Ontology highlight
ABSTRACT:
PROVIDER: PRJNA757790 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR15614310_1.fastq.gz | Fastqsanger.gz | |||
| SRR15614310_2.fastq.gz | Fastqsanger.gz | |||
| SRR15614311_1.fastq.gz | Fastqsanger.gz | |||
| SRR15614311_2.fastq.gz | Fastqsanger.gz | |||
| SRR15614312_1.fastq.gz | Fastqsanger.gz |
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Project description:RNA-seq of topical Notoginsenoside R1(NR1) and berberine treatment on diabetic ulcers
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Project description:Clinically, topical Fu Huang ointment has achieved good results in the treatment of diabetic ulcers, but its specific mechanisms of action are unclear.
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Project description:The anti-diabetes activity of Rhizoma Coptidis was documented in the book âNotes of Elite Physiciansâ written by Hongjing Tao 1500 years ago. Berberine (BBR) is the major isoquinoline alkaloid constituent of the Chinese herb Rhizoma Coptidis, which has the beneficial characteristic of regulating glucose and lipid metabolism and has been extensively used in the treatment of obesity, diabetes and hypercholesterolemia. However, the effect of berberine on specific diabetes treatment targets is unknown. This study was conducted to elucidate the genome-wide gene expression profile in Zucker Diabetic Fatty Rats liver tissues in response to Berberine treatment.
2016-11-30 | E-MTAB-5178 | biostudies-arrayexpress
Project description:Objective: This study aims to investigate the diversity of fibroblasts present in diabetic ulcers and their impact on the wound healing process, as well as to evaluate the effectiveness of Platelet-Rich Plasma (PRP) therapy in the management of diabetic ulcers. Methodology: The single-cell dataset GSE165816 from the GEO database was utilized to analyze DFU-healer and DFU-nonhealer samples in order to evaluate variations in fibroblasts. Functional characteristics of fibroblasts were investigated through analyses of cell communication, transcription factors, and pseudotime analysis. Additionally, a diabetic ulcer rat model was established to compare the therapeutic effects of PRP, followed by histological and transcriptomic sequencing analyses. Result: Single-cell sequencing analysis identified a greater abundance of fibroblasts in the group of diabetic foot ulcer (DFU) patients who exhibited healing. The findings from biological informatics analysis emphasized the critical role of fibroblasts in the wound healing process. Treatment with PRP notably enhanced wound healing in diabetic ulcers in rats, and transcriptomic analysis indicated that gene expression levels post-PRP treatment resembled those of the non-diabetic ulcer group, with a strong association to fibroblasts. Conclusion: Fibroblasts are essential in the process of healing diabetic ulcers, as certain transcription factors have the potential to facilitate wound closure. PRP therapy has been shown to enhance the healing process in diabetic ulcer rat models, possibly through the modulation of gene expression and the promotion of extracellular matrix arrangement. This research offers novel insights and potential therapeutic approaches for managing diabetic ulcers.
2024-11-11 | GSE280992 | GEO
Project description:OBJECTIVE: To assess the safety and efficacy as well as determination of the molecular mechanism of action of topical allogeneic ADSC therapy in the treatment of ulcers in patients with neuropathic diabetic foot. RESEARCH DESIGN AND METHODS: We examined a total of 57 patients with neuropathic diabetic foot in grades IA and IIA according to the University of Texas classification. Finally 23 patients received treatment with standard therapy and fibrin glue (fibrin gel group) and 23 received treatment with standard therapy and ADSC suspended in tissue glue (fibrin gel + ADSC group). The primary outcome was determining the time needed to reduce the wound size by 50% from the initial size in both groups by assessing the wound surface, the evaluation of treatment safety, expressed as the occurrence of any adverse events; the evaluation of symptoms improvement (e.g. pain, itching, etc.) assessed by Visual Analogue Scale (VAS) and analysis of the expression of selected pro-angiogenic and immunomodulatory factors in the wounds treated in both study groups. RESULTS:The ADSC group benefited from the use of stem cells in terms of accelerated wound healing and greater likelihood of complete healing of the wound. In a second week after administration of therapy, the difference between the groups was already statistically significant (p = 0,04). The time to the 50% reduction of the size of the wound in the fibrin gel + ADSC group was significantly shorter (18.9 +/- 2.2 days ) than in the group receiving fibrin gel (39.8 +/- 6.9 days ), p = 0.0035. CONCLUSIONS: The results of the preliminary analysis show that the use of allogeneic ADSCs in the treatment of neuropathic diabetic foot ulcers is a safe method of therapy, which allows to improve the effects of wound healing. Our study indicates also the association of higher expression of selected proteins expression intensifying the healing process through a faster transition to the proliferation phase with a faster reduction in wound area, and long-term efficacy of allogeneic ADSC cells.
2023-03-11 | PXD032099 | Pride
Project description:to gain a better understanding on the genomic mechanisms involved in defective healing in diabetes, we characterized here the gene expression profile and gene-gene interaction network of cultured fibroblasts derived from chronic diabetic leg ulcers comparatively to fibroblast obtained from control donors. Comparative transcriptomic analysis of cultured fibroblasts derived from six diabetic leg ulcers and five control fibroblasts using DNA microarrays and bioinformatics tools for studying gene-gene interaction networks.
2013-10-30 | E-GEOD-26365 | biostudies-arrayexpress
Project description:Circular RNA (circRNA) microarray analysis was performed to examine the expression profiles of circRNAs in diabetic foot ulcers (DFU) and in human excisional skin wounds 7 days after injury.
2019-10-01 | GSE114248 | GEO
Project description:Diabetic retinopathy (DR), the leading cause of blindness in working-age adults, is thought to be primarily a microvascular complication of diabetes. As a central element of the retinal neurovascular unit, Müller cells, the major macroglia of the retina, are important for maintaining a healthy and functional retina and play a critical role in several pathological events during DR disease progression. Here, we aim to improve our understanding of Müller cell-specific signalling pathways that are altered during DR disease progression in order to develop novel gene therapy strategies that target Müller cells. We used a multi-omics approach on purified Müller cells from 6-month-old control and diabetic db/db mice, including (i) RNA-seq followed by oPOSSUM-3 transcription factor (TF) binding site cluster analysis, (ii) glial chromatin landscape analysis by ATAC-seq, and (iii) Müller cell proteomics by MS/MS mass spectrometry. This led to the identification of the glucocorticoid receptor (GR, gene ID: Nr3c1) most highly expressed in Müller cells. In cells from diabetic mice, GR mRNA and protein expression is significantly reduced and its target gene cluster downregulated in Müller cells. Importantly, GR was identified as a potential master regulator not only by oPOSSUM analysis based on differentially expressed mRNA in Müller cells, but also validated by the ATAC-seq approach. In an in vitro cortisol-stimulated retinal explant model cortisol not only increased GR phosphorylation, but also induced changes in the expression of known downstream GR target genes. Finally, we evaluated whether AAV-mediated GR overexpression in Müller cells improves retinal functionality and we found moderate improvements indicated by electroretinography. While synthetic and topical glucocorticoids are widely used in ophthalmology with undeniable beneficial effects, our study provides valuable new insight into the role of GR signalling and glial alterations in the diabetic retina. This supports the therapeutic concept of locally enhancing the GR signaling axis. Our findings of reduced GR levels in Müller cells of the diabetic retina suggests that therapeutic approaches should aim at increasing the expression of the receptor rather than adding more ligand.
2024-05-23 | PXD045085 | Pride