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Melatonin Synergizes with Prostaglandin E2 to Enhance YAP-mediated Regenerative Epithelial Cell Emergence During Intestinal Repair

ABSTRACT: Melatonin Synergizes with Prostaglandin E2 to Enhance YAP-mediated Regenerative Epithelial Cell Emergence During Intestinal Repair

PROVIDER: PRJNA1244152 | ENA |

REPOSITORIES: ENA

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	SRR32918431.fastq.gz	Fastqsanger.gz
	SRR32918432.fastq.gz	Fastqsanger.gz

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Melatonin Synergizes with Prostaglandin E2 to Enhance YAP-mediated Regenerative Epithelial Cell Emergence During Intestinal Repair

Project description:In this study, we explore the role of melatonin, abundantly secreted by enteroendocrine cells (EECs) yet overlooked beyond its circadian regulation, in promoting intestinal regeneration. Our findings demonstrate that melatonin can be integrated into the PGE2-EP4-YAP signaling axis to facilitate injury-responsive reprogramming and RSC induction in the intestinal epithelium both in vitro and in vivo. This work uncovers a novel function of melatonin, opening new therapeutic possibilities in regenerative medicine.

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Spleen vs Prostaglandin E2 Treated B cell

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Melatonin enhances plant growth and abiotic stress tolerance in soybean plants

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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Enhanced cardiac reprogramming by Inhibition of cyclooxygenase-2/prostaglandin E2/prostaglandin E receptor 4 signaling

Project description:Direct cardiac reprogramming from fibroblasts can be a promising approach for disease modeling, drug screening, and cardiac regeneration in pediatric and adult patients. However, postnatal and adult fibroblasts are less efficient for reprogramming compared with embryonic fibroblasts, and barriers to cardiac reprogramming associated with aging remain undetermined. In this study, we screened 8,400 chemical compounds, and found that diclofenac sodium (diclofenac), a non-steroidal anti-inflammatory drug, greatly enhanced cardiac reprogramming in combination with Gata4, Mef2c, and Tbx5 (GMT) or GMT plus Hand2. Intriguingly, diclofenac promoted cardiac reprogramming in mouse postnatal and adult tail-tip fibroblasts (TTFs), but not in mouse embryonic fibroblasts (MEFs). Mechanistically, diclofenac enhanced cardiac reprogramming by inhibiting cyclooxygenase-2, prostaglandin E2/prostaglandin E receptor 4, cyclic AMP/protein kinase A, and interleukin 1b pathway, silencing inflammatory and fibroblast programs, which were activated in postnatal and adult TTFs. Thus, anti-inflammation can be a new target for cardiac reprogramming associated with aging.

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Comparative transcriptome analysis of melatonin or auxin treated-Arabidopsis

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