10100
Compared to the HC group , aqueous Mate tea extract significantly reduced endothelin ( ET ) and thromboxane B ( 2 ) ( TXB ( 2 ) ) levels and increased nitric oxide ( NO ) and 6 - keto prostaglandin F ( 1 alpha ) ( 6 - keto - PGF ( 1 alpha ) ) levels in the blood , reduced the pathological damage of vascular endothelial cells , decreased intercellular adhesion molecule - 1 ( ICAM - 1 ) protein expression in the thoracic aorta , and upregulated mRNA expression of hepatic low density lipoprotein receptor ( LDLR ) and scavenger receptor B1 ( SR - B1 ) .
 thromboxane B ( 2 ), TXB ( 2 ), nitric oxide, NO, 6 - keto prostaglandin F ( 1 alpha ), 6 - keto - PGF ( 1 alpha )
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 thromboxane B ( 2 ), TXB ( 2 ), nitric oxide, NO, 6 - keto prostaglandin F ( 1 alpha ), 6 - keto - PGF ( 1 alpha )