Vitamin D and retinoblastoma. The presence of receptors and inhibition of growth in vitro

A. M. Saulenas, S. M. Cohen, L. L. Key, C. Winter, Daniel Albert

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The vitamin D receptor has been found in several human organs not involved in calcium metabolism and in several malignant neoplasms found in humans. The role of the receptor in these tissues is unclear. There is, however, a relationship between the presence and quantity of the vitamin D receptor in a malignant cell line and the antineoplastic effect of vitamin D on that cell line. We found that Y-79 retinoblastoma cells have receptors specific for calcitriol (1,25-dihydroxycholecalciferol). Scatchard analysis of the receptor data shows a quantity of 56,000 receptors per retinoblastoma cell. These receptors have a dissociation constant of 1.18 nmol/L. Retinoblastoma cells treated with 10-9 mol/L of calcitriol for nine days had 15% less cell growth than the control cells. Further studies of the effect of vitamin D on retinoblastoma may warrant its inclusion in chemotherapeutic protocols for the treatment of this childhood affliction.

Original languageEnglish (US)
Pages (from-to)533-535
Number of pages3
JournalArchives of ophthalmology
Volume106
Issue number4
DOIs
StatePublished - Jan 1 1988
Externally publishedYes

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Retinoblastoma
Vitamin D
Calcitriol Receptors
Growth
Calcitriol
Cell Line
Clinical Protocols
Antineoplastic Agents
In Vitro Techniques
Calcium
Neoplasms

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Vitamin D and retinoblastoma. The presence of receptors and inhibition of growth in vitro. / Saulenas, A. M.; Cohen, S. M.; Key, L. L.; Winter, C.; Albert, Daniel.

In: Archives of ophthalmology, Vol. 106, No. 4, 01.01.1988, p. 533-535.

Research output: Contribution to journalArticle

Saulenas, A. M. ; Cohen, S. M. ; Key, L. L. ; Winter, C. ; Albert, Daniel. / Vitamin D and retinoblastoma. The presence of receptors and inhibition of growth in vitro. In: Archives of ophthalmology. 1988 ; Vol. 106, No. 4. pp. 533-535.
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