How a gene-pausing step shapes final red blood cell development
Investigation into the function of RNA polymerase II promoter proximal pausing during terminal erythroid maturation
This work looks at how a key molecular pause in gene activity helps the last stages of red blood cell formation, which could matter for people with anemia.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Rochester NIH-funded |
| Lab location | 1 site (Rochester, United States) |
| Project ID | NIH-11352540 on NIH RePORTER |
What this research studies
From a patient's view, scientists are examining a control step in gene activity called RNAPII pausing that helps immature red blood cells finish developing. They focus on a regulator protein called HEXIM1 and how it controls release of the pause to turn genes on at the right time. The team will use lab models and human-relevant samples to map where pause release happens, change HEXIM1 or its partners, and measure effects on cell cycle and red blood cell gene programs. Results will connect molecular mechanisms to how well red blood cells are produced and function.
Who could benefit from this research
Good fit: Ideal participants would be adults (21+) with anemia or related red blood cell disorders, or healthy adult donors willing to provide blood or tissue samples for research.
Not a fit: People whose anemia is caused primarily by non-erythroid problems (for example, purely hormonal or chronic kidney causes) or children would be unlikely to see direct benefit from this basic laboratory-focused work in the short term.
Why it matters
Potential benefit: If successful, this work could point to new molecular targets to boost red blood cell production and lead to therapies for some types of anemia.
How similar studies have performed: Prior laboratory studies have shown HEXIM1 and RNAPII pausing affect erythroid gene expression, but translating these molecular findings into clinical treatments is still largely untested.
Where this research is happening
Rochester, United States
- University of Rochester — Rochester, United States (Active)
Researchers
- Principal investigator: Steiner, Laurie a. — University of Rochester
- Study coordinator: Steiner, Laurie a.
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 below.