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Adaptive Mechanisms in Cancer Cells

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...

Adaptive Mechanisms in Cancer Cells

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...

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Related Experiment Video

Updated: Jun 14, 2026

Quantitative Mass Spectrometric Profiling of Cancer-cell Proteomes Derived From Liquid and Solid Tumors

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Published on: February 27, 2015

Exploring Protein Post-Translational Modifications of Breast Cancer Cells Using a Novel Combinatorial Search

Mariela Vasileva-Slaveva^1,2, Angel Yordanov¹, Gergana Metodieva³

¹Research Institute, Medical University of Pleven, 5800 Pleven, Bulgaria.

International Journal of Molecular Sciences

|September 28, 2024

Summary

Researchers identified novel protein post-translational modifications in breast cancer cells using mass spectrometry. This study offers a valuable resource for exploring new diagnostic and therapeutic targets in cancer biology.

Keywords:

cancer proteomics combinatorial search mass spectrometry post-translational modification of proteins

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Published on: February 7, 2025

Area of Science:

Biochemistry
Proteomics
Cancer Biology

Background:

Post-translational modifications (PTMs) are crucial in cancer cell biology, affecting oncogene and tumor suppressor protein functions.
PTMs like phosphorylation, ubiquitinylation, methylation, and acetylation regulate protein activity and stability.
Mass spectrometry-based proteomics is the primary method for identifying PTMs in biological samples.

Purpose of the Study:

To identify novel protein post-translational modifications in breast cancer cell lines.
To leverage a new combinatorial search algorithm within the MGVB toolset for PTM discovery.
To analyze PTMs in the context of cellular response to interferon gamma treatment.

Main Methods:

Utilized a recently developed combinatorial search algorithm.
Implemented the algorithm within the MGVB toolset.
Analyzed samples from breast cancer cell lines.

Main Results:

Identified novel post-translational modifications in breast cancer cells.
Generated a comprehensive dataset of coupled protein abundance and PTM data.
Observed PTMs in the context of interferon gamma treatment response.

Conclusions:

The findings provide a valuable resource for future research into cancer-related PTMs.
Promising modifications can be validated for potential diagnostic or therapeutic applications.
Investigating the underlying molecular mechanisms may reveal new targets for cancer treatment.