Cinnamon / ER Stress Cancer Research Results

Cin, Cinnamon: Click to Expand ⟱
Features:
Cinnamon is a spice from inner bark from several tree species.
Cinnamon refers primarily to bark extracts from Cinnamomum verum (Ceylon cinnamon) and Cinnamomum cassia. Bioactive constituents include cinnamaldehyde, cinnamic acid derivatives, procyanidins, and polyphenols. In cancer models, cinnamon extracts and cinnamaldehyde are most frequently reported to exert anti-proliferative, pro-apoptotic, anti-inflammatory, and anti-angiogenic effects. Mechanistic themes include suppression of NF-κB and PI3K/AKT signaling, modulation of MAPK pathways, induction of mitochondrial apoptosis, and context-dependent ROS elevation in tumor cells. Some studies report inhibition of HIF-1α and glycolytic signaling, though cinnamon is not a direct enzymatic Warburg inhibitor. Effects vary substantially depending on species (Ceylon vs Cassia), preparation (aqueous vs ethanol extract), and dose. Human oncology data remain limited and largely preclinical.

Biological activity, cinnamaldehyde from Ceylon cinnamon:
Antimicrobial activity: 10-50 μM
Antioxidant activity: 10-100 μM
Anti-inflammatory activity: 20-50 μM
Anticancer activity: 50-100 μM
Cardiovascular health: 20-50 μM

5 g of Ceylon cinnamon might contain roughly between 30 mg and 150 mg of cinnamaldehyde, with an approximate mid-range estimate of about 70 mg.
Assuming a moderate supplemental intake 50–200 mg of cinnamaldehyde, peak plasma levels might be anticipated in the vicinity of 1–10 μM.

Cancer Pathway Table: Cinnamon

Rank Pathway / Axis Cancer / Tumor Context Normal Tissue Context TSF Primary Effect Notes / Interpretation
1 NF-κB inflammatory / survival signaling NF-κB ↓; COX-2 ↓; cytokines ↓ (reported) Inflammatory tone ↓ R, G Anti-inflammatory / anti-survival One of the more consistently reported mechanisms across tumor models.
2 PI3K → AKT → mTOR axis PI3K/AKT ↓; proliferation ↓ (model-dependent) ↔ R, G Growth signaling suppression Frequently observed downstream of cinnamaldehyde exposure.
3 Intrinsic apoptosis (mitochondrial pathway) Bax ↑; Bcl-2 ↓; caspases ↑ (reported) Minimal activation at lower exposure G Apoptotic induction Apoptosis induction often associated with mitochondrial depolarization.
4 ROS modulation (dose-dependent) ROS ↑ (tumor contexts); apoptosis ↑ Antioxidant activity at low exposure P, R Redox modulation Cinnamaldehyde may increase ROS in cancer cells while acting antioxidant at lower doses.
5 MAPK pathways (ERK / JNK / p38) Stress-MAPK modulation (context-dependent) ↔ P, R, G Signal reprogramming JNK/p38 activation reported in apoptosis models; ERK modulation varies.
6 HIF-1α / glycolysis signaling HIF-1α ↓; glycolytic gene expression ↓ (reported) ↔ R, G Indirect Warburg modulation Not a direct enzyme inhibitor; metabolic effects appear secondary to survival pathway suppression.
7 Angiogenesis (VEGF signaling) VEGF ↓; angiogenesis ↓ (reported) ↔ G Anti-angiogenic Observed in some in vitro and animal models.
8 Cell-cycle regulation (G1/G2-M arrest) Cell-cycle arrest ↑ (reported) ↔ G Cytostasis Associated with reduced Cyclin/CDK expression.
9 Metastasis / EMT modulation MMPs ↓; migration ↓ (reported) ↔ G Anti-invasive phenotype Likely downstream of NF-κB and PI3K modulation.
10 Safety / composition constraint (coumarin content) High cassia intake may pose hepatotoxicity risk Generally safe in culinary amounts — Translation constraint Cassia cinnamon contains higher coumarin; Ceylon cinnamon preferred for higher intake.

TSF: P = 0–30 min (redox and early signaling effects), R = 30 min–3 hr (acute pathway modulation), G = >3 hr (apoptosis, angiogenesis, phenotype changes).



ER Stress, endoplasmic reticulum (ER) stress signaling pathway: Click to Expand ⟱
Source:
Type:
Protein expression of ATF, GRP78, and GADD153 which is a hall marker of ER stress.
The endoplasmic reticulum (ER) stress signaling pathway plays a crucial role in maintaining cellular homeostasis and responding to various stressors, including those encountered in cancer. When cells experience stress, such as the accumulation of misfolded proteins, they activate a series of signaling pathways collectively known as the unfolded protein response (UPR). The UPR aims to restore normal function by enhancing the protein-folding capacity of the ER, degrading misfolded proteins, and, if the stress is unresolved, triggering apoptosis.
The activation of ER stress pathways can contribute to resistance against chemotherapy and targeted therapies. Cancer cells may utilize the UPR to survive treatment-induced stress, making it challenging to achieve effective therapeutic outcomes.

-ER stress-associated proteins include: phosphorylation of PERK, eIF2α, ATF4, CHOP and cleaved-caspase 12
Scientific Papers found: Click to Expand⟱
3890- Cin,    The Therapeutic Roles of Cinnamaldehyde against Cardiovascular Diseases
- Review, NA, NA
*cardioP↑, *Inflam↓, *ROS↓, *lipid-P↓, *AntiAg↑, *angioG↑, *GutMicro↑, *ER Stress↓,

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:


Total Targets: 0

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

lipid-P↓, 1,   ROS↓, 1,  

Protein Folding & ER Stress ⓘ

ER Stress↓, 1,  

Migration ⓘ

AntiAg↑, 1,  

Angiogenesis & Vasculature ⓘ

angioG↑, 1,  

Immune & Inflammatory Signaling ⓘ

Inflam↓, 1,  

Clinical Biomarkers ⓘ

GutMicro↑, 1,  

Functional Outcomes ⓘ

cardioP↑, 1,  
Total Targets: 8

Scientific Paper Hit Count for: ER Stress, endoplasmic reticulum (ER) stress signaling pathway
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#:62  Target#:103  State#:%  Dir#:1
  wNotes=0  sortOrder:rid,rpid

 

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