犬糸状虫性血色素尿症の溶血に関する研究 : 血清と赤血球膜における脂質変化

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  • Studies on hemolysis in canine dirofilarial hemoglobinuria. Lipid alterations in blood serum and red cell membrane.
  • 犬糸状虫性血色素尿症の溶血に関する研究--血清と赤血球膜における脂質変化〔英文〕
  • イヌ シジョウチュウセイ ケッシキソ ニョウショウ ノ ヨウケツ ニカンスルケ

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Changes of free cholesterol (F Ch) and phospholipid (Pl) collcentrations in the serum and the contents in the red cell membranes were investigated in the case of dirofilarial hemoglobinuria (Hb-uria) and compared with those in normal dogs and dogs suffering from chronic serious filariasis without Hb-emia and Hb-uria. There was a significant increase in serum F Ch concentration and in the Ch and Pl contents in the red cell membranes of the serious filariasis group, as compared with the normal one. Marked increases in the F Ch and Pl concentrations and F Ch/Pl ratio were found in the serum, the Ch content and Ch/Pl ratio in the red cell membranes in the Hb-uria group, as compared with the normal one. Also, as opposed to the serious filariasis group, serum F Ch concentration showed an appreciable rise, but the Ch/Pl ratio was insignificant in the red cell membranes. There were no significant findings as to the serum lipoprotein fractions in the Hb-uria or the normal group. In the Hb-uria group, however, the α-lipoprotein concentration and α/total β-ratio were significantly higher and the total β-lipoprotein concentration was significantly lower in the serum than in the serious filariasis group. There were significant correlations between the serum and red cell membranes as to F Ch concentration and Ch content, or Ch/Pl ratio, in the normal and whole groups, but not in the Hb-uria group. Both filariasis groups showed an appreciable increase in erythrocyte mechanical fragility, as compared with the normal group, and they displayed a lower minimum and higher maximum resistance to osmotic fragility than the normal group.

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