15257
Functional characterization revealed that the specificity protein / Kr u ppel - like factor Sp1 binding site in the proximal promoter is involved in basal activity and that the cAMP response element - binding site is involved in cAMP stimulation of Acsl4 transcription .
 Chemical: cAMP; Chemical: cAMP
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: cAMP; Chemical: cAMP