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胎兒赤芽球症生成機轉에 있어서의 交叉反應性抗體에 關한 硏究
李三悅 中央醫學社 1941 中央醫學 Vol.10 No.2
In 1960, the first proven case among Korean babies of Rh-sensitized and five cases 4 ABO-sensitized erythroblastosis fetalis were reported by the present author. Attention was paid to the fact that all of those ABO-cases happened exclusively in group-O mothers. Seeking the explanation of this phenomenon, the author was interested in the role of the so-called "Cross-reacting antibody", which importance in 'tithe' development of ABO-erythroblastosis fetalis was postulated by Wiener and Zuelzer (1955). Employing the technique of antibody-absorption and elution introduced by Dodd (1952) the author made the following observations using both clinical materials of Korean population and experimental animal materials. 1. Antibody responses to a same antigen stimulation was greater in group-O persons than in any other group persons, and this was true in both natural and immune antibody productions. 2. Group-O persons might possess a so-called cross-reacting antibody, anti-C, in addition to the ordinary anti-A and anti-B; and its frequencies among Koreans were 70 to 77%a in male and 65 to 80'% in pregnant female. 3. The cross-reacting antibody reacted better at 37C than at 4 C and better in colloidal medium than in saline medium. 4. The cross-reacting antibody reacted best with an indirect Coombs technique among the ordinary three titration techniques; and in this regard this antibody belonged to an incomplete antibody. 5. In contrast to immune anti-A or anti-B sera, the cross-reacting antibody was neutralized by soluble group specific substances but this phenomenon did not happen on an immune animal origin cross-reacting antibody. 6. It was demonstrated that blood-free placental emulsion absorbed hemagglutinins in vitro including the cross-reacting antibody; and the same phenomenon appeared to occur in vivo as demonstrated in a group-A fetal placenta delivered from a group-O mother. ; These observations were discussed to find the possible role of the cross-reacting antibody in the pathogenesis of ABO-erythroblastosis fetalis and the author reached the conclusion that the reasons why ABO-erythroblastosis fetalis is apt to occur in eases of group-O mothers would be: they are prone to produce more hemagglutinins than any other group persons, in general, and they produce so-called cross-reacting antibody readily, which would not be possibly produced in any other group persons. Furthermore, the cross-reacting antibody possesses many immunohematologically advantageous characteristics which would induce an erythroblastosis fetalis. On the other hands the reasons why all group-O mothers do not develop erythroblastosis fetalis in their heterospecific pregnancies would be the cross-reacting antibody is absorbed by placenta, a fact which is quite different from that in the cases of Rh-antibodies, and the cross-reacting antibody is neutralized by soluble group specific substances in the fetus. These fetal protective mechanisms would weaken the offending potency of the cross-reacting antibody.
이삼열 사회와 철학 연구회 2001 사회와 철학 Vol.0 No.1
사회와 철학은 나무와 열매의 관계처럼 서로 하나로 연결되어 있는 것이며 동떨어진 것이 아니다. 나무가 없이 염래가 열리지 않듯이 사회라는 몸체가 없이 철학이라는 과실이 맺히지 않으며, 열매의 맛을 모르고 그 나무 본질과 진가를 알 수 없듯이 철학은 그 사회의 맛을 알게 하는 열매나 다름없다고 하겠다. 그래서 철학하면 곧 그 사회가 가진 철학을 말하고 그것은 또 사회에 관한 철학과 의식을 토대로 해서 성립하는 것임을 알 수 있다. 그럼에도 불구하고 철학은 정관 Theoria을 방법으로 삼음으로써 직접적 사회현실에 대해 거리를 취하기 시작했고 현실을 올바로 파악하기 위한 인식과 사고의 훈련을 위해 도입한 논리학이나 인식의 방법론들이 마치 철학의 정부인 양 철학의 상당한 역사를 주름잡아 온 것도 사실이었다.