Ferulic acid / NRF2 Cancer Research Results

FA, Ferulic acid: Click to Expand ⟱
Features:
Ferulic acid is an antioxidant found in some skin creams and serums.
Foods: popcorn, bamboo, whole-grain rye bread, whole-grain oat flakes, sweet corn (cooked)
Ferulic acid (FA) is a hydroxycinnamic acid abundant in plant cell walls (notably cereals/whole grains) with strong antioxidant and cytoprotective activity. Mechanistically, FA is frequently described as inducing Nrf2/HO-1 antioxidant programs and suppressing NF-κB-linked inflammation, with additional model-dependent anticancer effects (cell-cycle arrest, apoptosis, reduced invasion). Oral exposure is variable because FA is rapidly metabolized (often as conjugates) and bioaccessibility depends on the food matrix.

-Ferulic acid found in dietary strand fractions, especially its free form, has important functions for protecting the human health.
-AChE inhibitor (AD)
-Cooking results in an increase in free ferulic acid quantity and in a reduction in bound ferulic acid quantity.
Bamboo shoots       243.6 mg/100g
Sugar-beet pulp     800 mg/100g
Popcorn             313 mg/100g
Wheat bran	    500–1500mg/100g
Whole wheat flour   100–300mg/100g
            
Type of corn p-coumaric acidferulic acid
   mg/kg, DW mg/kg, DW
Yellow dent 18.9 265
American blue N.D. 927
Mexican blue 1.3 202
white 6.6 2484
Pathway / Target	Modulation by FA / Direction
Aβ aggregation	         ↓ Inhibits fibril formation and destabilizes existing Aβ fibrils 
BACE‑1 & APP	         ↓ Reduces BACE-1 and APP expression; ↑ MMP‑2/‑9 expression promoting Aβ clearance
Tau hyperphosphorylation  Implicitly ↓ through modulation of Ca²⁺/CDK5/GSK3β pathways
Ca²⁺         	         ↓ FA lowers STEP levels via chelation of Ca²⁺, suppressing PP2B → restores synaptic plasticity
(AChE / BChE)	         ↓ Inhibition of AChE (FA IC₅₀~15 µM, derivatives IC₅₀ down to 0.006 µM); also BChE
(MAO‑A/B)	         ↓ Inhibits MAO‑B (derivatives IC₅₀ ~0.3–0.7 µM), reducing ROS
ROS                      ↓ Scavenges ROS, enhances antioxidant enzymes (e.g., catalase), ↓ MDA
(COX‑2, 5‑LOX, NLRP3)	 ↓ Derivatives inhibit COX‑2/5‑LOX; derivative 13a ↓ NLRP3 inflammasome
Iron/Cu²⁺ chelation	 ↓ Metal-induced Aβ aggregation via chelation by FA and derivatives
Autophagy & Aβ clearance  ↗ Suggested promotion of autophagy mechanisms targeting Aβ
Rank Pathway / Axis Cancer Cells Normal Cells TSF Primary Effect Notes / Interpretation
1 Nrf2 → HO-1 / ARE antioxidant response Stress adaptation modulation (context-dependent) Nrf2 ↑; HO-1 ↑; antioxidant defenses ↑ R, G Endogenous antioxidant upshift FA is repeatedly reported to promote Nrf2 nuclear translocation and HO-1 induction; this is one of the most defensible “core” mechanisms.
2 NF-κB inflammatory transcription (COX-2 / iNOS / cytokines) NF-κB ↓; COX-2/iNOS and pro-inflammatory cytokine programs ↓ (reported) Inflammation tone ↓ (tissue protective) R, G Anti-inflammatory signaling Often described as downstream of redox changes and upstream of reduced inflammatory mediators; direction is consistent across many inflammation models.
3 ROS / oxidative stress tone Oxidative stress ↓ (often); ROS direction can vary by tumor model Oxidative injury ↓ P, R, G Redox buffering (context-dependent) FA is classically antioxidant; in tumor systems, effects may be secondary to signaling changes and vary with baseline redox instability.
4 Cell-cycle control (Cyclin D1 / CDK4/6; checkpoints) Cell-cycle arrest ↑ (reported); Cyclin D1 ↓; proliferation ↓ G Cytostasis Frequently reported as later phenotype-level outcomes; direction and checkpoint phase (G1 vs G2/M) vary by model.
5 Apoptosis (intrinsic caspase-linked; p53 axis in some models) Apoptosis ↑; caspase activation ↑ (reported); p53/p21 ↑ (model-dependent) ↔ (generally less activation) G Cell death execution Apoptosis is commonly observed in cancer models but is not as “signature-direct” as for mitochondrial toxins; best treated as downstream/conditional.
6 MAPK re-wiring (ERK / JNK / p38) MAPK modulation (context-dependent) P, R, G Signal reprogramming MAPK direction depends on whether FA is acting primarily as anti-inflammatory/anti-stress vs antiproliferative; avoid hard arrows for p38/JNK/ERK unless model-specific.
7 PI3K → AKT (± mTOR) survival axis PI3K/AKT modulation (reported; model-dependent) R, G Survival/growth modulation Often listed in anticancer summaries; treat as “reported” rather than universal primary mechanism.
8 Invasion / metastasis programs (MMPs / migration) MMPs ↓; migration/invasion ↓ (reported) G Anti-invasive phenotype Observed as later outcomes (gene expression + phenotype assays) and commonly linked to NF-κB/MAPK context.
9 Radiation/chemo injury mitigation (supportive care framing) Adjunct potential: may reduce treatment-associated oxidative/inflammatory injury (context) Tissue protection ↑ (reported) G Cytoprotection Animal models report radioprotective/anti-inflammatory effects; present as supportive/adjunct rather than standalone anticancer therapy.
10 Bioavailability / metabolism constraint (conjugation; food-matrix dependence) Systemic exposure variable; much appears as glucuronide/sulfate conjugates Translation constraint FA is absorbed and rapidly metabolized; “bioavailability” varies widely with food matrix and binding to polysaccharides in grains.

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

  • P: 0–30 min (primary/rapid effects; early redox interactions / rapid signaling shifts)
  • R: 30 min–3 hr (acute stress-response + transcription signaling shifts)
  • G: >3 hr (gene-regulatory adaptation and phenotype-level outcomes)


NRF2, nuclear factor erythroid 2-related factor 2: Click to Expand ⟱
Source: TCGA
Type: Antiapoptotic
Nrf2 is responsible for regulating an extensive panel of antioxidant enzymes involved in the detoxification and elimination of oxidative stress. Thought of as "Master Regulator" of antioxidant response.
-One way to estimate Nrf2 induction is through the expression of NQO1.
NQO1, the most potent inducer:
SFN 0.2 μM,
quercetin (2.5 μM),
curcumin (2.7 μM),
Silymarin (3.6 μM),
tamoxifen (5.9 μM),
genistein (6.2 μM ),
beta-carotene (7.2μM),
lutein (17 μM),
resveratrol (21 μM),
indol-3-carbinol (50 μM),
chlorophyll (250 μM),
alpha-cryptoxanthin (1.8 mM),
and zeaxanthin (2.2 mM)

1. Raising Nrf2 enhances the cell's antioxidant defenses and ↓ROS. This strategy is used to decrease chemo-radio side effects.
2. Downregulating Nrf2 lowers antioxidant defenses and ↑ROS. In cancer cells this leads to DNA damage, and cell death.
3. However there are some cases where increasing Nrf2 paradoxically causes an increase in ROS (cancer cells). Such as cases of Mitochondial overload, signal crosstalk, reductive stress

-In some cases, Nrf2 is overexpressed in cancer cells, which can lead to the activation of genes involved in cell proliferation, angiogenesis, and metastasis. This can contribute to the development of resistance to chemotherapy and targeted therapies.
-Increased Nrf2 expression: Lung, Breast, Colorectal, Prostrate.
Decreased Nrf2 expression: Skine, Liver, Pancreatic.
-Nrf2 is a cytoprotective transcription factor which demonstrated both a negative effect as well as a positive effect on cancer
- "promotes Nrf2 translocation from the cytoplasm to the nucleus," means facilitates the movement of Nrf2 into the nucleus, thereby enhancing the cell's antioxidant and cytoprotective responses. -Major regulator of Nrf2 activity in cells is the cytosolic inhibitor Keap1.

Nrf2 Inhibitors and Activators
Nrf2 Inhibitors: Brusatol, Luteolin, Trigonelline, VitC, Retinoic acid, Chrysin
Nrf2 Activators: SFN, OPZ EGCG, Resveratrol, DATS, CUR, CDDO, Api
- potent Nrf2 inducers from plants include sulforaphane, curcumin, EGCG, resveratrol, caffeic acid phenethyl ester, wasabi, cafestol and kahweol (coffee), cinnamon, ginger, garlic, lycopene, rosemany

Nrf2 plays dual roles in that it can protect normal tissues against oxidative damage and can act as an oncogenic protein in tumor tissue.
– In healthy tissues, NRF2 activation helps protect cells from oxidative damage and maintains cellular homeostasis.
– In many cancers, constitutive activation of NRF2 (often through mutations in NRF2 itself or loss-of-function mutations in KEAP1) leads to an enhanced antioxidant capacity.
– This upregulation can promote tumor cell survival by enabling cancer cells to thrive under oxidative stress, resist chemotherapeutic agents, and sustain metabolic reprogramming.
– Elevated NRF2 levels have been implicated in promoting tumor growth, metastasis, and resistance to therapy in various malignancies.
– High or sustained NRF2 activity is frequently associated with aggressive tumor phenotypes, poorer prognosis, and decreased overall survival in several cancer types.
– While its activation is essential for protecting normal cells from oxidative stress, aberrant or sustained NRF2 activation in tumor cells can lead to enhanced survival, therapeutic resistance, and tumor progression.

NRF2 inhibitors: (to decrease antioxidant defenses and increase cell death from ROS).
-Brusatol: most cited natural inhibitors of Nrf2.
-Luteolin: luteolin can reduce Nrf2 activity in specific cancer models and may enhance cell sensitivity to chemotherapy. However, luteolin is also known as an antioxidant, and its influence on Nrf2 can sometimes be context dependent.
-Apigenin: certain studies to down‑regulate Nrf2 in cancer cells: Dose and context dependent .
-Oridonin:
-Wogonin: although its effects might be cell‑ and dose‑specific.
- Withaferin A

Scientific Papers found: Click to Expand⟱
3778- FA,    Recent Advances in the Neuroprotective Properties of Ferulic Acid in Alzheimer’s Disease: A Narrative Review
- Review, AD, NA
*neuroP↑, *Aβ↓, *antiOx↑, *Inflam↓, *ROS↓, *NF-kB↓, *NLRP3↓, *iNOS↓, *COX2↓, *TNF-α↓, *IL1β↓, *VCAM-1↓, *ICAM-1↓, *p‑MAPK?, *hepatoP↑, *TLR4↓, *PPARγ↑, *NRF2↑, *Fenton↓, *IronCh↑, *MDA↓, *HO-1↑, *Bil↑, *GCLC↑, *GCLM↑, *NQO1↑, *GutMicro↑, *SOD↑, *Ca+2↓, *lipid-P↓, *PGE2↓,
3714- FA,    Recent Advances in the Neuroprotective Properties of Ferulic Acid in Alzheimer's Disease: A Narrative Review
- Review, AD, NA
*antiOx↑, *Inflam↓, *neuroP↑, *NF-kB↓, *NLRP3↓, *iNOS↓, *COX2↓, *TNF-α↓, *IL1β↓, *VCAM-1↓, *ICAM-1↓, *p‑MAPK↓, *p38↓, *JNK↓, *IL6↓, *IL8↓, *hepatoP↑, *RenoP↑, *Catalase↑, *PPARγ↑, *ROS↓, *Fenton↓, *IronCh↑, *SOD↑, *MDA↓, *lipid-P↓, *NRF2↑, *HO-1↑, *ARE↑, *Bil↑, *radioP↑, *GCLC↑, *GCLM↑, *NQO1↑, *Half-Life↝, *GutMicro↑, *Aβ↓, *BDNF↑, *Ca+2↓, *lipid-P↓, *PGE2↓, *cognitive↑, *ChAT↑, *memory↑, *Dose↝, *toxicity↓,

Showing Research Papers: 1 to 2 of 2

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 2

Pathway results for Effect on Cancer / Diseased Cells:


Total Targets: 0

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress

antiOx↑, 2,   ARE↑, 1,   Bil↑, 2,   Catalase↑, 1,   Fenton↓, 2,   GCLC↑, 2,   GCLM↑, 2,   HO-1↑, 2,   lipid-P↓, 3,   MDA↓, 2,   NQO1↑, 2,   NRF2↑, 2,   ROS↓, 2,   SOD↑, 2,  

Metal & Cofactor Biology

IronCh↑, 2,  

Core Metabolism/Glycolysis

PPARγ↑, 2,  

Cell Death

iNOS↓, 2,   JNK↓, 1,   p‑MAPK?, 1,   p‑MAPK↓, 1,   p38↓, 1,  

Migration

Ca+2↓, 2,   VCAM-1↓, 2,  

Immune & Inflammatory Signaling

COX2↓, 2,   ICAM-1↓, 2,   IL1β↓, 2,   IL6↓, 1,   IL8↓, 1,   Inflam↓, 2,   NF-kB↓, 2,   PGE2↓, 2,   TLR4↓, 1,   TNF-α↓, 2,  

Synaptic & Neurotransmission

BDNF↑, 1,   ChAT↑, 1,  

Protein Aggregation

Aβ↓, 2,   NLRP3↓, 2,  

Drug Metabolism & Resistance

Dose↝, 1,   Half-Life↝, 1,  

Clinical Biomarkers

Bil↑, 2,   GutMicro↑, 2,   IL6↓, 1,  

Functional Outcomes

cognitive↑, 1,   hepatoP↑, 2,   memory↑, 1,   neuroP↑, 2,   radioP↑, 1,   RenoP↑, 1,   toxicity↓, 1,  
Total Targets: 49

Scientific Paper Hit Count for: NRF2, nuclear factor erythroid 2-related factor 2
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#:77  Target#:226  State#:%  Dir#:2
wNotes=0 sortOrder:rid,rpid

 

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