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Indian J Dermatol. 2014 Nov;59(6):630. doi: 10.4103/0019-5154.143567.

Evaluation of Serum Homocysteine, High-Sensitivity CRP, and RBC Folate in Patients with Alopecia Areata.

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Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Conjoint Faculty Member, University of New South Wales, Sydney, Australia.
Department of Dermatology, Razi Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran.



Alopecia areata (AA) is a common type of hair loss with an autoimmune basis. As the role of homocysteine (Hcys), folate, and CRP has been considered in some autoimmune diseases.


To evaluate homocysteine, folate and CRP level in AA.


This study was performed on 29 patients who had AA for at least 6 months affecting more than 20% of scalp, and 32 healthy controls. Levels of serum Hcys, blood high-sensitivity CRP, and RBC folate were measured in all subjects.


The mean level of RBC folate was significantly lower in the patient group than that in controls (P < 0.001). Also, the level of RBC folate was significantly lower in patients with extensive forms of disease (alopecia totalis/alopecia universalis) in comparison with more localized form (patchy hair loss) (P < 0.05). Patients with higher "Severity of Alopecia Total" (SALT) score had lower RBC folate, as well. Serum Hcys and blood high-sensitivity CRP levels did not show a significant difference in two groups.


Patients with alopecia areata have lower level of RBC folate which is in negative correlation with both severity and extension of AA.


Alopecia areata; C-reactive protein; folate; homocysteine

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