Identification of rare variants in the FBXO38 gene of patients with chronic inflammatory demyelinating polyradiculoneuropathy
Résumé
Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) is a rare immune-mediated neuropathy for which there is no clearly identified risk factor. The present study identified rare variants in the FBXO38 gene in three familial cases of CIDP with response to corticosteroids in three generations with incomplete penetrance, and in an unrelated fourth case with diffuse nerve hypertrophy. FBXO38 may be involved in the regulation of the immunity mediated by CD8 T cells, which have an important role in CIDP pathophysiology, through PD1 degradation. Considering these findings, FBXO38 should be investigated as a potential genetic factor in larger cohorts of patients with CIDP.
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