Recent studies using mouse models of pulmonary inflammation (a model for human asthma) have found that mice deficient in the C3a receptor have greatly reduced disease symptoms when challenged with inhaled preparations containing extracts of the fungal pathogen Aspergillus fumigatus. Specifically, the C3a receptor-deficient mice showed reduced influx of granulocytes and lymphocytes into the lung and reduced fluid in the lung after challenge. What is the explanation for these findings?

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The Answer of Recent studies using mouse models of pulmonary inflammation (a model for human asthma) have found that mice deficient in the C3a receptor have greatly reduced disease symptoms when challenged with inhaled preparations containing extracts of the fungal pathogen Aspergillus fumigatus. Specifically, the C3a receptor-deficient mice showed reduced influx of granulocytes and lymphocytes into the lung and reduced fluid in the lung after challenge. What is the explanation for these findings?

Recent Studies Using Mouse Models of Pulmonary Inflammation (A Model