Article Dans Une Revue Clinical Nutrition Année : 2025

Is blood vitamin B6 a marker of interest for individualized psoriasis disease care management in cardiovascular disease prevention?

Résumé

Psoriasis disease (PsD) is an immune-mediated inflammatory disease (IMID) associated with comorbidities, as cardiovascular diseases (CVD). Several factors have been identified as trigger for CVD in PsD. As for other IMID, we propose to investigate the role of vitamin B6 (B6) in hyperhomocystinemia and cardiovascular risk management in order to individualize PsD care psoriasis. B6 deficiencies are described for other IMID such as rheumatoid arthritis. An increased consumption of B6 on the tryptophan/kynurenine pathway of T-lymphocytes is one of the principal mechanism leading to a decrease in B6 status. Then low B6 status is a hallmark of disease activity but is also associated with impaired clearance of homocysteine, which accumulating and increasing the risk of CVD. Management of B6 deficiency still needs to be explored in PsD care management. There is limited data available on the benefits of repletion, even for other IMID. Repletion should be individualized based on the patient's B6 status but also on PsD severity. Indeed, aiming physiological B6 status could be relevant in order to prevent hyperhomocysteinemia and, consequently, CVD.

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Dates et versions

hal-05529899 , version 1 (27-02-2026)

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David Metsu, Cristina Bulai-Livideanu, Elise Deveza, Fatma Jendoubi, Laurie Frances, et al.. Is blood vitamin B6 a marker of interest for individualized psoriasis disease care management in cardiovascular disease prevention?. Clinical Nutrition, 2025, 52, pp.113-115. ⟨10.1016/j.clnu.2025.07.023⟩. ⟨hal-05529899⟩
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