Isolation of a strain of Hantaan virus from peritoneal exudate

Chinese Med J Peking · Jun 1990

Case Reports

Isolation of a strain of Hantaan virus from peritoneal exudate cells of a patient with hemorrhagic fever with renal syndrome.

A new strain of Hantaan virus (HTNV), GH716, was isolated from the peritoneal exudate cells (PEC) of a patient with severe hemorrhagic fever with renal syndrome (HFRS). The isolate was propagated in Vero E6 cells. At each passage the virus-infected cells were examined for HTNV with immunofluorescence technique using monoclonal antibodies (McAb) 25-1 and 84-1 against HTNV. ⋯ Using 14 McAb to 76-118 and BI strains of HTNV, we found that strain GH716 was antigenically similar to strain 76-118 (Apodemus type) and different from strain R22 (Rattus type), suggesting that GH716 may fall into the Apodemus type of HTNV. This is the first isolation of an HTNV from human PEC collected on the tenth day of illness. The successful isolation of strain GH716 may provide an alternative source of obtaining HTNV during the later stages of HFRS.

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- X S Gu, Z B Song, Z W Jin, G R Meng, C A Zhang, D Y Yan, T Gu, S Q Yang, J R He, and F J Luo.
- Research Group of HFRS, Guang'an County, Sichuan.
- Chinese Med J Peking. 1990 Jun 1; 103 (6): 455459455-9.
AbstractA new strain of Hantaan virus (HTNV), GH716, was isolated from the peritoneal exudate cells (PEC) of a patient with severe hemorrhagic fever with renal syndrome (HFRS). The isolate was propagated in Vero E6 cells. At each passage the virus-infected cells were examined for HTNV with immunofluorescence technique using monoclonal antibodies (McAb) 25-1 and 84-1 against HTNV. From passage 5 on, fluorescent intensity tended to stabilize at (+++) and infectivity titer reached 10(5) TCID50/ml. Using 14 McAb to 76-118 and BI strains of HTNV, we found that strain GH716 was antigenically similar to strain 76-118 (Apodemus type) and different from strain R22 (Rattus type), suggesting that GH716 may fall into the Apodemus type of HTNV. This is the first isolation of an HTNV from human PEC collected on the tenth day of illness. The successful isolation of strain GH716 may provide an alternative source of obtaining HTNV during the later stages of HFRS.

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Isolation of a strain of Hantaan virus from peritoneal exudate cells of a patient with hemorrhagic fever with renal syndrome.

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