Understanding how diabetes affects erectile function
Official title: LRRC8 anion channels, superoxide and RhoA in diabetic erectile dysfunction
Funded at University of South Carolina at Columbia · NIH-11091523 · Data updated 2026-11-12
This research explores how certain cell signals contribute to erectile dysfunction in people with diabetes.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of South Carolina at Columbia NIH-funded |
| Lab location | 1 site (Columbia, United States) |
| Project start | May 1, 2022 |
| Project end | April 30, 2027 |
| Funding year | 2025 |
| Award (this year) | $677,919 |
| NIH project number | 5R01DK132948-04 |
| Project ID | NIH-11091523 on NIH RePORTER |
Who could benefit from this research
✓Could help
Patients experiencing erectile dysfunction as a complication of diabetes may ultimately benefit from this foundational research.
✕Less likely to help
Patients whose erectile dysfunction is not related to diabetes or the specific cellular pathways being studied may not directly benefit from this particular research.
What this research studies
Erectile dysfunction (ED) is a common issue for individuals with diabetes, often linked to heart health. This project focuses on how high blood sugar and inflammation in diabetes lead to harmful molecules called reactive oxygen species (ROS) in blood vessels. These ROS can cause the blood vessels in the penis to constrict too much, making it difficult to achieve an erection. We are looking closely at specific cell pathways, involving proteins like LRRC8 and RhoA, that are overactive in diabetes and contribute to this constriction. By understanding these pathways, we hope to find new ways to help improve erectile function.
Why it matters
Potential benefit: If successful, this work could lead to new treatments that specifically target the underlying causes of erectile dysfunction in diabetic patients.
How similar studies have gone: While the specific interaction between LRRC8, superoxide, and RhoA in diabetic ED is a novel focus, previous research has established links between diabetes, oxidative stress, and vascular dysfunction in ED.
Where this research is happening
-
University of South Carolina at Columbia
Columbia, United States Active
Researchers
- Principal investigator: Webb, R Clinton — University of South Carolina at Columbia
- Study coordinator: Webb, R Clinton
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.