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September 27, 2025Cancer Research

Abstract B039: Exploring the early genetic determinants of tumor risk in Li-Fraumeni Syndrome

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Authors

LRLaura RaitiTATanvi AnandampillaiAVAnita Villani

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Overview

Exploratory analysis defines tumor risk in Li-Fraumeni Syndrome, revealing prenatal driver mutations impacting cancer susceptibility.

Key Points

  • Prenatal cancer driver mutations affect tumor risk in li-fraumeni syndrome, and the study shows clonal evolution occurs postnatally.
  • The analysis includes 20 children with li-fraumeni syndrome, with 55% diagnosed with prior malignancies and a focus on tp53 mutations.
  • Using dried blood spots, researchers sequenced genomic DNA to investigate the genetic landscape of tumors associated with li-fraumeni syndrome.
  • Insights may reshape surveillance practices by correlating prenatal mutations with pediatric cancer, highlighting potential early interventions.

Cite This Study

Raiti et al. (2025) studied this question.

synapsesocial.com/papers/68d7b3ddeebfec0fc523663ehttps://doi.org/10.1158/1538-7445.pediatric25-b039
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Abstract 605: Mapping loss of heterozygosity in Li-Fraumeni Syndrome to uncover early molecular drivers of tumorigenesis.2026
  2. 2Abstract B004: Mapping loss of heterozygosity in Li-Fraumeni syndrome to uncover early molecular drivers of tumorigenesis2025
  3. 3Abstract 625: Early tumor priming in Li-Fraumeni Syndrome muscle using a rhabdomyosarcoma model.2026
  4. 4Abstract B033: Single-nuclei profiling of LFS development reveals tumour susceptibility2025
  5. 5Abstract 6280: Leveraging RNA and long-read DNA to improve genetic etiology identification in individuals with elevated cancer risk: A pilot study in individuals with Li-Fraumeni-like phenotype.2026