Molecular Profiling of Nasopharyngeal Carcinoma Using the AACR Project GENIE Repository

Area of Science:

• Oncology
• Genomics
• Cancer Research

Background:

• Nasopharyngeal carcinoma (NPC) is a rare head and neck cancer with limited systemic treatment options.
• Genomic characterization of NPC is crucial for understanding its development and identifying therapeutic targets.

Purpose of the Study:

• To characterize the genomic profile of NPC using a large patient-level genomic repository.
• To identify potential therapeutic targets and improve NPC disease modeling.
• To investigate distinct mutational profiles based on patient demographics.

Main Methods:

• Retrospective analysis of NPC samples from the AACR Project GENIE database.
• Targeted sequencing data analysis for recurrent somatic mutations, tumor mutational burden, and copy number variations.
• Statistical significance set at p < 0.05.

Main Results:

• Frequent mutations identified in KMT2D (20%), TP53 (16%), CYLD (9.6%), NFKBIA (6.4%), and PIK3CA (5.6%).
• Mutations implicate the p53, NF-κB, and PI3K pathways in NPC development.
• Distinct mutational profiles observed in female patients (PIK3C2G, ETV6, CDKN1B) and non-Asian patients (KDM5A, CCND2, TP53).

Conclusions:

• Detailed genomic profile of NPC identified key mutations in cancer-associated pathways.
• p53, NF-κB, and PI3K pathways represent potential targets for novel NPC therapies.
• Sex- and race-specific mutational landscapes offer opportunities for precision therapeutic interventions in NPC.