ArticleCirculation research2012
Revascularization of ischemic skeletal muscle by estrogen-related receptor-γ.
Article in Circulation research, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 34 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
34 citing papers in PubMed, 54 citations in OpenAlex.
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- Exercise and Ischemia-Activated Pathways in Limb Muscle Angiogenesis and Vascular Regeneration.Methodist DeBakey cardiovascular journal · 2023Review
- ZNF667 facilitates angiogenesis after myocardial ischemia through transcriptional regulation of VASH1 and Wnt signaling pathway.International journal of molecular medicine · 2022Article
- Estrogen-related receptor alpha is an AMPK-regulated factor that promotes ischemic muscle revascularization and recovery in diet-induced obese mice.FASEB bioAdvances · 2022Article
- VEGF alleviates lower limb ischemia in diabetic mice by altering muscle fiber types.Experimental and therapeutic medicine · 2022Article
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- Exercise-induced angiogenesis is dependent on metabolically primed ATF3/4Cell metabolism · 2021Article
- Estrogen-related receptor α is involved in angiogenesis and skeletal muscle revascularization in hindlimb ischemia.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2021Article
Corrections and comments
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- Erratum issued
Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
rationaleOxidative myofibers in the skeletal muscles express high levels of angiogenic factors, have dense vasculature, and promptly revascularize during ischemia. Estrogen-related receptor-gamma (ERRγ) activates genes that govern metabolic and vascular features typical to oxidative myofibers. Therefore, ERRγ-dependent remodeling of the myofibers may promote neoangiogenesis and restoration of blood perfusion in skeletal muscle ischemia.
objectiveTo investigate the muscle fiber type remodeling by ERRγ and its role in the vascular recovery of ischemic muscle. METHODS AND
resultsUsing immunohistology, we show that skeletal muscle-specific transgenic overexpression of ERRγ increases the proportions of oxidative and densely vascularized type IIA and IIX myofibers and decreases glycolytic and less vascularized type IIB myofibers. This myofiber remodeling results in a higher basal blood flow in the transgenic skeletal muscle. By applying unilateral hind limb ischemia to transgenic and wild-type mice, we found accelerated revascularization (fluorescent microangiography), restoration of blood perfusion (laser Doppler flowmetry), and muscle repair (Evans blue dye exclusion) in transgenic compared to wild-type ischemic muscles. This ameliorative effect is linked to enhanced neoangiogenesis (CD31 staining and microfil perfusion) by ERRγ. Using cultured muscle cells in which ERRγ is inactivated, we show that the receptor is dispensable for the classical hypoxic response of transcriptional upregulation and secretion of vascular endothelial growth factor A. Rather, the ameliorative effect of ERRγ is linked to the receptor-mediated increase in oxidative myofibers that inherently express and secrete high levels of angiogenic factors.
conclusionsThe ERRγ is a hypoxia-independent inducer of neoangiogenesis that can promote reparative revascularization.
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