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. 1972 Jul;69(7):1883–1886. doi: 10.1073/pnas.69.7.1883

Dopamine-β-Hydroxylase Activity in Mouse Neuroblastoma Tumors and in Cell Cultures

Berta Anagnoste *, Lewis S Freedman *, Menek Goldstein *, John Broome *, Kjell Fuxe †
PMCID: PMC426824  PMID: 4505666

Abstract

Dopamine-β-hydroxylase activity is present in mouse neuroblastoma C-1300 tumors. The activity is proportional to the weight of the tumor. Serum activity is markedly increased in mice that bear the tumors. Treatment of mice with 5-bromodeoxyuridine causes marked inhibition of tumor growth and decrease of dopamine-β-hydroxylase activity in the serum. The histochemical studies reveal that 1-5% of the cells in mouse C-1300 neuroblastoma tumors contain catecholamines and that catecholamine-containing processes terminate mainly around blood vessels of the tumor. Dopamine-β-hydroxylase is present in clonal neuroblastoma cell lines. The cell line with the greater tendency to form axon-like processes has a higher activity of this enzyme.

Keywords: 5-bromodeoxyuridine, catecholamines, norepinephrine

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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