Gene-editing therapy removes extra chromosome behind Down syndrome in a landmark lab study

Scientists achieved a genetic breakthrough by removing an extra human chromosome using gene-editing technology. This landmark study successfully deleted the surplus chromosome 21 responsible for Down syndrome in laboratory cells. Gene activity patterns in these edited cells closely resembled normal cells. This marks the first time a chromosomal condition has been corrected at its root.

PNSPNS
Jan 31, 2026 - 11:39
 0
Gene-editing therapy removes extra chromosome behind Down syndrome in a landmark lab study
Scientists achieved a genetic breakthrough by removing an extra human chromosome using gene-editing technology. This landmark study successfully deleted the surplus chromosome 21 responsible for Down syndrome in laboratory cells. Gene activity patterns in these edited cells closely resembled normal cells. This marks the first time a chromosomal condition has been corrected at its root.

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