Localization of a CDKN2 gene in linkage group V of Xiphophorus fishes defines it as a candidate for the DIFF tumor suppressor

Steven Kazianis, Heidrun Gutbrod, Rodney S. Nairn, Brenda B. McEntire, Luis Della Coletta, Ronald B. Walter, Richard L. Borowsky, Avril D. Woodhead, Richard B. Setlow, Manfred Schartl, Donald C. Morizot

Research output: Contribution to journalArticle

Abstract

The Xiphophorus hybrid melanoma model represents one of the earliest reported cases of genetically regulated tumor susceptibility. Melanoma formation in Xiphophorus hybrids may be explained by the inheritance of two genes: a sex-inked oncogene, Xmrk, and a putative tumor suppressor locus, termed DIFF, located in Linkage Group V (LGV). Several genetic mapping procedures were used to produce a new Xiphophorus LGV map with 20 loci. All markers, particularly a recently cloned Xiphophorus CDKN2 gene family member, called CDKN2X, were tested for associations of genotype with degree of macromelanophore pigment pattern modification and susceptibility to melanoma formation in backcross hybrids of seven genetic types, involving 1,110 fish and three pigment patterns. Highly significant associations of CDKN2X genotypes with such phenotypic effects suggests that this gene is a strong candidate for the classically defined DIFF tumor suppressor gene. Because published results have documented the involvement of the CDKN2A (p16, MTSI, and INK4A) tumor suppressor gene in human melanoma formation, the possibility of CDKN2 genes acting as tumor suppressors in both man and Xiphophorus is likely.

Original languageEnglish (US)
Pages (from-to)210-220
Number of pages11
JournalGenes Chromosomes and Cancer
Volume22
Issue number3
DOIs
StatePublished - Jul 1998

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Cyprinodontiformes
p16 Genes
Fishes
Melanoma
Neoplasms
Tumor Suppressor Genes
Genotype
Cyclin-Dependent Kinase Inhibitor p16
Oncogenes
Genes

ASJC Scopus subject areas

  • Cancer Research
  • Genetics

Cite this

Localization of a CDKN2 gene in linkage group V of Xiphophorus fishes defines it as a candidate for the DIFF tumor suppressor. / Kazianis, Steven; Gutbrod, Heidrun; Nairn, Rodney S.; McEntire, Brenda B.; Della Coletta, Luis; Walter, Ronald B.; Borowsky, Richard L.; Woodhead, Avril D.; Setlow, Richard B.; Schartl, Manfred; Morizot, Donald C.

In: Genes Chromosomes and Cancer, Vol. 22, No. 3, 07.1998, p. 210-220.

Research output: Contribution to journalArticle

Kazianis, S, Gutbrod, H, Nairn, RS, McEntire, BB, Della Coletta, L, Walter, RB, Borowsky, RL, Woodhead, AD, Setlow, RB, Schartl, M & Morizot, DC 1998, 'Localization of a CDKN2 gene in linkage group V of Xiphophorus fishes defines it as a candidate for the DIFF tumor suppressor', Genes Chromosomes and Cancer, vol. 22, no. 3, pp. 210-220. https://doi.org/10.1002/(SICI)1098-2264(199807)22:3<210::AID-GCC6>3.0.CO;2-Z
Kazianis, Steven ; Gutbrod, Heidrun ; Nairn, Rodney S. ; McEntire, Brenda B. ; Della Coletta, Luis ; Walter, Ronald B. ; Borowsky, Richard L. ; Woodhead, Avril D. ; Setlow, Richard B. ; Schartl, Manfred ; Morizot, Donald C. / Localization of a CDKN2 gene in linkage group V of Xiphophorus fishes defines it as a candidate for the DIFF tumor suppressor. In: Genes Chromosomes and Cancer. 1998 ; Vol. 22, No. 3. pp. 210-220.
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