title: Decreased expression of glutathione peroxidase mRNA in thyroid anaplastic carcinoma.
abstract: Our recent study using serial analysis of gene expression show the decreased expression of glutathione peroxidase (GPx), an antioxidant enzyme, in an anaplastic carcinoma. To clarify the expression of GPx in various kinds of thyroid tumors, the expression levels of GPx mRNA in 79 benign and malignant thyroid tissues were measured by means of real-time quantitative reverse transcription-polymerase chain reaction. A decreased expression of GPx mRNA was observed in all of five anaplastic carcinomas and some of the papillary carcinomas. A molecular-based therapy which produces O(2) radical may be considered as an alternative choice for the treatment of anaplastic carcinomas.
authors.affiliation: Department of Laboratory Medicine, Osaka University Medical School, D2, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan.
authors.forename: Yukiko
authors.initials: Y
authors.lastname: Hasegawa
authors.forename: Toru
authors.initials: T
authors.lastname: Takano
authors.forename: Akira
authors.initials: A
authors.lastname: Miyauchi
authors.forename: Fumio
authors.initials: F
authors.lastname: Matsuzuka
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Yoshida
authors.forename: Kanji
authors.initials: K
authors.lastname: Kuma
authors.forename: Nobuyuki
authors.initials: N
authors.lastname: Amino
mesh_terms: D002277:Carcinoma / Q000201:enzymology*; D018628:Gene Dosage; D005979:Glutathione Peroxidase / Q000235:genetics*; D006801:Humans; D007453:Iodide Peroxidase / Q000235:genetics; D012333:RNA, Messenger / Q000032:analysis*; D020133:Reverse Transcriptase Polymerase Chain Reaction; D013954:Thyroglobulin / Q000235:genetics; D013964:Thyroid Neoplasms / Q000201:enzymology*
chemical_list: D012333:RNA, Messenger; D013954:Thyroglobulin; D007453:Iodide Peroxidase; D005979:Glutathione Peroxidase