13090
As a striking example , mutations in the gene coding for antiquitin , an evolutionary old aldehyde dehydrogenase , result in pyridoxine - dependent seizures , owing to the accumulation of a metabolic intermediate that inactivates PLP .
 aldehyde, pyridoxine, PLP
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 aldehyde, pyridoxine, PLP