Possible Cure for Sickle Cell Disease in Africa


Sickle cell disease is a genetic condition that affects the shape of red blood cells, leading to many health complications. While the disease is manageable, some developing countries struggle to maintain the illness. For example, sickle cell disease in Africa contributes to an abnormally high rate of mortality. However, with new scientific discoveries, gene therapy may be able to change that.

Sickle cell disease is not always fatal, but it can be depending on the country. Africa has struggled for many years with the disease, particularly sickle cell anemia. In 2006, Africa reported more than 200,000 people having sickle cell anemia. Furthermore, this disease dominates the illnesses in Africa, affecting up to 2% of children in some regions.

Sickle Cell Disease

This seemingly endless war with sickle cell disease in Africa has a newfound solution: gene therapy. Gene therapy can operate in two different ways. A medic can insert a healthy gene inside of the patient or alter a faulty gene. The gene therapy would be working to fix the HBB gene. The HBB gene can have a mutation leading to an error in the instructions, making hemoglobin production faulty, which would lead to sickle cell anemia.

There are two known methods for correcting sickle cell anemia with gene therapy. In the first method, a professional would insert a healthy HBB gene into a removed hematopoietic stem cell. The hematopoietic stem cells should produce proper red blood cells in the bone marrow once inserted back into the patient. The second method would be to increase the production of fetal hemoglobin by altering the gene in the DNA to stop the misshaping of the cells.

Gene Therapy

There have already been some trials run, and the experiments include tests to make sure it is safe for a new HBB gene to replace a damaged gene. Scientists have also run tests in which stem cells take in a gene that works comparably to fetal hemoglobin, but instead, produces therapeutic hemoglobin with hopes that it will stop the sickling.

SCD can cause many health complications and has a stronghold in Africa. Malaria and poverty only increase the troubles that sickle cell disease causes. However, due to gene therapy trials, a cure for SCD is now in sight. Gene therapy can alter genes and replace old ones to stop the body from sickling the cells. Today, due to gene therapy there is finally hope for eradicating sickle cell disease in Africa.


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