AI Article Synopsis
- The KAI1/CD82 gene is important for understanding cancer metastasis, but its role in cervical carcinoma is not well-studied.
- Researchers used immunohistochemistry to analyze KAI1 expression in 142 specimens, including cervical squamous cell carcinoma, cervical intraepithelial neoplasia, and normal tissue.
- Results showed that KAI1 expression is lower in cervical cancer samples compared to normal tissues, but KAI1 levels did not correlate with cancer stage, patient age, or prognosis, suggesting it might play an early role in cancer development rather than being a prognostic indicator.
Article Abstract
Background & Objective: Metastasis suppressor gene KAI1/CD82 plays an important role in infiltration and metastasis of several types of human cancers, while the researches on its relation with cervical carcinoma are far from adequate now. Therefore, immunohistochemical techniques were employed in this study to determine the expression of KAI1 gene, and explore its clinical significance in cervical squamous cell carcinoma.
Methods: SP immunohistochemistry was used to detect the expression of KAI1 gene in 99 specimens of cervical squamous cell carcinoma, 25 specimens of cervical intraepithelial neoplasm (CIN) II-III, and 18 specimens of normal cervix. Correlations of expression of KAI1 gene to clinicopathologic factors, and prognosis of cervical squamous cell carcinoma were statistically analyzed.
Results: The rates of negative, weak, moderate, and strong expression of KAI1 in cervical squamous cell carcinoma were 52.5% (52/99), 16.2% (16/99), 15.2% (15/99), and 16.2% (16/99), respectively, significantly lower than those in normal cervix, and CIN II-III (P=0.000). Expression of KAI1 has no correlation with FIGO stage, age, pelvic lymph node metastasis, tumor histological grade, depth of cervical infiltration, serum squamous cell carcinoma antigen (SCC) level, tumor size, and gross type of cervical lesion (P>0.05). Both univariate and multivariate analyses showed expression of KAI1 has no correlation with prognosis of cervical squamous cell carcinoma (P>0.05).
Conclusion: KAI1 gene may be an early event in development of cervical cancer, and has no correlation with prognosis of cervical squamous cell carcinoma.
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