Bacterial outer membrane vesicles and vaccine applications.
Vaccines based on outer membrane vesicles (OMV) were developed more than 20 years ago against Neisseria meningitidis serogroup B. These nano-sized structures exhibit remarkable potential for immunomodulation of immune responses and delivery of meningococcal antigens or unrelated antigens incorporated into the vesicle structure. This paper reviews different applications in OMV Research and Development (R&D) and provides examples of OMV developed and evaluated at the Finlay Institute in Cuba. A Good Manufacturing Practice (GMP) process was developed at the Finlay Institute to produce OMV from N. meningitidis serogroup B (dOMVB) using detergent extraction. Subsequently, OMV from N. meningitidis, serogroup A (dOMVA), serogroup W (dOMVW), and serogroup X (dOMVX) were obtained using this process. More recently, the extraction process has also been applied effectively for obtaining OMV on a research scale from Vibrio cholerae (dOMVC), Bordetella pertussis (dOMVBP), Mycobacterium smegmatis (dOMVSM), and BCG (dOMVBCG). The immunogenicity of the OMV has been evaluated for specific antibody induction, and together with functional bactericidal and challenge assays in mice has shown their protective potential. dOMVB has been evaluated with non-neisserial antigens, including with a herpes virus type 2 glycoprotein, ovalbumin, and allergens. In conclusion, OMV are proving to be more versatile than first conceived and remain an important technology for development of vaccine candidates.
Finlay Institute , Havana , Cuba.
Reinaldo
R
Acevedo
Finlay Institute , Havana , Cuba.
Sonsire
S
Fernández
Finlay Institute , Havana , Cuba.
Caridad
C
Zayas
Finlay Institute , Havana , Cuba.
Armando
A
Acosta
Finlay Institute , Havana , Cuba.
Maria Elena
ME
Sarmiento
Strathclyde Institute of Pharmacy and Biomedical Science, Strathclyde University , Glasgow , UK.
Valerie A
VA
Ferro
Norwegian Institute of Public Health , Oslo , Norway.
Einar
E
Rosenqvist
Finlay Institute , Havana , Cuba.
Concepcion
C
Campa
Finlay Institute , Havana , Cuba.
Daniel
D
Cardoso
Finlay Institute , Havana , Cuba.
Luis
L
Garcia
Finlay Institute , Havana , Cuba.
Jose Luis
JL
Perez
Bordetella pertussis; Mycobacterium tuberculosis; Neisseria meningitidis; Vibrio cholerae; adjuvant; outer membrane vesicles; proteoliposomes; vaccines