Serum Homocysteine Level and MTHFR C677T, A1298C Gene Polymorphism in Korean Schizophrenics

OBJECTIVES: Recently in schizophrenia high incidence of MTHFR(methylenetetrahydrofolate reductase), which is a main relating enzyme that reduce homocysteine level, genetic variations were reported. So we examined serum homocysteine level and MTHFR gene polymorphism in Korean schizophrenics. METHOD: We compared serum homocysteine level and MTHFR polymorphism between 235 schizophrenics (100male, 135female) and 235 normal controls(100male, 135female). C677T and A1298C polymorphism of MTHFR gene were analyzed. RESULTS: 1) C677T genetic mutation(CT and TT) were more frequent in schizophrenia group than normal control group(p<0.01). But the difference of A1298C mutation frequency was not found between two groups. 2) In schizophrenia patients, TT genotype of C677T mutation showed significantly higher homocysteine level (29.99uM/L) than other group(CT : 13.34uM/L, CC : 9.34uM/L p<0.01). 3) MTHFR 677 TT homogeneous mutation genotype showed two times more risk(odds ratio=2.15) than 677CC normal genotype in schizophrenia. CONCLUSION: Some schizophrenia patients with high homocysteine serum level may have C677T TT genotype. In that case, folate ingestion could be a good management for clinical improvement.

Alexithymia in Patients with Alopecia Areata / 신경정신의학

OBJECTIVES: Alexithymia has been regarded as the general personality of psychosomatic disease, but it's controversial. The object of the study is to find out the relationship between alexithymia and alopecia areata. METHODS: Thirty one alopecia areata patients were compared to 31 normal healthy persons in alexithymic tendency using TAS-20K. Also MMPI and SCL-90-R were checked in both groups. Psychiatric diseases were ruled out. RESULTS: The scores of F, K, Hs, D, Hy, Pd, Pa, Pt and Sc of MMPI in alopecia areata patients were different from those in normal healthy persons. The scores of SOM, O-C, I-S, DEP, ANX, HOT, PHOB, PAR, PSY, GSI, PSDI, and PST of SCL-90-R in alopecia areata patients were significantly higher than those in normal healthy persons. In TAS-20K, the scores of Factor 1 and Total in alopecia areata patients were higher than those in normal healthy persons. CONCLUSION: Our results suggest that alopecia areata patients are more alexithymic than normal healthy persons.