Expression of sarcosine-metabolizing enzymes in thyroid cancer

Hye Min Kim, Yu Kyung Lee, Ja Seung Koo

Research output: Contribution to journalArticle

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Abstract

The purpose of this study was to investigate the expression of sarcosine metabolism-related proteins according to thyroid cancer subtypes and the implications of these findings. We performed tissue microarrays of 557 thyroid cancer cases (papillary thyroid carcinoma [PTC]: 344, follicular carcinoma [FC]: 112, medullary carcinoma [MC]: 70, poorly differentiated carcinoma [PDC]: 23, and anaplastic carcinoma [AC]: 8) and 152 follicular adenoma cases. Immunohistochemical staining for sarcosine metabolism-related molecules [glycine N-methyltransferase (GNMT), sarcosine dehydrogenase (SARDH), and l-pipecolic acid oxidase (PIPOX)] was conducted, and the results were analyzed based on clinicopathologic parameters. Results: The expression of SARDH and PIPOX was different depending on thyroid cancer subtypes. PTC showed higher expression than other subtypes (P < 0.001). Among PTC, follicular variant (FV) showed lower expression than conventional type (P = 0.010 and P < 0.001) and PTC with BRAF V600E mutation showed higher expression than PTC without BRAF V600E mutation (P < 0.001). In univariate analysis, PIPOX positivity was associated with shorter overall survival (OS) in PTC (P = 0.024). In conclusion, the expression of sarcosine metabolism-related proteins varied according to thyroid cancer subtypes. SARDH and PIPOX showed higher expression in PTC; among PTC, FVPTC showed lower expression and PTC with BRAF V600E mutation showed higher expression.

Original languageEnglish
Pages (from-to)7132-7139
Number of pages8
JournalInternational Journal of Clinical and Experimental Pathology
Volume9
Issue number7
Publication statusPublished - 2016 Jan 1

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Sarcosine
Thyroid Neoplasms
Sarcosine Dehydrogenase
Enzymes
Carcinoma
Mutation
Glycine N-Methyltransferase
Papillary Thyroid cancer
Medullary Carcinoma
Adenoma
Proteins
Staining and Labeling

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine
  • Histology

Cite this

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title = "Expression of sarcosine-metabolizing enzymes in thyroid cancer",
abstract = "The purpose of this study was to investigate the expression of sarcosine metabolism-related proteins according to thyroid cancer subtypes and the implications of these findings. We performed tissue microarrays of 557 thyroid cancer cases (papillary thyroid carcinoma [PTC]: 344, follicular carcinoma [FC]: 112, medullary carcinoma [MC]: 70, poorly differentiated carcinoma [PDC]: 23, and anaplastic carcinoma [AC]: 8) and 152 follicular adenoma cases. Immunohistochemical staining for sarcosine metabolism-related molecules [glycine N-methyltransferase (GNMT), sarcosine dehydrogenase (SARDH), and l-pipecolic acid oxidase (PIPOX)] was conducted, and the results were analyzed based on clinicopathologic parameters. Results: The expression of SARDH and PIPOX was different depending on thyroid cancer subtypes. PTC showed higher expression than other subtypes (P < 0.001). Among PTC, follicular variant (FV) showed lower expression than conventional type (P = 0.010 and P < 0.001) and PTC with BRAF V600E mutation showed higher expression than PTC without BRAF V600E mutation (P < 0.001). In univariate analysis, PIPOX positivity was associated with shorter overall survival (OS) in PTC (P = 0.024). In conclusion, the expression of sarcosine metabolism-related proteins varied according to thyroid cancer subtypes. SARDH and PIPOX showed higher expression in PTC; among PTC, FVPTC showed lower expression and PTC with BRAF V600E mutation showed higher expression.",
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Expression of sarcosine-metabolizing enzymes in thyroid cancer. / Kim, Hye Min; Lee, Yu Kyung; Koo, Ja Seung.

In: International Journal of Clinical and Experimental Pathology, Vol. 9, No. 7, 01.01.2016, p. 7132-7139.

Research output: Contribution to journalArticle

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