How a part of the GATA1 protein affects red blood cell development
The role of the N-terminus of GATA1 in erythropoiesis
['FUNDING_R01'] · ST. JUDE CHILDREN'S RESEARCH HOSPITAL · NIH-11164796
This work looks at how missing the front part of the GATA1 protein changes red blood cell formation and may help people with inherited anemias like Diamond-Blackfan anemia.
Quick facts
| Phase | ['FUNDING_R01'] |
|---|---|
| Study type | Nih_funding |
| Sex | All |
| Sponsor | ST. JUDE CHILDREN'S RESEARCH HOSPITAL (nih funded) |
| Locations | 1 site (MEMPHIS, UNITED STATES) |
| Trial ID | NIH-11164796 on ClinicalTrials.gov |
What this research studies
Researchers use mouse models that carry the same GATA1 change seen in some people and study developing blood cells to see where development goes off track. They compare the normal GATA1 protein with the shortened form (GATA1s) at the single-cell level to observe gene activity and cell states. The team also examines how GATA1s interacts with chromatin and chromatin-remodeling complexes (like SWI/SNF and NuRD) and looks at changes in histone modifications and accessibility. Together these lab and genomic approaches aim to reveal molecular steps that fail when the N-terminal part is missing.
Who could benefit from this research
Good fit: People with inherited red blood cell disorders linked to GATA1 mutations, Diamond-Blackfan anemia, or families interested in genetic causes of anemia would be most relevant to this work.
Not a fit: Patients with anemia caused by unrelated factors such as iron deficiency, chronic kidney disease, or other non-genetic causes are unlikely to see direct benefit.
Why it matters
Potential benefit: If successful, this could point to molecular targets or strategies to restore normal red blood cell production in some inherited anemias.
How similar studies have performed: Prior lab and mouse studies have shown that the GATA1-short form causes anemia and altered gene expression, but connecting the missing N-terminus to specific chromatin regulators and therapeutic approaches is still emerging.
Where this research is happening
MEMPHIS, UNITED STATES
- ST. JUDE CHILDREN'S RESEARCH HOSPITAL — MEMPHIS, UNITED STATES (ACTIVE)
Researchers
- Principal investigator: CRISPINO, JOHN D — ST. JUDE CHILDREN'S RESEARCH HOSPITAL
- Study coordinator: CRISPINO, JOHN D
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.