Marisa Wexler, MS,  senior science writer—

A new online resource, called AADC Insights, aims to make it easier for healthcare professionals to diagnose and care for people with aromatic l-amino acid decarboxylase (AADC) deficiency. AADC deficiency is an extremely rare condition caused by mutations in the DDC gene, resulting in a lack of a…

The science behind viral gene therapy — which may hold a potential cure in a single treatment for genetic diseases such as aromatic l-amino acid decarboxylase (AADC) deficiency — was highlighted in a recent review. The study, “Current Clinical Applications of In Vivo Gene Therapy with AAVs,” was…

Screening genomic databases for disease-causing mutations could help identify people with possible aromatic l-amino acid decarboxylase (AADC) deficiency or other rare diseases, a study suggests. The findings were shared in a poster (no. 087), “Identification of individuals with likely AADC deficiency based on DDC variation in…

The National Organization for Rare Disorders (NORD)’s RareLaunch training program will host two days of free virtual workshops in December, with the aim of empowering leaders to start non-profit organizations and research programs to help people with rare diseases.  “The RareLaunch program is…

A majority of rare disease patients using telehealth during the COVID-19 pandemic thought the experience positive, and many would like the option of continuing its use in future appointments, a series of surveys found. The surveys were conducted by the National Organization for Rare Disorders (NORD) and involved more than 800…

Massachusetts is holding its first-ever AADC Deficiency Awareness Day on Oct. 23, according to a press release from PTC Therapeutics, developer of a gene therapy for aromatic l-amino acid decarboxylase (AADC) deficiency. The day, recently designated AADC Deficiency Awareness Day in a resolution  passed by Massachusetts…

Changes in the activity of the enzyme aromatic l-amino acid decarboxylase (AADC) can be assessed through a high-resolution imaging technology called FMT-PET, a new study has confirmed. The study also showed that measuring changes in AADC activity in the brain by FMT-PET — an abbreviation for 6-fluoro-meta-tyrosine positron emission tomography —…

Two previously unknown gene mutations that cause aromatic L-amino acid decarboxylase (AADC) deficiency have been identified in two siblings whose cases were described in a new report. The mutations were found in the DDC gene in the African American sisters. Titled “Case report: discovery of 2…

A range of disease presentations, and of underlying genotypes, were observed in a study of aromatic l-amino acid decarboxylase (AADC) deficiency cases in mainland China. These findings broaden the known clinical signs associated with AADC deficiency, and they hint at connections between genotypes and disease course. The study, “…

Mutations discovered in the past five years that cause aromatic amino acid decarboxylase (AADC) deficiency affect the functioning of the AADC protein in previously unappreciated ways, namely promoting aggregation and preventing interactions among AADC protein pairs, a molecular study demonstrates. The new mechanisms identified in the study light the…