Abstract:
:Cholera is a potentially lethal diarrhea disease caused by the gram-negative bacterium Vibrio cholerae. The need for an effective cholera vaccine is clearly indicated but the challenges of eliciting both systemic and mucosal immune responses remains a significant challenge. In the current report, we discovered that a DNA vaccine expressing a protective cholera antigen, cholera toxin B subunit (CTB), delivered parenterally can elicit both systemic and mucosal anti-CTB antibody responses in mice. The priming effect by DNA immunization was demonstrated by higher mucosal antibody responses following one boost with the inactivated cholera vaccine (KWC-B) delivered orally when compared to the twice oral administration of KWC-B alone. This finding indicates that DNA vaccines delivered parenterally are effective in eliciting mucosal protective immune responses--a unique advantage for DNA vaccination that has not yet been well realized and should bring value to the development of novel vaccination approaches against mucosally transmitted diseases.
journal_name
Vaccinejournal_title
Vaccineauthors
Xu G,Wang S,Zhuang L,Hackett A,Gu L,Zhang L,Zhang C,Wang H,Huang Z,Lu Sdoi
10.1016/j.vaccine.2009.04.008subject
Has Abstractpub_date
2009-06-12 00:00:00pages
3821-30issue
29eissn
0264-410Xissn
1873-2518pii
S0264-410X(09)00537-4journal_volume
27pub_type
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