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Asiaticoside

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https://www.readbyqxmd.com/read/28378604/pva-peg-physically-cross-linked-hydrogel-film-as-a-wound-dressing-experimental-design-and-optimization
#1
Afnan Sh Ahmed, Uttam Kumar Mandal, Muhammad Taher, Deny Susanti, Juliana Md Jaffri
The development of hydrogel films as wound healing dressings is of a great interest owing to their biological tissue-like nature. Polyvinyl alcohol/polyethylene glycol (PVA/PEG) hydrogels loaded with asiaticoside, a standardized rich fraction of Centella asiatica, were successfully developed using the freeze-thaw method. Response surface methodology with Box-Behnken experimental design was employed to optimize the hydrogels. The hydrogels were characterized and optimized by gel fraction, swelling behavior, water vapor transmission rate and mechanical strength...
April 5, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28352309/asiaticoside-ameliorates-%C3%AE-amyloid-induced-learning-and-memory-deficits-in-rats-by-inhibiting-mitochondrial-apoptosis-and-reducing-inflammatory-factors
#2
Zhuo Zhang, Xiaobin Li, Duo Li, Mao Luo, Yongjie Li, Li Song, Xian Jiang
The present study aimed to investigate the effects of asiaticoside (AS) on the pathology and associated mechanisms of β-amyloid (Aβ)-induced Alzheimer's disease (AD) in rats. An AD rat model was established by lateral intracerebroventricular injection of Aβ 1-42 oligomers. Learning and memory function were evaluated by Morris water maze (MWM) test. In addition, hematoxylin and eosin (H&E) staining, transmission electron microscopy (TEM), immunohistochemistry, ELISA and western blot analysis were performed to evaluate the disease pathogenesis...
February 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28346732/asiaticoside-hinders-the-invasive-growth-of-keloid-fibroblasts-through-inhibition-of-the-gdf-9-mapk-smad-pathway
#3
Xin Wu, Difei Bian, Yannong Dou, Zhunan Gong, Qian Tan, Yufeng Xia, Yue Dai
Higher expression of growth differentiation factor-9 (GDF-9) in keloids compared with hypertrophic scars and normal skin tissues has been reported recently. The present study was performed to investigate the role of GDF-9 in keloid pathogenesis, and to elucidate its implication for asiaticoside in the keloid management. The data showed that GDF-9 could enhance the proliferation, migration, and invasion of keloid fibroblasts (KFs), while it only slightly elevated collagen expression, indicating that the effect of GDF-9 was opposite to that of TGF-β1...
March 27, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28263826/borneol-enhances-the-antidepressant-effects-of-asiaticoside-by-promoting-its-distribution-into-the-brain
#4
Tianheng Hou, Xiaobo Li, Chongsheng Peng
Asiaticoside (AS) has antidepressant effects, with poor druggability characterized with inaccessibility into the brain. Here, we assessed AS distribution in the asiaticoside-borneol formula (FAB), with AS administrated orally. High performance liquid chromatography (HPLC) was applied for AS detection. The antidepressant effects of both FAB and AS were evaluated. Rats were subjected to behavioral despair paradigms and chronic unpredictable stress model (CUS) after acute and chronic drug administration, respectively...
March 3, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28238857/asiaticoside-attenuation-of-rotenone-induced-oxidative-burden-in-a-rat-model-of-hemiparkinsonism-by-maintaining-the-phosphoinositide-mediated-synaptic-integrity
#5
Margabandhu Gopi, Vanisree Arambakkam Janardhanam
Asiaticoside (AS), a triterpenoid saponin isolated from the Indian medicinal herb Centella asiatica is known to exert a neuroprotective effect by attenuating the neurobehavioral, neurochemical and pathological changes in animal models. However, its potential neuroprotection in rotenone-induced hemiparkinsonism which implicates phospholipid-mediated neurotransmission remains unclear. Therefore, we have investigated the neuroprotective effects of AS in rat model of ROT-infused hemiparkinsonism with respect to phosphoinositides-assisted cytodynamics and synaptic function...
February 24, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28024288/asiaticoside-protects-cochlear-hair-cells-from-high-glucose-induced-oxidative-stress-via-suppressing-ages-rage-nf-%C3%AE%C2%BAb-pathway
#6
Ying Xing, Qiuhe Ji, Xiaomiao Li, Jie Ming, Nana Zhang, Dingjun Zha, Ying Lin
Asiaticoside (AC) has been known to have anti-oxidative activity, however, the effect of AC on the progression of high glucose-induced hearing loss has not been studied. This study aims to analyze the effect of AC on cochlear hair cells under the treatment of high glucose in vitro and the hearing function in vivo. The results of MTT showed that high glucose decreased the activity of HEI-OC1 cells, but AC increased the activity of HEI-OC1 cells compared with high glucose group. The results of flow cytometry showed that AC decreased the degree of apoptosis induced by high levels of glucose...
February 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28001462/comparative-pharmacokinetics-between-madecassoside-and-asiaticoside-presented-in-a-standardised-extract-of-centella-asiatica-eca-233-and-their-respective-pure-compound-given-separately-in-rats
#7
Patcharaporn Hengjumrut, Tosapol Anukunwithaya, Mayuree H Tantisira, Boonyong Tantisira, Phisit Khemawoot
1. ECa 233, the standardised extract of Centella asiatica, contains not less than 80% triterpenoid glycosides, in a madecassoside:asiaticoside ratio of 1.5 (±0.5):1. 2. The pharmacokinetic comparison of madecassoside and asiaticoside was performed in rats following intravenous and oral administration of ECa 233, or an equivalent dose of the individual compounds. Blood, tissues, urine and faeces were collected after dosing to determine drug and metabolite levels using liquid chromatography-tandem mass spectrometry...
January 18, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/27992940/pharmacokinetics-of-a-standardized-extract-of-centella-asiatica-eca-233-in-rats
#8
Tosapol Anukunwithaya, Mayuree H Tantisira, Boonyong Tantisira, Phisit Khemawoot
ECa 233, a standardized extract of Centella asiatica, has been found to exhibit various positive neurological effects and to have a good safety profile. The present study aimed to explore the disposition kinetics of ECa 233, containing madecassoside (53.1 %) and asiaticoside (32.3 %), in rats. The extract was intravenously or orally administered at doses from 50 to 200 mg/kg. Plasma, tissues, urine, and feces were collected at time points from 0 to 48 h after dosing. The levels of madecassoside and asiaticoside, as well as their postulated triterpenic metabolites, madecassic acid and asiatic acid, in biological samples, were simultaneously measured by liquid chromatography-tandem mass spectrometry...
May 2017: Planta Medica
https://www.readbyqxmd.com/read/27784253/the-effectiveness-of-topical-anti-scarring-agents-and-a-novel-combined-process-on-cutaneous-scar-management
#9
Qing-Qing Fang, Chun- Ye Chen, Min-Xia Zhang, Chun-Lan Huang, Xiao-Wei Wang, Ji-Hua Xu, Li-Hong Wu, Li-Yun Zhang, Wei-Qiang Tan
Cutaneous scars (particularly hypertrophic and keloid scars), always follow after a dermal injury to the skin cutaneous scars leave a negative impact on people, both physically and mentally. Comparing to other surgical treatments, patients who do not opt for or can't opt for invasion therapy are more eligible for using the topical anti-scarring agents. In this mini-review, we have researched for and collected the data between October 2005 and October 2015, in PubMed and Web of Science, and identified those agents including silicone-based products, imiquimod, corticosteroids, 5- fluorouracil, bleomycin, mitomycin, and plant extracts such as onion extract, asiaticoside, aloe vera, vitamin E, and so on...
October 25, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27614186/porous-microspheres-as-promising-vehicles-for-the-topical-delivery-of-poorly-soluble-asiaticoside-accelerate-wound-healing-and-inhibit-scar-formation-in-vitro-in-vivo
#10
Chen-Zhen Zhang, Jie Niu, Yee-Song Chong, Yan-Fen Huang, Yang Chu, Sheng-Yang Xie, Zhi-Hong Jiang, Li-Hua Peng
Asiaticoside is a natural compound possessing diverse pharmacological effects with great potential for clinical use. However, the low solubility and oil-water partition coefficient of asiaticoside lead to reduced effect and limited application. This study aims to construct a porous microsphere for the sustained release of asiaticoside to improve its absorption and enhance the therapeutic effects. Parameters of the formulations, including the drug to polymer ratio, solvent amounts of the inner and external phases, the stirring speed for preparation, and the drug entrapment efficiency were investigated and optimized...
December 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27588048/burn-wound-healing-properties-of-asiaticoside-and-madecassoside
#11
Qiang Hou, Ming Li, Yan-Hua Lu, Dong-Hong Liu, Cheng-Cun Li
The healing of burn wounds has been widely characterized to be highly intricate, involving processes such as neo-vascularization, granulation, re-epithelialization, inflammation and wound contraction. Various therapies are available for the management of burn wounds; however, a truly effective therapeutic strategy has yet to be identified due to safety issues. The aim of the present study was to assess and confirm the burn wound healing properties of the compounds asiaticoside (AE) and madecassoside (MA), which are found in the herb Centella asiatica...
September 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27560471/effect-of-asiaticoside-collagenase-and-alpha-chymotrypsin-on-wound-healing-in-rabbits
#12
Ozgur Ozdemir, Kadircan Ozkan, Fatih Hatipoglu, Aysen Uyaroglu, Mustafa Arican
UNLABELLED: Wound dressing materials such as asiaticoside, collagenase, and alpha-chymotrypsin are often used for effective wound healing activity. OBJECTIVES: In this study, the effects of asiaticoside, collagenase, and alpha-chymotrypsin were studied in rabbit models with open wounds with tissue loss and with full-thickness flank excisions for a period of 21 days. MATERIALS AND METHODS: Three groups of 4 rabbits were examined during trial periods of 7, 14, and 21 days...
August 2016: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/27491750/chemical-structures-production-and-enzymatic-transformations-of-sapogenins-and-saponins-from-centella-asiatica-l-urban
#13
REVIEW
Robert Azerad
Centella asiatica (L.) Urban is a medicinal herb traditionally used in Asiatic countries for its multiple therapeutic properties, essentially due to its accumulation of specific pentacylic triterpenoid saponins, mainly asiaticoside and madecassoside and the corresponding sapogenins. This review summarizes the updated knowledge about the chemical structures of about forty centelloids, found as minor metabolites in Centella, and all derived from ursane and oleane ring patterns. Similarly, the most recent genetic and enzymatic features involved in their biosynthesis is reviewed, in relation with their biotechnological production developed, either from in vitro plant cultures or undifferentiated cells, in order to be independent of natural sources and to provide a continuous and reliable source of centelloids...
October 2016: Fitoterapia
https://www.readbyqxmd.com/read/27470547/preparation-of-asiaticoside-loaded-coaxially-electrospinning-nanofibers-and-their-effect-on-deep-partial-thickness-burn-injury
#14
Lifei Zhu, Xiaoyan Liu, Lina Du, Yiguang Jin
Sodium alginate and chitosan were in favor of wound healing. However, the two polymers were not compatible in one formulation due to the electrostatic interaction. Coaxially electrospinning technology could make two or more noneletrospun polymers to be electrospun in independent core and shell layer. Asiaticoside-loaded coaxially electrospinning nanofibers of alginate, polyvinyl alcohol (PVA) and chitosan (alginate/PVA/chitosan) were prepared and evaluated. Morphologies and microstructure of nanofibers were observed with scanning electron microscopy (SEM) and transmission electron microscopy (TEM)...
October 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27279066/evaluation-of-the-topical-spray-containing-centella-asiatica-extract-and-its-efficacy-on-excision-wounds-in-rats
#15
Somchai Sawatdee, Kanuengnit Choochuay, Wirot Chanthorn, Teerapol Srichana
Centella asiatica was extracted by methanol. The assay content of triterpenes in the extract was 0.12 % asiatic acid, 0.54 % madecassic acid, 0.25 % asiaticoside and 1.02 % madecassoside. The extract was complexed with hydroxypropyl-β-cyclodextrin (HP-β-CD) and formulated with Eudragit E100, glycerol, PEG 400, copovidone, ethanol and purified water. A clear yellowish solution (F1-F8) was obtained. The formulations had a pH of 5.5-6.0 with viscosity in the range of 20-60 mPa s, surface tension 20.3-24.6 mN m-1 and contact angle less than 20°...
June 1, 2016: Acta Pharmaceutica
https://www.readbyqxmd.com/read/27183153/efficacy-and-safety-of-1550-nm-fractional-laser-in-the-treatment-of-acne-scars-in-chinese-patients-a-split-face-comparative-study
#16
Qianli Yang, Wen Huang, Hui Qian, Suizhu Chen, Li Ma, Zhong Lu
OBJECTIVE: To evaluate the efficacy and side effects of 1550-nm fractional Er:Glass laser in treating atrophic acne scar. MATERIALS AND METHODS: Thirty Chinese patients aged 18-65 with atrophic acne scars on both cheeks received a split-face treatment, one side with four sessions of treatment with fractional 1550-nm Er:Glass laser at 20-day interval and the other with topical asiaticoside cream application three times daily as control. Clinical response and side effects were evaluated by a dermatologist three weeks after each treatment and again 12 weeks after the last laser treatment...
October 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/27030208/safety-assessment-of-selected-medicinal-food-plants-used-in-ayurveda-through-cyp450-enzyme-inhibition-study
#17
Amit Kar, Subrata Pandit, Kakali Mukherjee, Shiv Bahadur, Pulok K Mukherjee
BACKGROUND: Andrographis paniculata, Bacopa monnieri, Centella asiatica are mentioned in Ayurveda for the management of neurodegenerative disorders. These plants and their phytomolecules like andrographolide, bacoside A and asiaticoside were studied for their inhibition potential on pooled CYP450 as well as human CYP3A4, CYP2D6, CYP2C9 and CYP1A2 by CYP-CO Complex assay and Fluorogenic assay respectively followed by IC50 determination. Quantification of bioactive compounds present in the extracts was done by RP-HPLC...
March 30, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/26999853/-treatment-of-ear-keloids-by-striping-combined-with-asiaticoside-ointment-and-triamcinolone-acetonide
#18
Lin Chen, Chunying Li
No abstract text is available yet for this article.
October 2015: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/26843164/from-plant-extract-to-a-cdna-encoding-a-glucosyltransferase-candidate-proteomics-and-transcriptomics-as-tools-to-help-elucidate-saponin-biosynthesis-in-centella-asiatica
#19
Fernanda de Costa, Carla J S Barber, Darwin W Reed, Patrick S Covello
Centella asiatica (L.) Urban (Apiaceae), a small annual plant that grows in India, Sri Lanka, Malaysia, and other parts of Asia, is well-known as a medicinal herb with a long history of therapeutic uses. The bioactive compounds present in C. asiatica leaves include ursane-type triterpene sapogenins and saponins-asiatic acid, madecassic acid, asiaticoside, and madecassoside. Various bioactivities have been shown for these compounds, although most of the steps in the biosynthesis of triterpene saponins, including glycosylation, remain uncharacterized at the molecular level...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/26822584/effects-of-plants-on-osteogenic-differentiation-and-mineralization-of-periodontal-ligament-cells-a-systematic-review
#20
REVIEW
Cláudio Rodrigues Rezende Costa, Bruna Rabelo Amorim, Pérola de Magalhães, Graziela De Luca Canto, Ana Carolina Acevedo, Eliete Neves Silva Guerra
This systematic review aimed to evaluate the effects of plants on osteogenic differentiation and mineralization of human periodontal ligament cells. The included studies were selected using five different electronic databases. The reference list of the included studies was crosschecked, and a partial gray literature search was undertaken using Google Scholar and ProQuest. The methodology of the selected studies was evaluated using GRADE. After a two-step selection process, eight studies were identified. Six different types of plants were reported in the selected studies, which were Morinda citrifolia, Aloe vera, Fructus cnidii, Zanthoxylum schinifolium, Centella asiatica, and Epimedium species...
April 2016: Phytotherapy Research: PTR
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