- Temperature-dependent alteration of 1,25-dihydroxy-vitamin D3 receptor macromolecules in MC3T3-E1 cells: affinity of hexafluoro analog of 1,25-dihydroxyvitamin D3, ST-630, for these forms. Tanaka, M., Muramatsu, M., Higuchi, S., Otomo, S. Res. Commun. Mol. Pathol. Pharmacol. (1994)