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Journal Articles (Review Article) Vaccines Year : 2022

Progress towards the Elusive Mastitis Vaccines

Abstract

Mastitis is a major problem in dairy farming. Vaccine prevention of mammary bacterial infections is of particular interest in helping to deal with this issue, all the more so as antibacterial drug inputs in dairy farms must be reduced. Unfortunately, the effectiveness of current vaccines is not satisfactory. In this review, we examine the possible reasons for the current shortcomings of mastitis vaccines. Some reasons stem from the peculiarities of the mammary gland immunobiology, others from the pathogens adapted to the mammary gland niche. Infection does not induce sterilizing protection, and recurrence is common. Efficacious vaccines will have to elicit immune mechanisms different from and more effective than those induced by infection. We propose focusing our research on a few points pertaining to either the current immune knowledge or vaccinology approaches to get out of the current deadlock. A possible solution is to focus on the contribution of cell-mediated immunity to udder protection based on the interactions of T cells with the mammary epithelium. On the vaccinology side, studies on the orientation of the immune response by adjuvants, the route of vaccine administration and the delivery systems are among the keys to success.
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hal-03687670 , version 1 (03-06-2022)

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Pascal Rainard, Florence Gilbert, Rodrigo Prado Martins, Pierre Germon, Gilles Foucras. Progress towards the Elusive Mastitis Vaccines. Vaccines, 2022, 10 (2), 24 p. ⟨10.3390/vaccines10020296⟩. ⟨hal-03687670⟩
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