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Table 1 Experimental vector vaccines against Mycoplasma hyopneumoniae tested in mice.

From: Perspectives for improvement of Mycoplasma hyopneumoniae vaccines in pigs

Antigen

Vector

Route

Nb of vaccinations

Humoral response

CMI responsea

Other/comments

References

Serum

BALFb

 

NrdF (R2)

Salmonella Typhimurium aroA SL3261

Oral

3

No IgG, no IgA

IgA, no IgG

  

[75]

P97 (R1)

Salmonella Typhimurium aroA CS332 (pro- and eukaryotic plasmid)

Oral

2

No

No

IFN-γ

 

[76]

NrdF (R2)

Salmonella Typhimurium aroA CS332(pro- and eukaryotic plasmid)

oral

2

No

No

IFN-γ response (only with eukaryotic vector)

 

[77]

P97 (R1)

Adenovirus

IM or IN

2

IM / IN: IgG

IM: IgG2a/IgG1 = 4

IN: IgG2a/IgG1 = 1

IM /IN: IgG, IgG1, IgG2a

IN: IgA

 

Serum and BAL inhibited growth of M. hyopneumoniae

[78]

P36

Actinobacillus pleuropneumoniae SLW36

IM

2

IgG

   

[79]

P97c

Adenovirus

IM

2

IgG, IgG1, IgG2a, IgG2b, IgG3

IgG2a/IgG1 ≈ 1

  

P97c may act as immunopotentiator

[80]

P97R1, P46

Bacillus subtilis

IN

2

IgG

IgA

IFN-γ, Il-4

 

[81]

  1. IM, Intramuscular; IN, Intranasal.
  2. aCMI cell-mediated immune responses were tested by stimulation of splenocytes.
  3. bBALF bronchoalveolar lavage fluid.