Hematological parameters of green frogs from populations exposed to the influence of urbanization and pollution were studied from 1999 to 2004. Manifestations of an adaptive response to a complex of corresponding ecological factors were observed, including the development of immune response and the enhancement of the protective function of peripheral blood. A negative correlation was revealed between the integrated index of the immune status and the number of T cells in the peripheral blood. This is evidence that parameters of the T-cell subpopulation are most informative and, therefore, have special significance for assessing the balance of immune system components.
Russian Journal of Ecology – Springer Journals
Published: May 15, 2006
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