Understanding CD79a: Normal vs Optimal Ranges
Also known as: cd79a, cluster of differentiation 79a, b-cell antigen receptor complex-associated protein alpha
?What is CD79a?
CD79a is a protein component of the B-cell receptor complex that plays a critical role in B-cell development, activation, and immune response. It is expressed on the surface of B lymphocytes and is essential for signal transduction when the B-cell receptor engages with antigens. CD79a is commonly used as a marker in flow cytometry and immunohistochemistry to identify and characterize B-cell populations in peripheral blood and lymphoid tissues.
!Why It Matters
CD79a expression patterns can help clinicians identify abnormalities in B-cell populations and may suggest conditions such as B-cell lymphomas, leukemias, or immunodeficiencies. Altered CD79a levels or expression can be associated with dysregulated immune function and may indicate the need for further investigation of hematologic or immune disorders. Monitoring CD79a is particularly valuable in cancer diagnosis, prognosis, and tracking treatment response in B-cell malignancies.
Reference Ranges
| Range Type | Min | Max | Unit | Note |
|---|---|---|---|---|
| Lab Normal | — | — | — | Standard lab reference range |
| Optimal | — | — | — | Evidence-based optimal range for health |
| Longevity Target | — | — | — | Per longevity medicine research (Attia et al.) |
Lab normal ranges may vary between laboratories. Optimal and longevity targets are based on research literature and should be interpreted with your physician.
Symptoms of Imbalance
- Recurrent infections
- Unexplained lymphadenopathy (enlarged lymph nodes)
- Persistent fatigue
- Unexplained weight loss
- Night sweats
How to Improve Your Levels
- 1Work with an immunologist or hematologist to address underlying B-cell disorders
- 2Ensure adequate nutrition, particularly protein, zinc, and vitamin D to support immune function
- 3Maintain consistent sleep patterns to support immune cell development and function
- 4Manage stress through meditation, yoga, or counseling to help regulate immune responses
- 5Follow prescribed treatment protocols if a B-cell malignancy or immunodeficiency is diagnosed
- 6Avoid unnecessary infections through good hygiene and vaccination when appropriate
When to Test
CD79a testing is typically ordered when evaluating abnormal B-cell populations, investigating lymphomas or leukemias, assessing immunodeficiencies, or monitoring treatment response in B-cell malignancies. It may also be performed during initial hematologic workup for unexplained lymphadenopathy, persistent infections, or abnormal complete blood count findings.
Related Biomarkers
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