11239
However , endosomes and lysosomes of Mtmr13 ( - / - ) and Mtmr2 ( - / - ) Schwann cells are morphologically indistinguishable from those of controls , indicating that loss of these proteins does not cause wholesale dysregulation of the endo - lysosomal system .
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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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