نتایج جستجو برای: exosomes
تعداد نتایج: 7137 فیلتر نتایج به سال:
This study was performed to identify the origin of the ascites-derived exosomes from patients with ovarian cancer and to observe the effect of exosomes on anti-tumor immunity. Exosomes were isolated from the ascites of patients with ovarian epithelial cancer by ultracentrifugation plus density gradient centrifugation. The origin of exosomes was identified by immunoelectronmicroscopy (IEM). The ...
Exosomes are secreted vesicles formed in lateendocyticcompartments. Immaturedendritic cells (DCs) secrete exosomes, which transfer functional major histocompatibility complex (MHC)–peptide complexes to other DCs. Since immature and mature DCs induce different functional T-cell responses (ie, tolerance versus priming), we asked whether DC maturation also influenced the priming abilities of their...
Exosomes are nanovesicles that are released into the extracellular environment during the fusion of multivesicular bodies with the plasma membrane. Exosomes released from dendritic cells, dexosomes, have several biological functions, for example as immunostimulants. Some tumor cells also secrete exosomes (Tu-exosomes). Although experimental data obtained with the use of dexosomes suggest a biol...
Bone-Targeted Exosomes In article 2203361, Jin Cui, Xiaoxiang Ren, Jiacan Su, and co-workers provide an overview of construction strategies applications bone-targeted exosomes. These modified exosomes possess strong bone-targeting abilities, which could potentially enhance their effectiveness while avoiding side effects. The review also discusses the advances challenges in exosomes, aiming to g...
Abstract Background and Aim: In recent years, Mesenchymal stem cell functions have been at the center of attention of researchers. Evidence shows that Mesenchymal stem cells act as paracrine manner and thus, biological agents such as exosomes and soluble factors are present in the supernatant that can act as same as Mesenchymal stem cells. Therefore, isolating exosomes from mesenchymal stem ce...
Exosomes have emerged as a novel mode of intercellular communication. Exosomes can shuttle bioactive molecules including proteins, DNA, mRNA, as well as non-coding RNAs from one cell to another, leading to the exchange of genetic information and reprogramming of the recipient cells. Increasing evidence suggests that tumor cells release excessive amount of exosomes, which may influence tumor ini...
Exosomes, a type of extracellular vesicle, have been shown to be involved in many disorders, including Alzheimer's disease (AD). Exosomes may contribute to the spread of misfolded proteins such as amyloid-β (Aβ) and α-synuclein. However, the specific diffusion process of exosomes and their final destination in brain are still unclear. In the present study, we isolated exosomes from peripheral p...
Sumoylated hnRNPA2B1 controls the sorting of miRNAs into exosomes through binding to specific motifs
Exosomes are released by most cells to the extracellular environment and are involved in cell-to-cell communication. Exosomes contain specific repertoires of mRNAs, microRNAs (miRNAs) and other non-coding RNAs that can be functionally transferred to recipient cells. However, the mechanisms that control the specific loading of RNA species into exosomes remain unknown. Here we describe sequence m...
Exosomes are secreted vesicles formed in late endocytic compartments. Mature dendritic cells (DCs) secrete exosomes bearing functional MHC-peptide complexes and high levels of ICAM-1. Such exosomes can activate Ag-specific naive T cells but only after recapture by recipient APCs. In this study, we addressed the molecular mechanisms of interaction between exosomes and recipient DCs. We show that...
Exosomes are nano-sized vesicles originating from the multivesicular bodies of cells, and are released into the extracellular environment. Exosome contain functional proteins, lipids and RNA species, which can be shuttled between cells. Exosomes derived from in vitro cultures have been widely investigated, while less is known about in vivo exosomes. The aims of this thesis therefore were; to in...
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