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Nutrition: Herbs

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Total 217 results found since Jan 2013.

The flavonol glycoside icariin promotes bone formation in growing rats by activating the cAMP signaling pathway in primary cilia of osteoblasts Signal Transduction
In this study, using rat calvarial osteoblast culture and rat bone growth models, we demonstrated that icariin promotes bone formation by activating the cAMP/protein kinase A (PKA)/cAMP response element–binding protein (CREB) pathway requiring functional primary cilia of osteoblasts. We found that icariin increases the peak bone mass attained by young rats and promotes the maturation and mineralization of rat calvarial osteoblasts. Icariin activated cAMP/PKA/CREB signaling of the osteoblasts by increasing intracellular cAMP levels and facilitating phosphorylation of both PKA and CREB. Blocking cAMP/PKA/CREB signaling wit...
Source: Journal of Biological Chemistry - December 22, 2017 Category: Chemistry Authors: Wengui Shi, Yuhai Gao, Yuanyuan Wang, Jian Zhou, Zhenlong Wei, Xiaoni Ma, Huiping Ma, Cory J. Xian, Jufang Wang, Keming Chen Tags: Molecular Bases of Disease Source Type: research

Kidney-Replenishing Herb Induces SOCS-3 Expression via ERK/MAPK Pathway and Improves Growth of the First-Trimester Human Trophoblast Cells.
Authors: Xing CY, Zhang DX, Gui SQ, Tao MF Abstract Kidney-replenishing herb is a traditional medicine formula in China which has been widely used for clinical treatment of recurrent miscarriage. Our previous study showed that Kidney-replenishing herb could promote proliferation and inhibit apoptosis of the human first-trimester trophoblasts. In the present study, we further explored the potential mechanism and signal pathway of Kidney-replenishing herb on human trophoblast cells. Our research showed that Kidney-replenishing herb stimulated proliferation and reduced apoptosis of human trophoblast cells in vitro, an...
Source: Evidence-based Complementary and Alternative Medicine - December 15, 2017 Category: Complementary Medicine Tags: Evid Based Complement Alternat Med Source Type: research

ADAM17 Participates in the Protective Effect of Paeoniflorin on Mouse Brain Microvascular Endothelial Cells
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Source: Journal of Cellular Physiology - December 7, 2017 Category: Cytology Authors: Haifang Wang, Shuhui Ma, Jing Li, Miaomiao Zhao, Xueping Huo, Jingying Sun, Lijun Sun, Jun Hu, Qinshe Liu Tags: ORIGINAL RESEARCH ARTICLE Source Type: research

Bavachin induces apoptosis through mitochondrial regulated ER stress pathway in HepG2 cells.
Abstract As a traditional herbal medicine, the fruits of Psoralea corylifolia L. (FP) have been widely used for the treatment of various skin diseases for hundred years. Recently, the emerging FP-induced toxic effects, especially hepatotoxicity, in clinic are getting the public's attention. However, its exact toxic components and mechanisms underlying remain unclear. Bavachin, one of flavonoids in FP, has been documented as a hepatotoxic substance, and the present study aimed to determine the toxicity caused by bavachin and the possible toxic mechanisms involved using HepG2 cells. Our results showed that bavachin ...
Source: Biological and Pharmaceutical Bulletin - November 29, 2017 Category: Drugs & Pharmacology Authors: Yang Y, Tang X, Hao F, Ma Z, Wang Y, Wang L, Gao Y Tags: Biol Pharm Bull Source Type: research

Chelerythrine inhibits human hepatocellular carcinoma metastasis in vitro.
In this study, we investigated the effects of Chelerythrine on the migration and invasion of the human hepatocellular carcinoma cell line Hep3B. MTT, wounding healing, transwell migration and invasion assays and cytoskeleton staining demonstrated that CHE could inhibit the migration and invasion of Hep3B cells in a dose-dependent manner with change of cell structure. RNA interference studies made a knockdown of MMP (matrix metalloproteinase)-2/9 respectively in Hep3B cells. And the results of wounding healing and transwell invasion assay with the treatment of siRNA investigated that MMP-2/9 are positively associated with H...
Source: Biological and Pharmaceutical Bulletin - October 31, 2017 Category: Drugs & Pharmacology Authors: Zhu Y, Pan Y, Zhang G, Wu Y, Zhong W, Chu C, Qian Y, Zhu G Tags: Biol Pharm Bull Source Type: research

Methyleugenol protects against t-BHP-triggered oxidative injury by induction of Nrf2 dependent on AMPK/GSK3 β and ERK activation
Publication date: Available online 19 September 2017 Source:Journal of Pharmacological Sciences Author(s): Junfeng Zhou, Xiaoyuan Ma, Yan Cui, Yang Song, Lei Yao, Yuanyuan Liu, Shanshan Li Methyleugenol (Mlg), a natural ingredient of many herbs and used as a flavoring substance in dietary products, inhibits inflammation and oxidative stress. The aim of the study is to explore the antioxidative potential of Mlg against tert-butyl hydroperoxide (t-BHP)-triggered oxidative injury and the involvement of antioxidative mechanisms. Our findings indicated that Mlg exposure significantly alleviated t-BHP-stimulated cytotoxicity,...
Source: Journal of Pharmacological Sciences - September 20, 2017 Category: Drugs & Pharmacology Source Type: research

Ephedrine-induced mitophagy via oxidative stress in human hepatic stellate cells.
In this study, we investigated hepatotoxicity and key regulation of mitophagy in ephedrine-treated LX-2 cells. Ephedrine triggered mitochondrial oxidative stress and depolarization. Mitochondrial swelling and autolysosome were observed in ephedrine-treated cells. Ephedrine also inhibited mitochondrial biogenesis, and the mitochondrial copy number was decreased. Parkin siRNA recovered the ephedrine-induced mitochondrial damage. Excessive mitophagy lead to cell death through imbalance of autophagic flux. Moreover, antioxidants and reducing Parkin level could serve as therapeutic targets for ephedrine-induced hepatotoxicity. ...
Source: Journal of Toxicological Sciences - July 21, 2017 Category: Toxicology Tags: J Toxicol Sci Source Type: research

Cimifugin suppresses allergic inflammation by reducing epithelial derived initiative key factors via regulating tight junctions
This study aims to determine the mechanism of cimifugin on epithelial cells in allergic inflammation. Mice were sensitized and challenged with FITC to establish type 2 atopic dermatitis (AD) model. The initial stage of AD model, in which mice were just sensitized with FITC, was established in vivo and immortalized human epidermal (HaCaT) cells were utilized in vitro. Initiative key cytokines, TSLP and IL‐33, were measured by ELISA, the junctions in ECs were observed by electron microscopy and TJs (CLDN‐1, occludin and CLDND1) were assessed by Western blot, immunohistochemistry and immunofluorescence. The results show...
Source: Journal of Cellular and Molecular Medicine - June 9, 2017 Category: Molecular Biology Authors: Xiaoyu Wang, Xiaoyan Jiang, Xi Yu, Hailiang Liu, Yu Tao, Guorong Jiang, Min Hong Tags: Original Article Source Type: research

Cimifugin suppresses allergic inflammation by reducing epithelial derived initiative key factors via regulating tight junctions.
This study aims to determine the mechanism of cimifugin on epithelial cells in allergic inflammation. Mice were sensitized and challenged with FITC to establish type 2 atopic dermatitis (AD) model. The initial stage of AD model, in which mice were just sensitized with FITC, was established in vivo and immortalized human epidermal (HaCaT) cells were utilized in vitro. Initiative key cytokines, TSLP and IL-33, were measured by ELISA, the junctions in ECs were observed by electron microscopy and TJs (CLDN-1, occludin and CLDND1) were assessed by Western blot, immunohistochemistry and immunofluorescence. The results showed t...
Source: J Cell Mol Med - June 9, 2017 Category: Molecular Biology Authors: Wang X, Jiang X, Yu X, Liu H, Tao Y, Jiang G, Hong M Tags: J Cell Mol Med Source Type: research

Molecules, Vol. 22, Pages 892: The Cytotoxicity of the Ajoene Analogue BisPMB in WHCO1 Oesophageal Cancer Cells Is Mediated by CHOP/GADD153
Garlic is a food and medicinal plant that has been used in folk medicine since ancient times for its beneficial health effects, which include protection against cancer. Crushed garlic cloves contain an array of small sulfur-rich compounds such as ajoene. Ajoene is able to interfere with biological processes and is cytotoxic to cancer cells in the low micromolar range. BisPMB is a synthetic ajoene analogue that has been shown in our laboratory to have superior cytotoxicity to ajoene. In the current study we have performed a DNA microarray analysis of bisPMB-treated WHCO1 oesophageal cancer cells to identify pathways and pro...
Source: Molecules - May 28, 2017 Category: Chemistry Authors: Vuyolwethu Siyo Georgia Sch äfer Roger Hunter Andriy Grafov Iryna Grafova Martin Nieger Arieh A. Katz M. Iqbal Parker Catherine H. Kaschula Tags: Article Source Type: research

Taraxacum mongolicum extract induced endoplasmic reticulum stress associated-apoptosis in triple-negative breast cancer cells
Conclusion ER stress related cell apoptosis accounted for the anti-cancer effect of dandelion extract, and these findings support dandelion extract might be a potential therapeutic approach to treat TNBC. Graphical abstract
Source: Journal of Ethnopharmacology - April 29, 2017 Category: Drugs & Pharmacology Source Type: research

Cynandione A attenuates neuropathic pain through p38 β MAPK-mediated spinal microglial expression of β-endorphin
This study aims to evaluate the antihypersensitivity activities of cynandione A in neuropathy and explored its mechanisms of action. Intrathecal injection of cynandione A dose-dependently attenuated spinal nerve ligation-induced mechanical allodynia and thermal hyperalgesia, with maximal possible effects of 57% and 59%, ED50s of 14.9 μg and 6.5 μg, respectively. Intrathecal injection of cynandione A significantly increased β-endorphin levels in spinal cords of neuropathic rats and its treatment concentration-dependently induced β-endorphin expression in cultured primary microglia (but not in neurons or astrocytes), wit...
Source: Brain, Behavior, and Immunity - February 8, 2017 Category: Neurology Source Type: research

Cynandione A attenuates neuropathic pain through p38 β MAPK-mediated spinal microglial expression of β-endorphin.
This study aims to evaluate the antihypersensitivity activities of cynandione A in neuropathy and explored its mechanisms of action. Intrathecal injection of cynandione A dose-dependently attenuated spinal nerve ligation-induced mechanical allodynia and thermal hyperalgesia, with maximal possible effects of 57% and 59%, ED50s of 14.9 μg and 6.5 μg, respectively. Intrathecal injection of cynandione A significantly increased β-endorphin levels in spinal cords of neuropathic rats and its treatment concentration-dependently induced β-endorphin expression in cultured primary microglia (but not in neurons or astrocytes), wit...
Source: Brain, Behavior, and Immunity - February 7, 2017 Category: Neurology Authors: Huang Q, Mao XF, Wu HY, Liu H, Sun ML, Wang X, Wang YX Tags: Brain Behav Immun Source Type: research

α-Iso-Cubebene Inhibits PDGF-Induced Vascular Smooth Muscle Cell Proliferation by Suppressing Osteopontin Expression
by Min A. Jang, Seung Jin Lee, Seung Eun Baek, So Youn Park, Young Whan Choi, Chi Dae Kim α-Iso-cubebene (ICB) is a dibenzocyclooctadiene lignin contained in Schisandra chinensis (SC), a well-known medicinal herb that ameliorates cardiovascular symptoms. Thus, we examined the effect of ICB on vascular smooth muscle cell (VSMC) proliferation, a key feature of diverse vascular diseases. When VSMCs primary cultured from rat thoracic aorta were stimulated with PDGF (1–10 ng/ml), cell proliferation and osteopontin (OPN) expression were concomitantly up-regulated, but these effects were attenuated when cells were treated wit...
Source: PLoS One - January 22, 2017 Category: Biomedical Science Authors: Min A. Jang Source Type: research

Protective effects of trans ‐caryophyllene on maintaining osteoblast function
In this study, we investigated the effects of TC on osteoblast function in osteoblastic MC3T3‐E1 cells. The results indicate that TC caused a significant elevation in collagen content, alkaline phosphatase activity, osteocalcin production, and mineralization, which are the four markers that account for the various stages of osteoblastic differentiation. In addition, pretreatment with TC prior to antimycin A exposure significantly reduced antimycin A‐induced cell damage by attenuating cell death, preventing the release of reactive oxygen species and impeding osteoblast dysfunction. TC has been shown to be an agonist of ...
Source: IUBMB Life - December 26, 2016 Category: Research Authors: Jinghua Shan, Lixia Chen, Keliang Lu Tags: Research Communication Source Type: research