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Vitamin B12 Deficiency

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Neurology

Anti-CD320 Autoantibodies Unveil a Novel Mechanism of CNS Vitamin B12 Deficiency in Idiopathic Myelopathy

Discovery of anti-CD320 autoantibodies links autoimmune vitamin B12 deficiency to idiopathic myelopathy, revealing a distinct clinical and radiographic profile with promising treatment implications.

Aug 19, 2026
Diabetes & Endocrinology

Genetic Variant in CUBN Gene Identified as Key Risk Factor for Metformin-Induced Vitamin B12 Deficiency

Researchers have identified a genetic variant in the cubilin gene (CUBN, rs1801222) that significantly increases the risk of metformin-induced vitamin B12 deficiency, with carriers of the AA genotype experiencing deficiency up to twice as f

Apr 17, 2026

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