EFFECTS OF THE COMPONENTS OF BREAST-MILK ON MUCOSAL ENZYME-ACTIVITY OF THE NEWBORN SMALL-INTESTINE

被引:6
作者
JONAS, A [1 ]
OREN, M [1 ]
DIVERHABER, A [1 ]
KAPLAN, B [1 ]
PASSWELL, J [1 ]
机构
[1] TEL AVIV UNIV, SACKLER SCH MED, TEL AVIV, ISRAEL
关键词
D O I
10.1203/00006450-198702000-00004
中图分类号
R72 [儿科学];
学科分类号
100202 ;
摘要
The effects of the aqueous phase of human breast milk on the disaccharidase activity of newborn rabbit small intestinal mucosal explants were studied in vitro culture. These explants continuously synthesized protein and normal morphology was maintained for the duration of the cultures. Addition of the aqueous phase resulted in significant increase of lactase (p < 0.001) and maltase (p < 0.01) concentrations in these organ cultures. This effect was dose dependent and was observed whether the organ biopsies were derived from fed or starved newborn rabbits. Further purification of the aqueous phase showed that the active ingredient exerting these effects was lactose. These studies suggest that lactose may have an important function in stabilization of newborn intestinal disaccharidase enzymes.
引用
收藏
页码:126 / 130
页数:5
相关论文
共 28 条
[1]  
BEAULIEU JF, 1985, J PEDIATR GASTROENTE, V4, P416
[2]  
BOLIN TD, 1971, GASTROENTEROLOGY, V60, P432
[3]   ORGAN CULTURE OF MUCOSAL BIOPSIES OF HUMAN SMALL INTESTINE [J].
BROWNING, TH ;
TRIER, JS .
JOURNAL OF CLINICAL INVESTIGATION, 1969, 48 (08) :1423-+
[4]   COMPOSITION AND BIOSYNTHESIS OF GLYCOPROTEINS AND GLYCOLIPIDS OF RABBIT SMALL-INTESTINAL BRUSH-BORDER [J].
COOPER, JR ;
KENT, PW .
BIOCHIMICA ET BIOPHYSICA ACTA, 1978, 513 (03) :364-381
[5]   METHOD FOR ASSAY OF INTESTINAL DISACCHARIDASES [J].
DAHLQVIST, A .
ANALYTICAL BIOCHEMISTRY, 1964, 7 (01) :18-&
[6]   PRECOCIOUS INCREASE OF SUCRASE ACTIVITY BY CARBOHYDRATES IN THE SMALL-INTESTINE OF SUCKLING RATS .1. SIGNIFICANCE OF THE STRESS EFFECT OF SUGAR-INDUCED DIARRHEA [J].
GODA, T ;
YAMADA, K ;
BUSTAMANTE, S ;
EDMOND, J ;
GRIMES, J ;
KOLDOVSKY, O .
JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION, 1985, 4 (03) :468-475
[7]   BIOSYNTHESIS OF BRUSH-BORDER GLYCOPROTEINS BY HUMAN SMALL INTESTINAL-MUCOSA IN ORGAN-CULTURE [J].
HAURI, HP ;
KEDINGER, M ;
HAFFEN, K ;
FREIBURGHAUS, A ;
GRENIER, JF ;
HADORN, B .
BIOCHIMICA ET BIOPHYSICA ACTA, 1977, 467 (03) :327-339
[8]   COLOSTRUM-INDUCED ENTERIC MUCOSAL GROWTH IN BEAGLE PUPPIES [J].
HEIRD, WC ;
SCHWARZ, SM ;
HANSEN, IH .
PEDIATRIC RESEARCH, 1984, 18 (06) :512-515
[9]  
HENNING SJ, 1982, BIOL NEONATE, V41, P265, DOI 10.1159/000241561
[10]   ROLE OF DIET IN THE DETERMINATION OF JEJUNAL SUCRASE ACTIVITY IN THE WEANLING RAT [J].
HENNING, SJ ;
GUERIN, DM .
PEDIATRIC RESEARCH, 1981, 15 (07) :1068-1072