Intestinal lactase activity and calcium absorption in the aging female with osteoporosis.
In 11 postmenopausal women with histologically proven osteoporosis and normal lactose tolerance, a direct correlation between calcium absorption and intestinal lactase activity was observed. The results suggest that varying degrees of relative deficiencies in intestinal lactase might contribute to the graded decrease in calcium absorption which characterizes the aging female population.
D000368:Aged; D002118:Calcium / Q000172:deficiency; D002136:Calcium, Dietary / Q000378:metabolism*; D005260:Female; D005696:Galactosidases / Q000032:analysis*; D006801:Humans; D007408:Intestinal Absorption; D007413:Intestinal Mucosa / Q000201:enzymology; D007785:Lactose / Q000378:metabolism*; D008593:Menopause; D008875:Middle Aged; D010024:Osteoporosis / Q000201:enzymology / Q000378:metabolism*; D001616:beta-Galactosidase / Q000032:analysis*
D002136:Calcium, Dietary; D005696:Galactosidases; D001616:beta-Galactosidase; D007785:Lactose; D002118:Calcium