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Illustration of the asthma pathway induced by the major putative YHQFC targets and known therapeutic targets of chronic bronchitis.
Abbreviations: YHQFC, Yin–Huang–Qing–Fei capsule; IL, interleukin; APC, antigen-presenting cell; MHC, major histocompatibility complex; Th, T helper; TCR, T cell receptor; BCR, B cell receptor; IgE, immunoglobulin E; LTD4, leukotriene D4; PAF, platelet-activating factor; ECP, eosinophil cationic protein; MBP, myelin basic protein.
