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https://www.readbyqxmd.com/read/28447210/mitf-suppression-by-ch5552074-inhibits-cell-growth-in-melanoma-cells
#1
Satoshi Aida, Yukiko Sonobe, Munehiro Yuhki, Kiyoaki Sakata, Toshihiko Fujii, Hiroshi Sakamoto, Takakazu Mizuno
PURPOSE: Although treatment of melanoma with BRAF inhibitors and immune checkpoint inhibitors achieves a high response rate, a subset of melanoma patients with intrinsic and acquired resistance are insensitive to these therapeutics, so to improve melanoma therapy other target molecules need to be found. Here, we screened our chemical library to identify an anti-melanoma agent and examined its action mechanisms to show cell growth inhibition activity. METHODS: We screened a chemical library against multiple skin cancer cell lines and conducted ingenuity pathway analysis (IPA) to investigate the mechanisms of CH5552074 activity...
April 26, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28446576/diagnostic-value-of-the-galactomannan-antigen-test-in-serum-and-bronchoalveolar-lavage-fluid-samples-from-patients-with-non-neutropenic-invasive-pulmonary-aspergillosis
#2
Wei Zhou, Hongxing Li, Yan Zhang, Mei Huang, Qian He, Pei Li, Fang Zhang, Yi Shi, Xin Su
Objective: To compare the diagnostic value of galactomannan (GM) detection in bronchoalveolar lavage fluid (BALF) and serum samples from non-neutropenic patients with invasive pulmonary aspergillosis (IPA), and determine the optimal BALF GM cut-off value for pulmonary aspergillosis.Methods: GM detection in BALF and serum samples was performed by enzyme-linked immunosorbent assay (ELISA) in 128 patients with clinically suspected non-neutropenic pulmonary aspergillosis between June 2014 and June 2016. On the basis of the clinical and pathological diagnoses, 8 patients were excluded because their diagnosis was uncertain...
April 26, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28445159/invasive-pulmonary-aspergillosis-in-patients-with-chronic-obstructive-pulmonary-disease-a-case-report-and-review-of-the-literature
#3
Zhiyao Bao, Hong Chen, Min Zhou, Guochao Shi, Qingyun Li, Huanying Wan
Invasive pulmonary aspergillosis (IPA) is an infection that often occurs in immunocompromised patients and has a high mortality rate. In recent years, the reported incidence of IPA in the context of chronic obstructive pulmonary disease (COPD) has seemingly increased. The combination of factors such as long-term corticosteroid use, increasing rate of bacterial exacerbations over time, lung immune imbalance, and malnutrition are responsible for the emergence of IPA in COPD patients. A diagnosis of IPA in COPD patients is difficult to make, which explains the delay in antifungal therapy and the high mortality rate...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28440496/pu-1-serves-a-critical-role-in-the-innate-defense-against-aspergillus%C3%A2-fumigatus-via-dendritic-cell-associated-c-type-lectin-receptor-1-and-toll-like-receptors-2-and-4-in-thp-1-derived-macrophages
#4
Chenyang Liu, Min Wang, Wenkui Sun, Feng Cai, Shen Geng, Xin Su, Yi Shi
Aspergillus fumigatus (A. fumigatus) is one of the most common fungal pathogens of invasive pulmonary aspergillosis (IPA), which may be life threatening in immunocompromised individuals. The dendritic cell-associated C-type lectin receptor (Dectin-1), toll‑like receptor (TLR)-2 and TLR-4 are major pattern recognition receptors in alveolar macrophages that recognize A. fumigatus components. The PU.1 transcription factor is known to be important for the transcriptional control of these three receptors in mature macrophages...
April 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28436385/structural-and-magnetic-properties-of-spin-1-2-dimer-compound-cu-_2-ipa-_2-dmf-h-_2-o-with-a-large-spin-gap
#5
S Thamban, Arjun U, M Padmanabhan, Ramesh Chandra Nath
We present the synthesis and a detailed investigation of structural and magnetic properties of metal-organic compound Cu$_2$(IPA)$_2$(DMF)(H$_2$O) by means of x-ray diffraction, magnetization, and heat capacity measurements. Single crystals of the title compound were synthesized by judicious selection of organic ligand and employing a selective hydrothermal reaction route. It crystallizes in an orthorhombic structure with space group $Cmca$. The structural analysis revealed that two Cu$^{2+}$ ions are held together by the organic component (-O-C-O-) in a square paddle-wheel to form spin dimers which are aligned perpendicular to each other and are further coupled through organic ligands (isophthalic acid) forming two-dimensional layers...
April 24, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28435518/sparc-overexpression-alters-microrna-expression-profiles-involved-in-tumor-progression
#6
Bhavesh K Ahir, Nasya M Elias, Sajani S Lakka
Medulloblastoma is the most common malignant brain tumor in children. SPARC (secreted protein acidic and rich in cysteine), a multicellular non-structural glycoprotein is known to be involved in multiple processes in various cancers. Previously, we reported that SPARC expression significantly impairs medulloblastoma tumor growth in vitro and in vivo and also alters chemo sensitivity. MicroRNAs are a class of post-transcriptional gene regulators with critical functions in tumor progression. In addition, microRNA (miRNA) expression changes are also involved in chemo-resistance...
January 2017: Genes & Cancer
https://www.readbyqxmd.com/read/28429890/prevalence-of-the-reversed-halo-sign-in-neutropenic-patients-compared-with-non-neutropenic-patients-data-from-a-single-centre-study-involving-27-patients-with-pulmonary-mucormycosis-2003-2016
#7
Jessie Bourcier, Pierre-Marie Heudes, Florent Morio, Thomas Gastinne, Patrice Chevallier, Fanny Rialland-Battisti, Claire Garandeau, Isabelle Danner-Boucher, Patrice Le Pape, Eric Frampas, Philippe Moreau, Claire Defrance, Pierre Peterlin
Pulmonary mucormycosis (PM) is a life-threatening infection and the diagnosis can be challenging. The objective was to retrospectively explore the value of the RHS in our cohort of 27 patients with mucormycosis and its relation to neutropenia. This was a retrospective study including all patients with a diagnosis of probable or proven invasive PM according to the 2008 EORTC/MSG criteria between September 2003 to April 2016. Fisher's exact test and Mann-Whitney test, with a P-value statistically significant under ...
April 21, 2017: Mycoses
https://www.readbyqxmd.com/read/28427928/objective-versus-subjective-measures-of-executive-functions-predictors-of-participation-and-quality-of-life-in-parkinson-s-disease
#8
Thialda T Vlagsma, Janneke Koerts, Oliver Tucha, Hilde T Dijkstra, Annelien A Duits, Teus van Laar, Jacoba M Spikman
OBJECTIVE: To determine whether objective (neuropsychological tests) and subjective measures (questionnaires) of executive functions (EF) are associated in patients with Parkinson's disease (PD) and to determine to what extent level of participation and QoL of PD patients can be predicted by these measures of EF. DESIGN: Correlational research design (case-control and prediction design). SETTING: Assessment took place at departments of Neuropsychology of three medical centers in The Netherlands...
April 17, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28425934/evaluation-of-the-effects-of-airborne-particulate-matter-on-bone-marrow-mesenchymal-stem-cells-bm-mscs-cellular-molecular-and-systems-biological-approaches
#9
Muhammad Abu-Elmagd, Mansour A Alghamdi, Magdy Shamy, Mamdouh I Khoder, Max Costa, Mourad Assidi, Roaa Kadam, Haneen Alsehli, Mamdooh Gari, Peter Natesan Pushparaj, Gauthaman Kalamegam, Mohammed H Al-Qahtani
Particulate matter (PM) contains heavy metals that affect various cellular functions and gene expression associated with a range of acute and chronic diseases in humans. However, the specific effects they exert on the stem cells remain unclear. Here, we report the effects of PM collected from the city of Jeddah on proliferation, cell death, related gene expression and systems of biological analysis in bone marrow mesenchymal stem cells (BM-MSCs), with the aim of understanding the underlying mechanisms. PM2...
April 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28424416/loss-of-thyroid-hormone-receptor-interactor-13-inhibits-cell-proliferation-and-survival-in-human-chronic-lymphocytic-leukemia
#10
Keshu Zhou, Wentao Zhang, Qing Zhang, Ruirui Gui, Huifang Zhao, Xiaofei Chai, Yufu Li, Xudong Wei, Yongping Song
BACKGROUND: The genetic regulation of apoptosis and cell proliferation plays a role in the growth of chronic lymphocytic leukemia (CLL), the most common form of leukemia in the Western hemisphere. Although thyroid hormone receptor interactors (TRIPs) are known to play roles in cell cycle, the potential involvement of the novel family member TRIP13 in CLL has not yet been investigated. METHODS: Quantitative PCR (qPCR) was used to detect expression of TRIP13 in 36 CLL patients and 33 healthy donors CD19+ B cells...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28419107/characterization-of-a-transgenic-mouse-model-exhibiting-spontaneous-lung-adenocarcinomas-with-a-metastatic-phenotype
#11
Hsuen-Wen Chang, Zih-Miao Lin, Min-Ju Wu, Li-Yu Wang, Yen-Hung Chow, Shih Sheng Jiang, Hui-Ju Ch'ang, Vincent Hs Chang
Developing lung cancer in mouse models that display similarities of both phenotype and genotype will undoubtedly provide further and better insights into lung tumor biology. Moreover, a high degree of pathophysiological similarity between lung tumors from mouse models and their human counterparts will make it possible to use these mouse models for preclinical tests. Ovine pulmonary adenocarcinomas (OPAs) present the same symptoms as adenocarcinomas in humans and are caused by a betaretrovirus. OPAs have served as an exquisite model of carcinogenesis for human lung adenocarcinomas...
2017: PloS One
https://www.readbyqxmd.com/read/28410545/lps-stimulation-of-cord-blood-reveals-a-newborn-specific-neutrophil-transcriptomic-response-and-cytokine-production
#12
Brittany Mathias, Juan C Mira, Jonathan P Rehfuss, Jaimar C Rincon, Ricardo Ungaro, Dina C Nacionales, M Cecilia Lopez, Henry V Baker, Lyle L Moldawer, Shawn D Larson
BACKGROUND: The neonatal innate immune system differs to microbial infection both quantitatively and qualitatively when compared with adults. Here, we provide the first genome-wide ex-vivo expression profile of umbilical cord blood (UCB) neutrophils from full-term infants prior to and in response to whole-blood lipopolysaccharide (LPS) stimulation. Additionally, we provide cytokine expression prior to and following LPS stimulation. The genomic expression and cytokine profile are compared with LPS-stimulated whole blood from healthy adult subjects (HC)...
May 2017: Shock
https://www.readbyqxmd.com/read/28409653/constitutive-expression-of-il-22-in-the-human-intervertebral-disc-and-its-reduction-by-exposure-to-pro-inflammatory-cytokines-in-vitro
#13
H E Gruber, E Marrero, J A Ingram, G L Hoelscher, E N Hanley
The importance of cytokines in disc degeneration is well recognized. Little is known about IL-22 expression in the human intervertebral disc. We investigated IL-22 immuno-localization in disc tissue, and molecular expression and production of IL-22 by annulus cells cultured in three-dimensional (3D) culture. We examined human disc tissue using immunohistochemistry and we cultured isolated annulus cells in 3D to analyze IL-22 expression and production, and its receptor, IL-22R, in conditioned media. Ingenuity pathway analysis (IPA) also was used to identify significant gene expression networks within the molecular data...
2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28408623/protein-kinase-d1-pkd1-phosphorylation-on-ser-203-by-type-i-p21-activated-kinase-pak-regulates-pkd1-localization
#14
Jen-Kuan Chang, Yang Ni, Liang Han, James Sinnett-Smith, Rodrigo Jacamo, Osvaldo Rey, Steven H Young, Enrique Rozengurt
While PKC-mediated phosphorylation of protein kinase D1 (PKD1) has been extensively characterized, little is known about PKD1 regulation by other upstream kinases. Here, we report that stimulation of epithelial or fibroblastic cells with G protein-coupled receptor (GPCR) agonists, including angiotensin II or bombesin induced rapid and persistent PKD1 phosphorylation at Ser(203), a highly conserved residue located within the PKD1 N-terminal domain. Exposure to PKD or PKC family inhibitors did not prevent PKD1 phosphorylation at Ser(203), indicating that it is not mediated by autophosphorylation...
April 13, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28407751/transcriptome-analysis-reveals-potential-mechanisms-underlying-differential-heart-development-in-fast-and-slow-growing-broilers-under-heat-stress
#15
Jibin Zhang, Carl J Schmidt, Susan J Lamont
BACKGROUND: Modern fast-growing broilers are susceptible to heart failure under heat stress because their relatively small hearts cannot meet increased need of blood pumping. To improve the cardiac tolerance to heat stress in modern broilers through breeding, we need to find the important genes and pathways that contribute to imbalanced cardiac development and frequent occurrence of heat-related heart dysfunction. Two broiler lines - Ross 708 and Illinois - were included in this study as a fast-growing model and a slow-growing model respectively...
April 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28402896/biodegradation-of-isopropanol-and-acetone-under-denitrifying-conditions-by-thauera-sp-tk001-for-nitrate-mediated-microbially-enhanced-oil-recovery
#16
Tekle Tafese Fida, Fatma Gassara, Gerrit Voordouw
Amendment of reservoir fluid with injected substrates can enhance the growth and activity of microbes. The present study used isopropyl alcohol (IPA) or acetone to enhance the indigenous anaerobic nitrate-reducing bacterium Thauera sp. TK001. The strain was able to grow on IPA or acetone and nitrate. To monitor effects of strain TK001 on oil recovery, sand-packed columns containing heavy oil were flooded with minimal medium at atmospheric or high (400psi) pressure. Bioreactors were then inoculated with 0.5 pore volume (PV) of minimal medium containing Thauera sp...
March 30, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28401637/alcohol-tolerant-mutants-of-cyanobacterium-synechococcus-elongatus-pcc-7942-obtained-by-single-cell-mutant-screening-system
#17
Sayuri Arai, Kayoko Hayashihara, Yuki Kanamoto, Kazunori Shimizu, Yasutaka Hirokawa, Taizo Hanai, Akio Murakami, Hiroyuki Honda
Enhancement of alcohol tolerance in microorganisms is an important strategy for improving bioalcohol productivity. Although cyanobacteria can be used as a promising biocatalyst to produce various alcohols directly from CO2 , low productivity and low tolerance against alcohols are the main issues to be resolved. Nevertheless, to date, a mutant with increasing alcohol tolerance has rarely been reported.n this study, we attempted to select isopropanol (IPA)-tolerant mutants of Synechococcus elongatus PCC 7942 using UV-C-induced random mutagenesis, followed by enrichment of the tolerant candidates in medium containing 10 g/L IPA and screening of the cells with a high growth rate in the single cell culture system in liquid medium containing 10 g/L IPA...
April 12, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28395406/-expression-and-differential-diagnostic-value-of-serum-microrna-for-invasive-pulmonary-aspergillosis
#18
Z N Wen, Z G Ling, Y Huang, X Li
Objective: To explore the expression and the clinical diagnostic value of serum miR-21 for invasive pulmonary aspergillosis (IPA). Methods: Outpatients and inpatients from the Fourth Affiliated Hospital of Guangxi Medical University were included in the study during June 2014 to September 2015. The IPA group had 40 patients, male 22, female 18, aged 55-68 years (mean 60 ), while the control groups included 50 patients with pulmonary tuberculosis [male 23, female 27, aged 50-62 years (mean 55 )], 50 patients with lung cancer [male 30, female 20, aged 55-70 years (mean 62)], and 50 healthy controls [male 25, female 25, aged 50-67 years (mean 60) ]...
April 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28391834/electrochemical-behavior-of-amaranth-and-its-sensitive-determination-based-on-pd-doped-polyelectrolyte-functionalized-graphene-modified-electrode
#19
Yudong Gao, Lu Wang, Yulong Zhang, Lina Zou, Gaiping Li, Baoxian Ye
In this work, poly(sodium p-styrenesulfonate) (PSS)-functionalized graphene supported palladium nanoparticles (Pd) composites were fabricated with simple ultrasonic bath method. The morphology and structure of PSS-GR-Pd composites were characterized using UV-vis absorption spectra, X-ray diffraction and Transmission Electron Microscopy. By combining the merits of the PSS-GR and Pd NPs, a new electrochemical sensor was erected to detect amaranth based on the PSS-GR-Pd nanocomposites. The electrochemical behavior of amaranth was investigated systematically in 0...
June 1, 2017: Talanta
https://www.readbyqxmd.com/read/28390544/obesity-heuristic-reasoning-and-the-organisation-of-communicative-embarrassment-in-diagnostic-radiography
#20
P K Miller, A L Woods, C Sloane, L Booth
This paper, the second of three arising from a broader qualitative study, explores difficulties emerging around radiographer-patient communication regarding obesity in hospital-based encounters, and the situated strategies found by experienced radiographers for handling such situations. Semi-structured interviews with eight clinicians working in plain radiography (mean experience = 21.56 years) were analysed using Interpretative Phenomenological Analysis (IPA), so as to highlight the practical, nuanced and real-world experiences of these individuals regarding obesity communication...
May 2017: Radiography
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