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Pathways Recommended:	Stem Cell/Wnt Cell Cycle/DNA Damage

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SK- cells

" in MedChemExpress (MCE) Product Catalog:

By Targets:	ADC Cytotoxin (2) Antibiotic (1) Apoptosis (7) DNA/RNA Synthesis (2) E1/E2/E3 Enzyme (1) Endogenous Metabolite (1) Endothelin Receptor (1) ERK (1) HBV (1) Histone Acetyltransferase (1) Microtubule/Tubulin (3) Mitochondrial Metabolism (1) PARP (2) PGE synthase (1) Potassium Channel (1) PROTACs (2) Raf (1) Sigma Receptor (1) SphK (1) Tyrosinase (1)
By Research Areas:	Cancer (30) Cardiovascular Disease (1) Endocrinology (1) Infection (1) Inflammation/Immunology (1)

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Recombinant Proteins

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Targets Recommended: Nuclear Factor of activated T Cells (NFAT)

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-139156

SK-575	PARP PROTACs	Cancer
SK-575 is a highly potent and specific proteolysis-targeting chimera (PROTAC) degrader of PARP1, with an IC₅₀ of 2.30 nM. SK-575 potently inhibits the growth of cancer cells bearing BRCA1/2 mutations .

HY-147101

SK-575-NEG	PARP	Cancer
SK-575-NEG (compound 28), a methylation counterpart of SK-575, is synthesized by methylation of the amino group of piperidine-2,6-dione in SK-575 as an control compound. SK-575-NEG is strongly bound to PARP1, with an IC₅₀ of 2.64 nM. SK-575-NEG was completely ineffective in inducing PARP1 degradation in MDA-MB-436 and Capan-1 cells at concentrations up to 1 μM .

HY-147556

SK3 Channel-IN-1	Potassium Channel	Cancer
SK3 Channel-IN-1 (compound 7a) is a potent and specific SK3 channel modulator. SK3 Channel-IN-1 has efficient effect on breast cancer MDA-MB-435 cell migration while exhibiting low cytotoxicity in other cell lines. SK3 Channel-IN-1 can modulate ion channels’activity in cancer .

HY-N9003

Dihydroprehelminthosporol	Others	Cancer
Dihydroprehelminthosporol (Compound 1) from the fungusVeronaea sp.of the separated. Dihydroprehelminthosporol on human cancer cell line A549 and SK-0A-3 has cytotoxicity .

HY-N12349

Glucozaluzanin C	Others	Others
Glucozaluzanin C is a lignan isolated from the MeOH extract of the roots of Ainsliaea acerifolia (Compositae). Glucozaluzanin C has ED₅₀ value of 2.45 μg/mL, 1.37μg/mL, 0.40 μg/mL, 1.41 μg/mL, 1.43 μg/mL for A549 cells, SK-OV-3 cells, SK-MEL-2 cells, XF498 cells, HCT15 cells, respectively .

HY-123898

Cepharadione B	Tyrosinase Endogenous Metabolite	Cancer
Cepharadione B (compound 22) is a natural compound isolated from the leaves of Piper sanctum. Cepharadione B is a tyrosinase inhibitor with an IC₅₀ value of 170 μM, and inhibits cell growth in A-549, SK-OV-3, SK-MEL-2, XF-498 and HCT-15 cells .

HY-N6578

3-epi-Isocucurbitacin B	Others	Cancer
3-epi-Isocucurbitacin B (Compound 5) is a cucurbitane triterpene derived from Trichosanthes kirilowii. 3-epi-Isocucurbitacin B shows significant cytotoxicity to human tumor cells A-549, SK-OV-3, SK-MEL-2, XF-498 and HCT15 .

HY-146080

Antitumor agent-61	Apoptosis	Cancer
Antitumor agent-61 (Compound 9b), Irinotecan (Ir) derivative, is a potential antitumor agent. Antitumor agent-61 displays potent activity with IC₅₀s of 0.92, 1.39, 1.75, 2.20, 3.05 and 3.23 μM against five human cancer cells SK-OV-3, SK-OV-3/CDDP, U2OS, MCF-7, A549 and MG-63, respectively. Antitumor agent-61 induces SK-OV-3 cells apoptosis through mitochondrion pathways .

HY-162259

QC-182	PROTACs Histone Acetyltransferase	Cancer
QC-182 is a potent PROTAC degrader of p300/CBP. QC-182 reduces p300 protein in the SK-HEP-1 cells (DC₅₀ = 93nM). QC-182 potently and effectively inhibits cell growth in the SK-HEP-1 and JHH7 cell lines with IC₅₀ values of 0.733 and 0.477 μM, respectively. QC-182 can be used for the research of hepatocellular carcinoma (HCC) .

HY-N3179

Norcepharadione B	Others	Others
Norcepharadione B is an alkaloid that can be isolated from Houttuynia cordata. Norcepharadione B exhibits moderate cytotoxicity against A-549, SK-OV-3, SK-MEL-2, XF-498 and HCT-15 cell line with ED₅₀s of 40, 26.4, 40, 14.2 and 38.2 μg/mL, respectively .

HY-N1614

1α-Hydroxytorilin	Others	Others
1 α-hydroxytorilin (compound 3) is a sesquiterpenoid. 1 α-hydroxytorilin can be isolated from Torilis japonica. 1α-hydroxytorilin has cytotoxicity against human A549, SK-OV-3, SK-MEL-2, and HCT15 tumor cells with ED50 values of 20.52, 18.24, 17.48, 42.54 μg/mL, respectively .

HY-15894A

BQ-788 5+ Cited Publications	Endothelin Receptor	Cardiovascular Disease Endocrinology
BQ-788 is a potent, selective ETB receptor antagonist with IC₅₀ of 1.2 nM for inhibition of ET-1 binding to human Girardi heart cells, poorly inhibiting the binding to ETA receptors in human neuroblastoma cell line SK-N-MC cells with IC₅₀ of 1300 nM .

HY-146395

HBV-IN-23	HBV DNA/RNA Synthesis Apoptosis	Infection Cancer
HBV-IN-23 (Compound 5k) is an inhibitor of HBV DNA replication with an IC₅₀ of 0.58 μM. HBV-IN-23 inhibits HBV DNA replication in both agent sensitive and resistant HBV strains. HBV-IN-23 shows anti-hepatocellular carcinoma cell (HCC) activities. HBV-IN-23 induces HepG2 cells apoptosis .

HY-N7340

Withaperuvin C	Others	Cancer
Withaperuvin C is a withanolide that can be isolated from Physalis Minima. Withaperuvin C has moderate cytotoxicity against cancer cells such as HepG2, SK-LU-1, and MCF7 cells (IC₅₀: 19.5, 14.65, 11.74 μg/mL) .

HY-155314

Tubulin polymerization-IN-50	Microtubule/Tubulin	Cancer
Tubulin polymerization-IN-50 (compound 7n) is a inhibitor of tubulin polymerization, with the IC₅₀ of 5.05 μM in SK-Mel-28 cells. Tubulin polymerization-IN-50 induces the cell cycle arrest in the G2/M phase .

HY-N11669

Demycarosyl-3D-β-D-digitoxosylmithramycin SK	DNA/RNA Synthesis	Cancer
Demycarosyl-3D-β-D-digitoxosylmithramycin SK is a Mithramycin analog with good anti-tumor activity, which can prevent the proliferation and growth of tumor cells by binding and inhibiting DNA-binding proteins .

HY-148266

UBA5-IN-1	E1/E2/E3 Enzyme	Cancer
UBA5-IN-1 (compound 8.5) is a selective UBA5 inhibitor with an IC₅₀ value of 4.0 μM. UBA5-IN-1 inhibits cell proliferation of Sk-Luci6 cancer cells with high expression levels of UBA5 .

HY-150401

Exatecan-amide-cyclopropanol	ADC Cytotoxin	Cancer
Exatecan-amide-cyclopropanol (compound 1) is a anticancer agent. Exatecan-amide-cyclopropanol shows anti-proliferation activity against SK-BR-3 and U87 cells, with IC₅₀ values of 0.12 and 0.23 nM, respectively .

HY-N3028

Taccalonolide B	Microtubule/Tubulin	Cancer
Taccalonolide B is microtubule stabilizer isolated from Tacca plantaginea, with antitumor activity. Taccalonolide B is effective in vitro against cell lines that overexpress P-glycoprotein (Pgp) and multidrug-resistance protein (MRP7). Taccalonolide B inhibits growth of SK-OV-3 cells with an IC₅₀ of 208 nM .

HY-156617A

(αR)-Cyclopropaneacetamide-Exatecan	ADC Cytotoxin	Cancer
(αR)-Cyclopropaneacetamide-Exatecan (compound 2-A), an Exenotecan derivative, is a cytotoxic agent. (αR)-Cyclopropaneacetamide-Exatecan inhibits U87MG and SK-BR-3 cells proliferation, with IC₅₀s of 8.11 and 2.31 μM .

HY-125570

Ginsenoside Rs3	Apoptosis	Cancer
Ginsenoside Rs3 is a natural diol-type ginseng saponin with anticancer effects. Ginsenoside Rs3 selectively elevates protein levels of p53 and p21WAF1 leading to induction of apoptosis in SK-HEP-1 cells .

HY-147855

ACA-28	ERK Apoptosis	Cancer
ACA-28 (compound 2a) is a potent ERK MAPK signaling modulator. ACA-28 selectively inhibits cancer cell growth by inducing apoptosis with ERK hyperactivation ACA-28 inhibits cell growth of melanoma cells (SK-MEL-28) and normal melanocytes (NHEM), with IC₅₀ values of 5.3 and 10.1 μM, respectively .

HY-W317408

(+)-Menthyl acetate	Others	Others
(+)-Menthyl acetate is a compound isolated from natural Cunila angustifolia Benth essential oil. The selectivity of (+)-Menthyl acetate is higher than that of MCF-7 cell line, IC₅₀=34.0 μg?mL ^-1, and lower than that of SK-Mel-28 cell line, IC₅₀=279.9 μg?mL ^-1, on A549 cell without fatal .

HY-155315

Tubulin polymerization-IN-51	Others	Cancer
Tubulin polymerization-IN-51(compound 7u) is a tubulin polymerization inhibitor with IC₅₀ value of 2.55 - 17.89μM for SK-Mel-28 cells. Tubulin polymerization-IN-51 can be used for cancer research .

HY-N8934

6β-Hydroxytomentosin	Others	Cancer
6β-Hydroxytomentosin, a sesquiterpenoid, can be found in flowers of Inula japonica. 6β-Hydroxytomentosin exhibits weak cytotoxicities against A549, SK-OV-3, HepG-2 and HT-29 cell lines .

HY-122783

Isogambogic acid	Antibiotic	Cancer
Isogambogic acid is an antibiotic and anti-cancer agent which efficiently elicit cell death in LLC and SK-LU-1 within a low micromolar range with IC₅₀s of 2.26 μM and 2.02 μM. Isogambogic acid can be used for cancer research .

HY-115735

SKI-I	SphK Apoptosis	Cancer
SKI-I is a potent and selective inhibitor of human sphingosine kinase (SK), with an IC₅₀ of 1.2 μM for ST-hSK. SKI-I also inhibits hERK2 (IC₅₀=11 μM). SKI-I induces apoptosis in tumor cell lines .

HY-122112

CM572	Sigma Receptor	Cancer
CM572 is a selective irreversible partial sigma-2 receptor agonist. CM572 has antitumor activity. CM572 induces dose-dependent cell death, with an EC₅₀ of 7.6 μM in SK-N-SH neuroblastoma cells. CM572 can be used for the research of kinds of diseases such as neuroblastoma, breast cancer .

HY-151587

Anticancer agent 89	Others	Cancer
Anticancer agent 89 is a benzothiazole-2-thiophene S-glycoside derivative with antitumor activity, has high inhibition against the three cell line from ovarian cancer (OVCAR-4), renal cancer (A498), and melanoma (SK-MEL-5) .

HY-162045

Ru-4T	Others	Cancer
Ru-4T is a phototherapy agent. Ru-4T has phototherapeutic efficacy (PI = 114,000) against melanoma cells (SK-MEL-28) under broad-band visible light (400-700 nm) with EC₅₀ values of 740 pM .

HY-149202

UT-11	PGE synthase	Inflammation/Immunology
UT-11 is a potent and brain-permeable microsomal prostaglandin E synthase-1 (mPGES-1) inhibitor with IC₅₀s of 0.10 μM and 2.00 μM for inhibiting PGE₂ production in human (SK-N-AS) and murine (BV2) cells, respectively .

HY-155124

Antiproliferative agent-32	Apoptosis	Cancer
Antiproliferative agent-32 (Compound 1c) inhibits the phosphorylation of PI3K/Akt/mTOR signaling pathway. Antiproliferative agent-32 inhibits Huh7 and SK-Hep-1 cells proliferation, and induce cells apoptosis, causes mitochondrial damage. Antiproliferative agent-32 can be used for research of hepatocellular carcinoma .

HY-N2416

Taccalonolide A	Microtubule/Tubulin Apoptosis	Cancer
Taccalonolide A is a microtubule stabilizer, which is a steroid isolated from Tacca chantrieri, with cytotoxic and antimalarial activities . Taccalonolide A causes G₂-M accumulation, Bcl-2 phosphorylation and initiation of apoptosis . Taccalonolide A is effective in vitro against cell lines that overexpress P-glycoprotein (Pgp) and multidrug resistance protein 7 (MRP7), with an IC₅₀ of 622 nM for SK-OV-3 cells .

HY-149677

ZK53	Mitochondrial Metabolism	Cancer
ZK53 is a selective activator of mitochondrial caseinolytic protease P (HsClpP) (EC₅₀: 1.37?μM for α-casein hydrolysis by HsClpP). ZK53 is is inactive toward bacterial ClpP proteins. ZK53 induces apoptosis in H1703, H520 and SK-MES-1 cells. ZK53 induces dysregulation of mitochondrial functions in lung squamous cell carcinoma (LUSC) cells. ZK53 inhibits tumor growth in H1703 xenograft mouse model .

HY-144269

SHR902275	Raf	Cancer
SHR902275 is a potent, selective, and orally active RAF inhibitor targeting RAS mutant cancers. SHR902275 has IC₅₀s of 1.6 nM, 10 nM, and 5.7 nM for cRAF, bRAF ^wt, and bRAF ^V600E, respectively. SHR902275 shows cell growth inhibition with GI₅₀s of 1.5 and 0.17 nM, 0.4 nM and 0.32 nM for H358, A375, Calu6, and SK-MEL2 cells respectively .

HY-N9101

4,4'-Dihydroxy-3,3',9-trimethoxy-9,9'-epoxylignan	Others	Cancer
4,4'-Dihydroxy-3,3',9-trimethoxy-9,9'-epoxylignan is a lignans that can be isolated from the Viburnum foetidum. 4,4'-Dihydroxy-3,3',9-trimethoxy-9,9'-epoxylignan has cytotoxicity against A549, SK-OV-3, SKMEL-2 and HCT15 cell line with IC₅₀s of 67.14, 67.38, 64.11 and 76.31 μg/mL, respectively .

Kinase Inhibitor Library	3137 compounds
Kinase is an enzyme that adds phosphate groups to other molecules. This process is known as phosphorylation. Protein phosphorylation is a key aspect in the regulation of a large number of cellular processes including cellular division, metabolism, signal transduction, and so on. There are over 500 kinases encoded by the human genome and it has been estimated that kinases regulate approximately 50% of cellular functions. Kinases are a large group of drug targets in drug discovery. Kinase inhibitors are an important class of drugs that block certain enzymes involved in diseases such as cancer and inflammatory disorders. Kinase inhibitor library designed by MCE contains 3137 kinase inhibitors and regulators mainly targeting protein kinases (VEGFR, EGFR, BTK, CDK, Akt, etc.), lipid kinases (PI3K, PI4K, SK, etc.) and carbohydrate kinases (Hexokinase), and is a useful tool for kinase drug discovery and related research.

Dihydroprehelminthosporol	Structural Classification Natural Products Microorganisms Source classification	Others
Dihydroprehelminthosporol (Compound 1) from the fungusVeronaea sp.of the separated. Dihydroprehelminthosporol on human cancer cell line A549 and SK-0A-3 has cytotoxicity .

Glucozaluzanin C	Structural Classification Terpenoids Sesquiterpenes Source classification Plants Ainsliaea acerifolia Nakai Compositae	Others
Glucozaluzanin C is a lignan isolated from the MeOH extract of the roots of Ainsliaea acerifolia (Compositae). Glucozaluzanin C has ED₅₀ value of 2.45 μg/mL, 1.37μg/mL, 0.40 μg/mL, 1.41 μg/mL, 1.43 μg/mL for A549 cells, SK-OV-3 cells, SK-MEL-2 cells, XF498 cells, HCT15 cells, respectively .

Cepharadione B	Structural Classification Alkaloids Piperidine Alkaloids Source classification Piperaceae Plants Piper sanctum (Miq.) Schltdl. ex C.DC.	Tyrosinase Endogenous Metabolite
Cepharadione B (compound 22) is a natural compound isolated from the leaves of Piper sanctum. Cepharadione B is a tyrosinase inhibitor with an IC₅₀ value of 170 μM, and inhibits cell growth in A-549, SK-OV-3, SK-MEL-2, XF-498 and HCT-15 cells .

3-epi-Isocucurbitacin B	Structural Classification Natural Products Source classification Cucurbitaceae Trichosanthes kirilowii Maxim. Plants	Others
3-epi-Isocucurbitacin B (Compound 5) is a cucurbitane triterpene derived from Trichosanthes kirilowii. 3-epi-Isocucurbitacin B shows significant cytotoxicity to human tumor cells A-549, SK-OV-3, SK-MEL-2, XF-498 and HCT15 .

Norcepharadione B	Structural Classification Alkaloids Piperidine Alkaloids Saururaceae Houttuynia cordata Thunb. Source classification Plants	Others
Norcepharadione B is an alkaloid that can be isolated from Houttuynia cordata. Norcepharadione B exhibits moderate cytotoxicity against A-549, SK-OV-3, SK-MEL-2, XF-498 and HCT-15 cell line with ED₅₀s of 40, 26.4, 40, 14.2 and 38.2 μg/mL, respectively .

1α-Hydroxytorilin	Structural Classification Terpenoids Sesquiterpenes Source classification Torilis japonica (Houtt.) DC. Plants Umbelliferae	Others
1 α-hydroxytorilin (compound 3) is a sesquiterpenoid. 1 α-hydroxytorilin can be isolated from Torilis japonica. 1α-hydroxytorilin has cytotoxicity against human A549, SK-OV-3, SK-MEL-2, and HCT15 tumor cells with ED50 values of 20.52, 18.24, 17.48, 42.54 μg/mL, respectively .

Withaperuvin C	Structural Classification Physalis minima Linn. Source classification Plants Solanaceae Steroids	Others
Withaperuvin C is a withanolide that can be isolated from Physalis Minima. Withaperuvin C has moderate cytotoxicity against cancer cells such as HepG2, SK-LU-1, and MCF7 cells (IC₅₀: 19.5, 14.65, 11.74 μg/mL) .

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