نتایج جستجو برای: dvl
تعداد نتایج: 396 فیلتر نتایج به سال:
Cells often respond to diverse environmental stresses by inducing stress granules (SGs) as an adaptive mechanism. SGs are generally assembled as a result of aggregation of mRNAs stalled in a translational pre-initiation complex, mediated by a set of RNA-binding proteins such as G3BP and TIA-1. SGs may serve as triage centres for storage, translation re-initiation or degradation of specific mRNA...
Par polarity complex, consisting of Par3, Par6, and aPKC, plays a conserved role in the establishment and maintenance of polarization in diverse cellular contexts. Recent reports suggest that Dishevelled (Dvl), a cytoplasmic mediator of Wnt signalling, interacts with atypical protein kinase C and regulates its activity during neuronal differentiation and directed cell migration. Here we show th...
Wnt signaling via the Frizzled (Fz) receptor controls cell polarity and movement during development, but the molecular nature of Wnt/Fz polarity signal transduction remains poorly defined. Here we report that in human cells and during Xenopus embryogenesis, Wnt/Fz signaling activates the small GTPase Rho, a key regulator of cytoskeleton architecture. Wnt/Fz activation of Rho requires the cytopl...
Alzheimer's disease (AD) is a disorder of two pathologies: amyloid plaques, the core of which is a peptide derived from the amyloid precursor protein (APP), and neurofibrillary tangles composed of highly phosphorylated tau. Protein kinase C (PKC) is known to increase non-amyloidogenic alpha-secretase cleavage of APP, producing secreted APP (sAPPalpha), and glycogen synthase kinase (GSK)-3beta i...
Canonical Wnt/beta-catenin signaling has central roles in development and diseases, and is initiated by the action of the frizzled (Fz) receptor, its coreceptor LDL receptor-related protein 6 (Lrp6), and the cytoplasmic dishevelled (Dvl) protein. The functional relationships among Fz, Lrp6 and Dvl have long been enigmatic. We demonstrated previously that Wnt-induced Lrp6 phosphorylation via gly...
BACKGROUND Idiopathic pulmonary arterial hypertension (IPAH) is a rare, fatal disease of unknown pathogenesis. Evidence from our recent study suggests that IPAH pathogenesis is related to upregulation of the Wnt/planar cell polarity (Wnt/PCP) pathway. We used microscopic observation and immunohistochemical techniques to identify expression patterns of cascading proteins-namely Wnt-11, dishevell...
Wnt proteins control diverse biological processes through β-catenin-dependent canonical signalling and β-catenin-independent non-canonical signalling. The mechanisms by which these signalling pathways are differentially triggered and controlled are not fully understood. Dishevelled (Dvl) is a scaffold protein that serves as the branch point of these pathways. Here, we show that cholesterol sele...
An experimental comparison of Deep Learning strategies for AUV navigation in DVL-denied environments
Accurate and robust navigation localisation systems are critical for Autonomous Underwater Vehicles (AUVs) in order to perform missions challenging environments. However, since the Global Positioning System (GPS) is not available underwater domain, task commonly fulfilled by integrating direct linear speed readings provided a Doppler Velocity Log (DVL) over time. As consequence, DVL failures or...
پیکربندی و هندسه سیستم های مهاربندی، عملکرد لرزه ای سازه ها را به طور قابل توجهی تحت تأثیر قرار می دهد. در تحقیق حاضر، پیکربندی جدیدی برای مهاربندی برون محور قاب های سازه ای معرفی می شود که از دو پیوند قائم در ترکیب با یک پیوند افقی استفاده می کند. قاب مهاربندی شده حاصل، ebf-dvl (eccentrically braced frame with dual vertical links) نامیده می شود. خواص عمومی ebf-dvlها، مشتمل بر فواید و نواقص، شر...
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