9768
Here we did not only observe the expected increase of Fgf23 expression in the latter ones , but also a differential expression of genes that are either induced by or involved in retinoic acid signaling , which led us to analyze whether dietary retinol deprivation would influence the phenotype of Hyp mice .
 Chemical: retinoic acid; Chemical: retinol
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: retinoic acid; Chemical: retinol