Honokiol / HSP90 Cancer Research Results

HNK, Honokiol: Click to Expand ⟱
Features:
Honokiol is a Lignan isolated from bark, seed cones and leaves of trees of Magnolia species. Honokiol was traditionally used for anxiety and stroke treatment, as well as the alleviation of flu symptoms.
-considered to have antioxidant properties
-low oral bioavailability and difficulty in intravenous administration
-the development of various formulations of honokiol, including microemulsion, liposomes, nanoparticles and micelle copolymers have successfully solved the problem of low water solubility.

Pathways:
-Inhibit NF-κB activation
-Downregulate STAT3 signalin
-Inhibiting the PI3K/Akt pathway,
-Inhibition of mTOR
-Influences various MAPK cascades—including ERK, JNK, and p38
-Inhibition of EGFR
-Inhibiting Notch pathway (CSCs)
-GPx4 inhibit
-Can induce ER stress in cancer cells, which contributes to the activation of unfolded protein response (UPR) pathways
-Disrupt the mitochondrial membrane potential in cancer cells.
-Reported to increase ROS production in cancer cells
-Can exhibit antioxidant properties in normal cells. - has some inhibitor activity but Not classified as HDAC inhibitor as weaker and may work more indirectly.
- is well-known in the research community for its role in activating SIRT3

-Note half-life 40–60 minutes
BioAv
Pathways:
- induce ROS production in cancer cells, and typically lowers ROS in normal cells
- ROS↑ related: MMP↓(ΔΨm), ER Stress↑, GRP78↑, Ca+2↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓ Prx
- Raises AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑,
- lowers Inflammation : NF-kB↓, COX2↓, Pro-Inflammatory Cytokines : IL-1β↓, TNF-α↓, IL-6↓,
- inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMPs↓, MMP2↓, MMP9↓, VEGF↓, ROCK1↓, RhoA↓, NF-κB↓, CXCR4↓, ERK↓
- reactivate genes thereby inhibiting cancer cell growth : HDAC↓, EZH2↓, P53↑, HSP↓,
- cause Cell cycle arrest : TumCCA↑, cyclin D1↓, cyclin E↓, CDK2↓, CDK4↓, CDK6↓,
- inhibits Migration/Invasion : TumCMig↓, TumCI↓, ERK↓, EMT↓,
- inhibits glycolysis and ATP depletion : HIF-1α↓, cMyc↓, GLUT1↓, LDH↓, LDHA↓, HK2↓, PDKs↓, ECAR↓, OXPHOS↓, GRP78↑, GlucoseCon↓
- inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, Notch↓, EGFR↓,
- inhibits Cancer Stem Cells : CSC↓, CD133↓, β-catenin↓, sox2↓, nestin↓, OCT4↓,
- Others: PI3K↓, AKT↓, JAK↓, STAT↓, Wnt↓, β-catenin↓, AMPK, ERK↓, JNK, TrxR**, - Shown to modulate the nuclear translocation of SREBP-2 (related to cholesterol).
- Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, RadioProtective, Others(review target notes), Neuroprotective, Cognitive, Renoprotection, Hepatoprotective, CardioProtective,

- Selectivity: Cancer Cells vs Normal Cells

Rank Pathway / Axis Cancer Cells Normal Cells Label Primary Interpretation Notes
1 Mitochondrial integrity / intrinsic apoptosis ↓ ΔΨm; ↑ cytochrome-c release; ↑ caspases ↔ largely preserved Driver Mitochondria-directed cytotoxicity Honokiol directly accumulates in mitochondria and initiates intrinsic apoptosis in cancer cells
2 Reactive oxygen species (ROS) ↑ ROS (secondary, stress-amplifying) ↔ buffered Secondary Mitochondrial stress amplification ROS elevation follows mitochondrial perturbation rather than acting as the initiating trigger
3 STAT3 signaling ↓ STAT3 activation ↔ minimal Driver Loss of survival and stemness signaling STAT3 suppression contributes to apoptosis, CSC targeting, and reduced proliferation
4 PI3K → AKT → mTOR axis ↓ AKT / ↓ mTOR ↔ adaptive suppression Secondary Growth and anabolic inhibition AKT/mTOR inhibition reinforces mitochondrial and apoptotic stress
5 NF-κB signaling ↓ NF-κB activation ↓ inflammatory NF-κB tone Secondary Suppression of survival transcription NF-κB inhibition contributes to chemosensitization and anti-inflammatory effects
6 Cell cycle regulation ↑ G0/G1 or G2/M arrest ↔ spared Phenotypic Cytostatic growth control Cell-cycle arrest reflects upstream signaling disruption
7 Autophagy ↑ autophagy (context-dependent) ↑ adaptive autophagy Adaptive Stress response vs death cooperation Autophagy may precede apoptosis or act as a transient survival response


HSP90, HSP90: Click to Expand ⟱
Source: HalifaxProj(inhibit)
Type:
Heat shock protein 90 (Hsp90) is a molecular chaperone that plays a critical role in the proper folding, stabilization, and function of many proteins, including those involved in cell signaling, cell cycle regulation, and stress responses.
-Hsp90 interacts with a variety of client proteins that are often mutated or overexpressed in cancer. These include oncogenes (like HER2, BRAF, and AKT) and tumor suppressor proteins (like p53).
-Hsp90 is often overexpressed in cancer cells, which can help them survive under stressful conditions, such as those found in the tumor microenvironment. This overexpression is associated with poor prognosis in several types of cancer.
-HSPs, particularly HSP90, are known to stabilize many proteins that drive cancer progression (oncoproteins).
Scientific Papers found: Click to Expand⟱
2878- HNK,    Suppressing migration and invasion of H1299 lung cancer cells by honokiol through disrupting expression of an HDAC6-mediated matrix metalloproteinase 9
- in-vitro, Lung, H1299
TumCMig↓, TumCI↓, MMP9↓, α-tubulin↑, HDAC6↓, HSP90↓,
2876- HNK,    Honokiol from Magnolia spp. induces G1 arrest via disruption of EGFR stability through repressing HDAC6 deacetylated Hsp90 function in lung cancer cells
- in-vitro, Lung, A549 - in-vitro, Lung, H23 - in-vitro, Lung, HCC827
EGFR↓, HSP90↓,
2874- HNK,    Suppressing migration and invasion of H1299 lung cancer cells by honokiol through disrupting expression of an HDAC6‐mediated matrix metalloproteinase 9
- in-vitro, Lung, H1299
MMP9↓, α-tubulin↑, TumCI↓, HDAC6↓, HSP90↓, TumCMig↓, EGFR↓,

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:


Protein Folding & ER Stress ⓘ

HSP90↓, 3,  

Proliferation, Differentiation & Cell State ⓘ

HDAC6↓, 2,  

Migration ⓘ

MMP9↓, 2,   TumCI↓, 2,   TumCMig↓, 2,   α-tubulin↑, 2,  

Angiogenesis & Vasculature ⓘ

EGFR↓, 2,  

Clinical Biomarkers ⓘ

EGFR↓, 2,  
Total Targets: 8

Pathway results for Effect on Normal Cells:


Total Targets: 0

Scientific Paper Hit Count for: HSP90, HSP90
3 Honokiol
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#:94  Target#:149  State#:%  Dir#:%
  wNotes=0  sortOrder:rid,rpid

 

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