نتایج جستجو برای: internalization
تعداد نتایج: 13774 فیلتر نتایج به سال:
Given that ligand binding is essential for the rapid internalization of epidermal growth factor receptor (EGFR), the events induced by ligand binding probably contribute to the regulation of EGFR internalization. These events include receptor dimerization, activation of intrinsic tyrosine kinase activity and autophosphorylation. Whereas the initial results are controversial regarding the role o...
Internalization of societal standards of attractiveness is known to play a role in the development of body dissatisfaction and disordered eating, and researchers are now working toward identifying factors that influence the internalization of those societal standards. The present study examined to what extent social connectedness and conformity were related to internalization. Female college st...
Internalization of the neurotrophin-Trk receptor complex is critical for many aspects of neurotrophin functions. The mechanisms governing the internalization process are unknown. Here, we report that neuronal activity facilitates the internalization of the receptor for brain-derived neurotrophic factor, TrkB, by potentiating its tyrosine kinase activity. Using three independent approaches, we s...
BACKGROUND Depression symptoms and diagnoses are associated with failure to quit smoking in most studies, but not all. METHOD A new measure of internalization (i.e. symptoms of depression or anxiety, or poor mood) was created to investigate whether internalization would predict smoking cessation in 549 smokers from three randomized clinical trials with inconsistent findings. RESULTS Predict...
To investigate the role of the intracellular C-terminal tail of the rat metabotropic glutamate receptor 1a (mGlu1a) in receptor regulation, we constructed three C-terminal tail deletion mutants (Arg847stop, DM-I; Arg868stop, DM-II; Val893stop, DM-III). Quantification of glutamate-induced internalization provided by ELISA indicated that DM-III, like the wild-type mGlu1a, underwent rapid internal...
Introduction: Auger electron based radioimmunotherapy (RIT) using 111In-DOTA-trastuzumab (111In-DOTA-antiHer2) feasibility was studied in vitro on a HER2/neu positive cell line, SkBr3. Methods:111In-DOTA-antiHer2 was prepared according to the optimized conditions followed by quality control tests including radioch...
Although G protein-coupled receptor (GPCR) internalization has long been considered as a major aspect of the desensitization process that tunes ligand responsiveness, internalization is also involved in receptor resensitization and signaling, as well as the ligand scavenging function of some atypical receptors. Internalization thus contributes to the diversity of GPCR-dependent signaling, and i...
Ubiquitin modification of signal transducing receptors at the plasma membrane is necessary for rapid receptor internalization and downregulation. We have investigated whether ubiquitylation alters a receptor cytoplasmic tail to reveal a previously masked internalization signal, or whether ubiquitin itself carries an internalization signal. Using an alpha-factor receptor-ubiquitin chimeric prote...
Although internalization of the thin ideal has been extensively researched and is now regarded as a risk factor for eating disturbance, endorsement of the firm, athletic body ideal has received only minimal attention. This short-term longitudinal study explored whether internalization of two aspects of the current cultural ideal (thinness and athleticism) prospectively predicted three potential...
Receptor-mediated internalization appears to be the primary mean of regulating the plasma level of thrombopoietin (TPO). However, the processes that regulate Mpl internalization have not previously been described. Using the cytokine-dependent cell line BaF3, we have identified 2 distinct motifs within the cytoplasmic domain of Mpl that underlie ligand-dependent internalization. Removal of the f...
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