2. Signaling Pathways
  3. Neuronal Signaling
  4. Amyloid-β

Amyloid-β

β-amyloid peptide; Aβ; Abeta

Amyloid-β

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Amyloid-β (Aβ) denotes peptides of 36–43 amino acids that are crucially involved in Alzheimer's disease as the main component of theamyloid plaques found in the brains of Alzheimer patients. The peptides result from the amyloid precursor protein (APP), which is being cut by certain enzymes to yield Aβ. Amyloid-β molecules can aggregate to form flexible soluble oligomers which may exist in several forms. Amyloid-β peptide is due to overproduction of Aβ and/or the failure of clearance mechanisms. Amyloid-β self-aggregates into oligomers, which can be of various sizes, and forms diffuse and neuritic plaques in the parenchyma and blood vessels. Amyloid-β oligomers and plaques are potent synaptotoxins, block proteasome function, inhibit mitochondrial activity, alter intracellular Ca2+levels and stimulate inflammatory processes. Loss of the normal physiological functions of Aβ is also thought to contribute to neuronal dysfunction.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-137315
    TML-6
    		Inhibitor 99.01%
    TML-6, an orally active curcumin derivative, inhibits the synthesis of the β-amyloid precursor protein and β-amyloid (Aβ). TML-6 can upregulate Apo E, suppress NF-κB and mTOR, and increase the activity of the anti-oxidative Nrf2 gene. TML-6 has the potential for Alzheimer’s disease (AD) research.
    TML-6
  • HY-111383
    LX2343
    		Inhibitor 99.80%
    LX2343 is a BACE1 enzyme inhibitor with an IC50 value of 11.43±0.36 μM. LX2343 acts as a non-ATP competitive PI3K inhibitor with an IC50 of 15.99±3.23 μM. LX2343 stimulates autophagy in its promotion of Aβ clearance.
    LX2343
  • HY-P1387
    β-Amyloid (1-40) (rat)
    		99.58%
    β-Amyloid (1-40) (rat) is a rat form of the amyloid β-peptide, which accumulates as an insoluble extracellular deposit around neurons, giving rise to the senile plaques associated with Alzheimer's disease (AD). β-Amyloid (1-40) (rat) increases 45Ca2+ influx, induces neurodegeneration in the rat hippocampal neurons of the CA1 subfield. β-Amyloid (1-40) (rat) induces apoptosis. β-Amyloid (1-40) (rat) can be used for the research of Alzheimer's disease.
    β-Amyloid (1-40) (rat)
  • HY-P1046
    β-Amyloid (1-15)
    		98.01%
    β-Amyloid (1-15) is a fragment of β-Amyloid peptide. Beta-amyloid is a peptide that forms amyloid plaques in the brains of Alzheimer's disease (AD) patients.
    β-Amyloid (1-15)
  • HY-100275
    MK-3328
    		Inhibitor 99.70%
    MK-3328 is a β-Amyloid ligand, which exhibits high binding potency with an IC50 of 10.5 nM. MK-3328 is capable of being labelled with 18F for positron emission tomography (PET) imaging.
    MK-3328
  • HY-119173
    PBD-150
    		Inhibitor 99.53%
    PBD-150 is a human glutaminyl cyclase (hQC) Y115E-Y117E variant inhibitor, with a Ki value of 490 nM.
    PBD-150
  • HY-W117986
    Aβ aggregation-IN-1
    		Inhibitor 99.92%
    Aβ aggregation-IN-1 (Compound 1b) is an amyloid-beta precursor protein inhibitor. Aβ aggregation-IN-1 inhibits amyloid-beta aggregation and disaggregation of fibrillogenesis with IC50 values of 3.92 and 7.19 M, respectively. Aβ aggregation-IN-1 also inhibits malondialdehyde formation, augments the intracellular reduced glutathione (GSH) levals and inhibits caspase 3 in neuronal cells.
    Aβ aggregation-IN-1
  • HY-14602S
    Tramiprosate-d6
    		Inhibitor 98.0%
    Tramiprosate-d6 is the deuterium labeled Tramiprosate. Tramiprosate (Homotaurine), an orally active and brain-penetrant natural amino acid found in various species of red marine algae. Tramiprosate binds to soluble Aβ and maintains Aβ in a non-fibrillar form. Tramiprosate is also a GABA analog and possess neuroprotection, anticonvulsion and antihypertension effects.
    Tramiprosate-d<sub>6</sub>
  • HY-D2268A
    QM-FN-SO3 ammonium
    QM-FN-SO3 ammonium is a BBB-penetrable near-infrared (NIR) aggregation-induced emission (AIE)-active probe for Aβ plaques. QM-FN-SO3 ammonium can be used for in vivo detection of Aβ plaques. QM-FN-SO3 ammonium has ultra-high S/N ratio, binding affinity, and high-performance NIR emission.
    QM-FN-SO3 ammonium
  • HY-P6306A
    CS-6253 TFA
    		Inhibitor 98.53%
    CS-6253 TFA is an agonist of ABCA1. CS-6253 TFA can regulate lipoprotein metabolism, promote high-density lipoprotein biogenesis, and cellular cholesterol efflux. CS-6253 TFA also has certain neuroprotective effects and can clear Aβ from the brain. CS-6253 TFA can be used for research on cholesterol metabolism and diseases such as Alzheimer’s disease.
    CS-6253 TFA
  • HY-D2268
    QM-FN-SO3
    QM-FN-SO3 is a BBB-penetrable near-infrared (NIR) aggregation-induced emission (AIE)-active probe for Aβ plaques. QM-FN-SO3 can be used for in vivo detection of Aβ plaques. QM-FN-SO3 has ultra-high S/N ratio, binding affinity, and high-performance NIR emission.
    QM-FN-SO3
  • HY-P4637
    Ile-Phe
    Ile-Phe is a dipeptide that self-associates in aqueous solution to form a transparent thermoreversible gel formed by a network of fibrillar nanostructures. It may be involved in triggering self-assembly processes such as amyloid formation.
    Ile-Phe
  • HY-W594851
    Biphenyl-3′,3,4,4′-tetrol
    		Inhibitor 98.31%
    Biphenyl-3′,3,4,4′-tetrol (BPT) is a potent Aβ40 aggregation inhibitor. Biphenyl-3′,3,4,4′-tetrol (BPT) can be used in the study of neurodegenerative diseases such as Alzheimer's disease.
    Biphenyl-3′,3,4,4′-tetrol
  • HY-19918A
    Anatabine dicitrate
    		Inhibitor 99.03%
    Anatabine dicitrate is a tobacco alkaloid that can cross the blood-brain barrier. Anatabine dicitrate is a potent α4β2 nAChR agonist. Anatabine dicitrate inhibits NF-κB activation lower amyloid-β (Aβ) production by preventing the β-cleavage of amyloid precursor protein (APP). Anatabine dicitrate has anti-inflammatory effects and has the potential for neurodegenerative disorders treatment.
    Anatabine dicitrate
  • HY-17406S1
    Tolcapone-d4
    		Inhibitor 99.13%
    Tolcapone-d4 (Ro 40-7592-d4) is the deuterium labeled Tolcapone (HY-17406). Tolcapone (Ro 40-7592) is a selective, potent and orally active COMT inhibitor with an IC50of 773 nM. Tolcapone can inhibits α-syn and Aβ42 oligomerization and fibrillogenesis. Tolcapone can cause oxidative stress and induce cancer cells apoptosis and ROS production. Tolcapone can be used for the researches of cancer and neurological disease, such as Parkinson disease and neuroblastoma.
    Tolcapone-d<sub>4</sub>
  • HY-16009B
    Buntanetap L-Tartrate
    		98.93%
    Buntanetap L-Tartrate (Phenserine L-Tartrate) is a selective AChE inhibitor (IC50 = 22.2 nM). Buntanetap is a multiple neurotoxic protein translation inhibitor with oral activity, including amyloid precursor protein (APP), α-synuclein (αSYN) and huntingtin protein (HTT). Buntanetap reduces the production of β-amyloid precursor protein by blocking its mRNA translation. Buntanetap has anti-inflammatory effects and can be used in the study of Alzheimer's disease and Parkinson's disease.
    Buntanetap L-Tartrate
  • HY-P1378A
    β-Amyloid (1-43)(human) TFA
    β-Amyloid (1-43)(human) TFA is more prone to aggregation and has higher toxic properties than the long-known Aβ1-42. β-Amyloid (1-43)(human) TFA shows a correlation with both sAPPα and sAPPβ. β-Amyloid (1-43)(human) TFA could be considered an added Alzheimer's disease (AD) biomarker together with the others already in use.
    β-Amyloid (1-43)(human) TFA
  • HY-P1474
    β-Amyloid (22-35)
    β-Amyloid 22-35 (Amyloid β-Protein 22-35), the residues 22-35 fragment ofβ-amyloid protein, has a cytotoxic effect on cultured neurons from the rat hippocampus in serum-free medium. β-Amyloid 22-35 forms aggregates and typical amyloid fibrils resembling those of the β-amyloid protein in neutral buffer solution).
    β-Amyloid (22-35)
  • HY-149764
    Aβ42 agonist-2
    		99.92%
    Aβ42 agonist-2 (compound 7b) is a small molecule compound that can promote Aβ42 aggregation. Aβ42 agonist-2 can interact with Aβ42 oligomers and pentamers to promote nontoxic aggregate self-assembly and rapid fibril formation. Aβ42 agonist-2 prevents Aβ42-induced cytotoxicity in HT22 hippocampal neuronal cells.
    Aβ42 agonist-2
  • HY-14533
    K 01-162
    		Inhibitor 98.0%
    K 01-162 (K162) inhibits the fibril formation of Aβ peptides and eliminates their neurotoxicity. K 01-162 binds with Aβ42 peptide with an EC50 value of 80 nM. K 01-162 binds directly to AβO with a KD value of 19 μM. K 01-162 is capable of penetrating the brain and can be used for the research of Alzheimer’s disease.
    K 01-162
Cat. No. Product Name / Synonyms Application Reactivity