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Abstract
Exosomes, as mediators of intercellular communication, can be released from different types of cells and regulate the function of the target cell by transferring cargo, such as proteins, DNA, and RNA. Recent investigations have revealed a preponderance of long noncoding RNAs (lncRNAs), a subclass of noncoding RNAs, within exosomes, where they exhibit notable stability and are implicated in the development and progression of neoplastic processes, such as tumor angiogenesis. Angiogenesis, as a hallmark of cancer, provides diffusible nutrients and oxygen to the distant cells and guarantees tumorigenesis and metastasis. Exosomal lncRNAs, including MALAT1, OIP5-AS1, PART1, SNHG family, FAM225A, ATB, RAMP2-AS1, UCA1, TRPM2-AS, FGD5-AS1, and LINC0016, could modulate tumor angiogenesis by activating signaling cascades and mediators within the target cells, such as microRNAs (miRNAs). Regulation of tumor angiogenesis through modulation of exosomal lncRNAs could be a reliable strategy for cancer therapy. In this review, we discuss the characteristics and biogenesis of exosomes and lncRNAs and how exosomal lncRNAs are involved in various processes of tumorigenesis. Our primary focus is on exosomal lncRNAs, their impact on tumor angiogenesis, and their potential as novel diagnostic markers and therapeutic targets for various cancers.
Published Version
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