Microengineered human blood vessels for next generation drug discovery

Junaid, A.O.

Heart failure is a major health care problem with high mortality. Although advances have been made in treatment of patients suffering from heart failure with reduced ejection fraction, this is not true for patients suffering from heart failure with preserved ejection fraction. The mechanism underlying heart failure with preserved ejection fraction is still unclear. Recent evidence suggests that factors circulating in blood might have an effect on the microvessels, including those in the heart. To diagnose and treat microvascular diseases, we aim to explore the association of circulating plasma factors with microvascular integrity. As current human 2D models with cultured endothelial cells lack sufficient complexity to assess the function of microvascular endothelial-pericyte interactions, research on microvascular loss largely depends on animal models. To mimic the microarchitecture and functions of the human blood vessel in a more efficient way for drug discovery, we developed...Show moreHeart failure is a major health care problem with high mortality. Although advances have been made in treatment of patients suffering from heart failure with reduced ejection fraction, this is not true for patients suffering from heart failure with preserved ejection fraction. The mechanism underlying heart failure with preserved ejection fraction is still unclear. Recent evidence suggests that factors circulating in blood might have an effect on the microvessels, including those in the heart. To diagnose and treat microvascular diseases, we aim to explore the association of circulating plasma factors with microvascular integrity. As current human 2D models with cultured endothelial cells lack sufficient complexity to assess the function of microvascular endothelial-pericyte interactions, research on microvascular loss largely depends on animal models. To mimic the microarchitecture and functions of the human blood vessel in a more efficient way for drug discovery, we developed the microvessel-on-a-chip. This system allowed us to screen microvascular destabilization factors in blood and study the efficacy of potential drugs for microvascular diseases. In conclusion, our platform may serve as a unique tool for microvascular destabilization studies as well as for the development of novel therapeutic strategies to combat microvascular complications.
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Microengineered human blood vessels for next generation drug discovery

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