PMID: 16629156Apr 25, 2006Paper

Relationships between T-cell-mediated immune response and Pb, Zn, Cu, Cd, and as concentrations in blood of nestling white storks (Ciconia ciconia) and black kites (Milvus migrans) from Doñana (southwestern Spain) after the Aznalcóllar toxic spill

Environmental Toxicology and Chemistry
Raquel BaosFernando Hiraldo

Abstract

In the Aznalcóllar mining accident (April 1998), nearly six million cubic meters of toxic wastes were spilled in the surroundings of the Doñana National Park (southwestern Spain). The present study focused on the likely effects of metal pollution on the immune system of nestling white storks (Ciconia ciconia) and black kites (Milvus migrans) sampled in the nearby area. Using the phytohaemagglutinin skin test, we examined cell-mediated immune response (CMI) in relation to Pb, Zn, Cu, Cd, and As concentrations in blood of 281 nestling white storks and of 89 black kites. The former species was monitored along a four-year period (1999, 2001-2003), while black kites were sampled in 1999. Overall, average levels of heavy metals and As were relatively low when compared to those reported for birds in metal-polluted areas. Copper showed a negative effect on CMI in both species, although the relationship was significant only for white storks in 2002. We found no evidence that environmental exposure to Pb, Zn, As, and Cd had any effect on nestlings' CMI. Interannual consistency is revealed as an important factor, supporting the need of long-term studies when assessing the immunotoxic effects of metal exposure in the wild.

Citations

Sep 30, 2008·PloS One·José L TellaGuillermo Blanco
May 9, 2009·The Veterinary Journal·Raimon GuitartPhilippe Berny
Jan 25, 2017·The Science of the Total Environment·Esperanza Gil-JiménezMiguel Ferrer
Jul 9, 2016·Basic & Clinical Pharmacology & Toxicology·Huiling ChenZhongqiu Lu
Sep 25, 2020·Biomarkers : Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals·Juan P Ceyca-ContrerasJaqueline García-Hernández
Jul 31, 2014·Environmental Monitoring and Assessment·Manuela CarneiroSantiago Lavín

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