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RESEARCH PRODUCT

Toll-like receptor-4 signaling pathway in aorta aging and diseases: “its double nature”

Carmela Rita BalistreriDomenico LioRosalinda MadonnaGiovanni Ruvolo

subject

0301 basic medicinePathologymedicine.medical_specialtyAgingDisease030204 cardiovascular system & hematologyBioinformatics03 medical and health sciences0302 clinical medicineAneurysmAorta; Aorta aneurysms; TLR-4 signaling pathway; Treatments; Aging; Animals; Aorta; Cardiovascular Diseases; Homeostasis; Humans; Toll-Like Receptor 4; Signal TransductionAorta aneurysmsmedicine.arterymedicineSettore MED/05 - Patologia ClinicaAnimalsHomeostasisHumansMolecular BiologyTissue homeostasisAortaToll-like receptorAortaAorta; Aorta aneurysms; TLR-4 signaling pathway; TreatmentsInnate immune systembusiness.industryTreatmentsTLR-4 signaling pathwaySettore MED/23 - Chirurgia Cardiacamedicine.diseaseToll-Like Receptor 4030104 developmental biologyCardiovascular DiseasesHeart failurecardiovascular systemAorta aneurysmSignal transductionCardiology and Cardiovascular MedicinebusinessSignal Transduction

description

Recent advances in the field of innate immunity have revealed a complex role of innate immune signaling pathways in both tissue homeostasis and disease. Among them, the Toll-like receptor 4 (TLR-4) pathways has been linked to various pathophysiological conditions, such as cardiovascular diseases (CVDs). This has been interrogated by developing multiple laboratory tools that have shown in animal models and clinical conditions, the involvement of the TLR-4 signaling pathway in the pathophysiology of different CVDs, such as atherosclerosis, ischemic heart disease, heart failure, ischemia-reperfusion injury and aorta aneurysm. Among these, aorta aneurysm, a very complex pathological condition with uncertain etiology and fatal complications (i.e. dissection and rupture), has been associated with the occurrence of high risk cardiovascular conditions, including thrombosis and embolism. In this review, we discuss the possible role of TLR-4 signaling pathway in the development of aorta aneurysm, considering the emerging evidence from ongoing investigations. Our message is that emphasizing the role of TLR-4 signaling pathway in aorta aneurysm may serve as a starting point for future studies, leading to a better understanding of the pathophysiological basis and perhaps the effective treatment of this difficult human disease.

10.1016/j.yjmcc.2017.06.011http://hdl.handle.net/11568/1022106