A novel putative tyrosine kinase receptor with oncogenic potential.

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109

作者：

JWG Janssen，AS Schulz，ACM Steenvoorden，M Schmidberger，CR Bartram

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摘要：

We have detected transforming activity by a tumorigenicity assay using NIH3T3 cells transfected with DNA from a chronic myeloproliferative disorder patient. Here, we report the cDNA cloning of the corresponding oncogene, designated UFO, in allusion to the as yet unidentified function of its protein. Nucleotide sequence analysis of a 3116bp cDNA clone revealed a 2682-bp-long open reading frame capable of directing the synthesis of a 894 amino acid polypeptide. The predicted UFO protein exhibits characteristic features of a transmembrane receptor with associated tyrosine kinase activity. The UFO proto-oncogene maps to human chromosome 19q13.1 and is transcribed into two 5.0 kb and 3.2 kb mRNAs in human bone marrow and human tumor cell lines. The UFO locus is evolutionarily conserved between vertebrate species. A 4.0 kb mRNA of the murine UFO homolog is expressed in a variety of different mouse tissues. We thus have identified a novel element of the complex signaling network involved in the control of cell proliferation and differentiation.

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关键词：

Chromosomes, Human, Pair 19 Animals Humans Mice Mice, Nude Cell Transformation, Neoplastic Receptor Protein-Tyrosine Kinases Oncogene Proteins Proto-Oncogene Proteins Blotting, Northern