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https://www.readbyqxmd.com/read/28748856/the-short-isoform-of-nuclear-mitotic-apparatus-protein-1-functions-as-a-putative-tumor-suppressor
#1
Wang-Sen Qin, Jin Wu, Yang Chen, Fa-Cai Cui, Fu-Ming Zhang, Guan-Ting Lyu, Hong-Mei Zhang
BACKGROUND: Nuclear mitotic apparatus protein 1 (NuMA1) had been reported to produce three groups of isoforms categorized as long, middle, and short groups, of which short NuMA displayed distinct localization patterns compared to long and middle isoforms. However, the function of short NuMA was not clear in the progress of cancer formation. This study aimed to unveil the role of short NuMA in cancer pathogenesis. METHODS: The expression levels of short isoforms were explored in paired gastric carcinoma (GC) samples and different cell lines...
August 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28748504/whole-brain-analyses-of-age-related-microstructural-changes-quantified-using-different-diffusional-magnetic-resonance-imaging-methods
#2
Miho Ota, Noriko Sato, Norihide Maikusa, Daichi Sone, Hiroshi Matsuda, Hiroshi Kunugi
PURPOSE: The new diffusional magnetic resonance imaging (dMRI) techniques, diffusional kurtosis imaging (DKI) and neurite orientation dispersion and density imaging (NODDI) have been developed to clarify the microstructural changes. To our knowledge, however, there is little information on the similarities and differences of these metrics evaluated by the image-by-image paired t test. MATERIALS AND METHODS: Twenty-three healthy subjects underwent dMRI. We estimated the relationships of these metrics evaluated by the image-by-image paired t-test and compared aging effects on each metric...
July 26, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28748244/a-high-performance-and-low-cost-hole-transporting-layer-for-efficient-and-stable-perovskite-solar-cells
#3
Md Arafat Mahmud, Naveen Kumar Elumalai, Mushfika Baishakhi Upama, Dian Wang, Vinicius R Gonçales, Matthew Wright, Cheng Xu, Faiazul Haque, Ashraf Uddin
Here we report a small molecule oxidant 2,3,5,6-tetrafluoro-7,7,8,8-tetracyano-quinodimethane (F4TCNQ) doped, low cost 2',7'-bis(bis(4-methoxyphenyl)amino)spiro[cyclopenta[2,1-b:3,4-b']dithiophene-4,9'-fluorene] (FDT) hole transporting layer (HTL) for efficient mixed organic cation based MA0.6FA0.4PbI3 (MA = methyl ammonium, FA = formamidinium) perovskite solar cells (PSCs), fabricated via a highly reproducible controlled nucleation assisted restricted volume solvent annealing method, having full temperature compatibility with flexible substrates...
July 27, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28748002/high-levels-of-circulating-folate-concentrations-are-associated-with-dna-methylation-of-tumor-suppressor-and-repair-genes-p16-mlh1-and-mgmt-in-elderly-chileans
#4
Hugo Sanchez, Mohammad B Hossain, Lydia Lera, Sandra Hirsch, Cecilia Albala, Ricardo Uauy, Karin Broberg, Ana M Ronco
BACKGROUND: Changes in DNA methylation, one of the most studied epigenetic mechanisms, are considered an initial marker for early cancer detection. We evaluated how availability of dietary factors (folates and vitamin B12) involved in one-carbon metabolism may contribute to DNA methylation changes of cancer-related genes in human subjects. METHODS: We studied, by pyrosequencing, the methylation of tumor suppressor gene p16, DNA repair genes MLH1 and MGMT, and the repetitive element LINE-1 (as a surrogate for global DNA methylation), in blood of elderly individuals (n = 249) who had been exposed to folic acid (FA) through FA-fortified wheat flour during the last 12 years...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28747905/from-ecological-stoichiometry-to-biochemical-composition-variation-in-n-and-p-supply-alters-key-biosynthetic-rates-in-marine-phytoplankton
#5
Julia Grosse, Amanda Burson, Maayke Stomp, Jef Huisman, Henricus T S Boschker
One of the major challenges in ecological stoichiometry is to establish how environmental changes in resource availability may affect both the biochemical composition of organisms and the species composition of communities. This is a pressing issue in many coastal waters, where anthropogenic activities have caused large changes in riverine nutrient inputs. Here we investigate variation in the biochemical composition and synthesis of amino acids, fatty acids (FA), and carbohydrates in mixed phytoplankton communities sampled from the North Sea...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28746409/high-resolution-molecular-and-histological-analysis-of-renal-disease-progression-in-zsf1-fa-facp-rats-a-model-of-type-2-diabetic-nephropathy
#6
Ken Dower, Shanrong Zhao, Franklin J Schlerman, Leigh Savary, Gabriela Campanholle, Bryce G Johnson, Li Xi, Vuong Nguyen, Yutian Zhan, Matthew P Lech, Ju Wang, Qing Nie, Morten A Karsdal, Federica Genovese, Germaine Boucher, Thomas P Brown, Baohong Zhang, Bruce L Homer, Robert V Martinez
ZSF1 rats exhibit spontaneous nephropathy secondary to obesity, hypertension, and diabetes, and have gained interest as a model system with potentially high translational value to progressive human disease. To thoroughly characterize this model, and to better understand how closely it recapitulates human disease, we performed a high resolution longitudinal analysis of renal disease progression in ZSF1 rats spanning from early disease to end stage renal disease. Analyses included metabolic endpoints, renal histology and ultrastructure, evaluation of a urinary biomarker of fibrosis, and transcriptome analysis of glomerular-enriched tissue over the course of disease...
2017: PloS One
https://www.readbyqxmd.com/read/28745888/the-route-to-stable-lead-free-double-perovskites-with-the-electronic-structure-of-ch3nh3pbi3-a-case-for-mixed-cation-cs-ch3nh3-ch-nh2-2-2inbibr6
#7
George Volonakis, Amir Abbas Haghighirad, Henry J Snaith, Feliciano Giustino
During the past year, halide double perovskites attracted attention as potential lead-free alternatives to Pb-based halide perovskites. However, none of the compounds discovered so far can match the optoelectronic properties of MAPbI3 (MA = CH3NH3). Here we argue that, from the electronic structure viewpoint, the only option to make Pb-free double perovskites retaining the remarkable properties of MAPbI3 is to combine In and Bi as B(+) and B(3+) cations, respectively. While inorganic double perovskites such as Cs2InBiX6 were found to be unstable due to In(+) oxidizing into In(3+), we show that the +1 oxidation state of In becomes progressively more stable as the A-site cation changes from K to Cs...
July 26, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28745887/phthalazino-1-2-b-quinazolinones-as-p53-activators-cell-cycle-arrest-apoptotic-response-and-bak-bcl-xl-complex-reorganization-in-bladder-cancer-cells
#8
Guo-Hai Zhang, Jing-Mei Yuan, Gang Qian, Chen-Xi Gu, Kai Wei, Dong-Liang Mo, Jiang-Ke Qin, Yan Peng, Zuping Zhou, Cheng-Xue Pan, Gui-Fa Su
p53 inactivation is a clinically defined characteristic for cancer treatment-nonresponsiveness. It is therefore highly desirable to develop anticancer agents by restoring p53 function.1 Herein the synthesized phthalazino[1,2-b]- -quinazolinones were discovered as p53 activators in bladder cancer cells. 10-Bromo-5-(2-dimethylamino-ethylamino)phthalazino[1,2-b]quinazolin-8-one (5da) was identified as the most promising candidate in view of both its anticancer activity and mechanisms of action. 5da exhibited strong anticancer activity on a broad range of cancer cell lines and significantly reduced tumor growth in xenograft models at doses as low as 6 mg/kg...
July 26, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28745639/a-lipid-extraction-and-analysis-method-for-characterizing-soil-microbes-in-experiments-with-many-samples
#9
Lawrence G Oates, Harry W Read, Jessica L M Gutknecht, David S Duncan, Teri B Balser, Randall D Jackson
Microbial communities are important drivers and regulators of ecosystem processes. To understand how management of ecosystems may affect microbial communities, a relatively precise but effort-intensive technique to assay microbial community composition is phospholipid fatty acid (PLFA) analysis. PLFA was developed to analyze phospholipid biomarkers, which can be used as indicators of microbial biomass and the composition of broad functional groups of fungi and bacteria. It has commonly been used to compare soils under alternative plant communities, ecology, and management regimes...
July 16, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28745274/a-multivariate-analysis-of-the-composition-and-properties-of-extra-virgin-olive-oils-produced-from-different-cultivars-grown-in-iran
#10
Habib Shirzad, Vahid Niknam, Mehdi Taheri, Hassan Ebrahimzadeh
The present study investigated variations in extra virgin olive oils in relation to fatty acid (FA) composition and the characteristics of 10 olive cultivars. The findings demonstrated that their oil yield properties, including refractive index, acid value, peroxide value, saponification value, iodine value, and composition, were significantly different. Moreover, based on GC-MS analysis, the presence of oleic acid [C18:1(9)] was identified as one of the major components. The highest amount of 18:1(9) was found in four major varieties of cultivars, namely Zard, Roghani, Karidolia, and Korfolia...
July 26, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28744069/alteration-in-the-number-and-integrity-of-white-matter-tracts-in-the-preterm-a-quantitative-diffusion-tensor-imaging-and-diffusion-fibre-tractography-in-children
#11
Ruma M Sreedharan, Subramonium Aiyappan, N Roy
PURPOSE: Periventricular white matter is most commonly injured in preterm babies with hypoxia. To assess white matter damage, we decided to perform diffusion tensor imaging (DTI) in preterm children with history of hypoxia and magnetic resonance imaging (MRI) features of periventricular leukomalacia (PVL) (PTH). We hypothesized that the PTH have reduced number of white matter fibres compared to age matched pre term children without hypoxia (PTHO), and also depending on the severity of PVL, there could be reduction in the number of fibres as well...
April 2017: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28742792/evidence-for-genetic-association-between-chromosome-1q-loci-and-predisposition-to-colorectal-neoplasia
#12
Stephanie A Schubert, Dina Ruano, Fadwa A Elsayed, Arnoud Boot, Stijn Crobach, Arantza Farina Sarasqueta, Bruce Wolffenbuttel, Melanie M van der Klauw, Jan Oosting, Carli M Tops, Ronald van Eijk, Hans Fa Vasen, Rolf Ham Vossen, Maartje Nielsen, Sergi Castellví-Bel, Clara Ruiz-Ponte, Ian Tomlinson, Malcolm G Dunlop, Pavel Vodicka, Juul T Wijnen, Frederik J Hes, Hans Morreau, Noel Fcc de Miranda, Rolf H Sijmons, Tom van Wezel
BACKGROUND: A substantial fraction of familial colorectal cancer (CRC) and polyposis heritability remains unexplained. This study aimed to identify predisposing loci in patients with these disorders. METHODS: Homozygosity mapping was performed using 222 563 SNPs in 302 index patients with various colorectal neoplasms and 3367 controls. Linkage analysis, exome and whole-genome sequencing were performed in a family affected by microsatellite stable CRCs. Candidate variants were genotyped in 10 554 cases and 21 480 controls...
July 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28742527/biotechnological-potential-of-insect-fatty-acid-modifying-enzymes
#13
Michal Tupec, Aleš Buček, Irena Valterová, Iva Pichová
There are more than one million described insect species. This species richness is reflected in the diversity of insect metabolic processes. In particular, biosynthesis of secondary metabolites, such as defensive compounds and chemical signals, encompasses an extraordinarily wide range of chemicals that are generally unparalleled among natural products from other organisms. Insect genomes, transcriptomes and proteomes thus offer a valuable resource for discovery of novel enzymes with potential for biotechnological applications...
July 25, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/28741987/multimodal-characterization-of-gray-matter-alterations-in-neuromyelitis-optica
#14
Yaou Liu, Xueyan Jiang, Helmut Butzkueven, Yunyun Duan, Jing Huang, Zhuoqiong Ren, Huiqing Dong, Fu-Dong Shi, Frederik Barkhof, Kuncheng Li, Jinhui Wang
OBJECTIVE: To investigate structural and functional alterations of gray matter (GM) and examine their clinical relevance in neuromyelitis optica (NMO) using multimodal magnetic resonance imaging (MRI) techniques. METHODS: A total of 35 NMO and 36 healthy controls (HC) were recruited in this study. Cortical lesions were investigated by double inversion recovery technique. Five voxel-wise MRI measurements were obtained for each participant in the GM including gray matter volume (GMV), fractional anisotropy (FA), mean diffusivity (MD), amplitude of low-frequency fluctuation (ALFF), and weighted functional connectivity strength (wFCS)...
July 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28741714/abnormal-fronto-parietal-white-matter-organisation-in-the-superior-longitudinal-fasciculus-branches-in-autism-spectrum-disorders
#15
Jacqueline Fitzgerald, Alexander Leemans, Elizabeth Kehoe, Erik O'Hanlon, Louise Gallagher, Jane McGrath
Core features of ASD may be underpinned by disrupted functional and structural neural connectivity. Abnormal fronto-parietal functional connectivity has been widely reported in the literature; this may be underpinned by disrupted microstructural organisation of white matter. The Superior Longitudinal Fasciculus (SLF) is a major fronto-parietal white matter tract, the structure of which has been little studied in ASD. The fronto-parietal projections of this tract (SLF I, II and III) are thought to play an important role in a number of cognitive functions including attention and visuospatial processing...
July 25, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28741711/diffusion-tensor-imaging-in-multiple-sclerosis-at-different-final-outcomes
#16
O Andersen, A Hildeman, M Longfils, H Tedeholm, B Skoog, W Tian, J Zhong, S Ekholm, L Novakova, B Runmarker, O Nerman, S E Maier
OBJECTIVES: Methods to evaluate the relative contributions of demyelination vs axonal degeneration over the long-term course of MS are urgently needed. We used magnetic resonance diffusion tensor imaging (DTI) to estimate degrees of demyelination and axonal degeneration in the corpus callosum (CC) in cases of MS with different final outcomes. MATERIALS AND METHODS: We determined DTI measures mean diffusivity (MD), fractional anisotropy (FA), and axial (AD) and radial (RD) diffusivities in the CC of 31 MS patients, of whom 13 presented a secondary progressive course, 11 a non-progressive course, and seven a monophasic course...
July 25, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28741437/traumatic-brain-injury-in-a-community-based-cohort-of-homeless-and-vulnerably-housed-individuals
#17
Toby Schmitt, Allen Thornton, Iris Rawtaer, Alasdair Barr, Kristina Gicas, Donna Lang, Talia Vertinsky, Alexander Rauscher, Ric Procyshyn, Tari Buchanan, Alex Cheng, Sarah Mackay, Olga Leonova, Verena Langheimer, Thalia Field, Manraj K S Heran, Fidel Vila-Rodriguez, Tiffany-Anne O'Connor, William MacEwan, William Honer, William Panenka
We characterized traumatic brain injury (TBI) and studied its associations with mental and physical health in a community cohort of homeless and vulnerably-housed individuals. METHODS: Detailed mental and physical health structured interviews, neuropsychological testing, and multimodal MRI were performed on 283 participants. Two traumatic brain injury (TBI) participant groups were defined for primary analyses: those with a self-reported history of TBI and those with MRI evidence of TBI...
July 25, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28741092/a-potent-indolylquinoline-alleviates-growth-of-human-lung-cancer-cell-tumorspheres
#18
Yu-Ling Ni, Chang-Hung Hsieh, Seung-Hun Kim, Jing-Ping Wang, Chun-Li Su, Ching-Fa Yao, Kang Fang
To fight cancer at its roots by targeting cancer stem cells is a promising approach for therapy. Previously, an indolylquinoline derivative, 3-((7-ethyl-1H-indol-3-yl)-methyl)-2-methylquinoline (EMMQ), was reported effectively inhibiting the growth of lung cancer cells through impairment of cellular mitochondria functions. To address more on drug efficiency, the study further exploited if EMMQ can impede the propagation of tumorspheres stemmed from non-small cell lung cancer cells. EMMQ inhibited proliferation of spheroids in culture...
July 24, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28740553/a-fluorogenic-probe-for-ultrafast-and-reversible-detection-of-formaldehyde-in-neurovascular-tissues
#19
Xing-Guang Liang, Bo Chen, Ling-Xiao Shao, Juan Cheng, Ming-Zhu Huang, Yu Chen, Yong-Zhou Hu, Yi-Feng Han, Feng Han, Xin Li
Formaldehyde (FA) is endogenously produced in live systems and has been implicated in a diverse array of pathophysiological processes. To disentangle the detailed molecular mechanisms of FA biology, a reliable method for monitoring FA changes in live cells would be indispensable. Although there have been several fluorescent probes reported to detect FA, most are limited by the slow detection kinetics and the intrinsic disadvantage of detecting FA in an irreversible manner which may disturb endogenous FA homeostasis...
2017: Theranostics
https://www.readbyqxmd.com/read/28740349/functional-lipidomics-in-patients-on-home-parenteral-nutrition-effect-of-lipid-emulsions
#20
Loris Pironi, Mariacristina Guidetti, Ornella Verrastro, Claudia Iacona, Federica Agostini, Caterina Pazzeschi, Anna Simona Sasdelli, Michele Melchiorre, Carla Ferreri
AIM: To investigate the fatty acid-based functional lipidomics of patients on long-term home parenteral nutrition receiving different intravenous lipid emulsions. METHODS: A cross-sectional comparative study was carried out on 3 groups of adults on home parenteral nutrition (HPN), receiving an HPN admixture containing an olive-soybean oil-based intravenous lipid emulsion (IVLE) (OO-IVLE; n = 15), a soybean- medium-chain triacylglycerol-olive-fish oil-based IVLE (SMOF-IVLE; n = 8) or HPN without IVLE (No-IVLE; n = 8) and 42 healthy controls (HCs)...
July 7, 2017: World Journal of Gastroenterology: WJG
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