1668
The specific effects of glucose deprivation on oxidative pentose phosphate cycle ( OPPC ) function , thiol homeostasis , protein function and cell survival remain unclear due to lack of a glucose - sensitive chemical probe .
 glucose, pentose phosphate, thiol, glucose
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 glucose, pentose phosphate, thiol, glucose