Baohuoside II CAS NO.113558-15-9

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Chemical Properties of Baohuoside I

Source of Baohuoside I

The roots of Epimedium brevicornu Maxim

Biological Activity of Baohuoside I

Protocol of Baohuoside I

Preparing Stock Solutions of Baohuoside I

References on Baohuoside I

[Two-dimensional zebrafish model combined with hyphenated chromatographic techniques for evaluation anti-osteoporosis activity of epimendin A and its metabolite baohuoside I].[Pubmed:25212043]

Yao Xue Xue Bao. 2014 Jun;49(6):932-7.

This article firstly established a new efficient method for screening anti-osteoporosis ingredients, which used two-dimensional zebrafish model combined with hyphenated chromatographic techniques to evaluate anti-osteoporosis activities of epimedin A and its metabolite Baohuoside I. Adult zebrafish was used for metabolism of epimedin A in 0.5% DMSO, and LC-MS was used for analysis of the metabolite, which was captured by HPLC, and prednisolone-induced osteoporosis model of zebrafish was used to evaluate the anti-osteoporotic activities of trace amounts of epimedin A and Baohuoside I. The results indicated that epimedin A and Baohuoside I can prevent prednisolone-induced osteoporosis in zebrafish. The developed method in this paper enables the separation, enrichment and analysis of micro-amount metabolite of epimedin A, and anti-osteoporosis activities in vivo of epimedin A and Baohuoside I was simple and efficient screening resorting to zebrafish osteoporosis mode. This paper would provide new ideas and methods for a rapid and early discovery of anti-osteoporosis activities of micro-ingredients and its metabolite of traditional Chinese medicine.

The flavonoid Baohuoside-I inhibits cell growth and downregulates survivin and cyclin D1 expression in esophageal carcinoma via beta-catenin-dependent signaling.[Pubmed:21785828]

Oncol Rep. 2011 Nov;26(5):1149-56.

Esophageal cancer is one of the most common malignancies and is associated with a dismal prognosis. Although treatment options have increased for some patients, overall progress has been modest. Thus, there is a great need to develop new treatments. We found that Baohuoside-I, a flavonoid extracted from a Chinese medicinal plant, exhibits anticancer activity. Here, we demonstrated that Baohuoside-I significantly inhibited Eca109 human esophageal squamous carcinoma cell proliferation and induced Eca109 cell apoptosis in vitro and in vivo. The growth inhibitory effect of Baohuoside-I on the Eca109 tumor cell line was examined by MTT assay; the induction of apoptosis was analyzed by flow cytometry. Eca109-luc cells were injected into the subcutaneous tissue of nude mice to establish xenograft tumors. Our results revealed that Baohuoside-I caused a dose- and time-dependent inhibition of cell growth and an induction of apoptosis. Furthermore, Baohuoside-I-treated cells were characterized by decreased expression of the beta-catenin gene and protein in the total cell lysates. Thus, the gene and protein expression of the downstream elements survivin and cyclin D1 was downregulated. To determine the precise inhibitory mechanisms involved, further in-depth in vivo studies of Baohuoside-I are warranted. Our study provides the first evidence that Baohuoside-I inhibits tumor growth and induces apoptosis by inhibiting beta-catenin-dependent signaling pathways. Thus, Baohuoside-I is a potential candidate in ESCC disease therapy.

Baohuoside-1, a novel immunosuppressive molecule, inhibits lymphocyte activation in vitro and in vivo.[Pubmed:15385801]

Transplantation. 2004 Sep 27;78(6):831-8.

BACKGROUND: We evaluated the in vitro and in vivo immunosuppressive effects of baohuoside-1 (B1), a novel flavonoid isolated from Epimedium davidii. METHODS: Proliferation assay was used to determine the antiproliferative properties on T-cell and B-cell proliferation. Flow cytometry analysis was applied to detect changes of phenotypes on activated cells. RESULTS: B1 inhibits the lymphocyte proliferation activated by polyclonal mitogens and mixed lymphocyte reaction with a 50% inhibitory concentration of low micromolar concentration. Also, B1 suppressed T-cell activation in T cell receptor/CD3-mediated signaling pathways in a dose- and time-dependent manner. The suppression of B1 was not simply a result of a toxic effect and was recovered by withdrawing the drug. B1 down-regulated the expression of some phenotype molecules. In Ca(2+)-independent or -dependent antigen stimulation, although B1 had different inhibitive patterns on CD69 expression stimulated by phorbol 12-myristate 13-acetate (PMA) or Ca2+ ionophore, it inhibited T-cell proliferation induced by CD3/CD28 or PMA/ionomycin and partially blocked that induced by PMA/CD28. Interestingly, an additive inhibition between B1 and tacrolimus (FK506) was found in the CD69 expression stimulated by PMA/CD28 and PMA/ionomycin. Similarly, this immunosuppression by combination therapy was observed in a heart transplantation model in vivo and might act through an immunosuppressive mechanism different from FK506. CONCLUSIONS: B1, whose mechanism of action is not similar to that of FK506, has selectively immunosuppressive effects on T-cell and B-cell activation in vitro and effectively prevents rat heart allograft rejection in vivo.

Reactive oxygen species-mediated mitochondrial pathway is involved in Baohuoside I-induced apoptosis in human non-small cell lung cancer.[Pubmed:22687635]

Chem Biol Interact. 2012 Jul 30;199(1):9-17.

Baohuoside I (also known as Icariside II) is a flavonoid isolated from Epimedium koreanum Nakai. Although Baohuoside I exhibits anti-inflammatory and anti-cancer activities, its molecular targets/pathways in human lung cancer cells are poorly understood. Therefore, in the present study, we investigated the usefulness of Baohuoside I as a potential apoptosis-inducing cytotoxic agent using human adenocarcinoma alveolar basal epithelial A549 cells as in vitro model. The apoptosis induced by Baohuoside I in A549 cells was confirmed by annexin V/propidium iodide double staining, cell cycle analysis and dUTP nick end labeling. Further research revealed that Baohuoside I accelerated apoptosis through the mitochondrial apoptotic pathway, involving the increment of BAX/Bcl-2 ratio, dissipation of mitochondrial membrane potential, transposition of cytochrome c, caspase 3 and caspase 9 activation, degradation of poly (ADP-ribose) polymerase and the over-production of reactive oxygen species (ROS). A pan-caspase inhibitor, Z-VAD-FMK, only partially prevented apoptosis induced by Baohuoside I, while NAC, a scavenger of ROS, diminished its effect more potently. In addition, the apoptotic effect of Baohuoside I was dependent on the activation of ROS downstream effectors, JNK and p38(MAPK), which could be almost abrogated by using inhibitors SB203580 (an inhibitor of p38(MAPK)) and SP600125 (an inhibitor of JNK). These findings suggested that Baohuoside I might exert its cytotoxic effect via the ROS/MAPK pathway.

Description

Baohuoside I, a flavonoid isolated from Epimedium koreanum Nakai, acts as an inhibitor of CXCR4, downregulates CXCR4 expression, induces apoptosis and shows anti-tumor activity.

Keywords:

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