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Updated: Jul 24, 2026

A Multiplexed Luciferase-based Screening Platform for Interrogating Cancer-associated Signal Transduction in Cultured Cells
Published on: July 3, 2013
Signal transduction: multiple pathways, multiple options for therapy
1Ludwig Institute for Cancer Research, Biomedical Center, Uppsala, Sweden. C-H.Heldin@LICR.uu.se
Abstract:
Many aspects of cell behavior, such as growth, motility, differentiation, and apoptosis, are regulated by signals cells receive from their environment. Such signals are important, e.g., during embryonal development, wound healing, hematopoiesis, and in the regulation of the immune response, and may come from interactions with other cells or components of the extracellular matrix, or from binding of soluble signaling molecules to specific receptors at the cell membrane. Hereby different signaling pathways are initiated inside the cell. Perturbations of such signaling pathways are seen in several types of diseases, e.g., cancer, inflammatory conditions, and atherosclerosis. Thus, antagonists of several signaling pathways have potential clinical utility. Several such compounds are currently used or are in clinical trials; others are currently being analyzed in animal models.
Insights
Cellular processes like growth and differentiation are controlled by environmental signals. Disruptions in these signaling pathways are linked to diseases, making pathway antagonists potential therapeutic agents.
Area of Science:
- Cellular Biology
- Molecular Signaling
- Disease Pathogenesis
Background:
- Cell behavior (growth, motility, differentiation, apoptosis) is regulated by environmental signals.
- These signals are crucial for embryonal development, wound healing, hematopoiesis, and immune response.
- Signals originate from cell-cell interactions, extracellular matrix components, or soluble molecules binding to cell membrane receptors.
Purpose of the Study:
- To explore the role of environmental signals in regulating cell behavior.
- To investigate the link between signaling pathway perturbations and diseases.
- To highlight the clinical potential of signaling pathway antagonists.
Main Methods:
- Analysis of cell signaling pathways.
- Review of disease mechanisms involving signaling perturbations.
- Examination of existing and emerging therapeutic antagonists.
Main Results:
- Environmental signals initiate diverse intracellular signaling pathways.
- Dysregulation of these pathways is implicated in cancer, inflammation, and atherosclerosis.
- Numerous signaling pathway antagonists are in clinical use or trials, with others under investigation.
Conclusions:
- Cellular signaling is fundamental to normal physiological processes.
- Aberrant signaling pathways are key drivers in various pathologies.
- Targeting these pathways with antagonists offers significant therapeutic promise.
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