Related Experiment Video
Updated: Jul 17, 2026

A Mimic of the Tumor Microenvironment: A Simple Method for Generating Enriched Cell Populations and Investigating Intercellular Communication
Published on: September 20, 2016
Tumour microenvironment: TGFbeta: the molecular Jekyll and Hyde of cancer
1Department of Cancer Biology, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.
Abstract:
Transforming growth factor-beta (TGFbeta) signalling regulates cancer through mechanisms that function either within the tumour cell itself or through host-tumour cell interactions. Studies of tumour-cell-autonomous TGFbeta effects show clearly that TGFbeta signalling has a mechanistic role in tumour suppression and tumour promotion. In addition, factors in the tumour microenvironment, such as fibroblasts, immune cells and the extracellular matrix, influence the ability of TGFbeta to promote or suppress carcinoma progression and metastasis. The complex nature of TGFbeta signalling and crosstalk in the tumour microenvironment presents a unique challenge, and an opportunity to develop therapeutic intervention strategies for targeting cancer.
Insights
Transforming growth factor-beta (TGFbeta) signaling impacts cancer by acting within tumor cells or through host-tumor interactions. Its dual role in suppression and promotion, influenced by the tumor microenvironment, offers therapeutic targets.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Research
Background:
- Transforming growth factor-beta (TGFbeta) signaling is a critical regulator in cancer development.
- TGFbeta exerts dual roles, functioning as both a tumor suppressor and promoter.
- Its activity is modulated by the complex tumor microenvironment.
Purpose of the Study:
- To elucidate the multifaceted roles of TGFbeta signaling in cancer.
- To explore how the tumor microenvironment influences TGFbeta's effects on cancer progression.
- To identify opportunities for therapeutic interventions targeting TGFbeta pathways.
Main Methods:
- Review of existing literature on TGFbeta signaling in cancer.
- Analysis of TGFbeta's autonomous effects within tumor cells.
- Investigation of TGFbeta's interactions with tumor microenvironment components (fibroblasts, immune cells, extracellular matrix).
Main Results:
- TGFbeta signaling has distinct tumor-suppressive and tumor-promoting functions.
- The tumor microenvironment significantly alters TGFbeta's impact on cancer progression and metastasis.
- Complex crosstalk between TGFbeta and microenvironment factors is evident.
Conclusions:
- TGFbeta signaling is a key player in cancer, with context-dependent roles.
- Targeting TGFbeta and its microenvironmental interactions presents a promising therapeutic strategy.
- Understanding these complex mechanisms is crucial for developing effective cancer treatments.
Related Concept Videos
Hedgehog Signaling Pathway
Mitogens and the Cell Cycle
The Tumor Microenvironment
Metastasis
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
TGF - β Signaling Pathway
The Tumor Microenvironment

