condition found tbRes List
SK, Shikonin: Click to Expand ⟱
Features:
The (R)-enantiomer of alkannin is known as shikonin, and the racemic mixture of the two is known as shikalkin.
Shikonin is a naphthoquinone derivative primarily isolated from the roots of plants in the Boraginaceae family (e.g., Lithospermum erythrorhizon).
Shikonin is the main active component of a Chinese medicinal plant 'Zi Cao'
-Shikonin is a major component of zicao (purple gromwell, the dried root of Lithospermum erythrorhizon), a Chinese herbal medicine with anti-inflammatory properties
-Quinone methides (QMs) are highly reactive intermediates formed from natural compounds like shikonin
-ic50 cancer cells 1-10uM, normal cells >10uM

-known as Glycolysis inhibitor: ( inhibit pyruvate kinase M2 (PKM2*******), a key enzyme in the glycolytic pathway)

Available from mcsformulas.com Shikonin Pro Liposomal, 30 mg
Also In Glycolysis Inhibithree(100 mg PHLORIZIN,10 mg TANSHINONE IIA, 8 mg Shikonin)

-Note half-life15-30mins or 8hr?.
BioAv low, poor water solubility
Pathways:
- usually induce ROS production in cancer cells, and reduce ROS in normal cells.
- ROS↑ related: MMP↓(ΔΨm), ER Stress↑, GRP78↑, Ca+2↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓,
- Lowers AntiOxidant defense in Cancer Cells: NRF2↓, TrxR↓**, SOD↓, GSH↓ Catalase↓ GPx4↓
- 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↓, IGF-1↓, uPA↓, VEGF↓, FAK↓, NF-κB↓, TGF-β↓, ERK↓
- cause Cell cycle arrest : TumCCA↑, cyclin D1↓, cyclin E↓, CDK2↓, CDK4↓,
- inhibits Migration/Invasion : TumCMig↓, TumCI↓, FAK↓, ERK↓, EMT↓,
- inhibits glycolysis /Warburg Effect and ATP depletion : HIF-1α↓, PKM2↓, cMyc↓, GLUT1↓, LDH↓, LDHA↓, HK2↓, PFKs↓, PDKs↓, ECAR↓, OXPHOS↓, GRP78↑, GlucoseCon↓
- inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, EGFR↓, Integrins↓,
- Others: PI3K↓, AKT↓, JAK↓, STAT↓, β-catenin↓, AMPK, ERK↓, JNK, P53↑,
- Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, Others(review target notes), Neuroprotective, Cognitive, Renoprotection, Hepatoprotective, CardioProtective,

- Selectivity: Cancer Cells vs Normal Cells


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⟱
2222- SK,    The anti-tumor effect of shikonin on osteosarcoma by inducing RIP1 and RIP3 dependent necroptosis
- in-vitro, OS, U2OS - in-vitro, OS, 143B - in-vivo, NA, NA
Necroptosis↑, Shikonin induced necroptosis in osteosarcoma cells
RIP1↑, Shikonin induced necroptosis via upregulating RIP1 and RIP3
RIP3↑,
OS↑, Shikonin prolonged the survival of metastatic disease
P53↑, protein level of p53 was increased after treated with shikonin for 8 hours

2221- SK,    Shikonin Induces Apoptosis, Necrosis, and Premature Senescence of Human A549 Lung Cancer Cells through Upregulation of p53 Expression
- in-vitro, Lung, A549
Apoptosis↑, shikonin significantly induced cell apoptosis and reduced proliferation in a dose-dependent manner.
TumCP↓,
tumCV↓, shikonin (1–2.5 μg/mL) cause viability reduction
Necroptosis↑, while higher concentrations (5–10 μg/mL) precipitate both apoptosis and necrosis.
P53↑, via p53-mediated cell fate pathways
ROS↑, Its cytotoxic actions are largely through enhancing ROS generation to trigger caspase-dependent apoptosis and to downregulate nuclear factor-kappa B- (NF-kB-) mediated matrix metalloproteinase (MMP) expressions to reduce tumor survival and invasion
NF-kB↓,

3043- SK,    Shikonin Induces Apoptosis by Inhibiting Phosphorylation of IGF-1 Receptor in Myeloma Cells.
- in-vitro, Melanoma, RPMI-8226
IGF-1↓, Shikonin Induces Apoptosis by Inhibiting Phosphorylation of IGF-1 Receptor in Myeloma Cells
Apoptosis↑, Shikonin suppressed the cellular growth of RPMI8226 and IM9 myeloma cells, via induction of apoptosis in a dose (0–1 μM)- and time (0–24 h)-dependent manner.
TumCCA↑, Treatment with 0.5 μM Shikonin rapidly increased the population of cells in the G0/G1 phase with reduction of cells in the S phase
MMP↓, Shikonin-induced apoptosis was in association with the loss of mitochondrial transmembrane potentials, and activation of caspase-3.
Casp3↑,
P53↑, Expression of p53 and Bax proteins was increased with down-regulation of Mcl-1 protein
BAX↑,
Mcl-1↓,
EGFR↓, Shikonin has reported to be an inhibitor of protein tyrosine kinase such as EGFR, v-Src, and KDR/Flk-1.
Src↑,
KDR/FLK-1↓,
p‑IGF-1↓, Shikonin inhibited phosphorylation of IGF-1 receptor as early as 30 min with inhibition of PI3K/Akt signaling
PI3K↓,
Akt↓,

1346- SK,    An Oxidative Stress Mechanism of Shikonin in Human Glioma Cells
- in-vitro, GBM, U87MG - in-vitro, GBM, Hs683
NRF2↓, ROS production by shikonin resulted in the inhibition of nuclear translocation of Nrf2
ROS↑, ROS generation from mitochondrial complex II
Apoptosis↑,
Cyt‑c↑, release cytochrome c to the cytosol
GSH↓,
MMP↓,
P53↑,
HO-1⇅, In Hs683 cells, the expressions of γ-GCS and HO-1 were slightly inhibited by shikonin at 3 h. However, shikonin increased the expressions of γ-GCS, catalase, SOD-1 and HO-1 at 24 h.

1344- SK,    Novel multiple apoptotic mechanism of shikonin in human glioma cells
- in-vitro, GBM, U87MG - in-vitro, GBM, Hs683 - in-vitro, GBM, M059K
ROS↑,
GSH↓,
MMP↓,
P53↑, upregulation of p53,
cl‑PARP↑,
Catalase↓,
SOD1↑,
Bcl-2↓,
BAX↑,
eff↓, Pretreatment with NAC, PFT-α, or cyclosporin A causes the recovery of shikonin-induced apoptosis.

1280- SK,    Shikonin Induces Apoptotic Cell Death via Regulation of p53 and Nrf2 in AGS Human Stomach Carcinoma Cells
- in-vitro, GC, AGS
ROS↑, shikonin induced the generation of ROS as well as caspase 3-dependent apoptosis.
Casp3↑,
P53↑, shikonin induced p53 expression but repressed Nrf2 expression
NRF2↓, Nrf2/ARE signaling pathway may be inhibited by shikonin treatment, especially at high concentration of 250 nM

2197- SK,    Shikonin derivatives for cancer prevention and therapy
- Review, Var, NA
ROS↑, This compound accumulates in the mitochondria, which leads to the generation of reactive oxygen species (ROS), and deregulates intracellular Ca2+ levels.
Ca+2↑,
BAX↑, shikonin alone by increasing the expression of the pro-apoptotic Bax protein and decreasing the expression of the anti-apoptotic Bcl2 protein
Bcl-2↓,
MMP9↓, This treatment also inhibited metastasis by decreasing the expression of MMP-9 and NF-kB p65 without affecting MMP-2 expression.
NF-kB↓,
PKM2↓, Figure 4
Hif1a↓,
NRF2↓,
P53↑,
DNMT1↓,
MDR1↓,
COX2↓,
VEGF↓,
EMT↓,
MMP7↓,
MMP13↓,
uPA↓,
RIP1↑,
RIP3↑,
Casp3↑,
Casp7↑,
Casp9↑,
P21↓,
DFF45↓,
TRAIL↑,
PTEN↑,
mTOR↓,
AR↓,
FAK↓,
Src↓,
Myc↓,
RadioS↑, shikonin acted as a radiosensitizer because of the high ROS production it induced.


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

Results for Effect on Cancer/Diseased Cells:
Akt↓,1,   Apoptosis↑,3,   AR↓,1,   BAX↑,3,   Bcl-2↓,2,   Ca+2↑,1,   Casp3↑,3,   Casp7↑,1,   Casp9↑,1,   Catalase↓,1,   COX2↓,1,   Cyt‑c↑,1,   DFF45↓,1,   DNMT1↓,1,   eff↓,1,   EGFR↓,1,   EMT↓,1,   FAK↓,1,   GSH↓,2,   Hif1a↓,1,   HO-1⇅,1,   IGF-1↓,1,   p‑IGF-1↓,1,   KDR/FLK-1↓,1,   Mcl-1↓,1,   MDR1↓,1,   MMP↓,3,   MMP13↓,1,   MMP7↓,1,   MMP9↓,1,   mTOR↓,1,   Myc↓,1,   Necroptosis↑,2,   NF-kB↓,2,   NRF2↓,3,   OS↑,1,   P21↓,1,   P53↑,7,   cl‑PARP↑,1,   PI3K↓,1,   PKM2↓,1,   PTEN↑,1,   RadioS↑,1,   RIP1↑,2,   RIP3↑,2,   ROS↑,5,   SOD1↑,1,   Src↓,1,   Src↑,1,   TRAIL↑,1,   TumCCA↑,1,   TumCP↓,1,   tumCV↓,1,   uPA↓,1,   VEGF↓,1,  
Total Targets: 55

Results for Effect on Normal Cells:

Total Targets: 0

Scientific Paper Hit Count for: P53, P53-Guardian of the Genome
7 Shikonin
Filter Conditions: Pro/AntiFlg:%  IllCat:%  CanType:%  Cells:%  prod#:150  Target#:236  State#:%  Dir#:%
  wNotes=on  sortOrder:rid,rpid

 

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