B-Lymphocyte Subsets

Publication Title: 
Journal of Immunology (Baltimore, Md.: 1950)

Mice sensitized to OVA and subjected to acute OVA aerosol exposures develop allergic airway disease (AAD). However, chronic continuous Ag exposure results in resolution of AAD and the development of local inhalational tolerance (LIT). Because we have previously observed the persistence of B cells in the bronchoalveolar lavage (BAL) and hilar lymph nodes (HLN) at the resolution stage of this model, we investigated the role of B cells in the modulation of AAD.

Author(s): 
Singh, Anurag
Carson, William F.
Secor, Eric R.
Guernsey, Linda A.
Flavell, Richard A.
Clark, Robert B.
Thrall, Roger S.
Schramm, Craig M.
Publication Title: 
Journal of Lipid Research

The role of n-3 polyunsaturated fatty acids (PUFA) on in vivo B-cell immunity is unknown. We first investigated how n-3 PUFAs impacted in vivo B-cell phenotypes and antibody production in the absence and presence of antigen compared with a control diet. Lean mice consuming n-3 PUFAs for 4 weeks displayed increased percentage and frequency of splenic transitional 1 B cells. Upon stimulation with trinitrophenylated-lipopolysaccharide, n-3 PUFAs increased the number of splenic transitional 1/2, follicular, premarginal, and marginal zone B cells.

Author(s): 
Teague, Heather
Fhaner, Cassie J.
Harris, Mitchel
Duriancik, David M.
Reid, Gavin E.
Shaikh, Saame Raza
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