ArticleBrain structure & function2021
Neonatal proinflammatory challenge evokes a microglial response and affects the ratio between subtypes of GABAergic interneurons in the hippocampus of juvenile rats: sex-dependent and sex-independent effects.
Article in Brain structure & function, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 7 citations in OpenAlex.
- Early Life Events and Maturation of the Dentate Gyrus: Implications for Neurons and Glial Cells.International journal of molecular sciences · 2022Review
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8 authors at 1 institution in 1 country.
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Abstract
Neonatal proinflammatory challenge (NPC) may contribute to the development of psychiatric disorders in adults. A double exposure of neonatal rats to lipopolysaccharide, a component of cellular wall of gram-negative bacteria, on postnatal days 3 and 5 provokes the development of depressive- and anxiety-like behaviors. NPC impairs neuroplasticity and cognition in adult animals, significant modifications of neuroplasticity being evident even in adolescence. We studied effects of NPC on microglia and GABAergic neuronal population of the dorsal hippocampus in juvenile male and female rats using immunofluorescent histochemistry. The expression of glutamic acid decarboxylase-67 (GAD67) and calcium-binding proteins calretinin, calbindin, and parvalbumin were used as quantitative markers of GABAergic interneurons and their specific subpopulations, respectively. NPC induced changes of microglial morphology indicating inflammatory activation mostly expressed in CA3 field; the effect was similar in males and females. The number of GAD67 expressing neurons was similar in the dorsal hippocampus of females and males independently on the NPC. The portion of calbindin-immunoreactive GAD67-positive neurons significantly increased while the portion of calretinin-immunoreactive GAD67-positive neurons significantly decreased in the CA1 field of rats exposed to NPC independently on their sex. NPC did not affect the parvalbumin-positive subpopulation of GABAergic neurons in the hippocampus of rats of either sex. These data suggest that NPC-induced modification of GABAergic neuronal population composition under the proinflammatory conditions is involved in the maintenance of excitation/inhibition homeostatic balance in the hippocampus.
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