How red blood cells develop
Transcriptional Networks Controlling Erythroid Differentiation
['FUNDING_R01'] · CHILDREN'S HOSP OF PHILADELPHIA · NIH-11323082
This research looks at how proteins that fold DNA help immature red blood cells switch on genes for healthy hemoglobin, which could help people with blood disorders.
Quick facts
| Phase | ['FUNDING_R01'] |
|---|---|
| Study type | Nih_funding |
| Sex | All |
| Sponsor | CHILDREN'S HOSP OF PHILADELPHIA (nih funded) |
| Locations | 1 site (PHILADELPHIA, UNITED STATES) |
| Trial ID | NIH-11323082 on ClinicalTrials.gov |
What this research studies
From my point of view as a patient, scientists are studying an adapter protein called Ldb1 that helps chromosomes fold so the right genes turn on as red blood cells mature. They will map chromosome contacts and measure newly made RNA in developing erythroblasts using high-resolution methods like Hi-C and PRO-seq. The team will also use an auxin-based system to remove Ldb1 and watch how gene activity and chromatin contacts change during maturation and the cell cycle. This work is done in lab cell samples rather than as a treatment for patients right now.
Who could benefit from this research
Good fit: People with inherited red blood cell disorders (for example, beta-thalassemia or sickle cell) or healthy volunteers willing to donate blood or bone-marrow samples would be ideal candidates to support related sample collection.
Not a fit: Those seeking immediate clinical treatment or people with conditions unrelated to red blood cell formation are unlikely to get direct benefit from this basic laboratory research.
Why it matters
Potential benefit: If successful, this could point to new ways to correct faulty hemoglobin gene control and lead to therapies for disorders like beta-thalassemia or sickle cell disease.
How similar studies have performed: Prior work has shown Ldb1 can be recruited to the b-globin region to create long-range enhancer-promoter contacts, but genome-wide, dynamic roles of Ldb1 during differentiation remain less tested.
Where this research is happening
PHILADELPHIA, UNITED STATES
- CHILDREN'S HOSP OF PHILADELPHIA — PHILADELPHIA, UNITED STATES (ACTIVE)
Researchers
- Principal investigator: BLOBEL, GERD A — CHILDREN'S HOSP OF PHILADELPHIA
- Study coordinator: BLOBEL, GERD 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.