{"id":6205,"date":"2022-09-14T15:59:01","date_gmt":"2022-09-14T15:59:01","guid":{"rendered":"https:\/\/fitolympia.com\/?p=6205"},"modified":"2022-09-14T15:59:02","modified_gmt":"2022-09-14T15:59:02","slug":"soybean-oil-linked-to-genetic-changes-in-brain-claims-study","status":"publish","type":"post","link":"https:\/\/fitolympia.com\/fr\/soybean-oil-linked-to-genetic-changes-in-brain-claims-study\/","title":{"rendered":"L\u2019HUILE DE SOJA LI\u00c9E \u00c0 DES CHANGEMENTS G\u00c9N\u00c9TIQUES DANS LE CERVEAU, AFFIRME UNE \u00c9TUDE"},"content":{"rendered":"<\/p>\n

Les chercheurs ont d\u00e9couvert environ 100 autres g\u00e8nes \u00e9galement affect\u00e9s par le r\u00e9gime d\u2019huile de soja<\/p>\n

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La consommation d\u2019huile de soja peut non seulement conduire \u00e0 l\u2019ob\u00e9sit\u00e9 et le diab\u00e8te, mais aussi \u00ab\u00a0affecter les conditions neurologiques comme l\u2019autisme, et la maladie d\u2019Alzheimer\u00a0\u00bb, affirme une \u00e9tude men\u00e9e chez la souris par des chercheurs, y compris l\u2019un d\u2019origine indienne.<\/p>\n

Des chercheurs de l\u2019Universit\u00e9 de Californie \u2013 Riverside (UCR) aux \u00c9tats-Unis ont not\u00e9 que l\u2019huile de soja est utilis\u00e9e pour la friture de restauration rapide, ajout\u00e9e aux aliments emball\u00e9s et nourrie au b\u00e9tail dans de nombreuses r\u00e9gions du monde.<\/p>\n

L\u2019\u00e9tude, publi\u00e9e dans la revue Endocrinology, comparait les souris nourries \u00e0 trois r\u00e9gimes diff\u00e9rents riches en gras : l\u2019huile de soja, l\u2019huile de soja modifi\u00e9e pour \u00eatre faible en acide linol\u00e9ique et l\u2019huile de coco.<\/p>\n

En 2015, la m\u00eame \u00e9quipe de recherche a constat\u00e9 que l\u2019huile de soja induit l\u2019ob\u00e9sit\u00e9, le diab\u00e8te, la r\u00e9sistance \u00e0 l\u2019insuline et le foie gras chez la souris.<\/p>\n

Une \u00e9tude r\u00e9alis\u00e9e en 2017 par le groupe a montr\u00e9 que si l\u2019huile de soja est con\u00e7ue pour \u00eatre faible en acide linol\u00e9ique, elle induit moins d\u2019ob\u00e9sit\u00e9 et de r\u00e9sistance \u00e0 l\u2019insuline.<\/p>\n

Cependant, dans la derni\u00e8re \u00e9tude, les chercheurs, y compris le premier auteur de l\u2019\u00e9tude Poonamjot Deol de l\u2019UCR, n\u2019ont trouv\u00e9 aucune diff\u00e9rence entre les effets de l\u2019huile de soja modifi\u00e9e et non modifi\u00e9e sur le cerveau.<\/p>\n

Ils ont trouv\u00e9 des effets prononc\u00e9s de l\u2019huile sur l\u2019hypothalamus, une r\u00e9gion du cerveau o\u00f9 un certain nombre de processus critiques ont lieu.<\/p>\n

\u00ab\u00a0L\u2019hypothalamus r\u00e9gule le poids corporel via votre m\u00e9tabolisme, maintient la temp\u00e9rature corporelle, est critique pour la reproduction et la croissance physique ainsi que votre r\u00e9ponse au stress\u00a0\u00bb, a d\u00e9clar\u00e9 Margarita Curras-Collazo, professeur agr\u00e9g\u00e9 \u00e0 l\u2019UCR, et auteur principal de l\u2019\u00e9tude.<\/p>\n

L\u2019\u00e9quipe a d\u00e9termin\u00e9 qu\u2019un certain nombre de g\u00e8nes chez les souris nourries \u00e0 l\u2019huile de soja ne fonctionnaient pas correctement.<\/p>\n

L\u2019un de ces g\u00e8nes produit l\u2019hormone de l\u2019amour, l\u2019ocytocine. Chez les souris nourries \u00e0 l\u2019huile de soja, les niveaux d\u2019ocytocine dans l\u2019hypothalamus ont diminu\u00e9.<\/p>\n

Les chercheurs ont d\u00e9couvert environ 100 autres g\u00e8nes \u00e9galement affect\u00e9s par le r\u00e9gime alimentaire de l\u2019huile de soja.<\/p>\n

\"\"<\/figure>\n

Ils croient que cette d\u00e9couverte pourrait avoir des ramifications non seulement pour le m\u00e9tabolisme \u00e9nerg\u00e9tique, mais aussi pour la fonction c\u00e9r\u00e9brale appropri\u00e9e et des maladies telles que l\u2019autisme ou la maladie de Parkinson, les chercheurs ont dit.<\/p>\n

Cependant, il est important de noter qu\u2019il n\u2019y a aucune preuve que le p\u00e9trole cause ces maladies, ont-ils dit.<\/p>\n

L\u2019\u00e9quipe a not\u00e9 que les r\u00e9sultats ne s\u2019appliquent qu\u2019\u00e0 l\u2019huile de soja \u2014 pas aux autres produits \u00e0 base de soja ou \u00e0 d\u2019autres huiles v\u00e9g\u00e9tales.<\/p>\n

\"\"<\/figure>\n

\u00ab Ne jetez pas votre tofu, votre lait de soja, votre edamame ou votre sauce soja \u00bb, a d\u00e9clar\u00e9 Frances Sladek, toxicologue \u00e0 l\u2019UCR et professeur de biologie cellulaire.<\/p>\n

\u00ab De nombreux produits \u00e0 base de soja ne contiennent que de petites quantit\u00e9s d\u2019huile et de grandes quantit\u00e9s de compos\u00e9s sant\u00e9 tels que les acides gras essentiels et les prot\u00e9ines \u00bb, a d\u00e9clar\u00e9 M. Sladek.<\/p>\n

Puisque la recherche a \u00e9t\u00e9 men\u00e9e chez la souris, les chercheurs avertissent que l\u2019\u00e9tude pourrait ne pas se traduire par les m\u00eames r\u00e9sultats chez l\u2019homme.<\/p>\n

Comme l\u2019ocytocine est si importante pour la sant\u00e9 maternelle et favorise le lien m\u00e8re-enfant, les chercheurs ont d\u00e9clar\u00e9 que des \u00e9tudes similaires doivent \u00eatre r\u00e9alis\u00e9es \u00e0 l\u2019aide de souris femelles.<\/p>\n

Les chercheurs n\u2019ont pas encore isol\u00e9 quels produits chimiques dans l\u2019huile sont responsables des changements qu\u2019ils ont trouv\u00e9s dans l\u2019hypothalamus.<\/p>\n

Cependant, ils ont exclu deux candidats: l\u2019acide linol\u00e9ique, puisque l\u2019huile modifi\u00e9e a \u00e9galement produit des perturbations g\u00e9n\u00e9tiques, et le stigmast\u00e9rol – un produit chimique de cholest\u00e9rol comme trouv\u00e9 naturellement dans l\u2019huile de soja.<\/p>\n

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Les chercheurs ont d\u00e9couvert environ 100 autres g\u00e8nes \u00e9galement affect\u00e9s par le r\u00e9gime d\u2019huile de soja La consommation d\u2019huile de 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