Expression of lysophosphatidic acid acyltransferase beta (LPAAT-β) in ovarian carcinoma: correlation with tumour grading and prognosis
2005

LPAAT-β in Ovarian Cancer: Its Role in Tumor Grading and Prognosis

Sample size: 106 publication Evidence: moderate

Author Information

Author(s): Niesporek S, Denkert C, Weichert W, Köbel M, Noske A, Sehouli J W, Singer J W, Dietel M, Hauptmann S

Primary Institution: Charité University Hospital

Hypothesis

The study investigates the expression of LPAAT-β in ovarian carcinoma and its correlation with tumor grading and prognosis.

Conclusion

LPAAT-β is upregulated in ovarian cancer and is associated with poorer prognosis, especially in patients younger than 60 years.

Supporting Evidence

  • LPAAT-β mRNA was found in all ovarian tumors examined.
  • Expression of LPAAT-β protein was significantly increased in ovarian carcinomas compared to benign ovarian tissue.
  • LPAAT-β expression was positively associated with higher tumor grade and mitotic index.
  • Expression of LPAAT-β was significantly linked to reduced overall survival time in younger patients.

Takeaway

This study found that a protein called LPAAT-β is more common in bad types of ovarian cancer and can help predict how well younger patients will do.

Methodology

The expression of LPAAT-β was evaluated using reverse transcriptase–polymerase chain reaction and immunohistochemistry in ovarian cell lines and tumor samples.

Limitations

The study had a relatively small patient number, which may limit the power of survival analysis.

Participant Demographics

Median age at surgery was 57 years, with a range from 28 to 85 years; 71% had invasive ovarian carcinoma.

Statistical Information

P-Value

P=0.024 for overall survival in patients younger than 60 years with LPAAT-β-positive tumors.

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6602528

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