Methylene blue / Cyt‑c Cancer Research Results

M-Blu, Methylene blue: Click to Expand ⟱
Features:
Methylene blue (MB), also known as methylthioninium chloride, is a thiazine dye that can be used as a medication, and can be administered orally, subcutaneously or intravenously.
Mainly used to treat methemoglobinemia by chemically reducing the ferric iron in hemoglobin to ferrous iron
Methylene blue is commonly used in medical practice, especially as a dye in microbiological staining
Antidote in cyanide poisoning: an oxidation-reduction indicator: an antiseptic

Pathways:
- may increases the oxygen consumption of normal tissues having aerobic glycolysis, and of tumors
- generate reactive oxygen species (ROS) upon light activation
-effects on mitochondrial metabolism may contribute to modulation of apoptosis and energy metabolism in cancer cells.
-can affect the generation of reactive oxygen species.
-Historically, it was used in patients with urinary tract infection
-MB has also been used as a tracer for cancer diagnosis and as a photosensitizer for cancer treatment
-shifts redox balance and can promote OXPHOS over glycolysis in some models(reverse Warburg effect)
-can cross BBB and reach brain at concentrations 10 times higher than that in the circulation
-causes shift from shift from glycolysis to oxidative phosphorylation.
-reduces glutathione reductase GSR (an enzyme of glutathione metabolism), context- and concentration-dependent

Rank Pathway / Axis Cancer / Tumor Context Normal Tissue Context TSF Primary Effect Notes / Interpretation
1 Mitochondrial redox cycling (electron shuttle) Redox modulation; NADH oxidation ↑ (context) Mitochondrial efficiency ↑ at low doses (reported) P, R Bioenergetic modulation MB can accept electrons from NADH and donate downstream in the ETC; effects are dose-dependent and context-specific.
2 OXPHOS vs glycolysis balance Shift toward oxidative metabolism reported in some tumor models Improved mitochondrial coupling (low dose) R Metabolic reprogramming Sometimes described as “Warburg reversal,” but more accurately a redox/respiratory modulation that varies by system.
3 ROS modulation (biphasic) ROS ↑ at higher doses; apoptosis ↑ (reported) ROS ↓ or stabilized at lower doses P, R Redox destabilization (dose-dependent) Acts antioxidant at low concentrations; can become pro-oxidant as concentration increases.
4 Mitochondrial membrane potential (ΔΨm) ΔΨm collapse at higher doses (reported) Stabilization possible at low doses R Mitochondrial stress High-dose exposure can impair mitochondrial integrity and promote apoptosis.
5 Intrinsic apoptosis signaling Caspases ↑; apoptosis ↑ (reported in vitro) ↔ G Cell death execution Generally downstream of ROS and mitochondrial perturbation.
6 Photodynamic ROS generation (light-activated) ROS ↑↑ when photoactivated Localized ROS if illuminated P Photoactivated cytotoxicity Distinct mechanism: MB acts as a photosensitizer under light exposure.
7 Glutathione system modulation (GSR / redox enzymes) Redox enzyme modulation reported (model-dependent) Redox buffering alteration possible R Redox regulation Some reports show interaction with glutathione metabolism; not a dominant universal pathway.
8 Blood–brain barrier penetration — CNS accumulation (high tissue levels) P, R Pharmacokinetic property MB crosses the BBB and can accumulate in brain tissue at higher concentrations than plasma.
9 Monoamine oxidase (MAO) inhibition — MAO-A inhibition (clinically relevant) R Off-target pharmacology Important interaction risk with SSRIs/SNRIs (serotonin syndrome).
10 Safety constraints (G6PD deficiency; serotonin syndrome) — Hemolysis risk (G6PD); serotonin toxicity risk — Clinical risk management Well-established safety considerations in clinical use.

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

  • P: 0–30 min (rapid redox cycling; photoactivation)
  • R: 30 min–3 hr (mitochondrial and redox signaling shifts)
  • G: >3 hr (apoptosis/autophagy outcomes)
Cyt‑c, cyt-c Release into Cytosol: Click to Expand ⟱
Source:
Type:
Cytochrome c
** The term "release of cytochrome c" ** an increase in level for the cytosol.
Small hemeprotein found loosely associated with the inner membrane of the mitochondrion where it plays a critical role in cellular respiration. Cytochrome c is highly water-soluble, unlike other cytochromes. It is capable of undergoing oxidation and reduction as its iron atom converts between the ferrous and ferric forms, but does not bind oxygen. It also plays a major role in cell apoptosis.

The term "release of cytochrome c" refers to a critical step in the process of programmed cell death, also known as apoptosis.
In its new location—the cytosol—cytochrome c participates in the apoptotic signaling pathway by helping to form the apoptosome, which activates caspases that execute cell death.
Cytochrome c is a small protein normally located in the mitochondrial intermembrane space. Its primary role in healthy cells is to participate in the electron transport chain, a process that helps produce energy (ATP) through oxidative phosphorylation.
Mitochondrial outer membrane permeability leads to the release of cytochrome c from the mitochondria into the cytosol.
The release of cytochrome c is a pivotal event in apoptosis where cytochrome c moves from the mitochondria to the cytosol, initiating a chain reaction that leads to programmed cell death.

On the one hand, cytochrome c can promote cancer cell survival and proliferation by regulating the activity of various signaling pathways, such as the PI3K/AKT pathway. This can lead to increased cell growth and resistance to apoptosis, which are hallmarks of cancer.
On the other hand, cytochrome c can also induce apoptosis in cancer cells by interacting with other proteins, such as Apaf-1 and caspase-9. This can lead to the activation of the intrinsic apoptotic pathway, which can result in the death of cancer cells.
Overexpressed in Breast, Lung, Colon, and Prostrate.
Underexpressed in Ovarian, and Pancreatic.
Scientific Papers found: Click to Expand⟱
2545- M-Blu,    Reversing the Warburg Effect as a Treatment for Glioblastoma
- in-vitro, GBM, U87MG - NA, AD, NA - in-vitro, GBM, A172 - in-vitro, GBM, T98G
Warburg↓, OCR↑, lactateProd↓, TumCP↓, TumCCA↑, AMPK↑, ACC↓, Cyc↓, neuroP↑, Cyt‑c↝, Glycolysis↓, ECAR↓, TumCG↓, other↓,

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:


Mitochondria & Bioenergetics ⓘ

OCR↑, 1,  

Core Metabolism/Glycolysis ⓘ

ACC↓, 1,   AMPK↑, 1,   ECAR↓, 1,   Glycolysis↓, 1,   lactateProd↓, 1,   Warburg↓, 1,  

Cell Death ⓘ

Cyt‑c↝, 1,  

Transcription & Epigenetics ⓘ

other↓, 1,  

Cell Cycle & Senescence ⓘ

Cyc↓, 1,   TumCCA↑, 1,  

Proliferation, Differentiation & Cell State ⓘ

TumCG↓, 1,  

Migration ⓘ

TumCP↓, 1,  

Functional Outcomes ⓘ

neuroP↑, 1,  
Total Targets: 14

Pathway results for Effect on Normal Cells:


Total Targets: 0

Scientific Paper Hit Count for: Cyt‑c, cyt-c Release into Cytosol
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

Filter Conditions: Pro/AntiFlg:%  IllCat:%  CanType:%  Cells:%  prod#:12  Target#:77  State#:%  Dir#:%
  wNotes=0  sortOrder:rid,rpid

 

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