10504
The hypoxia - induced accumulation and translocation of HIF - 1 alpha into nuclei were not observed in HeLa cells treated with compounds 1 and 2 by immunofluorescence analysis , revealing that the inhibition of hypoxia - induced HIF - 1 transcriptional activity is induced by compounds 1 and 2 through a degradation pathway of the HIF - 1 alpha protein under hypoxic conditions .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None