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ORIGINAL ARTICLE
Year : 2017  |  Volume : 13  |  Issue : 49  |  Page : 129-135

Therapeutic effect of Dendrobium candidum on lupus nephritis in mice


Chongqing Collaborative Innovation Center for Functional Food, Chongqing University of Education, Chongqing; Department of Biological and Chemical Engineering, Chongqing University of Education, Chongqing; Chongqing Engineering Research Center of Functional Food, Chongqing University of Education, Chongqing; Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing, P.R. China

Correspondence Address:
Xin Zhao
Department of Biological and Chemical Engineering, Chongqing University of Education, Chongqing
P.R. China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1296.197653

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Context: Dendrobium candidum (D.candimum) widely is a functional drug. The curative effect of D. candidum on lupus nephritis has been studied in vivo. Materials and Method: The DBA/2 and B6D2F1 mice were used for this in vivo experiment. The 50% effective dose (ED50) was used to check the effective concentration for this study. Then the SCr, BUN, TC, TG, IL-6, IL-12, TNF-α, and IFN-γ levels were determined by kits. The output of urine protein was determined by means of Coomassie Brilliant Blue, and the auto-antibody dsDNA was determined with titer plate technology and indirect immunofluorescence. The NF-κB, IκB-α, TGF 'β1, Fas, and FasL expressions were measured by RT-PCR and western blot assay. The component analysis of D. candidum was determined by nuclear magnetic resonance. Results: Based on the ED50 result at 329 mg/kg, 200 and 400 mg/kg doses were chosen for this study. SCr, BUN, TC and TG levels of 400 mg/kg D. candidum mice were lower than control mice, TP and ALB levels were higher than control mice. The control and 400 mg/kg treated mice tested positive for dsDNA at the end of sixth and tenth week after the experiment began. The glomerular number of 400 mg/kg treated mice was more than control group. Treatment with 400 mg/kg D. candidum reduced IL-6, IL-12, TNF-α and IFN-γcytokine levels as compared to control mice. D. candidum decreased NF-κb, TGF 'β1, Fas, FasL and increased IκB-α expressions in kidney tissue. There were 11 compounds in dry D. candidum, these compounds might make the curative effects of lupus nephritis. Conclusion: D. candidum showed a potential curative effect on lupus nephritis. It could be used as a health medicine on lupus nephritis. Abbreviations used: LN: Lupus nephritis, SLE: systemic lupus erythematosus, D. candidum: Dendrobium candidum; IL-6: interleukin-6, IL-12: interleukin-12, TNF-α: tumor necrosis factor alpha, IFN-γ: Interferon-gamma, SCr: serum creatinine, BUN: blood urea nitrogen, TC: total cholesterol, TG: triglyceride, TP: total protein, ALB: albumin.


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