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Lactose intolerance in Arabs

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A high incidence (minimum 20/26, maximum 24/26) of lactose intolerance was found in a group of adult Arab subjects. A selective reduction of intestinallactase activity was present in 4 subjects in whom a suction biopsy was performed.


In einer Gruppe von arabischen Erwachsenen wurde eine große Häufigkeit der Lactose-Intoleranz (minimal 20/26, maximal 24/26) gefunden. Bei 4 Probanden, bei denen eine Saugbiopsie durchgeführt wurde, war die Aktivität der intestinalen Lactase erniedrigt.

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This work was supported by Stiftung Volkswagenwerk and Landesamt für Forschung, Nordrhein-Westfalen.

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Rotthauwe, H.W., El-Schallah, M.O. & Flatz, G. Lactose intolerance in Arabs. Hum Genet 13, 344–346 (1971).

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  • Internal Medicine
  • Lactose
  • Metabolic Disease
  • Lactase
  • Selective Reduction