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Title: Small RNA profiling of low biomass samples: identification and removal of contaminants

Journal Article · · BMC Biology
 [1];  [2];  [3];  [4];  [3];  [5];  [3];  [5];  [6];  [4]; ORCiD logo [5]
  1. Univ. of Luxembourg, Esch-sur-Alzette (Luxembourg); German Centre for Integrative Biodiversity Research (iDiv) Leipzig-Halle-Jena, Leipzig (Germany); Helmholtz-Centre for Environmental Research GmbH (UFZ), Halle (Germany)
  2. Univ. of Luxembourg, Esch-sur-Alzette (Luxembourg); Univ. of Freiburg, Freiburg (Germany)
  3. Univ. of Luxembourg, Esch-sur-Alzette (Luxembourg); Centre Hospitalier de Luxembourg, Luxembourg (Luxembourg)
  4. Pacific Northwest Research Institute, Seattle, WA (United States)
  5. Univ. of Luxembourg, Esch-sur-Alzette (Luxembourg)
  6. Univ. of Luxembourg, Esch-sur-Alzette (Luxembourg); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

Here, sequencing-based analyses of low-biomass samples are known to be prone to misinterpretation due to the potential presence of contaminating molecules derived from laboratory reagents and environments. DNA contamination has been previously reported, yet contamination with RNA is usually considered to be very unlikely due to its inherent instability. Small RNAs (sRNAs) identified in tissues and bodily fluids, such as blood plasma, have implications for physiology and pathology, and therefore the potential to act as disease biomarkers. Thus, the possibility for RNA contaminants demands careful evaluation.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-76RL01830; ATTRACT/A09/03; CORE/15/BM/10404093; CORE/16/BM/11276306; PoC/13/02; 1180851; 5821107; CORE14/BM/8066232; 1U01HL126496; ImMicroDyn1
OSTI ID:
1441216
Journal Information:
BMC Biology, Vol. 16, Issue 1; ISSN 1741-7007
Publisher:
BioMed CentralCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 34 works
Citation information provided by
Web of Science

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Analyzing bacterial extracellular vesicles in human body fluids by orthogonal biophysical separation and biochemical characterization journal November 2019
Intestinal permeability, digestive stability and oral bioavailability of dietary small RNAs journal July 2018
Nutritive implications of dietary microRNAs: facts, controversies, and perspectives journal January 2019
Bioinformatic analysis of endogenous and exogenous small RNAs on lipoproteins journal August 2018
MicroRNA Expression Profile of Whole Blood Is Altered in Adenovirus-Infected Pneumonia Children journal October 2018
Prediction of plant-derived xenomiRs from plant miRNA sequences using random forest and one-dimensional convolutional neural network models journal November 2018
MicroRNAs in bovine milk exosomes are bioavailable in humans but do not elicit a robust pro-inflammatory cytokine response journal January 2020
Robustness of RNA sequencing on older formalin-fixed paraffin-embedded tissue from high-grade ovarian serous adenocarcinomas journal May 2019
The RNA Complement of Outer Membrane Vesicles From Salmonella enterica Serovar Typhimurium Under Distinct Culture Conditions journal August 2018
Charting Extracellular Transcriptomes in the Human Biofluid RNA Atlas journal January 2020
Comparing small urinary extracellular vesicle purification methods with a view to RNA sequencing—Enabling robust and non-invasive biomarker research journal March 2019
Dietary non-coding RNAs from plants: Fairy tale or treasure? journal June 2019
Small RNAs in eucaryotes: new clues for amplifying microRNA benefits journal January 2020