Transfected Stable Cell Lines
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Precision reporter, kinase, immune receptor, biosimilar, Cas9, and knockout stable cell lines for diverse applications.
Cat.No. | Product Name | Price |
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CSC-DC004350 | Panoply™ Human DLL3 Knockdown Stable Cell Line | Inquiry |
CSC-RH0031M | Humanized DLL3 Murine Tumor Cell Line | Inquiry |
CSC-RH0056M | Humanized DLL3 Murine Tumor Cell Line | Inquiry |
CSC-RO02449 | Human DLL3 Stable Cell Line - CHO-K1 | Inquiry |
CSC-RO0531 | Human DLL3 Stable Cell Line - HEK293T | Inquiry |
CSC-RO0532 | Monkey DLL3 Stable Cell Line - HEK293T | Inquiry |
CSC-RO0602 | Human DLL3 Stable Cell Line - CT26 | Inquiry |
CSC-SC004350 | Panoply™ Human DLL3 Over-expressing Stable Cell Line | Inquiry |
CSC-SC004350-H1 | Human DLL3 Stable Cell Line - HEK293 | Inquiry |
Cat.No. | Product Name | Price |
---|---|---|
CSC-DC004350 | Panoply™ Human DLL3 Knockdown Stable Cell Line | Inquiry |
CSC-RH0031M | Humanized DLL3 Murine Tumor Cell Line | Inquiry |
CSC-RH0056M | Humanized DLL3 Murine Tumor Cell Line | Inquiry |
CSC-RO02449 | Human DLL3 Stable Cell Line - CHO-K1 | Inquiry |
CSC-RO0531 | Human DLL3 Stable Cell Line - HEK293T | Inquiry |
CSC-RO0532 | Monkey DLL3 Stable Cell Line - HEK293T | Inquiry |
CSC-RO0602 | Human DLL3 Stable Cell Line - CT26 | Inquiry |
CSC-SC004350 | Panoply™ Human DLL3 Over-expressing Stable Cell Line | Inquiry |
CSC-SC004350-H1 | Human DLL3 Stable Cell Line - HEK293 | Inquiry |
Cat.No. | Product Name | Price |
---|---|---|
CSC-DC004350 | Panoply™ Human DLL3 Knockdown Stable Cell Line | Inquiry |
CSC-RH0031M | Humanized DLL3 Murine Tumor Cell Line | Inquiry |
CSC-RH0056M | Humanized DLL3 Murine Tumor Cell Line | Inquiry |
CSC-RO02449 | Human DLL3 Stable Cell Line - CHO-K1 | Inquiry |
CSC-RO0531 | Human DLL3 Stable Cell Line - HEK293T | Inquiry |
CSC-RO0532 | Monkey DLL3 Stable Cell Line - HEK293T | Inquiry |
CSC-RO0602 | Human DLL3 Stable Cell Line - CT26 | Inquiry |
CSC-SC004350 | Panoply™ Human DLL3 Over-expressing Stable Cell Line | Inquiry |
CSC-SC004350-H1 | Human DLL3 Stable Cell Line - HEK293 | Inquiry |
Cat.No. | Product Name | Price |
---|---|---|
CSC-DC004350 | Panoply™ Human DLL3 Knockdown Stable Cell Line | Inquiry |
CSC-RH0031M | Humanized DLL3 Murine Tumor Cell Line | Inquiry |
CSC-RH0056M | Humanized DLL3 Murine Tumor Cell Line | Inquiry |
CSC-RO02449 | Human DLL3 Stable Cell Line - CHO-K1 | Inquiry |
CSC-RO0531 | Human DLL3 Stable Cell Line - HEK293T | Inquiry |
CSC-RO0532 | Monkey DLL3 Stable Cell Line - HEK293T | Inquiry |
CSC-RO0602 | Human DLL3 Stable Cell Line - CT26 | Inquiry |
CSC-SC004350 | Panoply™ Human DLL3 Over-expressing Stable Cell Line | Inquiry |
CSC-SC004350-H1 | Human DLL3 Stable Cell Line - HEK293 | Inquiry |
Cat.No. | Product Name | Price |
---|---|---|
CSC-DC004350 | Panoply™ Human DLL3 Knockdown Stable Cell Line | Inquiry |
CSC-RH0031M | Humanized DLL3 Murine Tumor Cell Line | Inquiry |
CSC-RH0056M | Humanized DLL3 Murine Tumor Cell Line | Inquiry |
CSC-RO02449 | Human DLL3 Stable Cell Line - CHO-K1 | Inquiry |
CSC-RO0531 | Human DLL3 Stable Cell Line - HEK293T | Inquiry |
CSC-RO0532 | Monkey DLL3 Stable Cell Line - HEK293T | Inquiry |
CSC-RO0602 | Human DLL3 Stable Cell Line - CT26 | Inquiry |
CSC-SC004350 | Panoply™ Human DLL3 Over-expressing Stable Cell Line | Inquiry |
CSC-SC004350-H1 | Human DLL3 Stable Cell Line - HEK293 | Inquiry |
The Notch pathway is a highly conserved cell-cell signaling pathway, involved in multiple development processes, including the development of pulmonary neuroendocrine cells. Delta-like ligand 3 (DLL3) is an inhibitory Notch pathway ligand, which is highly upregulated and aberrantly expressed on the cell surface in small-cell lung cancer (SCLC) and other high-grade neuroendocrine tumors. As a key mediator of cellular development, DLL3 inhibits Notch pathway activation by redirecting or retaining the Notch and Notch activating ligand DLL1 to the late endosomal/lysosomal compartments or the Golgi, respectively, and preventing their localization to the cell surface. The cell surface Notch ligand DLL3 has recently become a therapeutic target in cancer, pioneered in pulmonary neuroendocrine tumors.
The Notch pathway plays an important role in regulating neuroendocrine and epithelial cell fate decisions in the developing lung. The mammalian Notch family ligands DLL1, DLL4, JAG1, and JAG2 each activate Notch receptor signaling in trans. However, compared with DLL1 (and the other Notch ligands), DLL3 expressed in cultured cells cannot activate Notch on adjacent cells in vitro and, in vivo DLL3 protein expressed instead of DLL1 in mouse embryos did not activate Notch under physiological conditions and could not compensate for DLL1 loss. DLL1 is located on the cell surface, while DLL3 resides almost exclusively in the Golgi apparatus both in PSM cells and when overexpressed in cultured cells, and was suggested to cis-inhibit Notch1 in the PSM through directing full-length Notch1 to late endosome/lysosomes and preventing its S1 processing. Normal tissue expression of DLL3 is highest in the fetal brain, and DLL3 plays a critical role in somitogenesis in the paraxial mesoderm. Although Notch pathway activation acts as an oncogenic stimulus in some tumor types, Notch activation in neuroendocrine tumors inhibits tumor growth. During normal development, DLL3 inhibits both cis- and trans-acting Notch pathway activation by interacting with Notch and DLL1 and redirecting or retaining them to late endosomal/lysosomal compartments or the Golgi, respectively, thus preventing their localization to the cell surface. In addition, DLL3 is one of several Notch ligands that seem to be direct downstream targets of ASCL1. In conclusion, these observations show that DLL3 might be associated with the neuroendocrine phenotype and contributes to neuroendocrine tumorigenesis.
DLL3 has been identified in tumour-initiating cells isolated from SCLC. DLL3 is specifically expressed on the surface of SCLC cells. In 10 SCLC and 1 large cell neuroendocrine carcinoma (LCNEC) patient-derived xenograft models, DLL3 surface expression correlated with time to tumor progression. It is expressed on the surface of tumour cells in about 85% of patients with SCLC and large-cell neuroendocrine cancer, and cytoplasmic and membranous staining of DLL3 was observed by IHC with a high level of homogeneity across neoplastic cells. In contrast, only a few normal cell types expressed DLL3 (e.g., neurons, pituitary cells, and pancreatic islet cells), and expression of DLL3 was exclusively cytoplasmic. Recent studies have shown that DLL3 is also expressed in other tumor types of neuroendocrine origin, including glioblastoma multiforme, melanoma, small cell bladder cancer, neuroendocrine lung tumors and metastatic castration-resistant prostate cancer. The DLL3 expression profile—high, homogeneous cell surface expression in tumors, versus low, cytoplasmic expression in a subset of normal tissues—has allowed the development of therapeutics that use DLL3 to specifically target SCLC cells. These DLL3-specific agents are now being evaluated in several ongoing clinical researches in SCLC and other neuroendocrine tumors.
Figure 1. DLL3-targeted investigational products utilize distinct mechanisms of action. (Owen D H, et al., 2019)
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