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A French lady from the Caribbean island of Guadeloupe has been recognized as the one identified provider of a brand new blood kind, dubbed “Gwada negative,” France’s blood provide company has introduced.
The announcement was made 15 years after researchers acquired a blood pattern from a affected person who was present process routine exams forward of surgical procedure, the French Blood Institution (EFS) stated on Friday.
“The EFS has just discovered the 48th blood group system in the world!” the company stated in an announcement on social community LinkedIn.
“This discovery was officially recognized in early June in Milan by the International Society of Blood Transfusion (ISBT).”
The scientific affiliation had till now acknowledged 47 blood group programs.
Thierry Peyrard, a medical biologist on the EFS concerned within the discovery, advised AFP {that a} “very unusual” antibody was first discovered within the affected person in 2011.
Nevertheless, assets on the time didn’t enable for additional analysis, he added.
Scientists have been lastly in a position to unravel the thriller in 2019 because of “high-throughput DNA sequencing,” which highlighted a genetic mutation, Peyrard stated.
The affected person, who was 54 on the time and lived in Paris, was present process routine exams earlier than surgical procedure when the unknown antibody was detected, Peyrard stated.
This lady “is undoubtedly the only known case in the world,” stated the professional.
“She is the only person in the world who is compatible with herself,” he stated.
Peyrard stated the lady inherited the blood kind from her father and mom, who every had the mutated gene.
The identify “Gwada negative,” which refers back to the affected person’s origins and “sounds good in all languages,” has been fashionable with the consultants, stated Peyrard.
The ABO blood group system was first found within the early 1900s. Because of DNA sequencing the invention of latest blood teams has accelerated in recent times.
Peyrard and colleagues are actually hoping to search out different folks with the identical blood group.
“Discovering new blood groups means offering patients with rare blood types a better level of care,” the EFS stated.
© 2025 AFP
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Scientists discover new blood kind in Guadeloupe lady (2025, June 22)
retrieved 22 June 2025
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