protein family is involved in cancer cell invasion and metastasis, but its prognostic value in non-small-cell lung cancer (NSCLC) has not been elucidated. In the present study we investigated the prognostic role of mRNA expression of each individual S100 in NSCLC patients through the Kaplan-Meier plotter (KM plotter) database. Expression of 14 members of the S100 family correlated with overall survival (OS) for all NSCLC patients; 18 members were associated with OS in adenocarcinoma, but none were associated with OS in squamous cell carcinoma...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29573741/hiv-1-tat-induced-diarrhea-is-improved-by-the-pparalpha-agonist-palmitoylethanolamide-by-suppressing-the-activation-of-enteric-glia
#9
Giovanni Sarnelli, Luisa Seguella, Marcella Pesce, Jie Lu, Stefano Gigli, Eugenia Bruzzese, Roberta Lattanzi, Alessandra D'Alessandro, Rosario Cuomo, Luca Steardo, Giuseppe Esposito
BACKGROUND: Diarrhea is a severe complication in HIV-1-infected patients with Trans-activator of transcription (HIV-1 Tat) protein being recognized as a major underlying cause. Beside its direct enterotoxic effects, Tat protein has been recently shown to affect enteric glial cell (EGC) activity. EGCs regulate intestinal inflammatory responses by secreting pro-inflammatory molecules; nonetheless, they might also release immune-regulatory factors, as palmytoilethanolamide (PEA), which exerts anti-inflammatory effects by activating PPARα receptors...
March 24, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29572925/correlating-s100b-with-disease-course-in-a-case-of-new-onset-acquired-thrombotic-thrombocytopenic-purpura-ttp-could-this-be-a-new-predictive-biomarker-in-ttp
#10
Patrick Kuhlman, Peter Miller, Andrew Farland, John Owen, Katharine Batt
Acute thrombotic thrombocytopenic purpura (TTP) is an aggressive thrombotic microangiopathy that if not treated, can have a 90% mortality rate. Clinical manifestations of this disease include profound thrombocytopenia, hemolytic anemia, and end-organ dysfunction. Neurologic symptoms can occur in 80% of patients and range from mild confusion to coma (Scully et al., Br J Haematol 142:819-826). Here, we present the clinical course of a patient diagnosed with new onset acquired TTP who presented with neurologic changes that waxed and waned during her disease course...
March 23, 2018: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/29568675/combined-prediction-of-mir-210-and-mir-374a-for-severity-and-prognosis-of-hypoxic-ischemic-encephalopathy
#11
Zhansheng Wang, Yulu Liu, Minkun Shao, Dong Wang, Ying Zhang
Background and Aim: Hypoxic-ischemic encephalopathy (HIE) is a disorder featured by hypoxic and ischemic damages during the perinatal period and its high mortality (i.e., 15%-20%) could be partly attributed to late diagnosis. Therefore, miR-210 and miR-374a were investigated to find if they could improve the diagnostic values of S100B protein and neuron-specific enolase (NSE) for HIE. Methods: Altogether 167 HIE newborns and 82 healthy newborns were recruited, and their blood were sampled for determining the levels of biomarkers...
January 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29557051/axonal-damage-is-remarkable-in-patients-with-acutely-worsening-symptoms-of-compression-myelopathy-biomarkers-in-cerebrospinal-fluid-samples
#12
Hiroshi Takahashi, Yasuchika Aoki, Arata Nakajima, Masato Sonobe, Fumiaki Terajima, Masahiko Saito, Takuya Miyamoto, Keita Koyama, Keiichiro Yamamoto, Takeo Furuya, Masao Koda, Seiji Ohtori, Masashi Yamazaki, Koichi Nakagawa
PURPOSE: To determine levels of biomarkers reflecting damage to axon, myelin, astrocytes, and neuron in cerebrospinal fluid (CSF) of patients with cervical compression myelopathy. METHODS: We collected 69 CSF samples from patients before spinal surgery for acutely worsening compression myelopathy (AM, 20), chronic compression myelopathy (CM, 20), and lumbar canal stenosis (LCS 29; control). We measured levels of phosphorylated neurofilament subunit H (pNF-H), tau (reflecting axonal damage), myelin basic protein (MBP) (reflecting demyelination), S100b (reflecting astrocyte damage), and neuron-specific enolase (NSE) (reflecting neuronal damage)...
March 19, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29529989/s100b-polymorphisms-are-associated-with-age-of-onset-of-parkinson-s-disease
#13
Camilla Fardell, Anna Zettergren, Caroline Ran, Andrea Carmine Belin, Agneta Ekman, Olof Sydow, Lars Bäckman, Björn Holmberg, Nil Dizdar, Peter Söderkvist, Hans Nissbrandt
BACKGROUND: In this study we investigated the association between SNPs in the S100B gene and Parkinson's disease (PD) in two independent Swedish cohorts. The SNP rs9722 has previously been shown to be associated with higher S100B concentrations in serum and frontal cortex in humans. S100B is widely expressed in the central nervous system and has many functions such as regulating calcium homeostasis, inflammatory processes, cytoskeleton assembly/disassembly, protein phosphorylation and degradation, and cell proliferation and differentiation...
March 12, 2018: BMC Medical Genetics
https://www.readbyqxmd.com/read/29513163/electrical-stimulation-promotes-regeneration-and-re-myelination-of-axons-of-injured-facial-nerve-in-rats
#14
Yue Deng, Yaping Xu, Huanhai Liu, Hu Peng, Qilei Tao, Hongyi Liu, Haibin Liu, Jian Wu, Xiaoping Chen, Jingping Fan
Objective To investigate the effects of electrical stimulation (ES) on the nerve regeneration and functional recovery of facial expression muscles in facial nerve defect rats. Methods Sixty rats were surgically introduced with a 1-cm defect on the right facial nerves and evenly divided into the Surgery group (Group A, the main trunk of the right facial nerve was surgically cut-off with a 1.0 cm at the foramina stylomastoideum) and the Surgery + ES group (Group B). Twenty normal rats were as normal control group (without receiving surgery or ES)...
March 2018: Neurological Research
https://www.readbyqxmd.com/read/29506554/effects-of-dexamethasone-on-the-li-pilocarpine-model-of-epilepsy-protection-against-hippocampal-inflammation-and-astrogliosis
#15
Adriana Fernanda K Vizuete, Fernanda Hansen, Elisa Negri, Marina Concli Leite, Diogo Losch de Oliveira, Carlos-Alberto Gonçalves
BACKGROUND: Temporal lobe epilepsy (TLE) is the most common form of partial epilepsy and is accompanied, in one third of cases, by resistance to antiepileptic drugs (AED). Most AED target neuronal activity modulated by ionic channels, and the steroid sensitivity of these channels has supported the use of corticosteroids as adjunctives to AED. Assuming the importance of astrocytes in neuronal activity, we investigated inflammatory and astroglial markers in the hippocampus, a key structure affected in TLE and in the Li-pilocarpine model of epilepsy...
March 5, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29506416/precise-nanoinjection-delivery-of-plasmid-dna-into-a-single-fibroblast-for-direct-conversion-of-astrocyte
#16
Hang-Soo Park, Hyosung Kwon, Jewon Yu, Yeonju Bae, Jae-Yong Park, Kyung-Ah Choi, Yeonho Choi, Sunghoi Hong
Direct conversion is a powerful approach to safely generate mature neural lineages with potential for treatment of neurological disorders. Astrocytes play a crucial role in neuronal homeostasis and their dysfunctions contribute to several neurodegenerative diseases. Using a single-cell approach for precision, we describe here a robust method using optimized DNA amounts for the direct conversion of mouse fibroblasts to astrocytes. Controlled amount of the reprogramming factors Oct4, Sox2, Klf4 and cMyc was directly delivered into a single fibroblast cell...
March 6, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29499206/deficiency-of-s100b-confers-resistance-to-experimental-diabetes-in-mice
#17
Forough Mohammadzadeh, James N Tsoporis, Shehla Izhar, Jean-Francois Desjardins, Thomas G Parker
The calcium binding protein S100B has been implicated in diabetic neuronal and vascular complications but has not been examined in the development of diabetes. S100B knock out (S100B KO) and wild-type (WT) mice were injected with 40 mg/kg body weight streptozotocin (STZ) for 5 days. Blood and pancreatic tissue samples were obtained to examine islet structure and function, the profile of glucose and insulin and expression of glucose transporter 2 (Glut2), S100B and its receptor, the receptor for advanced glycation end products (RAGE)...
April 1, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29484801/brain-injury-markers-s100-calcium-binding-protein-b-neuron-specific-enolase-and-glial-fibrillary-acidic-protein-in-children-with-diabetic-ketoacidosis
#18
Gönül Çatlı, Ahmet Anık, Sezer Acar, Tuncay Küme, Melike Karabulut, Özlem Gürsoy Çalan, Bumin Nuri Dündar, Ayhan Abacı
BACKGROUND: To investigate serum levels of brain injury markers in diabetic ketoacidosis (DKA) and the relation of these markers with clinical and radiological findings of brain injury and laboratory results. METHODS: Twenty-nine patients with DKA, 30 with type 1 diabetes mellitus (T1DM), and 35 healthy children were included. Clinical and laboratory findings, and the Glasgow Coma Scale (GCS) were recorded. In the DKA group, neuron-specific enolase (NSE), S100 calcium-binding protein B (S100B) and glial fibrillary acidic protein (GFAP) levels were measured at baseline and 6 and 12 hours after treatment...
February 27, 2018: Pediatric Diabetes
https://www.readbyqxmd.com/read/29478510/plasma-biomarkers-of-brain-injury-in-neonatal-hypoxic-ischemic-encephalopathy
#19
An N Massaro, Yvonne W Wu, Theo K Bammler, Bryan Comstock, Amit Mathur, Robert C McKinstry, Taeun Chang, Dennis E Mayock, Sarah B Mulkey, Krisa Van Meurs, Sandra Juul
OBJECTIVES: To evaluate plasma brain specific proteins and cytokines as biomarkers of brain injury in newborns with hypoxic-ischemic encephalopathy (HIE) and, secondarily, to assess the effect of erythropoietin (Epo) treatment on the relationship between biomarkers and outcomes. STUDY DESIGN: A study of candidate brain injury biomarkers was conducted in the context of a phase II multicenter randomized trial evaluating Epo for neuroprotection in HIE. Plasma was collected at baseline (<24 hours) and on day 5...
March 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29471249/post-mortem-biochemistry-of-nse-and-s100b-a-supplemental-tool-for-detecting-a-lethal-traumatic-brain-injury
#20
Monique Sieber, Jan Dreßler, Heike Franke, Dirk Pohlers, Benjamin Ondruschka
PURPOSE: Traumatic brain injury (TBI) is a very common entity that leads to numerous fatalities all over the world. Therefore, forensic pathologists are in desperate need of supplemental methodological tools for the diagnosis of TBI in everyday practice besides the standard autopsy. The present study determined post-mortem neuron specific enolase (NSE) and S100 calcium-binding protein B (S100B) levels as biological markers of an underlying TBI in autopsy cases. METHODS: Paired serum and CSF samples of 92 fatalities were collected throughout routine autopsies...
April 2018: Journal of Forensic and Legal Medicine
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