Gene therapies: molecular scissor Crispr delivers its first treatments

“I am proof that miracles can happen!” The testimony of Victoria Gray, 37, four children, “survivor of sickle cell disease”, moved the participants of the 3rd international summit on genome editing, which was held in London from March 6 to 8. The young American recounted how the Crispr-Cas9 genome-editing technique changed her life, punctuated since childhood by hospital stays and severe pain induced by the poor circulation of her shaped red blood cells. sickle. Sickle cell disease, also called sickle cell anemia, sometimes prevented her from walking and feeding herself, and shattered her dream of becoming a nurse.