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주요우울증환자에서 Acute Phase Proteins 농도 변화에 관한 연구
김용구,김사준,이민수,Kim, Yong-Ku,Kim, Sa-Jun,Lee, Min-Soo 대한생물정신의학회 1995 생물정신의학 Vol.2 No.1
A few researchers have reported that major depression may be associated with higher levels of positive acute phase proteins(APPs), such as haptoglobin(Hp), ${\alpha}1$-antitrypsin(${\alpha}1AT$), ceruloplasmin(Cp) and lower levels of negative APPs(visceral proteins), such as albumin(Alb) and transferrin(Tf). Elevated levels of positive APPs and a drop in negative APPs constitute important indicators of immune activation. This study was designed to investigate whether altered serum concentrations of positive APPs and of negative APPs reflect the state of depression. Twenty patients who fulfilled DSM-III-R criteria for major depressive disorder and for dysthymic disorder and twelve normal healthy controls were included. The authors measured positive APPs(Hp, ${\alpha}1AT$, Cp) and negative APPs(Alb, Tf) using rate nephelometry and bromcresol green method. 1) There were significant increases of ${\alpha}1AT$, Cp in major depressed patients as compared with normal controls. Trends towards higher Hp and lower Alb, Tf in major depressed patients were observed. 2) No significant difference of APPs concentrations between dysthymic patients and normal controls was found. 3) Severity of depression(HDRS, BDI score) was related to Hp, Cp, ${\alpha}1AT$ value positively. Our findings are partially compatible with the hypothesis that major depression may be accompanied by acute phase response with higher levels of positive APPs and lower levels of negative APPs.
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남자 정신분열증 환자에서 혈청 Interlenkin-2 농도의 증가
김용구,김사준,이민수,Kim, Yong-Ku,Kim, Sa-Jun,Lee, Min-Soo 대한생물정신의학회 1996 생물정신의학 Vol.3 No.1
We have previously reported that Korean schizophrenic patients hove low production of IL-2 in vitro suggestive of autoimmunity to the pathogenesis of the disorder. In an attempt to further explore this issue, we measured in vivo serum levels of interleukins(IL-$1{\beta}$, IL-2, and IL-6) using a quantitative "sandwich" enzyme immunoassay(ELISA) in 26 male schizophrenic patients and in 26 age-matched normal controls. Patients met DSM-IV criteria for schizophrenia and were drug free for at least six months. The severity of symptoms was assessed by SANS and SAPS. We found a significant increase of IL-2 level(p<0.05) in schizophrenic patients as compared with normal controls. There were significant positive correlations between IL-2, IL-6 levels and negative symptom scores. There were no correlations between age, age at onset, duration of illness and interleukin levels. Our results may support the hypothesis of viral-autoimmune dysfunction in schizophrenia. IL-2 or IL-6 may be associated with specific clinical feature in schizophrenic syndrome, especially negative symptom. 정신분열증에서 interleukin의 변화는 그 질환에서의 면역학적 가설의 부가적인 증거로 제시되어 왔다. 본 연구에서는 quantitative "sandwich" ELISA 법을 이용하여 26명의 정신분열증 환자를 대상으로 연령을 상응시킨 정상대조군과 비교해 IL-$1{\beta}$, IL-2, IL-6 농도의 차이가 있는지 알아보았다. 또한 정신분열증 환자에서 IL농도와 양성증상 및 음성증상, 연령, 유병기간 등의 임상변인과의 상관관계를 조사하여 다음과 같은 결론을 얻었다. 1) 정신분열증군이 정상대조군보다 IL-2 농도의 유의한 중가를 나타내었으며, IL-$1{\beta}$와 IL-6는 유의한 차이가 없었다. 2) 정신분열증군에서 IL-2, IL-6와 음성증상간의 유의한 상관관계가 있었다. 본 연구는 정신분열증의 연역학적 가설을 지지하고 있으며, IL은 정신분열증의 음성증상에 관련된다고 생각된다. 앞으로 국내에서도 이러한 환자들의 임상적 특징, 진단, 치료에 관심을 갖아야 할 것으로 사료된다.
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