Daijiworld Media Network - New Delhi

New Delhi, Mar 18: Gaucher disease is a rare inherited disorder in which fatty substances accumulate inside certain cells, gradually damaging organs such as the spleen, liver and bones. The condition occurs due to a deficiency of the enzyme glucocerebrosidase, which normally helps break down specific fatty molecules. When this enzyme is lacking, these fatty substances build up within cells, particularly in the liver, spleen and bone marrow, eventually affecting the normal functioning of these organs.

Medical experts say the disorder may be more widespread than commonly believed. According to neurologist Dr. Furqan Khan, nearly one in every 100 people worldwide may carry a mutation in the GBA gene responsible for Gaucher disease. However, many individuals remain unaware for years because the symptoms often resemble more common blood or liver conditions. As a result, the disease frequently goes undiagnosed or is discovered only after complications develop.

Neurologist Dr. Sachin Adukia explains that Gaucher disease is the most common lysosomal storage disorder globally, yet awareness about it remains limited outside specialised medical fields. In this condition, lipid-filled immune cells called macrophages infiltrate different organs in the body, causing a wide range of systemic symptoms.

In recent years, Gaucher disease has also drawn attention in neurological research. Studies have shown that mutations in the same GBA gene responsible for the disease are among the strongest genetic risk factors for Parkinson’s disease. This finding has significantly changed how scientists understand neurodegenerative disorders. Even people who carry the mutation but do not develop Gaucher disease themselves may have an increased likelihood of experiencing Parkinson-like symptoms later in life.

One of the biggest challenges in diagnosing Gaucher disease is that its symptoms are often vague and easily mistaken for other illnesses. Patients may experience an enlarged liver or spleen, anemia, low platelet counts, persistent fatigue, bone pain, or frequent fractures. In children, the disorder may appear as delayed growth or unexplained swelling in the abdomen. Because these symptoms are not unique to Gaucher disease, patients may spend years undergoing treatment for other conditions before receiving the correct diagnosis.

The disease is inherited in an autosomal recessive pattern, meaning a child develops the condition only if both parents carry the defective gene. This makes genetic counselling and family screening important once a case is identified, especially in countries like India where awareness among both doctors and the public is still developing.

Doctors classify Gaucher disease into three main types. Type 1, the most common form, mainly affects the spleen, liver and bones and usually does not involve the nervous system. Type 2 is a severe form that affects infants and leads to rapid neurological deterioration. Type 3 involves both systemic symptoms and progressive neurological problems. More than 90 percent of diagnosed cases belong to Type 1.
Early diagnosis plays a crucial role because effective treatments are available today. Therapies such as enzyme replacement therapy and substrate reduction therapy can reduce organ enlargement, improve blood counts, relieve symptoms and significantly enhance quality of life. When treatment begins at an early stage, it can also prevent many long-term complications associated with the disease.