Corticosterone suppresses immune activity in territorial Galápagos marine iguanas during reproduction.

  title={Corticosterone suppresses immune activity in territorial Gal{\'a}pagos marine iguanas during reproduction.},
  author={Silke Berger and Lynn B Martin and Martin Wikelski and L. Michael Romero and Elisabeth Klara Viktoria Kalko and Maren N Vitousek and Thomas R{\"o}dl},
  journal={Hormones and behavior},
  volume={47 4},
Individuals that display elaborate sexually selected characters often show reduced immune function. According to the immunocompetence handicap hypothesis, testosterone (T) is responsible for this result as it drives the development and maintenance of sexual characters and causes immunosuppression. But glucocorticoids also have strong influences on immune function and may also be elevated in reproductively active males. Here, we compared immune activity using the phytohemagglutinin (PHA) skin… CONTINUE READING
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