Molecular relation between biological stress and carcinogenesis

Area of Science:

• Molecular Biology
• Oncology
• Psychoneuroimmunology

Background:

• Cellular responses to stress are critical in normal physiology and disease.
• Cancer cells exhibit distinct reactions to stressors compared to normal cells.
• Stressors can both contribute to cancer development and arise as a consequence of cancer.

Purpose of the Study:

• To provide an overview of various stress types: DNA replication stress, oxidative stress, and psychological stress.
• To delineate the differences in cellular responses to stressors between normal and cancer cells.
• To explore the dual role of cancer as both a cause and outcome of stress, including cancer-related post-traumatic stress disorder.

Main Methods:

• Review of molecular mechanisms underlying DNA replication stress, oxidative stress, and psychological stress.
• Comparative analysis of normal versus cancer cell responses to stressors.
• Examination of the interplay between cancer, stress, and psychological well-being.

Main Results:

• Identified specific molecular mechanisms by which stressors contribute to cancer development.
• Highlighted critical dissimilarities in stress response pathways between normal and malignant cells.
• Established the bidirectional relationship between cancer and psychological stress, including PTSD.

Conclusions:

• Differences in stress response pathways offer potential targets for novel anticancer therapies.
• A multidimensional oncological approach integrating psychiatric support with conventional treatment is proposed.
• Addressing psychological stress is crucial in comprehensive cancer care.