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Focal adhesion kinase

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https://www.readbyqxmd.com/read/28098292/an-andrographolide-derivative-agp-26b-exhibiting-anti-angiogenic-activity-in-huvecs-and-zebrafish-via-blocking-the-vegfa-vegfr2-signaling-pathway
#1
Bin Huang, Yuran Peng, Jingjing Li, Shang Li, Yicheng Sun, Decai Wang, Binrui Yang, Judy Yuet-Wa Chan, Huidong Yu, George Pak-Heng Leung, Maggie Pui-Man Hoi, Guo-Chun Zhou, Simon Ming-Yuen Lee
The aim of this study is to investigate the anti-angiogenic properties of andrographolide derivatives AGP-26a (12β-isomer), AGP-26b (12α-isomer) and AGP-26 (4 : 1 mixture of AGP-26a and AGP-26b) in vitro and in vivo. Human umbilical vein endothelial cells (HUVECs) and the Tg(fli-1a:EGFP)y1 zebrafish model were used to identify the anti-angiogenic activities of AGP-26, AGP-26a, and AGP-26b. The results showed that AGP-26b exhibits the strongest inhibitory effect on VEGF-induced proliferation, migration, invasion and formation of capillary-like structures in HUVECs...
January 18, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28098160/a-zip6-zip10-heteromer-controls-ncam1-phosphorylation-and-integration-into-focal-adhesion-complexes-during-epithelial-to-mesenchymal-transition
#2
Dylan Brethour, Mohadeseh Mehrabian, Declan Williams, Xinzhu Wang, Farinaz Ghodrati, Sepehr Ehsani, Elizabeth A Rubie, James R Woodgett, Jean Sevalle, Zhengrui Xi, Ekaterina Rogaeva, Gerold Schmitt-Ulms
The prion protein (PrP) evolved from the subbranch of ZIP metal ion transporters comprising ZIPs 5, 6 and 10, raising the prospect that the study of these ZIPs may reveal insights relevant for understanding the function of PrP. Building on data which suggested PrP and ZIP6 are critical during epithelial-to-mesenchymal transition (EMT), we investigated ZIP6 in an EMT paradigm using ZIP6 knockout cells, mass spectrometry and bioinformatic methods. Reminiscent of PrP, ZIP6 levels are five-fold upregulated during EMT and the protein forms a complex with NCAM1...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094806/plant-toxin-%C3%AE-odap-activates-integrin-%C3%AE-1-and-focal-adhesion-a-critical-pathway-to-cause-neurolathyrism
#3
Rui-Yue Tan, Geng-Yan Xing, Guang-Ming Zhou, Feng-Min Li, Wen-Tao Hu, Fernand Lambein, Jun-Lan Xiong, Sheng-Xiang Zhang, Hai-Yan Kong, Hao Zhu, Zhi-Xiao Li, You-Cai Xiong
Neurolathyrism is a unique neurodegeneration disease caused by β-N-oxalyl-L-α, β- diaminopropionic (β-ODAP) present in grass pea seed (Lathyrus stativus L.) and its pathogenetic mechanism is unclear. This issue has become a critical restriction to take full advantage of drought-tolerant grass pea as an elite germplasm resource under climate change. We found that, in a human glioma cell line, β-ODAP treatment decreased mitochondrial membrane potential, leading to outside release and overfall of Ca(2+) from mitochondria to cellular matrix...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28092671/pde4d-promotes-fak-mediated-cell-invasion-in-braf-mutated-melanoma
#4
J Delyon, A Servy, F Laugier, J André, N Ortonne, M Battistella, S Mourah, A Bensussan, C Lebbé, N Dumaz
The cyclic AMP (cAMP) signaling pathway is critical in melanocyte biology for regulating differentiation. It is downregulated by phosphodiesterase (PDE) enzymes, which degrade cAMP itself. In melanoma evidence suggests that inhibition of the cAMP pathway by PDE type 4 (PDE4) favors tumor progression. For example, in melanomas harboring RAS mutations, the overexpression of PDE4 is crucial for MAPK pathway activation and proliferation induced by oncogenic RAS. Here we showed that PDE4D is overexpressed in BRAF-mutated melanoma cell lines, constitutively disrupting the cAMP pathway activation...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28088523/the-selective-cysteinyl-leukotriene-receptor-1-cyslt1r-antagonist-montelukast-regulates-extracellular-matrix-remodeling
#5
Jingli Peng, Hezheng Zhou, Guoping Kuang, Lilian Xie, Tao Tian, Ru Liu
Scar formation after filtration surgery of glaucoma is mainly caused by excessive synthesis of new extracellular matrix (ECM) and contraction of subconjunctival tissue mediated by human Tenon fibroblasts (HTFs) and the transforming growth factor (TGF-β1). Montelukast, a potent and specific cysteinyl leukotriene receptor 1 (cysLT1R) antagonist, is a licensed drug clinically used for the treatment of bronchial asthma. In this study, we investigated the effects of montelukast on the contractility of HTFs cultured in a three-dimensional collagen gel...
January 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28077433/osteoprotegerin-disruption-attenuates-hysu-induced-pulmonary-hypertension-through-integrin-%C3%AE-v%C3%AE-3-fak-akt-pathway-suppression
#6
Daile Jia, Qian Zhu, Huan Liu, Caojian Zuo, Yuhu He, Guilin Chen, Ankang Lu
BACKGROUND: Pulmonary arterial remodeling characterized by increased vascular smooth muscle proliferation is commonly seen in life-threatening disease, pulmonary arterial hypertension (PAH). Clinical studies have suggested a correlation between osteoprotegerin serum levels and PAH severity. Here, we aimed to invhestigate vascular osteoprotegerin expression and its effects on pulmonary arterial smooth muscle cell proliferation in vitro and in vivo, as well as examine the signal transduction pathways mediating its activity...
February 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/28076322/aeroallergen-der-p-2-promotes-motility-of-human-non-small-cell-lung-cancer-cells-via-toll-like-receptor-mediated-up-regulation-of-urokinase-type-plasminogen-activator-and-integrin-focal-adhesion-kinase-signaling
#7
Chun-Hsiang Lin, Hui-Han Lin, Cheng-Yi Kuo, Shao-Hsuan Kao
House dust mite (HDM) allergens are one of the major causes leading to respiratory hypersensitiveness and airway remodeling. Here we hypothesized that a major HDM allergen Der p 2 could increase cell motility and invasiveness of non-small cell lung cancer (NSCLC) cells. Our results showed that low dose (1 and 3 μg/mL) recombinant Der p 2 protein (DP2) enhanced the migration and invasiveness of human NSCLC cell A549, H1299 and CL1-5, but nonsignificantly altered their growth. Further investigation revealed that integrin αV level was increased and its downstream signaling including focal adhesion kinase (FAK) and paxillin were activated in A549 cells exposed to DP2...
January 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28075447/anti-metastatic-effect-of-rhodomyrtone-from-rhodomyrtus-tomentosa-on-human-skin-cancer-cells
#8
Malatee Tayeh, Sirinun Nilwarangoon, Wilawan Mahabusarakum, Ramida Watanapokasin
This study focused on the inhibitory effect of rhodomyrtone, a bioactive compound isolated from the leaves of Rhodomyrtus tomentosa (Aiton) Hassk., on cancer metastasis in epidermoid carcinoma A431 cells and on the verification of the underlying related molecular mechanisms of this event. We demonstrated that rhodomyrtone at the subcytotoxic concentration (0.5 and 1.5 µg/ml) exhibited pronounced inhibition of cancer metastasis by reducing cell migration, cell adhesive ability and cell invasion of A431 cells in a dose-dependent manner...
January 9, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28072455/src-and-phospho-fak-kinases-are-activated-by-allopregnanolone-promoting-schwann-cells-motility-morphology-and-myelination
#9
Simona Melfi, Maria Magdalena Montt Guevara, Veronica Bonalume, Massimiliano Ruscica, Alessandra Colciago, Tommaso Simoncini, Valerio Magnaghi
Schwann cells' (SCs) development and maturation require coordinate and complementary interaction among several signals and intracellular pathways. Among factors controlling these processes, the signalling intermediates Src tyrosine kinase and focal adhesion kinase (FAK) are relevant for SCs' fate, participating in regulation of SC adhesion, motility and migration. Recently, the progesterone metabolite allopregnanolone (ALLO) was proved to be synthesized by SCs, whereas it acts autocrinally on SC motility and proliferation, which are crucial processes for nerve development, maturation and regeneration...
January 10, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28069919/calpain-mediated-proteolysis-of-talin-and-fak-regulates-adhesion-dynamics-necessary-for-axon-guidance
#10
Patrick C Kerstein, Kevin M Patel, Timothy M Gomez
: Guidance of axons to their proper synaptic target sites requires spatially and temporally precise modulation of biochemical signals within growth cones. Ionic calcium (Ca(2+)) is an essential signal for axon guidance that mediates opposing affects on growth cone motility. The diverse effects of Ca(2+) arise from the precise localization of Ca(2+) signals into microdomains containing specific Ca(2+) effectors. For example, differences in the mechanical and chemical composition of the underlying substrata elicit local Ca(2+) signals within growth cone filopodia that regulate axon guidance through activation of the protease calpain...
January 9, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28069443/the-cyclic-amp-phosphodiesterase-4d5-pde4d5-receptor-for-activated-c-kinase-1-rack1-signalling-complex-as-a-sensor-of-the-extracellular-nano-environment
#11
REVIEW
Stephen J Yarwood, Euan Parnell, Rebecca J Bird
The cyclic AMP and protein kinase C (PKC) signalling pathways regulate a wide range of cellular processes that require tight control, including cell proliferation and differentiation, metabolism and inflammation. The identification of a protein complex formed by receptor for activated C kinase 1 (RACK1), a scaffold protein for protein kinase C (PKC), and the cyclic AMP-specific phosphodiesterase, PDE4D5, demonstrates a potential mechanism for crosstalk between these two signalling routes. Indeed, RACK1-bound PDE4D5 is activated by PKCα, providing a route through which the PKC pathway can control cellular cyclic AMP levels...
January 6, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28068557/cordycepin-inhibits-migration-of-human-glioblastoma-cells-by-affecting-lysosomal-degradation-and-protein-phosphatase-activation
#12
Dueng-Yuan Hueng, Ching-Hsuan Hsieh, Yu-Chen Cheng, Wen-Chiuan Tsai, Ying Chen
Cordycepin, a nucleoside-derivative-isolated form Cordyceps militaris, has been reported to suppress tumor cell proliferation and cause apoptosis. This study investigates the effect of cordycepin on the migration of human glioblastoma cells. Cordycepin suppressed the migration of the human glioblastoma cell lines U87MG and LN229 in transwell and wound healing assays. Cordycepin decreased protein expression of integrin α1, focal adhesion kinase (FAK), p-FAK, paxillin and p-paxillin. The lysosomal inhibitor NH4Cl blocked the ability of cordycepin to inhibit focal adhesion protein expression and glioma cell migration...
December 29, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28067792/focal-adhesion-kinase-insight-into-molecular-roles-and-functions-in-hepatocellular-carcinoma
#13
REVIEW
Nadia Panera, Annalisa Crudele, Ilaria Romito, Daniela Gnani, Anna Alisi
Hepatocellular carcinoma (HCC) is the third leading cause of cancer-related death worldwide. Due to the high incidence of post-operative recurrence after current treatments, the identification of new and more effective drugs is required. In previous years, new targetable genes/pathways involved in HCC pathogenesis have been discovered through the help of high-throughput sequencing technologies. Mutations in TP53 and β-catenin genes are the most frequent aberrations in HCC. However, approaches able to reverse the effect of these mutations might be unpredictable...
January 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28067275/sdf-1-cxcr4-axis-induces-human-dental-pulp-stem-cell-migration-through-fak-pi3k-akt-and-gsk3%C3%AE-%C3%AE-catenin-pathways
#14
Mingwei Li, Xuefei Sun, Liang Ma, Lu Jin, Wenfei Zhang, Min Xiao, Qing Yu
SDF-1 (stromal cell derived factor-1) has been found to be widely expressed during dental pulp inflammation, while hDPSCs (human dental pulp stem cells) contribute to the repair of dental pulp. We showed that the migration of hDPSCs was induced by SDF-1 in a concentration-dependent manner and could be inhibited with siCXCR4 (C-X-C chemokine receptor type 4) and siCDC42 (cell division control protein 42), as well as drug inhibitors such as AMD3100 (antagonist of CXCR4), LY294002 (inhibitor of PI3K) and PF573228 (inhibitor of FAK)...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28063985/revealing-the-three-dimensional-architecture-of-focal-adhesion-components-to-explain-ca-2-mediated-turnover-of-focal-adhesions
#15
Shu-Jing Chang, Ying-Chi Chen, Chi-Hsun Yang, Soon-Cen Huang, Ho-Kai Huang, Chun-Chun Li, Hans I-Chen Harn, Wen-Tai Chiu
BACKGROUND: Focal adhesions (FAs) are large, dynamic protein complexes located close to the plasma membrane, which serve as the mechanical linkages and a biochemical signaling hub of cells. The coordinated and dynamic regulation of focal adhesion is required for cell migration. Degradation, or turnover, of FAs is a major event at the trailing edge of a migratory cell, and is mediated by Ca(2+)/calpain-dependent proteolysis and disassembly. Here, we investigated how Ca(2+) influx induces cascades of FA turnover in living cells...
January 5, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28060564/annexin-a8-promotes-vegf-a-driven-endothelial-cell-sprouting
#16
Nicole Heitzig, Benjamin F Brinkmann, Sophia N Koerdt, Gonzalo Rosso, Victor Shahin, Ursula Rescher
The physiological and pathological process of angiogenesis relies on orchestrated endothelial cell (EC) adhesion, migration and formation of new vessels. Here we report that human umbilical vein endothelial cells (HUVECs) deficient in Annexin A8 (AnxA8), a member of the annexin family of Ca(2+)- and membrane binding proteins, are strongly deficient in their ability to sprout in response to vascular endothelial growth factor (VEGF)-A, and are strongly impaired in their ability to migrate and adhere to β1 integrin-binding extracellular matrix (ECM) proteins...
January 6, 2017: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/28057129/-effect-of-rab11-gene-expression-on-the-invasion-and-migration-of-cervical-cancer-cell-line-siha-in-hypoxia
#17
H Xu, Y Yuan, J Y Ji, Q Jiang, L J Niu, N L Liu, L Z Zhang, X Wang
Objective: To explore the expression of Ras-related protein 11 (Rab11) in hypoxia, the effect of Rab11 on the invasion and migration of cervical cancer cell line SiHa and its possible mechanism. Methods: SiHa cells were divided into 4 groups, the normoxic blank group (normal culture in normoxia), the hypoxic blank group (normal culture in hypoxia), the negative control group [transfection of negative control small interfering RNA (siRNA) in hypoxia], the Rab11-siRNA group (transfection of Rab11 siRNA in hypoxia)...
December 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28053698/vincristine-alleviates-adriamycin-induced-nephropathy-through-stabilizing-actin-cytoskeleton
#18
Lei Yin, Youying Mao, Hejie Song, Ye Wang, Wei Zhou, Zhen Zhang
Antimicrotubule agent vincristine (VCR) has long been known as an alternative treatment for frequent relapse nephrotic syndrome and steroid-dependent nephrotic syndrome (SDNS). However, the mechanism is unknown. Here we found that VCR at a dosage much lower than that as an antimicrotubule agent can alleviate adriamycin (ADR)-induced proteinuria and podocyte foot process effacement. In cultured podocytes, VCR prevents ADR-induced actin fiber disorganization. In both in vitro and in vivo models, VCR suppresses ADR-induced overexpression of α3β1 integrin and focal adhesion kinase (FAK)...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28050799/thyroid-hormone-controls-breast-cancer-cell-movement-via-integrin-%C3%AE-v-%C3%AE-3-src-fak-pi3-kinases
#19
Marina Inés Flamini, Ivonne Denise Uzair, Gisela Erika Pennacchio, Flavia Judith Neira, Joselina Magali Mondaca, Fernando Dario Cuello-Carrión, Graciela Alma Jahn, Tommaso Simoncini, Angel Matías Sanchez
Thyroid hormones (TH) play a fundamental role in diverse processes, including cellular movement. Cell migration requires the integration of events that induce changes in cell structure towards the direction of migration. These actions are driven by actin remodeling and stabilized by the development of adhesion sites to extracellular matrix via transmembrane receptors linked to the actin cytoskeleton. Focal adhesion kinase (FAK) is a non-receptor tyrosine kinase that promotes cell migration and invasion through the control of focal adhesion turnover...
January 3, 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/28041789/relm-%C3%AE-promotes-human-pulmonary-artery-smooth-muscle-cell-proliferation-via-fak-stimulated-surviving
#20
Chunlong Lin, Xiaohui Li, Qiong Luo, Hui Yang, Lun Li, Qiong Zhou, Yue Li, Hao Tang, Lifu Wu
Resistin-like molecule-β (RELM-β), focal adhesion kinase (FAK), and survivin may be involved in the proliferation of cultured human pulmonary artery smooth muscle cells (HPAMSCs), which is involved in pulmonary hypertension. HPAMSCs were treated with human recombinant RELM-β (rhRELM-β). siRNAs against FAK and survivin were transfected into cultured HPASMCs. Expression of FAK and survivin were examined by RT-PCR and western blot. Immunofluorescence was used to localize FAK. Flow cytometry was used to examine cell cycle distribution and cell death...
December 29, 2016: Experimental Cell Research
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