Cytoplasmic accumulation of activated leukocyte cell adhesion molecule is a predictor of disease progression and reduced survival in oral cancer patients

Meenakshi Sawhney, Ajay Matta, Muzafar A. Macha, Jatinder Kaur, Siddhartha Dattagupta, Nootan K. Shukla, Ranju Ralhan

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Activated leukocyte cell adhesion molecule (ALCAM) has been proposed to function as a cell surface sensor for cell density, controlling the transition between local cell proliferation and tissue invasion in cancer progression. Herein, we determined ALCAM expression in 107 oral squamous cell carcinomas (OSCCs), 78 oral lesions (58 hyperplasias and 20 dysplasias) and 30 histologically normal oral tissues using immunohistochemistry and correlated with clinicopathological parameters. Significant increase in ALCAM immunopositivity was observed from normal oral mucosa, hyperplasia, dysplasia to OSCCs (ptrend < 0.001). Increased ALCAM expression was observed in cytoplasm of epithelial cells as early as in hyperplasia (p = 0.001, OR = 3.8). Sixty-five of 107 (61%) OSCCs showed significant overexpression of ALCAM protein in cytoplasm/membrane of tumor cells (p = 0.043; OR = 3.3) in comparison with the normal oral tissues. Among OSCCs, cytoplasmic ALCAM was associated with advanced tumor size, tumor stage and tobacco consumption. Importantly, cytoplasmic ALCAM was an independent predictor of poor prognosis of OSCCs in multivariate analysis (p 5 0.012, OR 5 6.2). In an attempt to understand the molecular basis of cytoplasmic localization of ALCAM, 14-3-3ζ and 14-3-3σ were identified as its novel binding partners in oral cancer cells. In conclusion, increased expression of ALCAM is an early event in oral tumorigenesis; its cytoplasmic accumulation in tumor cells is a predictor of poor prognosis of OSCCs, underscoring its potential as a candidate prognostic marker for oral cancer.

Original languageEnglish (US)
Pages (from-to)2098-2105
Number of pages8
JournalInternational Journal of Cancer
Volume124
Issue number9
DOIs
StatePublished - May 1 2009

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Activated-Leukocyte Cell Adhesion Molecule
Mouth Neoplasms
Disease Progression
Survival
Squamous Cell Carcinoma
Hyperplasia
Neoplasms
Cytoplasm
Mouth Mucosa
Tobacco Use
Carcinogenesis
Multivariate Analysis
Cell Count
Epithelial Cells

Keywords

  • 14-3-3
  • ALCAM
  • Dysplasia
  • Hyperplasia
  • Oral cancer

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Cytoplasmic accumulation of activated leukocyte cell adhesion molecule is a predictor of disease progression and reduced survival in oral cancer patients. / Sawhney, Meenakshi; Matta, Ajay; Macha, Muzafar A.; Kaur, Jatinder; Dattagupta, Siddhartha; Shukla, Nootan K.; Ralhan, Ranju.

In: International Journal of Cancer, Vol. 124, No. 9, 01.05.2009, p. 2098-2105.

Research output: Contribution to journalArticle

Sawhney, Meenakshi ; Matta, Ajay ; Macha, Muzafar A. ; Kaur, Jatinder ; Dattagupta, Siddhartha ; Shukla, Nootan K. ; Ralhan, Ranju. / Cytoplasmic accumulation of activated leukocyte cell adhesion molecule is a predictor of disease progression and reduced survival in oral cancer patients. In: International Journal of Cancer. 2009 ; Vol. 124, No. 9. pp. 2098-2105.
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