522 Results for "

B cell activation

" in MedChemExpress (MCE) Product Catalog:
Products (522)

522 Results for "B cell activation" in MCE Product Catalog:

582
582 Publications Verification
Cat. No.: HY-D1056
Synonyms: LPS, from Escherichia coli (O55:B5)
Lipopolysaccharides, from E. coli O55:B5 (LPS, from Escherichia coli (O55:B5)) are endotoxins and TLR4 activators extracted from Escherichia coli (E. coli O55:B5) and are classified as S (smooth) type LPS. Lipopolysaccharides, from E. coli O55:B5 possess the typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Lipopolysaccharides, from E. coli O55:B5 activate TLR-4 in immune cells, exhibit high pyrogenicity, and demonstrate dose and serotype specificity. Lipopolysaccharides, from E. coli O55:B5 can be widely used to induce cellular inflammation and establish animal models related to inflammation .
It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
loading...
    loading...
213
213 Cited Publications
Cat. No.: HY-B0579
CAS No.: 59865-13-3
Synonyms: Cyclosporine A; Ciclosporin A; CsA
Cyclosporin A (Cyclosporine A) is an immunosuppressant which binds to the cyclophilin and inhibits phosphatase activity of protein phosphatase 2B (PP2B/calcineurin) with an IC50 of 5 nM . Cyclosporin A is a molecular glue, binds to cyclophilin and calcineurin, leading to inactivation of nuclear Factor of activated T Cells (NFAT) and a subsequent decrease in the immune response. Cyclosporin A also inhibits CD11a/CD18 adhesion .
loading...
    loading...
56
56 Cited Publications
Cat. No.: HY-14452
CAS No.: 125256-00-0
Purity:  99.85%
Synonyms: 125B11
Research Areas:  

Cancer

Fatostatin (125B11), a specific inhibitor of SREBP activation, impairs the activation of SREBP-1 and SREBP-2. Fatostatin binds to SCAP (SREBP cleavage-activating protein), and inhibits the ER-Golgi translocation of SREBPs. Fatostatin decreases the transcription of lipogenic genes in cells. Fatostatin possesses antitumor properties, and lowers hyperglycemia in ob/ob mice .
loading...
    loading...
56
56 Cited Publications
Cat. No.: HY-14452A
CAS No.: 298197-04-3
Purity:  99.52%
Synonyms: 125B11 hydrobromide
Research Areas:  

Cancer

Fatostatin hydrobromide (125B11 hydrobromide), a specific inhibitor of SREBP activation, impairs the activation of SREBP-1 and SREBP-2. Fatostatin hydrobromide binds to SCAP (SREBP cleavage-activating protein), and inhibits the ER-Golgi translocation of SREBPs. Fatostatin hydrobromide decreases the transcription of lipogenic genes in cells. Fatostatin hydrobromide possesses antitumor properties, and lowers hyperglycemia in ob/ob mice .
loading...
    loading...
52
52 Cited Publications
Cat. No.: HY-15676
CAS No.: 1229705-06-9
Purity:  99.93%
Synonyms: RG7388
Idasanutlin (RG7388) is an orally bioavailable MDM2 inhibitor with an IC50 of 6 nM. Idasanutlin disrupts MDM2-p53 binding, stabilizes and activates p53, triggering cell cycle arrest, apoptosis, and reduced cancer cell viability. Idasanutlin reduces EGFR protein expression and phosphorylation, suppresses downstream SHP2, MEK1/2, ERK1/2, AKT, mTOR, p70(S6K1), and S6 signaling. Idasanutlin induces mitochondrial ROS production, drives p38 MAPK phosphorylation, upregulates NOXA, and mediates caspase-3-dependent apoptosis and gasdermin E-mediated pyroptosis. Idasanutlin can be used for the research of TP53-mutant non-small cell lung cancer, T-cell acute lymphoblastic leukemia, colorectal carcinoma, melanoma, diffuse large B-cell lymphoma, mantle cell lymphoma, non-Hodgkin lymphoma, severe fever with thrombocytopenia syndrome, neuroblastoma, acute lymphoblastic leukemia, relapsed or refractory acute myeloid leukemia, osteosarcoma, solid tumors, and hematological tumors .
loading...
    loading...
45
45 Cited Publications
Cat. No.: HY-N0176
CAS No.: 71939-50-9
Synonyms: Dihydroqinghaosu; β-Dihydroartemisinin; Artenimol
Dihydroartemisinin is an orally active metabolite of rtemisinin (HY-B0094) and antimalarial agent. Dihydroartemisinin induces Autophagy by inhibiting NF-κB activation. Dihydroartemisinin promotes ROS accumulation. Dihydroartemisinin exhibits anticancer activity in esophageal cancer cells. Dihydroartemisinin shows schistosomicidal activity against juvenile and adult worms of Schistosoma japonicum, reduces worm burden, and displays antiparasitic activity. Dihydroartemisinin can be used in research related to multiple myeloma, promyelocytic leukemia, esophageal cancer, and Schistosoma japonicum infection .
loading...
    loading...
31
31 Cited Publications
Cat. No.: HY-113134
CAS No.: 2140-46-7
Purity:  99.98%
Synonyms: 25-OHC
25-Hydroxycholesterol (25-OHC) is a metabolite of cholesterol that is produced and secreted by macrophages in response to Toll-like receptor (TLR) activation. 25-hydroxycholesterol is a potent (EC50≈65 nM) and selective suppressor of IgA production by B cells.
loading...
    loading...
25
25 Cited Publications
Cat. No.: HY-14909
CAS No.: 218600-44-3
Purity:  99.50%
Synonyms: CDDO; RTA 401
Bardoxolone (CDDO; RTA 401) is a Nrf2 activator. Bardoxolone shows anti-SARS-CoV-2 3CLpro with IC50 of 27.99 μM. Bardoxolone activates the Nrf2 pathway and inhibits the NF-κB pathway. Bardoxolone can induce cells differentiation, apoptosis and shows antiproliferative activity against cancer cells. Bardoxolone can increase ROS and decrease intracellular GSH levels. Bardoxolone inhibits Z-VAD-FMK (HY-16658B)-induced necroptosis. Bardoxolone can be used for the research of cancer, inflammation and infection, such as SARS-CoV infection and glioblastoma .
loading...
    loading...
25
25 Cited Publications
Cat. No.: HY-13817
CAS No.: 314245-33-5
Purity:  99.30%
IU1 is a selective, reversible USP14 inhibitor with an IC50 of 4-5 μM. IU1 binds USP14’s catalytic cleft to block deubiquitinase activity. IU1 induces calpain-dependent Tau cleavage, causes ATP deficits, reduces E1~Ub thioester levels and 26S proteasome assembly. IU1 enhances 26S proteasome chymotrypsin-like activity, modulates LC3B-dependent autophagy flux, reduces cancer cell proliferation and migration, and blocks G0/G1 to S phase cell cycle transition in follicular thyroid cancer cells. IU1 activates autophagy-lysosomal and ubiquitin-proteasome pathways, triggers apoptosis, and reduces cervical cancer cell growth. IU1 enhances degradation of proteasome substrates linked to neurodegenerative disease, accelerates oxidized protein degradation, and increases oxidative stress resistance. IU1 can be used for the research of Alzheimer’s disease, follicular thyroid cancer, ischemic stroke, cervical cancer, and neurodegenerative disease .
loading...
    loading...
24
24 Cited Publications
Cat. No.: HY-15417
CAS No.: 110448-33-4
Purity:  99.60%
ML-7 hydrochloride is a selective and highly specific myosin light chain kinase (MLCK) inhibitor that acts as a trabecular meshwork (TM) relaxant. ML-7 hydrochloride enhances Quinocetone (HY-123581)-induced phosphorylation of ERK, p38 MAPK and JNK, attenuates Akt activation, and promotes apoptosis of hepatocellular carcinoma cells. ML-7 hydrochloride reduces Th2 cytokine secretion by inhibiting MLCK, while alleviating smooth muscle hyperplasia and collagen deposition . As a non-antibiotic adjuvant, ML-7 hydrochloride restores the sensitivity of drug-resistant bacteria to Tigecycline (HY-B0117) . ML-7 hydrochloride can be used in research related to glaucoma, hepatocellular carcinoma, asthma, and Klebsiella pneumoniae infection .
loading...
    loading...
16
16 Cited Publications
Cat. No.: HY-N0637
CAS No.: 552-58-9
Synonyms: Huazhongilexone
Eriodictyol ((±)-Huazhongilexone; Dihydroluteolin) is an orally active TRPV1 receptor antagonist (IC50=44-47 nM, rTRPV1) with antioxidant and anti-inflammatory activities. Eriodictyol effectively inhibits lipid peroxidation and the release of proinflammatory cytokines by specifically antagonizing the TRPV1 receptor and activating the Nrf2 signaling pathway. Eriodictyol reduces the levels of ICAM-1, VEGF, eNOS and TNF-α in the retina and maintains the integrity of the blood-retinal barrier. Eriodictyol alleviates oxidative stress-induced apoptosis and hyperalgesia, enhances the activity and cytotoxicity of immune cells (such as B lymphocytes, NK cells and macrophages), and increases the levels of antioxidant enzymes simultaneously. Eriodictyol can be used in the research of diabetic retinopathy, acute lung injury and various pain-related diseases .
loading...
    loading...
13
13 Cited Publications
Cat. No.: HY-N0784
CAS No.: 15291-77-7
Synonyms: BN-52021
Ginkgolide B (BN-52021), a terpene lactone, is a potent platelet activating factor antagonist. Ginkgolide B protects endothelial cells via the activation of PXR from injuries induced by xeno- and endobiotics. Ginkgolide B can pass through the brain-blood barrier. Ginkgolide B has anti-oxidant, anti-inflammatory, anti-tumor, and anti-apoptotic activity. Ginkgolide B has marked neuroprotective effects against ischemia-induced impairments .
loading...
    loading...
13
13 Cited Publications
Cat. No.: HY-12467
CAS No.: 1338545-07-5
Purity:  99.74%
Target:  

TOPK CDK Apoptosis

Research Areas:  

Cancer

OTS964 hydrochloride is an orally active, high affinity and selective TOPK (T-lymphokine-activated killer cell-originated protein kinase) inhibitor with an IC50 of 28 nM . OTS964 hydrochloride is also a potent inhibitor of the cyclin-dependent kinase CDK11, which binds to CDK11B with a Kd of 40 nM .
loading...
    loading...
9
9 Cited Publications
Cat. No.: HY-10966
CAS No.: 405554-55-4
Purity:  99.77%
Target:  

Raf Apoptosis

SB-590885 is a BRAF/c-Raf kinase inhibitor that selectively targets B-Raf, and it amplifies the ERK/MAPK signaling pathway in RAS-activated cells. SB-590885 effectively inhibits the malignant proliferation, transformation and tumorigenicity of oncogenic B-Raf cells; it also induces the proliferation of erythroid progenitor cells, delays their differentiation and promotes hemoglobin synthesis, thereby improving ineffective erythropoiesis and reducing apoptosis. SB-590885 exerts a synergistic effect with TGF-β inhibitors and glucocorticoids, significantly promoting the formation of erythroid colonies in cells from patients with Diamond-Blackfan anemia (DBA). SB-590885 is mainly used in relevant studies on DBA, cisplatin-induced myelosuppression-related anemia, and pan-cancers such as melanoma and colorectal cancer .
loading...
    loading...
9
9 Cited Publications
Cat. No.: HY-12695B
CAS No.: 207300-85-4
Purity:  ≥95.0%
Synonyms: 5'-GTP trisodium salt hydrate
Guanosine 5'-triphosphate (5'-GTP) trisodium salt hydrate is a G protein (G proteins) signaling activator and a high-energy precursor in the biosynthesis of nucleotide units in DNA and RNA. Guanosine 5'-triphosphate trisodium salt hydrate can promote myogenic cell differentiation by upregulating miRNA (miR133a, miR133b) and myogenic regulatory factor expression, and by inducing human myogenic precursor cells to release exosomes containing guanosine molecules. Guanosine-5'-triphosphate disodium salt hydrate holds promise for research in biosynthesis and skeletal muscle regeneration .
loading...
    loading...
9
9 Cited Publications
Cat. No.: HY-108543
CAS No.: 93718-83-3
Purity:  ≥99.0%
Target:  

Phosphatase Apoptosis

Research Areas:  

Cancer

NSC 95397 is a potent, selective Cdc25 dual specificity phosphatase inhibitor (Ki=32 nM (Cdc25A), 96 nM (Cdc25B), 40 nM (Cdc25C); IC50=22.3 nM (human Cdc25A), 56.9 nM (human Cdc25C), 125 nM (Cdc25B)) . NSC 95397 inhibits mitogen-activated protein kinase phosphatase-1 (MKP-1) and suppresses proliferation and induces apoptosis in colon cancer cells through MKP-1 and ERK1/2 pathway .
loading...
    loading...
9
9 Cited Publications
Cat. No.: HY-W010737
CAS No.: 56001-37-7
Synonyms: 5'-GTP disodium salt
Guanosine 5'-triphosphate (5'-GTP) trisodium salt is a G protein (G proteins) signaling activator and a high-energy precursor in the biosynthesis of nucleotide units in DNA and RNA. Guanosine 5'-triphosphate trisodium salt can promote myogenic cell differentiation by upregulating miRNA (miR133a, miR133b) and myogenic regulatory factor expression, and by inducing human myogenic precursor cells to release exosomes containing guanosine molecules. Guanosine-5'-triphosphate disodium salt holds promise for research in biosynthesis and skeletal muscle regeneration .
loading...
    loading...
8
8 Cited Publications
Cat. No.: HY-12294A
Purity:  ≥98.0%
Synonyms: NVP-AAM077 tetrasodium hydrate
Target:  

Apoptosis Caspase iGluR

Research Areas:  

Neurological Disease

PEAQX tetrasodium hydrate (NVP-AAM077 tetrasodium hydrate) is a tetrasodium hydrate of PEAQX (HY-12294). PEAQX tetrasodium hydrate is an orally active and selective NMDA antagonist, with IC50 values of 270 nM and 29.6 μM for hNMDAR 1A/2A and hNMDAR 1A/2B, respectively. PEAQX tetrasodium hydrate can promote the activation of caspase-3 and induce cell apoptosis in cortical striatal slice cultures .
loading...
    loading...
7
7 Cited Publications
Cat. No.: HY-N6771
CAS No.: 18172-33-3
Cyclopiazonic acid is an endoplasmic reticulum calcium ATPase (ECAs) inhibitor and human respiratory syncytial virus (RSV) inhibitor (EC50 value of 4.13 μ M), which can reduce the antagonistic effect of 5-HT receptors in rat thoracic aorta, induce p53 dependent cell apoptosis and reproductive toxicity in mouse testes, and inhibit the biological activation of aflatoxin B [1][4][5].
loading...
    loading...
6
6 Cited Publications
Cat. No.: HY-D1056A1
Synonyms: LPS, from Escherichia coli (O111:B4)
Lipopolysaccharides, from E. coli O111:B4 (LPS, from Escherichia coli (O111:B4)) are endotoxins and TLR4 activators extracted from Escherichia coli (E. coli O111:B4) and are classified as S (smooth) type LPS. Lipopolysaccharides (LPS), from E. coli O111:B4 possess the typical three-part structure: O-antigen, R3-type core oligosaccharide, and lipid A. Lipopolysaccharides (LPS), from E. coli O111:B4 activate TLR-4 in immune cells and can cause significant gastric diseases. Lipopolysaccharides (LPS), from E. coli O111:B4 can be used to induce cellular inflammation and establish animal models related to inflammation .
It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
loading...
    loading...