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Similarities and Differences in the Intestinal Actions of Metformin and Imeglimin

ABSTRACT: Similarities and Differences in the Intestinal Actions of Metformin and Imeglimin

PROVIDER: PRJNA1298845 | ENA |

REPOSITORIES: ENA

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Project description:We investigated the intestinal actions of metformin and imeglimin by transcriptomic profiling. Bulk RNA-seq was performed on intestinal tissues from C57BL/6J mice after single or chronic drug administration, and single-cell RNA-seq was conducted on colon samples after chronic treatment.

2025-09-01 | GSE304061 | GEO

Effects of imeglimin and metformin on islets of db/db mice

Project description:To investigate the effects of imeglimin and metformin on islet cells in db/db mice, we isolated pancreatic islets from db/db mice treated with/without imeglimin and metformin or db/+ mice.

2023-06-19 | GSE228726 | GEO

Imeglimin, unlike metformin, does not perturb differentiation of human induced pluripotent stem cells towards pancreatic β-like cells and rather enhances gain in β cell identity gene sets

Project description:Aims/Introduction: Metformin treatment for hyperglycemia in pregnancy (HIP) beneficially improves maternal glucose metabolism and reduces perinatal complications. However, metformin could impede pancreatic β cell development via impaired mitochondrial function. A new anti-diabetes drug imeglimin, developed based on metformin, improves mitochondrial function. Here we examine the effect of imeglimin on β cell differentiation using human induced pluripotent stem cell (iPSC)-derived pancreatic islet-like spheroid (SC-islet) models. Materials and Methods: Human iPSCs are differentiated into SC-islets by three-dimensional culture with and without imeglimin or metformin. Differentiation efficiencies of SC-islets were analyzed by flow cytometry, immunostaining, quantitative PCR, and insulin secretion assay. RNA sequencing and oxygen consumption rate were obtained for further characterization of SC-islets. SC-islets were cultured with proinflammatory cytokines, in part mimicking the uterus environment in HIP. Results: Metformin perturbed SC-islet differentiation while imeglimin did not alter it. Furthermore, imeglimin enhanced the gene expressions of β cell lineage markers. Maintenance of mitochondrial function and optimization of TGF-β and Wnt signaling were considered potential mechanisms for augmented β cell maturation by imeglimin. In the presence of proinflammatory cytokines, imeglimin ameliorated β cell differentiation impaired by cytokines and metformin. Conclusions: Imeglimin does not perturb differentiation of SC-islet cells and rather enhances gain in β cell identity gene sets in contrast to metformin. This may lead to the improvement of in vitro β cell differentiation protocols.

2025-01-20 | GSE242776 | GEO

Effect of imeglimin on mitochondrial function, AMPK activity and gene expression in hepatocytes

Project description:To further understand the pharmacological properties of imeglimin, we here investigated the effects of imeglimin in hepatocytes and compared those with metformin. We investigated the genes expression in the cultured human hepatoma HepG2 cells by RNA-seq. HepG2 cells were stimulated with 0.25 mM, 3 mM metformin or imeglimin, or 1 mM AICAR, or vehicle alone for 12 h.

2022-08-01 | GSE208245 | GEO

Effects of imeglimin and metformin on islets of db/db mice

Project description:Effects of imeglimin and metformin on islets of db/db mice

| PRJNA951370 | ENA

Imeglimin Improves Systemic Metabolism by Targeting Brown Adipose Tissue and Gut Microbiota in Obese Model Mice

Project description:Imeglimin is a recently developed anti-diabetic drug that could concurrently promote insulin secretion and insulin sensitivity, while its mechanisms of action are not fully understood. Here we show that imeglimin administration could protect mice from high fat diet-induced weight gain with enhanced energy expenditure and attenuated whitening of brown adipose tissue. Imeglimin administration led to significant alteration of gut microbiota, which included an increase of Akkermansia genus, with attenuation of obesity-associated gut pathologies. Ablation of microbiota by antibiotic treatment partially abrogated the insulin sensitizing effects of imeglimin, while not affecting its actions on body weight gain or brown adipose tissue. Collectively, our results characterize imeglimin as a potential agent promoting energy expenditure and gut integrity, providing new insights into its mechanisms of action.

2024-02-16 | GSE255432 | GEO

Investigation of placental gene expression in obese women exposed to Metformin during pregnancy

Project description:Maternal obesity in pregnancy is associated with increased birth-weight, obesity and premature mortality in adult offspring. The Effect of Metformin on Maternal and Fetal Outcomes in Pregnant Obese Women (EMPOWaR) trial was a randomised, double-blind, placebo-controlled trial carried out to determine whether exposure to Metformin would affect the offspring birth-weight centile. Obese women exposed to Metformin had increased insulin sensitivity at 36 weeks of pregnancy, but there were no differences in offspring birthweight. We obtained the placentas from these women to determine whether there were differences in expression of genes regulating fetal growth and metabolism. In a complementary study we investigated DNA methylation in the same samples.

2019-01-31 | E-MTAB-6418 | biostudies-arrayexpress

Investigation of placental DNA methylation in obese women exposed to Metformin during pregnancy

Project description:Maternal obesity in pregnancy is associated with increased birth-weight, obesity and premature mortality in adult offspring. The Effect of Metformin on Maternal and Fetal Outcomes in Pregnant Obese Women (EMPOWaR) trial was a randomised, double-blind, placebo-controlled trial carried out to determine whether exposure to Metformin would affect the offspring birth-weight centile. Obese women exposed to Metformin had increased insulin sensitivity at 36 weeks of pregnancy, but there were no differences in offspring birthweight. We obtained the placentas from these women to determine whether there were differences in DNA methylation of genes regulating fetal growth and metabolism. In a related study we investigated the gene expression in the same samples.

2018-11-01 | E-MTAB-6421 | biostudies-arrayexpress

Differences and similarities between human and chimpanzee neural progenitors during cerebral cortex development

Project description:Differences and similarities between human and chimpanzee neural progenitors during cerebral cortex development

| PRJNA340888 | ENA

Tissue tropism and host response: similarities and differences between enteric and respiratory enteroviruses

Project description:Tissue tropism and host response: similarities and differences between enteric and respiratory enteroviruses

| PRJNA764754 | ENA