Vaccination of Lactating Dairy Cows for the Prevention of Aflatoxin B-1 Carry Over in Milk

Antonio Gallo, Francesco Masoero, Gianfranco Piva, Luciano Polonelli, Laura Giovati, Walter Magliani, Stefania Conti, Stefano Sforza, Alessandro Calabretta, Claudio Casoli, Paola Ronzi, Ester Grilli

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

17 Citazioni (Scopus)

Abstract

The potential of anaflatoxin B1 (AnAFB1) conjugated to keyhole limpet hemocyanin (KLH) as a vaccine (AnAFB1-KLH) in controlling the carry over of the aflatoxin B1 (AFB1) metabolite aflatoxin M1 (AFM1) in cow milk is reported. AFB1 is the most carcinogenic compound in food and foodstuffs amongst aflatoxins (AFs). AnAFB1 is AFB1 chemically modified as AFB1-1(Ocarboxymethyl) oxime. In comparison to AFB1, AnAFB1 has proven to be non-toxic in vitro to human hepatocarcinoma cells and non mutagenic to Salmonella typhimurium strains. AnAFB1-KLH was used for immunization of cows proving to induce a long lasting titer of anti-AFB1 IgG antibodies (Abs) which were cross reactive with AFB1, AFG1, and AFG2. The elicited anti- AFB1 Abs were able to hinder the secretion of AFM1 into the milk of cows continuously fed with AFB1. Vaccination of lactating animals with conjugated AnAFB1 may represent a solution to the public hazard constituted by milk and cheese contaminated
Lingua originaleEnglish
pagine (da-a)1-9
Numero di pagine9
RivistaPLoS One
Volume6
DOI
Stato di pubblicazionePubblicato - 2011

Keywords

  • Lactating Dairy Cows
  • aflatoxin B1
  • vaccination

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