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  • Cyclin D1 expression in oral squamous cell carcinomas: clinicopathological relevance and correlation with p53 expression.

    Author(s)
    Lam, KY
    Ng, IOL
    Yuen, APW
    Kwong, DLW
    Wei, W
    Griffith University Author(s)
    Lam, Alfred K.
    Year published
    2000
    Metadata
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    Abstract
    The aim of the present study is to study the relationship between cyclin D1 and the clinicopathological features of oral squamous cell carcinomas. The cyclin D1 and p53 expression in oral squamous cell carcinomas from 56 patients (45 men, 11 women) was studied by immunohistochemistry using monoclonal antibodies. The correlation between cyclin D1 and the clinicopathological features of the oral cancers was evaluated. Cyclin D1 expression was found in 63% of oral squamous cell carcinomas; it was often weak but was more frequently positive in high-grade lesions (P=0.019). The expression was positively correlated with p53 ...
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    The aim of the present study is to study the relationship between cyclin D1 and the clinicopathological features of oral squamous cell carcinomas. The cyclin D1 and p53 expression in oral squamous cell carcinomas from 56 patients (45 men, 11 women) was studied by immunohistochemistry using monoclonal antibodies. The correlation between cyclin D1 and the clinicopathological features of the oral cancers was evaluated. Cyclin D1 expression was found in 63% of oral squamous cell carcinomas; it was often weak but was more frequently positive in high-grade lesions (P=0.019). The expression was positively correlated with p53 expression (P=0.06). Radiation therapy did not alter the expression of either cyclin D1 or p53 proteins. Expression of these proteins was not related to the age, gender or survival of the patients, or to stages of the tumors. The cyclin D1 expression was more frequently seen in patients with squamous cell carcinomas of oropharynx, palate, floor of mouth and gingiva. To conclude, cyclin D1 was frequently expressed in oral squamous cell carcinomas. This expression was related to the grade of the tumors and was not similar in various regions in the oral cavity, which may indicate the different tumor biology of cancers from these regions.
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    Journal Title
    Journal of Oral Pathology & Medicine
    Volume
    29
    Issue
    4
    DOI
    https://doi.org/10.1034/j.1600-0714.2000.290404.x
    Subject
    Dentistry
    Publication URI
    http://hdl.handle.net/10072/55198
    Collection
    • Journal articles

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