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KMID : 1129720080250020159
Korean Journal of Acupuncture
2008 Volume.25 No. 2 p.159 ~ p.177
Effects of Moxi-tar Herbal Acupuncture at Cheonchu (ST25) on Crohn¡¯s Disease Induced by TNBS in Mices
Kim Young-Tae

Ahn Seong-Hun
Kim Jae-Hyo
Sohn In-Chul
Abstract
Objectives: Crohn¡¯s disease is a severe chronic inflammation that is treated mainly by immunosuppression, which often has serious side effects. There is need to develop new therapeutic methods or drugs that have few side effects in order to treat this disease. Acupuncture with Moxi-tar at Cheonchu (ST25) has anti-inflammatory properties, but the mechanism of its anti-inflammatory actions is unclear. We investigated the protective effects and speculated the mechanisms of acupuncture with Moxi-tar at ST25 on trinitrobenzene sulfonic acid (TNBS) induced colitis in mice which is a well known Crohn¡¯s disease animal model.

Methods: 5 % TNBS was treated at day 1 and day 7 into rectum of mice. To investigate therapeutic effects of acupuncture with Moxi-tar at ST25, acupuncture was carried out on day 3, and day 6. For the data analysis, we observed macroscopic and microscopic findings of the colon. Weight and width of the colon, degree of damage, changes of body weight, and myeloperoxygenase (MPO) activity were checked. For analysing protein expression, we carried out immunohistochemical staining and Western blot. For analysing mRNA expression, RT-PCR was carried out.

Results: TNBS induced damages on the colon of mice, while acupuncture of Moxi-tar at ST25 suppressed TNBS mediated damages similar to those on the colons of mice in the control (not treated with TNBS) group. The average body weight of TNBS treated mice (77.4%) was decreased compared with that of the control mice (105%), and acupuncture with Moxi-tar at ST25 suppressed the loss of body weight caused by TNBS (from 77.4% to 95.3%). TNBS induced infiltration of immune cells in all layers of the colon while acupuncture with Moxi-tar at ST25 suppressed infiltration of immune cells caused by TNBS. Furthermore, acupunctured with Moxi-tar at ST25 suppressed macro-, micro- colonic damages caused by TNBS. Acupunctured with Moxi-tar at ST25 dramatically improved the clinical and histopathological symptoms such as the increase in weight of the distal colon and the MPO activity in TNBS-induced colitis. Acupuncture with Moxi-tar at ST25 down-regulated the nuclear transcription factor kappa B (NF-xB) activity and suppressed tumor necrosis factor-a (TNF-a), interleukin-b (IL-1b), and intracellular adhesion molecule-1 (ICAM-1) expressions caused by TNBS.

Conclusions: Acupuncture with Moxi-tar at ST25 helps recovery from the TNBS-induced colonic damage by down-regulation of NF-xB activity and suppressing of TNF-a, IL-1b, and ICAM-1 expressions. This may be an important method for the treatment of Crohn¡¯s disease.
KEYWORD
Moxi-tarHerbalAcupuncture, AcupointST25, Crohn¡¯sdisease, TNBS
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