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Gold nanoparticles and angiogenesis: molecular mechanisms and biomedical applications.
Int J Nanomedicine ; 14: 7643-7663, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31571869
ABSTRACT
Angiogenesis is the formation of new blood vessels from pre-existing vessels. It is a highly regulated process as determined by the interplay between pro-angiogenic and anti-angiogenic factors. Under certain conditions the balance between angiogenesis stimulators and inhibitors is altered, which results in a shift from physiological to pathological angiogenesis. Therefore, the goal of therapeutic targeting of angiogenic process is to normalize vasculature in target tissues by enhancing angiogenesis in disease conditions of reduced vascularity and blood flow, such as tissue ischemia, or alternatively to inhibit excessive and abnormal angiogenesis in disorders like cancer. Gold nanoparticles (AuNPs) are special particles that are generated by nanotechnology and composed of an inorganic core containing gold which is encircled by an organic monolayer. The ability of AuNPs to alter vasculature has captured recent attention in medical literature as potential therapeutic agents for the management of pathologic angiogenesis. This review provides an overview of the effects of AuNPs on angiogenesis and the molecular mechanisms and biomedical applications associated with their effects. In addition, the main synthesis methods, physical properties, uptake mechanisms, and toxicity of AuNPs are briefly summarized.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Tecnologia Biomédica / Nanopartículas Metálicas / Ouro / Neovascularização Patológica Aspecto clínico: Terapia Limite: Humanos Idioma: Inglês Revista: Int J Nanomedicine Ano de publicação: 2019 Tipo de documento: Artigo País de afiliação: Jordânia