. doi: 10.1016/j.virs.2024.10.003
Citation: Siji Chen, Jiang Zhu, Chunting Hua, Chenxi Feng, Xia Wu, Can Zhou, Xianzhen Chen, Boya Zhang, Yaohan Xu, Zeyu Ma, Jianping He, Na Jin, Yinjing Song, Stijn van der Veen, Hao Cheng. Single-cell RNA sequencing reveals the diversity of the immunological landscape response to genital herpes .VIROLOGICA SINICA, 2024, 39(6) : 860-874.  http://dx.doi.org/10.1016/j.virs.2024.10.003

单细胞RNA测序揭示机体对生殖器疱疹免疫景观的多样性

cstr: 32224.14.j.virs.2024.10.003
  • 生殖器疱疹(GH)是一种常见的性传播疾病,主要由单纯疱疹病毒2型(HSV-2)引起,目前仍然是一个重要的全球健康问题。尽管我们对GH患者免疫细胞群体变化和免疫调节的理解仍然有限,但很明显在HSV-2感染和GH复发过程中,系统固有免疫、先天免疫和适应性免疫发挥着重要作用。为了研究HSV-2感染和复发的机制,我们对从健康个体和复发性GH患者外周血中分离出的免疫细胞进行了单细胞RNA测序(scRNA-seq)。此外,复发性GH患者的系统免疫反应显示了经典单核细胞、CD4+ T细胞、自然杀伤细胞(NK细胞)和浆细胞样树突状细胞的激活,特别是与 Toll 样受体信号通路和T细胞活化相关的基因的激活。在scRNA-seq数据集以及独立的定量实时聚合酶链式反应(qRT-PCR)分析和ELISA实验中,GH患者循环免疫细胞显示出与炎症和抗病毒反应相关基因的高表达。本研究表明,由HSV再激活引起的局部生殖器疱疹可能影响循环免疫细胞的功能,这提示了未来研究HSV感染和复发期间系统免疫作用的潜在方向。

Single-cell RNA sequencing reveals the diversity of the immunological landscape response to genital herpes

  • Genital herpes (GH) is a common sexually transmitted disease, which is primarily caused by herpes simplex virus type 2 (HSV-2), and continues to be a global health concern. Although our understanding of the alterations in immune cell populations and immunomodulation in GH patients is still limited, it is evident that systemic intrinsic immunity, innate immunity, and adaptive immunity play crucial roles during HSV-2 infection and GH reactivation. To investigate the mechanisms underlying HSV-2 infection and recurrence, single-cell RNA sequencing (scRNA-seq) was performed on immune cells isolated from the peripheral blood of both healthy individuals and patients with recurrent GH. Furthermore, the systemic immune response in patients with recurrent GH showed activation of classical monocytes, CD4+ T cells, natural killer cells (NK cells), and plasmacytoid dendritic cells (pDCs), especially of genes associated with the Toll-like receptor signaling pathway and T cell activation. Circulating immune cells in GH patients show higher expression of genes associated with inflammation and antiviral responses both in the scRNA-Seq data set and in independent quantitative real-time polymerase chain reaction (qRT-PCR) analysis and ELISA experiments. This study demonstrated that localized genital herpes, resulting from HSV reactivation, may influence the functionality of circulating immune cells, suggesting a potential avenue for future research into the role of systemic immunity during HSV infection and recurrence.

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    Single-cell RNA sequencing reveals the diversity of the immunological landscape response to genital herpes

      Corresponding author: Yinjing Song, 3315023@zju.edu.cn
      Corresponding author: Stijn van der Veen, stijnvanderveen@zju.edu.cn
      Corresponding author: Hao Cheng, chenghao1@zju.edu.cn
    • a. Department of Dermatology and Venereology, Sir Run-Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China;
    • b. Department of Microbiology, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University School of Medicine, Hangzhou 310058, China

    Abstract: Genital herpes (GH) is a common sexually transmitted disease, which is primarily caused by herpes simplex virus type 2 (HSV-2), and continues to be a global health concern. Although our understanding of the alterations in immune cell populations and immunomodulation in GH patients is still limited, it is evident that systemic intrinsic immunity, innate immunity, and adaptive immunity play crucial roles during HSV-2 infection and GH reactivation. To investigate the mechanisms underlying HSV-2 infection and recurrence, single-cell RNA sequencing (scRNA-seq) was performed on immune cells isolated from the peripheral blood of both healthy individuals and patients with recurrent GH. Furthermore, the systemic immune response in patients with recurrent GH showed activation of classical monocytes, CD4+ T cells, natural killer cells (NK cells), and plasmacytoid dendritic cells (pDCs), especially of genes associated with the Toll-like receptor signaling pathway and T cell activation. Circulating immune cells in GH patients show higher expression of genes associated with inflammation and antiviral responses both in the scRNA-Seq data set and in independent quantitative real-time polymerase chain reaction (qRT-PCR) analysis and ELISA experiments. This study demonstrated that localized genital herpes, resulting from HSV reactivation, may influence the functionality of circulating immune cells, suggesting a potential avenue for future research into the role of systemic immunity during HSV infection and recurrence.

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