Transfection of human lactotroph adenoma cells with an adenovirus vector expressing tyrosine hydroxylase decreases prolactin release

Andrew Freese, Matthew J. During, Beverly L. Davidson, Thomas A. Gennarelli, Michael G. Kaplitt, Eugene S. Flamm, Peter J. Snyder

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Pituitary adenomas are common intracranial neoplasms, for which surgery and radiation are usually not curative. In attempting to develop gene therapy as a better approach to treating pituitary adenomas, we chose lactotroph adenomas as a model. The rationale for the use of this model is based on the observation that dopamine agonists decrease prolactin secretion by lactotroph adenomas, and also decrease their size. We transfected primary cultures of human lactotroph adenoma cells with an adenovirus vector containing a cDNA which encodes a human tyrosine hydroxylase, the rate-limiting enzyme in the biosynthesis of dopamine. Transfection induced expression of tyrosine hydroxylase and increased production of dopamine, resulting in the predicted biologic effect of decreased prolactin secretion. These results demonstrate the potential for gene therapy of lactotroph adenomas and perhaps other pituitary adenomas, which are less amenable to pharmacologic treatment than lactotroph adenomas.

Original languageEnglish (US)
Pages (from-to)2401-2404
Number of pages4
JournalJournal of Clinical Endocrinology and Metabolism
Volume81
Issue number6
DOIs
StatePublished - 1996
Externally publishedYes

Fingerprint

Prolactinoma
Gene therapy
Tyrosine 3-Monooxygenase
Adenoviridae
Prolactin
Transfection
Dopamine
Pituitary Neoplasms
Biosynthesis
Dopamine Agonists
Surgery
Complementary DNA
Genetic Therapy
Radiation
Enzymes
Brain Neoplasms

ASJC Scopus subject areas

  • Biochemistry
  • Endocrinology, Diabetes and Metabolism

Cite this

Transfection of human lactotroph adenoma cells with an adenovirus vector expressing tyrosine hydroxylase decreases prolactin release. / Freese, Andrew; During, Matthew J.; Davidson, Beverly L.; Gennarelli, Thomas A.; Kaplitt, Michael G.; Flamm, Eugene S.; Snyder, Peter J.

In: Journal of Clinical Endocrinology and Metabolism, Vol. 81, No. 6, 1996, p. 2401-2404.

Research output: Contribution to journalArticle

Freese, Andrew ; During, Matthew J. ; Davidson, Beverly L. ; Gennarelli, Thomas A. ; Kaplitt, Michael G. ; Flamm, Eugene S. ; Snyder, Peter J. / Transfection of human lactotroph adenoma cells with an adenovirus vector expressing tyrosine hydroxylase decreases prolactin release. In: Journal of Clinical Endocrinology and Metabolism. 1996 ; Vol. 81, No. 6. pp. 2401-2404.
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