FEZ1/LZTS1 gene at 8p22 suppresses cancer cell growth and regulates mitosis

H. Ishii, A. Vecchione, Y. Murakumo, G. Baldassarre, S. Numata, F. Trapasso, H. Alder, R. Baffa, C. M. Croce

Research output: Contribution to journalArticlepeer-review


The FEZ1/LZTS1 gene maps to chromosome 8p22, a region that is frequently deleted in human tumors. Alterations in FEZ1/LZTS1 expression have been observed in esophageal, breast, and prostate cancers. Here, we show that introduction of FEZ1/LZTS1 into Fez1/Lzts1-negative cancer cells results in suppression of tumorigenicity and reduced cell growth with accumulation of cells at late S-G2/M stage of the cell cycleFez1/Lzts1 protein is hyperphosphorylated by cAMP-dependent kinase during cell-cycle progression. We found that Fez1/Lzts1 is associated with microtubule components and interacts with p34cdc2 at late S-G2/M stage in vivo. Present data show that FEZ1/LZTS1 inhibits cancer cell growth through regulation of mitosis, and that its alterations result in abnormal cell growth.

Original languageEnglish
Pages (from-to)10374-10379
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Issue number18
Publication statusPublished - Aug 28 2001

ASJC Scopus subject areas

  • Genetics
  • General


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