polyethylene glycol / VitC Cancer Research Results

PEG, polyethylene glycol: Click to Expand ⟱
Features:
PEG polyethylene glycol often used for nano particle stabilization. -Prevents aggregation, reduces opsonization -Increases half-life and stability -improves tumor targeting (EPR effect) repeated PEG exposure can trigger anti-PEG antibodies (found in ~20–40% of humans), which may Reduce therapeutic effectiveness

VitC, Vitamin C levels: Click to Expand ⟱
Source:
Type:
Adequate intracellular vitamin C can contribute to the hydroxylation and subsequent degradation of HIF-1α. Elevated HIF-1α is often associated with aggressive tumor behavior and poor prognosis.

Ascorbate Transporters
• SVCT2 (Sodium-Dependent Vitamin C Transporter 2)
– Role: Mediates the uptake of ascorbate into cells.
• GLUT Transporters (e.g., GLUT1)
– Role: While primarily known for transporting glucose, certain GLUT family members (especially GLUT1) also facilitate the uptake of the oxidized form of vitamin C (dehydroascorbate).
Ascorbic acid is a water-soluble redox-active molecule with three core roles relevant to cancer:
-Antioxidant / redox buffer (scavenges ROS)
-Cofactor for dioxygenases
  -TET DNA demethylases
  -JmjC histone demethylases
-Pro-oxidant at high pharmacologic concentrations (via H₂O₂ generation)

Its biological impact depends on dose, route, and tumor redox state.
Dose & Route Matter 
-Physiologic AA (oral): antioxidant, homeostatic
-Pharmacologic AA (IV, millimolar plasma levels):
  -Can act as a pro-oxidant in tumors
  -Generates extracellular H₂O₂ selectively toxic to some cancers

This is therapeutic context, not biomarker use—but it explains why AA status matters.


Scientific Papers found: Click to Expand⟱
4488- Se,  Chit,  PEG,    Anticancer effect of selenium/chitosan/polyethylene glycol/allyl isothiocyanate nanocomposites against diethylnitrosamine-induced liver cancer in rats
- in-vivo, Liver, HepG2 - in-vivo, Nor, HL7702
tumCV↓, Apoptosis↑, *GSH↑, *VitC↑, *VitE↑, *SOD↑, *GPx↑, *GR↑, ALAT↓, ALP↓, AST↓, LDH↓, selectivity↑, eff↑,

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:


Core Metabolism/Glycolysis ⓘ

ALAT↓, 1,   LDH↓, 1,  

Cell Death ⓘ

Apoptosis↑, 1,  

Transcription & Epigenetics ⓘ

tumCV↓, 1,  

Drug Metabolism & Resistance ⓘ

eff↑, 1,   selectivity↑, 1,  

Clinical Biomarkers ⓘ

ALAT↓, 1,   ALP↓, 1,   AST↓, 1,   LDH↓, 1,  
Total Targets: 10

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

GPx↑, 1,   GSH↑, 1,   SOD↑, 1,   VitC↑, 1,   VitE↑, 1,  

Hormonal & Nuclear Receptors ⓘ

GR↑, 1,  
Total Targets: 6

Scientific Paper Hit Count for: VitC, Vitamin C levels
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#:372  Target#:1253  State#:%  Dir#:2
  wNotes=0  sortOrder:rid,rpid

 

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