Sex-Specific Differences in Cytokine Induction by the Glycolipid Adjuvant 7DW8-5 in Mice.

Sex-Specific Differences in Cytokine Induction by the Glycolipid Adjuvant 7DW8-5 in Mice.
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DOI:
10.3390/biom13010008
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发表时间:
2022-12-21
期刊:
影响因子:
5.5
通讯作者:
Murphy, Sean C. C.
Murphy, Sean C. C.
中科院分区:
生物学2区
文献类型:
--
作者:
Watson, Felicia N. N.;Duncombe, Caroline J.;Kalata, Anya C. C.;Conrad, Ethan;Chakravarty, Sumana;Sim, B. Kim Lee;Hoffman, Stephen L. L.;Tsuji, Moriya J.;Shears, Melanie J.;Murphy, Sean C. C.

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7DW8-5是一种有效的糖脂佐剂,通过诱导IFN-γ和增加保护性CD8+ T细胞反应,可提高小鼠疟疾疫苗的效力。先前的研究显示,添加7DW8-5可提高CD8+ T细胞介导的异源“启动-诱捕”疟疾疫苗在近交雌性小鼠中抵抗约氏疟原虫孢子虫攻击的功效。在这里,我们报告了近亲繁殖和近亲繁殖小鼠对7DW8-5的显著性别特异性反应差异。静脉注射7DW8-5后,雄性小鼠与雌性小鼠相比,IFN-γ和IL-4的表达明显减少。此外,与雌性小鼠不同的是,7DW8-5在接种了启动-陷阱疫苗的雄性小鼠中并没有提高疫苗对孢子虫攻击的效力。我们的研究结果强调了在实验性辅助研究中包括女性和男性的重要性。
7DW8-5 is a potent glycolipid adjuvant that improves malaria vaccine efficacy in mice by inducing IFN-γ and increasing protective CD8+ T cell responses. The addition of 7DW8-5 was previously shown to improve the efficacy of a CD8+ T cell-mediated heterologous ‘prime-and-trap’ malaria vaccine against Plasmodium yoelii sporozoite challenge in inbred female mice. Here, we report significant differential sex-specific responses to 7DW8-5 in inbred and outbred mice. Male mice express significantly less IFN-γ and IL-4 compared to females following intravenous 7DW8-5 administration. Additionally, unlike in female mice, 7DW8-5 did not improve the vaccine efficacy against sporozoite challenge in prime-and-trap vaccinated male mice. Our findings highlight the importance of including both female and male sexes in experimental adjuvant studies.
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