Pharmacological HIF inhibition prevents retinal neovascularization with improved visual function in a murine oxygen-induced retinopathy model

Yukihiro Miwa, Yusuke Hoshino, Chiho Shoda, Xiaoyan Jiang, Kazuo Tsubota, Toshihide Kurihara

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Neovascular retinal diseases are the leading causes of blindness in advanced countries. To date, anti-VEGF (vascular endothelial growth factor) drugs are clinically effective and widely used for these diseases. However, recent animal and clinical studies reported that potent and long-term VEGF antagonism may induce chorioretinal atrophy. Thus, physiological amount of VEGF is required for the homeostasis in the retina. Hypoxia-inducible factors (HIFs) are transcription factors located upstream of VEGF. We hypothesized that ectopically stabilized HIFs induce pathological amount of VEGF involved with retinal neovascularization. Therefore, HIF inhibition could be an alternative therapeutic candidate targeting the pathological amount of VEGF while holding a physiological amount of VEGF. To test this hypothesis, topotecan and doxorubicin, HIF inhibitors with different mechanisms were administered to the murine oxygen-induced retinopathy (OIR) model. We found that both topotecan and doxorubicin significantly prevented pathological but not physiological neovascularization in OIR. Furthermore, impaired visual function observed in OIR can also be suppressed by administering topotecan. These data suggested that HIF inhibition may be effective for pathological angiogenesis and neurodegeneration of the retina.

Original languageEnglish
Pages (from-to)21-31
Number of pages11
JournalNeurochemistry International
Volume128
DOIs
Publication statusPublished - 2019 Sep 1

Fingerprint

Retinal Neovascularization
Vascular Endothelial Growth Factor A
Pharmacology
Oxygen
Topotecan
Doxorubicin
Retina
Physiologic Neovascularization
Pathologic Neovascularization
Retinal Diseases
Hypoxia
Blindness
Atrophy
Homeostasis
Transcription Factors

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience
  • Cell Biology

Cite this

Pharmacological HIF inhibition prevents retinal neovascularization with improved visual function in a murine oxygen-induced retinopathy model. / Miwa, Yukihiro; Hoshino, Yusuke; Shoda, Chiho; Jiang, Xiaoyan; Tsubota, Kazuo; Kurihara, Toshihide.

In: Neurochemistry International, Vol. 128, 01.09.2019, p. 21-31.

Research output: Contribution to journalArticle

Miwa, Yukihiro ; Hoshino, Yusuke ; Shoda, Chiho ; Jiang, Xiaoyan ; Tsubota, Kazuo ; Kurihara, Toshihide. / Pharmacological HIF inhibition prevents retinal neovascularization with improved visual function in a murine oxygen-induced retinopathy model. In: Neurochemistry International. 2019 ; Vol. 128. pp. 21-31.
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