Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology · 2006
[The role of peripheral blood mononuclear cells (PBMC) of HBV-infected mothers in the intrauterine infection of their fetuses].
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Li Shu-hong, Yue Ya-fei, Zhang Shu-lin, Shi Zi-yun, Gui Qiao-di
Аннотация
OBJECTIVE: To study the role of the HBV-infected mothers' PBMC in intrauterine transmission of HBV to their fetuses.
METHODS: Thirty pregnant women with serum HBV DNA negative and PBMC HBV DNA positive and their newborns were used as the study group. Ten pregnant women with serum HBV negative and their infants served as the control group. HBV DNA in serum and in PBMC was detected using nested polymerase chain reaction (n-PCR). The mothers' PBMC in newborns' peripheral blood was examined using heminested-PCR.
RESULTS: Four newborns were serum HBV DNA positive and 8 newborns were HBV DNA positive in PBMC in the study group. Among them, 2 newborns were HBV DNA positive in both serum and PBMC, 6 cases were positive in PBMC only, and 2 cases were positive in serum only. Five mothers had the GSTM1 gene; and it was not detected in 3 newborns. Among the 8 newborns with HBV DNA positive in PBMC, 3 did not have the GSTM1 gene, at the same time their mothers possessed the GSTM1 gene. Mothers' PBMC were detected in all of these three newborns' peripheral blood. HBV DNA in serum and in PBMC of the control group infants were all negative.
CONCLUSION: HBV-infected PBMC of the mother may serve as a vector in HBV intrauterine infection.
METHODS: Thirty pregnant women with serum HBV DNA negative and PBMC HBV DNA positive and their newborns were used as the study group. Ten pregnant women with serum HBV negative and their infants served as the control group. HBV DNA in serum and in PBMC was detected using nested polymerase chain reaction (n-PCR). The mothers' PBMC in newborns' peripheral blood was examined using heminested-PCR.
RESULTS: Four newborns were serum HBV DNA positive and 8 newborns were HBV DNA positive in PBMC in the study group. Among them, 2 newborns were HBV DNA positive in both serum and PBMC, 6 cases were positive in PBMC only, and 2 cases were positive in serum only. Five mothers had the GSTM1 gene; and it was not detected in 3 newborns. Among the 8 newborns with HBV DNA positive in PBMC, 3 did not have the GSTM1 gene, at the same time their mothers possessed the GSTM1 gene. Mothers' PBMC were detected in all of these three newborns' peripheral blood. HBV DNA in serum and in PBMC of the control group infants were all negative.
CONCLUSION: HBV-infected PBMC of the mother may serve as a vector in HBV intrauterine infection.