Chondroitin sulfate coated gold nanoparticles: a new strategy to resolve multidrug resistance and thromboinflammation

2016 ◽  
Vol 52 (5) ◽  
pp. 966-969 ◽  
Author(s):  
Deepanjali Gurav ◽  
Oommen P. Varghese ◽  
Osama A. Hamad ◽  
Bo Nilsson ◽  
Jöns Hilborn ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Multidrug Resistance ◽  
Chondroitin Sulfate ◽  
Cancer Cells ◽  
Chemotherapeutic Drug ◽  
New Strategy

We have developed the first chondroitin sulfate polymer coated gold nanoparticles that can simultaneously overcome mulidrug resistance in cancer cells and suppress thromboinflammation triggered by the chemotherapeutic drug.

scholarly journals A new strategy for the green synthesis of chondroitin sulfate-reduced gold nanoparticles; in vitro evaluation of synthesized nanoparticles

Bioimpacts ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 217-226
Author(s):  
Maryam Asariha ◽  
Azam Chahardoli ◽  
Farshad Qalekhani ◽  
Mahnaz Ghowsi ◽  
Mehdi Fouladi ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Antibacterial Activity ◽  
Green Synthesis ◽  
Chondroitin Sulfate ◽  
Blood Compatibility ◽  
Spherical Shape ◽  
Hemolysis Assay ◽  
Wide Range ◽  
New Strategy

introduction: The application of gold nanoparticles (GNPs) in medicine is expanding as an effective therapeutic and diagnostic compound. Different polysaccharides with high biocompatibility and hydrophilic properties have been used for synthesis and capping of GNPs. Chondroitin sulfate (CHS) as a polysaccharide possesses a wide range of biological functions e.g. anti-oxidant, anti-inflammation, anti-coagulation, anti-atherosclerosis, anti-thrombosis with insignificant immunogenicity and has not been used for the green synthesis of GNPs. Methods: GNPs were synthesized using CHS, and their physicochemical properties were evaluated. The antibacterial activity of CHS-GNPs was estimated against both gram-positive and gram-negative bacteria. The cytotoxicity of CHS and CHS-GNPs was obtained by MTT (3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide) test, and the electrocatalytic activity of CHS-GNPs was investigated. The blood compatibility was evaluated by the in vitro hemolysis assay. Results: The absorption band at 527 nm reveals the reduction of Au3+ into GNPs. The transmission electron microscopy (TEM) image displays the spherical shape of GNPs in the range of 5.8–31.4 nm. The CHS and CHS-GNPs at 300 µg/mL revealed a maximum DPPH (1, 1-diphenyl-2-picrylhydrazyl) scavenging activity of 73% and 65%, respectively. CHS-GNPs showed antibacterial activity against Bacillus subtilis, while CHS has no antibacterial activity. CHS-GNPs exhibited a cytotoxicity effect against MDA-MB-468 and βTC3 cancer cell lines, and the electrochemical study indicated a significant increase in electrocatalytic properties of CHS-GNPs coated electrode compared by the bare electrode. The hemolysis test proved the blood compatibility of CHS-GNPs. Conclusion: The results indicate the advantages of using CHS to produce blood-compatible GNPs with antioxidant, cytotoxic, and electrochemical properties.

scholarly journals Alginate/CaCO3 Hybrid Loaded with Sorafenib Tosylate and Gold Hexagons: A Model for Efficient Dual (Chemo-Radio) Treatment of HepG2 Cells

2021 ◽  
Author(s):  
Firas A. Sukkar ◽  
Medhat W. Shafaa ◽  
Mohamed S. El-Nagdy ◽  
Soheir S. Korraa ◽  
wael darwish
Keyword(s):  
Hepatocellular Carcinoma ◽  
Gold Nanoparticles ◽  
Cancer Cells ◽  
Hepg2 Cells ◽  
Human Hepatocellular Carcinoma ◽  
The Novel ◽  
Chemotherapeutic Drug ◽  
Hydrophobic Drug ◽  
Γ Radiation ◽  
Different Doses

Abstract In this work, we investigated the combinatorial cytotoxic actions of the chemotherapeutic drug (sorafenib tosylate, ST) in synergism with γ-radiation on human hepatocellular carcinoma (HepG2) cells. The novel radiosensitizer, hexagonal gold nanoparticles, was prepared and utilized To enhance the radiobiological response of HepG2 cells. A well-designed nanoporous alginate/CaCO3 hybrid was prepared as a biocompatible/biodegradable nanocarrier for co-delivery of the hydrophobic drug and the hydrophilic radiosensitizer to the cancer cells. Incubation of HepG2 cells with the nanoprobes followed by different doses (0, 3 or 6 Gy) of γ-radiation resulted in significant reduction of the cells viability as a result of the synergistic (chemo-radiation) cytotoxic actions.

scholarly journals Dual P-Glycoprotein and CA XII Inhibitors: A New Strategy to Reverse the P-gp Mediated Multidrug Resistance (MDR) in Cancer Cells

Molecules ◽  
2020 ◽  
Vol 25 (7) ◽  
pp. 1748 ◽  
Author(s):  
Elisabetta Teodori ◽  
Laura Braconi ◽  
Silvia Bua ◽  
Andrea Lapucci ◽  
Gianluca Bartolucci ◽  
...  
Keyword(s):  
Multidrug Resistance ◽  
Cancer Cells ◽  
Glycoprotein P ◽  
Reversal Effect ◽  
P Glycoprotein ◽  
New Strategy ◽  
Uptake Test ◽  
New Compounds ◽  
Alkanol Amine ◽  
Mdr Reversal

A new series of N,N-bis(alkanol)amine aryl diesters was synthesized and studied as dual P-glycoprotein (P-gp) and carbonic anhydrase XII inhibitors (CA XII). These hybrids should be able to synergistically overcome P-gp mediated multidrug resistance (MDR) in cancer cells. It was reported that the efflux activity of P-gp could be modulated by CA XII, as the pH reduction caused by CA XII inhibition produces a significant decrease in P-gp ATPase activity. The new compounds reported here feature both P-gp and CA XII binding moieties. These hybrids contain a N,N-bis(alkanol)amine diester scaffold found in P-glycoprotein ligands and a coumarin or benzene sulfonamide moiety to target CA XII. Many compounds displayed a dual activity against P-gp and CA XII being active in the Rhd 123 uptake test on K562/DOX cells and in the hCA XII inhibition test. On LoVo/DOX cells, that overexpress both P-gp and CA XII, some coumarin derivatives showed a high MDR reversal effect in Rhd 123 uptake and doxorubicin cytotoxicity enhancement tests. In particular, compounds 7 and 8 showed higher activity than verapamil and were more potent on LoVo/DOX than on K562/DOX cells overexpressing only P-gp. They can be considered as valuable candidates for selective P-gp/CA XII inhibition in MDR cancer cells.

Doxorubicin-Tethered Responsive Gold Nanoparticles Facilitate Intracellular Drug Delivery for Overcoming Multidrug Resistance in Cancer Cells

ACS Nano ◽  
2011 ◽  
Vol 5 (5) ◽  
pp. 3679-3692 ◽  
Author(s):  
Feng Wang ◽  
Yu-Cai Wang ◽  
Shuang Dou ◽  
Meng-Hua Xiong ◽  
Tian-Meng Sun ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Gold Nanoparticles ◽  
Multidrug Resistance ◽  
Cancer Cells ◽  
Intracellular Drug Delivery

Panax Notoginseng Saponins Promote Cell Death and Chemosensitivity in Pancreatic Cancer through the Apoptosis and Autophagy Pathways

2020 ◽  
Vol 20 ◽  
Author(s):  
Li-Chao Yao ◽  
Lun Wu ◽  
Wei Wang ◽  
Lu-Lu Zhai ◽  
Lin Ye ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Cell Proliferation ◽  
Cancer Cells ◽  
Panax Notoginseng ◽  
Panax Notoginseng Saponins ◽  
Transwell Assay ◽  
Pancreatic Cancer Cells ◽  
New Strategy ◽  
Induced Apoptosis ◽  
Promote Cell Death

Background:: Panax Notoginseng Saponins (PNS) is used as traditional Chinese medicine for ischemic stroke and cardiovascular disease, it has been proven to possess anticancer activity recently. Objective:: In this study, we aimed to explore the anticancer curative effect and potential mechanisms of PNS in pancreatic cancer cells. Methods:: Pancreatic cancer Miapaca2 and PANC-1 cells were treated with PNS and Gemcitabine (Gem), respectively. Then the cell viability was assessed by CCK-8 assay, cell proliferation was tested by colony formation assay and EdU cell proliferation assay, cell migration and invasiveness were tested by wound healing assay and transwell assay respectively, and cell apoptosis was detected by flow cytometry. Finally, we detected the expression levels of proteins related to migration, apoptosis and autophagy through Western blotting. Results:: PNS not only inhibited the proliferation, migration, invasion and autophagy of Miapaca2 and PANC-1 cells, but also induced apoptosis and promoted chemosensitivity of pancreatic cancer cells to Gem. Conclusion:: PNS may exhibit cytotoxicity and increase chemosensitivity of pancreatic cancer cells to Gem by inhibiting autophagy and inducing apoptosis, providing a new strategy and potential treatment option for pancreatic cancer.

scholarly journals Chitosan-Coated Gold Nanoparticles Induce Low Cytotoxicity and Low ROS Production in Primary Leucocytes, Independent of Their Proliferative Status

Pharmaceutics ◽  
2021 ◽  
Vol 13 (7) ◽  
pp. 942
Author(s):  
Helen Yarimet Lorenzo-Anota ◽  
Diana G. Zarate-Triviño ◽  
Jorge Alberto Uribe-Echeverría ◽  
Andrea Ávila-Ávila ◽  
José Raúl Rangel-López ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Cell Death ◽  
Cancer Cells ◽  
Cell Lines ◽  
Mononuclear Cells ◽  
Bone Marrow Cells ◽  
Lymphoid Cells ◽  
Ros Production ◽  
Biomedical Sciences ◽  
Peripheral Blood Mononuclear

(1) Background: Chitosan-coated gold nanoparticles (CH-AuNPs) have important theranostic applications in biomedical sciences, including cancer research. However, although cell cytotoxicity has been studied in cancerous cells, little is known about their effect in proliferating primary leukocytes. Here, we assessed the effect of CH-AuNPs and the implication of ROS on non-cancerous endothelial and fibroblast cell lines and in proliferative lymphoid cells. (2) Methods: The Turkevich method was used to synthetize gold nanoparticles. We tested cell viability, cell death, ROS production, and cell cycle in primary lymphoid cells, compared with non-cancer and cancer cell lines. Concanavalin A (ConA) or lipopolysaccharide (LPS) were used to induce proliferation on lymphoid cells. (3) Results: CH-AuNPs presented high cytotoxicity and ROS production against cancer cells compared to non-cancer cells; they also induced a different pattern of ROS production in peripheral blood mononuclear cells (PBMCs). No significant cell-death difference was found in PBMCs, splenic mononuclear cells, and bone marrow cells (BMC) with or without a proliferative stimuli. (4) Conclusions: Taken together, our results highlight the selectivity of CH-AuNPs to cancer cells, discarding a consistent cytotoxicity upon proliferative cells including endothelial, fibroblast, and lymphoid cells, and suggest their application in cancer treatment without affecting immune cells.

scholarly journals Differential Effects of Gold Nanoparticles and Ionizing Radiation on Cell Motility between Primary Human Colonic and Melanocytic Cells and Their Cancerous Counterparts

2021 ◽  
Vol 22 (3) ◽  
pp. 1418
Author(s):  
Elham Shahhoseini ◽  
Masao Nakayama ◽  
Terrence J. Piva ◽  
Moshi Geso
Keyword(s):  
Gold Nanoparticles ◽  
Ionizing Radiation ◽  
Cancer Cells ◽  
Cell Lines ◽  
Colorectal Adenocarcinoma ◽  
X Rays ◽  
Cell Adherence ◽  
Cancerous Cell ◽  
Primary Colon ◽  
Radiation Induced

This study examined the effects of gold nanoparticles (AuNPs) and/or ionizing radiation (IR) on the viability and motility of human primary colon epithelial (CCD841) and colorectal adenocarcinoma (SW48) cells as well as human primary epidermal melanocytes (HEM) and melanoma (MM418-C1) cells. AuNPs up to 4 mM had no effect on the viability of these cell lines. The viability of the cancer cells was ~60% following exposure to 5 Gy. Exposure to 5 Gy X-rays or 1 mM AuNPs showed the migration of the cancer cells ~85% that of untreated controls, while co-treatment with AuNPs and IR decreased migration to ~60%. In the non-cancerous cell lines gap closure was enhanced by ~15% following 1 mM AuNPs or 5 Gy treatment, while for co-treatment it was ~22% greater than that for the untreated controls. AuNPs had no effect on cell re-adhesion, while IR enhanced only the re-adhesion of the cancer cell lines but not their non-cancerous counterparts. The addition of AuNPs did not enhance cell adherence. This different reaction to AuNPs and IR in the cancer and normal cells can be attributed to radiation-induced adhesiveness and metabolic differences between tumour cells and their non-cancerous counterparts.

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