Garcinol / Cyt‑c Cancer Research Results

GAR, Garcinol: Click to Expand ⟱
Features:
Found in dried fruit rind of Garcinia Indica with anti-inflammatory, antioxidant, anticancer, and antibacterial properties
Garcinia Cambogia Extract.
"We conclude that patients who are T-cadherin-positive could especially benefit from a therapy with garcinol."

🔬1) NF-κB & AP-1 Suppression
Garcinol inhibits NF-κB and AP-1 transcriptional activity in multiple cancer cell systems, reducing pro-inflammatory and pro-survival gene expression.
📚 2) Epigenetic Regulation
Garcinol is one of the few natural products shown to inhibit p300/CBP histone acetyltransferases, shifting chromatin acetylation and influencing gene expression (differentiation, apoptosis, EMT). This is more specific than general “HDAC modulation.”
💀 3) Apoptosis
Studies report modulation of the Bcl-2 family and increased caspase activity, but this is often downstream of transcription/epigenetic changes, not a direct redox trigger.
🧬 4) Cell Cycle & Proliferation
Lower Cyclin D1, higher p21/p27, and G1/S arrest are common phenotypes.
🧭 5) Invasion & Angiogenesis
Garcinol reduces MMP-2/9 and angiogenic markers in multiple tumor cell assays.

Rank Pathway / Axis Cancer Cells Normal Cells TSF Primary Effect Notes / Interpretation
1 NF-κB / AP-1 signaling NF-κB ↓; AP-1 ↓; downstream pro-survival/inflammatory outputs ↓ ↔ or anti-inflammatory modulation in immune cells R, G Pro-survival & inflammatory transcription suppression Garcinol is reported to inhibit NF-κB and AP-1 transcriptional activity, reducing inflammation and pro-growth signaling in multiple models.
2 Epigenetic regulation (HAT/HDAC modulation) Inhibition of p300/CBP histone acetyltransferase; altered acetylation patterns ↔ baseline epigenetic state R, G Gene regulatory reprogramming Garcinol directly inhibits histone acetyltransferases (especially p300/CBP), influencing chromatin state and gene expression linked to differentiation and proliferation.
3 Intrinsic apoptosis (mitochondrial / caspase-linked) ↑ Bax/Bak; ↓ Bcl-2/Bcl-xL; ↑ caspase-9/3 ↔ minimal activation in normal cells G Execution of apoptosis Often downstream of stress and survival pathway modulation; not as dominant as classic pro-oxidant molecules but consistent in many cell lines.
4 Cell-cycle checkpoints (p21/p27; Cyclin D1) Cell-cycle arrest (often G1/S); Cyclin D1 ↓ ↔ G Cytostasis Frequently reported as later phenotypic outcome tied to reduced proliferation.
5 Invasion / metastasis programs (MMPs / EMT) MMP-2/9 ↓; invasion/migration ↓; EMT markers ↓ ↔ G Anti-invasive phenotype Linked mechanistically to NF-κB/AP-1 and epigenetic changes influencing MMP expression and EMT regulators.
6 Angiogenesis signaling (VEGF & pro-angiogenic factors) VEGF ↓; pro-angiogenic markers ↓ ↔ G Anti-angiogenic support Sometimes measured in later in vivo or emulated assay systems; reflects downstream gene expression changes.
7 PI3K/AKT / survival kinases ↓ PI3K/AKT signaling (model-dependent) ↔ R, G Survival/growth suppression Modulation of survival kinases is reported in some systems but not a universal primary mechanism.
8 ROS / oxidative stress (context–dependent) ROS modulation (inconsistent across models) ↔ P, R, G Conditional stress modulation Some studies report mild ROS changes, but garcinol is not a strong pro-oxidant driver like BetA or curcumin in cancer cells.
9 Chemo-sensitization / combination relevance Enhanced sensitivity to chemotherapeutics (context) — G Combination leverage Combination effects are reported in selected cell lines/model systems; not universal.
10 Bioavailability constraint (oral exposure / formulation dependence) Systemic exposure often limited without enhanced delivery — — Translation constraint Poor native bioavailability is common across polyphenols/bzp molecules; formulations improve systemic exposure.

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

  • P: 0–30 min (primary/physical-chemical effects; rapid signaling / kinase shifts)
  • R: 30 min–3 hr (acute stress-response and transcription signaling)
  • G: >3 hr (gene-regulatory adaptation and phenotype-level 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⟱
823- GAR,    Garcinol Potentiates TRAIL-Induced Apoptosis through Modulation of Death Receptors and Antiapoptotic Proteins
- in-vitro, BC, MCF-7 - in-vitro, Nor, MCF10 - in-vitro, CRC, HCT116
Casp3↑, Casp9↑, Casp8↑, DR5↑, survivin↓, Bcl-2↓, XIAP↓, cFLIP↓, BAX↑, Cyt‑c↑, ROS↑, GSH↓, *eff↓,
830- GAR,    Garcinol modulates tyrosine phosphorylation of FAK and subsequently induces apoptosis through down-regulation of Src, ERK, and Akt survival signaling in human colon cancer cells
- in-vitro, CRC, HT-29
TumCI↓, TumCMig↓, Apoptosis↑, p‑FAK↓, Src↓, MAPK↓, ERK↓, PI3K/Akt↓, Bax:Bcl2↑, Cyt‑c↑, MMP7↓,
831- GAR,  CUR,    Induction of apoptosis by garcinol and curcumin through cytochrome c release and activation of caspases in human leukemia HL-60 cells
- in-vitro, AML, HL-60
Apoptosis↑, Casp3↑, MMP↓, Cyt‑c↑, proCasp9↑, Bcl-2↓, BAX↑, PARP↓, DNAdam↑, DFF45↓,

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 ⓘ

GSH↓, 1,   ROS↑, 1,  

Mitochondria & Bioenergetics ⓘ

MMP↓, 1,   XIAP↓, 1,  

Core Metabolism/Glycolysis ⓘ

PI3K/Akt↓, 1,  

Cell Death ⓘ

Apoptosis↑, 2,   BAX↑, 2,   Bax:Bcl2↑, 1,   Bcl-2↓, 2,   Casp3↑, 2,   Casp8↑, 1,   Casp9↑, 1,   proCasp9↑, 1,   cFLIP↓, 1,   Cyt‑c↑, 3,   DR5↑, 1,   MAPK↓, 1,   survivin↓, 1,  

DNA Damage & Repair ⓘ

DFF45↓, 1,   DNAdam↑, 1,   PARP↓, 1,  

Proliferation, Differentiation & Cell State ⓘ

ERK↓, 1,   Src↓, 1,  

Migration ⓘ

p‑FAK↓, 1,   MMP7↓, 1,   TumCI↓, 1,   TumCMig↓, 1,  
Total Targets: 27

Pathway results for Effect on Normal Cells:


Drug Metabolism & Resistance ⓘ

eff↓, 1,  
Total Targets: 1

Scientific Paper Hit Count for: Cyt‑c, cyt-c Release into Cytosol
3 Garcinol
1 Curcumin
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#:83  Target#:77  State#:%  Dir#:%
  wNotes=0  sortOrder:rid,rpid

 

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