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Updated: Feb 15, 2026
11:02
Detecting Somatic Genetic Alterations in Tumor Specimens by Exon Capture and Massively Parallel Sequencing
Published on: October 18, 2013
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Pathways Impacted by Genomic Alterations in Pulmonary Carcinoid Tumors
Michael K Asiedu1, Charles F Thomas2, Jie Dong3
1Division of General Thoracic Surgery, Department of Surgery, Mayo Clinic College of Medicine, Rochester, Minnesota. asiedu.michael@mayo.edu wigle.dennis@mayo.edu.
Summary
Genomic analysis of pulmonary carcinoid tumors revealed recurrent mutations in key cancer genes. These findings identify novel therapeutic targets and deregulated pathways, offering new avenues for treating these rare lung cancers.
Area of Science:
- Oncology
- Genomics
- Molecular Biology
Background:
- Pulmonary carcinoid tumors (PCTs) represent a significant subset of lung malignancies.
- Understanding the genomic landscape of PCTs is crucial for identifying therapeutic targets.
Purpose of the Study:
- To identify genomic alterations and deregulated pathways in PCTs.
- To discover novel therapeutic targets for pulmonary carcinoid tumors.
Main Methods:
- Integrated genomic analysis including whole genome/exome sequencing, mRNA expression profiling, and SNP genotyping.
- Comparison across normal lung, typical carcinoid (TC), atypical carcinoid (AC), and small cell lung carcinoma (SCLC) specimens.
Main Results:
- Recurrent mutations were identified in cancer genes such as ATP1A2, CNNM1, MACF1, RAB38, NF1, RAD51C, TAF1L, EPHB2, POLR3B, and AGFG1.
- Pathway analysis implicated MAPK/ERK and amyloid beta precursor protein (APP) pathways, with NF-κB also suggested by CNV and gene expression data.
- Predominant mutation signatures included C>T and T>C transitions.
Conclusions:
- The study identified novel mutated genes and deregulated pathways in pulmonary carcinoid tumors.
- These findings provide a foundation for developing targeted therapies for PCTs.
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