Related Experiment Video
Updated: Feb 6, 2026
08:53
Flow-sorting and Exome Sequencing of the Reed-Sternberg Cells of Classical Hodgkin Lymphoma
Published on: June 10, 2017
10.5K
A case of interdigitating dendritic cell sarcoma studied by whole-exome sequencing
Ki Hwan Hong1, Soyoung Song2, Wonseok Shin2
1Department of Otolaryngology-Head and Neck Surgery, Chonbuk National University Medical School, Jeonju, 54896, Republic of Korea.
Genes & Genomics
|August 13, 2018
Summary
This study investigated genetic factors in interdigitating dendritic cell sarcoma (IDCS), an aggressive and rare cancer. Researchers identified potential causative genes, POLQ and FNIP1, advancing understanding of IDCS pathogenesis.
Area of Science:
- Oncology
- Genetics
- Pathogenesis
Background:
- Interdigitating dendritic cell sarcoma (IDCS) is a rare and aggressive neoplasm with an unknown etiology.
- Diagnosis of IDCS is challenging, with most existing literature comprising case reports.
Purpose of the Study:
- To investigate potential causative genetic factors in IDCS.
- To explore the genetic underpinnings of IDCS pathogenesis through whole-exome sequencing.
Main Methods:
- Whole-exome sequencing of sarcoma tissue and blood from an IDCS patient.
- Bioinformatic analysis including gene ontology and comparison of tumor vs. normal DNA.
- Examination of gene functions for identified single nucleotide polymorphisms (SNPs).
Main Results:
- Identified 15 nonsynonymous SNPs as potential sarcoma-specific variants.
- While Sanger sequencing validation was limited by tumor heterogeneity, gene function analysis was performed.
- POLQ (DNA polymerase theta) and FNIP1 (folliculin-interacting protein) were implicated as potentially contributing to IDCS.
Conclusions:
- This research proposes potential causative genetic factors for IDCS.
- The findings contribute to a deeper understanding of the pathogenesis of interdigitating dendritic cell sarcoma.
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