Objective: To study the relationship of suppressor gene p16 and lung cancer for prognosis evaluation.
Methods: Immunohistochemical method was used to detect and analyse the expression of P16 protein of CDKN2 suppressor gene of 76 cases in formalin-fixed, paraffin-embedded tissue specimens of human lung cancer.
Results: P16 positive rate was 45%: 52% for 23 of 44 cases of squamous carcinoma and 29% for 7 of 24 cases of adenocarcinoma. Differentiation degree and prognosis of lung cancer were associated significantly with P16 expression. P16 expression was somewhat related to clinical stage.
Conclusion: P16 gene plays a key role in the prognosis of patients with lung cancer.