Altered Nurr1 Protein Expression in the Hippocampal CA1 Region Following Transient Global Cerebral Ischemia

Overview

Journal Mol Med Rep

Specialty Molecular Biology

Date 2019 Nov 21

PMID 31746417

Citations 2

Authors

Joon Ha Park

Ji Hyeon Ahn

Dae Won Kim

Tae-Kyeong Lee

Cheol Woo Park

Young Eun Park

Jae-Chul Lee

Hyang-Ah Lee

Go Eun Yang

Moo-Ho Won

Choong-Hyun Lee

Affiliations

Soon will be listed here.

Abstract

Nuclear receptor related 1 protein (Nurr1), a member of the nuclear receptor 4 family of orphan nuclear receptors, has been reported to display anti‑inflammatory properties. The present study investigated the alteration of Nurr1 immunoreactivity in the gerbil hippocampus proper following 5 min of transient global cerebral ischemia. In sham operated gerbils, Nurr1 immunoreactivity was observed in pyramidal neurons in all cornu ammonis 1‑3 (CA1‑3) subfields of the hippocampus proper. In ischemia‑operated gerbils, Nurr1 immunoreactivity was altered in the CA1 subfield. Nurr1 immunoreactivity in CA1 pyramidal neurons gradually decreased until 2 days post‑ischemia, and, at 4 days post‑ischemia, Nurr1 immunoreactivity was concentrated in CA1 pyramidal neurons. Additionally, Nurr1 immunoreactivity was newly expressed in microglia in the CA1 subfield at 4 days post‑ischemia. Conversely, in the CA2/3 subfield, time‑dependent alteration of Nurr1 immunoreactivity was not identified at any time following ischemia. These results indicated that the alteration of Nurr1 expression in the CA1 subfield in the hippocampus may be associated with the death of CA1 pyramidal neurons.

Citing Articles

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