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Centella-asiatica

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https://www.readbyqxmd.com/read/28004603/asiatic-acid-attenuates-pre-neoplastic-lesions-oxidative-stress-biotransforming-enzymes-and-histopathological-alterations-in-1-2-dimethylhydrazine-induced-experimental-rat-colon-carcinogenesis
#1
Aktarul Islam Siddique, Vijay Mani, Sivaranjani Arivalagan, Nisha Susan Thomas, Namasivayam Nalini
Asiatic acid (AA), a pentacyclic triterpenoid derived from the tropical medicinal plant Centella asiatica is known to exhibit numerous pharmacological properties. We hypothesized that AA will have chemopreventive potential against 1,2-dimethylhydrazine (DMH)-induced experimental colon carcinogenesis in male Wistar rats. Rats were arbitrarily divided into six groups. Group I rats were processed as control. Group II rats received AA (8 mg/kg b.w., p.o.) and groups III-VI rats received subcutaneous injections of DMH (20 mg/kg b...
December 22, 2016: Toxicology Mechanisms and Methods
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
#2
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
#3
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...
December 19, 2016: Planta Medica
https://www.readbyqxmd.com/read/27976157/centella-asiatica-improves-synaptic-plasticity-and-activates-antioxidant-and-mitochondrial-pathways-in-hippocampal-neurons-from-an-alzheimer-s-disease-mouse-model
#4
N E Gray, J A Zweig, C Kawamoto, J F Quinn, A Soumyanath
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27893605/synergistic-combinations-of-five-single-drugs-from-centella-asiatica-for-neuronal-differentiation
#5
Jinjin Lin, Hui Jiang, Xianting Ding
To identify alternatives of nerve growth factor, which could promote NF68 protein expression and contribute toward neuronal differentiation, five compounds namely: asiatic acid, madecassic, madecassoside, quercetin, and isoquercetin, obtained from Centella asiatica, were examined for their neuronal differentiation effects on PC12 cells. C. asiatica has been applied as an effective herbal medicine for the treatment of various diseases, including depression. According to a statistical design of experiments, both single compound and compound combinations were evaluated...
January 1, 2017: Neuroreport
https://www.readbyqxmd.com/read/27815700/effect-of-a-mixture-of-diosmin-coumarin-glycosides-and-triterpenes-on-bleeding-thrombosis-and-pain-after-stapled-anopexy-a-prospective-randomized-placebo-controlled-clinical-trial
#6
Michele Schiano di Visconte, Francesco Nicolì, Roberto Del Giudice, Tommaso Cipolat Mis
PURPOSE: We evaluated the efficacy of oral administration of a mixture of diosmin, coumarin glycosides, and Centella asiatica (Venoplant®) in preventing bleeding, pain, and thrombosis of internal and external hemorrhoids after stapled anopexy (SA). METHODS: SA was conducted in 182 patients with third-degree hemorrhoids. Preoperatively, patients were randomized evenly into two groups. Group A patients were administered Venoplant for 30 days post-SA, and group B received a placebo for 30 days post-SA...
November 4, 2016: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/27774420/centella-asiatica-extract-protects-against-amyloid-%C3%AE-1-40-induced-neurotoxicity-in-neuronal-cells-by-activating-the-antioxidative-defence-system
#7
Chien-Li Chen, Wen-Hao Tsai, Chun-Jen Chen, Tzu-Ming Pan
Centella asiatica ( léi gōng gēn) is a traditional medicinal herb with high antioxidant activity, which decreases amyloid-β (Aβ) deposition in the brain. At the same time, aggregated Aβ-induced oxidative stress is the trigger in the pathogenesis of Alzheimer's disease (AD). Here, we investigated the ability of C. asiatica ethanol extract (CAE) to protect PC12 and IMR32 cells from Aβ1-40-induced production of reactive oxygen species (ROS) and concomitant neurotoxicity. Aggregated Aβ1-40 treatment resulted in reduced cell viability, which can be reversed by cotreatment with 25, 50, and 100 μg/mL CAE...
October 2016: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/27772912/extract-ethanol-of-centella-asiatica-reduce-expression-of-mycobacterium-tuberculosis-antigen-on-alveolar-macrophage-from-rats-lung-tssue-infected-with-mycobacterium-tuberculosis
#8
Arifa Mustika, Mangestuti Agil, Sri Agus Sudjarwo, Ni Made Mertaniasih
No abstract text is available yet for this article.
February 2016: Pathology
https://www.readbyqxmd.com/read/27752495/in-vitro-and-in-vivo-anti-helicobacter-pylori-activities-of-centella-asiatica-leaf-extract
#9
Hong-Mei Zheng, Myung-Joo Choi, Jae Min Kim, Kye Wan Lee, Yu Hwa Park, Don Haeng Lee
Helicobacter pylori infection is associated with an increased risk of developing upper gastrointestinal tract diseases. However, treatment failure is a major cause of concern mainly due to possible recurrence of infection, the side effects, and resistance to antibiotics. The aim of this study was to investigate the activities of Centella asiatica leaf extract (CAE) against H. pylori both in vitro and in vivo. The minimum inhibitory concentrations (MICs) against 55 clinically isolated strains of H. pylori were tested using an agar dilution method...
September 2016: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/27748812/protective-effects-of-centella%C3%A2-asiatica-leaf-extract-on-dimethylnitrosamine%C3%A2-induced-liver-injury-in-rats
#10
Myung-Joo Choi, Hong-Mei Zheng, Jae Min Kim, Kye Wan Lee, Yu Hwa Park, Don Haeng Lee
Oxidative stress in liver injury is a major pathogenetic factor in the progression of liver damage. Centella asiatica (L.) Urban, known in the United States as Gotu kola, is widely used as a traditional herbal medicine in Chinese or Indian Pennywort. The efficacy of Centella asiatica is comprehensive and is used as an anti‑inflammatory agent, for memory improvement, for its antitumor activity and for treatment of gastric ulcers. The present study investigated the protective effects of Centella asiatica on dimethylnitrosamine (DMN)‑induced liver injury in rats...
November 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27733862/stimulatory-effects-of-acibenzolar-s-methyl-on-chlorogenic-acids-biosynthesis-in-centella-asiatica-cells
#11
Efficient N Ncube, Paul A Steenkamp, Ntakadzeni E Madala, Ian A Dubery
Centella asiatica is a perrenial herb that grows in tropical regions with numerous medicinal properties mostly attributed to the presence of pentacyclic triterpenoids. Interestingly, this plant also possess a significant amount of phenylpropanoid-derived chlorogenic acids (CGAs) that have recently been reported to confer neuroprotective properties. In a biotechnological attempt to increase the biosynthesis of CGA-derivatives in cultured Centella cells, acibenzolar-S-methyl was applied as a xenobiotic inducer in combination with quinic acid and shikimic acid as precursor molecules...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27728894/madecassic-acid-protects-against-hypoxia-induced-oxidative-stress-in-retinal-microvascular-endothelial-cells-via-ros-mediated-endoplasmic-reticulum-stress
#12
Boyu Yang, Yue Xu, Yaguang Hu, Yiwen Luo, Xi Lu, Ching Kit Tsui, Lin Lu, Xiaoling Liang
Madecassic acid (MA) is an abundant triterpenoid in Centella asiatica (L.) Urban. (Apiaceae) that has been used as a wound-healing, anti-inflammatory and anti-cancer agent. Up to now, the effects of MA against oxidative stress remain unclear. In this study, we investigated the effect of MA and its mechanisms on hypoxia-induced human Retinal Microvascular Endothelial Cells (hRMECs). hRMECs were pre-treated with different concentrations of MA (0-50μM) for 30min before being incubated under hypoxia condition (37°C, 5% CO2 and 95% N2)...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27701138/the-ameliorating-effect-of-centella-asiatica-ethanolic-extract-on-albino-rats-treated-with-isoniazid
#13
Kavisa Ghosh, N Indra, G Jagadeesan
BACKGROUND: Isoniazid, also called isonicotinyl hydrazine (INH), is a commonly used drug for treating tuberculosis. The main drawback is its toxic side effects. Centella asiatica has long been used in the Ayurvedic system of medicine owing to its wide medicinal properties. This study was designed to examine the effectiveness of C. asiatica ethanolic leaf extract (CA) on INH-treated albino rats. METHODS: The adverse effects induced by INH (50 mg/kg bw) administration on haematological parameters, oxidative status (thiobarbituric acid-reactive substances, superoxide dismutase, catalase, and reduced glutathione), liver and kidney function markers, and their amelioration by various concentrations of CA (20, 40, 60, and 100 mg/kg bw) or silymarin (SIL) (50 mg/kg bw, administered before 1 h of INH treatment for 30 days to rats) were studied...
January 1, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/27651261/indian-herbs-for-the-treatment-of-neurodegenerative-disease
#14
Padmanabhan Mannangatti, Kamalakkannan Narasimha Naidu
Ayurveda, an ancient system of medicine that is indigenous to India, is believed to be the world's oldest comprehensive health-care system and is now one of the most recognized and widely practiced disciplines of alternative medicine in the world. Medicinal herbs have been in use for treating diseases since ancient times in India. Ayurvedic therapies with medicinal herbs and herbomineral products generally provide relief without much adverse effects even after prolonged administration. Neurodegenerative disorders are a major cause of mortality and disability, and increasing life spans represent one of the key challenges of medical research...
2016: Advances in Neurobiology
https://www.readbyqxmd.com/read/27651251/efficacy-of-natural-compounds-in-neurodegenerative-disorders
#15
Pranay Srivastava, Rajesh Singh Yadav
Neurodegenerative disorders represent clusters of serious diseases that results in progressive deterioration of normal structure and physiology of central nervous system. Pathophysiology of Alzheimer's, Parkinson's or other neurodegenerative disorders involves multifaceted permutation of genetic and environmental factors. Combinations of lifestyle modification linked with environmental factor jointly or alone represent the largest share of cases of these disorders. Etiology of such neuronal degeneration involves manifestation of toxic reaction in the form of functional anomalies leading to dysfunction of the ubiquitin-proteasome system, activated inflammatory cascade, compromised neuronal survival pathway, mitochondrial dysfunction and finally neuronal apoptosis/necrosis and cell death...
2016: Advances in Neurobiology
https://www.readbyqxmd.com/read/27588048/burn-wound-healing-properties-of-asiaticoside-and-madecassoside
#16
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/27540765/mad-ointment-ameliorates-imiquimod-induced-psoriasiform-dermatitis-by-inhibiting-the-il-23-il-17-axis-in-mice
#17
Qiong OuYang, YaQian Pan, HanQiong Luo, ChunXiao Xuan, JinE Liu, Jun Liu
Psoriasis is a chronic auto-immune inflammation disease with skin lesions and abnormal keratinocyte proliferation. The IL-23/IL-17 axis plays an important role in the pathogenesis of psoriasis. Madecassoside (MAD) was the most important constituents isolated from Centella asiatica, which has long been used in dermatology, and it is supposed that MAD may have effects on psoriasis. In the present study, the BALB/c mice ear and back skin received IMQ for 6 consecutive days to induce psoriasis-like dermatitis. MAD ointment was applied 6h later after IMQ treatment, and the IL-23/IL-17 pathway was investigated...
October 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27540320/recent-updates-in-neuroprotective-and-neuroregenerative-potential-of-centella-asiatica
#18
REVIEW
Yogeswaran Lokanathan, Norazzila Omar, Nur Nabilah Ahmad Puzi, Aminuddin Saim, Ruszymah Hj Idrus
Centella asiatica, locally well known in Malaysia as pegaga, is a traditional herb that has been used widely in Ayurvedic medicine, traditional Chinese medicine, and in the traditional medicine of other Southeast Asian countries including Malaysia. Although consumption of the plant is indicated for various illnesses, its potential neuroprotective properties have been well studied and documented. In addition to past studies, recent studies also discovered and/or reconfirmed that C. asiatica acts as an antioxidant, reducing the effect of oxidative stress in vitro and in vivo...
January 2016: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/27494684/asiatic-acid-inhibits-pulmonary-inflammation-induced-by-cigarette-smoke
#19
Jae-Won Lee, Hyun Ah Park, Ok-Kyoung Kwon, Yin-Gi Jang, Ju Yeong Kim, Bo Kyung Choi, Hee Jae Lee, Sangwoo Lee, Jin-Hyub Paik, Sei-Ryang Oh, Kyung-Seop Ahn, Hyun-Jun Lee
Asiatic acid (AA) is one of the major components of Titrated extract of Centella asiatica (TECA), which has been reported to possess antioxidant and anti-inflammatory activities. The purpose of this study was to investigate the protective effect of AA on pulmonary inflammation induced by cigarette smoke (CS). AA significantly attenuated the infiltration of inflammatory cells in bronchoalveolar lavage fluid (BALF) of CS exposure mice. AA also decreased ROS production and NE activity, and inhibited the release of proinflammatory cytokines in BALF...
October 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27491750/chemical-structures-production-and-enzymatic-transformations-of-sapogenins-and-saponins-from-centella-asiatica-l-urban
#20
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
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