p53 and CyclinX D1 protein expression in carcinomas of the parotid gland

Lorenzo Pignataro, Pasquale Capaccio, Nadia Carboni, Giancarlo Pruneri, Antonio Ottaviani, Roberto Buffa, Guido Broich

Research output: Contribution to journalArticle

Abstract

Background: p53 and cyclin D1 genes play a central role in the regulation of the G1 phase of the cell-cycle, and are frequently involved in head and neck tumorigenesis. Materials and Methods: By means of immunohistochemistry, we retrospectively investigated the overexpression of cyclin D1 and p53 genes in a series of 28 parotid gland carcinomas. The immunohistochemical analysis was performed using the ABC method and the antibodies DCS6 (for cyclin D1) and CM1 (for p53). Results p53 was overexpressed in 12 (42.9%) and cyclin D1 in 6 cases (21.4%). No significant association was found between p53 or cyclin D1 expression and the evaluated clinicopathological parameters of tumor extension, clinical stage, and lymph node or distant metastases. Nevertheless, it is worth noting that all of the patients with a high expression of p53 died of their disease. Conclusions: The present data confirm the role of p53 abnormalities in the pathogenesis of salivary gland carcinoma and report, for the first time, the involvement of cyclin D1 gene in these tumors.

Original languageEnglish
Pages (from-to)1287-1290
Number of pages4
JournalAnticancer Research
Volume18
Issue number2 B
Publication statusPublished - Mar 1998

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bcl-1 Genes
Cyclin D1
Parotid Gland
Carcinoma
Proteins
p53 Genes
G1 Phase
Salivary Glands
Neoplasms
Cell Cycle
Carcinogenesis
Neck
Lymph Nodes
Immunohistochemistry
Head
Neoplasm Metastasis
Antibodies

Keywords

  • Cyclin D1
  • Immunohistochemistry
  • p53
  • Salivary gland carcinoma

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

p53 and CyclinX D1 protein expression in carcinomas of the parotid gland. / Pignataro, Lorenzo; Capaccio, Pasquale; Carboni, Nadia; Pruneri, Giancarlo; Ottaviani, Antonio; Buffa, Roberto; Broich, Guido.

In: Anticancer Research, Vol. 18, No. 2 B, 03.1998, p. 1287-1290.

Research output: Contribution to journalArticle

Pignataro, L, Capaccio, P, Carboni, N, Pruneri, G, Ottaviani, A, Buffa, R & Broich, G 1998, 'p53 and CyclinX D1 protein expression in carcinomas of the parotid gland', Anticancer Research, vol. 18, no. 2 B, pp. 1287-1290.
Pignataro, Lorenzo ; Capaccio, Pasquale ; Carboni, Nadia ; Pruneri, Giancarlo ; Ottaviani, Antonio ; Buffa, Roberto ; Broich, Guido. / p53 and CyclinX D1 protein expression in carcinomas of the parotid gland. In: Anticancer Research. 1998 ; Vol. 18, No. 2 B. pp. 1287-1290.
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AU - Buffa, Roberto

AU - Broich, Guido

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AB - Background: p53 and cyclin D1 genes play a central role in the regulation of the G1 phase of the cell-cycle, and are frequently involved in head and neck tumorigenesis. Materials and Methods: By means of immunohistochemistry, we retrospectively investigated the overexpression of cyclin D1 and p53 genes in a series of 28 parotid gland carcinomas. The immunohistochemical analysis was performed using the ABC method and the antibodies DCS6 (for cyclin D1) and CM1 (for p53). Results p53 was overexpressed in 12 (42.9%) and cyclin D1 in 6 cases (21.4%). No significant association was found between p53 or cyclin D1 expression and the evaluated clinicopathological parameters of tumor extension, clinical stage, and lymph node or distant metastases. Nevertheless, it is worth noting that all of the patients with a high expression of p53 died of their disease. Conclusions: The present data confirm the role of p53 abnormalities in the pathogenesis of salivary gland carcinoma and report, for the first time, the involvement of cyclin D1 gene in these tumors.

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