26746
A 3 - month subcutaneous treatment of APPsw + / 0 mice with LRPIV - D3674G ( 40 mu g / kg / day ) reduced A beta 40 and A beta 42 levels in the hippocampus , cortex and cerebrospinal fluid by 60 - 80 % , and improved cerebral blood flow responses and hippocampal function at 9 months of age .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None