Apoptosis

GQN-B37-E is an effective selective binder and inhibitor of MCL-1. It binds to the BH3-binding domain of MCL-1. GQN-B37-E demonstrates binding affinity for MCL-1 within the sub-micromolar range (Ki= 0.6 μM), yet shows negligible binding to BCL-2 or BCL-XL.

CDK4/6-IN-10: Oral CDK4 (IC50: 22 nM) & CDK6 (IC50: 10 nM) inhibitor with anti-cancer potential for MM research.

SL-176, a WIP1 inhibitor, when combined with GSK-J4, can induce cell cycle arrest and apoptosis (apoptosis), thereby inhibiting tumor growth both in vitro and in vivo.

Tubulin inhibitor 13 (E27), IC50 16.1 μM, blocks tubulin polymerization, cancer cell migration, and invasion, induces apoptosis.

<p>AQIM-I is a survivin inhibitor that reduces survivin expression and colony formation. It promotes reactive oxygen species (ROS) production, apoptosis, cell cycle arrest, DNA damage, and autophagy. Moreover, AQIM-I effectively inhibits nonsmall cell lung cancer cells A549, with an IC 50 value of 9 nM [1].</p>

<p>HBV/HDV-IN-2 (Compd 143) functions as an inhibitor for HBV, HDV, and PD-1/PD-L1, demonstrating an EC 50 of 35 nM in T cell activation.</p>

ZLWT-37: Oral CDK inhibitor, CDK9 IC50=0.002 µM, CDK2 IC50=0.054 µM; halts HCT116 cells at G2/M, induces apoptosis.

(S)-Purvalanol B is the S enantiomer of Purvalanol B. Purvalanol B is an inhibitor of cyclin-dependent kinase(CDK) .

Tubulin inhibitor 43 exhibits significant antitumor activity by impeding the proliferation and growth of cancer cells through the inhibition of β-microtubulin activity, ultimately inducing apoptosis [1].

KDM1/CDK1-IN-1 inhibits KDM1 (IC50: 0.096 μM) & CDK1 (IC50: 0.078 μM), blocks HOP-92 G2/M phase, induces apoptosis, toxic to cancer cells.

WEHI-9625 is a tricyclic sulfone small molecule apoptosis inhibitor (EC50: 69 nM).

Ran-IN-1 (Compound M36) is an orally active and selective inhibitor of Ran GTPase. It binds allosterically with high specificity to the switch II pocket of GDP-bound Ran (RanGDP), stabilizing its inactive state and reducing the formation of active Ran-GTP. Ran-IN-1 induces apoptosis in epithelial ovarian cancer (EOC) cells and inhibits DNA repair pathways such as homologous recombination (HR) and non-homologous end joining (NHEJ). This compound shows potential for research in epithelial ovarian cancer, particularly in high-grade serous carcinoma.

T-1-PMPA, a potent EGFR inhibitor, demonstrates apoptotic properties and effectively inhibits EGFR WT and EGFR 790m, with IC50 values of 86 nM and 561.73 nM, respectively [1].

GPX4-IN-13 (compound 16), a GPX4 inhibitor, exhibits anticancer properties by diminishing the expression of GPX4, thereby reducing thyroid cell proliferation and inducing ferroptosis. Additionally, this compound effectively inhibits the growth of three distinct thyroid cancer cell lines: N-thy-ori-3-1 (IC 50 =8.39 μM), MDA-T32 (IC 50 =10.28 μM), and MDA-T41 (IC 50 =8.18 μM).

<p>ERK-MYD88 Interaction Inhibitor 1, an agent that disrupts the interaction between ERK and MYD88, has demonstrated the ability to trigger an HRI-mediated integrated stress response (ISR) that specifically promotes immunogenic cell apoptosis (apoptosis) in cancer cells. Additionally, in models using Lewis lung cancer mice, this compound has been shown to stimulate anti-tumor T cell responses, thereby exhibiting significant anti-tumor activity.</p>

RIPK1-IN-23 (compound 19) is an RIPK1 inhibitor with potent anti-necroptotic effects in HT-29 cells (EC50 = 1.7 nM). Additionally, RIPK1-IN-23 exhibits anti-inflammatory properties.

JND4135, a type II TRK inhibitor, exhibits IC50 values targeting TRKA, TRKB, and TRKC at 2.79, 3.19, and 3.01 nM, respectively. It can overcome resistance due to TRKxDFG and other mutations in the BaF3 stable model, inhibiting the phosphorylation of TRKs WT, xDFG mutations, and their downstream signaling molecules. Additionally, JND4135 induces G0/G1 phase arrest and cell apoptosis (apoptosis) in BaF3–CD74-TRKA-G667C cells. This compound also demonstrates antitumor activity in a BaF3-CD74-TRKA-G667C mouse xenograft model by suppressing tumor growth.

SSB-2548 is a CXCR-4 inhibitor that suppresses the proliferation and migration of acute myeloid leukemia cells and induces apoptosis (apoptosis). It is well absorbed in the gastrointestinal tract and can be used for leukemia research.

XJTU-L453, a PI3Kα inhibitor, exhibits an IC50 of 0.4 nM. It inhibits the proliferation of breast cancer cell lines T47D and MCF7, with IC50 values of 0.2 μM and 0.5 μM respectively. Additionally, XJTU-L453 disrupts the PI3K pathway, leading to cell cycle arrest and cell apoptosis (apoptosis). It also demonstrates antitumor activity in MCF7 xenograft mice.

Ketorolac (RS37619) hydrochloride is a nonsteroidal anti-inflammatory drug and a non-selective COX inhibitor, exhibiting IC50 values of 20 nM for COX-1 and 120 nM for COX-2. This compound is utilized in a 0.5% ophthalmic solution format for the investigation of allergic conjunctivitis, cystoid macular edema, intraoperative miosis, and post-operative ocular inflammation pain. Additionally, Ketorolac hydrochloride serves as a DDX3 inhibitor, making it pertinent for research in cancer therapies.

tDHU, acid is a dihydropyrimidine cereblon ligand consisting of an E3 ligase ligand and a benzoic acid linker. It serves as an E3 ubiquitin ligase ligand-linker conjugate in the development of PROTACs.

TP-030-1, RIPK1 inhibitor: K(i) hRIPK1 at 3.9nM, IC50 mRIPK1 at 4.2μM; targets inflammation, neurodegeneration research.

<p>MG28 exhibits significant cytotoxic effects, likely stemming from its direct and potent DNA-damaging activity. The compound is utilized in cancer research.</p>

PARP10/15-IN-2 (Compound 8h) blocks PARP10/15, has IC50s: 0.15μM/0.37μM, cell-permeable, prevents apoptosis.

GA001 is a potent G9a antagonist with an IC50 of 1.32 μM. It can induce autophagy and apoptosis, and is applicable in the treatment of breast cancer.

<p>YLL545 is an inhibitor of Vascular Endothelial Growth Factor Receptor 2 (VEGFR2). It inhibits VEGF-induced phosphorylation of VEGFR2 and the activation of downstream signaling mediators (such as phosphorylated STAT3 and phosphorylated ERK1/2) in human umbilical vein endothelial cells (HUVEC). Additionally, YLL545 suppresses HUVEC proliferation, migration, invasion, and angiogenesis. It also induces apoptosis and inhibits tumor growth in a mouse model of breast cancer.</p>

<p>BMI-135, a selective estrogen mimic, demonstrates agonist activity for the estrogen receptor and induces a rapid endoplasmic reticulum stress response (UPR) alongside apoptosis in breast cancer cells.</p>

<p>Casein kinase1δ-IN-29 (Compound 18) is an inhibitor that targets p38α and casein kinase 1 (CK1), exhibiting inhibitory effects on p38α, CK1δ, and CK1ε with IC50 values of 0.041 µM, 0.005 µM, and 0.447 µM, respectively. This compound causes cell cycle arrest at the subG1 phase and induces apoptosis in AC1-M88 cells.</p>

Topoisomerase IIα-IN-4 (F2) is a non-intercalative ATP-competitive inhibitor of human DNA topoisomerase II, specifically inhibiting TopoIIα with an IC50 value

RIPK1-IN-14 inhibits RIPK1 with 92 nM IC50 and reduces necrotic apoptosis in U937 cells.

DC-U4106: USP8 inhibitor, Kd 4.7μM, IC50 1.2μM, degrades Erα, low-toxicity tumor suppressor for breast cancer research.

JH-XVII-10: potent, oral DYRK1A/B inhibitor (IC50: 3/5 nM), shows antitumor activity in HNSCC.

MDK-3345 is a reversible covalent inhibitor for Mcl-1.

JAK2/FLT3-IN-1 (TFA), an oral JAK2/FLT3 inhibitor, shows anticancer properties; IC50: JAK2 (0.7 nM), FLT3 (4 nM), JAK1 (26 nM), JAK3 (39 nM).

Antitumor agent-43 (Compound 4B) is a potent antitumor agent that induces cell cycle arrest at G2/M phase.

Apoptosisinducer 25 (Compound 4H) demonstrates potent anticancer capabilities by inhibiting the proliferation of BGC-823 cancer cells with an IC50 of 0.37 μM. It induces apoptosis in BGC-823 cells, causes mitochondrial dysfunction, and arrests the cell cycle at the G2/M phase. Additionally, Apoptosisinducer 25 exhibits favorable pharmacokinetic properties in rats.

Bomedemstat (IMG-7289) hydrochloride, an oral LSD1 inhibitor, has anticancer properties, blocking cell growth and triggering apoptosis.

Lepidozin G blocks cancer growth (IC50=4.2-5.7μM) and triggers apoptosis in PC-3 cells via mitochondria.

<p>17-Demethoxy-reblastatin (17-DR) acts as an inhibitor of heat shock protein 90 (Hsp90). It suppresses the proliferation of HepG2 and SMMC7721 cancer cells, diminishes colony formation, and triggers apoptosis via a mitochondria and caspase-mediated pathway.</p>

Compound 14 is a peptidomimetic that significantly lowers TNFα, NO, CD40, and CD86, showcasing strong anti-inflammatory effects.

<p>Evo312 is an inhibitor of protein kinase C beta I (PKCβI) with an IC50 of 117.34 nM and exhibits dose-dependent characteristics. It acts by inhibiting the expression of the PKCβI protein, which leads to cell cycle arrest and apoptosis in PANC-GR (gemcitabine-resistant pancreatic cancer cells). Evo312 also demonstrates antiproliferative effects in pancreatic cancer cells PANC-1 and PANC-GR, with IC50 values of 0.08 μM and 0.07 μM respectively, while presenting an IC50 of 2.95 μM in normal human pancreatic ductal epithelial cells HPDE6-c7. Additionally, Evo312 has shown antitumor activity in a mouse xenograft model using PANC-GR cells.</p>

NiCur is an effective and selective inhibitor of CBP histone acetyltransferase (HAT), with an IC50 of 0.35 μM.

TRPM7-IN-1 (compound SUD) is a benzamide-urea derivative and an effective inhibitor of TRPM7. This compound induces cell cycle arrest and apoptosis in MCF-7 and BGC-823 cells, reducing their migration capabilities. It decreases vimentin expression while increasing E-cadherin expression. TRPM7-IN-1 reduces TRPM7-like currents and inhibits TRPM7 expression by activating the PI3K/Akt signaling pathway. This compound shows potential as a therapeutic agent for reducing breast and gastric cancer metastasis by targeting TRPM7 expression and activity.

Tofacitinib Prodrug-1: an oral prodrug reducing Tofacitinib's side effects, treats ulcerative colitis in mice effectively with low toxicity.

TrxR-IN-8 (Compound 6f) is a selective inhibitor of TrxR with an IC50 of 10.2 μM. It induces apoptosis through oxidative stress by stimulating the production of reactive oxygen species, reducing intracellular thiols, and lowering the glutathione/glutathione disulfide ratio. TrxR-IN-8 exhibits significant cytotoxicity against non-small cell lung cancer (NSCLC) cells.

PD-L1/HDAC6-IN-1 (Compound HP29) is an inhibitor targeting both PD-L1 and HDAC6, effectively disrupting the PD-L1/PD-1 interaction and inhibiting HDAC6 activity, with IC50 values of 26.8 nM and 69 nM, respectively. This compound enhances the cytotoxicity of Jurkat T cells against HepG2 cells, exhibiting an IC50 of 3.4 μM. In rats, PD-L1/HDAC6-IN-1 demonstrates favorable pharmacokinetics, showing a drug exposure level of 871.62 ng·h/mL, and displays antitumor activity in a B16-F10 xenograft mouse model.

VEGFR-2-IN-52 (compound 14d) serves as a powerful inhibitor of VEGFR-2, exhibiting an IC 50 of 191.1 nM. It effectively reduces the protein expression levels of p-VEGFR-2, MMP9, p-ERK1/2, and p-MEK1. In addition, VEGFR-2-IN-52 demonstrates cytotoxic properties by inducing apoptosis and arresting the cell cycle at the G0/G1 phase, and it enhances the levels of ROS.

<p>Apoptosisinducer 36 (Compound 42) exhibits anti-leukemic activity by reducing leukemia stem cells (LSC) and inducing differentiation. It inhibits proliferation of AML cells by causing cell cycle arrest in the G1 phase, and induces PANoptosis, which includes apoptosis, pyroptosis, and necrosis.</p>

LQB-118, an orally active compound sourced from sandalwood, demonstrates multiple therapeutic capabilities. It has shown proficiency in inhibiting glioblastoma cell migration and inducing apoptosis. Additionally, LQB-118 can curtail both migration and invasion of prostate cancer cells by modulating the AKT/GSK3β pathway and regulating MMP-9/reck gene expression. The compound is also effective against yeast polysaccharide-induced inflammation in both in vivo and in vitro settings. Notably, LQB-118 specifically triggers ROS-mediated and mitochondrial-dependent apoptosis in Leishmania amazonensis, highlighting its potential in studies focusing on inflammation, infections, and various cancers.

BCL6-IN-9 (compound 1) is a potent inhibitor of B-cell lymphoma 6 protein (BCL6) (IC50: 3.9 nM) and can be used to study cancer.

BHA536 is an orally effective inhibitor of PKCα/β and the NF-kB signaling pathway. This compound inhibits the proliferation of ABC DLBCL cells harboring CD79 mutations by causing cell cycle arrest in the G1 phase and induces apoptosis in TMD8 cells. Additionally, BHA536 exhibits antitumor activity in mice.

PSF-IN-2 (Compound (C)-30) is a PSF inhibitor with an IC50 value of 0.005 pM. It exhibits anticancer properties, inhibiting the proliferation of 22Rv1 cells with an IC50 value of 0.5 μM. PSF-IN-2 activates the p53 signaling pathway by disrupting PSF-RNA binding, inducing expression of related genes, promoting apoptosis, and inhibiting the cell cycle. This compound is applicable in cancer research.

<p>CLM3, a pyrazolopyrimidine derivative, functions as a multitargeted tyrosine kinase inhibitor. It exhibits antiproliferative and proapoptotic activities on endothelial and cancer cells, activities that are synergistically enhanced by SN38. The primary mechanism of action for CLM3 involves the inhibition of phosphorylation in tyrosine kinases such as VEGFR-2, EGFR, and RET, along with their associated signaling pathways.</p>

SphK1-IN-2: SphK1 inhibitor, IC50: 19.81 nM; less effective on SphK2. Induces apoptosis, hinders cancer cell growth.

Coprostanone (5β-cholestan-3-one) is an active metabolite of hydroxycholesterol and cholesterol. It induces apoptosis in primary gallbladder epithelial cells in dogs. Coprostanone holds potential for research into colon cancer or adenomatous polyps.

Ferroptosis-IN-18 (51) is a phenothiazine derivative known for its potent anti-ferroptotic and antioxidant properties. It is useful for research related to intracerebral hemorrhage (ICH).

Compound 3b inhibits tubulin polymerization, IC50 12.38 µM, with anticancer properties and promotes cell apoptosis.

<p>WF-47-JS03: RET kinase inhibitor, crosses blood-brain barrier, 500x more selective for KDR, IC50: 1.7 nM in Ba/F3 cells, 5.3 nM in LC-2/ad lung cancer cells.</p>

<p>PLK1-IN-15 is a PLK1 inhibitor with an IC50 of 38.5 nM. It exhibits antiproliferative effects on HepG2, Huh7, H1299, and A549 cells, with IC50 values of 2.03, 2.08, 4.79, and 17.11 μM, respectively. Additionally, PLK1-IN-15 can induce cell cycle arrest in the G2/M phase and trigger apoptosis (Apoptosis), demonstrating anticancer activity.</p>

Caspase-3 Activator 4 (compound 4o) is an effective caspase-3 activator that can cross the blood-brain barrier. This compound exhibits antiproliferative activity and can induce cell apoptosis (apoptosis). Additionally, Caspase-3 Activator 4 enhances the gene expression of TNF-α and reduces the expression of cleaved caspase-3/caspases 3.

Cernuumolide J (TMJ-105) functions as a JAK2/STAT3 inhibitor and exhibits potent activity against HEL leukemia cells by inhibiting their growth in both time-dependent and concentration-dependent manners, with an IC 50 value of 1.79 μM. This compound effectively induces G2/M phase arrest and apoptosis by downregulating the phosphorylation of JAK2, STAT3, and Erk, while simultaneously upregulating the phosphorylation of JNK and p38 MAPK. Cernuumolide J holds potential for research applications in anti-cancer therapy.

<p>ONC213, an αKGDH inhibitor, functions by hindering αKGDH activity, thus suppressing mitochondrial respiration and elevating α-ketoglutarate levels, ultimately inducing apoptosis (Apoptosis) in AML cells. It is utilized in the study of acute myeloid leukemia.</p>

EMT inhibitor-3 (compound 11i) is an epithelial-mesenchymal transition (EMT) inhibitor that effectively suppresses the proliferation, migration, and invasion of SK-N-SH neuroblastoma cells, with an IC50 value of 2.5 μM. It induces mitochondrial-mediated intrinsic apoptosis in tumor cells by enhancing the Bax/Bcl-2 protein expression ratio, promoting the release of cytochrome C from mitochondria, and activating caspase 9 and caspase 3. EMT inhibitor-3 is applicable for cancer research.

Mps-BAY1, an MPS1 inhibitor, exhibits anticancer activity. It inhibits cell proliferation and induces cell apoptosis by activating mitotic aberrations in cancer cells, leading to overall aneuploidy and polyploidy. Mps-BAY1 is used in research pertaining to colorectal and cervical cancer.

AZD0424: oral Src/Abl kinase inhibitor; potential anticancer; induces apoptosis, cell cycle arrest in lymphoma.

BCL6-IN-3: potent BCL6 inhibitor, 70 nM GI50 in SU-DHL4, affects cell functions, antitumor.

<p>UH15-38 is a potent and selective RIPK3 inhibitor that blocks necroptosis in alveolar epithelial cells triggered by IAV, useful for studying lung inflammation.</p>

<p>Lometrexol (LY 264618) is an antifolate that inhibits GARFT, blocks purine synthesis, induces apoptosis, and has anticancer properties.</p>

Zotatifin (eFT226) is a selective eIF4A inhibitor with antiviral and antitumor properties, inhibiting Sox4 translation and inducing apoptosis.

PF-07328948 is a branched-chain keto-acid dehydrogenase kinase (BDK) inhibitor, useful for studying CVD metabolic disorders.

Darizmetinib (HRX215) is an MKK4 inhibitor.

Tuvusertib (M1774), an oral ATR inhibitor (Ki<1µM), selectively blocks CHK1 phosphorylation, disrupts DNA repair, and induces tumor cell apoptosis.

Milademetan (DS-3032), an MDM2 inhibitor, exhibits antitumor activity, induces G1 cell cycle arrest and apoptosis, and can be used to study solid tumors.

Zharp1-211 is a RIPK3 inhibitor，reduces JAK/ stat1-mediated chemokines and MHC class II molecules in IECs, (GVHD) for gastrointestinal inflammation.

SY-5609 (CDK7-IN-3) is a selective non-covalent CDK7 inhibitor, with weak inhibitory activity against CDK2, CDK9 and CDK12.Cost-effective and quality-assured.

Vatalanib hydrochloride (PTK787 hydrochloride) is an orally available and highly potent tyrosine kinase (VEGF) inhibitor that reduces the number and size of Aβ plaques in the cortex of 5xFAD mice, which may be useful in the study of Alzheimer's disease and cancer.

HC-5404 is a potent and selective PERK inhibitor, blocking the activation of the PERK pathway, anti-tumor effects, advanced solid tumors and renal cell Cancer.

JAK2-IN-7 selectively inhibits JAK2 (IC50: 3 nM), shows 14-fold selectivity over JAK1/3, FLT3, induces G0/G1 arrest, apoptosis, and has antitumor effects.

<p>CP-4126, a lipophilic pro-drug of Gemcitabine, converts to active form by esterases, allowing oral administration with dose-dependent effects.</p>

<p>FX-11: potent LDHA inhibitor (Ki 8 μM), activates PKM2, reduces ATP, induces oxidative stress/ROS, cell death, shows antitumor effects.</p>

PIM-447 dihydrochloride is an orally available and selective inhibitor of pan-PIM kinase(Ki values of 6, 18, and 9 pM for PIM1, PIM2, and PIM3, respectively).

WEHI-539 hydrochloride is a selective Bcl-XL inhibitor with an IC50 of 1.1 nM.

OBAA is a potent inhibitor of phospholipase A2 (PLA2) with an IC 50 of 70 nM. OBAA blocks Melittin-induced Ca 2+ influx in Trypanosoma brucei with an IC 50 of 0.4 μM [1] [2] [3].

AP1867-3-(aminoethoxy) is a synthetic ligand for FKBP and can be used in the synthesis of PROTAC FKBP12 F36V degrader.

Beta-Zearalenol, a derivative of zearalenone (ZEA) capable of conjugating with glucuronic acid[2], is a mycotoxin produced by Fusarium spp. It induces apoptosis and oxidative stress in mammalian reproductive cells[1].

(R)-Verapamil hydrochloride ((R)-(+)-Verapamil hydrochloride) is an inhibitor of P-Glycoprotein.

PRGL493 blocks ACSL4, halts PC3/MDA-MB-231 cancer cell spread, and inhibits MA-10 tumor progesterone. Effective in mouse PC3 tumor model at 0.25 mg/kg.

Dihydroartemisinin (mixture of α and β isomers) is a useful organic compound for research related to life sciences. The catalog number is T64399 and the CAS number is 131175-87-6.

PGA2 is a naturally occurring prostaglandin in gorgonian corals where it may function in self defense. It is generally not present in mammals. PGA2 has low biological potency in most bioassays, but it does show some antiviral/antitumor activity.[1] At a 25 uM concentration, PGA2 blocks the cell cycle progression of NIH 3T3 cells at the G1 and G2/M phase .[2] It has also been shown to act as a vasodilator with natriuretic properties.[3]

Ciprofloxacin lactate is a useful organic compound for research related to life sciences. The catalog number is T66299 and the CAS number is 97867-33-9.

A-192621 is a potent, nonpeptide, orally active, and selective endothelin B (ETB) receptor antagonist with an IC50 of 4.5 nM and a Ki of 8.8 nM. A-192621 promotes apoptosis in PASMCs and elevates both arterial blood pressure and plasma ET-1 levels[1][2][3]. Its selectivity is 636-fold higher for ETB than ETA (IC50 of 4280 nM and Ki of 5600 nM).

Carubicin HCl is an anthracycline antineoplastic antibiotic. Through intercalates into DNA and interacts with topoisomerase II, Carubicin inhibits DNA replication and repair and RNA and protein synthesis.

BPH-675 is a bioactive chemical.

Ingenol 3,20-dibenzoate is a powerful activator of protein kinase C (PKC) isoforms that effectively induces the translocation of nPKC-delta, -epsilon, and -theta, as well as PKC-mu, from the cytosolic fraction to the particulate fraction. Through de novo synthesis of macromolecules, it triggers apoptosis with characteristic morphology. Moreover, Ingenol 3,20-dibenzoate enhances IFN-γ production and degranulation in NK cells, particularly when stimulated by NSCLC cells[1][2].

XMU-MP-3 is a robust, non-covalent inhibitor of BTK, exhibiting exceptional potency with IC50 values of 10.7 nM and 17.0 nM for BTK WT and BTK C481S mutation, respectively, in the presence of 10 μM ATP. Moreover, XMU-MP-3 elicits apoptosis.

Ac-IETD-CHO TFA is a granzyme B and caspase-8 inhibitor that inhibits caspase8 activity by blocking caspase3 precursor cleavage.Ac-IETD-CHO TFA inhibits Fas-mediated apoptosis.

Vatiquinone, also known as EPI 743, is an orally bioavailable para-benzoquinone being developed for inherited mitochondrial diseases. The mechanism of action of EPI-743 involves augmenting the synthesis of glutathione, optimizing metabolic control, enhanc

Thalidomide-O-amido-C4-NH2 hydrochloride, a synthesized E3 ligase ligand-linker conjugate, combines the cereblon ligand derived from Thalidomide with a linker and is commonly used in the synthesis of PROTACs[1].