Dr. Michael Hill: A Pioneer in Vascular Research
Dr. Michael Hill has dedicated his career to uncovering the mysteries of small blood vessels and their mechanical properties, focusing on how these properties influence vascular function and overall health. His research is particularly vital for understanding the "myogenic response," a mechanism by which blood vessels react to pressure changes, and its implications for conditions such as diabetes and vascular stiffness.
Inspiration & Research Impact
Dr. Hill's inspiration to study the mechanical properties of small blood vessels stems from his desire to understand how blood flow is regulated, especially in diabetic patients. His research sheds light on how blood vessels respond to mechanical stimuli and how these responses affect vascular health. By studying the myogenic response, Dr. Hill aims to develop better treatments for diabetes and arterial stiffening, a common issue that can lead to severe health complications.
Dr. Hill's work significantly advances the scientific community's understanding of vessel function, particularly the relationship between tension, pressure, and vessel diameter. This knowledge is crucial for developing strategies to treat arterial stiffening, which can have widespread health benefits. By improving our understanding of how blood vessels function and respond to mechanical stress, Dr. Hill's research holds promise for creating more effective treatments for cardiovascular diseases.
Exciting Projects & Discoveries
Throughout his research, Dr. Hill has encountered several unexpected findings. One of the most surprising was the variation between arteries within different vascular beds. His studies revealed that a 100-micrometer vessel does not function the same across various parts of the body. For example, skeletal muscle arteries and mesenteric arteries have elaborate protein structures on their exteriors, which can significantly impact their function.
In contrast, cerebral arteries, protected within the skull and subjected to less external forces, lack these protein structures. These insights were made possible through advanced confocal imaging and myograph force measurement experiments.
One of the most recent and exciting projects in Dr. Hill's lab involves research conducted by Dr. Luke Sun, a member of his team. Dr. Sun's work on cerebral vessels has shown that these cells within these vessels quickly remodel in response to pressure changes by changing the distribution of contractile proteins and adhesion molecules, a discovery that has already resulted in a published paper. This project exemplifies the innovative and impactful research taking place under Dr. Hill's guidance.
A Message for Aspiring Researchers
In his time as a researcher and in related roles such as associate editor for the journal Metabolism, Clinical and Experimental, Dr. Hill has worked with many up and coming researchers looking to make their mark in the cardiovascular field and offers invaluable advice: never give up. Rejected grants and publications are part of the journey, and it's crucial to listen to feedback and build on it.
He encourages young researchers to publish their findings and write grants to establish their presence in the scientific community.
Dr. Michael Hill's contributions to vascular research are invaluable, providing insights that have the potential to improve societal cardiovascular health. His dedication and innovative approach has allowed for collaboration with researchers worldwide, exemplifying the impact that persistence and passion can have in the scientific community. These qualities are evident in his words: "It's the only career where you get paid to be a treasure hunter."
Featured Profile: Dr. Michael A. Hill
Dr. Michael Hill is a professor of medical pharmacology and physiology in the University of Missouri’s School of Medicine and interim director of Dalton Cardiovascular Research Center.
Hill is a member of the Microcirculatory Society, the American Physiological Society and numerous other professional societies. He has won formal recognitions for his work including a Fulbright Fellowship and an NIH FIRST Award. Hill also serves on several editorial boards and is associate editor of Frontiers in Vascular Physiology, a title he has held since 2010.