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Cytogenetic investigations of chronic lymphocytic leukemia

Citation

Wren, C and Moriarty, H and Marsden, K and Tegg, E, Cytogenetic investigations of chronic lymphocytic leukemia, Cancer Genetics and Cytogenetics, 198, (2) pp. 155-161. ISSN 0165-4608 (2010) [Refereed Article]


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DOI: doi:10.1016/j.cancergencyto.2009.12.014

Abstract

This study aimed to determine which culture method would yield the highest culture success rate, mitotic index, banding resolution, and abnormality rate in investigation of patients with chronic lymphocytic leukemia (CLL). A range of culture techniques for conventional cytogenetic (CC) analyses was compared: 24-hour unstimulated, 72 hours incubation with additional fetal calf serum, 72 hours stimulation with interleukin 4, 72 hours stimulation with lipopolysaccharide (LPS), 72 hours stimulation with TPA (12-O-tetradecanoylphorbol 13-acetate), and 72 hours stimulation with CpG-oligonucleotide DSP30 + Interleukin-2 (IL-2). CC abnormality rates were also compared to fluorescence in situ hybridization (FISH) results using probes for CLL (LSI D13S319/13q34/CEP 12: LSI ATM/p53). Forty-five samples from 24 patients (consisting of 11 newly diagnosed and 13 previously diagnosed patients) were included. For CC, a 100.0% culture success rate was achieved (n = 45) by means of an EDTA (ethylenediaminetetraacetic acid) peripheral blood sample with an associated 62.5% CC abnormality rate (n = 24). FISH detected an abnormality rate of 75.0% (n = 24). The combined CC and FISH abnormality rate was 87.5% (n = 24). This study demonstrates that CC that uses TPA and DSP30 + IL-2 on EDTA peripheral blood is effective in the investigation of CLL and may be used as a supplement to FISH studies.

Item Details

Item Type:Refereed Article
Research Division:Medical and Health Sciences
Research Group:Cardiorespiratory Medicine and Haematology
Research Field:Haematology
Objective Division:Health
Objective Group:Clinical Health (Organs, Diseases and Abnormal Conditions)
Objective Field:Blood Disorders
Author:Tegg, E (Dr Elizabeth Tegg)
ID Code:65867
Year Published:2010
Web of Science® Times Cited:5
Deposited By:Menzies Institute for Medical Research
Deposited On:2010-12-07
Last Modified:2011-05-02
Downloads:0

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