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Immune Responses In Cystic Fibrosis: Are They Intrinsically Defective?, Dmitry Ratner, Christian Mueller
Immune Responses In Cystic Fibrosis: Are They Intrinsically Defective?, Dmitry Ratner, Christian Mueller
Christian Mueller
Cystic fibrosis (CF), the most common lethal single-gene disorder affecting Northern Europeans and North Americans, is caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. Cftr is a chloride channel and a regulator of other ion channels, and many aspects of the CF phenotype are directly related to ion channel abnormalities attributable to CFTR mutation. Lung disease is the most common limitation to the quantity and quality of life for patients with CF. One aspect that continues to be enigmatic is the observed alterations in innate and adaptive immune responses to certain pathogens. Altered responses to Pseudomonas …
Modulation Of Exaggerated-Ige Allergic Responses By Gene Transfer-Mediated Antagonism Of Il-13 And Il-17e., Christian Mueller, Allison Keeler, Sofia Braag, Timothy Menz, Qiushi Tang, Terence Flotte
Modulation Of Exaggerated-Ige Allergic Responses By Gene Transfer-Mediated Antagonism Of Il-13 And Il-17e., Christian Mueller, Allison Keeler, Sofia Braag, Timothy Menz, Qiushi Tang, Terence Flotte
Christian Mueller
Asthma and allergic rhinitis are almost invariable accompanied by elevated levels of immunoglobin E (IgE), and more importantly a genetic link between IgE levels and airway hyper-responsiveness has been established. We hypothesized that expression of soluble receptors directed against interleukin (IL)-13 and IL-17e would prevent the cytokines from engaging the cell-bound receptors and therefore help to attenuate allergic responses in a Cftr(-/-)-dependent mouse model of exaggerated-IgE responses. Cftr(-/-) mice were injected with recombinant adeno-associated virus 1 (rAAV1) intramuscularly expressing soluble receptors to IL-17e (IL-17Rh1fc) or IL-13 (IL-13Ralpha2Fc). Total IgE levels, in mice receiving the IL-17Rh1fc and IL-13Ralpha2Fc therapy, were lower …