Lycopene / Half-Life Cancer Research Results

Lyco, Lycopene: Click to Expand ⟱
Features:
Lycopene is a naturally occurring carotenoid found predominantly in tomatoes and other red fruits and vegetables.

Antioxidant Properties:
-Lycopene is a powerful antioxidant. It helps neutralize free radicals, which can reduce oxidative stress—a factor implicated in cancer development. Possible concern about interfering with chemotherapy and radiation therapy. However this review disagrees.
Inflammation Reduction:
-Some studies suggest that lycopene may help lower levels of inflammation, another process linked to cancer progression

At supraphysiological or extremely high concentrations, lycopene may have the potential to switch from an antioxidant to a prooxidant role
-The prooxidant effect of lycopene has been observed under conditions of high oxygen tension. In vitro studies have suggested that in environments with elevated oxygen levels, lycopene might promote rather than neutralize the production of reactive oxygen species (ROS).
-The presence of metal ions (such as iron or copper) in the environment can catalyze reactions where antioxidants, including lycopene, contribute to oxidative processes. These metals can interact with lycopene, potentially leading to the formation of radicals.

The mevalonate pathway produces cholesterol and a variety of isoprenoids, which are important for maintaining cell membrane integrity, protein prenylation, and other essential cellular functions.
-One of the primary enzymes in this pathway is HMG-CoA reductase (3-hydroxy-3-methylglutaryl-coenzyme A reductase), which is the target of statin drugs used for lowering cholesterol. Some studies suggest that lycopene might downregulate the activity of HMG-CoA reductase or other enzymes in the mevalonate pathway. By doing so, lycopene could potentially reduce the synthesis of cholesterol and isoprenoids that are necessary for rapid cell proliferation—an especially relevant aspect in cancer cells.

Lycopene typically used in a 100mg/day range for cancer (inhibition of the the Melavonate Pathway)
-also has antiplatelet aggregation capability.

-Note half-life 16–20 days.
BioAv Heat processing, especially when combined with a small amount of fat, significantly enhances lycopene’s bioaccessibility and absorption. (20% under optimal conditions)
Pathways:
- ROS usually goes down, but may go up or down depending on dose and environment. Lycopene may also be modified to be a "oxdiative product" which may change the behaviour.
- Raises AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑,
- lowers Inflammation : NF-kB↓, COX2↓, p38↓, Pro-Inflammatory Cytokines : NLRP3↓, IL-1β↓, TNF-α↓, IL-6↓, IL-8↓
- inhibit Growth/Metastases : EMT↓, MMPs↓, MMP9↓, IGF-1↓, uPA↓, VEGF↓, ROCK1↓, FAK↓, RhoA↓, NF-κB↓, ERK↓
- reactivate genes thereby inhibiting cancer cell growth : EZH2↓, P53↑, Sp proteins↓,
- cause Cell cycle arrest : TumCCA↑, cyclin D1↓, cyclin E↓, CDK2↓, CDK4↓,
- inhibits Migration/Invasion : TumCMig↓, TumCI↓, TNF-α↓, FAK↓, ERK↓, EMT↓,
- inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, Integrins↓,
- Others: PI3K↓, AKT↓, JAK↓, STAT↓, Wnt↓, β-catenin↓, AMPK, ERK↓, JNK, - SREBP (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 Reactive oxygen species (ROS) ↓ ROS ↓ ROS Driver Potent antioxidant activity Lycopene is a strong singlet-oxygen quencher with antioxidant dominance
2 IGF-1 / PI3K → AKT signaling ↓ IGF-1 signaling; ↓ AKT ↔ minimal Secondary Growth factor signaling attenuation Reduced IGF-1–driven proliferation is a key cancer-relevant effect
3 Cell cycle regulation ↑ G0/G1 arrest ↔ spared Phenotypic Cytostatic growth control Cell-cycle effects reflect growth factor modulation
4 Gap junction communication (connexins) ↑ gap junction signaling ↑ gap junction signaling Secondary Normalization of cell–cell communication Enhanced gap junctions are associated with reduced tumor progression
5 NF-κB / inflammatory signaling ↓ inflammatory signaling ↓ inflammatory tone Secondary Anti-inflammatory environment Inflammation reduction contributes to chemopreventive effects


Half-Life, Half-Life: Click to Expand ⟱
Source:
Type:
For many drugs, the half-life is the time it takes for half of the drug’s active substance to be eliminated from the bloodstream.
In medicine, knowing a drug’s half-life helps in designing treatment regimens that reduce adverse effects.
Scientific Papers found: Click to Expand⟱
3528- Lyco,    The Importance of Antioxidant Activity for the Health-Promoting Effect of Lycopene
- Review, Nor, NA - Review, AD, NA - Review, Park, NA
*antiOx↑, the antioxidant effect of lycopene
*ROS↓, Lycopene has the ability to reduce reactive oxygen species (ROS) and eliminate singlet oxygen, nitrogen dioxide, hydroxyl radicals, and hydrogen peroxide
*BioAv↝, human body cannot synthesize lycopene. It must be supplied with the diet
*Half-Life↑, half-life of lycopene in human plasma is 12–33 days
*BioAv↓, bioavailability decreases with age and in the case of certain diseases
*BioAv↑, heat treatment process of food increases the bioavailability of lycopene
*cardioP↑, positive effect on cardiovascular diseases, including the regulation of blood lipid levels
*neuroP↑, beneficial effects in nervous system disorders, including neurodegenerative diseases such as Parkinson′s disease and Alzheimer′s disease
*H2O2↓, Lycopene has the ability to reduce reactive oxygen species (ROS) and eliminate singlet oxygen, nitrogen dioxide, hydroxyl radicals, and hydrogen peroxide
*VitC↑, ability to regenerate non-enzymatic antioxidants such as vitamin C and E.
*VitE↑,
*GPx↑, increase in cardiac GSH-Px activity and an increase in cardiac GSH levels
*GSH↑,
*MPO↓, also a decrease in the level of cardiac myeloperoxidase (MPO), cardiac H2O2, and a decrease in cardiac glutathione S transferase (GSH-ST) activity.
*GSTs↓,
*SOD↑, increasing the activity of GSH-Px and SOD in the liver
*NF-kB↓, reducing the expression of NF-κB mRNA in the heart
*IL1β↓, decreased the level of IL-1β and IL-6 and increased the level of anti-inflammatory IL-10 in the heart
*IL6↓,
*IL10↑,
*MAPK↓, inhibited the activation of the ROS-dependent pro-hypertrophic mitogen-activated protein kinase (MAPK) and protein kinase B (Akt) signaling pathways.
*Akt↓,
*COX2↓, decrease in the levels of pro-inflammatory mediators in heart: COX-2, TNF-α, IL-6, and IL-1β and an increase in the anti-inflammatory cardiac TGF-β1.
*TNF-α↓,
*TGF-β1↑,
*NO↓, reduced NO levels in heart and cardiac NOS activity
*GSR↑, increase in the level of cardiac and hepatic SOD, CAT, GSH, GPx, and glutathione reductase (GR)
*NRF2↑, It also activated nuclear factor-erythroid 2 related factor 2 (Nrf2). This affected the downstream expression of HO-1 [97].
*HO-1↑,
*TAC↑, Researchers observed an increase in the liver in TAC and GSH levels and an increase in GSH-Px and SOD activity
*Inflam↓, study showed that lycopene was anti-inflammatory
*BBB↑, Lycopene is a lipophilic compound, which makes it easier to penetrate the blood–brain barrier.
*neuroP↑, Lycopene had also a neuroprotective effect by restoring the balance of the NF-κB/Nrf2 pathway.
*memory↑, lycopene on LPS-induced neuroinflammation and oxidative stress in C57BL/6J mice. The tested carotenoid prevented memory loss

1710- Lyco,    Lycopene: A Natural Arsenal in the War against Oxidative Stress and Cardiovascular Diseases
- Review, CardioV, NA
antiOx↓, Lycopene is a potent antioxidant that fights ROS and, subsequently, complications.
ROS↓,
BP↓, It reduces blood pressure via inhibiting the angiotensin-converting enzyme and regulating nitrous oxide bioavailability.
LDL↓, important role in lowering of LDL (low-density lipoproteins) and improving HDL (high-density lipoproteins) levels to minimize atherosclerosis
*toxicity∅, Lycopene is a natural substance that may be used in high doses as a dietary supplement without causing harm to human health or physiology
eff↑, Thermal food processing, particularly in the presence of cooking oils, causes lycopene to micellize and enhance its intestinal absorption rate by a factor of ten
ROS↑, As a pro-oxidant, lycopene may have both good and negative impacts in biological systems, as well as influence the course of human illnesses.
*Half-Life↑, Plasma lycopene has a half-life of 12–33 days in the human body
*BioAv↓, Tomato lycopene is not easily absorbed since it is integrated into the nutritional matrix.
*BioAv↑, Clinical research demonstrates that heat-processed tomato products absorb lycopene more quickly than raw sources, and that adding oil increases absorption
*antiOx↑, Lycopene’s ability to protect against oxidative stress has been established


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:


Redox & Oxidative Stress ⓘ

antiOx↓, 1,   ROS↓, 1,   ROS↑, 1,  

Core Metabolism/Glycolysis ⓘ

LDL↓, 1,  

Drug Metabolism & Resistance ⓘ

eff↑, 1,  

Clinical Biomarkers ⓘ

BP↓, 1,  
Total Targets: 6

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

antiOx↑, 2,   GPx↑, 1,   GSH↑, 1,   GSR↑, 1,   GSTs↓, 1,   H2O2↓, 1,   HO-1↑, 1,   MPO↓, 1,   NRF2↑, 1,   ROS↓, 1,   SOD↑, 1,   TAC↑, 1,   VitC↑, 1,   VitE↑, 1,  

Cell Death ⓘ

Akt↓, 1,   MAPK↓, 1,  

Migration ⓘ

TGF-β1↑, 1,  

Angiogenesis & Vasculature ⓘ

NO↓, 1,  

Barriers & Transport ⓘ

BBB↑, 1,  

Immune & Inflammatory Signaling ⓘ

COX2↓, 1,   IL10↑, 1,   IL1β↓, 1,   IL6↓, 1,   Inflam↓, 1,   NF-kB↓, 1,   TNF-α↓, 1,  

Drug Metabolism & Resistance ⓘ

BioAv↓, 2,   BioAv↑, 2,   BioAv↝, 1,   Half-Life↑, 2,  

Clinical Biomarkers ⓘ

IL6↓, 1,  

Functional Outcomes ⓘ

cardioP↑, 1,   memory↑, 1,   neuroP↑, 2,   toxicity∅, 1,  
Total Targets: 35

Scientific Paper Hit Count for: Half-Life, Half-Life
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#:119  Target#:1109  State#:%  Dir#:%
  wNotes=on  sortOrder:rid,rpid

 

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