scholarly journals Copper Oxide Nanoparticles Stimulate Cytotoxicity and Apoptosis in Glial Cancer Cell Line

2018 ◽  
Vol 17 (1) ◽  
pp. 105-111 ◽  
Author(s):  
Nasim Rahmani Kukia ◽  
Ardeshir Abbasi ◽  
Seyyed Maysam Abtahi Froushani

Due to cytotoxic potential, Copper Oxide Nanoparticles (CuO NPs) have recently been studied in various in vivo and in culture cell line. Also, CuO has received much attention in cancer therapy. We aimed to evaluate the cytotoxicity of CuO NPs on glial cancer (B92) cell line. B92 cancer cells were cultured with CuO NPs at different concentrations (5, 10, and 20 μg/ml) with 30 and 60 nm particle size. Then, cancer cells were incubated for 24 hrs. The apoptosis and cytotoxicity of cells were estimated by acridine orange/propidium iodide staining and MTT assay, respectively. Both sizes of CuO NPs had cytotoxic effect. Even with the lowest concentration, the cytotoxic impact accommodated 32% of cell apoptosis with 30 nm size. When the concentration of CuO NPs increased, viability decreased and apoptosis increased. However, these amounts have no significant changes in the concentration of 10 to 20 μg/ml between two particle sizes (30 and 60 nm). The IC50 was decreased as the size of particles increased, but there was no significant change. This finding suggests that exposure to CuO NPs had significant cytotoxic effect with the sizes tested when compared to unexposed control in a way that the smaller size and higher concentration exerted the maximum cytotoxic effects. It seems that augmentation may not have any impact on their in vitro cytotoxicity.Dhaka Univ. J. Pharm. Sci. 17(1): 105-111, 2018 (June)

2018 ◽  
Vol 18 (17) ◽  
pp. 1483-1493
Author(s):  
Ricardo Imbroisi Filho ◽  
Daniel T.G. Gonzaga ◽  
Thainá M. Demaria ◽  
João G.B. Leandro ◽  
Dora C.S. Costa ◽  
...  

Background: Cancer is a major cause of death worldwide, despite many different drugs available to treat the disease. This high mortality rate is largely due to the complexity of the disease, which results from several genetic and epigenetic changes. Therefore, researchers are constantly searching for novel drugs that can target different and multiple aspects of cancer. Experimental: After a screening, we selected one novel molecule, out of ninety-four triazole derivatives, that strongly affects the viability and proliferation of the human breast cancer cell line MCF-7, with minimal effects on non-cancer cells. The drug, named DAN94, induced a dose-dependent decrease in MCF-7 cells viability, with an IC50 of 3.2 ± 0.2 µM. Additionally, DAN94 interfered with mitochondria metabolism promoting reactive oxygen species production, triggering apoptosis and arresting the cancer cells on G1/G0 phase of cell cycle, inhibiting cell proliferation. These effects are not observed when the drug was tested in the non-cancer cell line MCF10A. Using a mouse model with xenograft tumor implants, the drug preventing tumor growth presented no toxicity for the animal and without altering biochemical markers of hepatic function. Results and Conclusion: The novel drug DAN94 is selective for cancer cells, targeting the mitochondrial metabolism, which culminates in the cancer cell death. In the end, DAN94 has been shown to be a promising drug for controlling breast cancer with minimal undesirable effects.


2017 ◽  
Vol 474 (22) ◽  
pp. 3733-3746 ◽  
Author(s):  
Fatima Lahdaoui ◽  
Mathieu Messager ◽  
Audrey Vincent ◽  
Flora Hec ◽  
Anne Gandon ◽  
...  

Secreted mucins are large O-glycosylated proteins that participate in the protection/defence of underlying mucosae in normal adults. Alteration of their expression is a hallmark of numerous epithelial cancers and has often been correlated to bad prognosis of the tumour. The secreted mucin MUC5B is overexpressed in certain subtypes of gastric and intestinal cancers, but the consequences of this altered expression on the cancer cell behaviour are not known. To investigate the role of MUC5B in carcinogenesis, its expression was knocked-down in the human gastric cancer cell line KATO-III and in the colonic cancer cell line LS174T by using transient and stable approaches. Consequences of MUC5B knocking-down on cancer cells were studied with respect to in vitro proliferation, migration and invasion, and in vivo on tumour growth using a mouse subcutaneous xenograft model. Western blotting, luciferase assay and qRT–PCR were used to identify proteins and signalling pathways involved. In vitro MUC5B down-regulation leads to a decrease in proliferation, migration and invasion properties in both cell lines. Molecular mechanisms involved the alteration of β-catenin expression, localization and activity and decreased expression of several of its target genes. In vivo xenografts of MUC5B-deficient cells induced a decrease in tumour growth when compared with MUC5B-expressing Mock cells. Altogether, the present study shows that down-regulation of MUC5B profoundly alters proliferation, migration and invasion of human gastrointestinal cancer cells and that these alterations may be, in part, mediated by the Wnt/β-catenin pathway emphasizing the potential of MUC5B as an actor of gastrointestinal carcinogenesis.


Author(s):  
Seyedeh R. Alizadeh ◽  
Mohammad A. Ebrahimzadeh

Background: Cancer is defined as an abnormal/uncontrolled cell growth that shows rapid cell division. This disease is annually recognized in more than ten million people. Nanomaterials can be used as new strategies for cancer therapy. Nanostructured devices have developed for drug delivery and controlled release and created novel anticancer chemotherapies. Nanomaterials were taken into consideration because of their new properties, containing a large specific surface area and high reactivity. Copper oxide nanoparticles (CuONPs) have potential applications in many fields like heterogeneous catalysis, antibacterial, anticancer, antioxidant, antifungal, antiviral, imaging agents, and drug delivery agents in biomedicine. CuONPs display different physical properties, such as hightemperature superconductivity, electron correlation effects, and spin dynamics. NPs can be synthesized using different methods like physical, chemical, and biological methods. Methods: Copper oxide nanoparticles (CuONPs) have been suggested for its broad usage in biomedical applications. In this review, we tried to exhibit the results of significant anticancer activity of green synthesized CuONPs and their characterization by different analytical techniques such as UV-Vis, FT-IR, XRD, EDAX, DLS, SEM, and TEM. Results: The green method for the synthesis of CuO nanoparticles as eco-friendly, cost-effective, and facile method is the more effective method. Synthesized CuONPs from this method have an appropriate size and shape. The Green synthesized CuONPs exhibited high potential against several breast cancer (AMJ-13, MCF-7, and HBL-100 cell lines), cervical cancer (HeLa), colon cancer (HCT-116), gastric cancer (human adenocarcinoma AGS cell line), lung cancer (A549), leukemia cancer, and other cancers with the main toxicity approach of increasing ROS production. Conclusion: The present review confirms the importance of green synthesized CuO nanoparticles in medical science especially cancer therapy that exhibited high activity against different cancer in both in vitro and in vivo. The main toxicity approach of CuONPs is increasing the production of reactive oxygen species (ROS). It needs to perform more studies about in vivo cancer therapy and following clinical trial testing in the future. We believe that green synthesized CuO nanoparticles can be used for the improvement of different diseases.


RSC Advances ◽  
2015 ◽  
Vol 5 (83) ◽  
pp. 68169-68178 ◽  
Author(s):  
Dipranjan Laha ◽  
Arindam Pramanik ◽  
Sourav Chattopadhyay ◽  
Sandip kumar Dash ◽  
Somenath Roy ◽  
...  

Targeted delivery of copper oxide nanoparticles for breast cancer therapy.


2021 ◽  
Vol 23 (1) ◽  
Author(s):  
Seyyed Meysam Abtahi Froushani ◽  
Asghar Zamani ◽  
Ardeshir Abbasi

Background: Anticancer effects of Aloe vera and copper oxide nanoparticles (CuO NPs) have been separately determined. Hence, we investigated whether combining the hydroalcoholic extract of Aloe vera and green CuO NPs produced by eco-friendly and walnut shells could provide synergistic cytotoxicity against K562 cell lines. Methods: The K562 cells and PBMCs (1 × 105 cells/100 μL/well) were treated with serial dilution of Aloe vera extract (0, 20, 40, 60, 80, 160 and 320 mg/ mL) and green CuO NPs (0, 50, 100, 200 and 400 μM). After incubation for 24h, the viability of cells was determined by MTT assay. Cells were exposed to a mixture of Aloe vera extract and Green CuO NPs at the half-maximal inhibitory concentration (IC50) to assess the inhibitory effects. Results: The extract of Aloe vera and green CuO NPs had cytotoxic effects against K562 (cell-line in a dose-dependent manner). Unlike Aloe vera, the marginal safety of green CuO NPs was low. There were no significant dissimilarities in the IC50 value of the green CuO NPs against K562 cells compared to the IC50 value of the Green CuO NPs against PBMCs (175 ± 9 μM vs. 186.89 ± 8.88 μM). Combined treatment with minimal cytotoxic doses provided synergistic benefits and caused more cytotoxicity in K562 cells toward their separated treatment. Meanwhile, this combined concentration enhanced the cell-survival, not the cytotoxicity in PBMC treated cells. Conclusions: The combinative concentration of Aloe vera and green CuO may be considered alternative medicine later.


2019 ◽  
Vol 55 ◽  
pp. 154-169 ◽  
Author(s):  
Aditi Dey ◽  
Subhankar Manna ◽  
Jaydeep Adhikary ◽  
Sourav Chattopadhyay ◽  
Sriparna De ◽  
...  

2020 ◽  
Vol 11 (3) ◽  
pp. 10027-10039

The current study focusses on the optimization of Copper oxide nanoparticles (CuO NPs) biosynthesis with Alternanthera sessilis (L.) extract using response surface methodology (RSM). The effect of time, pH, and extract to metal concentration ratio on the yield of synthesized nanoparticles (NPs) were estimated using Box–Behnken design. The influence of each of the parameters, as mentioned earlier, was determined by synthesizing nanoparticles under different conditions. A total of 29 experimental runs were carried out to estimate the crucial parameters. Extract to the metal ratio was found to be the vital parameter for yield optimization based on the p-values (p-value < 0.05). The physicochemical property of NPs, like size, was estimated to be in the range of 10-20 nm. In zebrafish, 48 hpf and 72 hpf were measured at 90 µM to reduce dysfunction and mortality during organ development. These results can have a valuable impact on eco-toxicological effects.


Author(s):  
Ksh. Sangeeta Devi ◽  
Atom Rajiv Singh ◽  
D. Velmurugan ◽  
M. Damayanti Devi ◽  
Deepak Singh Lourembam ◽  
...  

Background: Copper oxide nanoparticles(CuO NPs) have been powerful evidence in several in vitro studies such as cytotoxicity and antimicrobial compared with other metal oxide. Here, we have synthesized green CuO NPs using Coix lacryma jobi leaves extracts. Place and Duration of Study: Department of Chemistry  Manipur University, Manipur, India and Regional Institute of Medical Sciences, Imphal, India between February 2019 to March 2021. Methodology: Green CuO NPs nanoparticles were synthesized from Copper chloride dihydrate (CuCl2.2H2O) using Coix lacryma jobi leaves extract, and the synthesized green CuO NPs were characterized using Field Emission Scanning Electron Microscopy (FESEM) - Energy Dispersive Spectroscopy, IR Spectroscopy, UV-Visible Spectroscopy, Powder X-Ray diffraction Spectroscopy and HR-TEM where FESEM-EDS determined the purity of CuO NPs. Results: No other impurities present were observed in EDS, and the PXRD spectra show the crystallite size of CuO NPs with respect to the (002) plane is found to be 25.2 nm, and the presence of CuO NPs at adsorption spectrum with a distinct peak at 282 nm was determined by  UV-Visible spectroscopy and the homogenous morphology and crystalline nature of the CuO NPs were determined from TEM micrograph and SAED pattern. In applications, the substantial anticancer activity of green CuO NPs (synthesized using Coix lacryma jobi leaves extract) was proved on human cervical and lung cancer cell lines with IC50 values of 31.88 μg/ml and 15.61 μg/ml, respectively.


2020 ◽  
Vol 16 (1) ◽  
pp. 101-111 ◽  
Author(s):  
Mehri Kouhkan ◽  
Parinaz Ahangar ◽  
Leila Ashrafi Babaganjeh ◽  
Maryam Allahyari-Devin

Background:The present study reveals the synthesis of copper oxide nanoparticles (CuO NPs) by probiotic bacteria (Lactobacillus casei subsp. casei) and demonstrates the cytotoxic effects of these nanoparticles against gram negative and positive bacteria and cancer cell lines.Methods:The CuO NPs are biosynthesized from Lactobacillus casei subsp. casei (L. casei) in an eco-friendly and cost-effective process. These nanoparticles are characterized using Fourier transform infrared spectroscopy (FT-IR), X-ray diffractometer (XRD), field emission scanning electron microscopy (FESEM), energy dispersive X-ray (EDX) and transmittance electron microscope (TEM) analysis. The antibacterial activity is examined by Well-diffusion, minimum inhibitory concentrations (MIC) and minimum bactericidal concentrations (MBC) assays using Broth microdilution. Anticancer effects of these nanoparticles are evaluated by methyl thiazolyl diphenyl-tetrazolium bromide (MTT) assay and Griess test.Results:Our results confirm the biosynthesis of CuO NPs from L. casei. Antibacterial assays demonstrate that treatment of gram-negative and gram-positive bacteria with CuO NPs inhibits the growth of these bacteria. Furthermore, the cell viability of human cancer cells decreases while treated by nanoparticles. These nanoparticles increase nitric oxide (NO) secretion determined by NO production measurement.Conclusion:These results suggest that CuO NPs may exert antibacterial effects as well as cytotoxic effects on cancer cells by suppressing their growth, increasing the oxidative stress and inducing apoptosis.


2018 ◽  
Vol 24 (3) ◽  
pp. 213-218 ◽  
Author(s):  
Hadi Sedigh Ebrahim-Saraie ◽  
Hamid Heidari ◽  
Vahid Rezaei ◽  
Seyed Mohammad Javad Mortazavi ◽  
Mohammad Motamedifar

Background: Recently, nanotechnology has been demonstrated to be a promising application to overcome the problem of antibiotic resistance. In the present study, we aimed to determine the antibacterial activity of copper oxide nanoparticles (CuO NPs) on several multiple-drug resistant (MDR) uropathogenic strains. Methods: This in vitro case-control study was performed on 4 uropathogenic bacteria including Staphylococcus aureus, Enterococcus faecalis, Escherichia coli and Pseudomonas aeruginosa. The antibacterial property was evaluated by well diffusion method at different concentrations of CuO NPs. Results: Overall, NPs concentration of 10, 25 and 50 µg/mL showed the remarkable antibacterial activity. A lower effect was seen against S. aureus strains. CuO NPs exhibited maximum bacterial growth inhibition against E. faecalis strains. In most of the cases, the zone of inhibition in 50 µg/mL concentration was closest to control positive antibiotics. Conclusion: In summary, CuO NPs as an alternative to conventional antibiotics that are currently used showed dose-dependent on antibacterial activity against different uropathogens, specificity towards pathogenic Gram-positive bacteria. This promising antibacterial activity of CuO NPs suggesting the development of NPs coatings on the different surface of biomedical materials for applications in different antimicrobial control systems.


Sign in / Sign up

Export Citation Format

Share Document