Task: Answer Verification
Input (English): Question: Is a common variant in RAB27A gene associated with fractional exhaled nitric oxide levels in adults?
Answer: This study identified a common variant located in RAB27A gene influencing FeNO levels specifically in adults and with a biological relevance to the regulation of FeNO levels. This study provides new insight into the biological mechanisms underlying FeNO levels in adults.
Output (English): yes