Chk2 Cancer Research Results

Chk2, Checkpoint Kinase 2: Click to Expand ⟱
Source:
Type: protein
Chk2: a protein that plays a crucial role in the regulation of the cell cycle and the response to DNA damage. It is a tumor suppressor gene that helps to prevent cancer by ensuring that cells with damaged DNA do not divide and proliferate.
Chk2 is activated in response to DNA damage, such as that caused by ionizing radiation or certain chemicals. Once activated, Chk2 phosphorylates and activates other proteins that help to repair DNA damage or induce cell death (apoptosis) if the damage is too severe.
Decreased expression or loss of function of CHK2 is often associated with more aggressive tumor behavior, increased invasiveness, and poorer prognosis across various cancer types. CHK2 plays a crucial role in maintaining genomic stability, and its dysfunction can lead to increased susceptibility to DNA damage and tumorigenesis.
Scientific Papers found: Click to Expand⟱
573- ART/DHA,    Artesunate suppresses tumor growth and induces apoptosis through the modulation of multiple oncogenic cascades in a chronic myeloid leukemia xenograft mouse model
- vitro+vivo, NA, NA
p‑p38↓,
p‑ERK↓,
p‑CREB↓,
p‑Chk2↓,
p‑STAT5↓,
p‑RSK↓,
SOCS1↑,
Apoptosis↑,
Casp3↑,

3160- Ash,    Withaferin A: A Pleiotropic Anticancer Agent from the Indian Medicinal Plant Withania somnifera (L.) Dunal
- Review, Var, NA
TumCCA↑, withaferin A suppressed cell proliferation in prostate, ovarian, breast, gastric, leukemic, and melanoma cancer cells and osteosarcomas by stimulating the inhibition of the cell cycle at several stages, including G0/G1 [86], G2, and M phase
H3↑, via the upregulation of phosphorylated Aurora B, H3, p21, and Wee-1, and the downregulation of A2, B1, and E2 cyclins, Cdc2 (Tyr15), phosphorylated Chk1, and Chk2 in DU-145 and PC-3 prostate cancer cells.
P21↑,
cycA1/CCNA1↓,
CycB/CCNB1↓,
cycE/CCNE↓,
CDC2↓,
CHK1↓,
Chk2↓,
p38↑, nitiated cell death in the leukemia cells by increasing the expression of p38 mitogen-activated protein kinases (MAPK)
MAPK↑,
E6↓, educed the expression of human papillomavirus E6/E7 oncogenes in cervical cancer cells
E7↓,
P53↑, restored the p53 pathway causing the apoptosis of cervical cancer cells.
Akt↓, oral dose of 3–5 mg/kg withaferin A attenuated the activation of Akt and stimulated Forkhead Box-O3a (FOXO3a)-mediated prostate apoptotic response-4 (Par-4) activation,
FOXO3↑,
ROS↑, the generation of reactive oxygen species, histone H2AX phosphorylation, and mitochondrial membrane depolarization, indicating that withaferin A can cause the oxidative stress-mediated killing of oral cancer cells [
γH2AX↑,
MMP↓,
mitResp↓, withaferin A inhibited the expansion of MCF-7 and MDA-MB-231 human breast cancer cells by ROS production, owing to mitochondrial respiration inhibition
eff↑, combination treatment of withaferin A and hyperthermia induced the death of HeLa cells via a decrease in the mitochondrial transmembrane potential and the downregulation of the antiapoptotic protein myeloid-cell leukemia 1 (MCL-1)
TumCD↑,
Mcl-1↓,
ER Stress↑, . Withaferin A also attenuated the development of glioblastoma multiforme (GBM), both in vitro and in vivo, by inducing endoplasmic reticulum stress via activating the transcription factor 4-ATF3-C/EBP homologous protein (ATF4-ATF3-CHOP)
ATF4↑,
ATF3↑,
CHOP↑,
NOTCH↓, modulating the Notch-1 signaling pathway and the downregulation of Akt/NF-κB/Bcl-2 . withaferin A inhibited the Notch signaling pathway
NF-kB↓,
Bcl-2↓,
STAT3↓, Withaferin A also constitutively inhibited interleukin-6-induced phosphorylation of STAT3,
CDK1↓, lowering the levels of cyclin-dependent Cdk1, Cdc25C, and Cdc25B proteins,
β-catenin/ZEB1↓, downregulation of p-Akt expression, β-catenin, N-cadherin and epithelial to the mesenchymal transition (EMT) markers
N-cadherin↓,
EMT↓,
Cyt‑c↑, depolarization and production of ROS, which led to the release of cytochrome c into the cytosol,
eff↑, combinatorial effect of withaferin A and sulforaphane was also observed in MDA-MB-231 and MCF-7 breast cancer cells, with a dramatic reduction of the expression of the antiapoptotic protein Bcl-2 and an increase in the pro-apoptotic Bax level, thus p
CDK4↓, downregulates the levels of cyclin D1, CDK4, and pRB, and upregulates the levels of E2F mRNA and tumor suppressor p21, independently of p53
p‑RB1↓,
PARP↑, upregulation of Bax and cytochrome c, downregulation of Bcl-2, and activation of PARP, caspase-3, and caspase-9 cleavage
cl‑Casp3↑,
cl‑Casp9↑,
NRF2↑, withaferin A binding with Keap1 causes an increase in the nuclear factor erythroid 2-related factor 2 (Nrf2) protein levels, which in turn, regulates the expression of antioxidant proteins that can protect the cells from oxidative stress.
ER-α36↓, Decreased ER-α
LDHA↓, inhibited growth, LDHA activity, and apoptotic induction
lipid-P↑, induction of oxidative stress, increased lipid peroxidation,
AP-1↓, anti-inflammatory qualities of withaferin A are specifically attributed to its inhibition of pro-inflammatory molecules, α-2 macroglobulin, NF-κB, activator protein 1 (AP-1), and cyclooxygenase-2 (COX-2) inhibition,
COX2↓,
RenoP↑, showing strong evidence of the renoprotective potential of withaferin A due to its anti-inflammatory activity
PDGFR-BB↓, attenuating the BB-(PDGF-BB) platelet growth factor
SIRT3↑, by increasing the sirtuin3 (SIRT3) expression
MMP2↓, withaferin A inhibits matrix metalloproteinase-2 (MMP-2) and MMP-9,
MMP9↓,
NADPH↑, but also provokes mRNA stimulation for a set of antioxidant genes, such as NADPH quinone dehydrogenase 1 (NQO1), glutathione-disulfide reductase (GSR), Nrf2, heme oxygenase 1 (HMOX1),
NQO1↑,
GSR↑,
HO-1↑,
*SOD2↑, cardiac ischemia-reperfusion injury model. Withaferin A triggered the upregulation of superoxide dismutase SOD2, SOD3, and peroxiredoxin 1(Prdx-1).
*Prx↑,
*Casp3?, and ameliorated cardiomyocyte caspase-3 activity
eff↑, combination with doxorubicin (DOX), is also responsible for the excessive generation of ROS
Snail↓, inhibition of EMT markers, such as Snail, Slug, β-catenin, and vimentin.
Slug↓,
Vim↓,
CSCs↓, highly effective in eliminating cancer stem cells (CSC) that expressed cell surface markers, such as CD24, CD34, CD44, CD117, and Oct4 while downregulating Notch1, Hes1, and Hey1 genes;
HEY1↓,
MMPs↓, downregulate the expression of MMPs and VEGF, as well as reduce vimentin, N-cadherin cytoskeleton proteins,
VEGF↓,
uPA↓, and protease u-PA involved in the cancer cell metastasis
*toxicity↓, A was orally administered to Wistar rats at a dose of 2000 mg/kg/day and had no adverse effects on the animals
CDK2↓, downregulated the activation of Bcl-2, CDK2, and cyclin D1
CDK4↓, Another study also demonstrated the inhibition of Hsp90 by withaferin A in a pancreatic cancer cell line through the degradation of Akt, cyclin-dependent kinase 4 Cdk4,
HSP90↓,

3277- Lyco,    Recent trends and advances in the epidemiology, synergism, and delivery system of lycopene as an anti-cancer agent
- Review, Var, NA
antiOx↑, lycopene provides a strong antioxidant activity that is 100 times more effective than α-tocopherol and more than double effective that of β-carotene
TumCP↓, In vivo and in vitro experiments have demonstrated that lycopene at near physiological levels (0.5−2 μM) could inhibit cancer cell proliferation [[22], [23], [24]], induce apoptosis [[25], [26], [27]], and suppress metastasis [
Apoptosis↑,
TumMeta↑,
ChemoSen↑, lycopene can increase the effect of anti-cancer drugs (including adriamycin, cisplatin, docetaxel and paclitaxel) on cancer cell growth and reduce tumour size
BioAv↓, low water solubility and bioavailability of lycopene
Dose↝, The concentration of lycopene in plasma (daily intake of 10 mg lycopene) is approximately 0.52−0.6 μM
BioAv↓, significant decrease in lycopene bioavailability in the elderly
BioAv↑, oils and fats favours the bioavailability of lycopene [80], while large molecules such as pectin can hinder the absorption of lycopene in the small intestine due to their action on lipids and bile salt molecules
SOD↑, GC: 50−150 mg/kg BW/day ↑SOD, CAT, GPx ↑IL-2, IL-4, IL-10, TNF-α ↑IgA, IgG, IgM ↓IL-6
Catalase↑,
GPx↑,
IL2↑, lycopene treatment significantly enhanced blood IL-2, IL-4, IL-10, TNF-α levels and reduced IL-6 level in a dose-dependent manner.
IL4↑,
IL1↑,
TNF-α↑,
GSH↑, GC: ↑GSH, GPx, GST, GR
GPx↑,
GSTA1↑,
GSR↑,
PPARγ↑, ↑GPx, SOD, MDA ↑PPARγ, caspase-3 ↓NF-κB, COX-2
Casp3↑,
NF-kB↓,
COX2↓,
Bcl-2↑, AGS cells Lycopene 5 μM ↑Bcl-2 ↓Bax, Bax/Bcl-2, p53 ↓Chk1, Chk2, γ-H2AX, DNA damage ↓ROS Phase arrest
BAX↓,
P53↓,
CHK1↓,
Chk2↓,
γH2AX↓,
DNAdam↓,
ROS↓,
P21↑, CRC: ↑p21 ↓PCNA, β-catenin ↓COX-2, PGE2, ERK1/2 phosphorylated
PCNA↓,
β-catenin/ZEB1↓,
PGE2↓,
ERK↓,
cMyc↓, AGS cells: ↓Wnt-1, c-Myc, cyclin E ↓Jak1/Stat3, Wnt/β-catenin alteration ↓ROS
cycE/CCNE↓,
JAK1↓,
STAT3↓,
SIRT1↑, Huh7: ↑SIRT1 ↓Cells growth ↑PARP cleavage ↓Cyclin D1, TNFα, IL-6, NF-κB, p65, STAT3, Akt activation ↓Tumour multiplicity, volume
cl‑PARP↑,
cycD1/CCND1↓,
TNF-α↓,
IL6↓,
p65↓,
MMP2↓, SK-Hep1 human hepatoma cells Lycopene 5, 10 μM ↓MMP-2, MMP-9 ↓
MMP9↓,
Wnt↓, AGS cells Lycopene 0.5 μM, 1 μM ↓Wnt-1, c-Myc, cyclin E ↓Jak1/Stat3, Wnt/β-catenin alteration ↓ROS

5022- UA,    Ursolic Acid’s Alluring Journey: One Triterpenoid vs. Cancer Hallmarks
- Review, Var, NA
TumCP↓, inhibition of cell proliferation, induction of apoptosis, suppression of angiogenesis, inhibition of metastasis, and modulation of the tumor microenvironment
Apoptosis↑,
angioG↑,
TumMeta↓,
BioAv↓, acknowledges hurdles related to UA’s low bioavailability,
Hif1a↓, graphical abstract
Glycolysis↓,
mitResp↓,
Akt↓,
MAPK↓,
ERK↓,
mTOR↓,
P53↑,
P21↑,
E2Fs↑,
STAT3↓,
MMP↓,
NLRP3↓,
iNOS↓,
CHK1↓,
Chk2↓,
BRCA1↓,
E-cadherin↑,
N-cadherin↓,
Casp↑,
p62↓,
LC3II↑,
Vim↓,
ROS↑, administration of UA has effectively modulated the generation of both cellular and mitochondrial ROS
CSCs↓, This, in turn, triggers a response in embryonic CSCs known as DNA damage response (DDR), strongly suggesting the potential for UA-induced cell death
DNAdam↑,
GutMicro↑, UA has shown potential in modulating the composition of the gut microbiota and improving the microenvironment within the digestive system
VEGF↓, UA treatment significantly reduced the expression of VEGF-A and FGF-β in both CRC tumors and HT-29 cells (


Showing Research Papers: 1 to 4 of 4

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 4

Pathway results for Effect on Cancer / Diseased Cells:


Redox & Oxidative Stress ⓘ

antiOx↑, 1,   ATF3↑, 1,   Catalase↑, 1,   GPx↑, 2,   GSH↑, 1,   GSR↑, 2,   GSTA1↑, 1,   HO-1↑, 1,   lipid-P↑, 1,   NQO1↑, 1,   NRF2↑, 1,   ROS↓, 1,   ROS↑, 2,   SIRT3↑, 1,   SOD↑, 1,  

Mitochondria & Bioenergetics ⓘ

CDC2↓, 1,   mitResp↓, 2,   MMP↓, 2,  

Core Metabolism/Glycolysis ⓘ

cMyc↓, 1,   p‑CREB↓, 1,   Glycolysis↓, 1,   LDHA↓, 1,   NADPH↑, 1,   PPARγ↑, 1,   SIRT1↑, 1,  

Cell Death ⓘ

Akt↓, 2,   Apoptosis↑, 3,   BAX↓, 1,   Bcl-2↓, 1,   Bcl-2↑, 1,   Casp↑, 1,   Casp3↑, 2,   cl‑Casp3↑, 1,   cl‑Casp9↑, 1,   Chk2↓, 3,   p‑Chk2↓, 1,   Cyt‑c↑, 1,   HEY1↓, 1,   iNOS↓, 1,   MAPK↓, 1,   MAPK↑, 1,   Mcl-1↓, 1,   p38↑, 1,   p‑p38↓, 1,   p‑RSK↓, 1,   TumCD↑, 1,  

Transcription & Epigenetics ⓘ

H3↑, 1,  

Protein Folding & ER Stress ⓘ

CHOP↑, 1,   ER Stress↑, 1,   HSP90↓, 1,  

Autophagy & Lysosomes ⓘ

LC3II↑, 1,   p62↓, 1,  

DNA Damage & Repair ⓘ

BRCA1↓, 1,   CHK1↓, 3,   DNAdam↓, 1,   DNAdam↑, 1,   P53↓, 1,   P53↑, 2,   PARP↑, 1,   cl‑PARP↑, 1,   PCNA↓, 1,   γH2AX↓, 1,   γH2AX↑, 1,  

Cell Cycle & Senescence ⓘ

CDK1↓, 1,   CDK2↓, 1,   CDK4↓, 2,   cycA1/CCNA1↓, 1,   CycB/CCNB1↓, 1,   cycD1/CCND1↓, 1,   cycE/CCNE↓, 2,   E2Fs↑, 1,   P21↑, 3,   p‑RB1↓, 1,   TumCCA↑, 1,  

Proliferation, Differentiation & Cell State ⓘ

CSCs↓, 2,   EMT↓, 1,   ERK↓, 2,   p‑ERK↓, 1,   FOXO3↑, 1,   mTOR↓, 1,   NOTCH↓, 1,   STAT3↓, 3,   p‑STAT5↓, 1,   Wnt↓, 1,  

Migration ⓘ

AP-1↓, 1,   E-cadherin↑, 1,   ER-α36↓, 1,   MMP2↓, 2,   MMP9↓, 2,   MMPs↓, 1,   N-cadherin↓, 2,   Slug↓, 1,   Snail↓, 1,   TumCP↓, 2,   TumMeta↓, 1,   TumMeta↑, 1,   uPA↓, 1,   Vim↓, 2,   β-catenin/ZEB1↓, 2,  

Angiogenesis & Vasculature ⓘ

angioG↑, 1,   ATF4↑, 1,   Hif1a↓, 1,   PDGFR-BB↓, 1,   VEGF↓, 2,  

Immune & Inflammatory Signaling ⓘ

COX2↓, 2,   IL1↑, 1,   IL2↑, 1,   IL4↑, 1,   IL6↓, 1,   JAK1↓, 1,   NF-kB↓, 2,   p65↓, 1,   PGE2↓, 1,   SOCS1↑, 1,   TNF-α↓, 1,   TNF-α↑, 1,  

Protein Aggregation ⓘ

NLRP3↓, 1,  

Drug Metabolism & Resistance ⓘ

BioAv↓, 3,   BioAv↑, 1,   ChemoSen↑, 1,   Dose↝, 1,   eff↑, 3,  

Clinical Biomarkers ⓘ

BRCA1↓, 1,   E6↓, 1,   E7↓, 1,   GutMicro↑, 1,   IL6↓, 1,  

Functional Outcomes ⓘ

RenoP↑, 1,  
Total Targets: 128

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

Prx↑, 1,   SOD2↑, 1,  

Cell Death ⓘ

Casp3?, 1,  

Functional Outcomes ⓘ

toxicity↓, 1,  
Total Targets: 4

Scientific Paper Hit Count for: Chk2, Checkpoint Kinase 2
1 Artemisinin
1 Ashwagandha(Withaferin A)
1 Lycopene
1 Ursolic acid
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

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