Related Experiment Video
Updated: Feb 11, 2026

Studying TGF-β Signaling and TGF-β-induced Epithelial-to-mesenchymal Transition in Breast Cancer and Normal Cells
Published on: October 27, 2020
TGF-β Inhibition and Immunotherapy: Checkmate
Karuna Ganesh1, Joan Massagué2
1Cancer Biology and Genetics Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA; Department of Medicine, Memorial Hospital, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA.
Stromal TGF-β signaling causes immune exclusion, hindering cancer immunotherapy. Combining TGF-β inhibition with immunotherapy overcomes resistance, leading to complete responses in preclinical models.
Area of Science:
- Oncology
- Immunology
- Cancer Research
Background:
- Immune checkpoint therapy offers durable remissions for some cancers.
- Tumor resistance to immunotherapy remains a significant clinical challenge.
Purpose of the Study:
- To investigate the role of stromal TGF-β signaling in immune exclusion.
- To evaluate combination therapy of TGF-β inhibition and immunotherapy.
Main Methods:
- Analysis of stromal TGF-β signaling pathways.
- Preclinical studies combining TGF-β inhibitors with immune checkpoint agents.
Main Results:
- Stromal TGF-β signaling was identified as a key mechanism of immune exclusion.
- Combination therapy resulted in complete responses in preclinical cancer models.
Conclusions:
- Targeting stromal TGF-β signaling can overcome immunotherapy resistance.
- Combination of TGF-β inhibition and immunotherapy shows promise for treating resistant tumors.
Related Concept Videos
TGF - β Signaling Pathway
Tumor Immunotherapy
Feedback Inhibition
Enzyme Inhibition
Inhibition of Cdk Activity
Adrenergic Receptors: β Subtype
Isoprenaline > Adrenaline > Noradrenaline
Neurotransmitter binding to these receptors causes activation of adenylyl cyclase resulting in increased concentrations of cAMP and modulation of calcium ion channels within the cell. They are further classified into β1, β2, and β3 subtypes.
β1-adrenoceptors: β1-adrenoceptors...

