Cyclin D3 expression in normal fetal, normal adult and neoplastic feline tissue

A. J. Norris, Stephen M Griffey, M. D. Lucroy, B. R. Madewell

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Cyclin D3 is a tightly regulated cell cycle protein and member of the cyclin D family - A group of proteins that facilitates the progression of a cell through G1 and into the S phase of the cell cycle. All cells use at least one of the cyclin D proteins for cell cycle regulation. In this study, feline tissues (normal fetal and adult, and neoplastic) were examined immunohistochemically for expression and topographical distribution of cyclin D3. Its distribution was similar to that in human tissues in health and neoplasia, and suggested a dual role of cyclin D3 in cell proliferation and differentiation. Immature lymphoid tissue and proliferating epithelial cells in health and neoplasia were immunoreactive for cyclin D3, whereas expression of the protein in other immunoreactive tissues reflected differentiated cell types. Immunoreactivity for cyclin D3 was particularly striking in germinal centre cells of normal lymph nodes and B-cell lymphomas, and in normal suprabasal epithelial cells of the skin and mucous membranes of the oropharynx and in squamous cell carcinomas at these sites.

Original languageEnglish (US)
Pages (from-to)329-339
Number of pages11
JournalJournal of Comparative Pathology
Volume132
Issue number4
DOIs
StatePublished - May 2005

Keywords

  • Cat
  • Cyclin D3
  • Tumour

ASJC Scopus subject areas

  • Animal Science and Zoology

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