Related Experiment Video
Updated: Feb 12, 2026

12:22
Ratiometric Biosensors that Measure Mitochondrial Redox State and ATP in Living Yeast Cells
Published on: July 22, 2013
21.7K
Vitamin K: Redox-modulation, prevention of mitochondrial dysfunction and anticancer effect
Donika Ivanova1, Zhivko Zhelev2, Plamen Getsov3
1Medical Faculty, Trakia University, Stara Zagora, Bulgaria.
Redox Biology
|March 30, 2018
Summary
Vitamin K exhibits anticancer properties by modulating redox balance and inducing oxidative stress in cancer cells. Combined with vitamin C, it enhances mitochondrial function and sensitizes cancer cells to chemotherapy, reducing side effects.
Area of Science:
- Biochemistry
- Oncology
- Cell Biology
Background:
- Vitamin K's redox-modulating properties are explored for anticancer applications.
- Focus on vitamin K's role in calcium homeostasis and reactive oxygen species (ROS) generation.
- Investigates the induction of oxidative stress specifically in cancer cells.
Purpose of the Study:
- To review the redox-modulating properties and anticancer effects of vitamin K.
- To elucidate the dual role of vitamin K in redox cycling and its impact on cellular processes.
- To examine the synergistic potential of vitamin K and vitamin C as an anticancer therapeutic system.
Main Methods:
- Review of existing literature on vitamin K's biochemical mechanisms.
- Analysis of vitamin K's interaction with cellular redox systems and mitochondrial function.
- Examination of data on the combined effects of vitamins K and C in cancer models.
Main Results:
- Vitamin K influences calcium homeostasis and generates both oncogenic and onco-suppressive ROS.
- The vitamin K and C redox system bypasses mitochondrial complexes II and III, restoring cellular respiration.
- This system combats cancer cell hypoxia and promotes cell death, sensitizing cells to chemotherapy.
Conclusions:
- Vitamin K possesses significant redox-modulating and anticancer effects.
- The combination of vitamins K and C offers a promising strategy to enhance chemotherapy efficacy.
- This approach may allow for reduced drug dosages, thereby minimizing adverse side effects in cancer treatment.
Related Concept Videos
Balancing Redox Equations
62.5K
Electrochemistry is the science involved in the interconversion of electrical and chemical reactions. Such reactions are called reduction-oxidation, or redox reactions. These important reactions are defined by changes in oxidation states for one or more reactant elements and include a subset of reactions involving the transfer of electrons between reactant species. Electrochemistry as a field has evolved to yield sufficient insights on the fundamental principles of redox chemistry and multiple...
62.5K
Redox Reactions
58.9K
Oxidation-reduction or redox reactions involve the transfer of electrons from one molecule or atom to another. When an atom gains an electron, another atom must lose an electron, meaning oxidation and reduction must occur together. Since the redox occurs in pairs, the atom that gets oxidized is also called the reducing agent or reductant, and the atom that is reduced is also called the oxidizing agent or oxidant. A straightforward way to remember the definitions of oxidation and reduction is...
58.9K
Redox Reactions
1.1K
Redox reactions are vital biochemical processes that underpin energy metabolism in cells. These reactions involve the transfer of electrons between molecules, occurring in tandem as oxidation and reduction. Oxidation refers to the loss of electrons, while reduction denotes their gain. This coupling ensures the seamless flow of electrons through metabolic pathways. For example, in bacterial metabolism, glucose undergoes oxidation to carbon dioxide, while oxygen is simultaneously reduced to...
1.1K
Vitamins
2.5K
Vitamins, derived from the Latin word for life, are essential organic substances required in small quantities for optimal growth and overall well-being. Unlike other organic nutrients, vitamins don't act as sources of energy or building materials but rather facilitate these nutrients' utilization by the body. Vitamins are predominantly coenzymes, assisting enzymes in specific chemical actions, like the oxidation of glucose for energy involving B vitamins. Most vitamins are not produced...
2.5K
Animal Mitochondrial Genetics
9.3K
Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
9.3K
Export of Mitochondrial and Chloroplast Genes
4.2K
A eukaryotic cell can have up to three different types of genetic systems: nuclear, mitochondrial, and chloroplast. During evolution, organelles have exported many genes to the nucleus; this transfer is still ongoing in some plant species. Approximately 18% of the Arabidopsis thaliana nuclear genome is thought to be derived from the chloroplast’s cyanobacterial ancestor, and around 75% of the yeast genome derived from the mitochondria’s bacterial ancestor. This export has occurred...
4.2K

