VitK3,menadione / TumAuto Cancer Research Results

VitK3, VitK3,menadione: Click to Expand ⟱

Features:

Menadione (2-methyl-1,4-naphthoquinone, also termed vitamin K3)
Menadione-induced ROS generation is concentration-dependent and high concentrations trigger cell death.
Clinical trials conducted on patients with prostate cancer showed that ascorbic acid-menadione produced an immediate drop in tumor cell numbers through a mechanism named autoschizis.
Menadione (Vitamin K3) is a synthetic naphthoquinone compound. It is not used as a nutritional vitamin supplement in humans due to toxicity risk (particularly hemolysis and hepatotoxicity). Historically used in animal feed.

Mechanistically, menadione functions primarily as a redox-active quinone, capable of:
-Undergoing redox cycling
-Generating reactive oxygen species (ROS)
-Inducing oxidative stress
-Interacting with glutathione (GSH) systems
-Modulating mitochondrial function

It has been investigated in oncology research largely due to its pro-oxidant cytotoxic properties, not classical vitamin K–dependent clotting roles.

Rank	Pathway / Axis	Cancer / Tumor Context	Normal Tissue Context	TSF	Primary Effect	Notes / Interpretation
1	Redox cycling (quinone-mediated ROS generation)	ROS ↑; oxidative stress ↑; apoptosis ↑ (dose-dependent)	Oxidative injury risk ↑ (hemolysis, hepatotoxicity)	P, R	Primary cytotoxic mechanism	Menadione undergoes one-electron redox cycling, generating superoxide and hydrogen peroxide; not selective for tumor cells.
2	Glutathione (GSH) depletion	GSH ↓; redox buffering capacity ↓	Red cell vulnerability ↑	P, R	Redox destabilization	Conjugation and oxidative cycling consume GSH, amplifying oxidative stress.
3	Mitochondrial dysfunction	ΔΨm ↓; ATP ↓; apoptosis signaling ↑	Energy stress in normal cells possible	R, G	Mitochondria-mediated apoptosis	ROS and redox imbalance disrupt mitochondrial membrane potential.
4	DNA damage (oxidative)	DNA strand breaks ↑ (reported)	Genotoxic risk ↑	R, G	Genome instability	Often secondary to ROS accumulation rather than direct DNA intercalation.
5	Synergy with ascorbate (Vitamin C)	Redox cycling ↑; cytotoxicity ↑ (reported in vitro)	Systemic oxidative injury risk ↑	P, R	Redox amplification	Menadione can undergo redox cycling with ascorbate, increasing ROS production; largely preclinical data.
6	Topoisomerase interference (reported)	Topo inhibition (context-dependent)	↔	R	Secondary mechanism	Some studies report interference with topoisomerase activity, but this is not the dominant mechanism.
7	Hemolysis risk (G6PD vulnerability)	—	Red blood cell destruction risk ↑	R	Major toxicity constraint	Menadione can cause hemolytic anemia, especially in G6PD deficiency.
8	Hepatotoxicity	—	Liver injury risk ↑	G	Clinical toxicity constraint	Historical reason for discontinuation as a human supplement.
9	Vitamin K–dependent clotting pathway	Minimal physiologic role in humans	Not equivalent to K1/K2	—	Classification clarification	Menadione is a synthetic precursor; does not function identically to phylloquinone (K1) or menaquinones (K2).

Time-Scale Flag (TSF): P / R / G

P: 0–30 min (rapid redox cycling and ROS generation)
R: 30 min–3 hr (mitochondrial dysfunction, DNA damage signaling)
G: >3 hr (apoptosis, tissue-level toxicity outcomes)

TumAuto, Tumor autophagy: Click to Expand ⟱

Source: HalifaxProj(activate)

Type:

Autophagy genes, including Atg3, Atg5, Atg6, Atg7, Atg10, Atg12, and Atg17.
Tumor autophagy refers to the process by which cancer cells degrade and recycle cellular components through autophagy, a cellular mechanism that helps maintain homeostasis and respond to stress. Autophagy can have dual roles in cancer, acting as both a tumor suppressor and a promoter, depending on the context.
Authophagy is the process used by cancer cells to “self-eat” to survive. Authophagy can be both good and bad. If authophagy is prolonged this will become a lethal process to cancer. On the other hand, for a short while (e.g. during chemotheraphy, radiotheraphy, etc.) authophagy is used by cancer cells to survive.
For example, Chloroquine is a blocker of autophagy and has been used in a lab setting to dramatically enhance tumor response to radiotherapy, chemotherapy.

Scientific Papers found: Click to Expand⟱

1837-

VitK3,

VitC,

Alpha-Tocopheryl Succinate Inhibits Autophagic Survival of Prostate Cancer Cells Induced by Vitamin K3 and Ascorbate to Trigger Cell Death

in-vivo,

Pca,

mice

eff↑, ROS↑, TumAuto↑,

Showing Research Papers: 1 to 1 of 1

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 1

Pathway results for Effect on Cancer / Diseased Cells:

Redox & Oxidative Stress ⓘ

ROS↑, 1,

Autophagy & Lysosomes ⓘ

TumAuto↑, 1,

Drug Metabolism & Resistance ⓘ

eff↑, 1,
Total Targets: 3

Pathway results for Effect on Normal Cells:

Total Targets: 0

Scientific Paper Hit Count for: TumAuto, Tumor autophagy

Query results interpretion may depend on "conditions" listed in the research papers.
Such Conditions may include : 
  -low or high Dose
  -format for product, such as nano of lipid formations
  -different cell line effects
  -synergies with other products 
  -if effect was for normal or cancerous cells