Pourquoi ce travail est dans la base
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Notice bibliographique
Résumé
About 100 uremic retention solutes have been identified at present, but not all of these compounds are necessarily toxic. They can be defined as uremic toxins if they exert biochemical/biological actions. Based on their physicochemical characteristics, there are three major groups of uremic retention solutes: 1) the small water-soluble compounds (<500 Da), which are easily removed by standard low-pore-size dialyzer membranes; 2) the protein-bound solutes (also mostly <500 Da), whose dialytic removal is hampered by their protein binding, irrespective of the membrane type; and 3) the so-called middle molecules (>500 Da), which can be removed only by membranes with a large pore size and/or adsorptive capacity. In the present review, we will summarize the currently known information about the toxicity of the uremic retention solutes. Although removal of small water-soluble urea has been recognized for many years as a current measure of dialysis adequacy, data on its toxicity are very scanty. Almost 50 other water-soluble compounds are known to be retained in uremia, but only a few exert biological effects. Most of the toxic water-soluble moieties, such as the guanidines, phosphate, xanthine, and hypoxanthine show an intra-dialytic compartmental behavior, which is different from urea. A substantial number of uremic solutes are protein bound, and most of them exert biological action. Among them are the phenols, indoles, homocysteine, and carboxy-methyl-propyl-furanpropionic acid. Recent data suggest that protein binding acts as a buffer against the toxic effects of these compounds, and that hypoalbuminemia increases both their free fraction and their toxicity. In addition, many middle molecules, such as ss(2)-microglobulin, leptin, and advanced glycation end products, have been related to biological/clinical effects. Our current knowledge of the biological impact of the middle molecules is very likely incomplete. It is concluded that many of the water-soluble compounds exert little or no toxicity, and that urea removal pattern per se is not identical to that of many biologically active molecules. Hence, in dialysis, more than urea removal alone should be pursued.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,002 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle