PMID: 2125097Jan 1, 1990Paper

Modulation of in situ murine neuroblastoma tumor growth by the adrenergic nervous system: differential response of clonal cell lines to chemical sympathectomy

Life Sciences
P T Horn, B L Mirkin

Abstract

The in situ growth characteristics of C-1300, N1E-115 and NS20Y murine neuroblastoma (MNB) tumor cell lines were compared in normal and sympathectomized A/J mice. Adrenergic nerve ablation was produced in neonatal mice by administration of 6-hydroxydopamine (6-OHDA) at a dose of 100 micrograms/gm body weight on post-natal days 4, 6, 8 and 10; controls received equivalent volumes of the vehicle solution (0.9% NaCl/0.1% Ascorbic Acid). All mice were inoculated subcutaneously with 10(6) viable MNB cells four to six weeks after treatment with 6-OHDA or vehicle. The growth rates of tumors produced by the adrenergic MNB cell lines, C-1300 and N1E-115, were significantly lower in sympathectomized mice when compared to control animals. In contrast, tumors induced by the cholinergic MNB cell line, NS20Y, grew at similar rates in both sympathectomized and control mice. All tumors obtained from control and sympathectomized mice regardless of whether they derived from cell lines characterized as cholinergic (NS20Y) or adrenergic (C-1300, N1E-115), contained both norepinephrine and dopamine. Depletion of adrenergic neurotransmitter in A/J mice was induced by administration of reserpine (5-10 micrograms/kg/day) beginning 30 days prior to imp...Continue Reading

References

Nov 1, 1970·Proceedings of the National Academy of Sciences of the United States of America·S BatkinE Wildman

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Citations

Aug 29, 2012·Cancer Science·Hideyo MiyatoJoji Kitayama

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