1333 Results for "

aggregation

" in MedChemExpress (MCE) Product Catalog:
Products (1333)

1333 Results for "aggregation" in MCE Product Catalog:

Cat. No.: HY-D3120
CAS No.: 2246946-53-0
Target:  

Fluorescent Dye

Research Areas:  

Others

LysoAIE2 is a Fluorescent probe for lysosomal viscosity detection and live-cell imaging. Its detection mechanism relies on the aggregation-induced emission effect: it exhibits only weak fluorescence in non-viscous media; in viscous environments, restricted intramolecular motion inhibits non-radiative energy dissipation pathways, thereby significantly enhancing fluorescence intensity. It achieves specific targeting of lysosomes through the proton acceptor property of its indole ring structure, while its hydroxyl group endows it with excellent water solubility. This probe is basically unaffected by microenvironmental polarity and pH within the range of pH 4.0 to pH 8.0, which avoids interference from these factors in viscosity measurement. LysoAIE2 has an emission wavelength of 570 nm. It can be used to monitor lysosomal viscosity changes during processes such as Dexamethasone (HY-14648)-induced lysosomal migration and starvation-induced mitophagy in live cells; at concentrations up to 40 μM, cell viability remains above 80%, demonstrating excellent biocompatibility .
loading...
    loading...
Cat. No.: HY-N1775
CAS No.: 1197-09-7
Synonyms: 3,4-DHAP
3',4'-Dihydroxyacetophenone (3,4-DHAP) is a phenolic compound with oral bioavailability, possessing potent antioxidant, anti-inflammatory, anticancer and cardiovascular protective activities. 3',4'-Dihydroxyacetophenone inhibits mushroom Tyrosinase activity with an IC50 of 10 μM, thereby suppressing melanogenesis . 3',4'-Dihydroxyacetophenone inhibits platelet aggregation in platelet-rich plasma. 3',4'-Dihydroxyacetophenone reduces ROS levels in human umbilical vein endothelial cells treated with high glucose, upregulates the expression of Nrf2, HO-1 and PARP-1 in cells, and promotes the nuclear translocation of Nrf2 . 3',4'-Dihydroxyacetophenone induces autophagy and apoptosis. 3',4'-Dihydroxyacetophenone inhibits seed germination/growth in most plants. 3',4'-Dihydroxyacetophenone can be used in the research of cancer, neurodegenerative diseases, non-alcoholic steatohepatitis, diabetes, obesity, skin pigmentation disorders, and cardiovascular and cerebrovascular diseases .
loading...
    loading...
Cat. No.: HY-N2600R
CAS No.: 76472-87-2
Kuwanon H (Standard) is the analytical standard of Kuwanon H. This product is intended for research and analytical applications. Kuwanon H is a selective non-peptide bombesin receptor antagonist and platelet activation inhibitor. Kuwanon H also acts as a specific antagonist of GRP-preferring receptors, with a Ki value of 290 nM for mouse GRP-R and 6500 nM for rat NMB-R. Kuwanon H inhibits the phosphorylation of AKT, mTOR, ERK, cPLA2 and p38, and upregulates TRIB3. It induces endoplasmic reticulum stress, apoptosis and autophagosome formation. Kuwanon H blocks calcium mobilization, mitogenic signaling, DNA synthesis, dense granule secretion, thromboxane A2 generation and integrin αIIb/β3 activity. It inhibits collagen-induced platelet aggregation and fibronectin adhesion, and delays clot retraction. Kuwanon H inhibits melanoma cell growth in vitro and in vivo, and enhances the sensitivity of melanoma cells to CDDP. It can be used in research related to melanoma, small cell lung cancer and thrombosis .
loading...
    loading...
Cat. No.: HY-N9454
CAS No.: 91893-83-3
Garcinoic acid is an orally active anti-inflammatory agent that crosses the blood-brain barrier. Garcinoic acid also enhances efferocytosis and enzyme/receptor regulation, and selectively inhibits human COX-2, porcine α-amylase, Saccharomyces cerevisiae α-glucosidase and human DNA polymerase β (IC50=11 μM), as well as activates human PXR. Garcinoic acid enhances macrophage efferocytosis via receptors such as MerTK and LRP-1, and promotes the production of pro-resolving lipid mediators. Garcinoic acid inhibits NF-κB activation and pro-inflammatory cytokine secretion, interferes with aggregation, downregulates NLRP3 inflammasome activity, and binds to targets including CD44 and EGFR to inhibit leukemia cell proliferation. The pharmacological activities of Garcinoic acid, such as antioxidant, anti-inflammatory and lipid metabolism-regulating effects, are widely used in studies related to various diseases including atherosclerosis, Alzheimer's disease, type 2 diabetes, inflammatory bowel disease and viral pneumonia .
loading...
    loading...
Cat. No.: HY-P1189
CAS No.: 154303-05-6
Echistatin is a naturally derived RGD-containing snake venom peptide. Echistatin exhibits an IC50 of 0.6 nM against mouse αvβ3 integrin, and acts as an antagonist against αvβ3, αII3, α5β1 integrins, pp125 FAK and paxillin. Echistatin reduces the phosphorylation of pp125 FAK and paxillin, inhibits the autophosphorylation and kinase activity of pp125 FAK, and weakens its binding to pp60src and paxillin. Echistatin disrupts the actin cytoskeleton and focal adhesions, induces melanoma cell detachment from fibronectin, and regulates cell adhesion and motility. Echistatin inhibits osteoclast maturation and migration, bone resorption, platelet aggregation, bone loss, as well as adhesion and metastasis of Lewis lung cancer cells; it also increases the number of osteoclasts and bone coverage area in mice with secondary hyperparathyroidism. Echistatin can be used in research related to melanoma, lung cancer and secondary hyperparathyroidism .
loading...
    loading...
Cat. No.: HY-P1189A
Echistatin TFA is a naturally derived RGD-containing snake venom peptide. Echistatin TFA exhibits an IC50 of 0.6 nM against mouse αvβ3 integrin, and acts as an antagonist against αvβ3, αII3, α5β1 integrins, pp125 FAK and paxillin. Echistatin TFA reduces the phosphorylation of pp125 FAK and paxillin, inhibits the autophosphorylation and kinase activity of pp125 FAK, and weakens its binding to pp60src and paxillin. Echistatin TFA disrupts the actin cytoskeleton and focal adhesions, induces melanoma cell detachment from fibronectin, and regulates cell adhesion and motility. Echistatin TFA inhibits osteoclast maturation and migration, bone resorption, platelet aggregation, bone loss, as well as adhesion and metastasis of Lewis lung cancer cells; it also increases the number of osteoclasts and bone coverage area in mice with secondary hyperparathyroidism. Echistatin TFA can be used in research related to melanoma, lung cancer and secondary hyperparathyroidism .
loading...
    loading...
Cat. No.: HY-P1889A
Target:  

Bcl-2 Family Amyloid-β

Research Areas:  

Neurological Disease

Bim BH3, Peptide IV TFA is an 42-binding peptide and the pro-apoptotic BH3 domain of the BIM protein. Bim BH3, Peptide IV TFA binds 42 with a Kd of 7.1 μM. Bim BH3, Peptide IV TFA modulates 42 structure, fibrillization pathways, aggregate morphology, and membrane interactions, inhibiting fibril formation while enhancing protofibril assembly. Bim BH3, Peptide IV TFA promotes 42 β-sheet formation and accelerates aggregation. Bim BH3, Peptide IV TFA enhances 42 membrane internalization and bilayer stiffening. Bim BH3, Peptide IV TFA induces neuronal cell death by enhancing BH3-induced membrane interactions of 42 prefibrillar species. Bim BH3, Peptide IV TFA can be used for research on Alzheimer's disease .
loading...
    loading...
Cat. No.: HY-W745845
CAS No.: 131741-08-7
Synonyms: (rac)-Levosimendan; (rac)-Simsndan; (rac)-OR-1259
Research Areas:  

Cardiovascular Disease

Simendan ((rac)-Levosimendan; (rac)-Simsndan; (rac)-OR-1259) is a calcium-sensitizing positive inotropic vasodilator compound that enhances myocardial contractility through calcium-dependent binding to cardiac troponin C and selectively inhibits cardiac phosphodiesterase (Phosphodiesterase) III, while inducing coronary and peripheral vasodilation and anti-ischemic effects. Simendan can be used for research on congestive heart failure, acute heart failure, myocardial infarction, myocardial ischemia, and thrombotic diseases .
loading...
    loading...
Cat. No.: HY-112624B
CAS No.: 9004-54-0
Synonyms: Dextran 70; Dextran D70; Dextran T70(MW 64000-76000)
Dextran 70,000 is a high molecular weight polysaccharide formed by glucose linked by α-(1→6) glycosidic bonds. Dextran 70,000 can expand blood volume through colloidal osmotic pressure effect and inhibit cell adhesion and platelet aggregation through steric hindrance. At the same time, Dextran 70,000 can be used as a drug carrier to achieve targeted delivery through endocytosis. Dextran 70,000 is biologically inert and has low immunogenicity. It can be used for clinical blood volume expansion, anti-thrombotic research, and evaluation of vascular permeability in in vitro experiments. It can also be combined with fluorescent dyes for cell tracking and drug delivery research. The Dextran series of compounds are also natural polysaccharide drug carriers that can be connected to drugs through covalent bonding methods such as ester bonds, amide bonds or click chemistry, or self-assembled to form carriers such as nanoparticles and hydrogels. Dextran is biodegradable and biocompatible, and can achieve targeted delivery and controlled release of drugs. Dextran derivatives can prolong the half-life of drugs, increase local concentrations, and reduce the activity of immune clearance.
loading...
    loading...
Cat. No.: HY-125782
CAS No.: 210978-26-0
Purity:  98.0%
Synonyms: 15(R)-15-Methyl PGD2
Research Areas:  

Metabolic Disease

15(R)-15-Methyl prostaglandin D2 (15(R)-15-methyl PGD2) is a metabolically stable synthetic analog of PGD2. The physiological actions of PGD2 include regulation of sleep, lowering of body temperature, inhibition of platelet aggregation and relaxation of vascular smooth muscle. PGD2 mediates its effects by 2 distinct G-protein-coupled receptors, DP1and CRTH2/DP2. 15(R)-15-Methyl prostaglandin D2 is a potent, selective agonist for the CRTH2/DP2 receptor. The EC50 values for eosinophil CD11b expression, actin polymerization, and chemotaxis are 1.4, 3.8, and 1.7 nM, respectively, each of which is approximately 3-5 fold lower than those for PGD2. In contrast the EC50 for the DP1-mediated increase in platelet cAMP by 15(R)-15-methyl PGD2 is >10 μM.
loading...
    loading...
Cat. No.: HY-15136R
CAS No.: 193275-84-2
Synonyms: Sch66336 (Standard)
Lonafarnib (Standard) (Sch66336 (Standard)) is the analytical standard of Lonafarnib (HY-15136). This product is intended for research and analytical applications. Lonafarnib (Sch66336) is an orally active, blood-brain barrier penetrant farnesyltransferase (FPTase) inhibitor. Lonafarnib increases the phosphorylation levels of Akt, CaMKII and CREB, upregulates BDNF expression in the hippocampus, elevates the content of α7nAChR on cell membranes, and blocks the isoprenylation of H-Ras. Lonafarnib repairs synapses and reverses spatial memory deficits in Aβ1-42 model mice. Lonafarnib inhibits RSV fusion and replication, and alleviates virus-induced lung injury. Lonafarnib activates the lysosomal and autophagic pathways, and reduces the phosphorylation and aggregation of tau. Lonafarnib acts synergistically with Sorafenib (HY-10201) to promote apoptosis, and inhibits the proliferation and invasion of melanoma cells. Lonafarnib inhibits the farnesylation of progerin, repairs nuclear membrane defects, and activates the cGAS-STING-STAT1 signaling pathway. Lonafarnib can be used in research related to diseases including Alzheimer's disease, viral infections, melanoma, and progeria .
loading...
    loading...
Cat. No.: HY-155882
CAS No.: 80506-64-5
Synonyms: mPEG750-NH2
mPEG750-amine (mPEG750-NH2) is a chemical modification reagent for nanoparticles, capable of covalently binding to Ad-PVA to form Ad-PVA-PEG polymers. mPEG750-amine stabilizes gene delivery complexes by providing steric hindrance, reducing particle aggregation, while enhancing the water solubility and serum stability of the complex, reducing carrier cytotoxicity, and assisting in the efficient condensation of pDNA by cationic components to form nanoparticles that can be endocytosed by cells. mPEG750-amine can also be used to synthesize folate-conjugated polymer micelles for encapsulating the anticancer agent Camptothecin (HY-16560). Folate-conjugated polymer micelles are effective carriers for poorly soluble anticancer drugs, capable of avoiding macrophages and acting through folate receptor (FR)-mediated endocytosis to target tumor cells. mPEG750-amine can be applied to research in the field of non-viral gene delivery, as a component of gene delivery vectors, facilitating the safe and efficient delivery of nucleic acid drugs to target cells .
loading...
    loading...
Cat. No.: HY-171705
CAS No.: 1478585-60-2
KMS99220 is an orally active, blood-brain barrier-permeable activator of the Nrf2 inhibitory protein Keap-1. KMS99220 enhances the activity of AMPK, activates the Nrf2 signaling pathway, and reduces the phosphorylation of IκB, nuclear translocation of NFκB, as well as the phosphorylation levels of JNK, IKK and p38 MAPK via HO-1. KMS99220 binds to Keap1 to trigger the nuclear translocation of Nrf2, induces the expression of HO-1, NQO1, GCLC, GCLM and proteasome subunits; enhances proteasomal enzymatic activity; inhibits iNOS expression, nitric oxide production and IL-1β generation; attenuates microglial activation; reduces α-synuclein aggregation; and prevents dopaminergic neuron degeneration and motor dysfunction. KMS99220 prevents the degeneration of dopaminergic neurons in the substantia nigra, induces the expression of Nrf2 downstream target genes, and effectively ameliorates associated motor dysfunction in a mouse model of Parkinson's disease. KMS99220 is applicable to research related to Parkinson's disease .
loading...
    loading...
Cat. No.: HY-B0364AR
CAS No.: 536-43-6
Synonyms: Dyclocaine hydrochloride (Standard)
Dyclonine hydrochloride (Standard) (Dyclocaine hydrochloride (Standard)) is the analytical standard of Dyclonine hydrochloride (HY-B0364A). This product is intended for research and analytical applications. Dyclonine hydrochloride (Dyclocaine hydrochloride) is an orally active, blood-brain barrier-permeable piperidine phenylacetone small molecule commonly used as a local anesthetic. Dyclonine hydrochloride acts as a highly selective allosteric antagonist of TRPV3; it also reversibly inhibits G9a, ALDH2 and ALDH3A1, non-competitively blocks AChE. Dyclonine hydrochloride activates the Nrf2/ARE pathway, relieves the epigenetic silencing of FXN, blocks Aβ42 aggregation, and promotes remyelination and reparative polarization of microglia. Dyclonine hydrochloride alleviates pruritus via TRPV3 inhibition; it is used in studies of neurodegenerative disease models based on its AChE inhibitory, antioxidant and remyelinating effects; it sensitizes drug-resistant tumors through ALDH inhibition, and combined use with protease inhibitors induces more tumor cell apoptosis; it inhibits Candida albicans in vitro. Dyclonine hydrochloride can be used for research on multiple diseases including neurodegenerative diseases, cancer and pruritic dermatitis .
loading...
    loading...
Cat. No.: HY-B0364AS
Synonyms: Dyclocaine-d9 hydrochloride
Dyclonine-d9 hydrochloride (Dyclocaine-d9 hydrochloride) is the deuterated-labeled Dyclonine hydrochloride (HY-B0364A). Dyclonine hydrochloride (Dyclocaine hydrochloride) is an orally active, blood-brain barrier-permeable piperidine phenylacetone small molecule commonly used as a local anesthetic. Dyclonine hydrochloride acts as a highly selective allosteric antagonist of TRPV3; it also reversibly inhibits G9a, ALDH2 and ALDH3A1, non-competitively blocks AChE. Dyclonine hydrochloride activates the Nrf2/ARE pathway, relieves the epigenetic silencing of FXN, blocks Aβ42 aggregation, and promotes remyelination and reparative polarization of microglia. Dyclonine hydrochloride alleviates pruritus via TRPV3 inhibition; it is used in studies of neurodegenerative disease models based on its AChE inhibitory, antioxidant and remyelinating effects; it sensitizes drug-resistant tumors through ALDH inhibition, and combined use with protease inhibitors induces more tumor cell apoptosis; it inhibits Candida albicans in vitro. Dyclonine hydrochloride can be used for research on multiple diseases including neurodegenerative diseases, cancer and pruritic dermatitis .
loading...
    loading...
Cat. No.: HY-N8693
CAS No.: 362472-81-9
Withanoside IV is an orally active, blood-brain barrier-permeable withanolide derivative. Withanoside IV specifically binds to the Sudlow I site of HSA, induces secondary structural changes in HSA, and forms stable HSA complexes. Withanoside IV inhibits the enzymatic activity of COX-2. Withanoside IV induces axonal regeneration, peripheral nervous system myelination and increased axonal density in spinal cord tissue, reduces reactive gliosis-related changes, and improves hindlimb motor function. Withanoside IV binds to amyloid-β 1-42 to inhibit its aggregation, induces neurite outgrowth and synapse reconstruction, repairs damaged axons and dendrites, enhances mitochondrial biogenesis, exerts neuroprotective effects via the BDNF and SIRT1 signaling pathways, reduces ROS production and neuronal apoptosis, and ameliorates memory deficits. Withanoside IV inhibits the activity of the SARS-CoV-2 main protease. Withanoside IV can be used in research related to spinal cord injury, Alzheimer's disease, and coronavirus disease 2019 (COVID-19) .
loading...
    loading...
Cat. No.: HY-Y0790R
CAS No.: 122-03-2
Synonyms: p-Isopropylbenzaldehyde (Standard)
Cuminaldehyde Standard is the analytical standard of Cuminaldehyde. This product is intended for research and analytical applications. Cuminaldehyde is the main component of Cuminum cyminum and has multiple biological activities, including anti-inflammatory, anti-cancer, anti-diabetic, anti-injury, anti-neuropathy and antibacterial effects. Cuminaldehyde is an inhibitor of aldose reductase (IC50= 0.00085 mg/mL) and α-glucosidase (IC50=0.5 mg/mL). Cuminaldehyde also inhibits the fibrillation of α-synuclein and prevents its aggregation Cuminaldehyde can induce apoptosis in colon adenocarcinoma cells by targeting topoisomerase I and II. In addition, Cuminaldehyde also exerts anti-inflammatory activity by inhibiting lipoxygenase. Cuminaldehyde has a strong inhibitory effect on the growth of Aspergillus flavus and the biosynthesis of aflatoxin B1 (AFB1). Cuminaldehyde can exert anti-injury and anti-neuropathy effects by participating in opioid receptors, L-arginine/NO/cGMP pathways and anti-inflammatory effects. Cuminaldehyde has potential application value in the research of neurodegenerative diseases, cancer, diabetes and neuropathic pain diseases .
loading...
    loading...
Cat. No.: HY-L193
1,006 compounds

Since ancient times, promoting blood circulation for removing blood stasis (PBCRBS) has been one of the most popular research contents in the area of traditional Chinese medicine (TCM) and integrated medicine. Rhizoma, Persicae Semen, Carthami Flos, Curcumae Longae Rhizoma and so on are common TCM with PBCRBS characteristic. Studies have shown that the mechanism of action of PBCRBS TCM is to promote blood circulation (improving cardiovascular and cerebrovascular functions, physical and chemical properties of blood, platelet and coagulation system and other physiological functions) and remove blood stasis (anti-myocardial ischemia, cerebral ischemia, inhibition of platelet aggregation, anti-coagulation, anti-thrombosis, etc.). Not only that, PBCRBS TCM has anti-infection, inhibit inflammation, regulate immune function, inhibit immune response, inhibit abnormal tissue proliferation and other functions. Therefore, PBCRBS TCM has high research value in all- field disease research fields.

MCE can supply 1,006 monomer component from more than a hundred sources of PBCRBS TCM, which can be used in TCM studies, drug development and mechanism-based studies.

Cat. No.: HY-N21770
CAS No.: 303088-44-0
Densiflorol A is a bibenzyl compound and anticancer agent. Densiflorol A can be isolated from Bulbophyllum kwangtungense. Densiflorol A exhibits antitumor activity against leukemia and cervical cancer .
loading...
    loading...
Cat. No.: HY-13443S
Synonyms: Exenatide (Leu-13C6,15N) TFA
Exendin-4 (Leu- 13C6, 15N) TFA (Exenatide (Leu- 13C6, 15N) TFA) is the 13C, 15N-labeled Exendin-4 (HY-13443). Exendin‑4 (Exenatide) is an orally active, blood-brain barrier-permeable glucagon-like peptide-1 receptor (GLP‑1 receptor) agonist that resists degradation mediated by dipeptidyl peptidase IV. Exendin‑4 mediates multiple glucose-regulating effects, including stimulation of glucose-dependent insulin secretion, inhibition of glucagon production, increase in β-cell mass, delay of gastric emptying, reduction of food intake, improvement of peripheral insulin sensitivity, and restoration of normal islet structure. Exendin‑4 inhibits oxidative stress, alleviates inflammatory responses, and reduces neuronal apoptosis. Exendin‑4 reduces the aggregation level of mutant huntingtin, improves motor function, prolongs survival time, and regulates the expression levels of leptin and ghrelin. Exendin‑4 can be used in research related to type 2 diabetes, acute ischemic stroke, and Huntington's disease .
loading...
    loading...