Isolation of a mRNA that encodes a putative intestinal alkaline phosphatase regulated by 1,25-dihydroxyvitamin D-3
- PMID: 1954251
- DOI: 10.1016/0167-4781(91)90193-p
Isolation of a mRNA that encodes a putative intestinal alkaline phosphatase regulated by 1,25-dihydroxyvitamin D-3
Abstract
Using differential hybridization techniques to screen a rat intestinal cDNA library we isolated a cDNA whose predicted amino acid sequence exhibits a high degree of homology to the alkaline phosphatases. The predicted cDNA sequence has 79% identity at the amino acid level to the rat intestinal alkaline phosphatase, and shows approx. 70% homology to other human and rat alkaline phosphatases. The corresponding mRNA is markedly increased by 6 h after a single dose of 1,25-dihydroxyvitamin D-3. The mRNA is also increased by 24-homologated analogs of 1,25-dihydroxyvitamin D-3 that do not increase calcium transport.
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