21529
This study was designed to test the rapid effects of 17 beta - estradiol ( E2 ) or its membrane - impermeable form conjugated with bovine serum albumin ( E2BSA ) on glucose uptake in a positive estrogen receptor ( ER ) breast cancer cell line , through the possible relationship between key components of the PI3K / Akt signaling pathway and acute steroid treatment .
 Chemical: 17 beta - estradiol; Chemical: glucose; Chemical: estrogen; Chemical: steroid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: 17 beta - estradiol; Chemical: glucose; Chemical: estrogen; Chemical: steroid