Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL/APO2L) and its receptors expression in human squamous cell carcinoma of the oral cavity

Masakatsu Fukuda, Aya Hamao, Akio Tanaka, Munenori Kitada, Seiji Suzuki, Kaoru Kusama, Hideaki Sakashita

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL/APO2L) is a novel member of the tumor necrosis factor cytokine family and a potent inducer of apoptosis in tumor cells. TRAIL is expressed in most normal human cells and tissues, including peripheral blood leukocytes, spleen, lung and prostate. However, TRAIL expression in human neoplasms is largely unknown. In this study, we investigated whether TRAIL and its receptors are expressed in human oral squamous cell carcinomas (HOSCCs) or HOSCC cell lines (HSC-2, HSC-3, HSC-4, Ca9-22 and KB) and whether these cells are sensitive to TRAIL-induced apoptosis. TRAIL and its receptor transcripts and proteins were detected in all HOSCC cell lines. A cell viability (MTT) assay performed after exposure to recombinant human (rh) TRAIL for 16 h showed that KB cells were the most sensitive. Immunohistochemical examinations for TRAIL expression were also carried out in a total of 50 HOSCC cases with various types of differentiation. In 17 of 27 WHO Grade 1 SCCs, the tumor invasive areas with keratinization showed diffuse and moderate TRAIL expression. In 6 of 20 WHO Grade 2 SCCs, TRAIL expression was slightly to moderately detected. In 1 of 3 WHO Grade 3 SCCs, a slight TRAIL expression was observed. Thus, there is considerable heterogeneity of TRAIL expression and susceptibility to TRAIL-induced apoptosis among human oral tumors.

Original languageEnglish (US)
Pages (from-to)1113-1119
Number of pages7
JournalOncology Reports
Volume10
Issue number5
StatePublished - Sep 2003

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Mouth
Squamous Cell Carcinoma
Tumor Necrosis Factor-alpha
Apoptosis
Ligands
TNF-Related Apoptosis-Inducing Ligand Receptors
KB Cells
Neoplasms
Cell Line
Prostate
Cell Survival
Leukocytes
Spleen
Cytokines
Lung
Proteins

Keywords

  • Apoptosis
  • Confocal laser microscopy
  • Human oral squamous cell carcinoma
  • Monoclonal anti-TRAIL antibody
  • Tumor necrosis factor-related apoptosis-inducing ligand

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL/APO2L) and its receptors expression in human squamous cell carcinoma of the oral cavity. / Fukuda, Masakatsu; Hamao, Aya; Tanaka, Akio; Kitada, Munenori; Suzuki, Seiji; Kusama, Kaoru; Sakashita, Hideaki.

In: Oncology Reports, Vol. 10, No. 5, 09.2003, p. 1113-1119.

Research output: Contribution to journalArticle

Fukuda, Masakatsu ; Hamao, Aya ; Tanaka, Akio ; Kitada, Munenori ; Suzuki, Seiji ; Kusama, Kaoru ; Sakashita, Hideaki. / Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL/APO2L) and its receptors expression in human squamous cell carcinoma of the oral cavity. In: Oncology Reports. 2003 ; Vol. 10, No. 5. pp. 1113-1119.
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