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https://www.readbyqxmd.com/read/28226660/identifying-stereotypic-evolving-micro-scale-seizures-sems-in-the-hypoxic-ischemic-eeg-of-the-pre-term-fetal-sheep-with-a-wavelet-type-ii-fuzzy-classifier
#1
Hamid Abbasi, Laura Bennet, Alistair J Gunn, Charles P Unsworth, Hamid Abbasi, Laura Bennet, Alistair J Gunn, Charles P Unsworth, Charles P Unsworth, Laura Bennet, Hamid Abbasi, Alistair J Gunn
Perinatal hypoxic-ischemic encephalopathy (HIE) around the time of birth due to lack of oxygen can lead to debilitating neurological conditions such as epilepsy and cerebral palsy. Experimental data have shown that brain injury evolves over time, but during the first 6-8 hours after HIE the brain has recovered oxidative metabolism in a latent phase, and brain injury is reversible. Treatments such as therapeutic cerebral hypothermia (brain cooling) are effective when started during the latent phase, and continued for several days...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28215986/the-%C3%AE-4galt1-affects-the-fibroblast-like-synoviocytes-invasion-in-rheumatoid-arthritis-by-modifying-n-linked-glycosylation-of-cxcr3
#2
Chi Sun, Xinhui Zhu, Tao Tao, Dongmei Zhang, Yi Wang, Hua Xu, Yunli Ren, Youhua Wang
OBJECTIVE: The level of β-1,4-galactosyltransferase 1 (β4GalT1) is up-regulated in collagen-induced arthritis (CIA) mice. It is reported that CXC chemokine receptor 3 (CXCR3) can enhance the invasiveness of fibroblast-like synoviocytes (FLS) in rheumatoid arthritis (RA). This study aims to investigate the specific mechanism of β4GalT1 and relationship between β4GalT1 and CXCR3 in RA. METHODS: The model of CIA mice was established to explore the role of β4GalT1...
February 10, 2017: European Journal of Cell Biology
https://www.readbyqxmd.com/read/28211035/resveratrol-decreases-foxo-protein-expression-through-pi3k-akt-dependent-pathway-inhibition-in-h2o2-treated-synoviocytes
#3
Bin Xu, Gaoyuan Wang, Junqiang Zhang, Wei Cao, Xiaoyu Chen
The aim of this study was to investigate the effects of resveratrol (Res) on hydrogen peroxide (H2O2)-treated fibroblast-like synoviocytes (FLSs) in vitro. We studied the phosphoinositide 3-kinase (PI3K)-Akt pathway inhibition-mediated effects of Res on forkhead box O (FoXO) mRNA expression levels. FLS viability was determined by Cell Counting Kit-8 (CCK-8) assay, and FLS apoptosis was measured by terminal deoxyribo nucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) staining and flow cytometry...
February 17, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28192100/disease-modifying-anti-rheumatic-activity-of-the-alkaloid-montanine-on-experimental-arthritis-and-fibroblast-like-synoviocytes
#4
Mirian Farinon, Vanessa S Clarimundo, Graziele P R Pedrazza, Pércio S Gulko, José A S Zuanazzi, Ricardo M Xavier, Patricia G de Oliveira
Montanine is an alkaloid isolated from Rhodophiala bifida bulb with potential anti-arthritic activity. In this context, we evaluated whether montanine has a disease modifying anti-rheumatic activity in two arthritis models and its effect in vitro on lymphocyte proliferation and on invasiveness of fibroblast-like synoviocytes (FLS). Antigen-induced arthritis (AIA) was performed in Balb/C mice with methylated bovine serum albumin, and nociception and leukocytes migration into the knee joint were evaluated. Collagen-induced arthritis (CIA) was performed in DBA/1J mice, and arthritis development and severity were assessed by clinical and histological scoring and articular nociception...
February 10, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28187781/priming-in-response-to-pro-inflammatory-cytokines-is-a-feature-of-adult-synovial-but-not-dermal-fibroblasts
#5
Thomas Crowley, John D O'Neil, Holly Adams, Andrew M Thomas, Andrew Filer, Christopher D Buckley, Andrew R Clark
BACKGROUND: It has been hypothesized that chronic inflammatory diseases such as rheumatoid arthritis (RA) may be caused by a failure of negative feedback mechanisms. This study sought to examine negative feedback mechanisms in fibroblast-like synoviocytes (FLS), one of the most abundant cell types in the joint. We hypothesized that prior exposure of healthy FLS to an inflammatory stimulus would attenuate their responses to a second inflammatory stimulus, in the same way that negative feedback mechanisms desensitize macrophages to repeated stimulation by lipopolysaccharide...
February 10, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28187436/dishevelled2-promotes-apoptosis-and-inhibits-inflammatory-cytokine-secretion-in-rheumatoid-arthritis-fibroblast-like-synoviocytes-through-crosstalk-with-the-nf-%C3%AE%C2%BAb-pathway
#6
Xing Zhen Liu, Jie Fan, Ke Qi, Shu Peng Liu, Wei Dong Xu, Ying Gao, Xiao Dan Gu, Jia Li, Chen Guang Bai, Ye Qing Shi, Lan Ling Zhang, Dong Bao Zhao
Dishevelled (Dvl) not only links the canonical Wnt and non-canonical Wnt pathways but can also crosstalk with other pathways. As there is no systematic study to date on Dvl in rheumatoid arthritis (RA), we explored the impact of Dvl2 on proliferation and inflammatory cytokine secretion in RA fibroblast-like synoviocytes (FLSs). Expression of Dvl2 in RA synovial tissue and RA-FLSs was measured. Dvl2 was overexpressed in collagen-induced arthritis rats and human RA-FLSs,. the apoptosis and secretion of inflammatory cytokines were observed...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28155836/fracture-liaison-services-polish-experience-methods-of-secondary-prevention-of-osteoporotic-fractures
#7
Jarosław Amarowicz, Edward Czerwiński, Katarzyna Zając, Anna Kumorek
BACKGROUND: Fragility fractures are a major challenge to health systems around the world. The risk of a subsequent fracture may increase even 11-fold after one's first fracture event. A coordinator-based system (Fracture Liaison Services) was established in Poland in order to fill the gap in the care of patients with osteoporotic fractures. In the past years, the FLS has become a crucial part of orthopaedic facilities worldwide, bringing benefits to patients and savings to health systems' budgets...
November 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28155141/compliance-to-the-joint-commission-proposed-core-measure-set-on-osteoporosis-associated-fracture-review-of-different-secondary-fracture-prevention-programs-in-an-open-medical-system-from-2010-to-2015
#8
Ma Conchitina Fojas, Lauren T Southerland, Laura S Phieffer, Julie A Stephens, Tanya Srivastava, Steven W Ing
: There are care gaps in the evaluation and treatment of osteoporosis after a fragility fracture. The Joint Commission is considering adoption of core measures. We compared compliance between two secondary fracture prevention programs in our institution. Incorporating strengths of both may provide the best outcomes for secondary fracture prevention. PURPOSE: There are significant care gaps in the evaluation and treatment of osteoporosis after occurrence of fragility fracture...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28151034/sfrp3-and-dkk1-regulate-fibroblast-like-synoviocytes-markers-and-wnt-elements-expression-depending-on-cellular-context
#9
Dorra Elhaj Mahmoud, Nadia Sassi, Ghassen Drissi, Maher Barsaoui, Khaled Zitouna, Hela Sahli, Maryam Kallel-Sellami, Lassad Kanoun, Elhem Cheour, Lilia Laadhar
CONTEXT: Fibroblast-like synoviocytes (FLS) from rheumatoid arthritis (RA) display pathogenic behavior. Various members of the Wnt pathway, especially the canonical Wnt/β-catenin cascade, may contribute to autonomous RA FLS activation. It has been shown that the two Wnt inhibitors: sFRP3 and DKK1 contribute to several critical aspects of joint biology. However, their effects on RA FLS are poorly characterized. The aim of our study was to investigate the effects of sFRP3 and DKK1 on FLS markers, Wnt components, and target oncogenes expression by RA FLS and compare the findings to osteoarthritic (OA) FLS...
February 2, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28150360/tnfr1-and-tnfr2-differentially-mediate-tnf-%C3%AE-induced-inflammatory-responses-in-rheumatoid-arthritis-fibroblast-like-synoviocytes
#10
Hongfeng Zhang, Weiguo Xiao
TNF-α has long been implicated in the progression of rheumatoid arthritis (RA). However, how the receptors of TNF-α, namely TNFR1 and TNFR2, mediate TNF-α-induced inflammatory responses in fibroblast-like synoviocytes (FLS) in RA has not been elucidated. In the present study, primary FLS cells were isolated from RA patients and treated with TNF-α in vitro. The exogenous TNF-α induced the expression and release of endogenous TNF-α in FLS. In addition, TNF-α led to gradual downregulation of TNFR1 following 1 h treatment...
February 2, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28138707/lnc%C3%A2-il7r-promotes-the-growth-of-fibroblast%C3%A2-like-synoviocytes-through-interaction-with-enhancer-of-zeste-homolog-2-in-rheumatoid-arthritis
#11
Zhao Ye, Juan Xu, Shukui Li, Cheng Cai, Tiejun Li, Lishan Sun
Rheumatoid arthritis (RA) is an inflammatory and autoimmune disease that affects ~1% of the world's population. Although the precise mechanism of RA has yet to be elucidated, accumulating evidence suggests that fibroblast‑like synoviocytes (FLSs) serve critical roles in the initiation and progression of RA. However, the underlying molecular mechanisms of FLS proliferation have yet to be elucidated. Long noncoding‑interleukin‑7 receptor (lnc‑IL7R) has been recently identified, which is activated by lipopolysaccharide (LPS) stimulation and diminishes the LPS‑induced inflammatory response...
January 26, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28138228/fracture-liaison-services-improving-outcomes-for-patients-with-osteoporosis
#12
REVIEW
Samuel Walters, Tanvir Khan, Terence Ong, Opinder Sahota
Fragility fractures are sentinels of osteoporosis, and as such all patients with low-trauma fractures should be considered for further investigation for osteoporosis and, if confirmed, started on osteoporosis medication. Fracture liaison services (FLSs) with varying models of care are in place to take responsibility for this investigative and treatment process. This review aims to describe outcomes for patients with osteoporotic fragility fractures as part of FLSs. The most intensive service that includes identification, assessment and treatment of patients appears to deliver the best outcomes...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28113536/evolutionary-fuzzy-block-matching-based-camera-raw-image-denoising
#13
Chin-Chang Yang, Shu-Mei Guo, Jason Sheng-Hong Tsai
An evolutionary fuzzy block-matching-based image denoising algorithm is proposed to remove noise from a camera raw image. Recently, a variance stabilization transform is widely used to stabilize the noise variance, so that a Gaussian denoising algorithm can be used to remove the signal-dependent noise in camera sensors. However, in the stabilized domain, the existed denoising algorithm may blur too much detail. To provide a better estimate of the noise-free signal, a new block-matching approach is proposed to find similar blocks by the use of a type-2 fuzzy logic system (FLS)...
October 3, 2016: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28102843/il-17-mediated-mitochondrial-dysfunction-impairs-apoptosis-in-rheumatoid-arthritis-synovial-fibroblasts-through-activation-of-autophagy
#14
Eun Kyung Kim, Jeong-Eun Kwon, Seon-Young Lee, Eun-Jung Lee, Da Som Kim, Su-Jin Moon, Jennifer Lee, Seung-Ki Kwok, Sung-Hwan Park, Mi-La Cho
Fibroblast-like synoviocytes (FLSs) are a major cell population of the pannus that invades cartilage and bone in rheumatoid arthritis (RA). FLS resistance to apoptosis is a major characteristic of RA. The aims of this study were to investigate the effects of interleukin-17 (IL-17) and IL-17-producing T helper (Th17) cells on resistance to apoptosis in FLSs from RA patients (RA FLSs) and their roles in mitochondrial dysfunction and autophagy. Mitochondrial function was assessed in RA FLSs and FLSs from osteoarthritis patients (OA FLSs)...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28102734/fibroblast-like-synoviocytes-dependent-effector-molecules-as-a-critical-mediator-for-rheumatoid-arthritis-current-status-and-future-directions
#15
Ramamoorthi Ganesan, Mahaboobkhan Rasool
Rheumatoid arthritis (RA) is a systemic-autoimmune-mediated disease characterized by synovial hyperplasia and progressive destruction of joint. Currently available biological agents and inhibitor therapy that specifically target tumor necrosis factor-α, interleukin 1β (IL-1β), IL-6, T cells, B cells, and subcellular molecules (p38 mitogen-activated protein kinase and janus kinase) cannot facilitate complete remission in all patients and are unable to cure the disease. Therefore, further potent therapeutic targets need to be identified for effective treatment and successful clinical outcomes in patients with RA...
January 2, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28095856/baff-index-and-cxcl13-levels-in-the-cerebrospinal-fluid-associate-respectively-with-intrathecal-igg-synthesis-and-cortical-atrophy-in-multiple-sclerosis-at-clinical-onset
#16
M Puthenparampil, L Federle, S Miante, A Zito, E Toffanin, S Ruggero, M Ermani, S Pravato, D Poggiali, P Perini, F Rinaldi, P Gallo
BACKGROUND: B lymphocytes are thought to play a relevant role in multiple sclerosis (MS) pathology. The in vivo analysis of intrathecally produced B cell-related cytokines may help to clarify the mechanisms of B cell recruitment and immunoglobulin production within the central nervous system (CNS) in MS. METHODS: Paired cerebrospinal fluid (CSF) and serum specimens from 40 clinically isolated syndrome suggestive of MS or early-onset relapsing-remitting MS patients (CIS/eRRMS) and 17 healthy controls (HC) were analyzed for the intrathecal synthesis of IgG (quantitative formulae and IgG oligoclonal bands, IgGOB), CXCL13, BAFF, and IL-21...
January 17, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28075411/tamaractam-a-new-bioactive-lactam-from-tamarix-ramosissima-induces-apoptosis-in-rheumatoid-arthritis-fibroblast-like-synoviocytes
#17
Yao Yao, Cheng-Shuai Jiang, Na Sun, Wei-Qi Li, Yang Niu, Huai-Qin Han, Zhen-Hua Miao, Xun-Xia Zhao, Jing Zhao, Juan Li
Chemical investigation of Tamarix ramosissima Ledeb, a traditional herbal medicine used for rheumatoid arthritis (RA) treatment in northwest China, led to the discovery of a new phenolic aromatic rings substituted lactam, tamaractam (1), together with the previously reported compounds cis-N-feruloyl-3-O-methyldopamine (2) and trans-N-feruloyl-3-O-methyldopamine (3). The structures of the compounds were determined by high resolution electrospray ionization mass spectroscopy (HRESIMS) and 1D and 2D-NMR experiments, as well as comparison with the literature data...
January 10, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28053286/increased-autophagy-in-fibroblast-like-synoviocytes-leads-to-immune-enhancement-potential-in-rheumatoid-arthritis
#18
Ru Yang, Yingzi Zhang, Lin Wang, Ji Hu, Jian Wen, Leixi Xue, Mei Tang, Zhichun Liu, Jinxiang Fu
The incidence of rheumatoid arthritis (RA) has been reported to be correlated with a disorder of immunregulation. Rheumatoid arthritis fibroblast-like synoviocytes (RA-FLSs) play an important role in regulating the local immune microenvironment. However, the potential mechanism of RA-FLS in regulating the immnue response is not clearly understood. In this study, we demonstrated that the expression of HIF-1α was significantly up-regulated in rheumatoid arthritis tissue which indicated that the hypoxia condition in the microenvironment...
28, 2016: Oncotarget
https://www.readbyqxmd.com/read/28038709/signet-ring-cell-lymphoma-clinicopathologic-immunohistochemical-and-fluorescence-in-situ-hybridization-studies-of-7-cases
#19
Shanxiang Zhang, Jihong Sun, Yanan Fang, Mehdi Nassiri, Lanting Liu, Jiehao Zhou, Ryan Stohler, Haki Choi, Gail H Vance
CONTEXT: Signet-ring cell lymphoma (SRCL) is a rare morphologic variant of non-Hodgkin lymphoma. Although it was initially reported as a rare morphologic variant of follicular lymphoma (FL), SRCL has to date been described in most types of non-Hodgkin lymphoma, mostly as single-case reports. OBJECTIVE: To study SRCL systematically by immunohistochemical stains and fluorescent in situ hybridization analyses. DESIGN: Seven SRCL cases were stained for CD3, CD5, CD20, PAX-5, CD10, CD21, CD23, cyclin D1, BCL2, BCL6, Ki-67, and MUM-1, and were analyzed by fluorescent in situ hybridization for BCL2, BCL6, MYC, and MALT1 rearrangements...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28035365/matrine-induces-the-apoptosis-of-fibroblast-like-synoviocytes-derived-from-rats-with-collagen-induced-arthritis-by-suppressing-the-activation-of-the-jak-stat-signaling-pathway
#20
Yongsheng Yang, Qiumei Dong, Rongheng Li
The induction of apoptosis-resistant rheumatoid synovial tissue cells has been related to constitutively active Janus kinase/signal transducers and activators of transcription (JAK/STAT) signaling in rheumatoid arthritis (RA). The excessive proliferation and inherent resistance to apoptosis of fibroblast-like synoviocytes (FLS) is an important mechanism by which RA originates. However, the effects of matrine on FLS in RA is unclear. The present study aimed to investigate the mechanism of action of matrine in a rat model of collagen‑induced arthritis (CIA)...
February 2017: International Journal of Molecular Medicine
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