Ontology highlight
ABSTRACT:
PROVIDER: PRJNA997305 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR25400900_1.fastq.gz | Fastqsanger.gz | |||
| SRR25400900_2.fastq.gz | Fastqsanger.gz | |||
| SRR25400901_1.fastq.gz | Fastqsanger.gz | |||
| SRR25400901_2.fastq.gz | Fastqsanger.gz | |||
| SRR25400902_1.fastq.gz | Fastqsanger.gz |
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Project description:The mucosal penetration area formed by implant placement is critical problems of dental implant treatment, because epithelial barrier is broken and it can become a source of inflammation. To clarify the influence and risk caused by dental implant treatment in peri-implant soft tissue, we compared to gene expression profile of peri-implant soft tissue and oral mucosal tissue with microarray analysis. Both side upper first molars of 4 week-old rat were extracted, and titanium alloy implants were placed only in the left extraction socket. Four weeks after surgery, samples were harvested from left side of peri-implant soft tissue and right side of oral mucosal tissue.
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Project description:The mucosal penetration area formed by implant placement is critical problems of dental implant treatment, because epithelial barrier is broken and it can become a source of inflammation. To clarify the influence and risk caused by dental implant treatment in peri-implant soft tissue, we compared gene expression profile of peri-implant soft tissue and oral mucosal tissue with microarray analysis.
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Project description:In this study we want to ascertain the differences and similarities of infected and inflammated peri implant tissue versus healthy peri implant tissue at the mRNA level. Six of the patients where affected by periimplantitis. In situ dental implants where explanted because of inflammation and non-integration. From two patients, implants were explanted because of wrong placement. They where classified as implants with healthy periimplant tissue.
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2013-09-17 | E-GEOD-41446 | biostudies-arrayexpress
Project description:A specific set of genes involved in regulating cellular immune response, antigen presentation, and T cell activation and survival were down-regulated 7 days after LVAD placement. 6 months following LVAD placement, the expression levels of these genes were significantly increased; yet importantly, remained significantly lower than age and sex-matched samples from healthy controls. Examination of the effect of LVAD implant on peripheral blood transcriptome. Blood was drawn before LVAD placement, 7 days post implant, and 180 days post implant. RNA sequencing was performaed on all samples.
2013-05-06 | E-GEOD-46665 | biostudies-arrayexpress
Project description:Rationale：Poor peri-implant osseointegration of dental implants in patients with type II diabetes has become a major clinical challenge in recent years. MSC (Mesenchymal stem cell)-derived exosomes may play an important role in peri-implant osseointegration, but the mechanism remains unclear. Enhancing the therapeutic effect of MSC-derived exosomes and exploring the potential mechanism can help provide a new therapeutic strategy to improve the clinical outcome of dental implant restorations in patients with type II diabetes. Methods：The exosomes derived from hypoxia (Hypo-exos) or normoxia (Nor-exos) preconditioned bone marrow mesenchymal stem cells (BMSCs) were co-cultured with BMSCs and human umbilical vein endothelial cells (HUVECs). The effect of exosomes on BMSCs cell proliferation was detected by CCK-8 assay and EdU assay, and the effect on angiogenesis ability of HUVECs was detected by wound healing assay, transwell migration assay, tube formation assay, enzyme-linked immunosorbent assay (ELISA), quantitative real-time polymerase chain reaction (qRT-PCR) and western blot. A diabetic rat dental implant model was also established and the effect of exosomes on implant osseointegration was evaluated through micro-CT scanning and histological analysis. The differentially expressed miRNAs between Hypo-exos and Nor-exos were identified by high-throughput miRNA sequencing. Subsequently, the target genes and their roles in regulating angiogenesis were predicted and analyzed by bioinformatics analysis and dual luciferase reporter assay. Results：In vitro experiments indicated that hypoxia preconditioning could elevate exosome production and promote cell proliferation of BMSCs and angiogenesis of HUVECs. Moreover, Hypo-exos promoted peri-implant osteogenesis in rats with diabetes. Further investigation revealed the vital involvement of the miR-106b-5p/HIF-1α axis in promoting peri-implant osseointegration. Conclusion: Exosomes derived from hypoxia-preconditioned BMSCs could improve the peri-implant osseointegration in rats with diabetes by promoting cell proliferation and angiogenesis, and the miR-106b-5p/ HIF-1α axis could be the underlying mechanism.
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