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Title: Nuclear factor-κB: Central regulator in ocular surface inflammation and diseases
Authors: Lan, W.
Petznick, A.
Heryati, S.
Rifada, M.
Tong, L. 
Keywords: Angiogenesis
Signal transduction
Transcription factors
Wound healing
Issue Date: Jul-2012
Citation: Lan, W., Petznick, A., Heryati, S., Rifada, M., Tong, L. (2012-07). Nuclear factor-κB: Central regulator in ocular surface inflammation and diseases. Ocular Surface 10 (3) : 137-148. ScholarBank@NUS Repository.
Abstract: The nuclear factor-κB (NF-κB) is a key transcription factor pathway that is responsible for many key biological processes, such as inflammation, apoptosis, stress response, corneal wound healing, angiogenesis, and lymphangiogenesis. Numerous recent studies have investigated NF-κB in the context of ocular surface disorders, including chemical injury, ultraviolet radiation-induced injury, microbial infections, allergic eye diseases, dry eye, pterygium, and corneal graft rejection. The purpose this article is to summarize key findings with regard to the pathways regulating NF-κB and processes governed by the NF-κB pathway. In the innate defense system, NF-κB is involved in signaling from the toll-like receptors 2, 3, 4, 5 and 7, which are expressed in conjunctival, limbal, and corneal epithelial cells. These determine the ocular responses to infections, such as those caused by Pseudomonas aeruginosa, Staphylococcus aureus, adenovirus, and herpes simplex-1 virus. Natural angiogenic inhibitors enhance NF-κB, and this may occur through the mitogen-activated protein kinases and peroxisome proliferator-activated receptor γ. In alkali injury, inhibition of NF-κB can reduce corneal angiogenesis, suggesting a possible therapeutic strategy. The evaluation of NF-κB inhibitors in diseases is also discussed, including emodin, besifloxacin, BOL-303242-X (mapracorat), thymosin-β4, epigallocatechin gallate, Perilla frutescens leaf extract and IKKβ-targeting short interfering RNA. © 2012 Elsevier Inc. All rights reserved.
Source Title: Ocular Surface
ISSN: 15420124
DOI: 10.1016/j.jtos.2012.04.001
Appears in Collections:Staff Publications

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