journal
MENU ▼
Read by QxMD icon Read
search

Chinese Journal of Natural Medicines

journal
https://www.readbyqxmd.com/read/29703331/an-uplc-ms-ms-method-for-simultaneous-determination-of-multiple-constituents-in-guizhi-fuling-capsule-with-ultrafast-positive-negative-ionization-switching
#1
Rong-Hua Zhang, Chao-Ran Li, Hua Yang, Meng-Ning Li, Karl W K Tsim, Ping Li, Wen Gao
Guizhi Fuling capsule (GFC), a traditional Chinese medicine (TCM) with effects of promoting blood circulation and dissipating blood stasis, has been widely used in the clinic. Because of the complex matrix and various chemical structure types, quality control of GFC remains great challenge. In the present study, an ultra performance liquid chromatography hybrid triple-quadrupole mass spectrometry (UPLC-QQQ MS) method with ultrafast positive/negative ionization switching was developed for simultaneous determination of 18 bioactive components in GFC, including methyl gallate, ethyl gallate, oxypaeoniflorin, benzoic acid, albiflorin, paeonolide, paeoniflorin, 1, 2, 3, 4, 6-pentagalloylglucose, mudanpioside C, benzoyloxypaeoniflorin, benzoylpaeoniflorin, pachymic acid, amygdalin, cinnamaldehyde, paeonol, cinnamic acid, 4-hydroxybenzoic acid, and gallic acid...
April 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29703330/screening-and-analysis-of-key-active-constituents-in-guanxinshutong-capsule-using-mass-spectrum-and-integrative-network-pharmacology
#2
Feng Liu, Xia DU, Pei-Rong Liu, Yu-Hong Sun, Yan-Min Zhang
Guanxinshutong capsule (GXSTC) is an effective and safe traditional Chinese medicine used in the treatment of cardiovascular diseases (CVDs) for many years. However, the targets of this herbal formula and the underlying molecular mechanisms of action involved in the treatment of CVDs are still unclear. In the present study, we used a systems pharmacology approach to identify the active ingredients of GXSTC and their corresponding targets in the calcium signaling pathway with respect to the treatment of CVDs...
April 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29703329/formulation-development-and-evaluation-of-gastroretentive-floating-beads-with-brucea-javanica-oil-using-ionotropic-gelation-technology
#3
Yue Zhang, Xi-Tong Zhang, Qi Zhang, Bing Wang, Tong Zhang
In the present study, a gastric retention floating system for Brucea javanica oil, composed of alginate and carrageenan, was prepared using ionotropic gelation. Parameters for floatability, drug load, encapsulation efficiency, bead morphology, in vitro release, and in vivo gastric retention were evaluated. The optimized formulation via Box-Behnken design consisted of 1.7% alginate (W/V), 1.02% carrageenan (W/V), 1.4% CaCO3 (W/V), and a gelling bath of pH 0.8. The alginate-carrageenan-Brucea javanica oil beads had a porous structure and exhibited up to 24 h of in vitro floatability with a load capacity of 45%-55% and an encapsulation efficiency of 70%-80%...
April 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29703328/cornus-mas-l-extract-as-a-multifunctional-material-for-manufacturing-cosmetic-emulsions
#4
Z Nizioł-Łukaszewska, T Wasilewski, T Bujak, K Gaweł-Bęben, P Osika, D Czerwonka
Dogwood fruits are a valuable source of active ingredients, such as phenolic compounds, vitamin C, iridoids, flavonoids and anthocyanins. Plant extracts and substances derived from latin Cornus mas L. exhibit not only strong antibacterial but also antioxidant and tonicity properties, effectively preventing the development of inflammation in living organisms. In the present study, we attempted to obtain the innovative, multi-functional plant extract from the fruit of dogwood (Cornus mas L.). During the extraction process a mixture of water, glycerol, and vegetable oil were used as an extractant...
April 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29703327/metabolic-profiling-of-endogenous-bile-acids-a-novel-method-to-assess-hepatoprotective-effect-of-tanreqing-capsule-on-carbon-tetrachloride-induced-liver-injury-in-rats
#5
Ying Xu, Ping-Ping Zhong, Yan-Yan Tao
Tanreqing (TRQ), a traditional Chinese medicine (TCM) formula, can alleviate liver injury and improve liver function. Its pharmacological mechanisms of actions are still unclear due to its complex components and multi-target natures. Metabolomic study is an effective approach to investigating drug pharmacological actions, new diagnostic markers, and potential mechanisms of actions. In the present study, a new strategy was used to evaluate the protective effect of TRQ capsule against carbon tetrachloride (CCl4 )-induced hepatotoxicity in rats, by analyzing metabolic profiling of endogenous bile acids (BAs) along with biochemical and histological analyses...
April 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29703326/-1-h-nmr-based-metabolomics-approach-to-investigating-the-renal-protective-effects-of-genipin-in-diabetic-rats
#6
Jun-Sheng Tian, Lei Zhao, Xiao-Li Shen, Huan Liu, Xue-Mei Qin
Diabetic nephropathy is one of the various complications of diabetes mellitus, affecting patients for lifetime. Earlier studies have revealed that genipin can not only improve diabetes, but also induce cytotoxicity. Therefore, it is not clear which effect of genipin on kidneys occurs, when it is used in the treatment of diabetes. In the present study, we performed nuclear magnetic resonance (NMR)-based metabolomics analysis of urine and kidney tissue samples obtained from diabetic rats to explore the change of endogenous metabolites associated with diabetes and concomitant kidney disease...
April 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29703325/constituent-and-effects-of-polysaccharides-isolated-from-sophora-moorcroftiana-seeds-on-lifespan-reproduction-stress-resistance-and-antimicrobial-capacity-in-caenorhabditis-elegans
#7
Yuan Zhang, Dan-Yang Mi, Jin Wang, Yan-Ping Luo, Xu Yang, Shi Dong, Xing-Ming Ma, Kai-Zhong Dong
Sophora moorcroftiana (S. moorcroftiana) is an endemic leguminous dwarf shrub in Tibet, China. Decoctions of the seeds have been used in Chinese folk medicine for dephlogistication, detoxication, and infectious diseases. The present study aimed to investigate the constituent and biological effects of polysaccharides from S. moorcroftiana seeds in Caenorhabditis elegans (C. elegans). Polysaccharides from S. moorcroftiana seeds (SMpol) were extracted with 60% ethanol and constituent was analyzed by GC-MS. SMpol was composed of glucose, galactose and inositol in the molar ratio of 35...
April 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29703324/label-free-quantitative-proteomics-reveals-fibrinopeptide-b-and-heparin-cofactor-ii-as-potential-serum-biomarkers-in-respiratory-syncytial-virus-infected-mice-treated-with-qingfei-oral-liquid-formula
#8
Li-Hua Zhou, Jian-Ya Xu, Chen Dai, Yi-Man Fan, Bin Yuan
Respiratory syncytial virus (RSV) is a leading cause of acute lower respiratory tract infections. Qingfei oral liquid (QFOL), a traditional Chinese medicine, is widely used in clinical treatment for RSV-induced pneumonia. The present study was designed to reveal the potential targets and mechanism of action for QFOL by exploring its influence on the host cellular network following RSV infection. We investigated the serum proteomic changes and potential biomarkers in an RSV-infected mouse pneumonia model treated with QFOL...
April 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29576060/discovery-of-novel-limonin-derivatives-as-potent-anti-inflammatory-and-analgesic-agents
#9
Shao-Chi Wang, Yun Yang, Jing Liu, Ai-Dou Jiang, Zhao-Xing Chu, Si-Ying Chen, Guo-Qing Gong, Guang-Wei He, Yun-Gen Xu, Qi-Hua Zhu
Novel series of limonin derivatives (V-A-1-V-A-8, V-B-1-V-B-8) were synthesized by adding various tertiary amines onto the C (7)-position of limonin. The synthesized compounds possessed favorable physicochemical property, and the intrinsic solubility of the novel compounds were significantly improved, compared with limonin. Different pharmacological models were used to evaluate the analgesic and anti-inflammatory activities of the target compounds. Compound V-A-8 exhibited the strongest in vivo activity among the novel limonin analogs; its analgesic activity was more potent than aspirin and its anti-inflammatory activity was stronger than naproxen under our testing conditions...
March 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29576059/sedative-and-antinociceptive-activities-of-two-new-sesquiterpenes-isolated-from-ricinus-communis
#10
Umar Farooq, Ajmal Khan, Sadia Naz, Abdur Rauf, Haroon Khan, Afsar Khan, Irfan Ullah, Syed Majid Bukhari
Two new sesquiterpenes, trivially named ricinusoids A (1) and ricinusoids B (2), were isolated from ethyl acetate fraction of Ricinus communis. The structures of new compounds were elucidated by detailed spectroscopic techniques, including 1D- and 2D-NMR, UV, IR spectroscopy, and mass spectrometry. The compounds (1-2) were also assessed for in-vivo sedative and analgesic like effects in open field and acetic acid induced writhing tests respectively at 5, 10, and 20 mg·kg-1 i.p. Pretreatment of both test compounds caused significant (P ≤ 0...
March 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29576058/antioxidant-xanthones-and-anthraquinones-isolated-from-a-marine-derived-fungus-aspergillus-versicolor
#11
Ze-Hong Wu, Dong Liu, Ying Xu, Jian-Liang Chen, Wen-Han Lin
Chemical examination of an EtOAc extract of cultured Aspergillus versicolor fungus from deep-sea sediments resulted in the isolation of four xanthones, eight anthraquinones and five alkaloids, including a new xanthone, oxisterigmatocystin D (1) and a new alkaloid, aspergillusine A (13). High resolution electron impact mass spectrometry (HR-EI-MS), FT-IR spectroscopy, and NMR techniques were used to elucidate the structures of these compounds, and the absolute configuration of compound 1 was established by its NMR features and coupling constant...
March 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29576057/construction-of-a-mutant-of-actinoplanes-sp-n902-109-that-produces-a-new-rapamycin-analog
#12
He Huang, Ping Gao, Qi Zhao, Hai-Feng Hu
In the present study, we introduced point mutations into Ac_rapA which encodes a polyketide synthase responsible for rapamycin biosynthesis in Actinoplanes sp. N902-109, in order to construct a mutant with an inactivated enoylreductase (ER) domain, which was able to synthesize a new rapamycin analog. Based on the homologous recombination induced by double-strand breaks in chromosome mediated by endonuclease I-SceI, the site-directed mutation in the first ER domain of Ac_rapA was introduced using non-replicating plasmid pLYERIA combined with an I-SceI expression plasmid...
March 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29576056/brazilin-and-caesalpinia-sappan-l-extract-protect-epidermal-keratinocytes-from-oxidative-stress-by-inducing-the-expression-of-gpx7
#13
Hyung Seo Hwang, Joong Hyun Shim
Caesalpinia sappan L., belonging to the family Leguminosae, is a medicinal plant that is distributed in Southeast Asia. The dried heartwood of this plant is used as a traditional ingredient of food, red dyes, and folk medicines in the treatment of diarrhea, dysentery, tuberculosis, skin infections, and inflammation. Brazilin is the major active compound, which has exhibited various pharmacological effects, including anti-platelet activity, anti-hepatotoxicity, induction of immunological tolerance, and anti-inflammatory and antioxidant activities...
March 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29576055/buyang-huanwu-decoction-ameliorates-ischemic-stroke-by-modulating-multiple-targets-with-multiple-components-in-vitro-evidences
#14
Wei-Wei Zhang, Feng Xu, Ding Wang, Jia Ye, Shao-Qing Cai
Buyang Huanwu Decoction (BYHWD) is a well-known traditional Chinese medicine prescription which is used to treat ischaemic stroke and stroke-induced disabilities. However, the exact mechanism underlying BYHWD's amelioration of ischaemic stroke and its effective constituents remain unclear. The present study aimed to identify the effective constituents of BYHWD and to further explore its action mechanisms in the amelioration of ischaemic stroke by testing the activities of 15 absorbable chemical constituents of BYHWD with the same methods under the same conditions...
March 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29576054/salvianolic-acid-a-attenuates-ischemia-reperfusion-induced-rat-brain-damage-by-protecting-the-blood-brain-barrier-through-mmp-9-inhibition-and-anti-inflammation
#15
Wen Zhang, Jun-Ke Song, Xue Zhang, Qi-Meng Zhou, Guo-Rong He, Xiao-Na Xu, Yan Rong, Wen-Xia Zhou, Guan-Hua DU
Salvianolic acid A (SAA) is a water-soluble component from the root of Salvia Miltiorrhiza Bge, a traditional Chinese medicine, which has been used for the treatment of cerebrovascular diseases for centuries. The present study aimed to determine the brain protective effects of SAA against cerebral ischemia reperfusion injury in rats, and to figure out whether SAA could protect the blood brain barrier (BBB) through matrix metallopeptidase 9 (MMP-9) inhibition. A focal cerebral ischemia reperfusion model was induced by middle cerebral artery occlusion (MCAO) for 1...
March 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29576053/qualitative-detection-of-ginsenosides-in-brain-tissues-after-oral-administration-of-high-purity-ginseng-total-saponins-by-using-polyclonal-antibody-against-ginsenosides
#16
Yu-Nan Zhao, Xiao Shao, Liu-Feng Ouyang, Lin Chen, Ling Gu
Given the limited studies and conflicting findings, the transport character of ginsenosides crossing the blood-brain barrier (BBB) remains unclear. The present study was designed to qualitatively determine the distribution of ginsenosides in brain tissues after oral administration of ginseng total saponins, using high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) combined with immunohistochemistry. In brain tissue homogenates, ginsenoside Rg1 was detectable and no other ginsenosides or their metabolites were found...
March 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29576052/norisoboldine-a-natural-aryl-hydrocarbon-receptor-agonist-alleviates-tnbs-induced-colitis-in-mice-by-inhibiting-the-activation-of-nlrp3-inflammasome
#17
Qi Lv, Kai Wang, Si-Miao Qiao, Yue Dai, Zhi-Feng Wei
Although the etiology of inflammatory bowel disease is still uncertain, increasing evidence indicates that the excessive activation of NLRP3 inflammasome plays a major role. Norisoboldine (NOR), an alkaloid isolated from Radix Linderae, has previously been demonstrated to inhibit inflammation and IL-1β production. The present study was to examine the effect of NOR on colitis and the underlying mechanism related to NLRP3 inflammasome activation. Our results showed that NOR alleviated colitis symptom in mice induced by 2, 4, 6-trinitrobenzene sulfonic acid (TNBS)...
March 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29455734/bamboo-salt-suppresses-skin-inflammation-in-mice-with-2-4-dinitrofluorobenzene-induced-atopic-dermatitis
#18
Myoung-Schook Yoou, Sun-Young Nam, Kyoung Wan Yoon, Hyun-Ja Jeong, Hyung-Min Kim
Bamboo salt (BS) is a traditional Korean food, and has been reported to have anti-cancer, anti-inflammatory, and anti-metastatic effects. However, the anti-atopic dermatitis (AD) activity of BS has not been described yet. In the present study, we examined the preventive effect of BS on AD. The effect of oral administration of BS was tested in a 2, 4-dinitrofluorobenzene (DNFB)-induced AD animal model, by histological analysis, enzyme-linked immunosorbent assay, reverse transcription-polymerase chain reaction, caspase-1 assay, and Western blotting analysis...
February 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29455733/taxus-chinensis-ameliorates-diabetic-nephropathy-through-down-regulating-tgf-%C3%AE-1-smad-pathway
#19
Hong-Bo Weng, Wen-Ke Han, Yan-Wen Xiong, Zhou-Hui Jin, Zhen Lan, Cheng Liu, Xue-Mei Zhang, Wen Peng
Diabetic nephropathy (DN) is one of the common microvascular complications of diabetes mellitus. Renal fibrosis is closely related to the deterioration of renal function. The present study aimed to investigate protective effect of Taxus chinensis on high-fat diet/streptozotocin-induced DN in rats and explore the underlying mechanism of action. The rat DN model was established via feeding high fat diet for 4 weeks and subsequently injecting streptozotocin (30 mg·kg-1 body weight) intraperitoneally. The rats with blood glucose levels higher than 16...
February 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29455732/morphological-and-chemical-studies-of-artificial-andrographis-paniculata-polyploids
#20
Qi-Qing Li, Jian Zhang, Ji-Hua Liu, Bo-Yang Yu
Andrographis paniculata (Burm. f.) Nees (AP) is commonly used for the treatment of many infectious diseases and has been cultivated widely in Asian countries, and has been included in United States Pharmacopoeia as a dietary supplement, but the cultivars of A. paniculata are not abundant due to its self-pollinated. With the aims to enrich AP resources and provide materials for after breeding we explored the polyploidy induction. Different explants, colchicine concentration, and treatment time were tested. After identification by flow cytometry, eleven polyploid plants with different morphologic traits were obtained...
February 2018: Chinese Journal of Natural Medicines
journal
journal
42357
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"