نتایج جستجو برای: EBF-DVL
تعداد نتایج: 1065 فیلتر نتایج به سال:
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...
مهمترین ویژگیهای قابهای ساختمانی را میتوان در سختی، مقاومت و شکلپذیری آنها خلاصه کرد. قابهای خمشی دارای شکلپذیری خوبی میباشند، ولی سختی آنها اندک بوده و دلیل اصلی استفاده از سیستمهای مهار جانبی در سازهها، سختی قابل ملاحظة آنها میباشد. یک گروه از مهاربندها که علاوه بر سختی مناسب، شکلپذیری خوبی نیز دارند مهاربندهای برون محور هستند. سختی شکلهای متعارف این دسته از مهاربندها قبلاً محاسبه ...
Configuration and geometry of bracing systems affect the seismic performance of structures significantly. Recently, the current authors have introduced a new configuration for eccentric bracing of structural frames that may be assumed as the combination of inverted Y-type and rotated K-type EBFs. The resulted braced frame is called EBF-DVL, consisting of two vertical links attached together by ...
The Drosophila dishevelled gene (dsh) encodes a secreted glycoprotein, which regulates cell proliferation, acting as a transducer molecule for developmental processes, including segmentation and neuroblast specification. We have isolated and characterized cDNA clones from two different human dsh-homologous genes, designated as DVL-1 and DVL-3. DVL-1 and DVL-3 putative protein products show 64% ...
Wnt signaling is critical to many aspects of development, and aberrant activation of the Wnt signaling pathway can cause cancer. Dishevelled (Dvl) protein plays a central role in this pathway by transducing the signal from the Wnt receptor complex to the -catenin destruction complex. Dvl also plays a pivotal role in the planar cell polarity pathway that involves the c-Jun N-terminal kinase (JNK...
The Wnt signaling plays pivotal roles in embryogenesis and cancer, and the three DIX domain-containing proteins, Dvl, Axin, and Ccd1, play distinct roles in the initiation and regulation of canonical Wnt signaling. Overexpressed Dvl has a tendency to form large polymers in a cytoplasmic punctate pattern, whereas the biologically active Dvl in fact forms low molecular weight oligomers. The molec...
The RNA viral load of human immunodeficiency virus (HIV) is initially used to determine the status of the HIV infection. The goal of therapy following treatment failure is to achieve and maintain virologic suppression. A detectable viral load may relate to the progression of HIV infection. A cross-sectional survey was conducted from January 2013 to December 2014 at the Bamrasnaradura Infectious...
Background Despite consistent evidence showing the importance of exclusive breastfeeding (EBF) for six months, it remains a sub-optimal practice in The Gambia. This study aimed at investigating the determinants of EBF knowledge and intention to or practice of EBF. Methods A cross-sectional study was conducted among 334 women receiving care at the Edward Francis Small Teaching Hospital (EFSTH)...
The Wnt-induced planar cell polarity (PCP) signaling pathway is essential for polarized cell migration and morphogenesis. Dishevelled (Dvl) and its binding protein Daam1 mediate RhoA activation in this pathway. WGEF, a member of the Rho-guanine nucleotide exchange factor (Rho-GEF) family, was shown to play a role in Wnt-induced RhoA activation in Xenopus embryos. However, it has remained unknow...
Dishevelled has been implicated in the regulation of cell fate decisions, cell polarity, and neuronal function. However, the mechanism of Dishevelled action remains poorly understood. Here we examine the cellular localization and function of the mouse Dishevelled protein, DVL-1. Endogenous DVL-1 colocalizes with axonal microtubules and sediments with brain microtubules. Expression of DVL-1 prot...
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