Symptoms of QDPR Gene Hyperphenylalaninemia BH4 Deficient Type C Hyperphenylalaninemia BH4 deficient type C, caused by mutations in the QDPR gene, is a rare genetic disorder. This condition affects the body’s ability to process the amino acid phenylalanine, leading to an accumulation that can be toxic to the brain and other organs. Understanding the symptoms […]











