TRP Channels in Skin Cancer: Focus on Malignant Melanoma

Area of Science:

• Oncology
• Dermatology
• Molecular Biology
• Ion Channel Physiology

Background:

• Cutaneous malignant melanoma is an aggressive skin cancer with high metastatic potential.
• Transient receptor potential (TRP) channels regulate calcium homeostasis and cellular stress responses.
• TRP channels are increasingly recognized for their role in melanoma pathogenesis.

Purpose of the Study:

• To review the expression and function of key TRP channel subfamilies in melanocytes and melanoma.
• To discuss the dysregulation of TRP channels in melanoma progression.
• To evaluate TRP channels as potential diagnostic biomarkers and therapeutic targets for melanoma.

Main Methods:

• Literature review of TRP channel expression and function in melanoma.
• Analysis of TRP channel involvement in melanoma cell proliferation, apoptosis, and metastasis.
• Evaluation of current pharmacological strategies and research challenges for TRP channel-targeted therapies.

Main Results:

• Specific TRP channels (TRPM1, TRPM7, TRPM8, TRPV1, TRPV4, TRPM2) are expressed in melanocytes and dysregulated in melanoma.
• TRPM1 acts as a tumor suppressor, while TRPM7, TRPV1, and TRPV4 have context-dependent roles.
• TRPM2 supports melanoma cell survival under oxidative and metabolic stress.

Conclusions:

• TRP channel function in melanoma is complex and isoform-specific.
• TRP channels represent promising targets for novel melanoma diagnostics and therapeutics.
• Personalized therapeutic strategies targeting specific TRP channel isoforms are needed for effective melanoma treatment.