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https://www.readbyqxmd.com/read/28219567/contraceptive-implant-embolism-into-the-pulmonary-artery-thoracoscopic-retrieval
#1
Pascal A Thomas, Donatella Di Stefano, Cécile Couteau, Xavier Benoît D'Journo
An 18-year old woman had migration of a subdermal contraceptive implant in a subsegmental branch of her left lower lobe pulmonary artery. She was managed successfully through a conservative surgical approach, as the implant was removed from the pulmonary artery thoracoscopically, thereby avoiding the need of thoracotomy or lung resection.
March 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28219140/-effects-of-transient-exposure-to-high-glucose-on-biological-behaviors-of-human-dermal-microvascular-endothelial-cells
#2
L Qiao, H Z Yang, X C Li, X Q Huang, B Yuan, Z D Zhou
Objective: To observe the effects of transient exposure to high glucose on biological behaviors of human dermal microvascular endothelial cells cultured in vitro. Methods: The dividing method and treatment of cells for the detection of all indexes in this study were as follows. Human dermal microvascular endothelial cells of the 4th passage were divided into 3 groups according to the random number table, with 12 wells in each group. Cells in control group (C) were cultured with complete culture solution containing 5 mmol/L D-glucose for 7 d...
February 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28214893/the-role-of-netrins-and-their-receptors-in-epithelial-mesenchymal-plasticity-during-development
#3
Michael J Murray
Transitions between mesenchymal and epithelial cells are underpinned by changes in motility, adhesion, and polarity. Netrins and their receptors can control each of these cellular properties, and are emerging as important regulators of epithelial mesenchymal plasticity (EMP). Netrins were first identified in the worm Caenorhabditis elegans as secreted chemoattractants/repellents that could guide migrating mesodermal cells and axonal growth cones. Orthologues were subsequently found to play conserved roles in vertebrates and in the vinegar fly Drosophila...
2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28208423/modeling-angiogenesis-a-discrete-to-continuum-description
#4
Samara Pillay, Helen M Byrne, Philip K Maini
Angiogenesis is the process by which new blood vessels develop from existing vasculature. During angiogenesis, endothelial tip cells migrate via diffusion and chemotaxis, loops form via tip-to-tip and tip-to-sprout anastomosis, new tip cells are produced via branching, and a vessel network forms as endothelial cells follow the paths of tip cells. The latter process is known as the snail trail. We use a mean-field approximation to systematically derive a continuum model from a two-dimensional lattice-based cellular automaton model of angiogenesis in the corneal assay, based on the snail-trail process...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28201758/a-branch-migration-based-fluorescent-probe-for-straightforward-sensitive-and-specific-discrimination-of-dna-mutations
#5
Xianjin Xiao, Tongbo Wu, Lei Xu, Wei Chen, Meiping Zhao
No abstract text is available yet for this article.
February 15, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28186970/high-expression-of-gfat1-predicts-unfavorable-prognosis-in-patients-with-hepatocellular-carcinoma
#6
Lili Li, Miaomiao Shao, Peike Peng, Caiting Yang, Shushu Song, Fangfang Duan, Dongwei Jia, Mingming Zhang, Junjie Zhao, Ran Zhao, Weicheng Wu, Lan Wang, Can Li, Hao Wu, Jie Zhang, Xin Wu, Yuanyuan Ruan, Jianxin Gu
Hepatocellular carcinoma (HCC) is the second leading cause of cancer-related deaths worldwide. As a branch of glucose metabolism, hexosamine biosynthesis pathway (HBP) has been reported to play a critical role in the insulin resistance and progression of cancer. Glutamine:fructose-6-phosphate amidotransferase (GFAT) is the rate-limiting enzyme of the HBP; nevertheless, the prognostic value of GFAT1 in HCC remains elusive. In this study, we found that high expression of GFAT1 was significantly associated with serum alpha-fetoprotein (AFP), serum alanine aminotransferase (ALT), tumor size, tumor encapsulation, T stage and TNM stage...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28181379/inhibitory-effects-of-leucaena-leucocephala-on-the-metastasis-and-invasion-of-human-oral-cancer-cells
#7
Hsiao-Hang Chung, Mu-Kuan Chen, Yu-Chao Chang, Shun-Fa Yang, Chia-Chieh Lin, Chiao-Wen Lin
Oral cancer is one of the most common cancers worldwide, and metastasis is recognized as a major factor causing its low survival rate. The inhibition of metastasis progress and the improvement of the survival rate for oral cancer are critical research objectives. Leucaena leucocephala from the mimosa branch Leucaena genus is native to Central and South America and has been used as a traditional remedy for treating various disorders. Previous studies have demonstrated antioxidant, anti-inflammatory as well as anticancer properties of L...
February 9, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28178688/upregulated-wee1-protects-endothelial-cells-of-colorectal-cancer-liver-metastases
#8
Peter J Webster, Anna T Littlejohns, Hannah J Gaunt, Richard S Young, Baptiste Rode, Judith E Ritchie, Lucy F Stead, Sally Harrison, Alastair Droop, Heather L Martin, Darren C Tomlinson, Adam J Hyman, Hollie L Appleby, Sally Boxall, Alexander F Bruns, Jing Li, Raj K Prasad, J Peter A Lodge, Dermot A Burke, David J Beech
Surgical resection of colorectal cancer liver metastases (CLM) can be curative, yet 80% of patients are unsuitable for this treatment. As angiogenesis is a determinant of CLM progression we isolated endothelial cells from CLM and sought a mechanism which is upregulated, essential for angiogenic properties of these cells and relevant to emerging therapeutic options. Matched CLM endothelial cells (CLMECs) and endothelial cells of normal adjacent liver (LiECs) were superficially similar but transcriptome sequencing revealed molecular differences, one of which was unexpected upregulation and functional significance of the checkpoint kinase WEE1...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28175172/p608-new-anti-migration-extractible-metal-stents-for-crohn-s-disease-strictures-a-nationwide-getaid-sfed-cohort-study
#9
A Attar, J Branche, E Coron, J Privat, L Caillo, J-B Chevaux, L Vuitton, A Amiot, H Belkhodja, A Buisson, X Dray, L Jerber, T Ponchon, Y Bouhnik, L Peyrin-Biroulet
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28174204/patterned-cell-and-matrix-dynamics-in-branching-morphogenesis
#10
REVIEW
Shaohe Wang, Rei Sekiguchi, William P Daley, Kenneth M Yamada
Many embryonic organs undergo branching morphogenesis to maximize their functional epithelial surface area. Branching morphogenesis requires the coordinated interplay of multiple types of cells with the extracellular matrix (ECM). During branching morphogenesis, new branches form by "budding" or "clefting." Cell migration, proliferation, rearrangement, deformation, and ECM dynamics have varied roles in driving budding versus clefting in different organs. Elongation of the newly formed branch and final maturation of the tip involve cellular mechanisms that include cell elongation, intercalation, convergent extension, proliferation, and differentiation...
February 7, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28161998/paternal-genetic-structure-in-contemporary-mennonite-communities-from-the-american-midwest
#11
Kristine G Beaty, M J Mosher, Michael H Crawford, Phillip Melton
Over the last 35 years, researchers from the Laboratory of Biological Anthropology at the University of Kansas have been working with Mennonite communities to better understand evolutionary patterns of fission-fusion in relationship to their genetic history and population structure. In this study, short tandem repeat (STR) markers from the nonrecombining region of the Y chromosome (NRY) provided increased resolution of the molecular population structure for these groups. NRY is known to be informative for determining paternal genetic ancestral patterns in recently derived human populations...
April 2016: Human Biology
https://www.readbyqxmd.com/read/28160860/novel-effect-and-the-mechanistic-insights-of-fruiting-body-extract-of-medicinal-fungus-antrodia-cinnamomea-against-t47d-breast-cancer
#12
Kuang-Ming Shang, Tzu-Hsuan Su, Wai Leng Lee, Wen-Wei Hsiao, Ching-Yi Chiou, Bing-Ying Ho, Sheng-Yang Wang, Lie-Fen Shyur
INTRODUCTION: Tamoxifen, an anti-oestrogenic drug for estrogen receptor positive (ER+) breast cancer, was observed to stimulate tumor growth or drug resistance in patients. Antrodia cinnamomea (AC), a precious medicinal fungus has been traditionally used as a folk remedy for cancers in Asian countries. The objective of this study was to investigate the bioefficacy and the underlying molecular mechanisms of the AC fruiting bodies extracts (AC-3E) against human ER+ T47D breast cancer cells, and compare the effect with that of tamoxifen...
January 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28143999/3d-hydrogel-based-microwell-arrays-as-a-tumor-microenvironment-model-to-study-breast-cancer-growth
#13
John Casey, Xiaoshan Yue, DungTrung Nguyen, Aylin Acun, Victoria Zellmer, Siyuan Zhang, Pinar Zorlutuna
The tumor microenvironment (TME) is distinctly heterogeneous and is involved in tumor growth, metastasis, and drug resistance. Mimicking this diverse microenvironment is essential for understanding tumor growth and metastasis. Despite the substantial scientific progress made with traditional cell culture methods, microfabricated three-dimensional (3D) cell cultures that can be precisely controlled to mimic the changes occur in the TME over tumor progression are necessary for simulating organ-specific TME in vitro...
February 1, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28126562/genetic-diversity-and-evolution-of-dengue-virus-serotype-3-a-comparative-genomics-study
#14
Vaishali P Waman, Mohan M Kale, Urmila Kulkarni-Kale
Dengue virus serotype 3 (DENV-3), one of the four serotypes of Dengue viruses, is geographically diverse. There are five distinct genotypes (I-V) of DENV-3. Emerging strains and lineages of DENV-3 are increasingly being reported. Availability of genomic data for DENV-3 strains provides opportunity to study its population structure. Complete genome sequences are available for 860 strains of four genotypes (I, II, III and V) isolated worldwide and were analyzed using population genetics and evolutionary approaches to map landscape of genomic diversity...
January 23, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28115158/mdia2-and-cxcl12-cxcr4-chemokine-signaling-intersect-to-drive-tumor-cell-amoeboid-morphological-transitions
#15
Meghan M Wyse, Silvia Goicoechea, Rafael Garcia-Mata, Andrea L Nestor-Kalinoski, Kathryn M Eisenmann
Morphological plasticity in response to environmental cues in migrating cancer cells requires F-actin cytoskeletal rearrangements. Conserved formin family proteins play critical roles in cell shape, tumor cell motility, invasion and metastasis, in part, through assembly of non-branched actin filaments. Diaphanous-related formin-2 (mDia2/Diaph3/Drf3/Dia) regulates mesenchymal-to-amoeboid morphological conversions and non-apoptotic blebbing in tumor cells by interacting with its inhibitor diaphanous-interacting protein (DIP), and disrupting cortical F-actin assembly and bundling...
January 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28113561/implementing-nonlinear-feedback-controllers-using-dna-strand-displacement-reactions
#16
Rucha Sawlekar, Francesco Montefusco, Vishwesh V Kulkarni, Declan G Bates
We show how an important class of nonlinear feedback controllers can be designed using idealized abstract chemical reactions and implemented via DNA strand displacement (DSD) reactions. Exploiting chemical reaction networks (CRNs) as a programming language for the design of complex circuits and networks, we show how a set of unimolecular and bimolecular reactions can be used to realize input-output dynamics that produce a nonlinear quasi sliding mode (QSM) feedback controller. The kinetics of the required chemical reactions can then be implemented as enzyme-free, enthalpy/entropy driven DNA reactions using a toehold mediated strand displacement mechanism via Watson-Crick base pairing and branch migration...
April 29, 2016: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28111255/delayed-treatment-of-6-bromoindirubin-3-oxime-stimulates-neurogenesis-and-functional-recovery-after-focal-ischemic-stroke-in-mice
#17
Li-Li Wang, Jimei Li, Xiaohuan Gu, Ling Wei, Shan Ping Yu
Glycogen synthase kinase 3β (GSK3β) was originally identified as a regulator for glycogen metabolism and is now an important therapeutic target for a variety of brain disorders including neurodegenerative diseases due to it's pivotal role in cellular metabolism, proliferation and differentiation. In the development of stroke therapies focusing on tissue repair and functional recovery, promoting neurogenesis is a main approach in regenerative medicine. In the present investigation, we explored the effects of a GSK3β specific inhibitor, 6-Bromoindirubin-3'-oxime (BIO), on regenerative activities of neuroblasts in the subventricular zone (SVZ) and functional recovery after focal cerebral ischemia...
January 19, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28111206/de-novo-assembly-and-characterization-of-the-transcriptome-of-the-newly-described-dinoflagellate-ansanella-granifera-spotlight-on-flagellum-associated-genes
#18
Se Hyeon Jang, Hae Jin Jeong, Jae Kyung Chon, Sung Yeon Lee
Many dinoflagellates are known to cause red tides and often outgrow non-motile diatoms and motile small flagellates through active vertical migration between well-lit surface and eutrophic deep waters and/or by locating and ingesting prey cells. Their flagella play important roles in these two critical behaviors. However, the structural and functional genes of dinoflagellate flagella are very little known. Thus, a de novo assembly and characterization of the transcriptome of the fast-swimming dinoflagellate Ansanella granifera were conducted and its flagellum genes were compared with those of other dinoflagellates, motile small flagellates, and non-motile protist species...
January 19, 2017: Marine Genomics
https://www.readbyqxmd.com/read/28104388/the-nedd4-binding-protein-3-is-required-for-anterior-neural-development-in-xenopus-laevis
#19
Lena-Maria Kiem, Petra Dietmann, Alexander Linnemann, Michael J Schmeisser, Susanne J Kühl
The Fezzin family member Nedd4-binding protein 3 (N4BP3) is known to regulate axonal and dendritic branching. Here, we show that n4bp3 is expressed in the neural tissue of the early Xenopus laevis embryo including the eye, the brain and neural crest cells. Knockdown of N4bp3 in the Xenopus anterior neural tissue results in severe developmental impairment of the eye, the brain and neural crest derived cranial cartilage structures. Moreover, we demonstrate that N4bp3 depletion leads to a significant reduction of both eye and brain specific marker genes and reduced neural crest cell migration...
January 17, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28100790/genome-wide-analysis-in-brazilians-reveals-highly-differentiated-native-american-genome-regions
#20
Josyf C Mychaleckyj, Alexandre Havt, Uma Nayak, Relana Pinkerton, Emily Farber, Patrick Concannon, Aldo A Lima, Richard L Guerrant
Despite its population, geographic size, and emerging economic importance, disproportionately little genome-scale research exists into genetic factors that predispose Brazilians to disease, or the population genetics of risk. After identification of suitable proxy populations and careful analysis of tri-continental admixture in 1,538 North-Eastern Brazilians to estimate individual ancestry and ancestral allele frequencies, we computed 400,000 genome-wide locus-specific branch length (LSBL) Fst statistics of Brazilian Amerindian ancestry compared to European and African; and a similar set of differentiation statistics for their Amerindian component compared to the closest Asian 1000 Genomes population (surprisingly, Bengalis in Bangladesh)...
January 18, 2017: Molecular Biology and Evolution
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