Time-dependent profiles of microRNA expression induced by ischemic preconditioning in the gerbil hippocampus

Miao Sun, Toru Yamashita, Jingwei Shang, Ning Liu, Kentaro Deguchi, Juan Feng, Koji Abe

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

MicroRNAs (miRNAs) are critically important in both normal neuronal development and neurological diseases. Although cerebral ischemia has been shown to alter the miRNA profiles of rats, the role of miRNA in the cornu ammonis 1 region of the gerbil hippocampus under ischemic tolerance has not been studied. In the present study, Mongolian gerbils were subjected to one or three times the nonlethal dose of 2-min transient common carotid artery occlusion (tCCAO). miRNA microarray technology detected 251 miRNAs and the expression of seven of these in terms of ischemic tolerance. They were compared at different time points: 1 day, 7 days, 1 month, and 6 months. mmu-miR-15a-5p, related to neurogenesis, showed increased expression after one dose of 2-min tCCAO and was much higher after three doses. An increase in sha-miR-24 and oan-let-7b-3p, related to transactivation response DNA-binding protein (TDP43), was observed after one dose of 2-min tCCAO, but the peak was accelerated to an earlier period of reperfusion after three doses. In contrast, mmu-miR-125b-5p and mmu-miR-132-5p, related to fused in sarcoma/translocated in liposarcoma (FUS/TLS), showed similar increases at both doses. mmu-miR-181c-5p and mmu-miR-378a-5p, related to heat shock protein 70 (HSP70), also showed accelerated expression after three doses. This data set provides new insight about miRNA expression during neurogenesis, and related to TDP43, FUS/TLS, and HSP70, which may be useful when pursuing further studies on the possible use of miRNAs as biomarkers in cerebral ischemic tolerance and neuroregeneration.

Original languageEnglish
Pages (from-to)367-376
Number of pages10
JournalCell Transplantation
Volume24
Issue number3
DOIs
Publication statusPublished - 2015

Fingerprint

Ischemic Preconditioning
Gerbillinae
MicroRNAs
Hippocampus
Common Carotid Artery
Proteins
Liposarcoma
Biomarkers
Microarrays
HSP70 Heat-Shock Proteins
Neurogenesis
Rats
Sarcoma
DNA
DNA-Binding Proteins
Brain Ischemia
Transcriptional Activation
Reperfusion
Hot Temperature
Technology

Keywords

  • Cornu ammonis 1 (CA1)
  • Gerbil
  • Ischemic preconditioning
  • MicroRNA (miRNA)

ASJC Scopus subject areas

  • Cell Biology
  • Transplantation
  • Biomedical Engineering
  • Medicine(all)

Cite this

Time-dependent profiles of microRNA expression induced by ischemic preconditioning in the gerbil hippocampus. / Sun, Miao; Yamashita, Toru; Shang, Jingwei; Liu, Ning; Deguchi, Kentaro; Feng, Juan; Abe, Koji.

In: Cell Transplantation, Vol. 24, No. 3, 2015, p. 367-376.

Research output: Contribution to journalArticle

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AU - Feng, Juan

AU - Abe, Koji

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