Cardiovascular scientist. Just personal opinions; no official positions/endorsements.

Joined April 2009
45 Photos and videos
Professor Guyton built his career on feedback control, so consider this our (slightly delayed) feedback: Dr. Helen Collins winning the 2026 Arthur C. Guyton Award is exactly the equilibrium the field should settle into. Congratulations, Helen! đŸ«€
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Latest from the Wysoczynski lab! In Experimental Hematology, Stephan et al. show that after MI, SiglecFâș neutrophils arise locally in the heart—not from immature cells, but from mature CD101âș neutrophils.
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Several of the faculty and trainees from the center presented their latest cutting edge cardiovascular research at last weeks International Society for Heart Research-North American section meeting in Minnesota. It was a great meeting for all.
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Huge congratulations to Dr. Benjamin Doelling (pictured) on defending his PhD today! His work shows that restoring cardiac carnosine levels in heart failure reduces chronic cardiac inflammation and rescues cardiac function. We are proud of you and your accomplishments.
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Steve Jones retweeted
Honored to have been chosen as the 2026 Arthur C. Guyton Distinguished Visiting Professor in Physiology & Biophysics at @UMMCnews. Below, joining me in flanking the iconic portrait of Guyton, are George Souza, my gracious host John Hall & Ana Omoto.
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Rounding out the CCS presentations, Dr. Helen Collins will present in the Women's Cardiovascular Health Session in the Nicollet D room at 8 am on June 3. She will discuss recent findings from the lab examining Remodeling in the Female Heart in response to Pathological Stress.
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First, Bradford Hill (pictured) will discuss recent findings from his lab examining the metabolic control of myocardial perfusion in exercise and aging.
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Making your list of posters to visit at ISHR-NAS on Monday, June 1? Avery Kendall (pictured), an MEng Student in the laboratory of Dr. Helen Collins, will present her on changes in the maternal cardiac extracellular matrix during pregnancy and the postpartum period (Poster #155).
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First, we have Yu “Nancy” Tian (pictured), a PhD student in the Gibb Lab, who will present her master’s thesis work titled “Mitochondrial-to-cytosolic metabolic communication is required for myofibroblast formation via the malate-aspartate shuttle”. Stop by to see her poster #64
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Rounding out poster session 2 at ISHR-NAS, Nora Anderson, from the laboratory of Dr. Helen Collins, will present on the "Impact of Extrinsic Sleep Disruption During Pregnancy and the Postpartum Period on Systemic and Cardiovascular Adaptations.
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Next in poster session 2 on Tuesday, June 2nd at ISHR-NAS, Ryli Bulla (pictured), an undergraduate researcher in the Gibb Lab, will be presenting her work titled “Acute exercise diminishes glutamine synthetase activity in the heart”. Stop by to see her poster #152
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Planning your agenda for Tuesday, June 2 at ISHR-NAS? Steven Jones (pictured) kicks off Session 11: Fibroblasts/ Fibrosis at 11:30 am in the lakeshore room, where he will discuss recent work from his laboratory examining post-myocardial infarction ventricular remodeling.
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Steve Jones retweeted
Interested in how the immune system contributes to heart disease? Register now for an exciting webinar from 2 leading experts in the field!!! Details below and don't miss out on hearing the latest and greatest in immune regulation of heart failure. @AHAScience @BCVSearlyCareer
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Congratulations to Dr. Jonah Stephan on defending his PhD yesterday!  His dissertation on emergency granulopoiesis and wound healing after myocardial infarction is exactly the kind of mechanistic work that advances the field. We are proud that he trained in the Center.
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We are excited to host Dr. Loren Wold (pictured) from The Ohio State University, a leading expert on cardiac physiology and environmental toxicology, for today’s Environmental Medicine Grand Rounds.
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Steve Jones retweeted
I am incredibly thankful to be honored by the American Physiology Society in the name of Dr. Guyton. Extremely thankful to my mentors at at UofL SOM, the Envirome Institute, and the Center for Cardiometabolic Science (and beyond) for supporting my laboratory and career. Special thanks to Steven Jones, Bradford Hill, and Merry Lindsey for believing in me especially when I didn’t necessarily believe in myself, and for wholeheartedly supporting me. Now I better get to work and continue the marathon.
Dr. Helen E. Collins is redefining what we understand women’s health by looking beyond the heart to the whole person. She was recently named the 2026 Arthur C. Guyton Award recipient. Her work is advancing more proactive, connected approaches to care. ow.ly/IfrE50YStSf
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Steve Jones retweeted
🔔ATTENTION🔔. There is still time to join us in Minneapolis, MN for the 2026 International Society for Heart Research Conference! This premier event has been one of my favorite conferences as both a trainee and now faculty. Hope to see you there! ishrnorthamerican.org/meetin

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It is a great pleasure to introduce Dr. Caitlin Howard—AHA Predoctoral Fellow, macrophage mechanist, and incoming Northwestern postdoc with Prof. Elizabeth McNally. Dr. Howard (pictured) recently defended her PhD. Congratulations! #NewPhD #CardioTwitter #WomenInScience
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For those that do not get to attend Ilaria Ferrari's or Caitlin Wilkerson's talks, or those wishing to learn more about the research they are both doing in the Center, both Trainees of the Jones Lab will be presenting posters in the Friday evening poster session at the #APSSummit
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Headed to #APSsummit this week? Interested in cardiometabolic health and disease? The Center has several Trainee presentations that you should check out.
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