Anti-inflammatory and Immune-regulatory Effects of Subcutaneous Perillae Fructus Extract Injections on OVA-induced Asthma in Mice.

Evid Based Complement Alternat Med

Department of Meridian & Acupoint, Department of Acupuncture, College of Oriental Medicine, Daejeon University, South Korea, and Department of Biomedical Engineering, College of Medicine, Seoul National University, South Korea.

Published: March 2010

AI Article Synopsis

  • Perillae fructus (perilla seed) is a traditional herb used for treating asthma, combined with acupuncture techniques at the ST36 point for enhanced therapeutic effects.
  • A study on asthmatic mice showed that injecting this herbal extract significantly reduced lung inflammation, the number of inflammatory cells, and specific cytokine levels linked to allergic reactions.
  • The findings indicate that Perillae fructus herbal acupuncture may help manage bronchial asthma by correcting immune system imbalances and reducing airway inflammation.

Article Abstract

Perillae fructus (perilla seed) is a traditional medicinal herb used to treat bronchial asthma in Oriental medical clinics. ST36 is one of the most widely used acupuncture points, particularly for immune system regulation. Injection of an herbal extract into an acupuncture point (herbal acupuncture) is a therapeutic technique combining both acupuncture and herbal treatment. Perillae fructus extract was injected subcutaneously (Perillae fructus herbal acupuncture; PF-HA) at acupoint ST36 of OVA-induced asthmatic mice. The lung weight, bronchoalveolar fluid (BALF) cell count, the number of CCR3+, CD11b+, CD4+ and CD3e+/CD69+ cells in the lung, and the level of IgE, IL-4, IL-5 and IL-13 in BALF and serum were then measured. RT-PCR was used to measure the mRNA expression of IL-4, IL-5, IL-13 and TNF-α in the lung. Lung sections were analyzed histologically. PF-HA significantly reduced lung weight, the number of inflammatory cells in the lung and BALF, the levels of IgE and Th2 cytokines in BALF and serum, mRNA expression of Th2 cytokines in the lung, and pathological changes in lung tissue. Our results suggest that PF-HA may have an anti-inflammatory and immune-regulatory effect on bronchial allergic asthma by restoring the Th1/Th2 imbalance in the immune system and suppressing eosinophilic inflammation in airways.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2816376PMC
http://dx.doi.org/10.1093/ecam/nem118DOI Listing

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