
Researchers have identified a form of B12 deficiency caused by autoantibodies that specifically affects the central nervous system, which may represent a new autoimmune disease.


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An autoantibody targeting CD320 is thought to impair the transport of B12 across the blood-brain barrier by targeting receptors on the cell surface, ultimately leading to B12 deficiency.

Form of B12 Deficiency in CNS May Be New Autoimmune Disease

discovery-of-a-novel-autoimmune-mediated-form-of-vitamin-b12-deficiency-affecting-the-central-nervous-system


Discovery of a Novel Autoimmune-Mediated Form of Vitamin B12 Deficiency Affecting the Central Nervous System
