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Updated: May 2, 2026
07:24
A Precision Medicine Tool for Measurement and Monitoring of Hemoglobin S in Sickle Cell Disease Patients Receiving Transfusion Therapy
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Hemoglobin s polymerization and red cell membrane changes
1Children's Hospital Oakland Research Institute, 5700 Martin Luther King Jr. Way, Oakland, CA 94609, USA.
Hematology/Oncology Clinics of North America
|March 5, 2014
Summary
Sickle cell disease involves a hemoglobin mutation causing red blood cell membrane changes. These alterations damage tissues and organs, leading to vasculopathy in patients.
Area of Science:
- Hematology
- Molecular Biology
- Pathophysiology
Background:
- Sickle cell disease originates from a point mutation in hemoglobin.
- This mutation alters red blood cell (RBC) membrane properties and interactions.
Purpose of the Study:
- To elucidate the pathways linking the hemoglobin mutation to RBC membrane alterations.
- To understand the impact of these changes on RBC interactions with the environment and subsequent organ damage.
Main Methods:
- Investigated the molecular mechanisms of RBC membrane damage.
- Analyzed the role of polymerization and oxidation in RBC membrane alterations.
- Examined the generation of microparticles from damaged RBCs.
Main Results:
- The hemoglobin mutation triggers RBC membrane changes through polymerization and oxidation.
- Lipid and protein components of the RBC membrane are damaged.
- Bioreactive membrane material (microparticles) is generated, affecting cellular interactions.
Conclusions:
- Altered RBC membrane interactions are central to sickle cell disease pathophysiology.
- These membrane changes contribute significantly to the vasculopathy observed in sickle cell disease patients.
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