Anti-nociceptive and anti-inflammatory potentials of Akebia saponin D.


Beijing Chao-Yang Hospital Affiliated with Beijing Capital Medical University, Beijing, China. Electronic address: [Email]


Akebia saponin D, which is originates from Dipsacus asper Wall, has been used as a tonic, an analgesic and anti-inflammatory agent for the therapy of low back pain, rheumatic arthritis, traumatic hematoma, habitual abortion and bone fractures in traditional Chinese medicine. However, the anti-nociceptive and anti-inflammatory activity and mechanism of Akebia saponin D has been rarely reported. The aim of this study was to investigate the anti-nociceptive and anti-inflammatory activity of Akebia saponin D and to assess its possible mechanism. The anti-nociceptive effect was measured by formalin test, hot plate, and acetic acid-induced writhing in mice while the anti-inflammatory effect was measured by carrageenan induced paw edema test, xylene-induced ear swelling and acetic acid-induced vascular permeability in mice and rats. Furthermore, anti-inflammatory effect was also measured in vitro using LPS-induced RAW 264.7 cells. Our results demonstrated that Akebia saponin D dose-dependently decreased the licking time in the formalin test, delayed the reaction time of mice to the hot plate, and inhibited acetic acid-induced writhing. Treatment of Akebia saponin D attenuated the carrageenan induced paw edema in rats, inhibited the mouse ear swelling, and decreased Evans blue concentration in acetic acid induced vascular permeability test, revealing its strong anti-inflammatory effect. Akebia saponin D significantly decreased NO production and iNOS expression. Our results indicate that Akebia saponin D has anti-nociceptive and anti-inflammatory effects. It will provide experimental evidences for the use of Akebia saponin D and can be used to develop a therapeutic drug against pain and inflammation related diseases.


Akebia saponin D,Anti-inflammatory,Anti-nociceptive,iNOS,

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