Journal of clinical pathology · 2008
Expression of GATA-6 transcription factor in pleural malignant mesothelioma and metastatic pulmonary adenocarcinoma.
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Lindholm P M, Soini Y, Myllärniemi M, Knuutila S, Heikinheimo M, Kinnula V L, Salmenkivi K
Аннотация
BACKGROUND: Malignant mesothelioma (MM) is a highly aggressive tumour with poor prognosis and limited response to therapy. New markers for the prediction of prognosis in MM and in pulmonary adenocarcinoma of the pleura are valuable. GATA-6 belongs to a six member zinc finger transcription factor family named after their recognition motif W-GATA-R.
AIM: To clarify the distribution and possible function of GATA-6 transcription factor in MM and in pleural metastasis of lung adenocarcinomas.
METHODS: 63 pleural MM and 36 pleural metastatic pulmonary adenocarcinomas were studied for GATA-6 expression by immunohistochemistry using tissue microarrays. Expression of GATA-6 was examined in relation to thyroid transcription factor-1 expression, survival, proliferation and apoptosis.
RESULTS: Nuclear immunoreactivity for GATA-6 was stronger and more frequent in MM than in metastatic pleural adenocarcinoma. Prognosis was better in patients with GATA-6 expression when compared to those with no GATA-6 expression (p = 0.002); in the subgroup analysis the difference was significant in epithelial and sarcomatous mesothelioma. GATA-6 was not associated with spontaneous proliferation or apoptosis of the tumour cells in situ.
CONCLUSION: Results suggest that GATA-6 plays a role in pleural malignancies, predicting longer survival in subgroups of MM.
AIM: To clarify the distribution and possible function of GATA-6 transcription factor in MM and in pleural metastasis of lung adenocarcinomas.
METHODS: 63 pleural MM and 36 pleural metastatic pulmonary adenocarcinomas were studied for GATA-6 expression by immunohistochemistry using tissue microarrays. Expression of GATA-6 was examined in relation to thyroid transcription factor-1 expression, survival, proliferation and apoptosis.
RESULTS: Nuclear immunoreactivity for GATA-6 was stronger and more frequent in MM than in metastatic pleural adenocarcinoma. Prognosis was better in patients with GATA-6 expression when compared to those with no GATA-6 expression (p = 0.002); in the subgroup analysis the difference was significant in epithelial and sarcomatous mesothelioma. GATA-6 was not associated with spontaneous proliferation or apoptosis of the tumour cells in situ.
CONCLUSION: Results suggest that GATA-6 plays a role in pleural malignancies, predicting longer survival in subgroups of MM.