Alterations of FHIT and P53 genes in keratocystic odontogenic tumor, dentigerous and radicular cyst
Copyright policy )Alterations of FHIT and P53 genes in keratocystic odontogenic tumor, dentigerous and radicular cyst
Background: The purpose of this study was to determine fragile histidine triad (FHIT) and p53 protein expression, and to analyze FHIT and p53 gene status in keratocystic odontogenic tumor (KOT), dentigerous cysts (DC) and radicular cysts (RC).Methods: The methods used were immunohistochemistry and molecular genetic methods including loss of heterozygosity (LOH) and gene sequencing.Results: FHIT protein expression was different among groups. Aberrant expression was the highest in KOT, then in RC and DC. p53 protein expression was different among groups. LOH in paraffin‐embedded specimens was detected in 22.6% and 12.9% for FHIT and p53 respectively. Mutation of p53 gene at codon 237 was observed in only two specimens (one KOT and one DC). Of the six frozen specimens, three exhibited FHIT gene LOH (two RC and one KOT). KOT showed loss of exons 6–7 at FHIT locus and mutation at codon 237 at p53 locus, but this could be a chance result.Conclusion: Aberrations of FHIT and p53 genes/proteins could be considered markers responsible for the development of odontogenic lesions.
- University of Zagreb Croatia
- Ruđer Bošković Institute Croatia
- University of Zagreb, School of Medicine Croatia
Adult, Male, odontogenic cyst, 572, Adolescent, FHIT, Dentigerous Cyst, Jaw Cysts, DNA, Neoplasm/analysis, DNA Mutational Analysis, FHIT ; keratocystic odontogenic tumor ; odontogenic cyst ; P53, /, Loss of Heterozygosity, Apoptosis, Jaw Neoplasms/genetics, Radicular Cyst/metabolism, Neoplasm Proteins/genetics, Clinical Medical Sciences, Humans, Genes, Tumor Suppressor, Jaw Cysts/metabolism, Biomedicine and Health Sciences, Aged, Cell Proliferation, Radicular Cyst/genetics, P53, Dentigerous Cyst/metabolism, Dentigerous Cyst/genetics, Odontogenic Tumors/genetics, keratocystic odontogenic tumor, Jaw Cysts/genetics, DNA, Neoplasm, Middle Aged, Genes, p53, Immunohistochemistry, Jaw Neoplasms, Jaw Neoplasms/metabolism, Acid Anhydride Hydrolases, Neoplasm Proteins, Acid Anhydride Hydrolases/genetics, Kliničke medicinske znanosti, Genes, p53/genetics, Biomedicina i zdravstvo, Odontogenic Tumors/metabolism, Female
Adult, Male, odontogenic cyst, 572, Adolescent, FHIT, Dentigerous Cyst, Jaw Cysts, DNA, Neoplasm/analysis, DNA Mutational Analysis, FHIT ; keratocystic odontogenic tumor ; odontogenic cyst ; P53, /, Loss of Heterozygosity, Apoptosis, Jaw Neoplasms/genetics, Radicular Cyst/metabolism, Neoplasm Proteins/genetics, Clinical Medical Sciences, Humans, Genes, Tumor Suppressor, Jaw Cysts/metabolism, Biomedicine and Health Sciences, Aged, Cell Proliferation, Radicular Cyst/genetics, P53, Dentigerous Cyst/metabolism, Dentigerous Cyst/genetics, Odontogenic Tumors/genetics, keratocystic odontogenic tumor, Jaw Cysts/genetics, DNA, Neoplasm, Middle Aged, Genes, p53, Immunohistochemistry, Jaw Neoplasms, Jaw Neoplasms/metabolism, Acid Anhydride Hydrolases, Neoplasm Proteins, Acid Anhydride Hydrolases/genetics, Kliničke medicinske znanosti, Genes, p53/genetics, Biomedicina i zdravstvo, Odontogenic Tumors/metabolism, Female
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