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Monday, January 22, 2018

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UTSA Engineers Win $1.8 Million from National Institutes of Health to Research Curling of Arteries

April, 2010

Research could advance preventative treatments for varicose veins and twisted arteries


(April 7, 2010) … A team of researchers including Associate Professors of Mechanical Engineering Hai-Chao Han and Yusheng Feng at The University of Texas at San Antonio and Associate Professor Merry Lindsey at The University of Texas Health Science Center at San Antonio has received a five-year, $1.8 million RO1 grant from the National Institutes of Health to study the causes of arterial tortuosity, also known as artery twisting or curling.

            The research will eventually lead to treatments for varicose veins and twisted arteries.  Varicose veins affect 25 million Americans, and nearly half of all women, according to the National Institutes of Health.  Twisted arteries are associated with atherosclerosis which occurs when fatty tissue deposits cause hardened arteries and leads to coronary heart disease, the leading cause of death in the U.S. according the American Heart Association.

In collaboration with researchers at The University of Texas Health Science Center at San Antonio and Georgia Tech, Han’s team will research and model how blood flow and pressure changes in the body contribute to arterial curling.  Moreover, they will observe, quantify and model how an artery’s cells and wall adapt to its new buckled state.

            The NIH’s RO1 awards are reserved for proposals that present significant background research, making funding very difficult to win.  Han is grateful for the help from his colleagues and staff. He is particularly proud of his student researchers who contributed to the baseline research reported in the proposal.  They include undergraduate engineering major Cesar Fierro, Shawn Lamm, Rick Martinez, engineering graduate students Parag Datir and Yang Zhao, and biomedical engineering doctoral students Yong-Ung Lee, Avione Northcutt and Justin Garcia.

“I have been very fortunate to have a good group of students in my laboratory from year to year,” says Han.  “Both my undergraduates and my graduate students have made significant contributions to our laboratory’s overall understanding of artery tortuosity.  They are to be commended for their work and should be very proud our laboratory has received this funding.”

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The University of Texas at San Antonio is one of the fastest growing higher education institutions in Texas and the second largest of nine academic universities and six health institutions in the UT System.  As a multicultural institution of access and excellence, UTSA aims to be a national research university providing access to educational excellence and preparing citizen leaders for the global environment.


                UTSA serves nearly 29,000 students in 64 bachelor’s, 48 master’s and 21 doctoral degree programs in the colleges of Architecture, Business, Education and Human Development, Engineering, Honors, Liberal and Fine Arts, Public Policy, Sciences and Graduate School.  Founded in 1969, UTSA is an intellectual and creative resource center and a socioeconomic development catalyst for Texas and beyond.  More information online at


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