Mating with immunised male mice affects the phenotype of adult progeny

doi:10.1530/REP-19-0360

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DOI Доступ к ресурсу на сайте издателя			10.1530/REP-19-0360

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Title: Mating with immunised male mice affects the phenotype of adult progeny
Creator: Anisimova, Margarita V.
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Kontsevaya, Galina V.
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Maslennikova, Svetlana O.
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Romashchenko, Alexander V.
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Gong, Yanli
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Moshkin, Yuri M.
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Moshkin, Mikhail P.
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Gerlinskaya, Ludmila A.
Date: 2020
DOI: 10.1530/REP-19-0360
Description: The life-history theory suggests that parental experience of the environment is passed to offspring, which allows them to adapt to prevailing conditions. This idea is supported from the mother's side, but to a much less extent from the father's side. Here, we investigated the effect of immunising fathers on pre- and neonatal development and on immune and neuroendocrine phenotypes of their offspring in C57BL/6J mice. Nine days before mating, fathers were intraperitoneally injected with the immunogenic protein keyhole limpet hemocyanin (KLH). Females mated with immunised males had less pre-weaning mortality of newborns compared to those mated with control males. Although the antibody response to KLH was similar for the male offspring of control and immunised fathers, the mass indexes of their main immune organs and their androgen response differed significantly. The mass indexes of the thymus and spleen in adult male offspring of immunised fathers were higher compared with the control offspring. The plasma testosterone levels were significantly decreased after KLH administration in the male offspring of control but not of immunised fathers. This was correlated with changes in sperm average path and straight-line velocities. Finally, excitatory neurotransmitters prevailed over inhibitory ones in the amygdala of the progeny of immunised fathers, while in control offspring, the opposite occurred. This is indicative of complex behavioural changes in the offspring of immunised fathers, including sexual ones. Therefore, the paternal experience of foreign antigens modulates the immune and neuroendocrine systems of their progeny, suggesting possible survival and reproductive adaptations to parasitic pressure.