Expression of glutamine metabolism-related proteins in Hürthle cell neoplasm of thyroid: Comparison with follicular neoplasm

Yoon Jin Cha, Haerin Jang, Ja Seung Koo

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2 Citations (Scopus)


Purpose. We evaluated the expression of glutaminolysis-related proteins in Hurthle cell neoplasms (HCN) and follicular neoplasms (FN) of the thyroid, and investigated its clinical implication. Methods. Tissue microarrays were constructed from 264 FNs (112 follicular carcinomas [FCs] and 152 follicular adenomas [FAs]) and 108 HCNs (27 Hurthle cell carcinomas [HCCs] and 81 Hurthle cell adenomas [HCAs]. The immunohistochemical staining result of 3 glutaminolysis-related proteins (Glutaminase 1 [GLS1], glutaminate dehydrogenase [GDH] and alanine-serine, cysteine-preferring transporter 2 [ASCT2]) was analyzed. Results. GLS1 and GDH showed significantly higher expression rates in HCN compared to FN (P<0.001). More HCN cases showed co-positivity of multiple glutaminolysis-related proteins than those of FN cases (P<0.001). In silico analysis, both GLUD1 and GLUD2 showed higher expression rate in HCA compared to FA (P=0.027 and P=0.018, respectively). SLC1A5 expression was highest in HCA, followed by FC and FA (HCA vs FC, P=0.023; FC vs FA, P=0.002). Conclusion. FN and HCN exhibit a different expression pattern for glutaminolysis-related proteins, and GLS1 and GDH have higher expression rates in HCN and FN.

Original languageEnglish
Pages (from-to)167-174
Number of pages8
JournalHistology and Histopathology
Issue number2
Publication statusPublished - 2019 Feb 1

Bibliographical note

Funding Information:
This study was supported by a grant from the National R&D Program for Cancer Control, Ministry of Health & Welfare, Republic of Korea (1420080). This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (2015R1A1A1A05001209).

Publisher Copyright:
© 2019, Histology and Histopathology. All rights reserved.

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine
  • Histology


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