» Articles » PMID: 33716719

The Association of Suppressed Hypoxia-Inducible Factor-1 Transactivation of Angiogenesis With Defective Recovery From Cerebral Ischemic Injury in Aged Rats

Overview
Specialty Geriatrics
Date 2021 Mar 15
PMID 33716719
Citations 10
Authors
Affiliations
Soon will be listed here.
Abstract

Elderly patients suffer more brain damage in comparison with young patients from the same ischemic stroke. The present study was undertaken to test the hypothesis that suppressed hypoxia-inducible factor-1 (HIF-1) transcription activity is responsible for defective recovery after ischemic stroke in the elders. Aged and young rats underwent 1-h transient middle cerebral artery occlusion (MCAO) to produce cerebral ischemic injury. The initial cerebral infarct volume in the young gradually declined as time elapsed, but in the aged rats remained the same. The defective recovery in the aged was associated with depressed angiogenesis and retarded neurorestoration. There was no difference in HIF-1α accumulation in the brain between the two age groups, but the expression of HIF-1 regulated genes involved in cerebral recovery was suppressed in the aged. In confirmation, inhibition of HIF-1 transactivation of gene expression in the young suppressed cerebral recovery from MCAO as the same as that observed in the aged rats. Furthermore, a copper metabolism MURR domain 1 (COMMD1) was significantly elevated after MCAO only in the brain of aged rats, and suppression of COMMD1 by siRNA targeting COMMD1 restored HIF-1 transactivation and improved recovery from MCAO-induced damage in the aged brain. These results demonstrate that impaired HIF-1 transcription activity, due at least partially to overexpression of COMMD1, is associated with the defective cerebral recovery from ischemic stroke in the aged rats.

Citing Articles

A novel PDHK inhibitor restored cognitive dysfunction and limited neurodegeneration without affecting amyloid pathology in 5xFAD mouse, a model of Alzheimer's disease.

Sakimura K, Kawai T, Nashida R, Ishida Y, Harada K, Suzuki T Alzheimers Res Ther. 2024; 16(1):197.

PMID: 39238036 PMC: 11376040. DOI: 10.1186/s13195-024-01552-2.


Sleep fragmentation exacerbates myocardial ischemia‒reperfusion injury by promoting copper overload in cardiomyocytes.

Chen N, Guo L, Wang L, Dai S, Zhu X, Wang E Nat Commun. 2024; 15(1):3834.

PMID: 38714741 PMC: 11076509. DOI: 10.1038/s41467-024-48227-y.


Role of hypoxia-inducible factor in postoperative delirium of aged patients: A review.

Shen H, Yang J, Chen X, Gao Y, He B Medicine (Baltimore). 2023; 102(39):e35441.

PMID: 37773821 PMC: 10545271. DOI: 10.1097/MD.0000000000035441.


Age-Related Alterations in Immune Function and Inflammation: Focus on Ischemic Stroke.

Chen Q, Wu M, Tang Q, Yan P, Zhu L Aging Dis. 2023; 15(3):1046-1074.

PMID: 37728582 PMC: 11081165. DOI: 10.14336/AD.2023.0721-1.


Dexmedetomidine enables copper homeostasis in cerebral ischemia/reperfusion via ferredoxin 1.

Guo Q, Ma M, Yu H, Han Y, Zhang D Ann Med. 2023; 55(1):2209735.

PMID: 37162502 PMC: 10173798. DOI: 10.1080/07853890.2023.2209735.


References
1.
Riera-Romo M . COMMD1: A Multifunctional Regulatory Protein. J Cell Biochem. 2017; 119(1):34-51. DOI: 10.1002/jcb.26151. View

2.
Ciobanu O, Sandu R, Balseanu A, Zavaleanu A, Gresita A, Petcu E . Caloric restriction stabilizes body weight and accelerates behavioral recovery in aged rats after focal ischemia. Aging Cell. 2017; 16(6):1394-1403. PMC: 5676058. DOI: 10.1111/acel.12678. View

3.
Sorond F, Tan C, LaRose S, Monk A, Fichorova R, Ryan S . Deferoxamine, Cerebrovascular Hemodynamics, and Vascular Aging: Potential Role for Hypoxia-Inducible Transcription Factor-1-Regulated Pathways. Stroke. 2015; 46(9):2576-83. PMC: 4551113. DOI: 10.1161/STROKEAHA.115.009906. View

4.
Reischl S, Li L, Walkinshaw G, Flippin L, Marti H, Kunze R . Inhibition of HIF prolyl-4-hydroxylases by FG-4497 reduces brain tissue injury and edema formation during ischemic stroke. PLoS One. 2014; 9(1):e84767. PMC: 3883663. DOI: 10.1371/journal.pone.0084767. View

5.
Wiener C, Booth G, Semenza G . In vivo expression of mRNAs encoding hypoxia-inducible factor 1. Biochem Biophys Res Commun. 1996; 225(2):485-8. DOI: 10.1006/bbrc.1996.1199. View