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Multifunctional Applications of Engineered Extracellular Vesicles in the Treatment of Cancer.
Abstract Extracellular vesicles (EVs) are key players of intercellular communication in the physiological and pathological setting. In cancer, EVs mediate complex signaling mechanisms between cancer cells and the tumor microenvironment (TME), and can influence tumor progression and the response to existing therapies. Importantly, EVs can be loaded with therapeutic agents and modified to display tumor-targeting molecules. In the field of nanomedicine, EVs have been engineered to serve as therapeutic delivery vehicles for several anticancer agents, including antibodies, chemotherapy, compounds, CRISPR/Cas9 (clustere...
Source: Endocrinology - January 29, 2021 Category: Endocrinology Authors: Kugeratski FG, McAndrews KM, Kalluri R Tags: Endocrinology Source Type: research

ITGA5 inhibition in pancreatic stellate cells re-educates the in vitro tumor-stromal crosstalk
In this study, ITGA5 in PSCs was inhibited using its specific inhibi tor AV3 peptide or siRNA knockdown technique. Pancreatic cancer SW1990 cells conditioned medium (SW1990-CM) and an indirect co-culture system were used to mimic the environment of the in vitro tumor-stromal crosstalk. Our results showed that ITGA5 inhibition impaired the proliferation and migration of PSCs, but enhanced autophagy. After co-culture with PSCs, SW1990 cells gained some cancer stem cells (CSCs)-like characteristics, such as increased drug resistance, migration and invasion ability, but PSCs with ITGA5 knockdown were incapable of producing the...
Source: Medical Oncology - December 5, 2022 Category: Cancer & Oncology Source Type: research

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