Database Query Results : Silymarin (Milk Thistle) silibinin, , radioP

SIL, Silymarin (Milk Thistle) silibinin: Click to Expand ⟱
Features:
Silymarin (Milk Thistle) Flowering herb related to daisy and ragweed family.
Silibinin (INN), also known as silybin is the major active constituent of silymarin, a standardized extract of the milk thistle seeds.
-a flavonoid combination of 65–80% of seven flavolignans; the most important of these include silybin, isosilybin, silychristin, isosilychristin, and silydianin. Silybin is the most abundant compound in around 50–70% in isoforms silybin A and silybin B

-Note half-life 6hrs?.
BioAv not soluble in water, low bioAv (1%). 240mg yielded only 0.34ug/ml plasma level. oral administration of SM (equivalent to 120 mg silibinin), total (unconjugated + conjugated) silibinin concentration in plasma was 1.1–1.3 μg/mL, so can not achieve levels used in most in-vitro studies.
Pathways:
- results for both inducing and reducing ROS in cancer cells. In normal cell seems to consistently lower ROS. Reports show both ROS↑ and ROS↓ in cancer models; systemic pro-oxidant effects may require higher exposures than typical oral dosing, but local or combination contexts may differ. (level in GUT could be much higher (800uM).
- ROS↑ related: MMP↓(ΔΨm), Ca+2↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑,
- Raises AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑,
- lowers Inflammation : NF-kB↓, COX2↓, p38↓(context-dependent; often stress-activated), Pro-Inflammatory Cytokines : NLRP3↓, IL-1β↓, TNF-α↓, IL-6↓, IL-8↓
- inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMPs↓, MMP2↓, MMP9↓, TIMP2, uPA↓, VEGF↓, FAK↓, NF-κB↓, CXCR4↓, TGF-β↓, α-SMA↓, ERK↓
- reactivate genes thereby inhibiting cancer cell growth : HDAC↓, DNMTs↓, P53↑, HSP↓,
- cause Cell cycle arrest : TumCCA↑, cyclin D1↓, cyclin E↓, CDK2↓, CDK4↓,
- inhibits Migration/Invasion : TumCMig↓, TumCI↓, TNF-α↓, FAK↓, ERK↓, EMT↓,
- inhibits glycolysis and ATP depletion : HIF-1α↓, PKM2↓, cMyc↓, GLUT1↓, LDH↓, LDHA↓, HK2↓, PFKs↓, GRP78↑(ER stress), Glucose↓, GlucoseCon↓
- inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, Notch↓, PDGF↓, EGFR↓,
- inhibits Cancer Stem Cells : CSC↓, Hh↓, GLi1↓, β-catenin↓, Notch2↓, OCT4↓,
- 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 TSF Primary Effect Notes / Interpretation
1 ROS / redox buffering + mitochondrial protection Often ↑ stress susceptibility; can support apoptosis when survival signaling is blocked ↓ oxidative stress; mitochondrial protection P, R, G Context-selective redox modulation Silymarin is classically cytoprotective/antioxidant in normal tissues (notably liver), while in tumors it can weaken pro-survival adaptation and increase vulnerability to stressors and therapy.
2 Intrinsic apoptosis (mitochondria → caspases) ↑ apoptosis signaling; ↑ caspase activation ↔ minimal activation G Cell death execution Common downstream outcome in cancer models: apoptosis increases after earlier signaling/redox shifts and/or checkpoint disruption.
3 Cell-cycle control (cyclins/CDKs; checkpoints) ↑ arrest (G1/S or G2/M depending on model) ↔ G Cytostasis Typically observed as reduced proliferation with checkpoint engagement; timing usually later than kinase phosphorylation changes.
4 NF-κB inflammatory transcription ↓ NF-κB activity; ↓ inflammatory/pro-survival tone ↔ or protective anti-inflammatory effect R, G Anti-inflammatory / anti-survival transcription NF-κB suppression can reduce tumor-promoting inflammation and blunt stress-adaptive survival programs.
5 JAK/STAT3 axis (incl. PD-L1 / immune escape programs in some models) ↓ STAT3 signaling (context); may ↓ PD-L1 in certain tumor contexts ↔ R, G Reduced survival + immune-evasion signaling Reported to attenuate STAT3-driven tumor programs and, in some contexts, reduce immune-suppressive signaling (model dependent).
6 PI3K → AKT → mTOR survival / growth signaling ↓ PI3K/AKT/mTOR signaling (context) ↔ R, G Growth/survival suppression Reduced PI3K/AKT/mTOR tone increases sensitivity to apoptosis and can reinforce cell-cycle arrest.
7 MAPK re-wiring (ERK/p38/JNK balance) Stress-MAPK shifts; ERK tone often reduced or re-patterned ↔ P, R, G Signal reprogramming Early phosphorylation shifts can precede later gene-expression changes; exact ERK direction is model and dose dependent.
8 Angiogenesis (VEGF and angiogenic factors) ↓ VEGF / angiogenesis outputs ↔ G Anti-angiogenic support Typically reflected in reduced pro-angiogenic expression/secretion and angiogenesis-related phenotypes over longer windows.
9 EMT / invasion / migration programs (incl. TGF-β/Smad-associated EMT in some systems) ↓ EMT markers; ↓ migration/invasion ↔ G Anti-invasive phenotype Often presents as restoration of epithelial markers and suppression of migration/invasion assays; commonly a later phenotype-level outcome.
10 Xenobiotic handling (Phase I/II enzymes; cytoprotection / chemoprevention framing) May alter carcinogen activation/detox balance ↑ detox / cytoprotection against xenobiotics G Chemopreventive protection A key “dual strategy” theme: protection of normal tissue from toxins/therapy while modulating tumor response pathways.
11 Drug resistance / efflux (MDR phenotype; P-gp-related resistance in some models) May ↓ functional MDR and ↑ chemo sensitivity (context) ↔ R, G Chemo-sensitization support Reported synergy with chemotherapy in resistant tumor settings; transporter direction can be context-specific, so present as “reported to reduce functional resistance” rather than a universal single-transporter claim.
12 Immune microenvironment signaling (cytokines / macrophage recruitment in some models) May ↓ pro-tumor cytokine programs and recruitment signals (context) ↔ G Anti-inflammatory tumor microenvironment shift Immune-modulatory effects are increasingly discussed, but they are more model-dependent and typically show on longer time scales.

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

  • P: 0–30 min (primary/physical–chemical effects; rapid signaling / phosphorylation shifts)
  • R: 30 min–3 hr (redox signaling + acute stress-response signaling)
  • G: >3 hr (gene-regulatory adaptation and phenotype-level outcomes)
radioP, RadioProtective: Click to Expand ⟱
Source:
Type:
Protect against the damaging effects of radiation therapy.
Scientific Papers found: Click to Expand⟱
3294- SIL,    Silymarin: a review on paving the way towards promising pharmacological agent
- Review, Nor, NA - Review, Arthritis, NA
*hepatoP↑, It improves hepatic function, lessens hepatotoxicity caused by high acetaminophen intake, and can lessen oxidative stress in experimental mice, according to a study on animals
*Inflam↓,
*chemoP↑, moreover reducing the side effect of chemotherapeutic agents.
*glucose↓, Silymarin is effective anti-diabetic as it lowers serum glucose levels thus preventing the development of diabetic nephropathy
*antiOx↑, Various studies revealed that Silymarin could exert antioxidant properties in several mechanisms, which includes direct hindrance in free radical production,
*ROS↓,
*ACC↓, down-regulation of acetyl-CoA carboxylase, fatty acid synthase, and peroxisome proliferator-activated receptor
*FASN↓,
*radioP↑, More studies have revealed radioprotective properties of Silymarin in the testis tissues of mice and rats
*NF-kB↓, Silymarin inhibits NF-kB, down-regulates TGF-ß1 mRNA
*TGF-β↓,
*AST↓, Silymarin significantly decreased the elevation of aspartate aminotransferase (AST), alanine aminotransferase, and alkaline phosphatase in serum, and also reversed the altered expressions of α-smooth muscle actin in fibrotic tissue
*α-SMA↝,
*eff↑, Okda et al.[Citation76] currently reported that silymarin with ginger has significantly decreased the severity and incidence of liver fibrosis.
*neuroP↑, Researchers demonstrated that silymarin inhibits microglia activation, and protects dopaminergic neurons from lipopolysaccharide (LPS)-induced neurotoxicity
eff↑, The Silymarin with a selenium dose of 570 mg/d, for 6 months caused no side effects and was effective in reducing prostate cancer growth
ROS↓, Silymarin shows anti-cancerous properties considered to be linked to oxidative stress inhibition, apoptosis induction, growth cycle arrest, and mitochondrial pathway inhibition

3293- SIL,    Silymarin (milk thistle extract) as a therapeutic agent in gastrointestinal cancer
- Review, Var, NA
hepatoP↑, Silymarin has been shown to protect the liver in both experimental models and clinical studies.
TumMeta↓, In addition to its anti-metastatic activity, silymarin has also been reported to exhibit anti-inflammatory activity
Inflam↓,
chemoP↑, The chemoprotective effects of silymarin and silibinin (its major constituent) suggest they could be applied to reduce the side effects and increase the anti-cancer effects of chemotherapy and radiotherapy in various cancer types, especially in GC
radioP↑,
Half-Life↝, silibinin showed a 6-h half-life
*GSTs↑, Oral administration of silibinin leads to an increase in glutathione S-transferase (GST) and quinone reductase (QR) activity in the liver, stomach, lungs, small bowel, and skin, in a time- and dose-dependent manner
p‑JNK↑, Silymarin significantly up-regulated the levels of phosphorylated (p)-JNK, Bax, and p-p38, and cleaved poly-ADP ribose polymerase (PARP), while it down-regulated Bcl-2 and p-ERK1/2 expression, in a dose-dependent manner.
BAX↑,
p‑p38↑,
cl‑PARP↑,
Bcl-2↓,
p‑ERK↓,
TumVol↓, Silymarin (100 mg/kg) decreased the tumor volume in an AGS xenograft mouse model and increased apoptosis in the tumors.
eff↑, resveratrol, lycopene, sulforaphane, or silybinin have been shown to have anti-tumor activity, along with relatively low-toxicity to normal cells. Therefore they could be used in combination
TumCCA↑, Silibinin induced apoptosis and cell cycle arrest in G2/M phase in MGC803 cells
STAT3↓, Silybinin down-regulated p-STAT3 protein expression and also its downstream genes (such as Mcl-1, survivin, Bcl-xL, and STAT3).
Mcl-1↓,
survivin↓,
Bcl-xL↓,
Casp3↑, Silibinin increased caspase-3 and caspase-9 mRNA and protein expression levels.
Casp9↑,
eff↑, Therefore, the anti-cancer activity of silibinin might be enhanced by HDAC inhibitors
CXCR4↓, Silymarin significantly induced apoptosis and decreased the expression level of CXCR-4 in HepG2 cells in a concentration-dependent manner.
Dose↝, It has been shown to be tolerated by patients at a large dose (700 mg) thrice per day over six months

3306- SIL,  Rad,    Radioprotective and radiosensitizing properties of silymarin/silibinin in response to ionizing radiation
- Review, Var, NA
radioP↑, Radioprotective and radiosensitizing properties of silymarin/silibinin in response to ionizing radiation
RadioS↑, graphical abstract
TumCMig↓, mechanisms for radiosensitization of silymarin/silibinin have been reported including suppression of migration and invasion of cancer cells, inhibition of angiogenesis, induction of apoptosis and cell cycle arrest, damage to DNA
TumCI↓,
angioG↓,
Apoptosis↑,
DNAdam↓,
ROS↑, increasing the formation of free radicals, and targeting some crucial pathways.
*ROS↓, The combination of silymarin/silibinin and irradiation decreases the toxicities caused by ionizing radiation because of their antioxidant, anti-apoptotic, anti-inflammatory and other properties.
*Inflam↓,

3303- SIL,    Exploring the anti-cancer and antimetastatic effect of Silymarin against lung cancer
- Review, Var, NA
chemoP↑, The chemo-protective effects of silymarin and silibinin propose that they could be applied to decrease the side effects and increase the anti-tumor effects of chemotherapy and radiotherapy in different types of cancers.
radioP↑,

3301- SIL,    Critical review of therapeutic potential of silymarin in cancer: A bioactive polyphenolic flavonoid
- Review, Var, NA
Inflam↓, graphical abstract
TumCCA↑,
Apoptosis↓,
TumMeta↓,
TumCG↓,
angioG↓,
chemoP↑, The chemo-protective effects of silymarin and silibinin propose that they could be applied to decrease the side effects and increase the anti-tumor effects of chemotherapy and radiotherapy in different types of cancers.
radioP↑,
p‑ERK↓, fig 2
p‑p38↓,
p‑JNK↓,
P53↑,
Bcl-2↓,
Bcl-xL↓,
TGF-β↓,
MMP2↓,
MMP9↓,
E-cadherin↑,
Wnt↓,
Vim↓,
VEGF↓,
IL6↓,
STAT3↓,
*ROS↓,
IL1β↓,
PGE2↓,
CDK1↓, Causes cell cycle arrest by down-regulating CDK1, cyclinB1, survivin, Bcl-xl, Mcl-1 and activating caspase 3 and caspase 9,
CycB/CCNB1↓,
survivin↓,
Mcl-1↓,
Casp3↑,
Casp9↑,
cMyc↓, Silibinin treatment diminishes c-MYC
COX2↓, Silibinin considerably down-regulated the expression of COX-2, HIF-1α, VEGF, Ang-2, Ang-4, MMP-2, MMP-9, CCR-2 and CXCR-4
Hif1a↓,
CXCR4↓,
CSCs↓, HCT-116 cells, Induction of apoptosis, suppression of migration, elimination of CSCs. Attenuation of EMT via decreased expression of N- cadherin and vimentin and increased expression of (E-cadherin).
EMT↓,
N-cadherin↓,
PCNA↓, Decrease in PCNA and cyclin D1 level.
cycD1/CCND1↓,
ROS↑, Hepatocellular carcinoma: Silymarin nanoemulsion reduced the cell viability and increased ROS intensity and chromatin condensation.
eff↑, Silymarin + Curcumin
eff↑, Silibinin + Metformin
eff↑, Silibinin + 1, 25-vitamin D3
HER2/EBBR2↓, Significant down regulation of HER2 by 150 and 250 µM of silybin after 24, 48 and 72 h.

3297- SIL,  Rad,    Studies on radiation sensitization efficacy by silymarin in colon carcinoma cells
- in-vitro, CRC, HCT15 - in-vitro, CRC, RKO
TumCP↓, Silymarin was found to reduce proliferation of the human colon carcinoma cells in a concentration and timedependent manner.
RadioS↑, Moreover, percentage of cell death was also increased in combined treatment (20µg/ml of silymarin + radiation)
TumCCA↑, combination increases the arrest of cells in G 2 /M phase of cell cycle, DNA damage induced decrease in MMP and a decrease of the reactive oxygen species (ROS) levels, which are associated with an increase in cell death
DNAdam↓,
MMP↓,
ROS↓,
*radioP↑, Noteworthy, since silymarin was previously shown to confer protection against radiation in at least some types of normal tissues


* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 6

Pathway results for Effect on Cancer / Diseased Cells:


Redox & Oxidative Stress ⓘ

ROS↓, 2,   ROS↑, 2,  

Mitochondria & Bioenergetics ⓘ

MMP↓, 1,  

Core Metabolism/Glycolysis ⓘ

cMyc↓, 1,  

Cell Death ⓘ

Apoptosis↓, 1,   Apoptosis↑, 1,   BAX↑, 1,   Bcl-2↓, 2,   Bcl-xL↓, 2,   Casp3↑, 2,   Casp9↑, 2,   p‑JNK↓, 1,   p‑JNK↑, 1,   Mcl-1↓, 2,   p‑p38↓, 1,   p‑p38↑, 1,   survivin↓, 2,  

Kinase & Signal Transduction ⓘ

HER2/EBBR2↓, 1,  

DNA Damage & Repair ⓘ

DNAdam↓, 2,   P53↑, 1,   cl‑PARP↑, 1,   PCNA↓, 1,  

Cell Cycle & Senescence ⓘ

CDK1↓, 1,   CycB/CCNB1↓, 1,   cycD1/CCND1↓, 1,   TumCCA↑, 3,  

Proliferation, Differentiation & Cell State ⓘ

CSCs↓, 1,   EMT↓, 1,   p‑ERK↓, 2,   STAT3↓, 2,   TumCG↓, 1,   Wnt↓, 1,  

Migration ⓘ

E-cadherin↑, 1,   MMP2↓, 1,   MMP9↓, 1,   N-cadherin↓, 1,   TGF-β↓, 1,   TumCI↓, 1,   TumCMig↓, 1,   TumCP↓, 1,   TumMeta↓, 2,   Vim↓, 1,  

Angiogenesis & Vasculature ⓘ

angioG↓, 2,   Hif1a↓, 1,   VEGF↓, 1,  

Immune & Inflammatory Signaling ⓘ

COX2↓, 1,   CXCR4↓, 2,   IL1β↓, 1,   IL6↓, 1,   Inflam↓, 2,   PGE2↓, 1,  

Drug Metabolism & Resistance ⓘ

Dose↝, 1,   eff↑, 6,   Half-Life↝, 1,   RadioS↑, 2,  

Clinical Biomarkers ⓘ

HER2/EBBR2↓, 1,   IL6↓, 1,  

Functional Outcomes ⓘ

chemoP↑, 3,   hepatoP↑, 1,   radioP↑, 4,   TumVol↓, 1,  
Total Targets: 61

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

antiOx↑, 1,   GSTs↑, 1,   ROS↓, 3,  

Core Metabolism/Glycolysis ⓘ

ACC↓, 1,   FASN↓, 1,   glucose↓, 1,  

Migration ⓘ

TGF-β↓, 1,   α-SMA↝, 1,  

Immune & Inflammatory Signaling ⓘ

Inflam↓, 2,   NF-kB↓, 1,  

Drug Metabolism & Resistance ⓘ

eff↑, 1,  

Clinical Biomarkers ⓘ

AST↓, 1,  

Functional Outcomes ⓘ

chemoP↑, 1,   hepatoP↑, 1,   neuroP↑, 1,   radioP↑, 2,  
Total Targets: 16

Scientific Paper Hit Count for: radioP, RadioProtective
6 Silymarin (Milk Thistle) silibinin
2 Radiotherapy/Radiation
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#:154  Target#:1185  State#:%  Dir#:%
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