ArticleInternational journal of ophthalmology2025
Developmental properties of parvalbumin-positive gamma-aminobutyric acid interneurons and the effect of fluoxetine treatment and binocular form deprivation on them in the visual cortex of adult rats.
Article in International journal of ophthalmology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
aimTo investigate the postnatal development of parvalbumin (PV)-positive gamma-aminobutyric acid (GABA) interneurons and the co-expression of perineuronal nets (PNNs) and PV in the visual cortex of rats, as well as the regulatory effects of fluoxetine (FLX) treatment and binocular form deprivation (BFD) on these indices.
methodsWistar rats were assigned to three experimental cohorts: 1) Age-related groups: postnatal week (PW) 1, PW3, PW5, PW7, and PW9; 2) FLX treatment duration groups: FLX 0W, FLX 2W, FLX 4W, FLX 6W, and FLX 8W; 3) Intervention groups: control (Cont), FLX, BFD, and BFD+FLX. The levels of PNNs, PV, and PNNs/PV co-expression in the visual cortex were detected and analyzed.
resultsThe density of PV-positive cells and the co-expression of PNNs and PV increased gradually with the maturation of the visual cortex (b=0.960,
conclusionThe number of PV-positive neurons and PNNs-surrounded PV neurons in the rat visual cortex increases postnatally and reaches adult levels by postnatal week 7. Chronic FLX treatment downregulates these expressions. Combined 4-week FLX treatment and BFD exerts a more significant inhibitory effect on the PNNs
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