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Morphological processing

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https://www.readbyqxmd.com/read/29346727/bioinspired-pressure-tolerant-asymmetric-slippery-surface-for-continuous-self-transport-of-gas-bubbles-in-aqueous-environment
#1
Chunhui Zhang, Bo Zhang, Hongyu Ma, Zhe Li, Xiao Xiao, Yuheng Zhang, Xinyu Cui, Cunming Yu, Moyuan Cao, Lei Jiang
Bio-surfaces with geometry-gradient structures or special wettabilities demonstrate intriguing performance in manipulating the behaviors of versatile fluids. By mimicking natural species, i.e., the cactus spine with a shape-gradient morphology and the Picher plant with a lubricated inner surface, we have successfully prepared an asymmetric slippery surface by following the processes of CO2-laser cutting, superhydrophobic modification, and the fluorinert infusion. The asymmetric morphology will cause the deformation of gas bubbles and subsequently engender an asymmetric driven force on them...
January 18, 2018: ACS Nano
https://www.readbyqxmd.com/read/29346426/proliferation-and-survival-of-human-amniotic-epithelial-cells-during-their-hepatic-differentiation
#2
Julieta L Maymó, Rodrigo Riedel, Antonio Pérez-Pérez, Marta Magatti, Bernardo Maskin, José Luis Dueñas, Ornella Parolini, Víctor Sánchez-Margalet, Cecilia L Varone
Stem cells derived from placental tissues are an attractive source of cells for regenerative medicine. Amniotic epithelial cells isolated from human amnion (hAECs) have desirable and competitive characteristics that make them stand out between other stem cells. They have the ability to differentiate toward all three germ layers, they are not tumorigenic and they have immunosuppressive properties. Although liver transplantation is the best way to treat acute and chronic hepatic failure patients, there are several obstacles...
2018: PloS One
https://www.readbyqxmd.com/read/29345911/role-of-glycanation-and-convertase-maturation-of-the-soluble-glypican-3-in-inhibiting-proliferation-of-hepatocellular-carcinoma-cells
#3
Ahmad Saad, Benjamin Liet, Gilles Joucla, Xavier Santarelli, Justine Charpentier, Stéphane Claverol, Christophe F Grosset, Véronique Trézéguet
Glypican 3 (GPC3) is a complex heparan sulfate proteoglycan associated with the outer surface of the plasma membrane by a glycosyl-phosphatidylinositol anchor (GPI). It is also N-glycosylated and processed by a furine-like convertase. GPC3 has numerous biological functions. While undetectable in normal liver tissue, it is abnormally and highly overexpressed in hepatocellular carcinoma (HCC). Interestingly, proliferation of HCC cells such as HepG2 and HuH7 is inhibited when they express a soluble form of GPC3 after lentiviral transduction...
January 18, 2018: Biochemistry
https://www.readbyqxmd.com/read/29345718/evaluation-of-the-morphological-characteristic-and-sex-differences-of-sternum-by-multi-detector-computed-tomography
#4
Sibel Ateşoğlu, Mustafa Deniz, Ayşe İmge Uslu
BACKGROUND: Sternum is one of the skeleton parts which have frequently congenital anomalies and variations are commonly used by researchers in determining sex. We evaluated the morphological characteristics and sex-related changes of the sternum in adult individuals using multidetector CT in our study. MATERIALS AND METHODS: 200 adults (103 female and 97 male) aged between 18-87 years were evaluated. Utilizing the morphological characteristics of the sternum based on the multi-slice images; length, width and the thickness of Manubrium, length, width and the thickness of Corpus Sterni, total length of Sternum, Sternal angle, Sternal index, length of the xiphoid process, the thickness of xiphoid process, the number of indents of xiphoid process were measured and a total of 20 parameters were evaluated by adding age, height and weight to these variables...
January 18, 2018: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29345499/disrupted-behaviour-in-grammatical-morphology-in-french-speakers-with-autism-spectrum-disorders
#5
Marie-Thérèse Le Normand, Romuald Blanc, Simona Caldani, Frédérique Bonnet-Brilhault
Mixed and inconsistent findings have been reported across languages concerning grammatical morphology in speakers with Autism Spectrum Disorders (ASD). Some researchers argue for a selective sparing of grammar whereas others claim to have identified grammatical deficits. The present study aimed to investigate this issue in 26 participants with ASD speaking European French who were matched on age, gender and SES to 26 participants with typical development (TD). The groups were compared regarding their productivity and accuracy of syntactic and agreement categories using the French MOR part-of-speech tagger available from the CHILDES...
January 18, 2018: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/29345465/microplastic-abundance-and-composition-in-western-lake-superior-as-determined-via-microscopy-pyr-gc-ms-and-ftir
#6
Erik Hendrickson, Elizabeth C Minor, Kathryn Schreiner
While plastic pollution in marine and freshwater systems is an active area of research, there is not yet an in-depth understanding of the distributions, chemical compositions, and fates of plastics in aquatic environments. In this study, the magnitude, distribution, and common polymers of microplastic pollution in surface waters in western Lake Superior are determined. Analytical methodology, including estimates of ambient contamination during sample collection and processing, are described and employed. Microscopy, Pyrolysis-Gas Chromatography/Mass spectrometry (Pyr-GC/MS), and Fourier Transform Infrared spectroscopy (FTIR) were used to quantify and identify microplastic particles...
January 18, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29345399/glycine-improves-the-remodeling-process-of-tenocytes-in-vitro
#7
Cristiano Pedrozo Vieira, Manuela Viola, Giane Daniela Carneiro, Maria Luisa D'Angelo, Cristina Pontes Vicente, Alberto Passi, Edson Rosa Pimentel
Tendinitis changes the biochemical and morphological properties of the tendon, promoting an increase of activity of metalloproteinases and disorganization of collagen bundles. Tenocytes the primary cells in tendon, are scattered throughout the collagenic fibres, and are responsible of tendon remodeling and tissue repair in pathological condition. In vivo, glycine, component of the typical Gly-X-Y collagen tripeptide, showed beneficial effects in biochemical and biomechanical properties of Achilles tendon with tendinitis...
January 18, 2018: Cell Biology International
https://www.readbyqxmd.com/read/29345285/the-epitranscriptome-m6a-writer-mettl3-promotes-chemo-and-radioresistance-in-pancreatic-cancer-cells
#8
Kosuke Taketo, Masamitsu Konno, Ayumu Asai, Jun Koseki, Masayasu Toratani, Taroh Satoh, Yuichiro Doki, Masaki Mori, Hideshi Ishii, Kazuhiko Ogawa
N6-methyladenosine (m6A) is the most abundant epitranscriptome modification in mammalian mRNA. Recent years have seen substantial progress in m6A epitranscriptomics, indicating its crucial roles in the initiation and progression of cancer through regulation of RNA stabilities, mRNA splicing, microRNA processing and mRNA translation. However, by what means m6A is dynamically regulated or written by enzymatic components represented by methyltransferase-like 3 (METTL3) and how m6A is significant for each of the numerous genes remain unclear...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29345045/the-in-vitro-release-of-cytokines-and-growth-factors-from-fibrin-membranes-produced-through-horizontal-centrifugation
#9
E S Lourenço, C F A B Mourão, P E C Leite, J M Granjeiro, M D Calasans-Maia, G G Alves
Platelet-rich fibrin (PRF) membranes are biomaterials widely used for therapeutic purposes, and canonically produced through the processing of peripheral blood with fixed-angle rotor centrifuges. In this work, we evaluate the in vitro stability and release of cytokines and growth factors when these biomaterials are produced with a horizontal swing-out clinical centrifuge. Membranes produced from the blood of 14 donors were morphologically evaluated by scanning electron microscopy and fluorescence microscopy, and their stability was assessed by photographic recording after incubation in culture medium for up to 28 days...
January 18, 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29344894/systems-biology-approaches-in-cancer-pathology
#10
Aaron DeWard, Rebecca J Critchley-Thorne
The complex network of the tissue system, in both pre-neoplastic tissues and tumors, demonstrates the need for a systems biology approach to cancer pathology, in which quantification of key tissue system processes is combined with informatics tools to produce actionable scores to aid clinical decision-making. A systems biology approach to cancer pathology enables integration of key system features that are relevant to diagnoses, patient outcomes, and responses to therapies. Key tissue system features relevant to cancer pathology include molecular and morphologic abnormalities in epithelia, cellular changes in the stroma such as immune infiltrates, and relationships between components of the system, such as interactions and spatial relationships between epithelial and stromal components, and also between specific immune cell subsets...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29344880/the-role-of-zinc-in-urinary-stone-disease
#11
REVIEW
Armando Luis Negri
In recent years, the role of trace elements in lithogenesis has received steadily increasing attention. It is well documented that some trace elements can influence the morphology and speed of the crystallization process. Zinc has been found in significant amounts in calcium stones relative or organic stones (uric acid and cystine), probably substituting calcium in crystals because of their similarity in charge and size. High Zn levels are present in carbapatite of Randal's plaques suggesting that zinc could promote calcium phosphate deposition in the medullar interstitium...
January 17, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29344856/next-generation-sequencing-analysis-of-laser-microdissected-formalin-fixed-and-paraffin-embedded-ffpe-tissue-specimens
#12
Lavinia Mägel, Stephan Bartels, Ulrich Lehmann
In recent years, next-generation sequencing (NGS) became widely used in molecular pathology. Comprehensive mutational profiling improved diagnosis and prognosis, as well as the identification of therapeutically relevant genetic alterations. However, the vast majority of studies analyzing tissue samples use DNA extracted from bulk tissue or only manually microdissected specimens. Laser-assisted microdissection offers the possibility of isolating morphologically defined small tissue compartments (like individual glands) or even of single cells for further molecular analysis...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29344830/rap2-6l-and-jasmonic-acid-responsive-genes-are-expressed-upon-arabidopsis-hypocotyl-grafting-but-are-not-needed-for-cell-proliferation-related-to-healing
#13
Keita Matsuoka, Raiki Yanagi, Emi Yumoto, Takao Yokota, Hisakazu Yamane, Shinobu Satoh, Masashi Asahina
Jasmonic acid and RAP2.6L are induced upon wounding but are not involved in cell proliferation during healing in Arabidopsis hypocotyls. Plants produce jasmonic acid in response to wounding, but its role in healing, if any, has not been determined. Previously, the jasmonic acid-induced transcription factor, RAP2.6L, related to APETALA 2.6-like, was identified as a spatially expressed factor involved in tissue reunion in partially incised flowering stems of Arabidopsis. In the present study, we investigated the function of JA and RAP2...
January 17, 2018: Plant Molecular Biology
https://www.readbyqxmd.com/read/29344647/autophagy-regulates-the-degeneration-of-the-auditory-cortex-through-the-ampk-mtor-ulk1-signaling-pathway
#14
Jie Yuan, Xueyan Zhao, Yujuan Hu, Haiying Sun, Guoqing Gong, Xiang Huang, Xubo Chen, Mingyu Xia, Chen Sun, Qilin Huang, Yu Sun, Wen Kong, Weijia Kong
Presbycusis is the most common sensory impairment associated with aging; however, the underlying molecular mechanism remains unclear. Autophagy has been demonstrated to serve a key role in diverse diseases; however, no studies have examined its function in central presbycusis. The aim of the present study was to investigate the changes of autophagy in the physiological processes of the auditory cortex and its role in the degeneration of the auditory cortex, as well as the related mechanisms using naturally aging rats and a D‑galactose (D‑gal)‑induced mimetic rat model of aging...
January 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29343597/evidence-for-dispersal-syndromes-in-freshwater-fishes
#15
Lise Comte, Julian D Olden
Dispersal is a fundamental process defining the distribution of organisms and has long been a topic of inquiry in ecology and evolution. Emerging research points to an interdependency of dispersal with a diverse suite of traits in terrestrial organisms, however the extent to which such dispersal syndromes exist in freshwater species remains uncertain. Here, we test whether dispersal in freshwater fishes (1) is a fixed property of species, and (2) correlates with life-history, morphological, ecological and behavioural traits, using a global dataset of dispersal distances collected from the literature encompassing 116 riverine species and 196 locations...
January 31, 2018: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/29342929/morphology-controlled-synthesis-of-hematite-nanocrystals-and-their-optical-magnetic-and-electrochemical-performance
#16
Bangquan Li, Qian Sun, Hongsheng Fan, Ming Cheng, Aixian Shan, Yimin Cui, Rongming Wang
A series of α-Fe₂O₃ nanocrystals (NCs) with fascinating morphologies, such as hollow nanoolives, nanotubes, nanospindles, and nanoplates, were prepared through a simple template-free hydrothermal synthesis process. The results showed that the morphologies could be easily controlled by SO₄2- and H₂PO₄-. Physical property analysis showed that the α-Fe₂O₃ NCs exhibited shape- and size-dependent ferromagnetic and optical behaviors. The absorption band peak of the α-Fe₂O₃ NCs could be tuned from 320 to 610 nm...
January 15, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29342834/facial-bone-reconstruction-using-both-marine-or-non-marine-bone-substitutes-evaluation-of-current-outcomes-in-a-systematic-literature-review
#17
REVIEW
Marco Cicciù, Gabriele Cervino, Alan Scott Herford, Fausto Famà, Ennio Bramanti, Luca Fiorillo, Floriana Lauritano, Sergio Sambataro, Giuseppe Troiano, Luigi Laino
The aim of the present investigation was to systematically analyse the literature on the facial bone reconstruction defect using marine collagen or not and to evaluate a predictable treatment for their clinical management. The revision has been performed by searched MEDLINE and EMBASE databases from 2007 to 2017. Clinical trials and animal in vitro studies that had reported the application of bone substitutes or not for bone reconstruction defect and using marine collagen or other bone substitute material were recorded following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines...
January 13, 2018: Marine Drugs
https://www.readbyqxmd.com/read/29342156/specialized-attachment-structure-of-the-fish-pathogenic-oomycete-saprolegnia-parasitica
#18
Svetlana Rezinciuc, Jose Vladimir Sandoval-Sierra, Yolanda Ruiz-León, Pieter van West, Javier Diéguez-Uribeondo
The secondary cysts of the fish pathogen oomycete Saprolegnia parasitica possess bundles of long hooked hairs that are characteristic to this economically important pathogenic species. Few studies have been carried out on elucidating their specific role in the S. parasitica life cycle and the role they may have in the infection process. We show here their function by employing several strategies that focus on descriptive, developmental and predictive approaches. The strength of attachment of the secondary cysts of this pathogen was compared to other closely related species where bundles of long hooked hairs are absent...
2018: PloS One
https://www.readbyqxmd.com/read/29342129/fabrication-structural-characterization-and-uniaxial-tensile-properties-of-novel-sintered-multi-layer-wire-mesh-porous-plates
#19
Liuyang Duan, Zhaoyao Zhou, Bibo Yao
There is an increasing interest in developing porous metals or metallic foams for functional and structural applications. The study of the physical and mechanical properties of porous metals is very important and helpful for their application. In this paper, a novel sintered multilayer wire mesh porous plate material (WMPPs) with a thickness of 0.5 mm-3 mm and a porosity of 10-35% was prepared by winding, pressing, rolling, and subsequently vacuum sintering them. The pore size and total size distribution in the as-prepared samples were investigated using the bubble point method...
January 17, 2018: Materials
https://www.readbyqxmd.com/read/29342080/comparisons-of-different-models-on-dynamic-recrystallization-of-plate-during-asymmetrical-shear-rolling
#20
Tao Zhang, Lei Li, Shi-Hong Lu, Hai Gong, Yun-Xin Wu
Asymmetrical shear rolling with velocity asymmetry and geometry asymmetry is beneficial to enlarge deformation and refine grain size at the center of the thick plate compared to conventional symmetrical rolling. Dynamic recrystallization (DRX) plays a vital role in grain refinement during hot deformation. Finite element models (FEM) coupled with microstructure evolution models and cellular automata models (CA) are established to study the microstructure evolution of plate during asymmetrical shear rolling. The results show that a larger DRX fraction and a smaller average grain size can be obtained at the lower layer of the plate...
January 17, 2018: Materials
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