title: Analysis of the novel cyclin-dependent kinase 4 and 6 inhibitor gene p18 in lymphoma and leukemia cell lines.
abstract: The genes for the CDK4/6-inhibitors p16INK4A/MTS1 and p15INK4B/MTS2 are frequently deleted in hematological malignancies. A new member of this family of CDK4/6 inhibitors is p18. In order to assess p18 growth-suppressor gene alterations in hematological neoplasms, we investigated 31 lymphoma and leukemia cell lines by PCR for both exons of this gene. No homozygous deletions were observed. Investigation of a new intragenic restriction fragment length polymorphism revealed no differences in allele distribution between the tumor cell lines and healthy volunteers. Our results suggest that homozygous deletion of the p18 gene does not play a major role in leukemogenesis or lymphomagenesis.
authors.affiliation: Department of Medical Oncology, University of Essen Medical School, Germany.
authors.forename: R
authors.initials: R
authors.lastname: Siebert
authors.forename: C P
authors.initials: CP
authors.lastname: Willers
authors.forename: A
authors.initials: A
authors.lastname: Fosså
authors.forename: O
authors.initials: O
authors.lastname: Kloke
authors.forename: M R
authors.initials: MR
authors.lastname: Nowrousian
authors.forename: S
authors.initials: S
authors.lastname: Seeber
authors.forename: B
authors.initials: B
authors.lastname: Opalka
mesh_terms: D001483:Base Sequence; D051358:Cyclin-Dependent Kinase 4; D051361:Cyclin-Dependent Kinase 6; D018844:Cyclin-Dependent Kinases / Q000037:antagonists & inhibitors*; D004791:Enzyme Inhibitors; D017353:Gene Deletion; D005787:Gene Frequency; D016147:Genes, Tumor Suppressor; D006801:Humans; D007938:Leukemia / Q000235:genetics*; D008223:Lymphoma / Q000235:genetics*; D008969:Molecular Sequence Data; D016133:Polymerase Chain Reaction; D012150:Polymorphism, Restriction Fragment Length; D017346:Protein Serine-Threonine Kinases / Q000037:antagonists & inhibitors*; D011518:Proto-Oncogene Proteins
chemical_list: D004791:Enzyme Inhibitors; D011518:Proto-Oncogene Proteins; D017346:Protein Serine-Threonine Kinases; C495900:CDK4 protein, human; C495911:CDK6 protein, human; D051358:Cyclin-Dependent Kinase 4; D051361:Cyclin-Dependent Kinase 6; D018844:Cyclin-Dependent Kinases