3327
Pharmacological desympathization leads to the development of hyper - reactivity of the true pacemakers to noradrenaline and dopamine and triggers off changes in the regulation of the electric activity of these cells by catecholamines .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None