Titre : Acide docosahexaénoïque

Acide docosahexaénoïque : Questions médicales fréquentes

Questions fréquentes et termes MeSH associés

Diagnostic 2

#1

Comment évaluer le niveau de DHA dans le corps ?

Des tests sanguins peuvent mesurer les niveaux de DHA dans les lipides sanguins.
Acides gras Acide docosahexaénoïque Analyse sanguine
#2

Quels symptômes indiquent une carence en DHA ?

Des troubles cognitifs, des problèmes de vision et des troubles de l'humeur peuvent survenir.
Carence nutritionnelle Acide docosahexaénoïque Troubles cognitifs

Symptômes 2

#1

Quels sont les signes d'une insuffisance en DHA ?

Fatigue, troubles de la mémoire, et sécheresse oculaire peuvent être des signes.
Acide docosahexaénoïque Fatigue Troubles de la mémoire
#2

Le DHA affecte-t-il l'humeur ?

Oui, une faible consommation de DHA est liée à des troubles de l'humeur comme la dépression.
Acide docosahexaénoïque Dépression Troubles de l'humeur

Prévention 2

#1

Comment prévenir une carence en DHA ?

Consommer régulièrement des poissons gras ou des algues riches en DHA est conseillé.
Acide docosahexaénoïque Prévention Nutrition
#2

Quels aliments sont riches en DHA ?

Les poissons gras comme le saumon, le maquereau et les sardines sont de bonnes sources.
Acide docosahexaénoïque Alimentation Poissons gras

Traitements 2

#1

Comment traiter une carence en DHA ?

L'augmentation de la consommation de poissons gras ou de suppléments de DHA est recommandée.
Acide docosahexaénoïque Suppléments alimentaires Nutrition
#2

Le DHA peut-il aider à traiter des maladies ?

Des études montrent que le DHA peut aider à réduire l'inflammation et améliorer la santé cardiaque.
Acide docosahexaénoïque Maladies cardiovasculaires Inflammation

Complications 2

#1

Quelles complications peuvent résulter d'une carence en DHA ?

Des complications incluent des troubles neurologiques et des problèmes de vision.
Acide docosahexaénoïque Complications Troubles neurologiques
#2

Le DHA est-il lié à des maladies chroniques ?

Une faible consommation de DHA est associée à un risque accru de maladies chroniques.
Acide docosahexaénoïque Maladies chroniques Risque

Facteurs de risque 2

#1

Qui est à risque de carence en DHA ?

Les végétariens, les femmes enceintes et les personnes âgées sont souvent à risque.
Acide docosahexaénoïque Facteurs de risque Végétarisme
#2

Le mode de vie influence-t-il les niveaux de DHA ?

Oui, un régime pauvre en poissons et en graisses saines peut réduire les niveaux de DHA.
Acide docosahexaénoïque Mode de vie Nutrition
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Dr Olivier Menir

Contenu validé par Dr Olivier Menir

Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale


Validation scientifique effectuée le 03/09/2026

Contenu vérifié selon les dernières recommandations médicales

Auteurs principaux

Richard P Bazinet

4 publications dans cette catégorie

Affiliations :
  • Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S 1A8, Canada.

Kento Yoshioka

3 publications dans cette catégorie

Affiliations :
  • Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi-City, Chiba, 274-8510, Japan.

Keisuke Obara

3 publications dans cette catégorie

Affiliations :
  • Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi-City, Chiba, 274-8510, Japan. Electronic address: keisuke.obara@phar.toho-u.ac.jp.

Yoshio Tanaka

3 publications dans cette catégorie

Affiliations :
  • Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi-City, Chiba, 274-8510, Japan.

Ann Hellström

3 publications dans cette catégorie

Affiliations :
  • Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.

Anders K Nilsson

3 publications dans cette catégorie

Affiliations :
  • Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.

Lois E H Smith

3 publications dans cette catégorie

Affiliations :
  • Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts.

Adam H Metherel

2 publications dans cette catégorie

Affiliations :
  • Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S 1A8, Canada adam.metherel@utoronto.ca.

Raphaël Chouinard-Watkins

2 publications dans cette catégorie

Affiliations :
  • Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S 1A8, Canada.

Montserrat De Dios Regadera

2 publications dans cette catégorie

Affiliations :
  • Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi-City, Chiba, 274-8510, Japan.
Publications dans "Acide docosahexaénoïque" :

Guanghan Ou

2 publications dans cette catégorie

Affiliations :
  • Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi-City, Chiba, 274-8510, Japan.
Publications dans "Acide docosahexaénoïque" :

Keyue Xu

2 publications dans cette catégorie

Affiliations :
  • Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi-City, Chiba, 274-8510, Japan.
Publications dans "Acide docosahexaénoïque" :

Rikako Inaba

2 publications dans cette catégorie

Affiliations :
  • Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toho University.

Mirai Kawakita

2 publications dans cette catégorie

Affiliations :
  • Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toho University.

J Thomas Brenna

2 publications dans cette catégorie

Affiliations :
  • Dell Pediatric Research Institute, Dell Medical School, Austin, TX 78723, USA.
Publications dans "Acide docosahexaénoïque" :

Jinjin Diao

2 publications dans cette catégorie

Affiliations :
  • Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China.
  • Key Laboratory of Systems Bioengineering, Ministry of Education of China, Tianjin, China.
  • Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, China.

Yali Bi

2 publications dans cette catégorie

Affiliations :
  • Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China.
  • Key Laboratory of Systems Bioengineering, Ministry of Education of China, Tianjin, China.
  • Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, China.

Fangzhong Wang

2 publications dans cette catégorie

Affiliations :
  • Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China.
  • Key Laboratory of Systems Bioengineering, Ministry of Education of China, Tianjin, China.
  • Center for Biosafety Research and Strategy, Tianjin University, Tianjin, China.
  • Law School, Tianjin University, Tianjin, China.

Lei Chen

2 publications dans cette catégorie

Affiliations :
  • Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China.
  • Key Laboratory of Systems Bioengineering, Ministry of Education of China, Tianjin, China.
  • Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, China.

Weiwen Zhang

2 publications dans cette catégorie

Affiliations :
  • Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China.
  • Key Laboratory of Systems Bioengineering, Ministry of Education of China, Tianjin, China.
  • Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, China.
  • Center for Biosafety Research and Strategy, Tianjin University, Tianjin, China.
  • Law School, Tianjin University, Tianjin, China.

Sources (10000 au total)

Maternal Docosahexaenoic Acid Supplementation Alters Maternal and Fetal Docosahexaenoic Acid Status and Placenta Phospholipids in Pregnancies Complicated by High Body Mass Index.

An optimal fetal supply of docosahexaenoic acid (DHA) is critical for normal brain development. The relationship between maternal DHA intake and DHA delivery to the fetus is complex and is dependent o... Maternal blood, placenta, and cord blood were collected from 30 healthy pregnant women (BMI 18.9-43.26 kg/m... Supplementation with 200 mg/d DHA significantly increased (... Maternal DHA supplementation at recommended doses cord increased RBC DHA content only in pregnancies complicated by higher BMI. Surprisingly, we found that obesity was related to an increase in placen...

Lipid Peroxidation of the Docosahexaenoic Acid/Arachidonic Acid Ratio Relating to the Social Behaviors of Individuals with Autism Spectrum Disorder: The Relationship with Ferroptosis.

Polyunsaturated fatty acids (PUFAs) undergo lipid peroxidation and conversion into malondialdehyde (MDA). MDA reacts with acetaldehyde to form malondialdehyde-modified low-density lipoprotein (MDA-LDL...

Effect of arachidonic and docosahexaenoic acid supplementation on quality of growth in preterm infants: A secondary analysis of a randomized controlled trial.

A balanced supply of arachidonic acid (ARA) and docosahexaenoic acid (DHA) may be crucial for quality of growth in preterm infants. This secondary analysis of a randomized controlled trial aimed to de... The ImNuT-trial randomized 121 infants to receive a daily supplement with medium chain triglycerides (control) or 100 mg/kg ARA and 50 mg/kg DHA (ARA:DHA group) from the second day of life until 36 we... The ARA:DHA group showed better linear growth from birth to term equivalent age compared to the control group; mean difference in z score change from birth for length was 0.74 ([95% CI, 0.17-1.3]; p =... Early enhanced supplementation of ARA and DHA may be beneficial with respect to somatic growth in very preterm infants.... The trial has been registered on www.... gov, ID: NCT03555019....

Low and high temperatures promote docosahexaenoic acid accumulation in Crypthecodinium sp. SUN by regulating the polyunsaturated fatty acid synthase pathway and the expression of saturated fatty acid preferred diacylglycerol acyltransferases.

Low (15 °C) and high (35 °C) temperatures significantly increased DHA as a percentage of total fatty acids (TFAs) to 43.6 % and 40.46 %, respectively (1.28- and 1.18-fold of that at 25 °C, respectivel...

Refactoring the architecture of a polyketide gene cluster enhances docosahexaenoic acid production in Yarrowia lipolytica through improved expression and genetic stability.

Long-chain polyunsaturated fatty acids (LC-PUFAs), such as docosahexaenoic acid (DHA), are essential for human health and have been widely used in the food and pharmaceutical industries. However, the ... Expression of the monocistronic cluster with each gene under the control of the constitutive TEF promoter led to low-level DHA production. By using the minLEU2 promoter instead and incorporating addit... Overall, the results demonstrate the effectiveness of synthetic heterologous gene clusters to drive DHA production in Y. lipolytica. The combinatorial exploration of different genetic control elements...

Docosahexaenoic Acid Coordinating with Sodium Selenite Promotes Paraptosis in Colorectal Cancer Cells by Disrupting the Redox Homeostasis and Activating the MAPK Pathway.

Tumor cells are characterized by a delicate balance between elevated oxidative stress and enhanced antioxidant capacity. This intricate equilibrium, maintained within a threshold known as redox homeos...