Biological Regulation of HIF-1α and Its Role in Therapeutic Angiogenesis for Treatment of Ischemic Cardiovascular Disease

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Hypoxia, characterized by insufficient oxygen saturation, triggers a wide array of vascular responses aimed at enhancing cell survival and proliferation. This process is primarily driven by the activation of oxygen-sensing hypoxia-inducible factors (HIFs). HIF-1α, a key mediator in this context, plays a crucial role in vascular restructuring in response to low oxygen tension and oxygen-independent signaling pathways, making it a promising therapeutic target for ischemic cardiovascular diseases such as peripheral artery disease and coronary artery disease. In this review, we explore both oxygen-dependent and oxygen-independent mechanisms of HIF-1α regulation, the role of the HIF protein family in vessel collateralization, and translational efforts to leverage HIF-1α's pivotal role in hypoxia signaling for the development of clinical treatments for ischemic cardiovascular disease.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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