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Expression of nuclear receptors and glucose metabolic pathway proteins in sebaceous carcinoma: Androgen receptor and monocarboxylate transporter 1 have a key role in disease progression

  • Authors:
    • Youn Joo Choi
    • Min Kyu Yang
    • Namju Kim
    • Sang In Khwarg
    • Hokyung Choung
    • Ji Eun Kim
  • View Affiliations

  • Published online on: October 4, 2024     https://doi.org/10.3892/ol.2024.14726
  • Article Number: 593
  • Copyright: © Choi et al. This is an open access article distributed under the terms of Creative Commons Attribution License [CC BY_NC 4.0].

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Abstract

Standard systemic treatments are not consistently effective for treating unresectable or advanced sebaceous carcinoma (SC). The present study investigated the pathogenic roles of nuclear receptors (NRs), glucose metabolic dysregulation and immune checkpoint proteins in SC as prognostic markers or therapeutic targets. Patients with pathologically confirmed SC between January 2002 and December 2019 at three university hospitals in South Korea were included in the present study. Immunohistochemistry was performed on paraffin‑embedded tumor tissues for glucocorticoid receptors (GR), androgen receptors (AR), estrogen receptors (ER), progesterone receptors (PR), glucose transporter 1 (GLUT1), monocarboxylate transporters (MCT1 and MCT4), CD147, phosphorylated adenosine monophosphate‑activated protein kinase (pAMPK) and the immune checkpoint protein, programmed cell death‑ligand 1 (PD‑L1). The results were semi‑quantitatively assessed and the associations of these proteins with various clinicopathological parameters were determined. A total of 39 cases of SC comprising 19 periocular and 20 extraocular tumors were enrolled. NRs were frequently detected in the tumor nuclei, with GR having the highest frequency (89.7%), followed by AR, ER (both 51.3%) and PR (41.0%). Regarding glucose metabolism, CD147, GLUT1 and MCT1 were highly expressed at 100, 89.7 and 87.2%, respectively, whereas MCT4 and pAMPK expression levels were relatively low at 38.5 and 35.9%, respectively. Membranous expression of PD‑L1 was detected in five cases (12.8%), four of which were extraocular. In the multivariate analysis, advanced stage, low AR positivity and high MCT1 expression were independent poor prognostic factors for metastasis‑free survival (all P<0.05). The present results suggested that hormonal and metabolic dysregulation may be associated with the pathogenesis of SC, and that AR and MCT1 in particular may serve as prognostic indicators and potential therapeutic targets. Additionally, ~10% of SC cases exhibited PD‑L1 expression within the druggable range, and these patients are expected to benefit from treatment with immune checkpoint inhibitors.
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December-2024
Volume 28 Issue 6

Print ISSN: 1792-1074
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Spandidos Publications style
Choi YJ, Yang MK, Kim N, Khwarg SI, Choung H and Kim JE: Expression of nuclear receptors and glucose metabolic pathway proteins in sebaceous carcinoma: Androgen receptor and monocarboxylate transporter 1 have a key role in disease progression. Oncol Lett 28: 593, 2024.
APA
Choi, Y.J., Yang, M.K., Kim, N., Khwarg, S.I., Choung, H., & Kim, J.E. (2024). Expression of nuclear receptors and glucose metabolic pathway proteins in sebaceous carcinoma: Androgen receptor and monocarboxylate transporter 1 have a key role in disease progression. Oncology Letters, 28, 593. https://doi.org/10.3892/ol.2024.14726
MLA
Choi, Y. J., Yang, M. K., Kim, N., Khwarg, S. I., Choung, H., Kim, J. E."Expression of nuclear receptors and glucose metabolic pathway proteins in sebaceous carcinoma: Androgen receptor and monocarboxylate transporter 1 have a key role in disease progression". Oncology Letters 28.6 (2024): 593.
Chicago
Choi, Y. J., Yang, M. K., Kim, N., Khwarg, S. I., Choung, H., Kim, J. E."Expression of nuclear receptors and glucose metabolic pathway proteins in sebaceous carcinoma: Androgen receptor and monocarboxylate transporter 1 have a key role in disease progression". Oncology Letters 28, no. 6 (2024): 593. https://doi.org/10.3892/ol.2024.14726