The subcellular distribution of physiological doses of vitamin D3

Mark R Haussler, Anthony W. Norman

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

When physiological doses of tritiated vitamin D3 are administered to rachitic chicks, the small intestine accumulates a large portion of the dose. The subcellular distribution of the 3H-vitamin D3 within the intestinal mucosa cells shows the radioactivity to be primarily associated with the nuclear fraction. The radioactivity is retained in this fraction when it is purified by sedimentation in 2 m sucrose. In vitro incubation of 3H-vitamin D3 with homogenates of vitamin D-deficient and normal chick mucosa cells indicates a selective binding of the vitamin to the nuclear fraction derived from the rachitic chicks.

Original languageEnglish (US)
Pages (from-to)145-153
Number of pages9
JournalArchives of Biochemistry and Biophysics
Volume118
Issue number1
StatePublished - Jan 1967
Externally publishedYes

Fingerprint

Cholecalciferol
Rickets
Radioactivity
Intestinal Mucosa
Sedimentation
Vitamin D
Vitamins
Small Intestine
Sucrose
Mucous Membrane

ASJC Scopus subject areas

  • Molecular Biology
  • Biophysics
  • Biochemistry

Cite this

The subcellular distribution of physiological doses of vitamin D3. / Haussler, Mark R; Norman, Anthony W.

In: Archives of Biochemistry and Biophysics, Vol. 118, No. 1, 01.1967, p. 145-153.

Research output: Contribution to journalArticle

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