LRBA deficiency

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Obesity, Sleep & Internal medicine
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LRBA deficiency
File:Autosomal recessive - en.svg
Synonyms	Lipopolysaccharide-responsive and beige-like anchor protein deficiency
Pronounce	N/A
Specialty	N/A
Symptoms	Recurrent infections, autoimmune disorders, hypogammaglobulinemia, lymphoproliferation
Complications	Organ damage, chronic lung disease, enteropathy
Onset	Childhood
Duration	Lifelong
Types	N/A
Causes	Mutations in the LRBA gene
Risks	Family history of the condition
Diagnosis	Genetic testing, immunological assays
Differential diagnosis	Common variable immunodeficiency, X-linked agammaglobulinemia
Prevention	N/A
Treatment	Immunoglobulin replacement therapy, immunosuppressive therapy, hematopoietic stem cell transplantation
Medication	N/A
Prognosis	Variable, depends on severity and treatment
Frequency	Rare
Deaths	N/A

File:LRBA and CTLA4.jpg

LRBA Deficiency is a rare genetic disorder characterized by immune dysregulation and autoimmunity. It is caused by mutations in the LRBA gene, which is involved in the regulation of the immune system. The condition is inherited in an autosomal recessive manner.

Symptoms and Signs

The symptoms of LRBA deficiency can vary widely among affected individuals. They may include recurrent infections, autoimmune disorders, and lymphoproliferation. Some individuals may also have non-immunological features such as developmental delay, failure to thrive, and organomegaly.

Causes

LRBA deficiency is caused by mutations in the LRBA gene. This gene provides instructions for making a protein that is involved in the regulation of the immune system. Mutations in the LRBA gene disrupt the normal function of the immune system, leading to immune dysregulation and autoimmunity.

Diagnosis

The diagnosis of LRBA deficiency is based on the clinical symptoms, laboratory findings, and confirmed by genetic testing. The genetic testing involves sequencing of the LRBA gene to identify mutations.

Treatment

The treatment of LRBA deficiency is aimed at managing the symptoms and preventing complications. This may include immunosuppressive therapy, immunoglobulin replacement therapy, and in severe cases, hematopoietic stem cell transplantation.

Prognosis

The prognosis of LRBA deficiency varies among affected individuals. It depends on the severity of the symptoms and the response to treatment.

See Also

• Autoimmune diseases
• Genetic disorders
• Immunodeficiency