Signs and Symptoms of Alpha-Mannosidosis, Featuring Reid Sutton, MD
Update: 2023-12-20
Description
This is the second of a four-part series focusing on alpha-mannosidosis. In this episode, we talk with Dr. Reid Sutton on the challenges of recognizing this rare disease, focusing on the signs and symptoms. Dr. Sutton is a Clinical Geneticist and a Clinical Biochemical Geneticist at Baylor College of Medicine and Texas Children’s Hospital in Houston.
Alpha-mannosidosis is a rare genetic disorder characterized by a deficiency of the enzyme alpha-D-mannosidase. Alpha-mannosidosis is best thought of as a continuum of disease that is generally broken down into three forms: a mild, slowly progressive form (type 1); a moderate form (type 2); and a severe, often rapidly progressive and potentially life-threatening form (type 3).
The symptoms and severity of the disorder are highly variable. Signs may include distinctive facial features, skeletal abnormalities, hearing loss, intellectual disability, and dysfunction of the immune system. Alpha-mannosidosis is caused by mutations of the MAN2B1 gene. This genetic mutation is inherited as an autosomal recessive trait.
Alpha-mannosidosis is a rare genetic disorder characterized by a deficiency of the enzyme alpha-D-mannosidase. Alpha-mannosidosis is best thought of as a continuum of disease that is generally broken down into three forms: a mild, slowly progressive form (type 1); a moderate form (type 2); and a severe, often rapidly progressive and potentially life-threatening form (type 3).
The symptoms and severity of the disorder are highly variable. Signs may include distinctive facial features, skeletal abnormalities, hearing loss, intellectual disability, and dysfunction of the immune system. Alpha-mannosidosis is caused by mutations of the MAN2B1 gene. This genetic mutation is inherited as an autosomal recessive trait.
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