Evidence map›Paper›PMID 33307203›Full record

ArticleAnnals of oncology : official journal of the European Society for Medical Oncology2021

The effect of age on the acquisition and selection of cancer driver mutations in sun-exposed normal skin.

B Hernando, M Dietzen, G Parra, M Gil-Barrachina, G Pitarch, L Mahiques, F Valcuende-Cavero, N McGranahan, C Martinez-Cadenas

Open access · bronzeAbstract read
In one paragraph

Article in Annals of oncology : official journal of the European Society for Medical Oncology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
2.3field-weighted citation impact, top 11% 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

25 citing papers in PubMed, 48 citations in OpenAlex.

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  3. Genetic landscape of cancer: mechanisms, key genes, and therapeutic implications.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026
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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

9 authors at 4 institutions in 2 countries.

B HernandoDepartment of Medicine, Jaume I University of Castellon, Castellon, Spain.
M DietzenCancer Genome Evolution Research Group, University College London Cancer Institute, London, UK; Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, UK.
G ParraCentre Nacional d'Anàlisi Genòmica-Centre de Regulació Genòmica (CNAG-CRG), Barcelona, Spain.
M Gil-BarrachinaDepartment of Medicine, Jaume I University of Castellon, Castellon, Spain.
G PitarchDepartment of Dermatology, Castellon University General Hospital, Castellon, Spain.
L MahiquesDepartment of Dermatology, Castellon University General Hospital, Castellon, Spain.
F Valcuende-CaveroDepartment of Dermatology, La Plana University Hospital, Villarreal, Spain.
N McGranahanCancer Genome Evolution Research Group, University College London Cancer Institute, London, UK; Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, UK. Electronic address: nicholas.mcgranahan.10@ucl.ac.uk.
C Martinez-CadenasDepartment of Medicine, Jaume I University of Castellon, Castellon, Spain. Electronic address: ccadenas@uji.es.
Universitat Jaume I · ESCancer Research UK · GBHospital General Universitari de Castelló · ESCentro Nacional de Análisis Genómico · ES

Funding

Cancer Research UK A23896Wellcome Trust 211179
6 · The paper itself

Abstract

backgroundThe accumulation of somatic mutations contributes to ageing and cancer. Sunlight is the principal aetiological factor associated with skin cancer development. However, genetic and phenotypic factors also contribute to skin cancer risk. This study aimed at exploring the role of photoaging, as well as other well-known epidemiological risk factors, in the accumulation of somatic mutations in cancer-free human epidermis. MATERIAL AND

methodsWe deeply sequenced 46 genes in normal skin biopsies from 123 healthy donors, from which phenotypic data (including age, pigmentation-related genotype and phenotype) and sun exposure habits were collected. We determined the somatic mutational burden, mutational signatures, clonal selection and frequency of driver mutations in all samples.

resultsOur results reveal an exponential accumulation of UV-related somatic mutations with age, matching skin cancer incidence. The increase of mutational burden is in turn modified by an individual's skin phototype. Somatic mutations preferentially accumulated in cutaneous squamous cell carcinoma cancer genes and clonally expanded with age, with distinct mutational processes underpinning different age groups. Our results suggest a loss of fidelity in transcription-coupled repair later in life.

conclusionOur findings reveal that ageing is not only associated with an exponential increase in the number of somatic mutations accumulated in normal epidermis, but also with selection and expansion of cancer-associated mutations. Aged, sun-exposed normal skin is thus an extended mosaic of multiple clones with driver mutations, poised for the acquisition of transforming events.

Indexed as

Carcinoma, Squamous CellSkin NeoplasmsAgedHumansMutationSkinSunlightageingcarcinogenesismutational spectrumnormal epidermisskin phototypesomatic mutation

Identifiers

PMID33307203
PMCPMC7614988
OpenAlexW3111305825

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Registered trials

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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.