Exposure to sodium tungstate and Respiratory Syncytial Virus results in hematological/immunological disease in C57BL/6J mice

Cynthia D. Fastje, Kevin Harper, Chad Terry, Paul Sheppard, Mark L. Witten

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The etiology of childhood leukemia is not known. Strong evidence indicates that precursor B-cell Acute Lymphoblastic Leukemia (Pre-B ALL) is a genetic disease originating in utero. Environmental exposures in two concurrent, childhood leukemia clusters have been profiled and compared with geographically similar control communities. The unique exposures, shared in common by the leukemia clusters, have been modeled in C57BL/6 mice utilizing prenatal exposures. This previous investigation has suggested in utero exposure to sodium tungstate (Na 2WO 4) may result in hematological/ immunological disease through genes associated with viral defense. The working hypothesis is (1) in addition to spontaneously and/or chemically generated genetic lesions forming pre-leukemic clones, in utero exposure to Na 2WO 4 increases genetic susceptibility to viral influence(s); (2) postnatal exposure to a virus possessing the 1FXXKXFXXA/V 9 peptide motif will cause an unnatural immune response encouraging proliferation in the B-cell precursor compartment. This study reports the results of exposing C57BL/6J mice to Na 2WO 4 in utero via water (15 ppm, ad libetum) and inhalation (mean concentration PM 5 3.33 mg/m 3) and to Respiratory Syncytial Virus (RSV) within 2 weeks of weaning. Inoculation of C57BL/6J mice with RSV was associated with a neutrophil shift in 56% of 5-month old mice. When the RSV inoculation was combined with Na 2WO 4-exposure, significant splenomegaly resulted (p = 0.0406, 0.0184, 0.0108 for control, Na 2WO 4-only and RSV-only, respectively) in addition to other hematological pathologies which were not significant. Exposure to Na 2WO 4 and RSV resulted in hematological/immunological disease, the nature of which is currently inconclusive. Further research is needed to characterize this potential leukemia mouse model.

Original languageEnglish (US)
Pages (from-to)89-95
Number of pages7
JournalChemico-Biological Interactions
Volume196
Issue number3
DOIs
StatePublished - Apr 5 2012

Fingerprint

Respiratory Syncytial Viruses
Hematologic Diseases
Immune System Diseases
Inbred C57BL Mouse
Viruses
Leukemia
Precursor B-Cell Lymphoblastic Leukemia-Lymphoma
Cells
Inborn Genetic Diseases
B-Lymphoid Precursor Cells
Splenomegaly
Environmental Exposure
Genetic Predisposition to Disease
Weaning
Precursor Cell Lymphoblastic Leukemia-Lymphoma
Inhalation
Pathology
Neutrophils
Clone Cells
sodium tungstate(VI)

Keywords

  • Childhood leukemia
  • Respiratory Syncytial Virus
  • Tungsten

ASJC Scopus subject areas

  • Toxicology

Cite this

Exposure to sodium tungstate and Respiratory Syncytial Virus results in hematological/immunological disease in C57BL/6J mice. / Fastje, Cynthia D.; Harper, Kevin; Terry, Chad; Sheppard, Paul; Witten, Mark L.

In: Chemico-Biological Interactions, Vol. 196, No. 3, 05.04.2012, p. 89-95.

Research output: Contribution to journalArticle

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