Short answer · Medically reviewed summary · Last updated: 2023-07-13
MDR3 Deficiency is a rare genetic disorder that affects the liver's ability to secrete bile into the digestive system. It is caused by mutations in the ABCB4 gene, which encodes the multidrug resistance protein 3 (MDR3).
What is the prevalence of MDR3 Deficiency?
Prevalence of MDR3 Deficiency: how many people are affected worldwide, differences by sex and region, with sources.
MDR3 Deficiency is a rare genetic disorder that affects the liver's ability to secrete bile into the digestive system. It is caused by mutations in the ABCB4 gene, which encodes the multidrug resistance protein 3 (MDR3). This protein is responsible for transporting phospholipids into bile, a crucial component for the formation of bile acids.
The prevalence of MDR3 Deficiency varies among different populations. In general, it is considered to be a rare condition. Studies have estimated the prevalence to be around 1 in 50,000 to 1 in 100,000 individuals worldwide. However, the prevalence may be higher in certain regions or populations with a higher frequency of specific gene mutations.
MDR3 Deficiency can present in infancy, childhood, or adulthood, with symptoms ranging from mild to severe. These may include jaundice, itching, fatigue, abdominal pain, and liver dysfunction. Diagnosis typically involves genetic testing and evaluation of liver function.
Although MDR3 Deficiency is a rare disorder, early detection and appropriate management are crucial for preventing complications and improving outcomes. Treatment options may include medications to improve bile flow, liver transplantation in severe cases, and supportive care to manage symptoms and maintain liver function.
