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女性生殖道免疫:疫苗开发面临的独特免疫学挑战。

Female genital tract immunity: distinct immunological challenges for vaccine development.

机构信息

Reproductive Immunology and Molecular Biology Laboratories, Department of Obstetrics and Gynecology, West Virginia University, School of Medicine, Morgantown, WV 26506-9186, USA.

出版信息

J Reprod Immunol. 2012 Jan;93(1):1-8. doi: 10.1016/j.jri.2011.09.005. Epub 2011 Dec 10.

Abstract

The population explosion and unintended pregnancies, sexually transmitted diseases including human immunodeficiency virus, and cervical cancer, are major challenges to health worldwide. Their prevention might be achieved through vaccination-based approaches to activate specific immunity against pathogen- or fertility-associated antigens in the female genital tract (FGT). This article aims to review methodologies for enhancing adaptive immunity in the FGT to maximize the response to vaccination. Most components of the adaptive and innate mucosal immune system are present in the FGT and several features are common with the nasopharynx/bronchial and gastrointestinal tracts. In contrast to other mucosal sites, the FGT has minimal local lymphoid tissue. Other sites primarily produce IgA and IgM while in the FGT, especially the vaginocervix, IgG is the predominant immunoglobulin secreted. In rodents, data exist to substantiate a common mucosal immune system interconnecting the nasal/bronchial, gastrointestinal, and female genital tracts. The intranasal route seems the most efficacious to induce an immunity in the FGT especially when combined with a systemic or parenteral route. In humans, for induction of secretory IgA and IgG antibodies in the FGT, immunization by the nasal or the vaginal route is effective. In vaginal immunization, a strong and consistent antibody response is best achieved following vaccination during the follicular phase of the menstrual cycle. Antibodies administered systemically percolate into the FGT and can provide immunoprotection against target molecules or cells. Thus, as well as active immunization using selected routes, the passive immunization approach may provide a viable alternative to vaccinology for future development.

摘要

人口爆炸和意外怀孕、性传播疾病(包括人类免疫缺陷病毒)和宫颈癌是全球健康面临的主要挑战。通过基于疫苗的方法,可以激活针对女性生殖道(FGT)中病原体或生育相关抗原的特异性免疫,从而预防这些疾病。本文旨在综述增强 FGT 适应性免疫的方法,以最大限度地提高疫苗接种的效果。适应性和先天黏膜免疫系统的大多数成分都存在于 FGT 中,并且其几个特征与鼻咽/支气管和胃肠道相似。与其他黏膜部位不同,FGT 中局部淋巴组织很少。其他部位主要产生 IgA 和 IgM,而在 FGT 中,特别是阴道宫颈,IgG 是分泌的主要免疫球蛋白。在啮齿动物中,存在数据支持连接鼻/支气管、胃肠道和女性生殖道的共同黏膜免疫系统。鼻内途径似乎是诱导 FGT 免疫最有效的方法,尤其是与全身或胃肠外途径联合使用时。在人类中,通过鼻内或阴道途径免疫可有效诱导 FGT 中分泌型 IgA 和 IgG 抗体。在阴道免疫中,在月经周期的卵泡期进行疫苗接种可获得最强和最一致的抗体反应。全身给予的抗体可渗透到 FGT 中,并可针对靶分子或细胞提供免疫保护。因此,除了使用选定途径进行主动免疫外,被动免疫方法可能为未来疫苗学的发展提供一种可行的替代方案。

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