ArticleInternational journal of nanomedicine2022
Functionalized Titanium Nanoparticles Induce Oxidative Stress and Cell Death in Human Skin Cells.
Article in International journal of nanomedicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 19 citations in OpenAlex.
- Assessment of ion release, cytotoxicity, and potential systemic toxicity of titanium dental alloy.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2026Article
- Deciphering the Toxicity of Metal Tungstates and Molybdates: Effects on L929 Cell Metabolic Activity, Oxidative Stress, and Genotoxicity.Journal of applied toxicology : JAT · 2025Article
- Article
- Photocatalytic and Photothermal Antimicrobial Mussel-Inspired Nanocomposites for Biomedical Applications.International journal of molecular sciences · 2023Article
- Functionalized and Nonfunctionalized Nanosystems for Mitochondrial Drug Delivery with Metallic Nanoparticles.Molecules (Basel, Switzerland) · 2023Review
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Authors and funding
13 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: Nanoparticles are resources of advanced nanotechnology being present in several products. Titanium dioxide nanoparticles are among the five most widely used NP currently expanding their benefits from the oil industry to the areas of diagnostic medicine due to their properties and small size. However, its impact on human health is still controversial in the literature. We aimed to evaluate the cytotoxicity of a new titanium NP functionalized with sodium carboxylic ligand (COOH Methods: The physical-chemical characterization was performed by the transmission electron microscopy (TEM), dynamic light scattering (DLS) and zeta potential techniques, respectively. MTT and LDH assays were used to assess cytotoxicity and cell membrane damage respectively, ELISA to identify the inflammatory profile and, reactive oxygen species assay and cytometry to detect reactive oxygen species and their relationship with apoptosis/necrosis mechanisms. Results: The results demonstrated a decrease in cell viability at the highest concentrations tested for both cell lines, but no change in LDH release was detected for the HaCaT. The cell membrane damage was found only at 100.0 µg/mL for the HDFn. It was demonstrated that cytotoxicity in the highest concentrations evaluated for both cell lines for the 72 h period. The HDFn showed damage to the cell membrane at a concentration of 100 µg/mL followed by a significant increase in reactive oxygen species production. No inflammatory profile was detected. The HaCaT showed apoptosis when exposed to the highest concentration evaluated and HDFn showed both apoptosis and necrosis for the same concentration. Conclusion: Thus, it is possible to conclude that the cytotoxicity mechanism differs according to the cell type evaluated, with HDFn being the most sensitive line in this case, and this mechanism can be defined in a dose and time dependent manner, since the highest concentrations also triggered death cell.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.