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Gotu kola AND asiatic acid

Hui Jiang, Guoshuai Zheng, Junwei Lv, Heyu Chen, Jinjin Lin, Yiyang Li, Guorong Fan, Xianting Ding
Centella asiatica, commonly known as Gotu kola, has been widely used as a traditional herb for decades. Yet, the study on which compounds or compound combinations actually lead to its brain benefits remains scarce. To study the neuroprotection effects of Centella asiatica, neuronal differentiation of PC12 cells was applied. In our pilot study, we isolated 45 Centella asiatica fractions and tested their abilities for inducing neuronal differentiation on PC12 cells. The most effective fraction showed robust induction in neurite outgrowth and neurofilament expression...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
Kaiser Hamid, Irene Ng, Vikram J Tallapragada, Linda Váradi, David E Hibbs, Jane Hanrahan, Paul W Groundwater
The ursane triterpenoids, asiatic acid 1 and madecassic acid 2, are the major pharmacological constituents of Centella asiatica, commonly known as Gotu Kola, which is used traditionally for the treatment of anxiety and for the improvement of cognition and memory. Using the two-electrode voltage-clamp technique, these triterpenes, and some semisynthetic derivatives, were found to exhibit selective negative modulation of different subtypes of the GABAA receptor expressed in Xenopus laevis oocytes. Despite differing by only one hydroxyl group, asiatic acid 1 was found to be a negative modulator of the GABA-induced current at α1 β2 γ2L, α2 β2 γ2L and α5 β3 γ2L GABAA receptors, while madecassic acid 2 was not...
September 2016: Chemical Biology & Drug Design
Tomás Eduardo Ceremuga, Debra Valdivieso, Catherine Kenner, Amy Lucia, Keith Lathrop, Owen Stailey, Heather Bailey, Jonathan Criss, Jessica Linton, Jordan Fried, Andrew Taylor, Gina Padron, Arthur Don Johnson
Herbal medication use continues to rise and interactions with existing medications propose risks and may have significant effects and consequences on the administration of anesthesia. The purpose of this study was to investigate the anxiolytic and antidepressant effects of asiatic acid and its potential modulation of the γ-aminobutyric acid (GABAA) receptor. Fifty-five male Sprague Dawley rats were divided into 5 groups: vehicle (DMSO), asiatic acid (AA), midazolam, or a combination of flumazenil + AA or midazolam + AA, and injected intraperitoneally 30 minutes prior to testing...
April 2015: AANA Journal
Wiesława Bylka, Paulina Znajdek-Awiżeń, Elżbieta Studzińska-Sroka, Małgorzata Brzezińska
Centella asiatica known as Gotu Kola is a medicinal plant that has been used in folk medicine for hundreds of years as well as in scientifically oriented medicine. The active compounds include pentacyclic triterpenes, mainly asiaticoside, madecassoside, asiatic and madecassic acids. Centella asiatica is effective in improving treatment of small wounds, hypertrophic wounds as well as burns, psoriasis and scleroderma. The mechanism of action involves promoting fibroblast proliferation and increasing the synthesis of collagen and intracellular fibronectin content and also improvement of the tensile strength of newly formed skin as well as inhibiting the inflammatory phase of hypertrophic scars and keloids...
February 2013: Postȩpy Dermatologii i Alergologii
Amala Soumyanath, Yong-Ping Zhong, Edward Henson, Teri Wadsworth, James Bishop, Bruce G Gold, Joseph F Quinn
Centella asiatica (CA), commonly named gotu kola, is an Ayurvedic herb used to enhance memory and nerve function. To investigate the potential use of CA in Alzheimer's disease (AD), we examined the effects of a water extract of CA (GKW) in the Tg2576 mouse, a murine model of AD with high β-amyloid burden. Orally administered GKW attenuated β-amyloid-associated behavioral abnormalities in these mice. In vitro, GKW protected SH-SY5Y cells and MC65 human neuroblastoma cells from toxicity induced by exogenously added and endogenously generated β-amyloid, respectively...
2012: International Journal of Alzheimer's Disease
Vadim Ivanov, Svetlana Ivanova, Tatiana Kalinovsky, Aleksandra Niedzwiecki, Matthias Rath
Monocyte adhesion to endothelium plays an important role in atherosclerosis. We investigated the effects of micronutrients on monocyte-binding properties of extracellular matrix (ECM) produced by human aortic endothelial cells (AoEC). Confluent cultures of AoEC were exposed to ascorbic acid, quercetin, gotu kola extract (10% asiatic acid), green tea extract (40% epigallocatechin gallate), or a mixture of these micronutrients for 48 hours. AoEC-produced ECM was exposed by differential treatment. U937 monocyte adhesion was assayed by fluorescence...
July 2008: Journal of Cardiovascular Pharmacology
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