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@ARTICLE{Oak:305221,
author = {N. Oak and W. Chen and A. Blake and L. Harrison and M.
O'Brien$^*$ and C. Previti$^*$ and G. Balasubramanian$^*$
and K. Maass$^*$ and S. Hirsch and J. Penkert and B.
Jones$^*$ and K. Schramm and M. Nathrath and K. Pajtler$^*$
and D. Jones$^*$ and O. Witt$^*$ and U. Dirksen$^*$ and J.
Li and Y. Sapkota and K. K. Ness and L. M. Guenther and S.
Pfister$^*$ and C. Kratz and Z. Wang and G. T. Armstrong and
M. M. Hudson and G. Wu and R. Autry$^*$ and K. E. Nichols
and R. Sharma},
title = {{I}nvestigation of {DNA} damage response genes validates
the role of {DNA} repair in pediatric cancer risk and
identifies {SMARCAL}1 as novel osteosarcoma predisposition
gene.},
journal = {Journal of clinical oncology},
volume = {nn},
issn = {0732-183X},
address = {Alexandria, Va.},
publisher = {American Society of Clinical Oncology},
reportid = {DKFZ-2025-02067},
pages = {nn},
year = {2025},
note = {epub},
abstract = {Recent studies reveal that $5-18\%$ of children with cancer
harbor pathogenic variants in known cancer predisposing
genes. However, DNA damage repair (DDR) genes, which are
frequently somatically altered in pediatric tumors, have not
been systematically examined as a source of novel cancer
predisposing signals.To address this gap, we interrogated
189 DDR genes for presence of germline predisposing variants
(PV) among 5,993 childhood cancer cases and 14,477 adult
non-cancer controls (discovery cohort). PV were determined
using a tiered approach incorporating ClinVar annotations,
InterVar classification, and in silico tools (REVEL, CADD,
MetaSVM). Using logistic and firth regression, we identified
genes with PV statistically enriched in tumors and
replicated findings among 1,497additional childhood cancer
cases across three independent cohorts.Analysis across all
cancers revealed enrichment of TP53 PV. Cancer-specific
analyses confirmed known associations including germline
TP53 PV in adrenocortical carcinoma, high-grade glioma
(HGG), and medulloblastoma (MB), PMS2 in HGG and non-Hodgkin
lymphoma (NHL), MLH1 in HGG, BRCA2 in NHL, and BARD1 in
neuroblastoma. In addition, four novel associations were
uncovered, including BRCA1 in ependymoma, SPIDR in HGG, SMC5
in MB, and SMARCAL1 in osteosarcoma (OS). Importantly, the
SMARCAL1:OS association was significant in the discovery
(6/230, $2.6\%,$ FDRlogistic=0.0189) as well as all three
replication cohorts (Childhood Cancer Survivor Study: 8/275,
$2.9\%;$ PFisher<0.0001; German Childhood Cancer Registry:
4/135, $3\%,$ PFisher=0.002; INdividualized Therapy FOr
Relapsed Malignancies in Childhood: 4/217, $1.8\%,$
PFisher=0.012). The remaining wildtype SMARCAL1 allele was
deleted in three of four OS tumors with available data.Our
study confirms the relevance DDR genetic variation in
pediatric cancer risk and establishes SMARCAL1 as a novel OS
predisposing gene, providing insights into tumor biology and
creating opportunities to optimize care for patients with
this challenging tumor.},
cin = {B062 / HD01 / B360 / B310 / ED01},
ddc = {610},
cid = {I:(DE-He78)B062-20160331 / I:(DE-He78)HD01-20160331 /
I:(DE-He78)B360-20160331 / I:(DE-He78)B310-20160331 /
I:(DE-He78)ED01-20160331},
pnm = {312 - Funktionelle und strukturelle Genomforschung
(POF4-312)},
pid = {G:(DE-HGF)POF4-312},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:41066719},
doi = {10.1200/JCO-25-01114},
url = {https://inrepo02.dkfz.de/record/305221},
}