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Author(s): Silva, RA
Pais, TF
Appelberg, R
Title: Effects of interleukin-12 in the long-term protection conferred by a Mycobacterium avium subunit vaccine
Issue Date: 2000
Abstract: The effects of the addition of recombinant interleukin (IL)-12 to a mycobacterial subunit vaccine were analyzed in terms of the longevity of the protective immunity generated. BALB/c mice were immunized with culture filtrate proteins from Mycobacterium avium with dimethyl-dioctadecilammonium bromide (DDA) as an adjuvant. This subunit vaccine induced protection against a challenge by M. avium which lasted for at least 6 months while waning with time until 1 year postvaccination. Whereas the addition of IL-12 enhanced the initial protective efficacy of this subunit vaccine during the first 6 months, it accelerated the loss of protective efficacy observed at 1 year postvaccination. These data confirm the adjuvant properties of IL-12 in vaccines against mycobacteria and raise the possibility of late counter-protective untoward effects.
Subject: Infecções, Medicina básica
Infections, Basic medicine
Scientific areas: Ciências médicas e da saúde::Medicina básica
Medical and Health sciences::Basic medicine
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:ICBAS - Artigo em Revista Científica Internacional

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