Evidence map›Paper›PMID 17439964›Full record

ArticleNucleic acids research2007

Recovery of bisulfite-converted genomic sequences in the methylation-sensitive QPCR.

Kristofer Munson, Jarrod Clark, Katarzyna Lamparska-Kupsik, Steven S Smith

Open access · goldAbstract readEvaluation Study
In one paragraph

Article in Nucleic acids research, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed, 2 pooled it
2.3field-weighted citation impact, top 12% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

34 citing papers in PubMed, 2 syntheses or guidelines pooled it, 67 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Article
  5. Article
  6. DNA Methylation Analysis.Methods in molecular biology (Clifton, N.J.) · 2023
    Article
  7. Article
  8. Article
  9. Generating Sequencing-Based DNA Methylation Maps from Low DNA Input Samples.Methods in molecular biology (Clifton, N.J.) · 2022
    Article
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  11. Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
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  20. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Kristofer MunsonCity of Hope National Medical Center and Beckman Research Institute, 1500 E. Duarte Rd, Duarte, CA 91010, USA.
Jarrod Clark
Katarzyna Lamparska-Kupsik
Steven S Smith
City Of Hope National Medical Center · US

Funding

Transgenic Mouse FacilityP30CA033572 · NCI · CITY OF HOPE/BECKMAN RESEARCH INSTITUTE · PI XIWEI WU · 1985 to 2026
$86.3M
EPS Markers in the Early Detection of Prostate CancerR01CA102521 · NCI · CITY OF HOPE/BECKMAN RESEARCH INSTITUTE · PI SMITH, STEVEN SIDNEY · 2004 to 2006
$803k
NCI NIH HHS 5P30CA033572-22NCI NIH HHS CA102521-01NCI NIH HHS P30 CA033572NCI NIH HHS R01 CA102521
6 · The paper itself

Abstract

Many methods for the detection of genomic DNA methylation states have appeared. Currently, nearly all such methods employ bisulfite-mediated deamination of denatured DNA. While this treatment effectively deaminates cytosines to uracils, leaving most 5-methylcytosines intact, it also introduces abasic sites that generate a significant number of single-strand breaks in DNA. We have investigated the interplay of these two processes in order to determine their relative effects on the methylation-sensitive QPCR method. The extent of cleavage of the input DNA is significant and appears to be an increasing function of DNA concentration. Even so, the results suggest that only approximately 10% of a 62-nt target will be lost due to degradation and targets up to 131 nt will suffer only a 20% loss. More significant losses were found to occur during the subsequent removal of bisulfite and desulfonation steps that appear to be the result of size selectivity associated with matrix binding and elution required prior to QPCR in the most commonly used protocols. For biospecimens yielding <1 microg of DNA, these findings suggest that bisulfite treatment, in current implementations of MS-QPCR, result in low recoveries that preclude reliable analysis of DNA methylation patterns regardless of target size.

Indexed as

DNA MethylationBase SequenceCell LineDNAGenomicsHumansMicrofluidic Analytical TechniquesPolymerase Chain ReactionSulfitesDNAhydrogen sulfiteSulfites

Identifiers

PMID17439964
PMCPMC1888819
OpenAlexW2081110741

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.