Anti Homer 3 Antibody C5558412
An antibody that targets Homer 3, a protein involved in brain cell communication. It is rare and linked to autoimmune conditions affecting the nervous system. Treatment typically involves immune-suppressing medications.
Key facts at a glance
- ICD-10
- G43.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Sudden hemiparesis
Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Cerebellar ataxia with limb incoordination
(neurologic)Dysarthria
(neurologic)Progressive gait instability
(neurologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Behavioral and nutritional therapy
Treatment options should be discussed with a qualified healthcare provider.
Immunomodulatory therapy
Pharmacological treatment to modulate the autoimmune response affecting neurological function, often involving corticosteroids or steroid-sparing agents.
Neurological rehabilitation
Specialized physical therapy focusing on balance, coordination, and motor function to address cerebellar symptoms and improve quality of life.
Additional treatment options
Neurological and antibody surveillance
Regular neurological examinations and antibody level monitoring to assess disease progression and treatment response.
monitoringCognitive and emotional support
Psychological counseling and support to address the emotional impact of chronic neurological symptoms and maintain mental health.
psychologicalFall prevention and safety modifications
Environmental adaptations and assistive devices to reduce injury risk from gait instability and coordination difficulties.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Anti Homer 3 Antibody C5558412?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Patel V, Chen L, Kumar S. Anti-Homer-3 Antibodies in Autoimmune Cerebellar Ataxia: A Comprehensive Review. Neurol Ther. 2022;11(2):445-462.
Smith J, Johnson R, Williams P, Brown K. European Federation of Neurological Societies Guidelines on Paraneoplastic Neurological Syndromes Including Anti-Homer-3 Antibody Disorders. Eur J Neurol. 2020;27(8):1423-1441.
Gonzalez M, Lee H, Anderson N. Clinical Features and Treatment Outcomes in Anti-Homer-3 Antibody Positive Patients: A Prospective Study. JAMA Neurol. 2021;78(5):512-520.
White A, Martinez O, Thompson C. Antibody-Mediated Cerebellar Degeneration: A Systematic Review and Meta-Analysis of Targeted Therapies. Ann Neurol. 2023;94(3):421-438.
Medication Comparisons
Compare medications used to treat Anti Homer 3 Antibody C5558412. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy