The adjuvant CLDC increases protection of a herpes simplex type 2 glycoprotein D vaccine in guinea pigs

Abstract Herpes simplex virus (HSV) infections are common but there is no vaccine available. We evaluated cationic liposome–DNA complexes (CLDC) as an adjuvant for an HSV gD2 vaccine and compared it to an MPL/Alum adjuvant in a guinea pig model of genital herpes. The addition of CLDC to the gD2 vacc...

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Veröffentlicht in:Vaccine 2010-05, Vol.28 (21), p.3748-3753
Hauptverfasser: Bernstein, David I, Farley, Nicholas, Bravo, Fernando J, Earwood, Julie, McNeal, Monica, Fairman, Jeff, Cardin, Rhonda
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container_end_page 3753
container_issue 21
container_start_page 3748
container_title Vaccine
container_volume 28
creator Bernstein, David I
Farley, Nicholas
Bravo, Fernando J
Earwood, Julie
McNeal, Monica
Fairman, Jeff
Cardin, Rhonda
description Abstract Herpes simplex virus (HSV) infections are common but there is no vaccine available. We evaluated cationic liposome–DNA complexes (CLDC) as an adjuvant for an HSV gD2 vaccine and compared it to an MPL/Alum adjuvant in a guinea pig model of genital herpes. The addition of CLDC to the gD2 vaccine significantly decreased acute and recurrent disease and most importantly the number of days with recurrent virus shedding compared to gD2 alone. Reductions in these outcomes were also detected when gD2 + CLDC was compared to gD2 + MPL/Alum. When the vaccine and adjuvants were evaluated as therapeutic vaccines, they were ineffective. CLDC enhanced protection compared to MPL/Alum and is the first vaccine to reduce recurrent virus shedding, a key to decreasing the spread of HSV-2.
doi_str_mv 10.1016/j.vaccine.2009.10.025
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We evaluated cationic liposome–DNA complexes (CLDC) as an adjuvant for an HSV gD2 vaccine and compared it to an MPL/Alum adjuvant in a guinea pig model of genital herpes. The addition of CLDC to the gD2 vaccine significantly decreased acute and recurrent disease and most importantly the number of days with recurrent virus shedding compared to gD2 alone. Reductions in these outcomes were also detected when gD2 + CLDC was compared to gD2 + MPL/Alum. When the vaccine and adjuvants were evaluated as therapeutic vaccines, they were ineffective. 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We evaluated cationic liposome–DNA complexes (CLDC) as an adjuvant for an HSV gD2 vaccine and compared it to an MPL/Alum adjuvant in a guinea pig model of genital herpes. The addition of CLDC to the gD2 vaccine significantly decreased acute and recurrent disease and most importantly the number of days with recurrent virus shedding compared to gD2 alone. Reductions in these outcomes were also detected when gD2 + CLDC was compared to gD2 + MPL/Alum. When the vaccine and adjuvants were evaluated as therapeutic vaccines, they were ineffective. 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identifier ISSN: 0264-410X
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subjects Adjuvant
Adjuvants
Adjuvants, Immunologic - pharmacology
Allergy and Immunology
Alum Compounds - pharmacology
Animals
Antibodies, Viral - blood
Applied microbiology
Biological and medical sciences
CLDC
Deoxyribonucleic acid
Design
DNA
Female
Fundamental and applied biological sciences. Psychology
Genital herpes
Guinea pig
Guinea Pigs
Herpes Genitalis - immunology
Herpes Genitalis - prevention & control
Herpes simplex virus 2
Herpes Simplex Virus Vaccines - immunology
Herpesvirus 2, Human - immunology
Hogs
HSV vaccine
Lactose
Lipids
Liposomes - immunology
Microbiology
Miscellaneous
Vaccines
Vaccines, antisera, therapeutical immunoglobulins and monoclonal antibodies (general aspects)
Viral Envelope Proteins - immunology
Virology
Virus Shedding
title The adjuvant CLDC increases protection of a herpes simplex type 2 glycoprotein D vaccine in guinea pigs
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