Extra chromosome 21 removed from Down syndrome cell line

University of Washington scientists have succeeded in removing the extra copy of chromosome 21 in cell cultures derived from a person with Down syndrome, a condition in which the body’s cells contain three copies of chromosome 21 rather than the usual pair.

Someday Down syndrome leukemia patients might have stem cells derived their own cells, and have the trisomy corrected in these lab-cultured cells.  They could then receive a transplant of their own stem cells – minus the extra chromosome – or healthy blood cells created from their fixed stem cells and that therefore don’t promote leukemia, as part of their cancer care.

View the original article here: Extra chromosome 21 removed from Down syndrome cell line

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