Journal Article (Letter)

DKFZ-2022-01870

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Genotype–phenotype associations within the Li-Fraumeni spectrum: a report from the German Registry

Penkert, J. ; Strüwe, F. J. ; Dutzmann, C. M. ; Doergeloh, B. B. ; Montellier, E. ; Freycon, C. ; Keymling, M.DKFZ* ; Schlemmer, H.-P.DKFZ* ; Sänger, B. ; Hoffmann, B. ; Gerasimov, T. ; Blattmann, C. ; Fetscher, S. ; Frühwald, M. ; Hettmer, S. ; Kordes, U. ; Ridola, V. ; Kroiss Benninger, S. ; Mastronuzzi, A. ; Schott, S. ; Nees, J. ; Prokop, A. ; Redlich, A. ; Seidel, M. G. ; Zimmermann, S. ; Pajtler, K.DKFZ* ; Pfister, S.DKFZ* ; Hainaut, P. ; Kratz, C. P.

2022
Biomed Central London

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Please use a persistent id in citations: doi:10.1186/s13045-022-01332-1

Abstract: Li-Fraumeni syndrome (LFS) is a cancer predisposition syndrome caused by pathogenic TP53 variants. The condition represents one of the most relevant genetic causes of cancer in children and adults due to its frequency and high cancer risk. The term Li-Fraumeni spectrum reflects the evolving phenotypic variability of the condition. Within this spectrum, patients who meet specific LFS criteria are diagnosed with LFS, while patients who do not meet these criteria are diagnosed with attenuated LFS. To explore genotype-phenotype correlations we analyzed 141 individuals from 94 families with pathogenic TP53 variants registered in the German Cancer Predisposition Syndrome Registry. Twenty-one (22%) families had attenuated LFS and 73 (78%) families met the criteria of LFS. NULL variants occurred in 32 (44%) families with LFS and in two (9.5%) families with attenuated LFS (P value < 0.01). Kato partially functional variants were present in 10 out of 53 (19%) families without childhood cancer except adrenocortical carcinoma (ACC) versus 0 out of 41 families with childhood cancer other than ACC alone (P value < 0.01). Our study suggests genotype-phenotype correlations encouraging further analyses.

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Contributing Institute(s):

1. E010 Radiologie (E010)
2. B062 Pädiatrische Neuroonkologie (B062)
3. DKTK HD zentral (HD01)

Research Program(s):

1. 312 - Funktionelle und strukturelle Genomforschung (POF4-312) (POF4-312)

Appears in the scientific report 2022

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