2021
DOI: 10.3389/fchem.2020.629835
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The Immunomodulatory Potential of Copper and Silver Based Self-Assembled Metal Organic Biohybrids Nanomaterials in Cancer Theranostics

Abstract: Copper high aspect ratio structures (CuHARS) and silver cystine nanoparticles (AgCysNPs) are two unique micro/nano particles under study here that show extensive anti-cancer effects on a glioma tumor cell line. These micro/nano particles have shown potent toxicity in the presence of inflammatory stimulus (combination of tumor necrosis factor, [TNF] and lipo-polysaccharide, LPS). CuHARS with a concentration of 20 μg/ml uniquely increased the catalytic generation of nitric oxide (NO), an important contributor in… Show more

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Cited by 15 publications
(15 citation statements)
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“…The copper that is too abundant within cells can be transported to the mitochondria by ionophores and directly bind to lipoylated components of the tricarboxylic acid cycle, resulting in the accumulation of lipoylated proteins and loss of iron–sulfur cluster proteins, which leads to proteotoxic stress and ultimately to cell death. A growing body of evidence shows that unbalanced copper homeostasis can affect tumor growth and induce tumor cell death ( 20 ), and copper plays an indispensable role in tumor immunity and antitumor therapy ( 21 , 22 ). In addition, the development of diverse biomaterials and nanotechnology that allow copper to be fabricated into different structures to achieve its therapeutic action is worthy of attention ( 20 ).…”
Section: Discussionmentioning
confidence: 99%
“…The copper that is too abundant within cells can be transported to the mitochondria by ionophores and directly bind to lipoylated components of the tricarboxylic acid cycle, resulting in the accumulation of lipoylated proteins and loss of iron–sulfur cluster proteins, which leads to proteotoxic stress and ultimately to cell death. A growing body of evidence shows that unbalanced copper homeostasis can affect tumor growth and induce tumor cell death ( 20 ), and copper plays an indispensable role in tumor immunity and antitumor therapy ( 21 , 22 ). In addition, the development of diverse biomaterials and nanotechnology that allow copper to be fabricated into different structures to achieve its therapeutic action is worthy of attention ( 20 ).…”
Section: Discussionmentioning
confidence: 99%
“…Moreover, mounting evidence suggests that dysregulation of copper homeostasis can in uence tumor cell growth and cause tumor cell death [19]. And copper plays critical roles in tumor immunology and anti-cancer treatment [20,21]. Mechanistically, Tsvetkov et al demonstrated that excessive intracellular copper mediates cell death under the guidance of mitochondrial iron-sulfur protein (Fe-S) FDX1.…”
Section: Discussionmentioning
confidence: 99%
“…At the same time, biocompatibility and antibacterial ability must also be achieved. At present, most experiments evaluate the toxicity of copper-based biomaterials by testing them with bone marrow stem cells, osteoblasts, and other cells, and using in vivo experiments in small animals ( Prajapati et al, 2020 ). However, these do not simulate the human body’s true response to toxicity, so more clinical trial results are needed.…”
Section: Discussionmentioning
confidence: 99%