4.7 Article

Stathmin as a surrogate marker of phosphatidylinositol-3-kinase pathway activity: Towards precision medicine in HPV-negative head & neck squamous cell carcinoma

期刊

GENES & DISEASES
卷 9, 期 3, 页码 820-825

出版社

ELSEVIER
DOI: 10.1016/j.gendis.2020.12.002

关键词

Cancer; Head & neck squamous cell carcinoma; Pathology; Stathmin

资金

  1. AMA Foundation Seed Grant
  2. NIH/NCI [1R01CA217207, 1R01CA178445]

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By comparing Stathmin IHC with the expression of other pathway components, we evaluated it as an indicator of PI3K pathway activity. We found a strong correlation between Stathmin IHC and pAKT1 expression, as well as an association with oropharyngeal primary site. There was no correlation with the mutation of the evaluated genes. This suggests the potential relevance of Stathmin IHC in the context of HNSCC.
In order to assess Stathmin as an immunohistochemical (IHC) indicator of phosphatidylinositol 3-kinase (PI3K) pathway activity in HPV-negative head & neck squamous cell carcinoma (HNSCC), we compared Stathmin IHC to expression of other pathway components. We also evaluated the relationship between Stathmin IHC and the mutational status of four key pathway genes. Finally, we ascertained whether Stathmin IHC correlates with tumor grade or primary site. Correlation exists between high Stathmin expression and high pAKT1 expression, indicating a role for Stathmin IHC as a marker of pathway activity. Our analysis did not show correlation between Stathmin IHC and mutation of the four genes evaluated. We also observed an association between high Stathmin expression and oropharyngeal primary site. Our results suggest utility of Stathmin IHC as an indicator of PI3K pathway activity, and thereby demonstrate potential relevance of Stathmin IHC in the context of HNSCC. Copyright (C) 2020, Chongqing Medical University. Production and hosting by Elsevier B.V.

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