Database Query Results : Silymarin (Milk Thistle) silibinin, , P53

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)

P53, P53-Guardian of the Genome: Click to Expand ⟱

Source: TCGA

Type: Proapototic

TP53 is the most commonly mutated gene in human cancer. TP53 is a gene that encodes for the p53 tumor suppressor protein ; TP73 (Chr.1p36.33) and TP63 (Chr.3q28) genes that encode transcription factors p73 and p63, respectively, are TP53 homologous structures.
p53 is a crucial tumor suppressor protein that plays a significant role in regulating the cell cycle, maintaining genomic stability, and preventing tumor formation. It is often referred to as the "guardian of the genome" due to its role in protecting cells from DNA damage and stress.
TP53 gene, which encodes the p53 protein, is one of the most frequently mutated genes in human cancers.
Overexpression of MDM2, an inhibitor of p53, can lead to decreased p53 activity even in the presence of wild-type p53.
In some cancers, particularly those with mutant p53, there may be an overexpression of the p53 protein.
Cancers with overexpression: Breast, lung, colorectal, overian, head and neck, Esophageal, bladder, pancreatic, and liver.

Scientific Papers found: Click to Expand⟱

399-

AgNPs,

SIL,

Cytotoxic potentials of silibinin assisted silver nanoparticles on human colorectal HT-29 cancer cells

in-vitro,

CRC,

HT-29

8 ng/mL

P53↑,

2410-

SIL,

Autophagy activated by silibinin contributes to glioma cell death via induction of oxidative stress-mediated BNIP3-dependent nuclear translocation of AIF

in-vitro,

GBM,

U87MG

in-vitro,

GBM,

U251

in-vivo,

NA,

nude mice

TumAuto↑, Mechanistically, silibinin activates autophagy through depleting ATP by suppressing glycolysis.
ATP↓,
Glycolysis↓, Silibinin suppressed glycolysis in glioma cells
H2O2↑, Then, autophagy improves intracellular H2O2 via promoting p53-mediated depletion of GSH and cysteine and downregulation of xCT
P53↑,
GSH↓,
xCT↓,
BNIP3↝, The increased H2O2 promotes silibinin-induced BNIP3 upregulation and translocation to mitochondria
MMP↑, silibinin-induced mitochondrial depolarization, accumulation of mitochondrial superoxide
mt-ROS↑,
mtDam↑, Autophagy contributed to silibinin-induced mitochondria damage
HK2↓, protein levels of HK II, PFKP, and PKM2 were all downregulated time-dependently by silibinin in U87, U251, SHG-44, and C6 glioma cells
PFKP↓,
PKM2↓, silibinin suppressed glycolysis via downregulation of HK II, PFKP, and PKM2.
TumCG↓, Silibinin inhibited glioma cell growth in vivo

3290-

SIL,

A review of therapeutic potentials of milk thistle (Silybum marianum L.) and its main constituent, silymarin, on cancer, and their related patents

Analysis,

Var,

hepatoP↑, well as hepatoprotective agents.
chemoP↑, silymarin could be beneficial to oncology patients, especially for the treatment of the side effects of anticancer chemotherapeutics.
*lipid-P↓, Silymarin has been shown to significantly reduce lipid peroxidation and exhibit anti-oxidant, antihypertensive, antidiabetic, and hepatoprotective effects
*antiOx↑,
tumCV↓, reduces the viability, adhesion, and migration of tumor cells by induction of apoptosis and formation of reactive oxygen species (ROS), reducing glutathione levels, B-cell lymphoma 2 (Bcl-2), survivin, cyclin D1, Notch 1 intracellular domain (NICD),
TumCMig↓,
Apoptosis↑,
ROS↑,
GSH↓,
Bcl-2↓,
survivin↓,
cycD1/CCND1↓,
NOTCH1↓,
BAX↑, as well as enhancing the amount of Bcl-2-associated X protein (Bax) level (
NF-kB↓, The suppression of NK-κB-regulated gene products (e.g., cyclooxygenase-2 (COX-2), lipoxygenase (LOX), inducible nitric oxide synthase (iNOS), tumor necrosis factor (TNF), and interleukin-1 (IL-1)) mediates the anti-inflammatory effect of silymarin
COX2↓,
LOX1↓,
iNOS↓,
TNF-α↓,
IL1↓,
Inflam↓,
*toxicity↓, Silymarin is also safe for humans, hence at therapeutic doses patients demonstrated no negative effects at the high dose of 700 mg, three times a day, for 24 weeks
CXCR4↓, fig 2
EGFR↓,
ERK↓,
MMP↓, reduction in mitochondrial transmembrane potential due to an increase in cytosolic cytochrome complex (Cyt c) levels.
Cyt‑c↑,
TumCCA↑, Moreover, silymarin increased the percentage of cells in the gap 0/gap 1 (G0/G1) phase and decreased the percentage of cells in the synthesis (S)-phase,
RB1↑, concomitant up-regulation of retinoblastoma protein (Rb), p53, cyclin-dependent kinase inhibitor 1 (p21Cip1), and cyclin-dependent kinase inhibitor 1B (p27Kip1)
P53↑,
P21↑,
p27↑,
cycE/CCNE↓, and down-regulation of cyclin D1, cyclin E, cyclin-dependent kinase 4 (CDK4), and phospho-Rb
CDK4↓,
p‑pRB↓,
Hif1a↓, silibinin inhibited proliferation of Hep3B cells due to simultaneous induction of apoptosis and prevented the accumulation
cMyc↓, Silibinin also reduces cellular myelocytomatosis oncogene (c-MYC) expression, a key regulator of cancer metabolism in pancreatic cancer cells
IL1β↓, Silymarin can also inhibit the production of inflammatory cytokines, such as interleukin-1beta (IL-1β), interferon-gamma (IFNγ),
IFN-γ↓,
PCNA↓, ilymarin suppresses the high proliferative activity of cells started with a carcinogen so that it significantly inhibits proliferating cell nuclear antigen (PCNA) and cyclin D1 labeling indices
PSA↓, In another patent, S. marianum has been used as an estrogen receptor β-agonist and an inhibitor of PSA for treating prostate cancer
CYP1A1↓, Silymarin prevents the expression of CYP1A1 and COX-2

3288-

SIL,

Silymarin in cancer therapy: Mechanisms of action, protective roles in chemotherapy-induced toxicity, and nanoformulations

Review,

Var,

Inflam↓, Silymarin, a milk thistle extract, has anti-inflammatory, immunomodulatory, anti-lipid peroxidative, anti-fibrotic, anti-oxidative, and anti-proliferative properties.
lipid-P↓,
TumMeta↓, Silymarin exhibits not only anti-cancer functions through modulating various hallmarks of cancer, including cell cycle, metastasis, angiogenesis, apoptosis, and autophagy, by targeting a plethora of molecules
angioG↓,
chemoP↑, but also plays protective roles against chemotherapy-induced toxicity, such as nephrotoxicity,
EMT↓, Figure 2, Metastasis
HDAC↓,
HATs↑,
MMPs↓,
uPA↓,
PI3K↓,
Akt↓,
VEGF↓, Angiogenesis
CD31↓,
Hif1a↓,
VEGFR2↓,
Raf↓,
MEK↓,
ERK↓,
BIM↓, apoptosis
BAX↑,
Bcl-2↓,
Bcl-xL↓,
Casp↑,
MAPK↓,
P53↑,
LC3II↑, Autophagy
mTOR↓,
YAP/TEAD↓,
*BioAv↓, Additionally, the oral bioavailability of silymarin in rats is only 0.73 %
MMP↓, silymarin treatment reduced mitochondrial transmembrane potential, leading to an increase in cytosolic cytochrome c (Cyt c), downregulating proliferation-associated proteins (PCNA, c-Myc, cyclin D1, and β-catenin)
Cyt‑c↑,
PCNA↓,
cMyc↓,
cycD1/CCND1↓,
β-catenin/ZEB1↓,
survivin↓, and anti-apoptotic proteins (survivin and Bcl-2), and upregulating pro-apoptotic proteins (caspase-3, Bax, APAF-1, and p53)
APAF1↑,
Casp3↑,
MDSCs↓, ↓MDSCs, ↓IL-10, ↑IL-2 and IFN-γ
IL10↓,
IL2↑,
IFN-γ↑,
hepatoP↑, Moreover, in a randomized clinical trial, silymarin attenuated hepatoxicity in non-metastatic breast cancer patients undergoing a doxorubicin/cyclophosphamide-paclitaxel regimen
cardioP↑, For example, Rašković et al. studied the hepatoprotective and cardioprotective effects of silymarin (60 mg/kg orally) in rats following DOX
GSH↑, silymarin could protect the kidney and heart from ADR toxicity by protecting against glutathione (GSH) depletion and inhibiting lipid peroxidation
neuroP↑, silymarin attenuated the neurotoxicity of docetaxel by reducing apoptosis, inflammation, and oxidative stress

978-

SIL,

A comprehensive evaluation of the therapeutic potential of silibinin: a ray of hope in cancer treatment

Review,

NA,

10uM

 200 to 570 μM

PI3K↓,
Akt↓,
NF-kB↓,
Wnt/(β-catenin)↓,
MAPK↓,
TumCP↓,
TumCCA↑, G0/G1 cell cycle arrest
Apoptosis↑, In T24 and UM-UC-3 human bladder cancer cells, silibinin treatment at a concentration of 10 μM significantly inhibited proliferation, migration, invasion, and induced apoptosis.
p‑EGFR↓,
JAK2↓,
STAT5↓,
cycD1/CCND1↓,
hTERT/TERT↓,
AP-1↓,
MMP9↓,
miR-21↓,
miR-155↓,
Casp9↑,
BID↑,
ERK↓, ERK1/2
Akt2↓,
DNMT1↓,
P53↑,
survivin↓,
Casp3↑,
ROS↑, cytotoxicity of silibinin in Hep-2 cells was associated with the accumulation of intracellular reactive oxygen species (ROS), which could be mitigated by the ROS scavenger NAC.

3301-

SIL,

Critical review of therapeutic potential of silymarin in cancer: A bioactive polyphenolic flavonoid

Review,

Var,

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.

3296-

SIL,

Silibinin induces oral cancer cell apoptosis and reactive oxygen species generation by activating the JNK/c-Jun pathway

in-vitro,

Oral,

Ca9-22

 0, 50, 100, 200 μM silibinin for 48 h

in-vivo,

Oral,

YD10B

TumCP↓, Silibinin effectively suppressed YD10B and Ca9-22 cell proliferation and colony formation in a dose-dependent manner.
TumCCA↑, Moreover, it induced cell cycle arrest in the G0/G1 phase, apoptosis, and ROS generation in these cells.
ROS↑,
SOD1↓, silibinin downregulated SOD1 and SOD2 and triggered the JNK/c-Jun pathway in oral cancer cells.
SOD2↓,
*JNK↑, inducing apoptosis, G0/G1 arrest, ROS generation, and activation of the JNK/c-Jun pathway.
toxicity?, Silibinin significantly inhibited xenograft tumor growth in nude mice, with no obvious toxicity.
TumCMig↓, Silibinin inhibits oral cancer cell migration and invasion
TumCI↓,
N-cadherin↓, silibinin downregulated N-cadherin and vimentin expression and upregulated E-cadherin expression in YD10B and Ca9-22 cells
Vim↓,
E-cadherin↑,
EMT↓, Together, these results indicate that silibinin inhibits the migration and invasion of oral cancer cells by suppressing the EMT.
P53↑, silibinin significantly induced the expression of p53, cleaved caspase-3, cleaved PARP, and Bax, and downregulated the expression of the anti-apoptotic marker protein Bcl-2
cl‑Casp3↑,
cl‑PARP↑,
BAX↑,
Bcl-2↓,
SOD↓, silibinin inhibits SOD expression, induces ROS production, and activates the JNK/c-Jun pathway in oral cancer cells.

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 7

Pathway results for Effect on Cancer / Diseased Cells:

Pathway results for Effect on Normal Cells:

Redox & Oxidative Stress ⓘ

antiOx↑, 1, lipid-P↓, 1, ROS↓, 1,

Cell Death ⓘ

JNK↑, 1,

Drug Metabolism & Resistance ⓘ

BioAv↓, 1,

Functional Outcomes ⓘ

toxicity↓, 1,
Total Targets: 6

Scientific Paper Hit Count for: P53, P53-Guardian of the Genome

7 Silymarin (Milk Thistle) silibinin
1 Silver-NanoParticles

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#:236  State#:%  Dir#:%
  wNotes=on  sortOrder:rid,rpid

Database Query Results : Silymarin (Milk Thistle) silibinin, , P53

Pathway results for Effect on Cancer / Diseased Cells:

Redox & Oxidative Stress ⓘ

Mitochondria & Bioenergetics ⓘ

Core Metabolism/Glycolysis ⓘ

Cell Death ⓘ

Kinase & Signal Transduction ⓘ

Transcription & Epigenetics ⓘ

Autophagy & Lysosomes ⓘ

DNA Damage & Repair ⓘ

Cell Cycle & Senescence ⓘ

Proliferation, Differentiation & Cell State ⓘ

Migration ⓘ

Angiogenesis & Vasculature ⓘ

Immune & Inflammatory Signaling ⓘ

Drug Metabolism & Resistance ⓘ

Clinical Biomarkers ⓘ

Functional Outcomes ⓘ

Pathway results for Effect on Normal Cells:

Redox & Oxidative Stress ⓘ

Cell Death ⓘ

Drug Metabolism & Resistance ⓘ

Functional Outcomes ⓘ

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