1984
DOI: 10.1172/jci111222
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Lingual lipase in cystic fibrosis. Quantitation of enzyme activity in the upper small intestine of patients with exocrine pancreatic insufficiency.

Abstract: Abstract. We have measured the level of lingual lipase activity in gastric and duodenal aspirates of five patients with cystic fibrosis (CF)

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Cited by 108 publications
(52 citation statements)
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“…The products of intragastric lipolysis are amphiphilic substances (62) that facilitate fat emulsification (26) and enhance the intestinal hydrolysis of fat by pancreatic lipase (6). Recent studies show that the site of action of lingual lipase, an enzyme with optimal activity at pH 3.0-6.0, is not limited to the stomach, but continues in the duodenum (1,12), especially in conditions of physiologic (9,10,37,47,69) and pathologic (46,53,55,59) pancreatic insufficiency, characterized by low duodenal pH (12)(13)(14)19). In these cases, the enzyme is probably responsible for the digestion and absorption of as much as 70% of dietary fat (55,59).…”
Section: Discussionmentioning
confidence: 99%
“…The products of intragastric lipolysis are amphiphilic substances (62) that facilitate fat emulsification (26) and enhance the intestinal hydrolysis of fat by pancreatic lipase (6). Recent studies show that the site of action of lingual lipase, an enzyme with optimal activity at pH 3.0-6.0, is not limited to the stomach, but continues in the duodenum (1,12), especially in conditions of physiologic (9,10,37,47,69) and pathologic (46,53,55,59) pancreatic insufficiency, characterized by low duodenal pH (12)(13)(14)19). In these cases, the enzyme is probably responsible for the digestion and absorption of as much as 70% of dietary fat (55,59).…”
Section: Discussionmentioning
confidence: 99%
“…La lipase gastrique joue donc un rôle significatif dans la digestion des lipides chez le sujet sain, et nous allons voir que son action prend une place déterminante chez le sujet insuffisant pancréatique. [25], voire augmentée [24], probablement grâce à un phénomène d'adaptation nutritionnelle qui a été mis en évidence chez le sujet sain [26] comme chez le sujet insuffisant pancréatique ( fig. 1) [24].…”
Section: Le Rôle De La Lipase Gastrique Dans La Digestion Des Lipidesunclassified
“…1) [26]. Ainsi, même lorsque la lipase pancréatique est complètement absente, les lipides alimentaires sont tout de même absorbés à des taux variant de 26 à 81 % chez des enfants souffrant de mucoviscidose [25]. L'excrétion fécale des lipides est d'ailleurs corrélée négativement au niveau de lipase gastrique chez ces sujets [25].…”
Section: Le Rôle De La Lipase Gastrique Dans La Digestion Des Lipidesunclassified
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