Beta-Caryophyllene / P-gp/ABCB1 Cancer Research Results

BCP, Beta-Caryophyllene: Click to Expand ⟱
Features:

β-Caryophyllene is a dietary sesquiterpene and CB2 agonist with preclinical anticancer evidence, including apoptosis induction, reduced proliferation, anti-angiogenesis, reduced invasion/migration, and chemo/radio-sensitization. Evidence is promising but remains mainly in-vitro and animal-based; clinical cancer validation is lacking.
-naturally occurring sesquiterpene found in many plant essential oils: black pepper, clove oil ...
-binds selectively to the CB2 receptors(modulates up) and not the CB1 receptor, which makes it non-psychoactive and therapeutically appealing.

-Ylang-Ylang leaves have been found to contain the highest concentration of BCP (52%)
-black pepper, 30% BCP in its fruit-derived essential oil.
-leaves of the tropical tree Spondias pinnata yield 49.9% BCP
-Pimpinella kotschyana, a Mediterranean herb, was found to contain 49.9% BCP in its seeds
-Sumac fruits contain 34.3% BCP
-clove buds contain 20–30% BCP in their essential oil
-certain cannabis strains, flowers can produce BCP concentrations of approximately 30%
-sugar apples leaves contain 22.9% BCP

Beta-Caryophyllene — β-Caryophyllene is a plant-derived bicyclic sesquiterpene hydrocarbon and dietary cannabinoid with selective functional agonism at cannabinoid receptor type 2. It is formally classified as a natural sesquiterpene terpene, food flavoring compound, and investigational phytochemical adjunct rather than an approved anticancer drug. Standard abbreviations include BCP, β-CP, and sometimes trans-caryophyllene. It occurs in multiple essential oils, especially black pepper, clove, copaiba, oregano, hops, rosemary, and Cannabis sativa chemotypes, but its database identity should be the purified compound rather than a whole-oil product.

Primary mechanisms (ranked):

  1. CB2-centered anti-inflammatory and immunomodulatory signaling, with low CB1 activity and therefore no intrinsic THC-like psychoactive classification.
  2. Suppression of pro-survival oncogenic signaling, especially PI3K/Akt/mTOR, STAT3, NF-κB, and related proliferation or survival pathways in cancer models.
  3. Induction of mitochondrial apoptosis through Bax/Bcl-2 shift, caspase activation, mitochondrial stress, and cell-cycle arrest in several cancer cell lines.
  4. Anti-angiogenic and anti-migratory activity, including inhibition of endothelial migration, tube formation, VEGF-linked responses, EMT, invasion, and metastasis-associated phenotypes.
  5. Chemosensitization, mainly preclinical, reported with cisplatin and other cytotoxic or targeted agents; mechanism appears context-dependent and partly linked to apoptosis and resistance-pathway modulation.
  6. Radiosensitization, currently preliminary and model-dependent, with recent colorectal cancer cell evidence involving PPARγ-mediated apoptosis.
  7. ROS/NRF2 modulation is secondary and context-dependent: BCP can promote oxidative stress in cancer-cell apoptosis models, while in normal injury models it more often shows cytoprotective antioxidant and NRF2-linked effects.

Bioavailability / PK relevance: BCP is highly lipophilic and formulation-sensitive; oral exposure is limited and variable with conventional dosing, while self-emulsifying lipid formulations can substantially improve human systemic exposure. PK relevance is high because many in-vitro anticancer concentrations are unlikely to be reproduced by normal dietary intake.

Delivery constraints: The key delivery constraints are volatility, hydrophobicity, oxidation/stability, low aqueous solubility, food-matrix dependence, and the likely need for lipid, nanoemulsion, SEDDS, or other formulation strategies if systemic pharmacology is the goal.

In-vitro vs systemic exposure relevance: Most anticancer assays use micromolar-to-high-micromolar or µg/mL concentrations; these should be interpreted cautiously because common in-vitro levels likely exceed exposures achievable from culinary intake. Formulated oral BCP may improve exposure, but clinical anticancer target engagement has not been established.

Clinical evidence status: Preclinical oncology evidence is moderate and spans cell, endothelial, and animal models; human evidence is small and mostly non-oncology or PK-focused. No validated clinical cancer efficacy evidence was found. Best database status is preclinical / investigational adjunct, with possible chemosensitizer and anti-angiogenic tags marked as preclinical.

Beta-Caryophyllene Mechanistic Profile

Rank Pathway / Axis Cancer Cells Normal Cells TSF Primary Effect Notes / Interpretation
1 CB2 receptor signaling CB2 engagement may shift inflammatory and survival signaling ↓ (context-dependent) CB2-mediated inflammation ↓ with low CB1 psychoactivity R/G Anti-inflammatory and immunomodulatory signaling Core pharmacologic identity of BCP; direct anticancer dependence on CB2 varies by model.
2 PI3K Akt mTOR STAT3 survival signaling PI3K/Akt/mTOR ↓; STAT3 ↓; proliferation ↓; survival ↓ Usually cytoprotective or neutral at lower exposure (context-dependent) R/G Growth suppression and apoptosis sensitization Central anticancer axis across bladder, ovarian, lung, and other cell models; not yet clinically validated.
3 Mitochondrial apoptosis Bax ↑; Bcl-2 ↓; caspase-3 ↑; mitochondrial stress ↑; apoptosis ↑ In injury models, mitochondrial dysfunction often ↓ G Intrinsic apoptotic cell death Strong recurring preclinical mechanism; cancer selectivity depends on dose and model.
4 Angiogenesis and endothelial migration VEGF-linked angiogenesis ↓; invasion ↓; migration ↓ Endothelial migration and tube formation ↓ (model-dependent) G Anti-angiogenic and anti-metastatic pressure Important for colorectal xenograft and endothelial assay interpretation; may be therapeutically relevant but exposure-limited.
5 NF-κB inflammatory signaling NF-κB-linked survival and cytokine tone ↓ (context-dependent) Inflammatory cytokine signaling ↓ R/G Inflammation-linked tumor support reduction More robust as an anti-inflammatory mechanism than as a standalone cancer-killing mechanism.
6 ROS and mitochondrial oxidative stress ROS ↑ can contribute to apoptosis (high concentration only) Oxidative stress ↓ in many toxic injury models R/G Context-dependent redox modulation antioxidant or pro-oxidant; direction depends on cell type, injury context, and concentration.
7 NRF2 cytoprotection ↔ or context-dependent; may be undesirable if it protects malignant cells NRF2/HO-1/NQO1 ↑ in injury-protection models G Secondary antioxidant-response modulation NRF2 is not a core anticancer mechanism for BCP; tag as secondary/contextual rather than primary.
8 Chemosensitization Cisplatin response ↑; apoptosis ↑; resistance signaling ↓ (model-dependent) Normal-cell toxicity data are insufficient for oncology combinations G Adjunct sensitization Preclinical evidence supports a sensitizer hypothesis, but there is no clinical cancer validation.
9 Radiosensitization Radiation response ↑ in colorectal cancer cells (model-dependent) Normal-tissue radioprotection versus radiosensitization is unresolved G Potential radiation adjunct Recent evidence is early and should be tagged as preliminary, not established.
10 Glycolysis and HIF-1α ↔ limited direct oncology evidence ↔ not a primary established axis G Not a core mechanism Do not add strong HIF-1α or glycolysis tags unless future product-specific cancer evidence supports them.
11 Clinical Translation Constraint Effective in-vitro exposure may exceed practical dietary exposure Food-use safety does not establish therapeutic-dose safety G PK and evidence limitation Key constraints are bioavailability, formulation, dose, tissue exposure, cancer-type heterogeneity, and lack of oncology trials.

TSF legend: P: 0–30 min; R: 30 min–3 hr; G: >3 hr
P-gp/ABCB1, permeability-glycoprotein: Click to Expand ⟱
Source:
Type:
P-glycoprotein (P-gp), also known as multidrug resistance protein 1 (MDR1), is a membrane protein that plays a crucial role in the transport of various substances across cellular membranes. It is part of the ATP-binding cassette (ABC) transporter family.
P-glycoprotein is often overexpressed in a variety of cancers, including breast cancer, lung cancer, leukemia, and ovarian cancer.

- The overexpression of P-glycoprotein (P-gp), is widely considered as an important reason for the MDR (multidrug resistance).

ABCB1 - ATP-Binding Cassette Subfamily B Member 1 / P-Glycoprotein

Abbreviation: ABCB1, P-gp, P-glycoprotein, MDR1

Type: ATP-dependent membrane efflux transporter / multidrug resistance protein

Function: ABCB1 encodes P-glycoprotein, an ATP-binding cassette transporter that exports a broad range of drugs, xenobiotics, lipids, and other substrates across cellular membranes. It is highly expressed in barrier tissues including the intestine, liver, kidney, placenta, and blood-brain barrier, where it limits tissue accumulation of potentially harmful compounds.

Cancer: ↑ Frequently overexpressed or functionally activated in drug-resistant tumors. Increased ABCB1 lowers intracellular concentrations of many anticancer agents by actively transporting them out of cancer cells, producing multidrug resistance and reducing chemotherapy effectiveness.

Alzheimer's Disease: ↓ Reduced ABCB1/P-glycoprotein expression or transport activity at the blood-brain barrier is associated with impaired amyloid-β clearance from the brain. Lower P-gp function correlates with increased cerebral Aβ accumulation and may contribute to Alzheimer's disease progression.
Scientific Papers found: Click to Expand⟱
6503- BCP,    The Potential Therapeutic Role of Beta-Caryophyllene as a Chemosensitizer and an Inhibitor of Angiogenesis in Cancer
- Review, Var, NA
ChemoSen↑, angioG↓, TumCI↓, TumMeta↓, ROS↑, *ROS↓, chemoP↑, CB2 / CNR2↑, Inflam↓, AntiTum↑, *BioAv↑, *BBB↑, Apoptosis↑, TumCP↑, TumCCA↑, RadioS↑, DNArepair↓, ROS↑, STAT3↓, *BioEnh↑, Pain↓, AntiBio↓, ROS↑, Dose↝, NF-kB↓, MAPK↓, TNF-α↓, IL1β↓, IL6↓, cl‑PARP↑, Casp↑, BAX↑, Bcl-2↓, VEGF↓, VEGFR2/KDR/Flk1↓, MMP2↓, p‑p38↓, p‑ERK↓, EPR↑, P-gp/ABCB1↓, MRP1/ABCC1↓, *NRF2↑, *antiOx↑,

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:


NA, unassigned(tgid=0) ⓘ

AntiBio↓, 1,  

Redox & Oxidative Stress(tgid=1) ⓘ

ROS↑, 3,  

Cell Death(tgid=5) ⓘ

Apoptosis↑, 1,   BAX↑, 1,   Bcl-2↓, 1,   Casp↑, 1,   MAPK↓, 1,   p‑p38↓, 1,  

DNA Damage & Repair(tgid=10) ⓘ

DNArepair↓, 1,   cl‑PARP↑, 1,  

Cell Cycle & Senescence(tgid=11) ⓘ

TumCCA↑, 1,  

Proliferation, Differentiation & Cell State(tgid=12) ⓘ

p‑ERK↓, 1,   STAT3↓, 1,  

Migration(tgid=13) ⓘ

MMP2↓, 1,   TumCI↓, 1,   TumCP↑, 1,   TumMeta↓, 1,  

Angiogenesis & Vasculature(tgid=14) ⓘ

angioG↓, 1,   EPR↑, 1,   VEGF↓, 1,   VEGFR2/KDR/Flk1↓, 1,  

Barriers & Transport(tgid=15) ⓘ

P-gp/ABCB1↓, 1,  

Immune & Inflammatory Signaling(tgid=16) ⓘ

CB2 / CNR2↑, 1,   IL1β↓, 1,   IL6↓, 1,   Inflam↓, 1,   NF-kB↓, 1,   TNF-α↓, 1,  

Drug Metabolism & Resistance(tgid=21) ⓘ

ChemoSen↑, 1,   Dose↝, 1,   MRP1/ABCC1↓, 1,   RadioS↑, 1,  

Clinical Biomarkers(tgid=22) ⓘ

IL6↓, 1,  

Functional Outcomes(tgid=23) ⓘ

AntiTum↑, 1,   chemoP↑, 1,   Pain↓, 1,  
Total Targets: 36

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress(tgid=1) ⓘ

antiOx↑, 1,   NRF2↑, 1,   ROS↓, 1,  

Barriers & Transport(tgid=15) ⓘ

BBB↑, 1,  

Drug Metabolism & Resistance(tgid=21) ⓘ

BioAv↑, 1,   BioEnh↑, 1,  
Total Targets: 6

Scientific Paper Hit Count for: P-gp/ABCB1, permeability-glycoprotein
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#:401  Target#:232  State#:%  Dir#:%
  wNotes=0  sortOrder:rid,rpid

 

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