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Isolation and Identification of Benzochroman and Acylglycerols from Massa Medicata Fermentata and Their Inhibitory Effects on LPS-Stimulated Cytokine Production in Bone Marrow-Derived Dendritic Cells.

ABSTRACT: Massa Medicata Fermentata (MMF), known as Shenqu, is an important traditional Chinese medicine widely used to treat indigestion, vomiting, and diarrhea. In this study, a new benzochroman, 3(S)-3,4-dihydro-5,10-di-?-d-glucopyranoside-2,2-dimethyl-2H-naphtho(2,3-b)pyran-3-ol (1), and five known galactosyl acylglycerols (2?6) were isolated from a methanol extract from MMF. In addition, their chemical structures were determined by chemical and spectroscopic methods, which were compared with the previously reported data. Furthermore, the effects of isolated compounds on lipopolysaccharide (LPS)-stimulated bone marrow-derived dendritic cells were investigated. Compounds 1?3 exhibited significant inhibitory effects on the LPS-induced production of IL-6 and IL-12 p40, with IC50 values ranging from 1.6 to 10.2 ?M. Compounds 2 and 3 also exhibited strong inhibitory effects on the LPS-stimulated production of TNF-? with IC50 values of 12.0 and 11.2 ?M, respectively. The results might provide a scientific basis for the development of the active components in MMF, as well as for novel anti-inflammatory agents.

SUBMITTER: Sun YN

PROVIDER: S-EPMC6225101 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Isolation and Identification of Benzochroman and Acylglycerols from Massa Medicata Fermentata and Their Inhibitory Effects on LPS-Stimulated Cytokine Production in Bone Marrow-Derived Dendritic Cells.

Sun Ya Nan YN Yang Seo Young SY Koh Young-Sang YS Kim Young Ho YH Li Wei W

Molecules (Basel, Switzerland) 20180919 9

Massa Medicata Fermentata (MMF), known as Shenqu, is an important traditional Chinese medicine widely used to treat indigestion, vomiting, and diarrhea. In this study, a new benzochroman, 3(S)-3,4-dihydro-5,10-di-β-d-glucopyranoside-2,2-dimethyl-2H-naphtho(2,3-b)pyran-3-ol (1), and five known galactosyl acylglycerols (2⁻6) were isolated from a methanol extract from MMF. In addition, their chemical structures were determined by chemical and spectro ...[more]

PMID: 30235872

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Project description:Objective: To investigate the effect of Massa Medicata Fermentata (MMF) on the changes of pathogenic flagellar bacteria and visceral hypersensitivity in rats with diarrhea irritable bowel syndrome (IBS-D). Methods: Thirty adult SD rats were randomly divided into normal control group (n = 10), model control group (n = 10), and MMF group (n = 10). Acetic acid enema combined with restraint stress was used to build the IBS-D visceral hypersensitivity model; Abdominal withdrawal reflex (AWR) test was used to assess the visceral sensitivity of rats; 16SrRNA sequencing was used to analyze the changes of intestinal bacteria in each group, and the content of pathogenic flagellated bacteria were quantitatively counted; The content of flagellin in colonic mucosa was detected by ELISA; TLR5 protein in colonic mucosa of rats was detected by Western Blot. Results: After IBS-D modeling, the visceral sensitivity of rats was significantly higher in the model control group than that in the normal control group (p = 0.0061), while it was significantly decreased in MMF group compared with the model control group (p = 0.0217), but without significant difference compared with the normal control group (p = 0.6851). The number of fecal Bifidobacterium and Lactobacillus in the model group were significantly decreased compared with the normal control group (p < 0.0001); While they were significantly increased in the MMF group compared with the model control group and normal control group (p = 0.009; p < 0.0001). The amount of fecal pathogenic flagellated bacteria in the model group was significantly increased compared with the normal control group (p = 0.001); However it was significantly reduced in MMF group compared with the model group (p = 0.026), which has no statistically difference with the normal control group (p = 0.6486). The content of flagellin in colonic mucosa was significantly increased in the model group when compared with the normal control group (p < 0.0001), and it was decreased in MMF group compared with the normal control group (p < 0.0001), but there was no statistical difference with the normal control group (p = 0.6545). The expression level of TLR5 protein in colonic mucosa of rat was significantly increased in model control group compared with the normal control group (p = 0.0034), However, it was significantly decreased in MMF group compared with normal control group (p = 0.0019), but it was no statistical difference with the normal control group (p = 0.7519). Conclusion: MMF can reduce visceral hypersensitivity by decreasing the content of pathogenic flagellated bacteria and their flagellin and inhibiting its specific receptor TLR5 protein expression in colonic mucosa in IBS-D rats.

Dataset Information

Isolation and Identification of Benzochroman and Acylglycerols from Massa Medicata Fermentata and Their Inhibitory Effects on LPS-Stimulated Cytokine Production in Bone Marrow-Derived Dendritic Cells.

Publications

Isolation and Identification of Benzochroman and Acylglycerols from Massa Medicata Fermentata and Their Inhibitory Effects on LPS-Stimulated Cytokine Production in Bone Marrow-Derived Dendritic Cells.

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