Accessible miRNAs as Novel Toxicity Biomarkers

Novel tissue injury biomarkers have recently been identified that outperform or add value to the conventional safety biomarkers. These novel biomarkers have enhanced sensitivity and/or specificity in monitoring drug-induced tissue injury in a variety of tissues, included liver, kidney, and skeletal...

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Bibliographic Details
Published in:International Journal of Toxicology 2018-03, Vol.37 (2), p.116-120
Main Authors: Bailey, Wendy J., Glaab, Warren E.
Format: Article
Language:English
Subjects:
Animals
Biomarkers
Humans
MicroRNAs
Neoplasms
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Summary:Novel tissue injury biomarkers have recently been identified that outperform or add value to the conventional safety biomarkers. These novel biomarkers have enhanced sensitivity and/or specificity in monitoring drug-induced tissue injury in a variety of tissues, included liver, kidney, and skeletal muscle. Among these novel biomarkers, microRNAs (miRNAs) are one type in particular that have received much attention in recent years. These microRNAs are short, endogenous noncoding nucleic acids that are involved in modulation and regulation of mRNA transcripts. Other attributes of miRNAs are that they exist in tissues at high abundance, and individual miRNAs can be highly tissue-specific. These miRNAs can be readily assayed in blood, urine, or cerebral spinal fluid, making them attractive as accessible biomarkers of tissue injury. Further, the miRNA processing involves embedding the miRNA within a protein complex, making them stable in plasma upon leakage from injured tissues. This review article will highlight the discovery of tissue-specific miRNAs and their evolution as novel toxicity biomarkers in recent years.
ISSN:1091-5818
1092-874X
DOI:10.1177/1091581817752405