title: Localization of the G-CSF gene on chromosome 17 proximal to the breakpoint in the t(15;17) in acute promyelocytic leukemia.
abstract: The human granulocyte-colony stimulating factor gene (G-CSF) is localized at 17q11.2-q21, the region of one of the breakpoints in the 15;17 chromosome translocation specific for acute promyelocytic leukemia (APL). As G-CSF induces differentiation and loss of tumorigenicity in myeloid leukemic cells or cell lines, it was possible that the translocation in APL involved the DNA of the G-CSF coding region or its regulatory region. In situ hybridization to chromosomes with the t(15;17) from patients with the APL translocation using a G-CSF cDNA clone revealed that the coding region of this gene is proximal to the t(15;17) breakpoint on chromosome 17. Southern analysis of DNA from patients with the APL translocation showed no differences in hybridization between normal and leukemic cells. These results indicate that the G-CSF coding sequence is not disrupted by the chromosomal rearrangement characteristic of APL.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000368:Aged; D001483:Base Sequence; D002869:Chromosome Aberrations; D002874:Chromosome Mapping; D002884:Chromosomes, Human, Pair 15 / Q000648:ultrastructure*; D002886:Chromosomes, Human, Pair 17 / Q000648:ultrastructure*; D003115:Colony-Stimulating Factors / Q000235:genetics*; D005260:Female; D016179:Granulocyte Colony-Stimulating Factor; D006801:Humans; D015470:Leukemia, Myeloid, Acute / Q000235:genetics* / Q000473:pathology; D008677:Metaphase; D009693:Nucleic Acid Hybridization; D014178:Translocation, Genetic
chemical_list: D003115:Colony-Stimulating Factors; D016179:Granulocyte Colony-Stimulating Factor