VITAMIN D3-STIMULATED TEMPLATE ACTIVITY OF CHROMATIN FROM RAT INTESTINE*

AUTOR(ES)

Hallick, Richard B.

RESUMO

Administration of vitamin D to rats deficient in this vitamin markedly increases the template activity for DNA-dependent RNA synthesis by rat intestinal mucosal chromatin. The maximum stimulation of template activity occurs three hours after a dose of 2000 international units of vitamin D3 is given. These results support the concept that vitamin D functions by initiating the transcription of DNA into mRNA, which codes for functional protein(s) involved in calcium transport in the small intestine.

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