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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 bioA (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 on acheive 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. Given low bioavailability seems unlikely one could acheieve levels in vivo to raise ROS(except 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↓, 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↓, OXPHOS↓, GRP78↑, 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 |
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Neuroprotective refers to the ability of a substance, intervention, or strategy to preserve the structure and function of nerve cells (neurons) against injury or degeneration. -While cancer and neurodegenerative processes might seem distinct, there is significant overlap in terms of treatment-related neurotoxicity, shared molecular mechanisms, and the potential for therapies that provide neuroprotection during cancer treatment. |
3330- | SIL, | Mechanistic Insights into the Pharmacological Significance of Silymarin |
- | Review, | Var, | NA |
3324- | SIL, | Silymarin prevents NLRP3 inflammasome activation and protects against intracerebral hemorrhage |
3321- | SIL, | Silymarin (Milk thistle) |
- | Review, | AD, | NA |
3320- | SIL, | Neuroprotective Potential of Silymarin against CNS Disorders: Insight into the Pathways and Molecular Mechanisms of Action |
- | Review, | AD, | NA |
3319- | SIL, | Silymarin and neurodegenerative diseases: Therapeutic potential and basic molecular mechanisms |
- | Review, | AD, | NA | - | Review, | Park, | NA | - | Review, | Stroke, | NA |
3318- | SIL, | Pharmaceutical prospects of Silymarin for the treatment of neurological patients: an updated insight |
- | Review, | AD, | NA | - | Review, | Park, | NA |
3317- | SIL, | Unlocking the Neuroprotective Potential of Silymarin: A Promising Ally in Safeguarding the Brain from Alzheimer's Disease and Other Neurological Disorders |
- | Review, | NA, | NA |
3316- | SIL, | Chemo, | Silymarin Nanoparticles Counteract Cognitive Impairment Induced by Doxorubicin and Cyclophosphamide in Rats; Insights into Mitochondrial Dysfunction and Nrf2/HO-1 Axis |
3315- | SIL, | Silymarin alleviates docetaxel-induced central and peripheral neurotoxicity by reducing oxidative stress, inflammation and apoptosis in rats |
- | in-vivo, | Nor, | NA |
3655- | SIL, | Protective effect of silymarin on oxidative stress in rat brain |
- | in-vivo, | AD, | NA |
3654- | SIL, | Effect of silymarin on biochemical parameters of oxidative stress in aged and young rat brain |
- | in-vivo, | AD, | NA |
3653- | SIL, | Silibinin ameliorates Aβ25-35-induced memory deficits in rats by modulating autophagy and attenuating neuroinflammation as well as oxidative stress |
- | in-vivo, | AD, | NA |
3331- | SIL, | The clinical anti-inflammatory effects and underlying mechanisms of silymarin |
- | Review, | NA, | NA |
3294- | SIL, | Silymarin: a review on paving the way towards promising pharmacological agent |
- | Review, | Nor, | NA | - | Review, | Arthritis, | NA |
3288- | SIL, | Silymarin in cancer therapy: Mechanisms of action, protective roles in chemotherapy-induced toxicity, and nanoformulations |
- | Review, | Var, | NA |
3307- | SIL, | Flavolignans from Silymarin as Nrf2 Bioactivators and Their Therapeutic Applications |
- | Review, | Var, | NA |
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