Transcription profile of infiltrating monocytes derived from 3D liver cancer cell line spheroids
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ABSTRACT:
PROVIDER: PRJNA894150 | ENA |
REPOSITORIES: ENA
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2023-10-25 | GSE216515 | GEO
Project description:Liver-derived cells from the surface and cave-adapted morphs of Astyanax mexicanus are valuable in vitro resources to explore the metabolism of these unique fish. However, 2D cultures have not yet fully mimicked the metabolic profile of the fish liver. Also, 3D culturing can modulate the transcriptomic profile of cells when compared to its 2D counterpart. Hence, to widen the range of metabolic pathways that can be depicted in vitro, we cultured the liver-derived SFL and CFL into 3D spheroids. We 3D cultured the cells at various cell seeding densities for 4 weeks and characterized the resultant transcriptome. The 3D cultured SFL and CFL cells indeed depicted a wider range of metabolic pathways as compared to the 2D culture. Further, the 3D spheroids also showed surface and cave-specific responses, making the spheroids an exciting system to study cave adaptation. Taken together, SFL and CFL spheroids prove to be a promising model for overall understanding of altered metabolism in Astyanax mexicanus.
2023-06-13 | GSE234212 | GEO
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Project description:HT-29 and HCT-116 cells were barcoded using the CloneTracker lentiviral barcode library and then dabrafenib and irinotecan resistant derivatives of these cell lines were established, respectively.10 million barcoded HT-29 and HCT-116 cells were seeded equally onto poly-HEMA coated 4xT75 flask (DMSO Control, Replica A, B, C for each drug). After seeding, cells were allowed to form spheroids and barcoded 3D-HT-29 spheroids were treated with dabrafenib at increasing doses starting from IC50/10 dose until IC50/2 dose with monthly doubling of the dosing (16 weeks), and barcoded 3D-HCT-116 cells were treated with irinotecan at increasing doses starting from IC50/4 dose until IC50 dose with weekly doubling of the dosing (4 weeks). Following the end points of treatment for each cell line, DNA was isolated from harvested cell lines and barcode sequencing and whole exome sequencing were carried out.
2023-09-01 | E-MTAB-13216 | biostudies-arrayexpress
Project description:3D spheroids of primary human hepatocytes (3D PHH) keep a differentiated phenotype with retained metabolic function and proteome fingerprint for weeks in culture. As a result, 3D PHH are gaining ground as a model for mechanistic studies on liver homeostasis and in vitro to in vivo (IVIV)predictions in drug discovery. However, the function of drug-transporting proteins has not yet been studied in the 3D PHH. Here we used the organic cation transporter 1 (OCT1/SLC22A1) as a model to explore both transporter kinetics and long-term regulation of transporter activity via different pathways. The 3D PHH were cultured for one week and then used for short- and long-term studies. The OCT1 transporter kinetics was assessed using the fluorescent model substrate 4-(4-(dimethylamino)styryl)-N-methylpyridinium (ASP+) and known OCT1 inhibitors in individual 3D PHH. For long-term studies, the 3D PHH were exposed to xenobiotics for seven days, after which protein expression and OCT1 function were assessed. Global proteomics analysis was used to track prototypical changes of other regulated proteins. ASP+ kinetics indicated a fully functional OCT1 transporter with a Km value of 14.14±3.97 using three donors. Established OCT1 inhibitors reduced the uptake of ASP+ in the 3D PHH spheroids, resulting in 40-60% of the maximal uptake rate of ASP+. The long-term exposure studies showed that OCT1 is relatively stable to the activation of a broad range of pathways known to regulate ADME proteins. Importantly, while expression levels of other ADME proteins, such as CYP3A4 and MDR1 were regulated as expected, OCT1 levels remained stable. In conclusion, our results show for the first time that 3D PHH spheroids express fully active OCT1 and that transporter kinetics can be studied in 3D PHH. We also confirm that OCT1 remains stable and functional during activation of various pathways that alter the expression and function of other ADME proteins.
2024-08-10 | PXD045733 | Pride
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Project description:Background: Mesenchymal stem cells (MSC) derived from human embryonic stem cells (hESC), named EMSC here, have been found efficacious in animal models of autoimmune, inflammatory, and degenerative diseases. However, all the EMSC derivation methods reported so far are in two-dimensional (2D) culture systems, which are of low efficiency and high cost, difficult for large-scale production for research and therapeutic applications. Methods: We established a 3D system that allowed differentiation of hESC spheroids into MSC spheroids (EMSCSp) following treatment with BMP4 and A8301 for 5 days and subsequent culture in a MSC medium for about 15 days. All the procedures were conducted in one vessel without intermediate passaging. Results: EMSCsp cells were efficiently derived from hESC spheroids within 20 days in the 3D culture system, which could be scaled up from a small culture vessel to a 100-ml plastic bag. EMSCSp could further differentiate into spheroids of chondrocytes or adipocytes. EMSCSp could also reattach and form a 2D-monolayer culture (EMSCSp-ML). Compared to EMSC differentiated in monolayer, EMSCSp-ML had faster proliferation and higher yield, and developed less apoptosis and slower senescence. EMSCSp-ML also retained immune-modulatory effects in vitro and therapeutic effects on two mouse models of colitis. Conclusions: The 3D method provides a simple and economic system for large-scale production of EMSC as an unlimited source of the therapeutically promising cells.
2018-07-03 | GSE93218 | GEO
Project description:Human bone marrow mesenchymal stromal cells (MSCs) are conventionally cultured as adherent monolayers on tissue culture plastic. MSCs can also be cultured as 3D cell aggregates (spheroids). Optimised 3D conditions (60,000 MSCs cultured as a spheroid for 5 days) inhibited MSC proliferation and induced cell shrinkage in the absence of cell death. Primary human MSCs isolated from 2 donors were cultured under both monolayer (2D MSCs) and optimised 3D (3D MSCs) conditions. High quality RNA was isolated from all samples, and global gene expression analysis was performed in duplicate (using Agilent SurePrint G3 Human Gene Expression 8x60K v2 Microarrays) to identify gene expression changes in 3D compared to 2D MSC cultures.
2015-09-30 | E-MTAB-3795 | biostudies-arrayexpress
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