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https://www.readbyqxmd.com/read/29341943/beneficial-effect-of-chronic-treatment-with-extracts-from-rhodiola-rosea-l-and-curcuma-longa-l-on-the-immunoreactivity-of-animals-subjected-to-a-chronic-mild-stress-model
#1
Liliya V Vasileva, Kremena Е Saracheva, Mariya V Ivanovska, Atanaska P Petrova, Emir Sucouglu, Mariana A Murdjeva, Damyanka P Getova-Spasova
BACKGROUND: Recent studies have suggested increased levels of pro-inflammatory cytokines in depression. AIM: The present study aimed to evaluate the effect of extracts from Rhodiola and Curcuma on immunoreactivity of animals subjected to a chronic mild stress (CMS) model followed by lipopolysaccharide-induced inflammation. MATERIALS AND METHODS: Male Wistar rats (n=56) divided in 7 groups were treated orally with: distilled water 10 ml/kg (control and CMS model groups); Rhodiola 250 mg/kg; Rhodiola 500 mg/kg; Curcuma 250 mg/kg; Curcuma 500 mg/kg, Rhodiola 250 mg/kg and Curcuma 250 mg/kg...
December 20, 2017: Folia Medica
https://www.readbyqxmd.com/read/29325918/bioactive-fraction-of-rhodiola-algida-against-chronic-hypoxia-induced-pulmonary-arterial-hypertension-and-its-anti-proliferation-mechanism-in-rats
#2
Xingmei Nan, Shanshan Su, Ke Ma, Xiaodong Ma, Ximeng Wang, Dongzhu Zhaxi, Rili Ge, Zhanqiang Li, Dianxiang Lu
BACKGROUND: Rhodiola algida has long been used to prevent acute and chronic altitude sickness. In our previous study, we screened for a bioactive fraction from R. algida. However, the effects and mechanisms of this bioactive fraction on chronic hypoxia-induced pulmonary arterial hypertension remain to be elucidated. OBJECTIVE: The aim of this study was to determine the effect of bioactive fraction from R. algida (ACRT) on chronic hypoxia-induced pulmonary arterial hypertension (HPAH) and to understand the possible mechanism of its pharmacodynamic actions...
January 8, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29325481/stress-management-and-the-role-of-rhodiola-rosea-a-review
#3
Ion-George Anghelescu, David Edwards, Erich Seifritz, Siegfried Kasper
OBJECTIVE: Stress describes the physiological reaction to threat or pressure, which manifests as physical symptoms of exhaustion or energy loss and psychological symptoms, including irritability or tension. If untreated, chronic stress or burnout may develop, both are areas of unmet medical need. Evidence-based treatment and prevention measures are needed. METHODS: Prevention strategies and existing treatment options for stress-related symptoms were evaluated to establish criteria for an adequate pharmacological approach to stress...
January 11, 2018: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/29323042/mitochondrial-protective-and-anti-apoptotic-effects-of-rhodiola-crenulata-extract-on-hippocampal-neurons-in-a-rat-model-of-alzheimer-s-disease
#4
Jun-Mei Wang, Ze-Qiang Qu, Jin-Lang Wu, Peter Chung, Yuan-Shan Zeng
In our previous study, we found that the edible alcohol extract of the root of the medicinal plant Rhodiola crenulata (RCE) improved spatial cognition in a rat model of Alzheimer's disease. Another study from our laboratory showed that RCE enhanced neural cell proliferation in the dentate gyrus of the hippocampus and prevented damage to hippocampal neurons in a rat model of chronic stress-induced depression. However, the mechanisms underlying the neuroprotective effects of RCE are unclear. In the present study, we investigated the anti-apoptotic effect of RCE and its neuroprotective mechanism of action in a rat model of Alzheimer's disease established by intracerebroventricular injection of streptozotocin...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29309848/gone-with-the-trees-phylogeography-of-rhodiola-sect-trifida-crassulaceae-reveals-multiple-refugia-on-the-qinghai-tibetan-plateau
#5
Yuan-Cong Li, Da-Lv Zhong, Guang-Yuan Rao, Jun Wen, Yi Ren, Jian-Qiang Zhang
Quaternary climatic oscillations have had tremendous effects on current distribution of species. Previous studies unraveled multiple microrefugia on the Qinghai-Tibetan Plateau (QTP) in two woody plants. Still we know little whether herbs growing in forests responded to climatic oscillations similarly. We herein conducted a phylogeographic study on Rhodiola sect. Trifida, an herbaceous group endemic to the QTP, which mainly growing on the forest floors, using plastid and ITS sequences as well as ecological niche modeling...
January 5, 2018: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29298516/rhodiola-crenulata-attenuates-%C3%AE-ray-induced-cellular-injury-via-modulation-of-oxidative-stress-in-human-skin-cells
#6
Kuen-Tze Lin, Tsu-Chung Chang, Feng-Yi Lai, Chun-Shu Lin, Hsing-Lung Chao, Shih-Yu Lee
Skin injury is a major complication during radiation therapy and is associated with oxidative damage to skin cells. An effective and safe radioprotectant to prevent this skin damage is still unavailable. The Rhodiola crenulata root extract (RCE) has been reported to be a free radical scavenger and a potent anti-oxidant in both in vitro and in vivo models. In the current study, we investigated the effects of RCE on ionizing radiation-induced skin injury and its underlying mechanisms. HaCaT cells - a non-cancerous skin cell line together with HepG2, Caco2, A549, and OECM cancer cell lines - were pre-treated with RCE for 24[Formula: see text]h followed by exposure to 15 Gy using Caesium-137 as a γ-ray source...
January 3, 2018: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29277428/complete-pathway-elucidation-and-heterologous-reconstitution-of-rhodiola-salidroside-biosynthesis
#7
Michael P Torrens-Spence, Tomáš Pluskal, Fu-Shuang Li, Valentina Carballo, Jing-Ke Weng
Salidroside is a bioactive tyrosine-derived phenolic natural product found in medicinal plants under the Rhodiola genus. In addition to their anti-fatigue and anti-anoxia roles in traditional medicine, Rhodiola total extract and salidroside have also displayed medicinal properties as anti-cardiovascular diseases and anti-cancer agents. The resulting surge in global demand of Rhodiola plants and salidroside has driven some species close to extinction. Here, we report the full elucidation of Rhodiola salidroside biosynthetic pathway utilizing the first comprehensive transcriptomics and metabolomics datasets for Rhodiola rosea...
December 19, 2017: Molecular Plant
https://www.readbyqxmd.com/read/29246220/inhibition-of-autophagy-enhances-synergistic-effects-of-salidroside-and-anti-tumor-agents-against-colorectal-cancer
#8
Hai Li, Chen Chen
BACKGROUND: Various plant extracts have been suggested to be used as auxiliary agents in chemotherapy considering their anti-proliferative effect on cancer cells. However, recent reports reveal that plant extracts may function as inducers of autophagy of cancer cells. In general, autophagy confers survival advantage for cells responding to stress conditions, thus representing an important mechanism for chemo-resistance. This study was aimed to investigate the effectiveness of combined use of Salidroside (Sal, a phenylpropanoid glycosides from Rhodiola rosea L) with anti-tumor agents against colorectal cancer (CRC) cells, and moreover to evaluate the potential role of autophagy in the combined therapy...
December 16, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29242120/osteoprotective-effects-of-salidroside-in-ovariectomized-mice-and-diabetic-mice
#9
Xiang-Fan Chen, Xiao-Li Li, Min Yang, Yan Song, Yan Zhang
Salidroside, an active constituent from the root of Rhodiola rosea L., has multiple pharmacological effects, such as anti-cancer, anti-inflammatory and anti-oxidative properties, etc. However, its protective effect on bone tissue via regulating calcium homeostasis is yet to be determined. This study was performed to investigate if salidroside could protect against bone injuries induced by estrogen deficiency or hyperglycemia through modulating calcium homeostasis. Ovariectomized (OVX) mice and diabetic mice were treated with salidroside (20mg/kg) for 6 weeks...
December 11, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29214185/administration-of-rhodiola-kirilowii-extracts-during-mouse-pregnancy-and-lactation-stimulates-innate-but-not-adaptive-immunity-of-the-offspring
#10
Sławomir Lewicki, Ewa Skopińska-Różewska, Aleksandra Brewczyńska, Robert Zdanowski
The use of antibiotics during pregnancy and lactation is associated with an increased risk of developmental disorders. One of the natural medicinal plants-Rhodiola kirilowii, widely used as an immunostimulant in adults-might be a good alternative to antibiotic treatment. The aim of present study was to assess whether daily oral administration of 20 mg/kg of Rhodiola kirilowii aqueous (RKW) or 50% hydroalcoholic (RKW-A) extracts affected hematological and immunological parameters of 6-week-old mouse progeny...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/29172735/effects-of-ganoderma-rhodiola-and-grape-seed-extracts-on-the-glucuronidation-and-oral-bioavailability-of-resveratrol-in-rats
#11
Zhaoqing Cong, Man Zhou, Feifei Yang, Chunyu Liu, Ruile Pan, Qi Chang, Xinmin Liu, Yonghong Liao
Herb extracts were shown to inhibit the activity of UDP-glucuronosyltransferases (UGTs) in vitro. However, the actual in vivo effect of the inhibitory ability on oral bioavailability is yet verified. In this study, resveratrol (RES) was used as a model drug to study the effect of three Chinese herb extracts, Ganoderma, Rhodiola and grape seed, on the in vitro and in vivo inhibition of glucuronidation and the in vivo bioavailability of RES. Overall, although herb extracts might show inhibition on glucuronidation of RES in vitro and in vivo, the inhibition of glucuronidation did not necessarily mean to improve the in vivo bioavailability of RES...
November 26, 2017: Natural Product Research
https://www.readbyqxmd.com/read/29154110/authentication-of-eleutherococcus-and-rhodiola-herbal-supplement-products-in-the-united-kingdom
#12
Markus Ruhsam, Peter M Hollingsworth
Siberian ginseng (Eleutherococcus senticosus, Araliaceae) and roseroot (Rhodiola rosea, Rosaceae) are popular herbal supplements which have been shown to improve resilience to conditions such as stress and exhaustion. Using DNA barcoding methods we tested 25 Siberian ginseng and 14 roseroot products which are widely available to UK customers to test whether the herbal ingredient stated on the label is also in the product. All Siberian ginseng supplements contained E. senticosus, however, 36% also contained an Eleutherococcus species other than E...
November 9, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29132111/characterization-of-global-metabolic-profile-of-rhodiola-crenulata-after-oral-administration-in-rat-plasma-urine-bile-and-feces-based-on-uhplc-ft-icr-ms
#13
Yanting Li, Yangyang Zhao, Xintong Li, Tianfeng Liu, Xiwei Jiang, Fei Han
Rhodiola crenulata has been widely used as a health food, antifatigue and antidepressant in China and many other countries for centuries. However, to date the metabolism of it in vivo still remains unclear. In this study, UHPLC-FT-ICR MS was used to analyze the major components and their metabolites in rats after oral administration of Rhodiola crenulata for the first time. A total of 179 constituents, including 37 prototype compounds and 142 metabolites (89 phase I metabolites and 53 phase II metabolites) were tentatively identified...
November 10, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29093682/salidroside-a-natural-antioxidant-improves-%C3%AE-cell-survival-and-function-via-activating-ampk-pathway
#14
Linjie Ju, Xiaohua Wen, Chunjun Wang, Yingjie Wei, Yunru Peng, Yongfang Ding, Liang Feng, Luan Shu
Aim: The enhanced oxidative stress contributes to progression of type 2 diabetes mellitus (T2DM) and induces β-cell failure. Salidroside is a natural antioxidant extracted from medicinal food plant Rhodiola rosea. This study was aimed to evaluate protective effects of salidroside on β-cells against diabetes associated oxidative stress. Methods and Results: In diabetic db/db and high-fat diet-induced mice, we found salidroside ameliorated hyperglycemia and relieved oxidative stress. More importantly, salidroside increased β-cell mass and β-cell replication of diabetic mice...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29034747/long-term-supplementation-of-rhodiola-kirilowii-extracts-during-pregnancy-and-lactation-does-not-affect-mother-health-status
#15
Sławomir Lewicki, Ewa Skopińska-Różewska, Aneta Lewicka, Robert Zdanowski
Antibiotics treatment during pregnancy and lactation is problematic. The alternative to the antibiotic treatment is the use of plant-derived supplements, which stimulate immune system to prevent and eliminate bacterial infection. Here we evaluated the effect of long-term use of Rhodiola kirilowii on the health of mouse mothers. Pregnant mice were fed daily, for whole pregnancy and for 28 days after giving birth, with Rhodiola kirilowii water (RKW) or hydroalcoholic extract (RKW-A) (at 20 mg of extracts/kg)...
October 16, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29031534/salidroside-alleviates-high-glucose-induced-oxidative-stress-and-extracellular-matrix-accumulation-in-rat-glomerular-mesangial-cells-by-the-txnip-nlrp3-inflammasome-pathway
#16
Shiying Wang, Xinxin Zhao, Suxia Yang, Baoping Chen, Jun Shi
Diabetic nephropathy (DN) is a metabolic disease characterized by mesangial cell proliferation and extracellular matrix (ECM) accumulation. Salidroside (SAL) is the major ingredient in Rhodiola rosea and possesses beneficial effects on DN. This study aimed to evaluate the effect of SAL on high glucose (HG)-induced oxidative stress and ECM accumulation and the underlying mechanism. Rat glomerular mesangial cells HBZY-1 were induced by high glucose (HG) in the presence or absence of SAL. Cell proliferation was measured by CCK-8 assay...
October 12, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29027439/-resource-investigation-about-tibetan-medicine-rhodiola-kirilowii
#17
Dao-Xin Hong, Jin-Song Su, Jian Wen, Jing Zhang, Yi Zhang
The investigation aims to better understand the resource status of Rhodiola kirilowii, analysis the suitable habitat of wild Rh. kirilowii and protect the wild resources of Rh. Kirilowii, promoting the sustainable utilization of Rh. kirilowii resources. In this paper, we investigated the wild resources of Rh. kirilowii in 16 counties of Sichuan, Qinghai, Gansu and Yunnan by means of investigation and sampling investigation combined with interview. The results showed that the population densities of wild Rh...
March 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28970519/fungal-endophyte-induced-salidroside-and-tyrosol-biosynthesis-combined-with-signal-cross-talk-and-the-mechanism-of-enzyme-gene-expression-in-rhodiola-crenulata
#18
Jin-Long Cui, Ya-Nan Wang, Jin Jiao, Yi Gong, Jun-Hong Wang, Meng-Liang Wang
Endophyte is a factor that affects the physiology and metabolism of plant. However, limited information is available on the mechanism of interaction between endophyte and plant. To investigate the effects of endophytic fungus ZPRs-R11, that is, Trimmatostroma sp., on salidroside and tyrosol accumulations in Rhodiola crenulata, signal transduction, enzyme gene expression, and metabolic pathway were investigated. Results showed that hydrogen peroxide (H2O2), nitric oxide (NO), and salicylic acid (SA) involved in fungus-induced salidroside and tyrosol accumulations...
October 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28968926/immunopotentiating-significance-of-conventionally-used-plant-adaptogens-as-modulators-in-biochemical-and-molecular-signalling-pathways-in-cell-mediated-processes
#19
REVIEW
Pardeep Kaur, Robin, Victor O Makanjuola, Rohit Arora, Balbir Singh, Saroj Arora
Natural products are of great surge in the identification of chemopreventive agents and biologically active molecules for the development of new promising therapeutic agents. These agents influence the cascade of biochemical and molecular signalling pathways involved in numerous physiological and pathological processes. The natural agents combat the dogma associated with the most dreaded, unconquered health concern and a multigenic disease- cancer. A category of plants known as adaptogens maintain perturbed homoeostasis, augment adaptations to noxious stimuli (exposure to cold, heat, pain, general stress, infectious organisms) and offer endurance to attenuate several disorders in human beings...
November 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28946765/endoplasmic-reticulum-stress-and-nf-formula-see-text-b-pathway-in-salidroside-mediated-neuroprotection-potential-of-salidroside-in-neurodegenerative-diseases
#20
Chenggui Wang, Yiting Lou, Jianxiang Xu, Zhenhua Feng, Yu Chen, Qian Tang, Qingqing Wang, Haiming Jin, Yaosen Wu, Naifeng Tian, Yifei Zhou, Huazi Xu, Xiaolei Zhang
Microglial activation leads to increased production of proinflammatory enzymes and cytokines, which is considered to play crucial role in neurodegenerative diseases, however there are only a few drugs that target microglia activation. Recent studies have indicated that the Traditional Chinese Medicine, salidroside (Sal), exerted anti-inflammatory effects. According to this evidence, our present study aims to explore the effect of the Sal (a phenylpropanoid glycoside compound which is isolated from rhodiola), on microglia activation in lipopolysaccharide (LPS)-stimulated BV-2 cells...
2017: American Journal of Chinese Medicine
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