KMID : 1035420200080040163
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Journal of The Korean Society of Integrative Medicine 2020 Volume.8 No. 4 p.163 ~ p.169
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Inhibitory effect of Persicaria perfoliata (L.) H. Gross on IgE mediated allergic responses in RBL-2H3 cells
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Yoon Hyun-Seo
Park Chung-Mu
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Abstract
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Purpose : : This study aimed to investigate the anti-allergic effect of Persicaria perfoliata water extract (PPWE) on IgE stimulated rat basophilic leukemia (RBL-2H3) cell line.
Method : : P. perfoliata (L.) H. Gross has been used in traditional medicine as an anti-allergic agent, antipyretic, and diuretic and for respiratory disorders. To analyze the anti-allergic activity of PPWE, release of ¥â-hexosaminidase in RBL-2H3 cells was estimated by enzyme linked immunosorbant assay (ELISA). Also, the cytotoxic effect of PPWE was identified by WST assay, and nuclear factor (NF)-¥êB and its upstream signaling molecules were assessed by western blot analysis.
Result : : PPWE treatment significantly attenuated ¥â-hexosaminidase release in a dose dependent manner without any cytotoxicity. PPWE inhibited ¥â-hexosaminidase activity by 38.4 ¡¾ 1.2, 36.58 ¡¾ 0.6, 32.5 ¡¾ 2.2, and 26.5 ¡¾ 1.2 at 500, 250, 100, and 50 ¥ìg/ml of PPWE, respectively, compared with the control group. In addition, an analysis of the expression level of NF-¥êB, an inflammatory transcription factor, in RBL-2H3 cells upon IgE stimulation provided results consistent with the results of ¥â-hexosaminidase release. The phosphorylated status of upstream signaling molecules for transcription factor, mitogen activated protein kinases (MAPKs), was also analyzed. The results showed that PPWE treatment dose-dependently inhibited phosphorylation of extracellular regulatory kinase (ERK) and c-Jun N-terminal kinase (JNK). These results show that PPWE had a strong IgE-mediated degranulation inhibitory effect on RBL-2H3 cells
Conclusion : : P. perfoliata ameliorated IgE-mediated allergic reaction via the modulation of MAPK and NF-¥êB signaling pathway in RBL-2H3 cells. These results indicate that P. perfoliata could be a potential candidate for a treatment strategy against various allergic disorders.
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KEYWORD
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Antiallergic effect, Mitogen activated protein kinase, Nuclear factor-¥êB, Persicaria perfoliata (L.) H. Gross, RBL-2H3
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