Acupuncture Attenuates Allergic Airway Inflammation via CC10-Mediated Modulation of Lung Dendritic Cells.

Researchers have discovered how acupuncture may help people with allergic asthma by studying a specific protein in the lungs. In this study, asthma patients received acupuncture at three specific points on the upper back: GV14 (Dazhui), BL12 (Fengmen), and BL13 (Feishu). These are traditional acupuncture points commonly used for respiratory conditions.

The researchers found that acupuncture treatments led to better asthma control scores and reduced inflammation markers in the blood. More importantly, they discovered that acupuncture increased levels of a protein called CC10 (Clara cell 10-kDa protein), which helps regulate the immune system in the airways. To confirm this finding, they also studied mice with dust mite allergies and found similar results.

The mechanism works like this: acupuncture boosts CC10 protein levels, which then helps control specific immune cells called dendritic cells in the lungs. These cells play a key role in triggering allergic reactions. By regulating these cells, acupuncture reduced airway inflammation, decreased mucus production, and improved breathing. When researchers tested mice that couldn't produce CC10, acupuncture didn't work as well, confirming that this protein is essential for acupuncture's benefits.

For asthma patients, these findings suggest that acupuncture may offer real therapeutic benefits beyond placebo effects by targeting specific biological pathways involved in allergic inflammation. The treatment appears to work by naturally enhancing the body's own anti-inflammatory mechanisms rather than simply suppressing symptoms. If you're considering acupuncture for asthma management, consult with a licensed acupuncturist experienced in treating respiratory conditions.

This translational study investigated acupuncture's mechanism in allergic asthma through CC10-mediated DC modulation. Clinical intervention utilized GV14, BL12, and BL13 acupoints in asthma patients, demonstrating significant improvements in ACT scores, reduced peripheral leukocyte counts, and elevated serum CC10 levels. Parallel HDM-induced murine models confirmed that acupuncture attenuated airway hyperresponsiveness, suppressed eosinophilic infiltration, and downregulated Th2 cytokines while restoring pulmonary CC10 expression. Critically, CC10-deficient mice showed abrogated therapeutic effects, establishing CC10 dependency. Flow cytometry analysis revealed acupuncture specifically reduced pro-inflammatory CD11b+ DC populations in wild-type but not CC10-knockout mice. The study provides mechanistic evidence that acupuncture's anti-inflammatory effects operate through CC10 upregulation and subsequent modulation of pulmonary DC subsets, particularly CD11b+ DCs, thereby restoring airway immune homeostasis. These findings establish a novel immunomodulatory pathway and identify CC10 as both a mechanistic mediator and potential biomarker for acupuncture response in allergic asthma management.