IL4 and asthma: Enhancing the prevalence of these genera has the potential to rectify the microbial microecology imbalance, modulate the diversity of intestinal microflora, disrupt the expression levels of TLR2 and TLR7, diminish the levels of IL-4, IL-5, and IL-13 inflammatory factors, and mitigate the progression of airway inflammation in asthma (Jia et al., 2023).