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Updated: Jun 3, 2026

08:14
MicroRNA Based Liquid Biopsy: The Experience of the Plasma miRNA Signature Classifier (MSC) for Lung Cancer Screening
Published on: October 26, 2017
MicroRNA biomarkers in lung cancer: MiRacle or quagMiRe?
Sai Yendamuri1, Robert Kratzke
1Department of Thoracic Surgery, Roswell Park Cancer Institute, Buffalo, NY 14228, USA. sai.yendamuri@roswellpark.org
Abstract:
MicroRNAs have emerged as novel and important regulators of translation. Besides their biological significance, they are being investigated as potential biomarkers of physiological and pathological states. This review article summarizes current investigations of microRNAs as biomarkers in lung cancer. The promises and pitfalls of this exciting new investigational avenue are highlighted.
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MicroRNAs
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
MicroRNAs
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...

