Exosomes are nanoscale particles secreted by various cells,including immune,stem,and tumor cells.They are enriched with bio-active substances that transport tumor information,mediate intercellular communication,and regulate multiple physiological processes and tumor microenvironment(TME)remodeling.Exosomes secreted by different tumor cell types exhibit cell-specific characteristics,contain various factors involved in immune regulation,and can interact with all types of immune cells.Cancer immunoediting is a process in which the immune system can both constrain and promote tumor development,involving three phases:elimination,equilibrium,and escape.Tu-mor-derived exosomes play diverse roles during these stages,both promoting anti-tumor immunity and inhibiting the anti-tumor activity of immune cells.Collectively,understanding the immunoediting role of exhausted T cells(TEXs)in regulating the immune microenvironment in lung cancer provides novel insights into antitumor therapy.
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