New links between S-acylation and cancer

Area of Science:

• Biochemistry
• Molecular Biology
• Cell Biology

Background:

• S-acylation (palmitoylation) is a crucial post-translational modification involving fatty acid attachment to cysteine residues.
• This process impacts protein stability, membrane association, and intracellular targeting, mediated by the ZDHHC gene family.
• Dysregulation of S-acylation is linked to various diseases, including neurological disorders, diabetes, and cancer.

Purpose of the Study:

• To investigate the role of ZDHHC enzymes in cancer.
• To identify novel tumor suppressor functions within the ZDHHC family.

Main Methods:

• Analysis of ZDHHC gene expression in different cancer types.
• Correlation of ZDHHC expression levels with tumor characteristics.

Main Results:

• The study highlights a novel tumor suppressor role for the ZDHHC family.
• Expression of ZDHHC14 was found to be decreased in testicular germ cell tumors, prostate cancer, and other cancers.
• This downregulation suggests ZDHHC14's involvement in tumorigenesis.

Conclusions:

• The ZDHHC family of S-acylation enzymes possesses significant tumor suppressor functions.
• Decreased ZDHHC14 expression is a potential biomarker and therapeutic target in various cancers.
• These findings underscore the emerging clinical relevance of S-acylation enzymes in oncology.