Recently, Professor Zhang Guojun's group at the First Affiliated Hospital of Zhengzhou University has made positive progress in the research of the immune mechanism of acute exacerbation of bronchial asthma. The related results are published with a paper entitledSingle Cell Tranomic Analysis Reveals Key Immune Cell Phenotypes in the lung of Asthma Exacerbationin the internationally renowned Journal of Allergy and Clinical Immunology.