1 kb of the lactase-phlorizin hydrolase promoter directs post-weaning decline and small intestinal-specific expression in transgenic mice.
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1 kb of the lactase-phlorizin hydrolase promoter directs post-weaning decline and small intestinal-specific expression in transgenic mice. / Troelsen, J T; Mehlum, A; Spodsberg, N; Prydz, H; Norén, O; Sjöström, H; Olsen, Jørgen; Hansen, Gert Helge.
I: FEBS Letters, Bind 342, Nr. 3, 1994, s. 291-6.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - 1 kb of the lactase-phlorizin hydrolase promoter directs post-weaning decline and small intestinal-specific expression in transgenic mice.
AU - Troelsen, J T
AU - Mehlum, A
AU - Spodsberg, N
AU - Prydz, H
AU - Norén, O
AU - Sjöström, H
AU - Olsen, Jørgen
AU - Hansen, Gert Helge
N1 - Keywords: Age Factors; Animals; Gene Expression Regulation; Glycosylceramidase; Intestine, Small; Mice; Mice, Inbred C57BL; Mice, Inbred DBA; Mice, Transgenic; Promoter Regions (Genetics); RNA, Messenger; Tissue Distribution; Transcription, Genetic
PY - 1994
Y1 - 1994
N2 - Adult-type hypolactasia is a genetic condition making approximately one half of the human population intolerant to milk because of abdominal symptoms. The cause is a post-weaning down-regulation of the intestinal-specific enzyme lactase-phlorizin hydrolase (LPH) reducing the intestinal capacity to hydrolyze lactose. We here demonstrate that the stretch -17 to -994 in the pig LPH-promoter carries cis-elements which direct a small intestinal-specific expression and a post-weaning decline of a linked rabbit beta-globin gene. These data demonstrate that the post-weaning decline of LPH is mainly due to a transcriptional down-regulation.
AB - Adult-type hypolactasia is a genetic condition making approximately one half of the human population intolerant to milk because of abdominal symptoms. The cause is a post-weaning down-regulation of the intestinal-specific enzyme lactase-phlorizin hydrolase (LPH) reducing the intestinal capacity to hydrolyze lactose. We here demonstrate that the stretch -17 to -994 in the pig LPH-promoter carries cis-elements which direct a small intestinal-specific expression and a post-weaning decline of a linked rabbit beta-globin gene. These data demonstrate that the post-weaning decline of LPH is mainly due to a transcriptional down-regulation.
U2 - 10.1016/0014-5793(94)80519-9
DO - 10.1016/0014-5793(94)80519-9
M3 - Journal article
C2 - 8150087
VL - 342
SP - 291
EP - 296
JO - F E B S Letters
JF - F E B S Letters
SN - 0014-5793
IS - 3
ER -
ID: 6604904