Evidence map›Paper›PMID 28755461›Full record

ArticleEnvironmental and molecular mutagenesis2017

Variation in organ-specific PIK3CA and KRAS mutant levels in normal human tissues correlates with mutation prevalence in corresponding carcinomas.

Barbara L Parsons, Karen L McKim, Meagan B Myers

Open access · hybridAbstract read
In one paragraph

Article in Environmental and molecular mutagenesis, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.0field-weighted citation impact, top 28% 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

12 citing papers in PubMed, 23 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. CarcSeq detection of lorcaserin-induced clonal expansion of Pik3ca H1047R mutants in rat mammary tissue.Toxicological sciences : an official journal of the Society of Toxicology · 2024
    Article
  5. Article
  6. Frequent PIK3CA mutations in eutopic endometrium of patients with ovarian clear cell carcinoma.Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc · 2021
    Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. 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

3 authors at 2 institutions in 1 country.

Barbara L ParsonsDivision of Genetic and Molecular Toxicology, U.S. Food and Drug Administration, National Center for Toxicological Research, Jefferson, Arkansas.
Karen L McKimDivision of Genetic and Molecular Toxicology, U.S. Food and Drug Administration, National Center for Toxicological Research, Jefferson, Arkansas.
Meagan B MyersDivision of Genetic and Molecular Toxicology, U.S. Food and Drug Administration, National Center for Toxicological Research, Jefferson, Arkansas.
National Center for Toxicological Research · USUnited States Food and Drug Administration · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Large-scale sequencing efforts have described the mutational complexity of individual cancers and identified mutations prevalent in different cancers. As a complementary approach, allele-specific competitive blocker PCR (ACB-PCR) is being used to quantify levels of hotspot cancer driver mutations (CDMs) with high sensitivity, to elucidate the tissue-specific properties of CDMs, their occurrence as tumor cell subpopulations, and their occurrence in normal tissues. Here we report measurements of PIK3CA H1047R mutant fraction (MF) in normal colonic mucosa, normal lung, colonic adenomas, colonic adenocarcinomas, and lung adenocarcinomas. We report PIK3CA E545K MF measurements in those tissues, as well as in normal breast, normal thyroid, mammary ductal carcinomas, and papillary thyroid carcinomas. We report KRAS G12D and G12V MF measurements in normal colon. These MF measurements were integrated with previously published ACB-PCR data on KRAS G12D, KRAS G12V, and PIK3CA H1047R. Analysis of these data revealed a correlation between the degree of interindividual variability in these mutations (as log

Indexed as

Genetic Predisposition to DiseaseGenetic VariationPoint MutationBiomarkers, TumorClass I Phosphatidylinositol 3-KinasesDatabases, GeneticFemaleHumansMaleNeoplasmsOrgan SpecificityPhosphatidylinositol 3-KinasesPrevalenceProto-Oncogene Proteins p21(ras)Biomarkers, TumorClass I Phosphatidylinositol 3-KinasesKRAS protein, humanPhosphatidylinositol 3-KinasesPIK3CA protein, humanProto-Oncogene Proteins p21(ras)biomarkercancer susceptibilityclonal selectionpersonalized medicinetumor heterogeneity

Identifiers

PMID28755461
PMCPMC5601221
OpenAlexW2740731735

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.