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Fabrication of Tongue Extracellular Matrix and Reconstitution of Tongue Squamous Cell Carcinoma In Vitro
Published on: June 20, 2018
Transcriptomic dissection of tongue squamous cell carcinoma
Hui Ye1, Tianwei Yu, Stephane Temam
1Center for Molecular Biology of Oral Diseases, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA. huiye@uic.edu
BMC Genomics
|February 8, 2008
Summary
This study identified specific gene expression patterns in oral tongue squamous cell carcinoma (OTSCC), a more aggressive head and neck cancer. These transcriptomic signatures may aid in developing diagnostic or screening tools for OTSCC.
Area of Science:
- Oncology
- Genomics
- Molecular Biology
Background:
- Head and neck/oral squamous cell carcinoma (HNOSCC) is a diverse cancer group.
- Oral tongue squamous cell carcinoma (OTSCC) is a common and aggressive HNOSCC subtype.
- Identifying specific transcriptomic signatures is crucial for understanding OTSCC aggressiveness.
Purpose of the Study:
- To identify transcriptomic signatures associated with oral tongue squamous cell carcinoma (OTSCC).
- To discover potential diagnostic or screening biomarkers for OTSCC.
- To lay the groundwork for further functional validation of candidate genes in OTSCC.
Main Methods:
- Genome-wide transcriptomic profiling of 53 primary OTSCCs and 22 normal tissues.
- Identification of statistically significant differentially expressed genes between OTSCC and normal tissues.
- Validation of key gene expression differences using real-time quantitative RT-PCR and immunohistochemistry.
Main Results:
- Identified numerous up-regulated genes (e.g., MMP1, MMP10, IL8, MMP9) and down-regulated genes (e.g., KRT4, MAL, CRNN) in OTSCC.
- Confirmed differential expression of IL8 and MMP9 through RT-PCR and immunohistochemistry.
- Gene Ontology analysis revealed altered biological processes including extracellular matrix organization, collagen catabolism, and suppressed keratinization in OTSCC.
Conclusions:
- The study provides a transcriptomic signature for OTSCC.
- This signature holds potential for developing diagnostic or screening tools for OTSCC.
- The findings establish a foundation for future functional studies of candidate genes in OTSCC.
