MicroRNAs, also called miRNAs or simply miR‐, represent a unique class of non‐coding RNAs that have gained exponential interest during recent years because of their determinant involvement in regulating the expression of several genes. Despite the increasing number of mature miRNAs recognized in the human species, only a limited proportion is engaged in the ontogeny of the central nervous system (CNS). miRNAs also play a pivotal role during the transition of normal neural stem cells (NSCs) into tumor‐forming NSCs. More specifically, extensive studies have identified some shared miRNAs between NSCs and neural cancer stem cells (CSCs), namely miR‐7, ‐124, ‐125, ‐181 and miR‐9, ‐10, ‐130. In the context of NSCs, miRNAs are intercalated from embryonic stages throughout the differentiation pathway in order to achieve mature neuronal lineages. Within CSCs, under a different cellular context, miRNAs perform tumor suppressive or oncogenic functions that govern the homeostasis of brain tumors. This review will draw attention to the most characterizing studies dealing with miRNAs engaged in neurogenesis and in the tumoral neural stem cell context, offering the reader insight into the power of next generation miRNA‐targeted therapies against brain malignancies.

MicroRNA Signature in Human Normal and Tumoral Neural Stem Cells

Diana, A
Primo
;
Murtas, D
Ultimo
2019-01-01

Abstract

MicroRNAs, also called miRNAs or simply miR‐, represent a unique class of non‐coding RNAs that have gained exponential interest during recent years because of their determinant involvement in regulating the expression of several genes. Despite the increasing number of mature miRNAs recognized in the human species, only a limited proportion is engaged in the ontogeny of the central nervous system (CNS). miRNAs also play a pivotal role during the transition of normal neural stem cells (NSCs) into tumor‐forming NSCs. More specifically, extensive studies have identified some shared miRNAs between NSCs and neural cancer stem cells (CSCs), namely miR‐7, ‐124, ‐125, ‐181 and miR‐9, ‐10, ‐130. In the context of NSCs, miRNAs are intercalated from embryonic stages throughout the differentiation pathway in order to achieve mature neuronal lineages. Within CSCs, under a different cellular context, miRNAs perform tumor suppressive or oncogenic functions that govern the homeostasis of brain tumors. This review will draw attention to the most characterizing studies dealing with miRNAs engaged in neurogenesis and in the tumoral neural stem cell context, offering the reader insight into the power of next generation miRNA‐targeted therapies against brain malignancies.
2019
human; embryonic stem cell; neural stem cell; pluripotent stem cell; miRNA; brain tumor; glioma stem cell; tumor suppressor miRNA; oncomiRNA
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11584/276099
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