Protein S and protein C gene mutations in Japanese deep vein thrombosis patients

Sachiko Kinoshita, Hiroko Iida, Sumiko Inoue, Kumiko Watanabe, Masako Kurihara, Yui Wada, Hiroko Tsuda, Dongchon Kang, Naotaka Hamasaki

Research output: Contribution to journalArticle

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Abstract

Objectives: Coagulation factor V Leiden has not been detected in Japanese patients suffering from thrombosis. Hitherto, the constitutional background of Japanese thrombotic patients has never been systematically examined. We have performed a systematic investigation to determine pathogenesis for deep vein thrombosis in a Japanese population. Design and methods: Routine coagulation and fibrinolysis tests were performed to determine the activities of protein S, protein C, antithrombin, plasminogen and fibrinogen. Gene analysis was performed in thrombotic patients having low activities of these factors. Results: Our study indicates that the frequency (19/85 = 0.22) of mutations of protein S gene in the Japanese patients was 5-10 times higher than that of mutations of protein S gene in Caucasian patients, and the frequency (8/85 = 0.09) of mutations of protein C gene was almost three times higher than that of Caucasian patients. The frequency of antithrombin gene mutation was similar in both populations. Conclusion: Our study reinforces that the genetic anomaly in the protein S/protein C anticoagulation system is an important risk factor for thrombophilia in the Japanese population.

Original languageEnglish
Pages (from-to)908-915
Number of pages8
JournalClinical Biochemistry
Volume38
Issue number10
DOIs
Publication statusPublished - Oct 1 2005

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Protein S
Protein C
Venous Thrombosis
Genes
Mutation
Antithrombins
Factor V
Population
Plasminogen
Coagulation
Thrombophilia
Fibrinogen
Fibrinolysis
Gene Frequency
Thrombosis

All Science Journal Classification (ASJC) codes

  • Clinical Biochemistry

Cite this

Kinoshita, S., Iida, H., Inoue, S., Watanabe, K., Kurihara, M., Wada, Y., ... Hamasaki, N. (2005). Protein S and protein C gene mutations in Japanese deep vein thrombosis patients. Clinical Biochemistry, 38(10), 908-915. https://doi.org/10.1016/j.clinbiochem.2005.05.006

Protein S and protein C gene mutations in Japanese deep vein thrombosis patients. / Kinoshita, Sachiko; Iida, Hiroko; Inoue, Sumiko; Watanabe, Kumiko; Kurihara, Masako; Wada, Yui; Tsuda, Hiroko; Kang, Dongchon; Hamasaki, Naotaka.

In: Clinical Biochemistry, Vol. 38, No. 10, 01.10.2005, p. 908-915.

Research output: Contribution to journalArticle

Kinoshita, S, Iida, H, Inoue, S, Watanabe, K, Kurihara, M, Wada, Y, Tsuda, H, Kang, D & Hamasaki, N 2005, 'Protein S and protein C gene mutations in Japanese deep vein thrombosis patients', Clinical Biochemistry, vol. 38, no. 10, pp. 908-915. https://doi.org/10.1016/j.clinbiochem.2005.05.006
Kinoshita, Sachiko ; Iida, Hiroko ; Inoue, Sumiko ; Watanabe, Kumiko ; Kurihara, Masako ; Wada, Yui ; Tsuda, Hiroko ; Kang, Dongchon ; Hamasaki, Naotaka. / Protein S and protein C gene mutations in Japanese deep vein thrombosis patients. In: Clinical Biochemistry. 2005 ; Vol. 38, No. 10. pp. 908-915.
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AU - Kurihara, Masako

AU - Wada, Yui

AU - Tsuda, Hiroko

AU - Kang, Dongchon

AU - Hamasaki, Naotaka

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