keyword
MENU ▼
Read by QxMD icon Read
search

planar cell polarity

keyword
https://www.readbyqxmd.com/read/27911818/planar-cell-polarity-signaling-in-the-uterus-directs-appropriate-positioning-of-the-crypt-for-embryo-implantation
#1
Jia Yuan, Jeeyeon Cha, Wenbo Deng, Amanda Bartos, Xiaofei Sun, Hsin-Yi Henry Ho, Jean-Paul Borg, Terry P Yamaguchi, Yingzi Yang, Sudhansu K Dey
Blastocyst implantation is a complex process requiring coordination of a dynamic sequence of embryo-uterine interactions. Blood vessels enter the uterus from the mesometrium, demarcating the uterus into mesometrial (M) and antimesometrial (AM) domains. Implantation occurs along the uterine longitudinal axis within specialized implantation chambers (crypts) that originate within the evaginations directed from the primary lumen toward the AM domain. The morphological orientation of crypts in rodent uteri was recognized more than a century ago, but the mechanism remained unknown...
November 28, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27900010/a-novel-mutation-of-the-fat2-gene-in-spinal-meningioma
#2
Genshu Tate, Koji Kishimoto, Toshiyuki Mitsuya
Meningiomas may be classified as neurofibromin 2 (NF2)-associated and non-NF2 meningiomas depending on the presence or absence of molecular alterations in the NF2 gene. One of the characteristic histological features of meningiomas is the whorl formation of neoplastic arachnoid cells. NF2 is a human homolog of the Drosophila gene, Merlin (Mer). In humans, NF2 is the gene responsible for the disease neurofibromatosis type II, which results in the development of brain tumors, including acoustic neurinoma and meningioma...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27896618/loss-of-liver-kinase-b1-causes-planar-polarity-defects-in-cochlear-hair-cells-in-mice
#3
Yuqin Men, Aizhen Zhang, Liwen Zhang, Yecheng Jin, Zhishuo Wang, Jing Zhao, Xiaolin Yu, Jian Zhang, Jiangang Gao
The tumor suppressor gene liver kinase B1 (LKB1), also called STK11, encodes a serine/threonine kinase. LKB1 plays crucial roles in cell differentiation, proliferation, and polarity. In this study, LKB1 conditional knockout mice (LKB1(Pax2) CKO mice) were generated using Pax2-Cre mice to investigate the function of LKB1 in inner ear hair cells during early embryonic period. LKB1(Pax2) CKO mice died perinatally. Immunofluorescence and scanning electron microscopy revealed that stereociliary bundles in LKB1(Pax2) CKO mice were clustered and misoriented, respectively...
November 28, 2016: Frontiers of Medicine
https://www.readbyqxmd.com/read/27875771/nemo-like-kinase-1-nlk1-and-paraxial-protocadherin-papc-cooperatively-control-xenopus-gastrulation-through-regulation-of-wnt-planar-cell-polarity-pcp-signaling
#4
Rahul Kumar, Anja Ciprianidis, Susanne Theiß, Herbert Steinbeißer, Lilian T Kaufmann
The Wnt/planar cell polarity (PCP) pathway directs cell migration during vertebrate gastrulation and is essential for proper embryonic development. Paraxial protocadherin (PAPC, Gene Symbol pcdh8.2) is an important activator of Wnt/PCP signaling during Xenopus gastrulation, but how PAPC activity is controlled is incompletely understood. Here we show that Nemo-like kinase 1 (Nlk1), an atypical mitogen-activated protein (MAP) kinase, physically associates with the C-terminus of PAPC. This interaction mutually stabilizes both proteins by inhibiting polyubiquitination...
October 28, 2016: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/27856247/the-drosophila-f-box-protein-slimb-controls-dsmurf-protein-turnover-to-regulate-the-hippo-pathway
#5
Liangchang Hu, Ping Wang, Runan Zhao, Shanshan Li, Feng Wang, Chaojie Li, Lei Cao, Shian Wu
SMAD ubiquitination regulatory factors 1 and 2 (Smurf1/2) are members of the HECT domain E3 ligase family which play crucial roles in the regulation of cell cycle progression, planar cell polarity, cancer metastasis and cell apoptosis. We recently showed that the Drosophila homolog dSmurf controls the stability of Warts kinase to regulate the Hippo pathway. In the current study, we found that the F-box protein Slimb controls dSmurf protein level to regulate the Hippo pathway. Slimb physically associates with dSmurf as revealed by co-immunoprecipitation assay in S2 cells...
November 14, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27853583/the-core-planar-cell-polarity-gene-vangl2-directs-adult-corneal-epithelial-cell-alignment-and-migration
#6
Amy S Findlay, D Alessio Panzica, Petr Walczysko, Amy B Holt, Deborah J Henderson, John D West, Ann M Rajnicek, J Martin Collinson
This study shows that the core planar cell polarity (PCP) genes direct the aligned cell migration in the adult corneal epithelium, a stratified squamous epithelium on the outer surface of the vertebrate eye. Expression of multiple core PCP genes was demonstrated in the adult corneal epithelium. PCP components were manipulated genetically and pharmacologically in human and mouse corneal epithelial cells in vivo and in vitro. Knockdown of VANGL2 reduced the directional component of migration of human corneal epithelial (HCE) cells without affecting speed...
October 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27833078/dapper-homolog-1-alpha-suppresses-metastasis-ability-of-gastric-cancer-through-inhibiting-planar-cell-polarity-pathway
#7
Yuegeng Liu, Jingwan Zhang, Weifang Yu, Xiaoming Zhang, Guiqi Wang, Zengren Zhao
Dapper homolog 1 alpha (DACT1α) is a member of DACT family and an important regulator in the planar cell polarity pathway. We aim to clarify its functional role in metastasis ability of gastric cancer. DACT1α was silenced in all gastric cancer cell lines (8/8), but expressed in normal gastric tissue. Ectopic expression of DACT1α in silenced gastric cancer cell lines (AGS, BGC823 and MGC803) by stable transfection significantly suppressed cancer cell spreading (P < 0.05), migration (P < 0.01) and invasion (P < 0...
November 9, 2016: Oncotarget
https://www.readbyqxmd.com/read/27832491/adhesion-gpcrs-govern-polarity-of-epithelia-and-cell-migration
#8
David Strutt, Ralf Schnabel, Franziska Fiedler, Simone Prömel
In multicellular organisms cells spatially arrange in a highly coordinated manner to form tissues and organs, which is essential for the function of an organism. The component cells and resulting structures are often polarised in one or more axes, and how such polarity is established and maintained correctly has been one of the major biological questions for many decades. Research progress has shown that many adhesion GPCRs (aGPCRs) are involved in several types of polarity. Members of the two evolutionarily oldest groups, Flamingo/Celsr and Latrophilins, are key molecules in planar cell polarity of epithelia or the propagation of cellular polarity in the early embryo, respectively...
2016: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/27812042/multifunctional-optical-thin-films-fabricated-by-the-photopolymerization-of-uniaxially-oriented-lyotropic-liquid-crystal-monomers-for-electro-optical-devices
#9
Pureun Im, Yu-Jin Choi, Won-Jin Yoon, Dong-Gue Kang, Minwook Park, Dae-Yoon Kim, Cheul-Ro Lee, Seungbin Yang, Ji-Hoon Lee, Kwang-Un Jeong
A multifunctional optical thin film (MOTF) is fabricated by coating the newly synthesized perylene-based reactive mesogen (PBRM) and stabilized by the subsequent photopolymerization. Based on the spectroscopic results combined with morphological observations, it is found that nematic liquid crystal (NLC) is aligned parallel to the molecular long axis of PBRM not only due to the long-range physical anchoring effect but also due to the short-range molecular physical interactions between alignment layer and NLC molecules...
November 4, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27789627/filamin-a-and-formin-2-dependent-endocytosis-regulates-proliferation-via-the-canonical-wnt-pathway
#10
Gewei Lian, Markus Dettenhofer, Jie Lu, Michael Downing, Anjen Chenn, Timothy Wong, Volney Sheen
Actin-associated proteins regulate multiple cellular processes, including proliferation and differentiation, but the molecular mechanisms underlying these processes are unclear. Here, we report that the actin-binding protein filamin A (FlnA) physically interacts with the actin-nucleating protein formin 2 (Fmn2). Loss of FlnA and Fmn2 impairs proliferation, thereby generating multiple embryonic phenotypes, including microcephaly. FlnA interacts with the Wnt co-receptor Lrp6. Loss of FlnA and Fmn2 impairs Lrp6 endocytosis, downstream Gsk3β activity, and β-catenin accumulation in the nucleus...
December 1, 2016: Development
https://www.readbyqxmd.com/read/27789626/syndecan-4-controls-lymphatic-vasculature-remodeling-during-mouse-embryonic-development
#11
Yingdi Wang, Nicolas Baeyens, Federico Corti, Keiichiro Tanaka, Jennifer S Fang, Jiasheng Zhang, Yu Jin, Brian Coon, Karen K Hirschi, Martin A Schwartz, Michael Simons
The role of fluid shear stress in vasculature development and remodeling is well appreciated. However, the mechanisms regulating these effects remain elusive. We show that abnormal flow sensing in lymphatic endothelial cells (LECs) caused by Sdc4 or Pecam1 deletion in mice results in impaired lymphatic vessel remodeling, including abnormal valve morphogenesis. Ablation of either gene leads to the formation of irregular, enlarged and excessively branched lymphatic vessels. In both cases, lymphatic valve-forming endothelial cells are randomly oriented, resulting in the formation of abnormal valves...
December 1, 2016: Development
https://www.readbyqxmd.com/read/27786448/plasmonic-lattice-lenses-for-multiwavelength-achromatic-focusing
#12
Jingtian Hu, Chang-Hua Liu, Xiaochen Ren, Lincoln J Lauhon, Teri W Odom
This paper describes an evolutionary approach to design flat multiwavelength achromatic lenses based on subwavelength plasmonic nanoparticles. Our lattice evolution algorithm achieved desired optical responses by tuning the arrangement of the phase units on a discrete square lattice. Lattice lenses consisting of a single type of nanoparticle could operate at any wavelength in the visible to near-infrared regime (540-1000 nm) by tailoring the localized surface plasmon resonance. When the unit cells were expanded to anisotropic particle shapes, the planar optics could selectively focus light depending on the polarization of incident light...
October 27, 2016: ACS Nano
https://www.readbyqxmd.com/read/27774671/centriole-positioning-in-epithelial-cells-and-its-intimate-relationship-with-planar-cell-polarity
#13
Jose Maria Carvajal-Gonzalez, Sonia Mulero-Navarro, Marek Mlodzik
Planar cell polarity (PCP)-signaling and associated tissue polarization are evolutionarily conserved. A well documented feature of PCP-signaling in vertebrates is its link to centriole/cilia positioning, although the relationship of PCP and ciliogenesis is still debated. A recent report in Drosophila established that Frizzled (Fz)-PCP core signaling has an instructive input to polarized centriole positioning in non-ciliated Drosophila wing epithelia as a PCP read-out. Here, we review the impact of this observation in the context of recent descriptions of the relationship(s) of core Fz-PCP signaling and cilia/centriole positioning in epithelial and non-epithelial cells...
October 24, 2016: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/27759658/genome-wide-identification-of-expression-quantitative-trait-loci-for-human-telomerase
#14
Hanseol Kim, Jihye Ryu, Chaeyoung Lee
A genome-wide association study was conducted to identify expression quantitative trait loci (eQTL) for human telomerase.We tested the genetic associations of nucleotide variants with expression of the genes encoding human telomerase reverse transcriptase (hTERT) and telomerase RNA components (TERC) in lymphoblastoid cell lines derived from 373 Europeans.Our results revealed 6 eQTLs associated with hTERT (P < 5 × 10). One eQTL (rs17755753) was located in the intron 1 of the gene encoding R-spondin-3 (RSPO3), a well-known Wnt signaling regulator...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27756857/genetic-analysis-of-rare-coding-mutations-in-celsr1-3-in-chinese-congenital-heart-and-neural-tube-defects
#15
Xiaojing Qiao, Yahui Liu, Peiqiang Li, Zhongzhong Chen, Huili Li, Xueyan Yang, Richard H Finnell, Zhangmin Yang, Ting Zhang, Bin Qiao, Yufang Zheng, Hongyan Wang
The planar cell polarity (PCP) pathway is critical for proper embryonic development of the neural tube and heart. Mutations in these genes have previously been implicated in the pathogenesis of neural tube defects (NTDs), but not in congenital heart defects (CHDs) in humans. We systematically identified the mutation patterns of CELSR1-3 , one family of the core PCP genes, in human cohorts composed of 352 NTD cases, 412 CHD cases, and matched controls. A total of 72 disease-specific rare novel coding mutations were identified, of which 37 were identified in CHD cases, and 36 were identified in NTD patients...
October 18, 2016: Clinical Science (1979-)
https://www.readbyqxmd.com/read/27756133/the-transport-and-organization-of-cholesterol-in-planar-solid-supported-lipid-bilayer-depend-on-the-phospholipid-flip-flop-rate
#16
Ting Yu, Guangnan Zhou, Xia Hu, Shuji Ye
Understanding the transport behavior of the cholesterol molecules within cell membrane is a key challenge in cell biology at present. Here, we applied sum frequency generation vibrational spectroscopy (SFG-VS) to characterize the transport and organization of the cholesterol in different kinds of planar solid-supported lipid bilayers by combining achiral and chiral-sensitive polarization measurements. This method allows us to distinguish cholesterol organizations in the tail to tail, head to tail, head to head, and side-by-side manners...
October 18, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/27755493/mutation-of-the-planar-cell-polarity-gene-vangl1-in-adolescent-idiopathic-scoliosis
#17
Malene Rask Andersen, Muhammad Farooq, Karen Koefoed, Klaus W Kjaer, Ane Simony, Sren Tvorup Christensen, Lars Allan Larsen
STUDY DESIGN: Mutation analysis of a candidate disease gene in a cohort of patients with moderate to severe Adolescent idiopathic scoliosis (AIS). OBJECTIVE: To investigate if damaging mutations in the planar cell polarity gene VANGL1 could be identified in AIS patients. SUMMARY OF BACKGROUND DATA: AIS is a spinal deformity which occurs in 1-3% of the population. The cause of AIS is often unknown, but genetic factors are important in the etiology...
October 17, 2016: Spine
https://www.readbyqxmd.com/read/27746048/vamana-couples-fat-signaling-to-the-hippo-pathway
#18
Jyoti R Misra, Kenneth D Irvine
The protocadherins Dachsous and Fat initiate a signaling pathway that controls growth and planar cell polarity by regulating the membrane localization of the atypical myosin Dachs. How Dachs is regulated by Fat signaling has remained unclear. Here we identify the vamana gene as playing a crucial role in regulating membrane localization of Dachs and in linking Fat and Dachsous to Dachs regulation. Vamana, an SH3-domain-containing protein, physically associates with and co-localizes with Dachs and promotes its membrane localization...
October 24, 2016: Developmental Cell
https://www.readbyqxmd.com/read/27729438/a-novel-frizzled-based-screening-tool-identifies-genetic-modifiers-of-planar-cell-polarity-in-drosophila-wings
#19
Jose Maria Carvajal-Gonzalez, Sonia Mulero-Navarro, Michael Smith, Marek Mlodzik
Most mutant alleles in the Fz-PCP pathway genes were discovered in classic Drosophila screens looking for recessive loss-of-function mutations. Nonetheless, although Fz-PCP signaling is sensitive to increased doses of PCP gene products, not many screens have been performed in the wing under genetically engineered Fz over-expression conditions, mostly because the Fz phenotypes were strong and/or not easy to score and quantify. Here we present a screen based on an unexpected mild Frizzled gain-of-function phenotype...
October 11, 2016: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/27709146/convex-and-concave-micro-structured-silicone-controls-the-shape-but-not-the-polarization-state-of-human-macrophages
#20
V Malheiro, F Lehner, V Dinca, P Hoffmann, K Maniura-Weber
The typical foreign body response (FBR) to synthetic implants is characterized by local inflammation and tissue fibrosis. Silicone implants have been associated with the development of adverse capsular contraction (ACC); a form of excessive FBR to the material that often requires the replacement of the implant. It has been shown that surface roughening of silicone can reduce the prevalence of ACC, but the mechanisms remain poorly understood. Macrophages are key cells in FBR. They exert their control mainly by polarizing into pro-inflammatory (M1) or pro-healing (M2) cells...
October 18, 2016: Biomaterials Science
keyword
keyword
47969
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"