Abstract
In the search for new compounds that might, once incorporated into biomaterials, stimulate the natural processes of bone regeneration, a new series of silicon-containing alkyl nucleobase analogues has been synthesized. An active hypoxanthine transport process in human osteoblasts was demonstrated, with an apparent Michaelis constant of 2.3 microM and a maximum possible rate of 0.47 pmol s(-1) x 10(6) cell. The synthesized analogues were tested for toxicity in human osteoblasts. Nontoxic analogues were tested in competition transport studies with [(14)C]hypoxanthine. Two of them were found to inhibit the active transport of hypoxanthine in human osteoblasts, with IC(50) values of 6.5 and 11.6 microM.
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Schedule a callMore From: Chembiochem : a European journal of chemical biology
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