Circulating nucleic acids: a new class of physiological mobile genetic elements

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Circulating nucleic acids: a new class of physiological mobile genetic elements

Mobile genetic elements play a major role in shaping biotic genomes and bringing about evolutionary transformations. Herein, a new class of mobile genetic elements is proposed in the form of circulating nucleic acids (CNAs) derived from the billions of cells that die in the body every day due to normal physiology and that act intra-corporeally. A recent study shows that CNAs can freely enter in...

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Patients suffering from malignant diseases have been shown to have increased amounts of cell free nucleic acids in their circulation. As genetic and epigenetic alterations are increasingly characterized in different types of tumors, such changes can be used to detect tumor-derived nucleic acids in the circulation. To date, nearly all tumor-associated nucleic acids have been detected in the plas...

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Digital PCR analysis of circulating nucleic acids.

Detection of plasma circulating nucleic acids (CNAs) requires the use of extremely sensitive and precise methods. The commonly used quantitative real-time polymerase chain reaction (PCR) poses certain technical limitations in relation to the precise measurement of CNAs whereas the costs of massively parallel sequencing are still relatively high. Digital PCR (dPCR) now represents an affordable a...

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The dark side of circulating nucleic acids

Free circulating or cell-free DNA (cfDNA), possibly from dying cells that release their contents into the blood as they break down, have become of major interest as a source for noninvasive diagnostics. Recent work demonstrated the uptake of human cfDNA in mouse cells in vitro and in vivo, accompanied by the activation of a cellular DNA damage response (DDR) and the appearance of apoptotic prot...

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ژورنال

عنوان ژورنال: F1000Research

سال: 2015

ISSN: 2046-1402

DOI: 10.12688/f1000research.7095.1