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Notch receptors direct the differentiation of T helper (Th) cell subsets, but their influence on regulatory T (TR) cell responses is obscure. Interruption of Notch signaling in TR cells resulted in a super-regulatory phenotype, with suppression of TR cell Th1 programming and apoptosis as well as Th1...
ORGANISM(S): Mus musculus 
The relative contribution of polarized macrophages to the maintenance of tolerance is unknown. We examined their roles by in vivo adoptive transfer immunotherapy of M0, M1 and M2a macrophages as pre-treatment of colitis. In other experiments, M2a macrophages were used as pre-treatment or treatment o...
ORGANISM(S): Mus musculus 
Polymorphisms in the interleukin-4 receptor ? chain (IL-4R?) have been linked to asthma incidence and severity, but a causal relationship has remained uncertain. In particular, a glutamine to arginine substitution at position 576 (Q576R) of IL-4R? has been associated with severe asthma, especially i...
ORGANISM(S): Mus musculus 
The relative contribution of induced and natural Foxp3+ regulatory T cells (iTreg and nTreg cells, respectively) to the maintenance of tolerance is unknown. We examined their respective roles by in vivo adoptive transfer immunotherapy of newborn Foxp3-deficient BALB/c mice. Survival, weight gain, ...
ORGANISM(S): Mus musculus 
Treg Cell TGF-β1 Regulates Distinct Checkpoints Governing Allergy and Autoimmunity
Asthma is a common chronic inflammatory airway condition with a strong genetic and inheritability component, as siblings and first-degree relatives of those with the disease are often affected. For our studies, we used a well-characterized transgenic mouse model of allergic airway inflammation induc...
ORGANISM(S): Mus musculus 
Epigenetic changes have been implicated in pathogenesis of asthma. We sought to determine if IL13, a key cytokine in airway inflammation and remodeling, induced miRNAs expression changes in the airways in conjunction with its transcriptional gene regulation. For our studies, we used a well-character...
ORGANISM(S): Mus musculus 
Epigenetic changes have been implicated in pathogenesis of asthma. We sought to determine if IL13, a key cytokine in airway inflammation and remodeling, induced epigenetic DNA methylation changes in the airways in conjunction with its transcriptional gene regulation. For our studies, we used a well-...
ORGANISM(S): Mus musculus 
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