La vitamine B3, un allié efficace contre les fausses couches

Getty Images  Caiaimage                       La vitamine B3 pourrait empêcher des fausses couches

Getty Images Caiaimage La vitamine B3 pourrait empêcher des fausses couches

Ainsi, selon ses conclusions, faire une cure de vitamine B3, présente naturellement dans la viande et les légumes, serait la solution pour échapper à toutes ses épreuves difficiles. Mais cette crainte pourrait être évitée en suivant simplement les recommandations d'une étude australienne présentée jeudi 10 et publiée dans le New England Journal of Medicine. Elle montre que le nicotinamide adénine dinucléotide (NAD) est une molécule qui a besoin d'un taux suffisant de vitamine B3 pour se développer. Résultat: une possible fausse couche ou un risque d'handicap si la grossesse arrive à son terme, précise Science magazine. Chez les souris en tout cas.

Les scientifiques ont étudié les gènes au sein de 4 familles aux multiples fausses couches et handicaps de naissance. "Cette découverte a le potentiel de réduire considérablement le nombre de fausses couches et de malformations congénitales dans le monde, et je n'utilise pas ces mots à la légère", a déclaré la professeure Sally Dunwoodie, qui dirige l'institut australien.

Concrètement, les fausses couches seraient dues essentiellement au déficit de la molécule NAD (nicotinamide adénine dinucléotide) dans le corps, un phénomène qui empêcherait de bon développement des embryons.

Désormais, après avoir fait des tests sur des souris, les chercheurs doivent poursuivent leurs recherches pour infirmer ou confirmer ses résultats. Grâce à la prise de gélules de vitamine B3, connue sous le nom de niacine, les chercheurs ont découvert une amélioration sur le développement des embryons de ces souris porteuses d'une déficience en NAD.

Le ministre de la Santé australien, Greg Hunt, a salué jeudi cette découverte comme "une découverte médicale historique" et "un nouvel espoir pour les femmes", dont un quart ont été confrontées au cours de leur vie à une fausse couche.

Les auteurs de l'étude veulent maintenant de créer un test permettant de repérer les femmes ayant un risque de déficience de NAD.

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