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Cancer Lett. 1999 Oct 18;145(1-2):127-32.

Peroxiredoxin I expression in human thyroid tumors.

Author information

1
Division of Head and Neck Surgery, Chiba Cancer Center Hospital, Japan.

Abstract

Peroxiredoxin I (Prx I) is newly discovered oxidative stress inducible protein, having a thioredoxin peroxidase activity. The Prx I expression level in 107 samples out of 60 thyroid lesions, including normal thyroid, tumors and thyroiditis including Graves' disease were examined using immunoblotting. Prx I expression levels in follicular neoplasm (P = 0.00005) and thyroiditis group (P = 0.0037) were significantly higher than that of the control group, while papillary carcinoma group did not show statistical significance. Immunohistochemistry indicated that Prx I was in epithelial cells of thyroid follicles. These results suggest that Prx I is expected to be a candidate for novel tumor markers to discriminate tissue types of tumors.

PMID:
10530780
DOI:
10.1016/s0304-3835(99)00243-8
[Indexed for MEDLINE]

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