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为观察湖南地区输血传播病毒（ＴＴＶ）的感染情况，合成了特异性引物，采用巢式聚合酶链反应两次扩增血清ＴＴＶＤＮＡ。共检测７０例肝炎病人血清和４３例献血员血清。结果显示：在３８例血清ＨＢｓＡｇ阳性、ＨＢｅＡｇ和ＨＢＶＤＮＡ阴性的病人中，１０例ＴＴＶＤＮＡ阳性（２６３％），ＡＬＴ平均为（４５２±２３６）Ｕ·Ｌ－１；３２例血清甲～戊型和庚型肝炎标志物阴性的病人中，１２例ＴＴＶＤＮＡ阳性（３７５％），ＡＬＴ平均为（５８２±２５９）Ｕ·Ｌ－１；４３例献血员中，４例ＴＴＶＤＮＡ阳性（９３％），ＡＬＴ在正常范围。提示湖南地区首次发现ＴＴＶ感染者。本资料与日本首次报道者相近；不能排除ＴＴＶ感染与ＡＬＴ升高的关系。
To observe the infection of transfusion transmitted virus (TTV) in Hunan Province, specific primers were synthesized, and the serum TTVDNA was amplified twice by nested polymerase chain reaction. A total of 70 sera from hepatitis patients and 43 blood donors were detected. The results showed that in 38 cases of HBsAg-positive, negative HBeAg and HBVDNA patients, 10 cases of TTVDNA positive (26.3%), ALT average (452 ± 236) U · L-1; 32 cases of serum A ~ TTV DNA positive in 12 cases (375%) and ALT averaged (582 ± 259) U · L-1 in 4 of the 43 blood donors were positive for TTVDNA (93 %), ALT in the normal range. Tip for the first time in Hunan found TTV infection. This data is similar to the first reported in Japan; can not rule out the relationship between TTV infection and elevated ALT.