دورية أكاديمية
Intradermal vaccination of live attenuated influenza vaccine protects mice against homologous and heterologous influenza challenges
| العنوان: | Intradermal vaccination of live attenuated influenza vaccine protects mice against homologous and heterologous influenza challenges |
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| المؤلفون: | Andrew Chak-Yiu Lee, Anna Jinxia Zhang, Can Li, Yanxia Chen, Feifei Liu, Yan Zhao, Hin Chu, Carol Ho-Yan Fong, Pui Wang, Siu-Ying Lau, Kelvin Kai-Wang To, Honglin Chen, Kwok-Yung Yuen |
| المصدر: | npj Vaccines, Vol 6, Iss 1, Pp 1-13 (2021) |
| بيانات النشر: | Nature Portfolio, 2021. |
| سنة النشر: | 2021 |
| المجموعة: | LCC:Immunologic diseases. Allergy LCC:Neoplasms. Tumors. Oncology. Including cancer and carcinogens |
| مصطلحات موضوعية: | Immunologic diseases. Allergy, RC581-607, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282 |
| الوصف: | Abstract We previously developed a temperature-sensitive, and NS1 gene deleted live attenuated influenza vaccine (DelNS1-LAIV) and demonstrated its potent protective efficacy in intranasally vaccinated mice. Here we investigated whether intradermal (i.d.) vaccination induces protective immunity. Our results showed that DelNS1-LAIV intradermal vaccination conferred effective and long-lasting protection against lethal virus challenge in mice. A single intradermal injection of DelNS1-LAIV conferred 100% survival with no weight loss in mice after A(H1N1)09 influenza virus (H1N1/415742Md) challenge. DelNS1-LAIV injection resulted in a significant reduction of lung viral load and reduced airway epithelial cell death and lung inflammatory cytokine responses at day 2 and 4 post challenge. Full protections of mice lasted for 6 months after immunization. In vitro infection of DelNS1-LAIV in monocyte-derived dendritic cells (MoDCs) demonstrated activation of antigen-presenting cells at 33 °C, together with the results of abortive replication of DelNS1-LAIV in skin tissue and strong upregulation of inflammatory cytokines/chemokines expression, our results suggested the strong immunogenicity of this vaccine. Further, we demonstrate that the underlying protection mechanism induced by intradermal DelNS1-LAIV is mainly attributed to antibody responses. Together, this study opens up an alternative route for the administration of LAIV, which may benefit individuals not suitable for intranasal LAIV immunization. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 2059-0105 |
| العلاقة: | https://doaj.org/toc/2059-0105Test |
| DOI: | 10.1038/s41541-021-00359-8 |
| الوصول الحر: | https://doaj.org/article/946e30f2e6784f7385e92b341a985025Test |
| رقم الانضمام: | edsdoj.946e30f2e6784f7385e92b341a985025 |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 20590105 |
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| DOI: | 10.1038/s41541-021-00359-8 |