Related Experiment Video
Updated: Jun 22, 2026

Analysis of Lymph Node Volume by Ultra-High-Frequency Ultrasound Imaging in the Braf/Pten Genetically Engineered Mouse Model of Melanoma
Published on: September 8, 2021
BRAF signaling and targeted therapies in melanoma
Nathalie Dhomen1, Richard Marais
1Section of Cell and Molecular Biology, Institute of Cancer Research, 237 Fulham Road, London SW3 6JB, UK.
Abstract:
The RAS/RAF/MEK/ERK signaling pathway has emerged as a major player in the induction and maintenance of melanoma, particularly the protein kinase BRAF, mutated in approximately 44% of melanoma cases. The availability of new drugs affecting the components of this pathway and pathways that may cooperate with MAPK signaling, means that targeted therapies are fast becoming a real option in the clinical management of melanoma. The authors discuss what they learned from clinical trials using first- and second-generation inhibitors to this pathway.
Insights
Targeted therapies for melanoma are advancing, focusing on the RAS/RAF/MEK/ERK pathway. Clinical trials with BRAF inhibitors show promise for melanoma treatment.
Area of Science:
- Oncology
- Molecular Biology
- Dermatology
Background:
- The RAS/RAF/MEK/ERK pathway is crucial in melanoma development.
- BRAF mutations occur in about 44% of melanoma cases, making it a key therapeutic target.
- Targeted therapies are revolutionizing melanoma management.
Purpose of the Study:
- To review the clinical trial data for first- and second-generation inhibitors of the RAS/RAF/MEK/ERK pathway.
- To discuss the implications of these targeted therapies in melanoma treatment.
Main Methods:
- Analysis of clinical trial outcomes for BRAF and MEK inhibitors.
- Review of scientific literature on MAPK signaling in melanoma.
Main Results:
- First- and second-generation inhibitors have demonstrated efficacy in clinical trials.
- Understanding pathway cooperation is key to optimizing targeted therapy.
Conclusions:
- Targeted therapies targeting the RAS/RAF/MEK/ERK pathway, particularly BRAF, are effective in melanoma.
- Continued research into pathway interactions will refine future melanoma treatments.
Related Concept Videos
Targeted Cancer Therapies
There are several types of targeted therapies against specific...
Targeted Cancer Therapies
There are several types of targeted therapies against specific...
Combination Therapies and Personalized Medicine
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
mTOR Signaling and Cancer Progression
The mTOR pathway or the...
mTOR Signaling and Cancer Progression
The mTOR pathway or the...
Mitogens and the Cell Cycle

