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Objective of this work was to characterize the miRNA profile of exosomes isolated from brain-homing cell lines (MDA-MB-231BR, CTC1BMSM, and 70W) with their respective parental non-brain metastatic cell lines (MDA-MB-231P, CTC1P and MeWo). Exosomes derived from the six cell lines were isolated. Brain...
ORGANISM(S): Homo sapiens 
Stephen Paget first proposed, in 1889, that organ distribution of metastases is a non-random event, yet metastatic organotropism remains one of the greatest mysteries in cancer biology. Here, we demonstrate that exosomes released by lung-, liver- and brain-tropic tumor cells fuse preferentially with...
ORGANISM(S): Homo sapiens 
Insulin Resistance Increases TNBC Aggressiveness and Brain Metastasis via Adipocyte-derived Exosomes
Development of melanoma brain metastasis is caused by an interaction between tumor cells and normal cells in the brain microenvironment. miRNAs delivered by exosomes derived from the tumor cells seem to prime the brain microenvironment, prior to extravasation of tumor cells into the brain. We invest...
ORGANISM(S): Homo sapiens 
Glioblastoma tumour cells release microvesicles (exosomes) containing mRNA, miRNA and angiogenic proteins. These microvesicles are taken up by normal host cells, such as brain microvascular endothelial cells. By incorporating an mRNA for a reporter protein into these microvesicles, we demonstrate th...
ORGANISM(S): Homo sapiens 
Exosomes have emerged as key players in cell-to-cell communication in both physiological and pathological processes in the Central Nervous System. Thus far, the intracellular pathways involved in uptake and trafficking of exosomes within different cell types of the brain are poorly understood. In ou...
ORGANISM(S): Mus musculus (Mouse) 
2023-07-20 | PXD038287 | Pride
How cancer cells adapt to hypoxia during tumor development remains an important question. The hypothesis tested in the present study was that tumor cell-derived exosome vesicles (also known as microvesicles or extracellular vesicles) are mediators of hypoxia-dependent intercellular signaling in gli...
ORGANISM(S): Homo sapiens 
MicroRNA profiling of brain metastasis competent cell-derived exosomes
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