Related Experiment Video
Updated: Sep 23, 2025

06:58
Synthesis of an In vivo MRI-detectable Apoptosis Probe
Published on: July 31, 2012
9.3K
Magnetic fields and apoptosis: a possible mechanism
Santi Tofani1,2
1Department of Medical Physics, Ivrea Hospital - ASL Torino Nord-Ovest TO4, Ivrea Torino, Italy.
Electromagnetic Biology and Medicine
|May 11, 2022
Summary
Magnetic fields (MFs) show promise in cancer therapy by influencing tumor cell apoptosis. This effect is linked to increased reactive oxygen species (ROS) via electron spin changes, offering a novel therapeutic approach.
Area of Science:
- Biophysics
- Quantum Biology
- Cancer Research
Background:
- Electromagnetic fields (EMF), specifically magnetic fields (MFs), are increasingly explored for therapeutic applications.
- The antitumor effects of MFs, particularly their impact on apoptosis (programmed cell death) in tumor cells, are gaining significant research interest.
- Apoptosis is crucial for maintaining cellular genetic stability and plays a vital role in cancer development.
Purpose of the Study:
- To describe a potential biophysical mechanism for the antitumor effects of magnetic fields.
- To explore the influence of MFs on apoptosis through modulation of reactive oxygen species (ROS).
- To correlate MF exposure characteristics with observed effects on apoptosis and ROS concentration.
Main Methods:
- Analysis based on quantum physics principles applied to biological systems, focusing on oxygen and radical roles in cancer.
- Investigating the effect of MFs on electron spin to understand ROS concentration changes.
- Literature review to correlate MF exposure parameters with apoptosis and ROS levels.
Main Results:
- A proposed biophysical mechanism suggests MFs influence apoptosis by altering electron spin.
- This alteration is hypothesized to increase reactive oxygen species (ROS) concentration within tumor cells.
- Literature supports a correlation between MF exposure characteristics and their impact on apoptosis and ROS.
Conclusions:
- MFs may offer a novel cancer therapy by modulating the ROS balance in tumor cells.
- The proposed mechanism involving electron spin and ROS provides a basis for understanding MF antitumor effects.
- Further research correlating MF exposure and cellular responses is warranted to validate this therapeutic strategy.
Related Concept Videos
The Intrinsic Apoptotic Pathway
6.9K
Internal cellular stress, such as cellular injury or hypoxia, triggers intrinsic apoptosis. The B-cell lymphoma 2 (Bcl-2) family of proteins are the primary regulators of the intrinsic apoptotic pathway. For example, during DNA damage, checkpoint proteins, such as Ataxia Telangiectasia Mutated (ATM protein) and Checkpoints Factor-2 (Chk2) proteins, are activated. These proteins phosphorylate p53 which further activates pro-apoptotic proteins, such as Bax, Bak, PUMA, and Noxa, and inhibits...
6.9K
Apoptosis
12.1K
Apoptosis is a combination of two Greek words, 'apo' and 'ptosis,' meaning separation and falling off, respectively. Hippocrates used this word to describe gangrene, which was caused due to bandaging of fractured bones. Apoptosis was distinguished from necrosis in 1970 when John Kerr reported observations of morphological changes occurring during apoptosis. During one experiment, he observed that the disruption of blood supply to the liver tissue resulted in a size...
12.1K
The Extrinsic Apoptotic Pathway
6.7K
The extrinsic apoptotic pathway is initiated when extracellular death-inducing signals, such as specific cytokines, activate the death receptors expressed on the cell surface. The immune cells involved in this pathway are natural killer cells (NK cells) and cytotoxic T-lymphocytes. NK cells are critical in innate immune response, while cytotoxic T-lymphocytes are associated with adaptive immune response. These cells recognize specific receptors expressed on the altered cells and activate...
6.7K
Autophagic Cell Death
3.6K
Christian de Duve discovered “autophagy,” a process in which cellular components are engulfed by membrane-bound organelles called autophagosomes. The autophagosomes then fuse with lysosomes to digest the enclosed contents. Autophagy is generally activated in cells to prevent cell death. However, cell death is triggered when the damage is beyond repair.
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
3.6K
Overview of Cell Death
7.9K
Cell death is an essential process where the body gets rid of old or damaged cells. Cell proliferation and death need to be balanced, as an imbalance between the two may lead to cancer or autoimmune diseases.
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the...
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the...
7.9K
Phagocytosis of Apoptotic Cells
4.0K
Cells undergoing apoptosis form apoptotic bodies that must be removed immediately to prevent inflammation, autoimmune diseases, and necrosis. Phagocytosis is carried out by professional phagocytes such as macrophages or immature dendritic cells. Non-professional phagocytes such as epithelial cells and fibroblasts also take part in this process; however, they are not as effective as professional phagocytes.
Normal cells contain receptors that prevent them from being recognized...
Normal cells contain receptors that prevent them from being recognized...
4.0K

