Abstract:
:Prenatal fever could result in brain function impairments in the offspring. The present study investigated the effect of interleukin-6 (IL-6)-induced maternal fever on the offspring and the involvement of connexin 36 in this process. Pregnant C57BL/6J mice were injected with IL-6 on gestational day 15. The levels of iNOS and COX-2 were measured as an index of neuroinflammation in the brain of newborn pups. Offspring were treated with the connexin 36 (Cx36) inhibitor mefloquine at postnatal day (P)1-P3 or at P40-P42. Rotarod, grip traction, and foot fault tests were carried out to evaluate the motor behavior of adult offspring. Injection of IL-6 led to an elevation of the core temperature in the pregnant dams. Offspring of these dams showed significantly increased COX-2 and iNOS mRNA expression and protein levels in the whole-brain samples and significantly increased Cx36 in the cerebellum. Moreover, offspring of these dams showed motor deficits at an adult age. Neonatal administration of the Cx36 inhibitor mefloquine could prevent these motor deficits. Maternal fever during pregnancy induced by IL-6 injection could lead to neuroinflammation and motor deficits in the offspring. Neonatal inhibition of Cx36 could ameliorate the motor deficits in the offspring, indicating an involvement of Cx36 in the IL-6-induced maternal fever.
journal_name
Dev Neuroscijournal_title
Developmental neuroscienceauthors
Wang R,Yang Y,Xiao M,Guo B,Liu W,Wang Hdoi
10.1159/000499735subject
Has Abstractpub_date
2019-01-01 00:00:00pages
94-101issue
1-2eissn
0378-5866issn
1421-9859pii
000499735journal_volume
41pub_type
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