The histone deacetylase inhibitor LBH589 inhibits expression of mitotic genes causing G2/M arrest and cell death in head and neck squamous cell carcinoma cell lines

Michael B. Prystowsky, Alfred Adomako, Richard V. Smith, Nicole Kawachi, Wendy McKimpson, Peter Atadja, Quan Chen, Nicolas F. Schlecht, Joanna L. Parish, Geoffrey J. Childs, Thomas J. Belbin

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Head and neck squamous cell carcinoma represents a complex set of neoplasms arising in diverse anatomical locations. The site and stage of the cancer determine whether patients will be treated with single or multi-modality therapy. The HDAC inhibitor LBH589 is effective in treating some haematological neoplasms and shows promise for certain epithelial neoplasms. As with other human cancer cell lines, LBH589 causes up-regulation of p21, G2/M cell cycle arrest, and cell death of human HNSCC cell lines, as measured using flow cytometry and cDNA microarrays. Global RNA expression studies following treatment of the HNSCC cell line FaDu with LBH589 reveal down-regulation of genes required for chromosome congression and segregation (SMC2L1), sister chromatid cohesion (DDX11), and kinetochore structure (CENP-A, CENP-F, and CENP-M ); these LBH589-induced changes in gene expression coupled with the down-regulation of MYC and BIRC5 (survivin) provide a plausible explanation for the early mitotic arrest and cell death observed. When LBH589-induced changes in gene expression were compared with gene expression profiles of 41 primary HNSCC samples, many of the genes that were down-regulated by LBH589 showed increased expression in primary HNSCC, suggesting that some patients with HNSCC may respond to treatment with LBH589.

Original languageEnglish (US)
Pages (from-to)467-477
Number of pages11
JournalJournal of Pathology
Volume218
Issue number4
DOIs
StatePublished - Aug 2009

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Histone Deacetylase Inhibitors
Cell Death
Gene Expression
Cell Line
Down-Regulation
G2 Phase Cell Cycle Checkpoints
Kinetochores
Neoplasms
Chromosome Segregation
Chromatids
Glandular and Epithelial Neoplasms
Hematologic Neoplasms
panobinostat
Carcinoma, squamous cell of head and neck
Oligonucleotide Array Sequence Analysis
Transcriptome
Genes
Siblings
Flow Cytometry
Up-Regulation

Keywords

  • Cell cycle arrest
  • Cell death
  • Gene expression microarray
  • Head and neck squamous cell carcinoma
  • Histone deacetylase inhibitor

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

The histone deacetylase inhibitor LBH589 inhibits expression of mitotic genes causing G2/M arrest and cell death in head and neck squamous cell carcinoma cell lines. / Prystowsky, Michael B.; Adomako, Alfred; Smith, Richard V.; Kawachi, Nicole; McKimpson, Wendy; Atadja, Peter; Chen, Quan; Schlecht, Nicolas F.; Parish, Joanna L.; Childs, Geoffrey J.; Belbin, Thomas J.

In: Journal of Pathology, Vol. 218, No. 4, 08.2009, p. 467-477.

Research output: Contribution to journalArticle

Prystowsky, Michael B. ; Adomako, Alfred ; Smith, Richard V. ; Kawachi, Nicole ; McKimpson, Wendy ; Atadja, Peter ; Chen, Quan ; Schlecht, Nicolas F. ; Parish, Joanna L. ; Childs, Geoffrey J. ; Belbin, Thomas J. / The histone deacetylase inhibitor LBH589 inhibits expression of mitotic genes causing G2/M arrest and cell death in head and neck squamous cell carcinoma cell lines. In: Journal of Pathology. 2009 ; Vol. 218, No. 4. pp. 467-477.
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