Correlation analysis of expression and prognosis of TTF-1 and CD44v6 in undifferentiated lung carcinoma.

Abstract:

:The correlation between expression and prognosis of thyroid transcription factor-1 (TTF-1) and CD44v6 in undifferentiated lung carcinoma was investigated. There were 116 cases with large cell undifferentiated carcinoma in group A, 120 cases with small cell undifferentiated carcinoma in group B and 80 normal individuals from the same period in group C. The expression levels of TTF-1 and CD44v6 in the serum of group A, B and C and the cancer tissues and adjacent tissues of group A, B and C were detected using enzyme-linked immunosorbent assay (ELISA), and the levels in each group were compared. Pearsons test was used to analyze the correlation between TTF-1 and CD44v6 expression in serum of group A and group B and cancer tissues. Patients were divided into the survival group and the deceased group according to their 5-year survival. Multivariate logistic regression was applied to analyze the risk factors of mortality, and receiver operating characteristic curve (ROC) was used to analyze the diagnostic value of TTF-1 and CD44v6. The best cut-off values of TTF-1 and CD44v6 were divided into the high and low expression groups to observe the 5-year mortality of patients and the Kaplan-Meier (K-M) survival curve was drawn. Multivariate logistic regression was used to analyze the risk factors of mortality. The expression of CD44v6 in the serum of group A and group B was higher than that in group C, and that of group B was higher than that in group A (P<0.05). The expression of TTF-1 in serum of group A and group B was higher than that of group C, and the expression of TTF-1 in group A was higher than that in group B (P<0.05). The expression of TTF-1 and CD44v6 in group A and group B were significantly higher than those in adjacent tissues (P<0.05). The expression of TTF-1 in group A was higher than that in group B (P<0.05), and that of CD44v6 was lower than that in group B (P<0.05). The 5-year survival of patients showed that 209 patients died and 27 survived at 5 years; the survival rate was 11.44%. The course of disease, TNM stage, TTF-1 and CD44v6 were independent mortality factors for undifferentiated lung cancer.

journal_name

Oncol Lett

journal_title

Oncology letters

authors

Wu Y,Yu X,Liang M,Wang B

doi

10.3892/ol.2019.10689

subject

Has Abstract

pub_date

2019-10-01 00:00:00

pages

3571-3580

issue

4

eissn

1792-1074

issn

1792-1082

pii

OL-0-0-10689

journal_volume

18

pub_type

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