Effects of melatonin derivatives on gene expressions in human normal keratincytes
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ABSTRACT:
PROVIDER: PRJNA615659 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR11429248_1.fastq.gz | Fastqsanger.gz | |||
| SRR11429248_2.fastq.gz | Fastqsanger.gz | |||
| SRR11429249_1.fastq.gz | Fastqsanger.gz | |||
| SRR11429249_2.fastq.gz | Fastqsanger.gz | |||
| SRR11429250_1.fastq.gz | Fastqsanger.gz |
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Project description:The aim of this study was to test the effects of melatonin derivatives on gene expressions in human normal keratincytes.
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Project description:Melatonin is a well-known agent that plays multiple roles in animals. Its possible function in plants is less clear. In the present study, we tested the effect of melatonin (N-acetyl-5-methoxytryptamine) on soybean growth and development. Both spraying of leaves and seed-coating with melatonin significantly promoted soybean growth as judged from leaf size and plant height. This enhancement was also observed in soybean production and their fatty acid content. Melatonin increased pod number, seed number and seed weight. However, the 100-seed weight was not influenced by melatonin application. Melatonin also improved soybean tolerance to salt and drought stresses. Transcriptome analysis revealed that melatonin up-regulated the expression of many genes and alleviated the inhibitory effects of salt stress on gene expressions. Further detailed analysis of the affected pathways documents that melatonin likely achieved its promotional roles in soybean through enhancement of genes involved in cell division, photosynthesis, carbohydrate metabolism, fatty acid biosynthesis and ascorbate metabolism. Our results demonstrate that melatonin has significant potential for improving of soybean growth and seed production. Further study should uncover more about the molecular mechanisms of melatoninM-bM-^@M-^Ys function in soybeans and other crops. Four different treatments were chosen, water, salt, 100M-BM-5M melatonin and salt plus 100M-BM-5M melatonin. The comparison of salt/melatonin-treated sample versus water-treated sample reveals salt or melatonin induced transcriptome changes. The comparison of melatonin plus salt treated sample versus salt-treated sample reveals melatonin induced changes when salt exists.
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Project description:Effects of exogenous melatonin on NaCl stress in Eriobotrya japonica seedlings
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Project description:Melatonin is a well-known agent that plays multiple roles in animals. Its possible function in plants is less clear. In the present study, we tested the effect of melatonin (N-acetyl-5-methoxytryptamine) on soybean growth and development. Both spraying of leaves and seed-coating with melatonin significantly promoted soybean growth as judged from leaf size and plant height. This enhancement was also observed in soybean production and their fatty acid content. Melatonin increased pod number, seed number and seed weight. However, the 100-seed weight was not influenced by melatonin application. Melatonin also improved soybean tolerance to salt and drought stresses. Transcriptome analysis revealed that melatonin up-regulated the expression of many genes and alleviated the inhibitory effects of salt stress on gene expressions. Further detailed analysis of the affected pathways documents that melatonin likely achieved its promotional roles in soybean through enhancement of genes involved in cell division, photosynthesis, carbohydrate metabolism, fatty acid biosynthesis and ascorbate metabolism. Our results demonstrate that melatonin has significant potential for improving of soybean growth and seed production. Further study should uncover more about the molecular mechanisms of melatonin’s function in soybeans and other crops.
2014-08-31 | GSE57960 | GEO
Project description:Background: Melatonin is considered to be a polyfunctional master regulator in animals and higher plants. Exogenous melatonin inhibits plant infection by multiple diseases; however, the role of melatonin in cucumber green mottle mosaic virus (CGMMV) infection remains unknown. Results: In this study, we demonstrated that exogenous melatonin treatment can effectively control CGMMV infection. The greatest control effect was achieved by 3 days of root irrigation at a melatonin concentration of 50 µM. Exogenous melatonin showed preventive and therapeutic effects against CGMMV infection at early stage in tobacco and cucumber. We utilized RNA sequencing technology to compare the expression profiles of mock-inoculated, CGMMV-infected, and melatonin+CGMMV-infected tobacco leaves. Defense-related gene CRISP1 was specifically upregulated in response to melatonin, but not to salicylic acid (SA). Silencing CRISP1 enhanced the preventive effects of melatonin on CGMMV infection, but had no effect on CGMMV infection. We also found exogenous melatonin has preventive effects against another Tobamovirus, pepper mild mottle virus (PMMoV) infection. Conclusions: Together, these results indicate that exogenous melatonin controls two Tobamovirus infection and inhibition of CRISP1 enhanced melatonin control effects against CGMMV infection, which may lead to the development of a novel melatonin treatment for Tobamovirus control.
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Project description:Melatonin is a known modulator of follicle development, it acts through several molecular cascades via binding to its two high-affinity, G-protein coupled receptors MT1 and MT2. Even though it is believed that melatonin can modulate granulosa cell (GC) functions, there is still limited knowledge of how it can act in human GC through MT1 and MT2 and which one is the major receptor implicated in the effects of melatonin on the metabolic processes in the dominant follicle. To better characterize the roles of the MT1 and MT2 receptors on the effects of melatonin on follicular atresia and the regulation of proliferation and differentiation of granulosa cells during the antral stage, human granulosa-like tumor cells (KGN) were treated with specific melatonin receptor agonists and antagonists, and gene expression was analyzed with RNA-seq technology. Following appropriate normalization and the application of a fold change cut-off of 1.5 (FC 1.5, p ≤ 0.05) for each treatment, lists of the principal differentially expressed genes (DEGs) are generated. Analysis of major upstream regulators suggested that the MT1 receptor may be involved in the melatonin antiproliferative effect by reprogramming the metabolism of human GC by activating the PKB signaling pathway. Our data suggest that melatonin may act complementary through both MT1 and MT2 receptors to modulate human GC steroidogenesis, proliferation, and differentiation. However, MT2 receptors may be the ones implicated in transducing the effects of melatonin on the prevention of GC luteinization and follicle atresia at the antral follicular stage through stimulating the PKA pathway.
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Project description:In this study, we implemented RNA sequencing to identify melatonin sensitive transcripts during culture maturation. This work demonstrates that majority of melatonin sensitive genes are growth stage specific. Melatonin caused differential gene expression of 81 transcripts during the exponential growth and 30 during early stationary phase. This indole molecule affects genes related to the biofilm formation, fimbria biogenesis, transcriptional regulators, carbohydrate transport and metabolism, phosphotransferase system (PTS), stress response, metal ion binding and transport. It is likely that differential expression of biofilm and fimbria related genes is responsible for differences in macrocolony area. Additionally, melatonin potentially helps Klebsiella aerogenes in host colonization.
2022-03-23 | GSE172068 | GEO
Project description:The purpose of this study is to investigate how melatonin-influenced promyogenic factor secreted from fibro-adipogenic progenitors (FAPs) regulate muscle regeneration and muscle cell fusion during muscle repair. We highlighted the role of melatonin in regulating crosstalk between muscle stem cells and FAPs during muscle regeneration. Mice that were treated with melatonin exhibited improved muscle regeneration and reduced intramuscular fat deposition, which were associated with enhanced myogenesis, remodeled lipid metabolism and reduced immune cell infiltration. Notably, melatonin did not exert positive effects on cell fusion and myotube formation during differentiation. Interestingly, melatonin repressed fibro-adipogenic progenitor (FAP) adipogenesis in a dose-dependent manner in vitro. Furthermore, melatonin treatment enhanced the pro-myogenic effects of FAPs, which stimulated GDF10 secretion to promote muscle cell fusion and induce myotube hypertrophy.
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Project description:Stroke places a huge burden on society today, and great of studies were devoted for seeking safe and effective therapeutic strategy to improve the prognosis of stroke. Plasma exosome has exhibited its therapeutic potential against ischemia and reperfusion injury via ameliorating inflammation. To enhance therapeutic potential in patients with ischemic injury, we isolated exosomes from melatonin pretreated rat plasma and assessed the neurological protective effect in a rat model of focal cerebral ischemia. Treatment with melatonin enhanced plasma exosome therapeutic effect against ischemia induced inflammatory response and inflammasome mediated pyroptosis. In addition, we confirmed ischemic stroke induced pyroptotic cell death mainly occurred in microglia, while administration of melatonin treated exosome further effectively decreased infract volume and improved function recovery via regulation of TLR-4/NF-κB signaling pathway. Finally, the altered miRNAs profile in melatonin treated plasma exosomes demonstrated the regulatory mechanisms. This study suggests plasma exosome with melatonin pretreatment might be a more effective strategy for patients with ischemic brain injury. Further exploration of key molecules in plasma exosome may devote more therapeutic value for cerebral ischemic injury.
2020-03-27 | GSE147578 | GEO
Project description:Gene/genome dosage balance is an essential evolutionary mechanism for organisms to ensure a normal function, but the underlying causes of dosage-imbalance regulation remains poorly understood. Herein, the serial Brassica hybrids/polyploids with different dosages of A and C subgenomes were synthesized to investigate the effects of genome dosages on gene expressions and interaction using RNA-Seq. The expression changes of A- and C-subgenome genes were in accordance with dosage alterations. Dosage-dependent and -independent genes were grouped according to the correlations between dosage variations and gene expressions. Expression levels of dosage-dependent genes were strongly correlated with dosage changes that mainly contributed to dosage effects, while those of dosage-independent genes gave weak correlations with dosage variations that mostly facilitated dosage compensation. More protein–protein interactions were detected for dosage-independent genes than dosage-dependent ones, as predicted by the dosage balance hypothesis. Dosage-dependent genes more likely impacted the expressions by trans effects, whereas dosage-independent genes preferred to play by cis effects. Furthermore, dosage-dependent genes were mainly associated with the basic biological processes to maintain the stability of the growth and development, while dosage-independent genes were more enriched in the stress response related processes to accelerate adaptation. The present comprehensive analysis of gene expression dependent/independent on dosage alterations in Brassica polyploids provided new insights into gene/genome dosage-imbalance regulation of gene expression.
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