1948
We have generated a polyclonal antibody against a peptide from a unique region within retinoschisin , which detects a protein of approximately 28 kDa in retinal samples reduced with dithiothreitol , but multimers sized > 40 kDa under non - reducing conditions .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities:  
Answer:
 None