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Journal of Veterinary Research
Volume 65 (2021): Numero 2 (June 2021)
Accesso libero
Comparison of chicken immune responses after inoculation with H5 avian influenza virus-like particles produced by insect cells or pupae
Dean Huang
Dean Huang
,
Yu-Chan Chao
Yu-Chan Chao
,
Zhengbing Lv
Zhengbing Lv
,
Jia-Tsrong Jan
Jia-Tsrong Jan
,
Yu-Chih Yang
Yu-Chih Yang
,
Pei-Wen Hsiao
Pei-Wen Hsiao
,
Chia-Ying Wu
Chia-Ying Wu
,
Chiu-Hsun Liao
Chiu-Hsun Liao
,
Tzu-Hsien Wu
Tzu-Hsien Wu
e
Lih-Chiann Wang
Lih-Chiann Wang
| 22 mag 2021
Journal of Veterinary Research
Volume 65 (2021): Numero 2 (June 2021)
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CONDIVIDI
Pubblicato online:
22 mag 2021
Pagine:
139 - 145
Ricevuto:
25 ott 2020
Accettato:
26 apr 2021
DOI:
https://doi.org/10.2478/jvetres-2021-0026
Parole chiave
avian influenza virus
,
clade 2.3.4.4
,
silkworm pupa
,
vaccine
,
virus-like particle
© 2021 D. Huang et al. published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Fig. 1
Sf21 VLP and silkworm pupa VLP characterisation. A – Detection of HA protein and M1 protein in VLPs using Western blot; M – molecular weight markers; 1 – Sf21 VLP; 2 – silkworm pupa VLP. B – Detection of Sf21 VLP (up) and silkworm pupa VLP (down) under a transmission electron microscope; scale bar = 50 nm. C – Haemagglutination activity of the purified Sf21 VLP and silkworm pupa VLP
Fig. 2
Immunogenicity of Sf21 VLP and silkworm pupa VLP. A – Serum HI titres against the corresponding VLP (left) or A/Anhui/1/2005 (H5N1, clade 2.3.4) (right). Error bars are mean ± SEM. ns – not significant. B – ELISA IgY titres on day 46 post-immunisation using the corresponding VLP (left) or A/ Anhui/1/2005 (H5N1, clade 2.3.4) (right) as antigens. Lines and boxes represent the upper extreme, 25th, 50th, and 75th percentiles, and the lower extreme. * – P < 0.05; ** – P < 0.01; *** – P < 0.001
Fig. 3
Cell-mediated immune response induced by Sf21 VLP and silkworm pupa VLP in chickens. A – Splenic IFN-γ mRNA amplification in real-time PCR. B – IL-4 mRNA amplification in real-time PCR. C – Splenic CD4+/CD8+ ratios found using flow cytometry. Error bars are mean ± SEM. ns – not significant. * – P < 0.05; ** – P < 0.01; *** – P < 0.001