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Transforming growth factor-alpha and oral fibroma: Immunohistochemical and in situ hybridization study.
Cited 6 time in
Web of Science
Cited 5 time in Scopus
- Authors
- Issue Date
- 2003
- Publisher
- Elsevier
- Citation
- J Oral Maxillofac Surg 61:1449-1454
- Abstract
- Purpose:
Transforming growth factor-α (TGF-α) is usually expressed in cell lines derived from sarcomas. It is known as a mitogen for fibroblasts. The aim of this study was to determine whether there were any differences in the expression pattern of TGF-α between normal oral mucosa and oral fibroma.
Patients and Methods:
Fourteen pathologic specimens (6 males and 8 females; 37.2 ± 23.2 years) and 10 normal oral mucosal specimens (5 females and 5 males; 43.8 ± 17.7 years) were used for this study. Identification of TGF-α was sought by using immunohistochemistry and in situ hybridization.
Results:
The samples from normal oral mucosa did not express TGF-α. One sample from oral fibroma did not express TGF-α (7.1%). Five samples from oral fibroma expressed TGF-α sparsely (35.7%). Eight samples showed diffuse expression of TGF-α (57.1%). The immunopositive reaction to TGF-α in oral fibroma was localized in the basal layer and the fibroblasts that resided beneath the epithelium. This pattern was also shown in the in situ hybridization study as well.
Conclusion:
TGF-α is expressed in oral fibromas. It suggested that TGF-α might play a role in fibroblast proliferation in oral fibromas.
- ISSN
- 0304-3940
- Language
- English
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