Journal
BIOLOGY LETTERS
Volume 11, Issue 11, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rsbl.2015.0780
Keywords
maternal antibodies; immune response; grand-maternal effects
Categories
Funding
- local government (Ile-de-France: Sustainable Development Network) [2008-07]
- French Ministry of Research
- Damascus University in Syria
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Maternal antibodies (MatAb) are known to provide passive protection early in life for young vertebrates but their effects on the development of offspring immune response across generations are still unknown. Here, we investigated the effects of antigen exposure (keyhole limpet haemocyanin, KLH) experienced by urban pigeon (Columba livia) females on the amount of antigen-specific antibodies (Abs) transferred into the egg yolk of their daughters and on the humoural immune response towards this same antigen in their grandchildren. We found that chicks from KLH-injected maternal grandmothers had a higher humoural response than chicks from sham-injected grandmothers. However, we did not detect a significant effect of female KLH exposure on the ability of their daughters to transmit anti-KLH Abs into their eggs. These results suggest that antigen exposure at one generation may shape the immune profile of offspring over two next generations, although the underlying mechanisms remain to be investigated.
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