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https://www.readbyqxmd.com/read/29038465/nmi-and-ifp35-serve-as-proinflammatory-damps-during-cellular-infection-and-injury
#1
Zhikai Xiahou, Xiangli Wang, Juan Shen, Xiaoxiao Zhu, Feng Xu, Rong Hu, Deyin Guo, Henan Li, Yong Tian, Yingfang Liu, Huanhuan Liang
Damage-associated molecular patterns (DAMP) trigger innate immune response and exacerbate inflammation to combat infection and cellular damage. Identifying DAMPs and revealing their functions are thus of crucial importance. Here we report that two molecules, N-myc and STAT interactor (NMI) and interferon-induced protein 35 (IFP35) act as DAMPs and are released by activated macrophages during lipopolysaccharide-induced septic shock or acetaminophen-induced liver injury. We show that extracellular NMI and IFP35 activate macrophages to release proinflammatory cytokines by activating nuclear factor-κB through the Toll-like receptor 4 pathway...
October 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/29030066/etoposide-induced-nmi-promotes-cell-apoptosis-by-activating-the-arf-p53-signaling-pathway-in-lung-carcinoma
#2
Dan Song, Jiabao Zhao, Chen Su, Ying Jiang, Jingjing Hou
Lung carcinoma is one of the leading causes of cancer-related death. The N-Myc and STATs interactor (NMI) has been reported to take participate in lots of physiological processes, but the involvement and functional mechanisms of NMI in lung carcinoma are poorly understood. In this study, we found that etoposide induces proliferation suppression, cell apoptosis and increases caspase-3 activity in A549 cells. Furthermore, etoposide treatment up-regulates the expression of NMI and ARF, enhances the interaction of NMI and ARF and promotes the p53 transcriptional activities...
October 10, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29025423/downregulation-of-nmi-promotes-tumor-growth-and-predicts-poor-prognosis-in-human-lung-adenocarcinomas
#3
Jingshu Wang, Kun Zou, Xu Feng, Miao Chen, Cong Li, Ranran Tang, Yang Xuan, Meihua Luo, Wangbing Chen, Huijuan Qiu, Ge Qin, Yixin Li, Changlin Zhang, Binyi Xiao, Lan Kang, Tiebang Kang, Wenlin Huang, Xinfa Yu, Xiaojun Wu, Wuguo Deng
BACKGROUND: N-myc (and STAT) interactor (NMI) plays vital roles in tumor growth, progression, and metastasis. In this study, we identified NMI as a potential tumor suppressor in lung cancer and explored its molecular mechanism involved in lung cancer progression. METHODS: Human lung cancer cell lines and a mouse xenograft model was used to study the effect of NMI on tumor growth. The expression of NMI, COX-2 and relevant signaling proteins were examined by Western blot...
October 12, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28913576/interferon-activates-promoter-of-nmi-gene-via-interferon-regulator-factor-1
#4
Xiao Xu, Keli Chai, Yuhang Chen, Yongquan Lin, Suzhen Zhang, Xin Li, Wentao Qiao, Juan Tan
N-Myc interactor (Nmi) is reported to participate in many activities, such as signaling transduction, transcription regulation, and antiviral responses. As Nmi may play important roles in interferon (IFN)-induced responses, we investigated the mechanism how Nmi protein is regulated. We identified and cloned the promoter of Nmi gene. Sequence analysis and luciferase assays shown that an IFN-stimulated response element (ISRE) and a GC box in the promoter were essential for the basal transcription activity of Nmi gene...
September 14, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28910683/the-coordination-of-shoulder-girdle-muscles-during-repetitive-arm-movements-at-either-slow-or-fast-pace-among-women-with-or-without-neck-shoulder-pain
#5
Leticia Bergamin Januario, Ana Beatriz Oliveira, Marina Machado Cid, Pascal Madeleine, Afshin Samani
PURPOSE: The aim of this study was to evaluate the coordination of the shoulder girdle muscles among subjects with or without neck-shoulder pain performing repetitive arm movement at either a slow or fast pace. METHODS: Thirty female adults were allocated to one of two groups-healthy controls or cases with neck-shoulder pain. Surface electromyography (sEMG) signals from the clavicular, acromial, middle and lower trapezius portions and the serratus anterior muscles were recorded during a task performed for 20min at a slow pace and 20min at a fast pace...
October 2017: Human Movement Science
https://www.readbyqxmd.com/read/28892241/seasonal-variations-in-the-profile-of-main-phospholipids-in-mytilus-galloprovincialis-mussels-a-study-by-hydrophilic-interaction-liquid-chromatography-electrospray-ionization-fourier-transform-mass-spectrometry
#6
Laura Facchini, Ilario Losito, Tommaso R I Cataldi, Francesco Palmisano
A systematic characterization of phosphatidylcholines (PC) and phosphatidylethanolamines (PE) in mussels of sp. Mytilus galloprovincialis was performed by high efficiency Hydrophilic Interaction LIquid Chromatography (HILIC) combined with ElectroSpray Ionization (ESI) and Fourier-Transform Mass Spectrometry (FTMS), based on a quadrupole-Orbitrap hybrid spectrometer. FTMS/MS experiments under high-collisional energy dissociation (HCD) conditions, complemented by low energy collisionally induced dissociation (CID) MS(n) (n = 2,3) experiments, performed in a linear ion trap mass spectrometer, were exploited for structural elucidation purposes...
September 11, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28889377/molecular-subtype-profiling-of-urothelial-carcinoma-using-a-subtype-specific-immunohistochemistry-panel
#7
Gottfrid Sjödahl
Molecular subtypes of bladder cancer (BC) can be determined by relatively small immunohistochemistry panels both for non-muscle invasive (NMI) and muscle invasive (MI) tumors. For analysis of NMI tumors, as few as two markers are needed, although classification is dependent also on pathological grade and histological evaluation. The result is a classification into the three tumor-cell phenotypes of NMI-BC, Urothelial-like (Uro), Genomically Unstable (GU), and Basal/SCC-like. For analysis of MI tumors, 13 markers are needed...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28854199/ultrasound-2d-strain-measurement-for-arm-lymphedema-using-deformable-registration-a-feasibility-study
#8
Xiaofeng Yang, Mylin Torres, Stephanie Kirkpatrick, Walter J Curran, Tian Liu
PURPOSE: Lymphedema, a swelling of the extremity, is a debilitating morbidity of cancer treatment. Current clinical evaluation of lymphedema is often based on medical history and physical examinations, which is subjective. In this paper, the authors report an objective, quantitative 2D strain imaging approach using a hybrid deformable registration to measure soft-tissue stiffness and assess the severity of lymphedema. METHODS: The authors have developed a new 2D strain imaging method using registration of pre- and post-compression ultrasound B-mode images, which combines the statistical intensity- and structure-based similarity measures using normalized mutual information (NMI) metric and normalized sum-of-squared-differences (NSSD), with an affine-based global and B-spline-based local transformation model...
2017: PloS One
https://www.readbyqxmd.com/read/28776055/a-bis-pyridyl-n-alkylamine-cu-i-catalyst-system-for-aerobic-alcohol-oxidation
#9
Lindie Marais, Jordi Burés, Johan H L Jordaan, Selwyn Mapolie, Andrew J Swarts
Herein a bis(pyridyl)-N-alkylamine/Cu(I)/TEMPO/NMI catalyst system is reported for aerobic oxidation of a variety of primary alcohols to the corresponding aldehydes using readily available reagents, at room temperature and ambient air as the oxidant. ESI-MS analysis of the reaction showed the formation of a [(L1)(NMI)Cu(II)-OOH](+) species, which is a key intermediate in the alcohol oxidation reaction. Evaluation of the effect of reaction parameters on the initial rate of the reaction allowed us to obtain the optimum conditions for catalytic activity...
August 23, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28702641/-fefe-hydrogenase-h-cluster-mimics-mediated-by-naphthalene-monoimide-derivatives-of-peri-substituted-dichalcogenides
#10
Hassan Abul-Futouh, Yulian Zagranyarski, Carolin Müller, Martin Schulz, Stephan Kupfer, Helmar Görls, Mohammad El-Khateeb, Stefanie Gräfe, Benjamin Dietzek, Kalina Peneva, Wolfgang Weigand
Synthetic models of the active site of [FeFe]-hydrogenase containing naphthalene monoimide (NMI) of peri-substituted dichalcogenides as bridging linkers have been prepared and characterized using different spectroscopic methods. The influence of the imide functionality and the chalcogen atoms on the redox properties and the catalytic behaviour of complexes 7-10 was studied using cyclic voltammetry. The results revealed that the imide functionality has improved the chemical stability of the reduced species and the replacement of the S atoms by Se caused a cathodic shift in the oxidation peaks...
August 29, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28637835/do-copd-subtypes-really-exist-copd-heterogeneity-and-clustering-in-10-independent-cohorts
#11
Peter J Castaldi, Marta Benet, Hans Petersen, Nicholas Rafaels, James Finigan, Matteo Paoletti, H Marike Boezen, Judith M Vonk, Russell Bowler, Massimo Pistolesi, Milo A Puhan, Josep Anto, Els Wauters, Diether Lambrechts, Wim Janssens, Francesca Bigazzi, Gianna Camiciottoli, Michael H Cho, Craig P Hersh, Kathleen Barnes, Stephen Rennard, Meher Preethi Boorgula, Jennifer Dy, Nadia N Hansel, James D Crapo, Yohannes Tesfaigzi, Alvar Agusti, Edwin K Silverman, Judith Garcia-Aymerich
BACKGROUND: COPD is a heterogeneous disease, but there is little consensus on specific definitions for COPD subtypes. Unsupervised clustering offers the promise of 'unbiased' data-driven assessment of COPD heterogeneity. Multiple groups have identified COPD subtypes using cluster analysis, but there has been no systematic assessment of the reproducibility of these subtypes. OBJECTIVE: We performed clustering analyses across 10 cohorts in North America and Europe in order to assess the reproducibility of (1) correlation patterns of key COPD-related clinical characteristics and (2) clustering results...
June 21, 2017: Thorax
https://www.readbyqxmd.com/read/28492540/nmi-inhibits-cancer-stem-cell-traits-by-downregulating-htert-in-breast-cancer
#12
Xu Feng, Xiangdong Xu, Xiangsheng Xiao, Kun Zou, Wendan Yu, Jiali Wu, Ranran Tang, Yue Gao, Jiaojiao Hao, Xinrui Zhao, Yina Liao, Yiming Chen, Wenlin Huang, Wei Guo, Lan Kang, Wuguo Deng
N-myc and STAT interactor (NMI) has been proved to bind to different transcription factors to regulate a variety of signaling mechanisms including DNA damage, cell cycle and epithelial-mesenchymal transition. However, the role of NMI in the regulation of cancer stem cells (CSCs) remains poorly understood. In this study, we investigated the regulation of NMI on CSCs traits in breast cancer and uncovered the underlying molecular mechanisms. We found that NMI was lowly expressed in breast cancer stem cells (BCSCs)-enriched populations...
May 11, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28403908/permissiveness-of-bovine-epithelial-cells-from-lung-intestine-placenta-and-udder-for-infection-with-coxiella-burnetii
#13
Katharina Sobotta, Katharina Bonkowski, Elisabeth Liebler-Tenorio, Pierre Germon, Pascal Rainard, Nina Hambruch, Christiane Pfarrer, Ilse D Jacobsen, Christian Menge
Ruminants are the main source of human infections with the obligate intracellular bacterium Coxiella (C.) burnetii. Infected animals shed high numbers of C. burnetii by milk, feces, and birth products. In goats, shedding by the latter route coincides with C. burnetii replication in epithelial (trophoblast) cells of the placenta, which led us to hypothesize that epithelial cells are generally implicated in replication and shedding of C. burnetii. We therefore aimed at analyzing the interactions of C. burnetii with epithelial cells of the bovine host (1) at the entry site (lung epithelium) which govern host immune responses and (2) in epithelial cells of gut, udder and placenta decisive for the quantity of pathogen excretion...
April 12, 2017: Veterinary Research
https://www.readbyqxmd.com/read/28335553/biosynthesis-of-polyunsaturated-fatty-acids-in-octopus-vulgaris-molecular-cloning-and-functional-characterisation-of-a-stearoyl-coa-desaturase-and-an-elongation-of-very-long-chain-fatty-acid-4-protein
#14
Óscar Monroig, Rosa de Llanos, Inmaculada Varó, Francisco Hontoria, Douglas R Tocher, Sergi Puig, Juan C Navarro
Polyunsaturated fatty acids (PUFAs) have been acknowledged as essential nutrients for cephalopods but the specific PUFAs that satisfy the physiological requirements are unknown. To expand our previous investigations on characterisation of desaturases and elongases involved in the biosynthesis of PUFAs and hence determine the dietary PUFA requirements in cephalopods, this study aimed to investigate the roles that a stearoyl-CoA desaturase (Scd) and an elongation of very long-chain fatty acid 4 (Elovl4) protein play in the biosynthesis of essential fatty acids (FAs)...
March 21, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28316812/crystal-structure-of-1-methylimidazole-3-oxide-monohydrate
#15
Christopher S Frampton, James I Murray, Alan C Spivey
1-Methylimidazole 3-N-oxide (NMI-O) crystallizes as a monohydrate, C4H6N2O·H2O, in the monoclinic space group P21 with Z' = 2 (mol-ecules A and B). The imidazole rings display a planar geometry (r.m.s. deviations = 0.0008 and 0.0002 Å) and are linked in the crystal structure into infinite zigzag strands of ⋯NMI-O(A)⋯OH2⋯NMI-O(B)⋯OH2⋯ units by O-H⋯O hydrogen bonds. These chains propagate along the b-axis direction of the unit cell.
March 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28289791/-predictors-of-cognitive-outcome-in-ventilated-early-rehabilitation-patients
#16
M-D Heidler, L Bidu, H Völler, A Salzwedel
BACKGROUND: After weaning failure, patients who are transferred from intensive care units to early rehabilitation centers (ERC) not only suffer from motor deficits but also from cognitive deficits. It is still uncertain which patient factors have an impact on cognitive outcome at the end of early rehabilitation. OBJECTIVE: Investigation of predictors of cognitive performance for initially ventilated early rehabilitation patients. METHODS: A total of 301 patients (mean age 68...
March 13, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28269308/corticomuscular-coherence-variation-throughout-the-gait-cycle-during-overground-walking-and-ramp-ascent-a-preliminary-investigation
#17
Anna T Winslow, Justin Brantley, Fangshi Zhu, Jose L Contreras Vidal, He Huang
Recent designs of neural-machine interfaces (NMIs) incorporating electroencephalography (EEG) or electromyography (EMG) have been used in lower limb assistive devices. While the results of previous studies have shown promise, a NMI which takes advantage of early movement-related EEG activity preceding movement onset, as well as the improved signal-to-noise ratio of EMG, could prove to be more accurate and responsive than current NMI designs based solely on EEG or EMG. Previous studies have demonstrated that the activity of the sensorimotor cortex is coupled to the firing rate of motor units in lower limb muscles during voluntary contraction...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269307/tolerance-of-neural-decoding-errors-for-powered-artificial-legs-a-pilot-study
#18
Fan Zhang, Ming Liu, He Huang
Neural-machine interface (NMI) decoding errors challenge the clinical value of neural control of powered artificial legs, because these errors can dangerously disturb the user's walking balance, cause stumbles or falls, and thus threaten the user's confidence and safety in prosthesis use. Although extensive research efforts have been made to minimize the NMI decoding error rate, none of the current approaches can completely eliminate the errors in NMI. This study aimed at improving the robustness of prosthesis control system against neural decoding errors by introducing a fault-tolerant control (FTC) strategy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269086/estimating-the-progression-of-muscle-fatigue-based-on-dependence-between-motor-units-using-high-density-surface-electromyogram
#19
Adrian Bingham, Sridhar P Arjunan, Dinesh K Kumar
In this study we have tested the hypothesis regarding the increase in synchronization with the onset of muscle fatigue. For this aim, we have investigated the difference in the synchronicity between high density surface electromyogram (sEMG) channels of the rested muscles and when at the limit of endurance. Synchronization was measured by computing and normalizing the mutual information between the sEMG signals recorded from the high-density array electrode locations. Ten volunteers (Age range: 21 and 35 years; Mean age = 26 years; Male = 6, Female = 4) participated in our experiment...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28229337/novel-odd-chain-fatty-acids-with-a-terminal-double-bond-in-ovaries-of-the-limpet-cellana-toreuma
#20
Hideki Kawashima, Masao Ohnishi
Our previous study characterized highly diverse dienoic fatty acids (FA), in particular an uncommon non-methylene-interrupted (NMI) FA, in the ovaries of the Japanese limpet Cellana toreuma belonging to the archaeogastropods, but many minor chemically unidentified FA remain. In this study, among previously unidentified FA (less than 0.1% of total FA), four novel NMI FA with a terminal double bond [7,18-nonadecadienoic (19:2Δ7,18), 11,18-nonadecadienoic (19:2Δ11,18), 7,20-heneicosadienoic (21:2Δ7,20), and 11,20-heneicosadienoic (21:2Δ11,20) acids] were found, along with known 14-pentadecenoic (15:1Δ14), 16-heptadecenoic (17:1Δ16), and 9,18-nonadecadienoic (19:2Δ9,18) acids, based on capillary GC-MS of their methyl esters, 3-pyridylcarbinol derivatives, and argentation thin-layer chromatography...
April 2017: Lipids
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