Expert review of vaccines · 2026
Fc-mediated immune effector functions elicited by recombinant and live-attenuated herpes zoster vaccines.
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Huang Zhuangzhuang, Jin Pengfei, Pan Hongxing, Wei Mingwei, Liang Qi, Gan Mingzhi, Li Simin, Zhai Xiangjun, Li Jingxin
Аннотация
BACKGROUND: The role of Fc-mediated immune responses in protecting against herpes zoster remains poorly understood. This study aimed to evaluate the Fc-mediated immune responses of anti-VZV glycoprotein E antibodies induced by two licensed varicella-zoster virus vaccines.
RESEARCH DESIGN AND METHODS: We established two cohorts, each consisting of 48 healthy participants aged 50 or above, who received either the ZVL or RZV. Serum samples were measured to evaluate the Fc-mediated immune responses for antibody-dependent cellular cytotoxicity (ADCC), antibody-dependent cellular phagocytosis (ADCP), and antibody-dependent neutrophil phagocytosis (ADNP) against VZV-gE. The correlations between Fc-mediated functions and the IgG levels were also analyzed.
RESULTS: Both ZVL and RZV significantly induced Fc effector function responses against HZ in participants after vaccination. Compared with ZVL recipients, RZV recipients exhibited significantly higher increase-fold of ADCC responses (ZVL: 1.93-fold; RZV: 8.44-fold, p < 0.001). In each vaccine group, the younger recipients showed higher ADCC responses than did the older (ZVL: 2.17-fold vs. 1.45-fold, p = 0.0136; RZV: 8.93-fold vs. 7.43-fold, p = 0.0677). Similar patterns were observed for ADCP and ADNP responses.
CONCLUSION: RZV induced superior Fc effector functions of VZV-gE antibodies compared to ZVL did. Older adults exhibited weaker Fc-mediated responses compared to younger adults following vaccination.
RESEARCH DESIGN AND METHODS: We established two cohorts, each consisting of 48 healthy participants aged 50 or above, who received either the ZVL or RZV. Serum samples were measured to evaluate the Fc-mediated immune responses for antibody-dependent cellular cytotoxicity (ADCC), antibody-dependent cellular phagocytosis (ADCP), and antibody-dependent neutrophil phagocytosis (ADNP) against VZV-gE. The correlations between Fc-mediated functions and the IgG levels were also analyzed.
RESULTS: Both ZVL and RZV significantly induced Fc effector function responses against HZ in participants after vaccination. Compared with ZVL recipients, RZV recipients exhibited significantly higher increase-fold of ADCC responses (ZVL: 1.93-fold; RZV: 8.44-fold, p < 0.001). In each vaccine group, the younger recipients showed higher ADCC responses than did the older (ZVL: 2.17-fold vs. 1.45-fold, p = 0.0136; RZV: 8.93-fold vs. 7.43-fold, p = 0.0677). Similar patterns were observed for ADCP and ADNP responses.
CONCLUSION: RZV induced superior Fc effector functions of VZV-gE antibodies compared to ZVL did. Older adults exhibited weaker Fc-mediated responses compared to younger adults following vaccination.