questionsmedicales.fr
Acides aminés, peptides et protéines
Acides aminés
Acides aminés essentiels
Acides aminés essentiels : Questions médicales fréquentes
Diagnostic
5
Carence en acides aminés
Analyse sanguine
Profil d'acides aminés
Analyse d'urine
Fatigue
Troubles de l'humeur
Tests génétiques
Troubles métaboliques
Apport alimentaire
Analyse nutritionnelle
Symptômes
5
Fatigue
Troubles immunitaires
Perte de cheveux
Carence en acides aminés
Troubles de l'humeur
Neurotransmetteurs
Système immunitaire
Infections
Douleurs musculaires
Crampes musculaires
Prévention
5
Prévention des carences
Alimentation équilibrée
Végétarisme
Sources végétales
Aliments riches en protéines
Légumineuses
Compléments alimentaires
Régime restrictif
Performance sportive
Récupération musculaire
Traitements
5
Suppléments d'acides aminés
Modifications alimentaires
Protéines en poudre
Acides aminés essentiels
Aliments riches en protéines
Légumineuses
Suppléments alimentaires
Consultation médicale
Durée du traitement
Carence en acides aminés
Complications
5
Troubles de croissance
Infections fréquentes
Santé mentale
Troubles cognitifs
Maladies chroniques
Carences prolongées
Réversibilité
Traitement approprié
Troubles immunitaires
Carence prolongée
Facteurs de risque
5
Régimes restrictifs
Maladies digestives
Personnes âgées
Besoins nutritionnels
Maladies métaboliques
Absorption des nutriments
Régimes végétaliens
Carences nutritionnelles
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"text": "Oui, une carence en acides aminés peut affecter la production de neurotransmetteurs."
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"@type": "Question",
"name": "Les douleurs musculaires sont-elles un symptôme ?",
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"text": "Oui, une carence en acides aminés peut provoquer des douleurs et des crampes musculaires."
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"name": "Comment prévenir une carence en acides aminés ?",
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"text": "Une alimentation équilibrée et variée, riche en protéines, aide à prévenir les carences."
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"name": "Les végétariens peuvent-ils avoir des carences ?",
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"text": "Oui, ils doivent veiller à consommer des sources végétales complètes d'acides aminés."
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"text": "Les viandes, poissons, œufs, produits laitiers et certaines légumineuses sont riches en acides aminés."
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"position": 15,
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"@type": "Question",
"name": "Les aliments riches en acides aminés sont-ils recommandés ?",
"position": 18,
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"text": "Oui, consommer des viandes, poissons, œufs et légumineuses est conseillé."
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"@type": "Question",
"name": "Les suppléments sont-ils sûrs à prendre ?",
"position": 19,
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"name": "Quelle est la durée du traitement pour une carence ?",
"position": 20,
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"text": "La durée dépend de la gravité de la carence et de la réponse au traitement, souvent plusieurs mois."
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},
{
"@type": "Question",
"name": "Les personnes âgées sont-elles à risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent avoir des besoins nutritionnels accrus et une absorption réduite."
}
},
{
"@type": "Question",
"name": "Les sportifs ont-ils des besoins accrus ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les sportifs ont souvent besoin de plus d'acides aminés pour la récupération et la performance."
}
},
{
"@type": "Question",
"name": "Les maladies métaboliques augmentent-elles le risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines maladies métaboliques peuvent affecter l'absorption ou le métabolisme des acides aminés."
}
},
{
"@type": "Question",
"name": "Les régimes végétaliens présentent-ils des risques ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent entraîner des carences si les sources d'acides aminés ne sont pas variées."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 19/07/2026
Contenu vérifié selon les dernières recommandations médicales
4 publications dans cette catégorie
Affiliations :
Department of Dairy Science, Virginia Tech, Blacksburg 24061. Electronic address: mhanigan@vt.edu.
Publications dans "Acides aminés essentiels" :
3 publications dans cette catégorie
Affiliations :
Agricultural and Agri-Food Canada, Sherbrooke, QC, Canada J1M 0C8.
Publications dans "Acides aminés essentiels" :
3 publications dans cette catégorie
Affiliations :
Agricultural and Agri-Food Canada, Sherbrooke, QC, Canada J1M 0C8.
Publications dans "Acides aminés essentiels" :
3 publications dans cette catégorie
Affiliations :
Department of Geriatrics, Donald W. Reynolds Institute on Aging, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Department of Dairy Science, Virginia Tech, Blacksburg 24061.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Department of Dairy Science, Virginia Tech, Blacksburg 24061; National Animal Nutrition Program, National Research Support Project, USDA, Washington, DC 20250.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
RIKEN Center for Biosystems Dynamics Research, Kobe, Hyogo 650-0047, Japan.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Department of Genetics, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
RIKEN Center for Biosystems Dynamics Research, Kobe, Hyogo 650-0047, Japan.
Laboratory of Molecular Cell Biology and Development, Graduate School of Biostudies, Kyoto University, Kyoto 606-8501, Japan.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Department of Geriatrics, Donald W. Reynolds Institute on Aging, Center for Translational Research in Aging and Longevity, University of Arkansas for Medical Sciences, Little Rock, AR, USA. krhirsch@uams.edu.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Department of Geriatrics, Donald W. Reynolds Institute on Aging, Center for Translational Research in Aging and Longevity, University of Arkansas for Medical Sciences, Little Rock, AR, USA.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Department of Biomedical Technology and Translational Medicine, Center for Study and Research on Obesity, University of Milan, Milan.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular and Translational Medicine, Brescia University, Brescia, Italy.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Department of Biomedical Technology and Translational Medicine, Center for Study and Research on Obesity, University of Milan, Milan.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Division of Human Anatomy and Physiopathology, Department of Clinical and Experimental Sciences, University of Brescia, 25124 Brescia, Italy. cla300482@gmail.com.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Division of Human Anatomy and Physiopathology, Department of Clinical and Experimental Sciences, University of Brescia, 25124 Brescia, Italy. giovanni.corsetti@unibs.it.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Istituti Clinici Scientifici Maugeri - IRCCS Lumezzane - Cardiac Rehabilitation Division, 25065 Lumezzane (Brescia), Italy. evpasini@gmail.com.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Nutrient Metabolism & Signalling Laboratory, Department of Biochemistry and Molecular Biology, Metabolism, Diabetes and Obesity Program, Biomedicine Discovery Institute, Monash University, 3800 Clayton, Australia.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Nutrient Metabolism & Signalling Laboratory, Department of Biochemistry and Molecular Biology, Metabolism, Diabetes and Obesity Program, Biomedicine Discovery Institute, Monash University, 3800 Clayton, Australia.
Publications dans "Acides aminés essentiels" :
2 publications dans cette catégorie
Affiliations :
Department of Internal Medicine III, University of Kiel and DZHK (German Centre for Cardiovascular Research), 24105 Kiel, Germany.
Publications dans "Acides aminés essentiels" :
Athletes need to develop a relatively high muscle mass and low body adipose tissue for the sake of better athletic performance. A full range of nine essential amino acids and eleven non-essential amin...
Reprogramming of amino acid metabolism, sustained by oncogenic signaling, is crucial for cancer cell survival under nutrient limitation. Here we discovered that missense mutant p53 oncoproteins stimul...
Recently, many studies have been devoted to discovering nutrients for exercise-like effects. Resistance exercise and the intake of essential amino acids (EAAs) are known to be factors that can affect ...
Thirty-four males volunteered to participate in this study. They were assigned to four groups: (1) placebo (CO), (2) resistance exercise (RE), (3) EAA supplementation, and (4) RE + EAA supplementation...
Lean body fat had decreased in both RE and RE + EAA groups. Lean body mass had increased in only the RE + EAA group. In all groups except for CO, irisin, myostatin A, and TNF-α levels had decreased. T...
RE, EAA, and RE + EAA could effectively improve the muscle quality, myokine, and inflammation factors of young adult males. This finding highlights the importance of resistance exercise and amino acid...
Lysine, methionine, and threonine are essential amino acids with vital functions for muscle and connective tissue health, metabolic balance, and the immune system. During illness, the demand for these...
Major concerns regarding individuals who adhere to a vegan diet are whether they meet protein and essential amino acid recommendations and how reliant they are on ultraprocessed foods....
To investigate whether individuals who adhere to a vegan diet meet protein and essential amino acid recommendations and, as secondary objectives, to determine ultraprocessed food intake and potential ...
This cross-sectional survey study was conducted between September 2021 and January 2023 in Brazil among male and female adults (aged 18 years or older) who adhered to a vegan diet recruited from socia...
Adherence to a vegan diet and unprocessed and minimally processed foods and ultraprocessed food consumption....
Protein and essential amino acid intake and food consumption by processing level were assessed using a 1-day food diary. Nutrient adequacy ratios were calculated by dividing nutrient intake by its rec...
Of 1014 participants who completed the survey, 774 individuals (median [IQR] age, 29 [24-35] years; 637 female [82.3%]) were confirmed as adhering to a vegan diet and provided adequate food recalls, a...
In this study, most individuals who adhered to a vegan diet attained protein and essential amino acid intake recommendations, largely based their diet of unprocessed and minimally processed food, and ...
Building on our previous work, we investigate how dietary shifts affect gut microbial essential amino acid (EAA) provisioning in the lactating cockroach...
To that end, we fed cockroaches three distinct diets: a plant-only Gari diet composed of starchy and granulated root tuber Yucca (...
By day 28, we observed distinct profiles of 14 bacterial families in the insect gut microbiomes of the three dietary groups. CADF-fed insects predominantly harbored cellulolytic and nitrogen-fixing ba...
The influence of diet on EAA provisioning and SMR responses in insects underscores the need for further exploration into the role of gut microbial functions in modulating metabolic responses....
Metabolic dysfunction-associated steatotic liver disease (MASLD) remains a rapidly growing global health burden. Here, we report that the nonessential amino acid (NEAA) transporter SLC7A11 plays a key...
The research involving the beneficial aspects of amino acids being added to poultry feed pertaining to performance, growth, feed intake, and feed conversion ratio is extensive. Yet currently the effec...
Intracellular amino acids (AA) regulate milk protein synthesis within the mammary glands by modifying mammary plasma flow (MPF) and AA transporter activity. Amino acid transporters catalyze translocat...
Polycystic ovary syndrome (PCOS) is characterized by hyperandrogenism, insulin resistance, and hepatic steatosis (HS). Because dietary essential amino acid (EAA) supplementation has been shown to decr...
A randomized, double-blind, crossover, placebo-controlled trial was conducted in 21 adolescents with PCOS (BMI 37.3 ± 6.5 kg/m...
Compared to placebo, EAA was associated with no difference in body weight (p = 0.673). Two markers of liver health improved: HS was lower (-0.8% absolute, -7.5% relative reduction, p = 0.013), as was ...
Similar to studies in older adults, short-term EAA supplementation in adolescents resulted in significantly lower liver fat, AST, and plasma lipids and thus may prove to be an effective treatment in t...