5.追加正常人血清の補体価(第3回補体シンポジウム II 各種疾患における補体及び補体成分の変動)

概要

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By studying the distribution characteristics of complement 50% hemolytic titer (C'H50) of 641 normal human sera taken from apparently healthy blood donors, it was found out that the complement titer was distributed nearly in symmetric curve with mean value of 36.43 with standard deviation of 5.47. Human complement hemolytic activity was measured according to C'H50 method of Mayer's. There was no correlation between complement titer and sex or blood type. On the other hand, while investigating averages of C'H50 in each age from six to sixty, it was noticed that C'H50 remarkably increased in the ages of ten, eleven and twleve. Moreover, the variation of C'H50 during daytime was observed in ten healthy volunteers. C'H50 was measured four times a day, that is, before breakfast, before lunch, one hour and four hours after lunch. The result indicated that the difference between maximum and minimum in C'H50 of each case had mean value of 8.5 unit with standard deviation of 4.27 unit.
1966-11-30