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- Title
Current Status of Developmental Immunotoxicity: Early-Life Patterns and Testing.
- Authors
DeWitt, Jamie C.; Peden-Adams, Margie M.; Keil, Deborah E.; Dietert, Rodney R.
- Abstract
Developmental immunotoxicity (DIT) occurs when exposure to environmental risk factors prior to adulthood, including chemical, biological, physical, or physiological factors, alters immune system development. DIT may elicit suppression, hyperactivation, or misregulation of immune responses and therefore may present clinically as decreased resistance to pathogens, allergic and autoimmune diseases, and inflammatory diseases. When evaluating DIT in an animal model, specific endpoints are assessed, which can reveal the potential for a risk factor to alter immune system development. However, linking DIT evaluation in an animal model with clinical realities observed in human populations requires that DIT testing regimens evaluate critical windows in immune system development. In addition, pathways leading to DIT may not be apparent without the stressors that induce aberrant and detectable responses. This review contains brief descriptions of recently published work that addresses disease patterns associated with DIT and solutions for altering such patterns of disease. We also comment on gaps between DIT testing in animal models and the clinical manifestation of immune-based diseases in children that can be filled by a better understanding of critical windows in immune system development and DIT testing that includes multiple functional assays.
- Subjects
IMMUNOTOXICOLOGY; DEVELOPMENTAL immunology; PRENATAL diagnosis; CHILD development; IMMUNE system; PSYCHOLOGY
- Publication
Toxicologic Pathology, 2012, Vol 40, Issue 2, p230
- ISSN
0192-6233
- Publication type
Article
- DOI
10.1177/0192623311427709