نتایج جستجو برای: exosomes
تعداد نتایج: 7137 فیلتر نتایج به سال:
Exosomes are secreted by all cell types and contain proteins and nucleic acids. Here, we report that breast cancer associated exosomes contain microRNAs (miRNAs) associated with the RISC-Loading Complex (RLC) and display cell-independent capacity to process precursor microRNAs (pre-miRNAs) into mature miRNAs. Pre-miRNAs, along with Dicer, AGO2, and TRBP, are present in exosomes of cancer cells....
Exosomes are small membranous vesicles about 30~100 nm in diameter and formed from inward budding of the limiting membrane of multi-vesicular bodies (MVB). Exosomes are secreted by most cell types (including hepatocellular carcinoma cells) into the extracellular environment and can be isolated from various body fluids. Exosomes have broad biological function through delivering contained molecul...
Exosome-mediated signaling is important in mediating the inflammatory response. To exert their biological or pathophysiological functions in the recipient cells, exosomes deliver a diverse array of biomacromolecules including long and short coding and non-coding RNAs, proteins, and lipids. Exosomes secreted by antigen-presenting cells can confer therapeutic benefits by attenuating or stimulatin...
Exosomes deliver functional proteins and genetic materials to neighboring cells, and have potential applications for tissue regeneration. One possible mechanism of exosome-promoted tissue regeneration is through the delivery of microRNA (miRNA). In this study, we hypothesized that exosomes derived from neuronal progenitor cells contain miRNAs that promote neuronal differentiation. We treated me...
Exosomes are tiny membrane-bound vesicles that are over produced by most proliferating cell types during normal and pathological states. Their levels are up-regulated during pregnancy and disease states such as cancer. Exosomes contain a wide variety of proteins, lipids, RNAs, non-transcribed RNAs, microRNAs and small RNAs that are representative to their cellular origin and shuttle from a dono...
Antibodies targeting receptor-mediated entry of HCV into hepatocytes confer limited therapeutic benefits. Evidence suggests that exosomes can transfer genetic materials between cells; however, their role in HCV infection remains obscure. Here, we show that exosomes isolated from sera of chronic HCV infected patients or supernatants of J6/JFH1-HCV-infected Huh7.5 cells contained HCV RNA. These e...
Exosomes mediate intercellular communication and participate in many cell processes such as cancer progression, immune activation or evasion, and the spread of infection. Exosomes are small vesicles secreted to the extracellular environment through the release of intraluminal vesicles contained in multivesicular bodies (MVBs) upon the fusion of these MVBs with the plasma membrane. The compositi...
O8 CHARACTERISATION OF PANCREATIC STELLATE CELL (PSC) EXOSOMES AND THEIR IMPACT ON PANCREATIC CANCER CELL PHENOTYPE SM Robinson (1,2), DA Mann (1), J Mann (1), RM Charnley (2), SA White (1,2) (1) Institute of Cellular Medicine, Newcastle University (2) Freeman Hospital, Newcastle upon Tyne Introduction: Background Exosomes vesicles measuring up to 100nm in size and play key roles in cellto-cell...
Exosomes are small vesicles released by various cell types, including tumor cells, as a result of fusion of the multivesicular bodies with the plasma membrane. Exosomes can interact with target cells and mediate different processes, such as, tumor progression and intercellular transfer of proteins and RNA. Although heavily glycosylated forms of some proteins were found in exosomes, the role of ...
We investigated the properties of leishmania exosomes with respect to influencing innate and adaptive immune responses. Exosomes from Leishmania donovani modulated human monocyte cytokine responses to IFN-γ in a bimodal fashion by promoting IL-10 production and inhibiting that of TNF-α. Moreover, these vesicles were inhibitory with respect to cytokine responses (IL-12p70, TNF-α, and IL-10) by h...
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