期刊
FRONTIERS IN IMMUNOLOGY
卷 13, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2022.893628
关键词
hepatitis B virus; natural killer cells; chronic hepatitis B; antiviral treatment; postpartum
类别
资金
- Beijing Hospitals Authority Clinical medicine Development of Special Funding Support [XMLX 201706, XMLX 202127]
- National Science and Technology Major Project of China [2017ZX10201201-001-006, 2017ZX10201201-002-006, 2018ZX10715-005-003-005]
- Special Public Health Project for Health Development in Capital [2021-1G-4061, 2022-1-2172]
- Digestive Medical Coordinated Development Center of Beijing Hospitals Authority [XXZ0302]
- Beijing Science and Technology Commission [D161100002716002]
- Beijing Municipal Science & Technology Commission [Z151100004015122]
The study found that antiviral therapy during pregnancy can significantly increase the frequency of NK cells postpartum. Postpartum hepatitis may be related to the immune injury caused by changes in NK cell frequency and HBV infection.
ObjectiveTo study the effect of antiviral therapy during pregnancy on the frequency of natural killer (NK) cells in peripheral blood of women with HBV DNA positive chronic hepatitis B (CHB). MethodIn total 124 female subjects were divided into four groups: 11 healthy non-pregnant women (Normal group), 26 non-pregnant women in immune tolerance period of chronic hepatitis B virus (HBV) infection (CHB group), 41 pregnant CHB women without antiviral treatment during pregnancy (Untreated group), and 46 pregnant CHB women receiving antiviral treatment during pregnancy (Treated group). The frequency of NK cells in peripheral blood were detected by flow cytometry. ResultThe frequency of NK cells in healthy women [15.30 (12.80, 18.40)] was higher than that in women with HBV infection, but there was no significant statistical difference (p=0.436). The frequency of NK cells in CHB group [10.60 (6.00, 18.30)] was higher than those in pregnant CHB women [Untreated: 6.90 (4.89, 10.04), P=0.001; Treated: 9.42 (6.55, 14.10), P=0.047]. The frequency of NK cells in treated group was significantly higher than that in untreated group (P = 0.019). The frequencies of NK cells, CD56(bright) NK cells and NKp46(dim) NK cells at 12 and 24 weeks postpartum in the untreated group were increased significantly than those before delivery. In treated group, the frequencies of NK cells, CD56(bright) NK cells, NKp46(+) NK cells and NKp46(dim) NK cells were significantly increased at 6 and 12 weeks than those before delivery. The frequencies of NK cells and CD56(bright) NK cells postpartum were increased significantly in treated group than those in untreated group. The frequencies of CD56(dim) NK cells decreased significantly after delivery in treated than those in untreated patients. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) significantly increased after delivery than those before delivery. The results showed that the postpartum ALT level was weak positive correlated with NKp46(high) frequency (r=0.199) and was weak negative correlated with NKp46(dim) frequency (r= -0.199). ConclusionAntiviral treatment during pregnancy could significantly increase the frequency of NK cells postpartum. Postpartum hepatitis may be related to the immune injury caused by change of NK cell frequency and HBV infection.
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