High expression of myoferlin is associated with poor outcome in oropharyngeal squamous cell carcinoma patients and is inversely associated with HPV-status

Bhavna Kumar, Nicole V. Brown, Benjamin J. Swanson, Alessandra C. Schmitt, Matthew Old, Enver Ozer, Amit Agrawal, David E. Schuller, Theodoros N. Teknos, Pawan Kumar

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Myoferlin (MYOF) is a member of ferlin family of membrane proteins that was originally discovered as a muscle specific protein. Recent studies have shown that myoferlin is also expressed in other cell types including endothelial cells and cancer cells. However, very little is known about the expression and biological role of myoferlin in head and neck cancer. In this study, we examined expression profile of myoferlin in oropharyngeal squamous cell carcinoma (OPSCC) and assessed its correlation with disease progression and patient outcome. In univariate analyses, nuclear MYOF was associated with poor overall survival (p < 0.001) and these patients had 5.5 times increased hazard of death (95% Cl 3.4-8.8). Nuclear myoferlin expression was also directly associated with tumor recurrence (p < 0.001), perineural invasion (p=0.008), extracapsular spread (p=0.009), higher T-stage (p=0.0015) and distant metastasis (p < 0.001). In addition, nuclear MYOF expression was directly associated with IL-6 (p < 0.001) and inversely with HPV status (p=0.0014). In a subgroup survival analysis, MYOF nuclear+/IL-6+ group had worst survival (84.6% mortality), whereas MYOF nuclear-/IL-6- had the best survival. Similarly, patients with HPV-negative/MYOFpositive tumors had worse survival compared to HPV-positive/MYOF-negative. Taken together, our results demonstrate for the first time that nuclear myoferlin expression independently predicts poor clinical outcome in OPSCC patients.

Original languageEnglish (US)
Pages (from-to)18665-18677
Number of pages13
JournalOncotarget
Volume7
Issue number14
DOIs
StatePublished - Jan 1 2016

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Squamous Cell Carcinoma
Interleukin-6
Survival
Neoplasms
Muscle Proteins
Survival Analysis
Head and Neck Neoplasms
Disease Progression
Membrane Proteins
Endothelial Cells
Neoplasm Metastasis
Recurrence
Mortality

Keywords

  • HPV
  • IL-6
  • Myoferlin
  • Nanog
  • OPSCC

ASJC Scopus subject areas

  • Oncology

Cite this

High expression of myoferlin is associated with poor outcome in oropharyngeal squamous cell carcinoma patients and is inversely associated with HPV-status. / Kumar, Bhavna; Brown, Nicole V.; Swanson, Benjamin J.; Schmitt, Alessandra C.; Old, Matthew; Ozer, Enver; Agrawal, Amit; Schuller, David E.; Teknos, Theodoros N.; Kumar, Pawan.

In: Oncotarget, Vol. 7, No. 14, 01.01.2016, p. 18665-18677.

Research output: Contribution to journalArticle

Kumar, Bhavna ; Brown, Nicole V. ; Swanson, Benjamin J. ; Schmitt, Alessandra C. ; Old, Matthew ; Ozer, Enver ; Agrawal, Amit ; Schuller, David E. ; Teknos, Theodoros N. ; Kumar, Pawan. / High expression of myoferlin is associated with poor outcome in oropharyngeal squamous cell carcinoma patients and is inversely associated with HPV-status. In: Oncotarget. 2016 ; Vol. 7, No. 14. pp. 18665-18677.
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AU - Schmitt, Alessandra C.

AU - Old, Matthew

AU - Ozer, Enver

AU - Agrawal, Amit

AU - Schuller, David E.

AU - Teknos, Theodoros N.

AU - Kumar, Pawan

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