Concentrations of Organochlorines Related to Titers to Epstein-Barr Virus Early Antigen IgG as Risk Factors for Hairy Cell Leukemia

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Concentrations of Organochlorines Related to Titers to Epstein-Barr Virus Early Antigen IgG as Risk Factors for Hairy Cell Leukemia

Nordström, Marie (author)

Hardell, Lennart (author)

Lindström, Gunilla (author): Umeå universitet,Kemiska institutionen

Wingfors, Håkan (author): Umeå universitet,Kemiska institutionen

Hardell, Karin (author): Umeå universitet,Kemiska institutionen

Linde, Annika (author)

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(creator_code:org_t)

2000
2000
English.
In: Environmental Health Perspectives. ; 108:5, s. 441-5

Related links:: http://www.ehponline...; show more...; https://urn.kb.se/re...; show less...

Journal article (peer-reviewed)

Abstract Subject headings

Hairy cell leukemia (HCL) is a rare chronic B-cell malignancy that, according to modern classifications, is a subgroup of non-Hodgkin lymphomas (NHLs) . A rapid increase in incidence of NHL has been reported in many countries. The reasons for this increase are largely unknown, but exposure to organochlorines has been suggested as a risk factor. Epstein-Barr virus is a human herpesvirus that has been associated with certain subgroups of NHL. In this study, we measured lipid adjusted blood concentrations (in nanogram per gram) of 36 congeners of polychlorinated biphenyls (PCBs) , p,p´-dichlorodiphenyldichloroethylene (p,p´-DDE) , hexachlorobenzene (HCB) , and four subgroups of chlordanes (trans-nonachlor, cis-nonachlor, MC6, and oxychlordane) in incident cases of HCL and controls from the general population. We obtained results on organochlorines and antibodies for 54 cases and 54 controls. Titers of antibodies to the Epstein-Barr early antigen and Epstein-Barr nuclear antigen, measured as P107, were correlated to concentrations of organochlorines to evaluate the possibility of an interaction between these factors in the pathogenesis of HCL. We found no significant difference in lipid-adjusted blood concentrations of total PCBs, p,p´-DDE, HCB, or the sum of the chlordanes between cases and controls. Titers of antibodies to Epstein-Barr early antigen IgG 40 were correlated to an increased risk for HCL. This risk was further increased in those with a level above the median value of p,p´-DDE, HCB, or the sum of the chlordanes, suggesting an interaction between Epstein-Barr virus and a higher concentration of these chemicals. We also found increased risk for the sum of immunotoxic PCB group.

Keyword

Epstein-Barr virus
hairy cell leukemia
organochlorines.

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By the author/editor: Nordström, Marie; Hardell, Lennart; Lindström, Gunil ...; Wingfors, Håkan; Hardell, Karin; Linde, Annika

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