The cytoglobin-dependent transcriptome in melanoma indicates a protective function associated with oxidative stress, inflammation and cancer-associated pathways

  • 0Section of Medicine, Department of Endocrinology, Metabolism and Cardiovascular System, University of Fribourg, Fribourg, Switzerland.

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Summary

This summary is machine-generated.

Cytoglobin (CYGB) overexpression in melanoma cells impacts cancer pathways and inflammation. CYGB may protect against oxidative stress, inflammation, and DNA damage, suggesting therapeutic potential.

Area Of Science

  • Molecular biology
  • Cancer research
  • Cellular signaling

Background

  • Cytoglobin (CYGB) is an oxygen-binding protein.
  • Melanoma is a significant cancer with overactivated signaling pathways.
  • The role of CYGB in melanoma is not fully understood.

Purpose Of The Study

  • To investigate the functional role of CYGB in A375 melanoma cells.
  • To explore the CYGB-dependent transcriptome using RNA-sequencing.
  • To identify potential therapeutic applications of CYGB in melanoma.

Main Methods

  • Generation of stable CYGB overexpressing A375 melanoma cells.
  • Comprehensive RNA-sequencing to analyze gene expression changes.
  • Bioinformatic analysis of dysregulated pathways.

Main Results

  • CYGB overexpression dysregulated cancer-associated genes and signaling pathways (mTORC1, AKT/mTOR).
  • Epithelial-mesenchymal transition (EMT) was downregulated.
  • Anti-inflammatory effects were observed through downregulation of inflammasome genes (NLRP1, CASP1, CD74).
  • CYGB involvement in redox homeostasis, DNA repair, and NOX4 regulation was indicated.
  • Opposite expression patterns were observed in CYGB-depleted cells.

Conclusions

  • CYGB plays diverse roles in melanoma cells, influencing cancer, inflammation, and oxidative stress pathways.
  • CYGB exhibits potential protective functions.
  • CYGB is a promising candidate for further research and therapeutic targeting in melanoma.

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