Zhonghua fu chan ke za zhi · 2004
[The experimental study of guinea pig cytomegalovirus infection in the kidney of the pup of guinea pig].
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Wang Xin-rong, Chen Su-hua, Liu Hai-zhi, Xiong Jin-wen, Ling Xia-zhen
Аннотация
OBJECTIVE: To study the relationship of guinea pig cytomegalovirus (GPCMV) infection with the outcome of pregnancy by the kidney of guinea pig (GP).
METHODS: Twenty first-trimester gestation GPs were randomly selected, intraperitoneally inoculated with GPCMV. Then female GPs and the pups were killed within 24 h after delivery. By in situ hybridization (ISH) with three phases GPCMV late-mRNA probes labeled by digoxin, the virus load and its distribution were screened inside the pup's kidney.
RESULTS: Twenty GPs totally conceived 63 pups. Among them, 42 had normal outcome and lived longer than 24 h; 21 had abnormal outcome such as abortion, fetal death, et al. By in situ hybridization, the infection rate of normal pups was 7.1% (3/42) and the average optical density (A) was 0.105 +/- 0.052. The infection rate of abnormal pups was 28. 6% (6/21) and the A was 0.158 +/- 0.047. The difference of the A was significant (t = 2.57, P < 0.05). The positive signal of ISH was mainly distributed in the epithelium of renal tubule and collecting duct.
CONCLUSION: It is concluded that the late-mRNA mainly expressed in the epithelium of renal tubule and collecting duct and the expression level was related with the abnormal pregnancy outcome.
METHODS: Twenty first-trimester gestation GPs were randomly selected, intraperitoneally inoculated with GPCMV. Then female GPs and the pups were killed within 24 h after delivery. By in situ hybridization (ISH) with three phases GPCMV late-mRNA probes labeled by digoxin, the virus load and its distribution were screened inside the pup's kidney.
RESULTS: Twenty GPs totally conceived 63 pups. Among them, 42 had normal outcome and lived longer than 24 h; 21 had abnormal outcome such as abortion, fetal death, et al. By in situ hybridization, the infection rate of normal pups was 7.1% (3/42) and the average optical density (A) was 0.105 +/- 0.052. The infection rate of abnormal pups was 28. 6% (6/21) and the A was 0.158 +/- 0.047. The difference of the A was significant (t = 2.57, P < 0.05). The positive signal of ISH was mainly distributed in the epithelium of renal tubule and collecting duct.
CONCLUSION: It is concluded that the late-mRNA mainly expressed in the epithelium of renal tubule and collecting duct and the expression level was related with the abnormal pregnancy outcome.