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Brucella 면역혈청의 생쥐 방어능력

Protection of Mice from Brucella Infection by Passive Immunization

소아과 1969년 12권 10호 p.1 ~ 9
방치원,
소속 상세정보
방치원 (  ) - 전남대학교 의과대학 소아과학교실

Abstract


Various Brucella antigens, such as gamma-irradiated vaccine (2x10r´), heat-killed organisms (60C -30 min.) and from dissociated variants (SR or R form), were employed in immunizing rabbits and .goats in routine procedures. Anti-Brucella sera thus obtained were compared with each other as well as .normal serum as to their brucellacidal activity in vitro, mouse protecting ability, and effect on the respiration of Brucella organism.
1. Regardless of the kind of animals and antigens used in producing the anti-Brucella serum, the in vitro brucellacidal activity of immune sera was distinguishedly reduced in comparison with that of normal sera so far as the agglutination titer was higher than a certain level (1 : 320).
2. In the comparative mouse protecting test, the Brucella-immune sera exhibited a considerably curing .effect, while normal serum and antibiotics (chloramphenicol, streptomycin and tetracycline) did not.
3. Brucella melitensis showed a markedly reduced respiratory rate in the presence of anti-serum, -compared with that in i lae presence of normal serum, for complement together with antibodies exerted .the depressive effect on the bacterial oxidative metabolism. Antibiotics, however, did not give any .differences on the oxygen uptake rate of Brucella cells.
4. The significance of artificial pas3ive immunity in brucellosis was discussed with reference to the results of this experiment.

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