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NP-18 vs. NP-18AR transcriptional profile upon treatment with TK/GCV

ABSTRACT: Pancreatic cancer-derived cells NP-18 underwent four rounds of treatment with increasing doses of an adenoviral vector encoding TK enzyme and GCV. Surviving cells were termed NP-18AR and displayed decreased sensitivity to treatment. This experiment analyses the transcriptomic effect of TK/GCV treatment on NP-18AR as compared to that of NP-18 cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE17137 | GEO | 2010/07/16

SECONDARY ACCESSION(S): PRJNA119817

REPOSITORIES: GEO

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NP-18 vs. NP-18AR transcriptional profile upon treatment with TK/GCV

Project description:Pancreatic cancer-derived cells NP-18 underwent four rounds of treatment with increasing doses of an adenoviral vector encoding TK enzyme and GCV. Surviving cells were termed NP-18AR and displayed decreased sensitivity to treatment. This experiment analyses the transcriptomic effect of TK/GCV treatment on NP-18AR as compared to that of NP-18 cells. Two-condition experiment, where response to treatment in naïve cells (NP-18) was compared to response to treatment in previously treated resistant cells (NP-18AR). Biological replicates: samples from 3 independently generated and independently treated NP-18AR lines (NP-18AR1, NP-18AR2 and NP-18AR3) were hibridized with 3 independently treated samples of NP-18 cells. A total of 9 hybridizations were performed, 2 for NP-18AR1 (including 1 dye-swap), 4 for NP-18AR2 (including 2 dye swaps) and 3 for NP-18AR3 (including 1 dye-swap).

2010-07-16 | E-GEOD-17137 | biostudies-arrayexpress

Homo sapiens

Project description:NP-18 vs. NP-18AR transcriptional profile upon treatment with TK/GCV

| PRJNA119817 | ENA

Quantitative proteomic analysis of gastric cancer cells treated by bifidobacterium infantis-mediated herpes simplex virus-TK/ganciclovir.

Project description:MKN-45 cells were treated with PBS, BF-TK, BF/GCV or BF-TK/GCV for 48 h (GCV, 167 µg/ml), respectively. BF-TK (n = 3), BF/GCV (n = 3) or BF-TK/GCV (n = 3) groups were analyzed in triplicate.

2023-10-24 | PXD042044 | Pride

CEA_SGF:E00008#transgenic_IIb-tk

Project description:To investigate genes that are involved in hematopoietic cells production in vivo, we used microarray technology combined with a transgenic mouse model IIb-tk previously developed in our laboratory (Tropel et al., 1997). In these mice, the promoter region of the murine CD41 (GPIIb) gene was used to target the expression of the thymidine kinase (tk) toxigene in cells specifically expressing the CD41 gene. The strength of the model resides in the fact that the depletion of the entire myelo-megakaryocytic lineage including stem cells/early progenitors by ganciclovir (GCV) administration could be inverted by discontinuing the treatment. A nearly full recovery of mature myelo-megakaryocytic cells is then observed within 3 days. To determine at the molecular level how BM cells could be regenerated in vivo following the eradication of all myeloid progenitors by the GCV treatment, microarray technology was applied. The strategy involved monitoring early transcriptional changes for the first 3-day of BM regeneration.

2010-06-09 | E-GEOD-1290 | biostudies-arrayexpress

CEA_SGF:E00008#transgenic_IIb-tk

2004-04-09 | GSE1290 | GEO

NP-18 vs. NP-18AR transcriptional profile upon treatment with TK/GCV

Project description: Not available

| S-ECPF-GEOD-17137 | biostudies-other

Methylome analysis of 18 wild-type and mutant mouse ES, NP and MEF cells

Project description:The analysis of the 18 methylomes comprise 3 biological replicates of TDG+/- ES cells, 3 biological replicates of TDG-/- ES cells, 3 biological replicates of TDG+/- NP cells, 3 biological replicates of TDG-/- NP cells, 3 biological replicates of TDG+/+ MEF cells and 3 biological replicates of TDG-/- MEF cells.

2011-02-24 | GSE27468 | GEO

Project description:NP Metagenome

| PRJNA724020 | ENA

Comparative analysis of gene expression profiles between the ovary treated with or without Ci-TK

Project description:Tachykinins (TKs) and their receptors have been shown to be expressed in the mammalian ovary. However, the biological roles for ovarian TKs have yet to be verified. Ci-TK and Ci-TK-R, characterized from the protochordate (ascidian), Ciona intestinalis, are prototypes of vertebrate TKs and their receptors. In the present study, we show a novel biological function of TKs as an inducible factor for oocyte growth using C. intestinalis as a model animal. Immunostaining demonstrated the specific expression of Ci-TK-R in test cells residing in oocytes at the vitellogenic stage. DNA microarray and real-time PCR substantiated that Ci-TK induced gene expression of several proteases including cathepsin D, chymotrypsin, and carboxypeptidase B2 and functionally unidentified lectins or glycosidases in the ovary. The enzymatic activities of the above proteases in the ovary were also shown to be enhanced by Ci-TK. Of particular significance is that treatment of Ciona oocytes with Ci-TK resulted in progression of growth from the vitellogenic stage to the post-vitellogenic stage, which was completely blocked by a TK antagonist or protease inhibitors. These results led to the conclusion that Ci-TK enhances growth of the vitellogenic oocytes via up-regulation of gene expression and enzymatic activities of the proteases. Keywords: tachykinins, ovary

2008-08-19 | GSE8821 | GEO

Comparative analysis of gene expression profiles between the ovary treated with or without Ci-TK

2010-05-22 | E-GEOD-8821 | biostudies-arrayexpress

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