Corticosterone selectively decreases humoral immunity in female eiders during incubation
Immunity is hypothesized to share limited resources with other physiological functions and this may partly account for the fitness costs of reproduction. Previous studies have shown that the acquired immunity of female common eider ducks (Somateria mollissima) is suppressed during their incubation,...
Main Authors: | , |
---|---|
Format: | Text |
Language: | unknown |
Published: |
arXiv
2007
|
Subjects: | |
Online Access: | https://dx.doi.org/10.48550/arxiv.q-bio/0702017 https://arxiv.org/abs/q-bio/0702017 |
id |
ftdatacite:10.48550/arxiv.q-bio/0702017 |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.48550/arxiv.q-bio/0702017 2023-05-15T15:55:56+02:00 Corticosterone selectively decreases humoral immunity in female eiders during incubation Bourgeon, Sophie Raclot, Thierry 2007 https://dx.doi.org/10.48550/arxiv.q-bio/0702017 https://arxiv.org/abs/q-bio/0702017 unknown arXiv https://dx.doi.org/10.1242/jeb.02610 Assumed arXiv.org perpetual, non-exclusive license to distribute this article for submissions made before January 2004 http://arxiv.org/licenses/assumed-1991-2003/ Populations and Evolution q-bio.PE FOS Biological sciences article-journal Article ScholarlyArticle Text 2007 ftdatacite https://doi.org/10.48550/arxiv.q-bio/0702017 https://doi.org/10.1242/jeb.02610 2022-04-01T15:44:56Z Immunity is hypothesized to share limited resources with other physiological functions and this may partly account for the fitness costs of reproduction. Previous studies have shown that the acquired immunity of female common eider ducks (Somateria mollissima) is suppressed during their incubation, during which they entirely fast. Corticosterone was proposed to be an underlying physiological mechanism for such immunosuppression. Therefore, the current study aimed to assess the effects of exogenous corticosterone on acquired immunity in captive eiders. To this end, females were implanted with corticosterone pellets at different stages of their incubation fast. We measured total immunoglobulin levels, T-cell-mediated immune response, body mass and corticosterone levels in these females and compared them with those of control females prior to and after manipulation (i.e. corticosterone pellet implantation). To mimic corticosterone effects on body mass, we experimentally extended fasting duration in a group of females termed ;late fasters'... Text Common Eider Somateria mollissima DataCite Metadata Store (German National Library of Science and Technology) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Populations and Evolution q-bio.PE FOS Biological sciences |
spellingShingle |
Populations and Evolution q-bio.PE FOS Biological sciences Bourgeon, Sophie Raclot, Thierry Corticosterone selectively decreases humoral immunity in female eiders during incubation |
topic_facet |
Populations and Evolution q-bio.PE FOS Biological sciences |
description |
Immunity is hypothesized to share limited resources with other physiological functions and this may partly account for the fitness costs of reproduction. Previous studies have shown that the acquired immunity of female common eider ducks (Somateria mollissima) is suppressed during their incubation, during which they entirely fast. Corticosterone was proposed to be an underlying physiological mechanism for such immunosuppression. Therefore, the current study aimed to assess the effects of exogenous corticosterone on acquired immunity in captive eiders. To this end, females were implanted with corticosterone pellets at different stages of their incubation fast. We measured total immunoglobulin levels, T-cell-mediated immune response, body mass and corticosterone levels in these females and compared them with those of control females prior to and after manipulation (i.e. corticosterone pellet implantation). To mimic corticosterone effects on body mass, we experimentally extended fasting duration in a group of females termed ;late fasters'... |
format |
Text |
author |
Bourgeon, Sophie Raclot, Thierry |
author_facet |
Bourgeon, Sophie Raclot, Thierry |
author_sort |
Bourgeon, Sophie |
title |
Corticosterone selectively decreases humoral immunity in female eiders during incubation |
title_short |
Corticosterone selectively decreases humoral immunity in female eiders during incubation |
title_full |
Corticosterone selectively decreases humoral immunity in female eiders during incubation |
title_fullStr |
Corticosterone selectively decreases humoral immunity in female eiders during incubation |
title_full_unstemmed |
Corticosterone selectively decreases humoral immunity in female eiders during incubation |
title_sort |
corticosterone selectively decreases humoral immunity in female eiders during incubation |
publisher |
arXiv |
publishDate |
2007 |
url |
https://dx.doi.org/10.48550/arxiv.q-bio/0702017 https://arxiv.org/abs/q-bio/0702017 |
genre |
Common Eider Somateria mollissima |
genre_facet |
Common Eider Somateria mollissima |
op_relation |
https://dx.doi.org/10.1242/jeb.02610 |
op_rights |
Assumed arXiv.org perpetual, non-exclusive license to distribute this article for submissions made before January 2004 http://arxiv.org/licenses/assumed-1991-2003/ |
op_doi |
https://doi.org/10.48550/arxiv.q-bio/0702017 https://doi.org/10.1242/jeb.02610 |
_version_ |
1766391414595256320 |