Growth Inhibition of Sympathetic Cells by Some Adrenergic Blocking Agents

  1. Pietro U. Angeletti and
  2. Rita Levi-Montalcini
  1. Laboratorio di Biologia Cellulare, C.N.R., Via Romagnosi 18A, 00196 Rome, Italy
  2. Instituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy

Abstract

Treatment of newborn mice and rats with the adrenergic blocking agents, guanethidine and bretylium tosylate, results in massive destruction of immature sympathetic nerve cells. A growth inhibition of the same cells is caused by reserpine. Similarities and differences between the effects elicited by these three ganglion blocking agents and a dopamine analog, 6-hydroxydopamine, are discussed.

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