8437
Although Csb ( - / - ) neural precursors do not exhibit altered neuronal lineage commitment after low - dose UV ( 1J / m ( 2 ) ) in vitro , neurons differentiated in vitro from Csb ( - / - ) neural precursors that had been irradiated with 1J / m ( 2 ) UV exhibited defective neurite outgrowth .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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