Phenylbutyrate / GlucoseCon Cancer Research Results

PB, Phenylbutyrate: Click to Expand ⟱
Features:
Used to treat urea cycle disorders
Sodium phenylbutyrate helps remove ammonia from the body.
-Phenyl-butyrate (PB)4 is an aromatic fatty acid that is converted in vivo to phenylacetate (PA) by β-oxidation in liver and kidney mitochondria.
-In human body, phenylbutyrate is oxidized to phenylacetate, which is in turn conjugated with glutamine and eliminated in urine as phenylacetylglutamine, thereby mediating elimination of waste nitrogen
-Phenylbutyrate is one of the first drugs encountered in cancer therapy as a histone deacetylase inhibitor (HDACI) (relatively weak compared to vorinostat (SAHA), romidepsin, etc.).
-Butyric acid is one of the short-chain fatty acids produced by the gut microbiota through the fermentation of dietary fiber. Butyrate is primarily recognized for its beneficial effects in the colon and is tightly linked to gut health.
-Phenylbutyrate is a derivative of butyrate that has been chemically modified by the addition of a phenyl group. This structural change increases its lipophilicity (fat solubility) and alters its metabolic fate and biological activity. This allows it to be used as a systemic drug, in contrast to the locally produced butyrate in the gut, which is rapidly metabolized by colonocytes

Pathways:
-Histone deacetylase (HDAC) inhibitor
-ER stress inhibitor (at least in normal cell)
-Can act as a chemical chaperone, helping to reduce ER stress by facilitating proper protein folding.
-Modulation of NF-κB Signaling
-Changes in pathways such as PI3K/Akt/mTOR and MAPK.
-Some preclinical investigations have reported that treatment with phenylbutyrate leads to mitochondrial dysfunction and endoplasmic reticulum (ER) stress, both of which can result in an increase of ROS within cancer cells.

Note: Sodium butyrate (NaBu) vs Sodium phenylbutyrate
-Sodium butyrate is primarily a research tool with limited clinical application, whereas phenylbutyrate is used clinically
-Phenylbutyrate typically exhibits improved pharmacokinetics and is more amenable to systemic use compared to sodium butyrate.
-Both compounds act as HDAC inhibitors, phenylbutyrate additionally modulates ER stress and mitochondrial function, leading to potentially greater ROS production in certain cancer cells.

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Rank Pathway / Axis Cancer Context Normal Tissue Context TSF Primary Effect Notes
1 Histone Deacetylase (HDAC) inhibition Histone acetylation ↑; p21 ↑; differentiation ↑; proliferation ↓ Gene-expression modulation R, G Epigenetic reprogramming Core anticancer mechanism; early-generation, relatively weak HDAC inhibitor.
2 Cell-cycle arrest G1 arrest ↑; Cyclin D1 ↓ (reported) ↔ G Cytostasis Common downstream effect of HDAC inhibition.
3 Apoptosis Caspase activation ↑ (reported; model-dependent) ↔ G Cell death execution Often secondary to transcriptional changes and stress modulation.
4 ER stress / Chemical chaperone activity Context-dependent: ER stress ↑ or ↓ ER stress ↓ (protein misfolding disorders) R, G Protein-folding modulation Acts as chemical chaperone; effect depends on cell type and dose.
5 NF-κB signaling NF-κB modulation (reported) Inflammatory tone modulation R, G Transcriptional regulation Likely secondary to epigenetic changes.
6 PI3K → AKT / MAPK pathways Survival pathway modulation (reported; model-dependent) ↔ R, G Growth signaling modulation Downstream transcriptional effects rather than primary kinase inhibition.
7 Mitochondrial stress / ROS ROS modulation (context-dependent) ↔ P, R, G Metabolic adaptation Not a primary ROS-inducing agent; effects vary by tumor model.
8 Urea-cycle nitrogen scavenging (approved indication) — Ammonia elimination ↑ (phenylacetylglutamine formation) — Clinical metabolic role Primary approved medical use.


GlucoseCon, Glucose Consumption: Click to Expand ⟱
Source:
Type:
Glucose consumption is often elevated in cancer cells due to an increased reliance on glycolysis for energy production, even in the presence of oxygen. This phenomenon, known as the Warburg effect, is a metabolic shift that allows cancer cells to rapidly proliferate and survive in nutrient-poor environments.

The increased glucose consumption in cancer cells can be detected using positron emission tomography (PET) scans, which measure the uptake of a glucose analog labeled with a radioactive tracer.
Scientific Papers found: Click to Expand⟱
2421- PB,    Sodium butyrate inhibits aerobic glycolysis of hepatocellular carcinoma cells via the c‐myc/hexokinase 2 pathway
- in-vitro, HCC, HCCLM3 - in-vivo, NA, NA - in-vitro, HCC, Bel-7402 - in-vitro, HCC, SMMC-7721 cell - in-vitro, Nor, L02
Glycolysis↓, Apoptosis↑, TumCP↓, lactateProd↓, GlucoseCon↓, HK2↓, ChemoSen↑, *toxicity↓, cMyc↓, PFK1↓, LDHA↓, cMyc↓, ChemoSen↑,
2039- PB,    TXNIP mediates the differential responses of A549 cells to sodium butyrate and sodium 4‐phenylbutyrate treatment
- in-vitro, Lung, A549 - in-vitro, Nor, HEK293
TXNIP↑, Casp3↑, Casp7↑, mt-ROS↑, GlucoseCon↓, TumCP↓, TumCD↑, IGF-2↑, HDAC↓, ROS⇅,
2041- PB,    The Effect of Glucose Concentration and Sodium Phenylbutyrate Treatment on Mitochondrial Bioenergetics and ER Stress in 3T3-L1 Adipocytes
- in-vitro, Nor, 3T3
*mitResp↓, *ER Stress↓, MMP↓, GlucoseCon↓, OCR↓, CHOP↑,

Showing Research Papers: 1 to 3 of 3

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 3

Pathway results for Effect on Cancer / Diseased Cells:


Redox & Oxidative Stress ⓘ

ROS⇅, 1,   mt-ROS↑, 1,  

Mitochondria & Bioenergetics ⓘ

MMP↓, 1,   OCR↓, 1,  

Core Metabolism/Glycolysis ⓘ

cMyc↓, 2,   GlucoseCon↓, 3,   Glycolysis↓, 1,   HK2↓, 1,   lactateProd↓, 1,   LDHA↓, 1,   PFK1↓, 1,  

Cell Death ⓘ

Apoptosis↑, 1,   Casp3↑, 1,   Casp7↑, 1,   TumCD↑, 1,  

Protein Folding & ER Stress ⓘ

CHOP↑, 1,  

Proliferation, Differentiation & Cell State ⓘ

HDAC↓, 1,   IGF-2↑, 1,  

Migration ⓘ

TumCP↓, 2,   TXNIP↑, 1,  

Drug Metabolism & Resistance ⓘ

ChemoSen↑, 2,  
Total Targets: 21

Pathway results for Effect on Normal Cells:


Mitochondria & Bioenergetics ⓘ

mitResp↓, 1,  

Protein Folding & ER Stress ⓘ

ER Stress↓, 1,  

Functional Outcomes ⓘ

toxicity↓, 1,  
Total Targets: 3

Scientific Paper Hit Count for: GlucoseCon, Glucose Consumption
3 Phenylbutyrate
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#:15  Target#:623  State#:%  Dir#:1
  wNotes=0  sortOrder:rid,rpid

 

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