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Int. J. Mol. Sci. 2017, 18(8), 1638;

Multi-Targeting Andrographolide, a Novel NF-κB Inhibitor, as a Potential Therapeutic Agent for Stroke

Department of Pharmacology, Taipei Medical University, Taipei 110, Taiwan
Division of Cardiology, Department of Internal Medicine, Cathay General Hospital, Taipei 200, Taiwan
Department of Life Science, College of Life Sciences, National Chung Hsing University, Taichung 402, Taiwan
Department of Ocular Microbiology, Institute of Ophthalmology, Joseph Eye Hospital, Tiruchirappalli 620001, Tamil Nadu, India
Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei 110, Taiwan
Authors to whom correspondence should be addressed.
Received: 4 July 2017 / Revised: 24 July 2017 / Accepted: 26 July 2017 / Published: 27 July 2017
(This article belongs to the Special Issue Neuroprotective Strategies 2017)
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A key focus in the field of drug discovery has been motivated by the neuroprotection of natural compounds. Cerebral ischemia is a multifaceted pathological process with a series of mechanisms, and a perspective for the development of neuroprotectants from traditional herbal medicine or natural products is a promising treatment for this disease. Natural compounds with the effects of anti-oxidation, anti-inflammation, anti-apoptosis, and neurofunctional regulation exhibit therapeutic effects on experimental ischemic brain injury. Conferring to the pharmacological mechanisms underlying neuroprotection, a study found that androgapholide, a diterpene lactone compound, exhibits varying degrees of neuroprotective activities in both in vitro and in vivo experimental models of stroke. The neuroprotective mechanisms of andrographolide are suggested as: (I) increasing nuclear factor E2-related factor 2-heme oxygenase (Nrf2-HO-1) expression through p38-mitogen activated protein kinase (MAPK) regulation, (II) inducing cerebral endothelial cells (CEC) apoptosis and caspase-3 activation, (III) down regulating Bax, inducible nitric oxide synthase (iNOS), and (IV) inhibiting hydroxyl radical (OH) formation, and activating transcription factor NF-κB signaling pathways. Recently, several researchers have also been trying to unveil the principal mechanisms involved in the neuroprotective effects of andrographolide. Therefore, this review aims to summarize an overview on the neuroprotective effects of andrographolide and exemplifies the essential mechanisms involved. This paper can provide information that andrographolide drug discovery may be a promising strategy for the development of a novel class of neuroprotective drug. View Full-Text
Keywords: andrographolide; neuroprotection; stroke; multi-targets; signaling pathways andrographolide; neuroprotection; stroke; multi-targets; signaling pathways

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Yang, C.-H.; Yen, T.-L.; Hsu, C.-Y.; Thomas, P.-A.; Sheu, J.-R.; Jayakumar, T. Multi-Targeting Andrographolide, a Novel NF-κB Inhibitor, as a Potential Therapeutic Agent for Stroke. Int. J. Mol. Sci. 2017, 18, 1638.

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