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In vitro biocompatibility of Ti-Cp vs Ti-26Nb alloys on Saos-2 and THP-1 cells

ABSTRACT: In vitro biocompatibility of Ti-Cp vs Ti-26Nb alloys on Saos-2 and THP-1 cells

PROVIDER: PRJNA813298 | ENA |

REPOSITORIES: ENA

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In vitro biocompatibility of Ti-Cp vs Ti-26Nb alloys on Saos-2 and THP-1 cells

Project description:This study assess the biocompatibility of Ti-26Nb compared to Ti-Cp, a reference in implantology, through the combination of conventional toxicological assay, morphological observations and transcriptomic analysis performed on two different cells line : Saos-2 and THP-1. The biocompatibility of Ti-Cp implants was evaluated in comparison with Ti-26Nb implants both having a mirror polished surface, studying cell proliferation (trypan blue and WST-1) and cell morphology/adhesion (SEM) on human THP-1 and Saos-2 cell lines. Finally, an evaluation of a potential toxicity of potassium niobiate powder KNbO3 was carried out by measuring metabolic activity and realizing a transcriptomic study on the THP-1 line (the first one) to deepen the results observed with Ti-26Nb discs. Indeed, niobiate ions are potentially released from implant in cellular acidic environnement. Concerning Saos-2 cells, our results suggest that Ti-26Nb and Ti-Cp discs do not impact proliferation and viability. Concerning THP-1 cell line, a decrease in proliferation and viability is observed in contact of Ti-26Nb discs (hypothesis of a cell-line effect ?, no biocompatibility study on monocyte/macrophage cell lines such as THP-1 actually available in literature). KNbO3 powder does not impact viability of THP-1 cells and does not induce changes at molecular level. Taken together, these data suggest a possible toxicity of Ti-26Nb toward THP-1 cells not directly related to the niobium but perhaps to the manufacturing process of Titane niobium alloy.

2022-08-31 | GSE197987 | GEO

In vitro biocompatibility of ZrO2 vs Y-TZP alloys on Saos-2 cells: influence of composition and surface topography

Project description:This study assess the biocompatibility of ZrO2 vs Y-TZP alloys on Saos-2 cells, through the combination of conventional toxicological assay, morphological observations and transcriptomic analysis performed on Saos-2 cells. The biocompatibility of ZrO2 alloys was evaluated in comparison with Y-TZP alloys, studying cell proliferation (WST-1) and cell morphology/adhesion (SEM) on human Saos-2 cell lines. Finally, an evaluation of gene expression was performed on Y-TZP alloys rough surface that seems more interesting regarding biocompatibility results.

2022-07-13 | GSE203572 | GEO

Saos-2 vs. Saos-2-2 cells

2013-10-11 | GSE50808 | GEO

Saos-2 vs. Saos-2-2 cells

Project description:Saos-2-2, a TSG101-deficient stable line, was dereived from Saos-2 cells. The goal of this experiment was to determine the effects of TSG101 down-regulation on global gene expression. Saoa-2 and Saos-2-2 samples were labeled with Cys-3 and Cys-5 respectively, and hybrided with microarray simutaneously to differentiate the up- and down-regulated genes.

2013-10-11 | E-GEOD-50808 | biostudies-arrayexpress

Ralstonia sp. CP strain:CP

Project description:Ralstonia sp. CP strain:CP Genome sequencing

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circRNAs, miRNAs and mRNAs expression profiling in rBMSCs affected by Ta-modified Ti surface or simple Ti surface

Project description:We have employed circRNAs, miRNAs and mRNAs expression profiling as a discovery platform to identify genes with the potential to distinguish rBMSCs affected by Ta-modified Ti surface or simple Ti surface

2020-11-18 | GSE161611 | GEO

The effects of SMYD2 overexpression on ectopic RB in SAOS cells

Project description:Expression analysis of wild-type SAOS cells and SAOS cells transiently transfected with RB, SMYD2, or RB and SMYD2.

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Identification of target genes regulated by ΔNp63α in SaOS-2 cells stably expressed with ΔNp63α

Project description:To identify the target gene of ΔNp63α, in osteosarcoma cells, we performed the global gene expression profiling in SaOS- 2 cells stably overexpressing the ΔNp63α gene (SaOS- 2-ΔNp63α). ΔNp63α target genes were identified by comparison with genes expressed from SaOS-2-EV transfected with an empty vector ( SaOS-2-EV).

2014-02-27 | GSE54942 | GEO

DNase-seq profiling of Saos-2 and U2OS cell lines

Project description:We performed DNase-seq on two osteosarcoma cell lines, Saos-2 and U2OS. This was done to identify regulatory regions within the genomes of these cells. We performed hotspot calling on these data using Hotspot2 (https://github.com/Altius/hotspot2) to identify 51,556 DNaseI hypersensitive sites within Saos-2 cells and 63,388 within U2OS cells.

2020-01-03 | GSE142160 | GEO

Effects of PRIMA-1 treatment on Saos-2 p53-null and Saos-2 p53-His273 cells

Project description:This SuperSeries is composed of the following subset Series: GSE15367: Expression analysis of Saos-2 p53-null cells GSE15368: Expression analysis of Saos-2 cells expressing p53-His273 Refer to individual Series

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