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https://www.readbyqxmd.com/read/28805981/noncompetitive-inhibition-of-human-cyp2c9-in%C3%A2-vitro-by-a-commercial-rhodiola-rosea-product
#1
Ole Kristian Forstrønen Thu, Olav Spigset, Bent Hellum
A commercial Rhodiola rosea (R. rosea) product has previously demonstrated CYP2C9 inhibition in humans. The purpose of this study was to provide in vitro inhibitory data for this particular interaction and to classify the mechanism of the interaction. Another aim was to examine the in vitro influence of ethanol on the CYP2C9 activity. Human CYP2C9 (wild type) isolated from a baculovirus-infected cell system was incubated with 0.8 μmol/L losartan for 20 min. Sulfaphenazole was used as a positive control...
August 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28803422/salidroside-improved-cerebrovascular-vasodilation-in-streptozotocin-induced-diabetic-rats-through-restoring-the-function-of-bkca-channel-in-smooth-muscle-cells
#2
Yu-Guang Ma, Jun-Wei Wang, Yin-Bin Zhang, Bao-Feng Wang, Zhi-Jun Dai, Man-Jiang Xie, Hua-Feng Kang
Vessel disease is a kind of severe complication in diabetic patients. However, few pharmacologic agents can directly recover diabetic vascular function. Salidroside (SAL), a major ingredient from Rhodiola rosea, has been found to have an obvious hypoglycemic effect and a beneficial protection on vascular function in diabetes. However, whether SAL is a suitable treatment for diabetes has not so far been evaluated and the underlying mechanisms remain unknown. The present work aims to (1) investigate the potential effects of SAL on cerebrovascular relaxation in streptozotocin-induced diabetic rats or when exposed to acute hyperglycemia condition and (2) examine whether function of the BKCa channel is involved in SAL treatment for diabetic vascular relaxation...
August 12, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28798798/the-protective-effect-of-salidroside-on-hypoxia-induced-corpus-cavernosum-smooth-muscle-cell-phenotypic-transformation
#3
Xiang Zhang, Jian-Feng Zhao, Fan Zhao, Jun-Feng Yan, Fan Yang, Xiao-Jun Huang, Gang Chen, Hui-Ying Fu, Bo-Dong Lv
Salidroside, a major active ingredient isolated from Rhodiola rosea, has a long application in Chinese medical history. It has widely demonstrated effects on fatigue, psychological stress, and depression and exhibits potential antihypoxia activity. Emerging evidence shows that hypoxia is an important independent risk factor for erectile dysfunction (ED). The aim of this study was to clarify the effect of salidroside on hypoxia-induced phenotypic transformation of corpus cavernosum smooth muscle cells (CCSMCs)...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28757888/rhodiolae-kirliowii-radix-et-rhizoma-and-crataegus-pinnatifida-fructus-extracts-effectively-inhibit-bk-virus-and-jc-virus-infection-of-host-cells
#4
San-Yuan Chen, Ru-Hsiou Teng, Meilin Wang, Pei-Lain Chen, Mien-Chun Lin, Cheng-Huang Shen, Chun-Nun Chao, Ming-Ko Chiang, Chiung-Yao Fang, Deching Chang
The human polyomaviruses BK (BKPyV) and JC (JCPyV) are ubiquitous pathogens long associated with severe disease in immunocompromised individuals. BKPyV causes polyomavirus-associated nephropathy and hemorrhagic cystitis, whereas JCPyV is the causative agent of the fatal demyelinating disease progressive multifocal leukoencephalopathy. No effective therapies targeting these viruses are currently available. The goal of this study was to identify Chinese medicinal herbs with antiviral activity against BKPyV and JCPyV...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28714019/salidroside-protects-pc12-cells-from-a%C3%AE-1%C3%A2-40%C3%A2-induced-cytotoxicity-by-regulating-the-nicotinamide-phosphoribosyltransferase-signaling-pathway
#5
Xujiao Huang, Sanli Xing, Chuan Chen, Zhihua Yu, Jiulin Chen
Alzheimer's disease (AD) is the most common type of senile dementia, which often develops in elderly or presenile individuals. As one of the pathological features of AD, amyloid β‑protein (Aβ) causes energy dysmetabolism, thereby inducing cellular damage and apoptosis. Salidroside is the main active component of the traditional Chinese medicine Rhodiola. Previous studies have demonstrated that salidroside exerts a regulatory role in energy metabolism. However, the role and the mechanism of action of salidroside in AD remain unclear...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28680451/the-proliferation-enhancing-effects-of-salidroside-on-schwann-cells-in-vitro
#6
Hui Liu, Peizhen Lv, Huayu Wu, Kun Zhang, Fuben Xu, Li Zheng, Jinmin Zhao
Derived from Rhodiola rosea L., which is a popular plant in Eastern Europe and Asia, salidroside has pharmacological properties including antiviral, anticancer, hepatoprotective, antidiabetic, and antioxidative effects. Recent studies show that salidroside has neurotrophic and neuroprotective effects. However, the effect of salidroside on Schwann cells (SCs) and the underlying mechanisms of the salidroside-induced neurotrophin secretion have seldom been studied. In this study, the effect of salidroside on the survival, proliferation, and gene expression of Schwann cells lineage (RSC96) was studied through the examinations of the cell viability, proliferation, morphology, and expression of neurotrophic factor related genes including BDNF, GDNF, and CDNF at 2, 4, and 6 days, respectively...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28680327/different-effects-of-feeding-pregnant-and-lactating-mice-rhodiola-kirilowii-aqueous-and-hydro-alcoholic-extracts-on-their-serum-angiogenic-activity-and-content-of-selected-polyphenols
#7
Robert Zdanowski, Ewa Skopińska-Różewska, Jacek Wilczak, Anna Borecka, Aneta Lewicka, Sławomir Lewicki
Angiogenesis plays an important role in many physiological processes, among them the formation of tissues and organs during embryogenesis. A lot of medicinal plants exhibit angiomodulatory properties. This creates the need for a thorough check of whether the plant extracts that we would like to give to pregnant women in order to increase their resistance to bacterial or viral infection will have negative effects on angiogenesis, and consequently on fetal development. This paper seeks to investigate the effect of serum of pregnant and nursing Balb/c mice that received aqueous (RKW) or hydro-alcoholic (RKW-A) R...
2017: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/28680326/the-effect-of-feeding-mice-during-gestation-and-nursing-with-rhodiola-kirilowii-extracts-or-epigallocatechin-on-cd4-and-cd8-cells-number-and-distribution-in-the-spleen-of-their-progeny
#8
Sławomir Lewicki, Piotr Orłowski, Małgorzata Krzyżowska, Anna Kiepura, Ewa Skopińska-Różewska, Robert Zdanowski
Rhodiola kirilowii, a member of Crassulaceae family, grows wildly in Asiatic mountains and is also cultivated in some European countries. Its underground parts traditionally are used for enhance physical and mental performance of the body. In our previous papers we reported immuno- and angio-modulatory effects of aqueous and hydro-alcoholic extracts of radix and rhizome of this plant in mice. In the present work we evaluated the effect of Rhodiola kirilowii water- (RKW) or hydro-alcoholic (RKW-A) extracts and epigallocatechin (one of the polyphenols present in these extracts) given to mice, during pregnancy and nursing period, on the number and localization of CD4+ and CD8+ cells in spleens of adult progeny mice...
2017: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/28672961/salidroside-inhibits-high-glucose-induced-proliferation-of-vascular-smooth-muscle-cells-via-inhibiting-mitochondrial-fission-and-oxidative-stress
#9
Xinyu Zhuang, Alimujiang Maimaitijiang, Yong Li, Haiming Shi, Xiaofei Jiang
The mitochondria are highly dynamic organelles, carefully maintaining network homeostasis by regulating mitochondrial fusion and fission. Mitochondrial dynamics are involved in the regulation of a variety of pathophysiological processes, including cell proliferation. Oxidative stress serves an important role in the remodeling of arterial vascular tissue in diabetic patients by affecting the proliferation of vascular smooth muscle cells (VSMCs). Salidroside is the primary active component of Rhodiola rosea and has been demonstrated to be an antioxidant with cardio- and vascular-protective effects, in addition to improving glucose metabolism...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28662530/dna-barcoding-for-industrial-quality-assurance
#10
Tiziana Sgamma, Claire Lockie-Williams, Marco Kreuzer, Sarah Williams, Ulrike Scheyhing, Egon Koch, Adrian Slater, Caroline Howard
DNA barcoding methods originally developed for the identification of plant specimens have been applied to the authentication of herbal drug materials for industrial quality assurance. These methods are intended to be complementary to current morphological and chemical methods of identification. The adoption of these methods by industry will be accelerated by the introduction of DNA-based identification techniques into regulatory standards and monographs. The introduction of DNA methods into the British Pharmacopoeia is described, along with a reference standard for use as a positive control for DNA extraction and polymerase chain reaction (PCR)...
June 29, 2017: Planta Medica
https://www.readbyqxmd.com/read/28625836/molecular-interaction-studies-of-acetylcholinesterase-with-potential-acetylcholinesterase-inhibitors-from-the-root-of-rhodiola-crenulata-using-molecular-docking-and-isothermal-titration-calorimetry-methods
#11
Fa-Jie Li, Yuan Liu, Yuan Yuan, Bin Yang, Zhen-Ming Liu, Lu-Qi Huang
(-)-Epicatechin gallate ((-)-ECG), 1,2,3,4,6-O-pentagalloylglucose (PGG), rhodionin, herbacetin and rhodiosin isolated from the root of Rhodiola crenulata exhibited potent, dose-dependent inhibitory effects on acetylcholinesterase (AChE) with IC50 ranged from 57.50±5.83 to 2.43±0.34μg/mL. With the aim of explaining the differences in activity of these active ingredients and clarifying how they inhibit AChE, the AChE-inhibitor interactions were further explored using molecular docking and isothermal titration calorimetry (ITC) methods in the present study...
June 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28610437/a-new-ferulic-acid-ester-from-rhodiola-wallichiana-var-cholaensis-crassulaceae
#12
Yaling Song, Jianming Zhou, Xuejing Wang, Xue Xie, Yiwu Zhao, Fuyong Ni, Wenzhe Huang, Zhenzhong Wang, Wei Xiao
A new ferulic acid ester, 6-feruloyloxyhexanoic acid (1), was isolated along with 10 known ones (2-11), from the concentrated water extract of Rhodiola wallichiana var. cholaensis. Their chemical structures were elucidated on the basis of extensive spectroscopic methods including Two-dimensional nuclear magnetic resonance (2D NMR) experiments. Compound 3 was isolated from this plant for the first time. The protective effects against H2O2-induced myocardial cell injury in cultured H9c2 cells were also evaluated...
June 14, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28566694/production-of-three-phenylethanoids-tyrosol-hydroxytyrosol-and-salidroside-using-plant-genes-expressing-in-escherichia-coli
#13
Daeun Chung, So Yeon Kim, Joong-Hoon Ahn
Polyphenols, which include phenolic acids, flavonoids, stilbenes, and phenylethanoids, are generally known as useful antioxidants. Tyrosol, hydroxytyrosol, and salidroside are typical phenylethanoids. Phenylethanoids are found in plants such as olive, green tea, and Rhodiola and have various biological activities, including the prevention of cardiovascular diseases, cancer, and brain damage. We used Escherichia coli to synthesize three phenylethanoids, tyrosol, hydroxytyrosol, and salidroside. To synthesize tyrosol, the aromatic aldehyde synthase (AAS) was expressed in E...
May 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28547990/fermentative-production-of-phenolic-glucosides-by-escherichia-coli-with-an-engineered-glucosyltransferase-from-rhodiola-sachalinensis
#14
Qinglin He, Hua Yin, Jingjie Jiang, Yanfen Bai, Ning Chen, Shaowei Liu, Yibin Zhuang, Tao Liu
Three rosmarinic acid analogs produced by recombinant Escherichia coli, two xanthones from fungi and honokiol from plants, were explored as the substrates of E. coli harboring a glucosyltransferase mutant UGT73B6(FS) to generate phenolic glucosides. Six new and two known compounds were isolated from the fermentation broth of the recombinant strain of the feeding experiments, and the compounds were identified by spectroscopy. The biotransformation of rosmarinic acid analogs and xanthones into corresponding glucosides was presented for the first time...
June 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28524038/-intervention-effect-of-qingzao-runfei-huazhuo-xingxue-decoction-on-pm2-5-induced-pulmonary-injury-in-mice
#15
Jinbo Zhang, Lei Zhang, Yanxia Chen, Xinlu Wang, Aihua Hou, Lingling Dai
OBJECTIVE: To study the effects of Qingzao Runfei Huazhuo Xingxue decoction (QRHXD) on inflammatory reaction and histopathology in mice with PM2.5-induced pulmonary injury, and to approach the possible mechanism of prevention and treatment of traditional Chinese medicine on lung injury induced by haze. METHODS: Fifty healthy male C57BL/6 mice were randomly divided into five groups (n = 10): namely control, PM2.5, PM2.5 + low-, moderate-, and high-dose groups. The PM2...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28490015/salidroside-attenuates-ventilation-induced-lung-injury-via-sirt1-dependent-inhibition-of-nlrp3-inflammasome
#16
Yan Wang, Chu-Fan Xu, Yu-Jian Liu, Yan-Fei Mao, Zhou Lv, Si-Yuan Li, Xiao-Yan Zhu, Lai Jiang
BACKGROUND: Salidroside (SDS) is the main effective ingredient of Rhodiola rosea L with a variety of pharmacologic properties. We aim to investigate the effects of SDS on ventilation induced lung injury (VILI) and explore the possible underlying molecular mechanism. METHODS: Lung injury was induced in male ICR mice via mechanical ventilation (30 ml/kg) for 4h. The mice were divided in four groups:(1) Control group; (2) Ventilation group; (3) SDS group; (4) Ventilation with SDS group...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28475810/draft-genome-sequence-of-the-tibetan-medicinal-herb-rhodiola-crenulata
#17
Yuanyuan Fu, Liangwei Li, Shijie Hao, Rui Guan, Guangyi Fan, Chengcheng Shi, Haibo Wan, Wenbin Chen, He Zhang, Guocheng Liu, Jihua Wang, Lulin Ma, Jianling You, Xuemei Ni, Zhen Yue, Xun Xu, Xiao Sun, Xin Liu, Simon Ming-Yuen Lee
Rhodiola crenulata, a well-known medicinal Tibetan herb, is mainly grown in high-altitude regions of the Tibet, Yunnan, and Sichuan provinces in China. In the past few years, increasing numbers of studies have been published on the potential pharmacological activities of R. crenulata, strengthening our understanding into its putitive active ingredient composition, pharmacological activity, and mechanism of action. These findings also provide strong evidence supporting the important medicinal and economical value of R...
June 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28446004/conditioned-medium-derived-from-salidroside-pretreated-mesenchymal-stem-cell-culture-ameliorates-mouse-lipopolysaccharide-induced-cerebral-neuroinflammation-histological-and-immunohistochemical-study
#18
Zeinab M El Maadawi
Background and Objectives: Neuroinflammation is involved in the pathogenesis of neurodegenerative disorders. Conditioned medium (CM) derived from bone marrow mesenchymal stem cells (MSCs) revealed substantial benefits due to its rich content of trophic factors. Salidroside (Sal), extracted from Rhodiola rosea, is known for its anti-inflammatory and neuroprotective effects. This study was designed to investigate the effect of Sal pretreated CM (CM-Sal) derived from bone marrow MSCs in lipopolysaccharide (LPS) induced neuroinflammation...
May 30, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28441970/salidroside-contributes-to-reducing-blood-pressure-and-alleviating-cerebrovascular-contractile-activity-in-diabetic-goto-kakizaki-rats-by-inhibition-of-l-type-calcium-channel-in-smooth-muscle-cells
#19
Yu-Guang Ma, Jun-Wei Wang, Yun-Gang Bai, Mei Liu, Man-Jiang Xie, Zhi-Jun Dai
BACKGROUND: Vascular disease is a common and often severe complication in diabetes mellitus. Hyperglycemia and hypertension are considered to be two of the leading risk factors for vascular complications in diabetic patients. However, few pharmacologic agents could provide a combinational therapy for controlling hyperglycemia and blood pressure in diabetic patients at the same time. Salidroside (SAL) is the major active ingredient derived from Rhodiola. Recently, it has been reported that SAL have an obvious hypoglycemic effect in diabetes and show a beneficial activity in diabetic vascular dysfunction...
April 26, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28378154/plant-derived-phosphocholine-facilitates-cellular-uptake-of-anti-pulmonary-fibrotic-hjt-srna-m7
#20
Jianchao Du, Zhu Liang, Jiantao Xu, Yan Zhao, Xiaoyun Li, Yanli Zhang, Dandan Zhao, Ruxuan Chen, Yang Liu, Trupti Joshi, Jiahui Chang, Zhiqing Wang, Yanxu Zhang, Jindong Zhu, Qiang Liu, Dong Xu, Chengyu Jiang
Pulmonary fibrosis, a progressive chronic disease with a high mortality rate, has limited treatment options. Currently, lung transplantation remains the only effective treatment. Here we report that a small RNA, HJT-sRNA-m7, from a Chinese herbal medicine Hong Jing Tian (HJT, Rhodiola crenulata can effectively reduce the expressions of fibrotic hallmark genes and proteins both in alveolar in vitro and in mouse lung tissues in vivo. We also discovered over one hundred oil-soluble chemicals from HJT decoctions, most of which are found in lipid extracts from other Chinese herbals decoctions, including Pu Gong Ying (PGY, Taraxacum mongolicum), Chuan Xin Lian (CXL, Andrographis paniculata), and Jin Yin Hua (JYH, lonicera japonica or Honeysuckle)...
March 31, 2017: Science China. Life Sciences
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