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Cancer Lett. 2001 Oct 22;172(1):37-42.

Serum level of the periostin, a homologue of an insect cell adhesion molecule, in thymoma patients.

Author information

  • 1Department of Surgery II, Nagoya City University Medical School, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan.

Erratum in

  • Cancer Lett. 2003 Dec 8;202(1):117.


Periostin protein shares structural and sequence homology with fasciclin I, which is an insect adhesion molecule. Periostin has a typical signal peptide at the N-terminal end suggesting it is a secreted protein. Recently, we developed a novel sandwich chemiluminescence assay to determine serum concentrations of periostin. We investigated the serum periostin level in thymoma patients, and attempted to determine the correlation between serum periostin level and clinicopathological factors of thymoma patients who had undergone surgery between January 1994 and July 1996. Serum periostin levels were not significantly different between the thymoma patients (1264.4+/-122.9 ng/ml) and the normal control (962.0+/-118.6 ng/ml) (P=0.0877). There was no relationship between serum periostin level and age, gender or pathological subtype. However the serum periostin level of stage IV patients (1497.0+/-285.8 ng/ml) was significantly higher than normal control (P=0.0460). These data suggest that serum periostin level may indicate tumor invasion and progression of thymoma.

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