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Morphogenesis

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https://www.readbyqxmd.com/read/28339981/transcriptome-analysis-of-comb-and-testis-from-rose-comb-silky-chicken-r1-r1-and-beijing-fatty-wild-type-chicken-r-r
#1
Y Wang, J Li, C Feng, Y Zhao, X Hu, N Li
Rose-comb was one of the chicken comb-variants first used by Bateson and Punnet in 1902 to demonstrate Mendelian inheritance in animals. Rose-comb is a monogenic trait that has been widely described in chickens. It is caused by a large structural rearrangement that leads to mis-expression of transcription factor MNR2 on chromosome 7. Rose-comb has pleiotropic effects in homozygous roosters, which is associated with poor sperm mobility. It was postulated that this is caused by the disruption of the CCDC108 gene located at the distal inversion breakpoint...
March 2, 2017: Poultry Science
https://www.readbyqxmd.com/read/28335554/complete-and-incomplete-hepatitis-b-virus-particles-formation-function-and-application
#2
REVIEW
Jianming Hu, Kuancheng Liu
Hepatitis B virus (HBV) is a para-retrovirus or retroid virus that contains a double-stranded DNA genome and replicates this DNA via reverse transcription of a RNA pregenome. Viral reverse transcription takes place within a capsid upon packaging of the RNA and the viral reverse transcriptase. A major characteristic of HBV replication is the selection of capsids containing the double-stranded DNA, but not those containing the RNA or the single-stranded DNA replication intermediate, for envelopment during virion secretion...
March 21, 2017: Viruses
https://www.readbyqxmd.com/read/28334810/bimodal-regulation-of-dishevelled-function-by-vangl2-during-morphogenesis
#3
Hwa-Seon Seo, Raymond Habas, Chenbei Chang, Jianbo Wang
Convergent extension (CE) is a fundamental morphogenetic mechanism that underlies numerous processes in vertebrate development, and its disruption can lead to human congenital disorders such as neural tube closure defects. The dynamic, oriented cell intercalation during CE is regulated by a group of core proteins identified originally in flies to coordinate epithelial planar cell polarity (PCP). The existing model explains how core PCP proteins, including Van Gogh (Vang) and Dishevelled (Dvl), segregate into distinct complexes on opposing cell cortex to coordinate polarity among static epithelial cells...
March 13, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28334757/perturbations-in-cell-signaling-elicit-early-cardiac-defects-in-mucopolysaccharidosis-type-ii
#4
Roberto Costa, Andrea Urbani, Marika Salvalaio, Stefania Bellesso, Domenico Cieri, Ilaria Zancan, Mirella Filocamo, Paolo Bonaldo, Ildiko Szabò, Rosella Tomanin, Enrico Moro
Morphogens release and activity can be negatively affected by an impaired glycosaminoglycans (GAGs) turnover and proteoglycans assembly in the extracellular matrix, leading to altered tissue morphogenesis. In this work, we show that loss of Iduronate-2-sulfatase (IDS) activity, affecting GAGs catabolism and responsible for a life-threatening valvulopathy in mucopolysaccharidosis type II (MPSII), triggers early Sonic Hedgehog (Shh) and Wnt/β-catenin signaling defects, leading to aberrant heart development and atrioventricular valve formation in a zebrafish model...
February 21, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28333992/improved-epidermal-barrier-formation-in-human-skin-models-by-chitosan-modulated-dermal-matrices
#5
Arnout Mieremet, Marion Rietveld, Samira Absalah, Jeroen van Smeden, Joke A Bouwstra, Abdoelwaheb El Ghalbzouri
Full thickness human skin models (FTMs) contain an epidermal and a dermal equivalent. The latter is composed of a collagen dermal matrix which harbours fibroblasts. Current epidermal barrier properties of FTMs do not fully resemble that of native human skin (NHS), which makes these human skin models less suitable for barrier related studies. To further enhance the resemblance of NHS for epidermal morphogenesis and barrier formation, we modulated the collagen dermal matrix with the biocompatible polymer chitosan...
2017: PloS One
https://www.readbyqxmd.com/read/28332491/corrigendum-endocytic-recycling-protein-ehd1-regulates-primary-cilia-morphogenesis-and-shh-signaling-during-neural-tube-development
#6
Sohinee Bhattacharyya, Mark A Rainey, Priyanka Arya, Bhopal C Mohapatra, Insha Mushtaq, Samikshan Dutta, Manju George, Matthew D Storck, Rodney D McComb, David Muirhead, Gordon L Todd, Karen Gould, Kaustubh Datta, Janee Gelineau-van Waes, Vimla Band, Hamid Band
No abstract text is available yet for this article.
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28331071/cell-cell-and-cell-ecm-adhesions-cooperate-to-organize-actomyosin-networks-and-maintain-force-transmission-during-dorsal-closure
#7
Katharine Goodwin, Emily E Lostchuck, Kaitlyn M L Cramb, Teresa Zulueta-Coarasa, Rodrigo Fernandez-Gonzalez, Guy Tanentzapf
Tissue morphogenesis relies on the coordinated action of actin networks, cell-cell adhesions, and cell-ECM adhesions. Such coordination can be achieved through crosstalk between cell-cell and cell-ECM adhesions. Drosophila Dorsal Closure (DC), a morphogenetic process wherein an extra-embryonic tissue called the amnioserosa contracts and ingresses to close a discontinuity in the dorsal epidermis of the embryo, requires both cell-cell and cell-ECM adhesions. However, whether the function of these two types of adhesion is coordinated during DC is not known...
March 22, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28327670/global-identification-and-analysis-of-isozyme-specific-possible-substrates-crosslinked-by-transglutaminases-using-substrate-peptides-in-mouse-liver-fibrosis
#8
Hideki Tatsukawa, Yuji Tani, Risa Otsu, Haruka Nakagawa, Kiyotaka Hitomi
The transglutaminase (TG) family comprises eight isozymes that form the isopeptide bonds between glutamine and lysine residues and contribute to the fibrotic diseases via crosslinking-mediated stabilization of ECM and the activation of TGF-β in several tissues. However, despite a growing body of evidence implicating TG2 as a key enzyme in fibrosis, the causative role of TG2 and the involvement of the other isozymes have not yet been fully elucidated. Therefore, here we clarified the distributions of TG isozymes and their in situ activities and identified the isozyme-specific possible substrates for both TG1 and TG2 using their substrate peptides in mouse fibrotic liver...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28327558/actomyosin-generated-tension-on-cadherin-is-similar-between-dividing-and-non-dividing-epithelial-cells-in-early-xenopus-laevis-embryos
#9
Gaëtan Herbomel, Guillaume Hatte, Julien Roul, Sergi Padilla-Parra, Jean-Pierre Tassan, Marc Tramier
Epithelia represent a unique situation where polarized cells must maintain sufficiently strong cell-cell contacts to guarantee the epithelial integrity indispensable for barrier functions. Nevertheless, epithelia must also keep sufficient plasticity which is crucial during development and morphogenesis. Adherens junctions and mechanical forces produced by the actomyosin cytoskeleton are major players for epithelial integrity maintenance and plasticity regulations. To understand how the epithelium is able to meet such a challenge, it is indispensable to determine how cellular junctions and mechanical forces acting at adherens junctions are regulated...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28326484/genome-wide-transcriptional-analysis-of-cardiovascular-related-genes-and-pathways-induced-by-pm2-5-in-human-myocardial-cells
#10
Lin Feng, Xiaozhe Yang, Collins Otieno Asweto, Jing Wu, Yannan Zhang, Hejing Hu, Yanfeng Shi, Junchao Duan, Zhiwei Sun
Air pollution has been a major environment-related health threat. Most of the studies on PM2.5 toxicity have verified on the cardiovascular system and endothelial cells. However, researches on PM2.5-induced myocardial-related toxicity are limited. This study aims to fully understand the toxic effects of PM2.5 on human myocardial cell (AC16) and explore its molecular mechanism based on microarray analysis and bioinformatics analysis. Microarray data analysis manifested that PM2.5-induced toxicity affected expression of 472 genes compared with the control group, including 166 upregulated genes and 306 downregulated genes in human myocardial (AC16) cells...
March 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28326328/cooccurrences-of-putative-endogenous-retrovirus-associated-diseases
#11
REVIEW
Christine Brütting, Alexander Emmer, Malte E Kornhuber, Martin S Staege
At least 8% of the human genome is composed of endogenous retrovirus (ERV) sequences. ERVs play a role in placental morphogenesis and can sometimes protect the host against exogenous viruses. On the other hand, ERV reactivation has been found to be associated with different diseases, for example, multiple sclerosis (MS), schizophrenia, type 1 diabetes mellitus (T1D), or amyotrophic lateral sclerosis (ALS). Little is known about the cooccurrence of these diseases. If all these diseases are caused by ERV, antiretroviral therapy should perhaps also show some effects in the other diseases...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28324646/from-snapshots-to-movies-understanding-early-tooth-development-in-four-dimensions
#12
Rebecca Kim, Jeremy B A Green, Ophir D Klein
The developing tooth offers a model for the study of ectodermal appendage organogenesis. The signaling networks that regulate tooth development have been intensively investigated, but how cell biological responses to signaling pathways regulate dental morphogenesis remains an open question. The increasing use of ex vivo imaging techniques has enabled live tracking of cell behaviors over time in high resolution. While recent studies using these techniques have improved our understanding of tooth morphogenesis, important gaps remain that require additional investigation...
March 21, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28323933/research-resource-transcriptional-dynamics-of-cultured-human-villous-cytotrophoblasts
#13
Joshua F Robinson, Mirhan Kapidzic, Matthew Gormley, Katherine Ona, Terrence Dent, Helia Seifikar, Emily G Hamilton, Susan J Fisher
During human pregnancy, cytotrophoblasts (CTBs) play key roles in uterine invasion, vascular remodeling, and anchoring of the feto-placental unit. Due to the challenges associated with studying human placentation in utero, cultured primary villous CTBs are used as a model of the differentiation pathway that leads to invasion of the uterine wall. In vitro, CTBs emulate in vivo cell behaviors, such as migration, aggregation and substrate penetration. While some of the molecular features related to these cell behaviors have been described, the underlying mechanisms, at a global level, remain undefined at mid-gestation...
March 8, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323616/yap-is-essential-for-mechanical-force-production-and-epithelial-cell-proliferation-during-lung-branching-morphogenesis
#14
Chuwen Lin, Erica Yao, Kuan Zhang, Xuan Jiang, Stacey Croll, Katherine Thompson-Peer, Pao-Tien Chuang
Branching morphogenesis is a fundamental program for tissue patterning. We show that active YAP, a key mediator of Hippo signaling, is distributed throughout the murine lung epithelium and loss of epithelial YAP severely disrupts branching. Failure to branch is restricted to regions where YAP activity is removed. This suggests that YAP controls local epithelial cell properties. In support of this model, mechanical force production is compromised and cell proliferation is reduced in Yap mutant lungs. We propose that defective force generation and insufficient epithelial cell number underlie the branching defects...
March 21, 2017: ELife
https://www.readbyqxmd.com/read/28322823/generating-tissue-topology-through-remodeling-of-cell-cell-adhesions
#15
REVIEW
Katharine Goodwin, Celeste M Nelson
During tissue morphogenesis, cellular rearrangements give rise to a large variety of three-dimensional structures. Final tissue architecture varies greatly across organs, and many develop to include combinations of folds, tubes, and branched networks. To achieve these different tissue geometries, constituent cells must follow different programs that dictate changes in shape and/or migratory behavior. One essential component of these changes is the remodeling of cell-cell adhesions. Invasive migratory behavior and separation between tissues require localized breakdown of cadherin-mediated adhesions...
March 16, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28322822/asymmetry-at-cell-cell-interfaces-direct-cell-sorting-boundary-formation-and-tissue-morphogenesis
#16
REVIEW
Rosa Ventrella, Nihal Kaplan, Spiro Getsios
During development, cells of seemingly homogenous character sort themselves out into distinct compartments in order to generate cell types with specialized features that support tissue morphogenesis and function. This process is often driven by receptors at the cell membrane that probe the extracellular microenvironment for specific ligands and alter downstream signaling pathways impacting transcription, cytoskeletal organization, and cell adhesion to regulate cell sorting and subsequent boundary formation...
March 16, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28322736/sall1-and-sall4-repress-pou5f3-family-expression-to-allow-neural-patterning-differentiation-and-morphogenesis-in-xenopus-laevis
#17
Cameron R T Exner, Albert Y Kim, Sarah M Mardjuki, Richard M Harland
The embryonic precursor of the vertebrate central nervous system, the neural plate, is patterned along the anterior-posterior axis and shaped by morphogenetic movements early in development. We previously identified the genes sall1 and sall4, known regulators of pluripotency in other contexts, as transcriptional targets of developmental signaling pathways that regulate neural development. Here, we demonstrate that these two genes are required for induction of posterior neural fates, the cell shape changes that contribute to neural tube closure, and later neurogenesis...
March 18, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28321604/suppression-of-the-smurf1-expression-inhibits-tumor-progression-in-gliomas
#18
Hao Chang, Jingning Zhang, Zengli Miao, Yasuo Ding, Xing Xu, Xudong Zhao, Peng Xu, Qing Wang, Yuchang Lin
Glioblastoma, one of the common malignant brain tumors, results in the highly death, but its underlying molecular mechanisms remain unclear. Smurf1, a member of Nedd4 family of HECT-type ligases, has been reported to contribute to tumorigenicity through several important biological pathways. Recently, it was also found to participate in modulate cellular processes, including morphogenesis, autophagy, growth, and cell migration. In this research, we reported the clinical guiding significance of the expression of Smurf1 in human glioma tissues and cell lines...
March 20, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28320879/metabolism-shapes-the-cell
#19
Anthony M Sperber, Jennifer K Herman
More than five decades of work support the idea that cell envelope synthesis, including the inward growth of cell division, is tightly coordinated with DNA replication and protein synthesis through central metabolism. Remarkably, no unifying model exists to account for how these fundamentally disparate processes are functionally coupled. Recent studies demonstrate that proteins involved in carbohydrate and nitrogen metabolism can moonlight as direct regulators of cell division, coordinate cell division and DNA replication, and even suppress defects in DNA replication...
March 20, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28320388/exploring-the-fgfr3-related-oncogenic-mechanism-in-bladder-cancer-using-bioinformatics-strategy
#20
Wei Cao, Enguang Ma, Li Zhou, Tan Yuan, Chunying Zhang
BACKGROUND: Aberrant activation of fibroblast growth factor receptor 3 (FGFR3) is frequently observed in bladder cancer, but how it involved in carcinogenesis is not well understood. The current study was aimed to investigate the underlying mechanism on the progression of bladder cancer. METHODS: The GSE41035 dataset downloaded from Gene Expression Omnibus was used to identify the differentially expressed genes (DEGs) between bladder cancer cell line RT112 with or without depletion of FGFR3, and gene ontology enrichment analysis was performed...
March 20, 2017: World Journal of Surgical Oncology
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