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-13027
    DAPT
    		Inhibitor 99.97%
    DAPT (GSI-IX) is a potent and orally active γ-secretase inhibitor with IC50s of 115 nM and 200 nM for total amyloid-β (Aβ) and Aβ42, respectively. DAPT inhibits the activation of Notch 1 signaling and induces cell differentiation. DAPT also induces autophagy and apoptosis. DAPT has neuroprotection activity and has the potential for autoimmune and lymphoproliferative diseases, degenerative disease and cancers treatment.
    DAPT
  • HY-D0218
    Thioflavin T
    		98.45%
    Thioflavin T is a cationic Benzothiazole dye that shows enhanced fluorescence upon binding to amyloid in tissue sections.
    Thioflavin T
  • HY-P0128
    β-Amyloid (25-35)
    		99.84%
    β-Amyloid (25-35) (Amyloid beta-peptide (25-35)) is the fragment Aβ(25-35) of the Alzheimer's amyloid β-peptide, has shown neurotoxic activities in cultured cells.
    β-Amyloid (25-35)
  • HY-N0148
    Rutin
    		Inhibitor 98.09%
    Rutin (Rutoside) is a flavonoid found in many plants and shows a wide range of biological activities including anti-inflammatory, antidiabetic, antioxidant, neuroprotective, nephroprotective, hepatoprotective and reducing Aβ oligomer activities. Rutin is also a CBR1 inhibitor, which can cross the blood brain barrier. Rutin attenuates vancomycin-induced renal tubular cell apoptosis via suppression of apoptosis, mitochondrial dysfunction, and oxidative stress.
    Rutin
  • HY-P1363
    β-Amyloid (1-42), human TFA
    		99.66%
    β-Amyloid (1-42), human TFA (Amyloid β-Peptide (1-42) (human) TFA) is a 42-amino acid peptide which plays a key role in the pathogenesis of Alzheimer disease.
    β-Amyloid (1-42), human TFA
  • HY-P991045
    Donanemab (Mouse IgG2a)
    		99%
    Donanemab (Mouse IgG2a) (mE8-IgG2a) is a mouse-derived IgG2 monoclonal antibody used in the research of Alzheimer's disease.
    Donanemab (Mouse IgG2a)
  • HY-114508
    Dihydrochalcone
    		Inhibitor
    Dihydrochalcone (3-Phenylpropiophenone) is a BBB-penatrable Aβ aggregation inhibitor. Dihydrochalcone destabilizes Aβ17-42 protofibrils by disrupting the β-sheet of β1 region. Dihydrochalcone destabilizes both U-shaped Aβ40/Aβ42 protofibrils and S-shaped Aβ42 protofibrils by binding to the protofibril cavity. Dihydrochalcone is the main component of daemonorops draco tree.
    Dihydrochalcone
  • HY-P1363B
    β-Amyloid (1-42), human, HFIP-treated
    		99.89%
    β-Amyloid (1-42), human, HFIP-treated is a β-Amyloid (1-42), human (HY-P1363A) treated with HFIP. β-Amyloid (1-42), human (Amyloid β-Peptide (1-42) (human)) is a 42-amino acid peptide that causes neurotoxicity, which is related to the pathogenesis of Alzheimer's disease. β-Amyloid (1-42), human specifically interacts with the promoters of genes like LRP1 and KAI1. β-Amyloid (1-42), human can form oligomers and fibrils in vitro, and the oligomeric form is more neurotoxic than the fibrillar form.
    β-Amyloid (1-42), human, HFIP-treated
  • HY-19370
    FPS-ZM1
    		Inhibitor 99.87%
    FPS-ZM1 is a high-affinity RAGE inhibitor with a Ki of 25 nM.
    FPS-ZM1
  • HY-P1061
    Colivelin
    		99.27%
    Colivelin is a brain penetrant neuroprotective peptide and a potent activator of STAT3, suppresses neuronal death by activating STAT3?in vitro. Colivelin exhibits long-term beneficial effects against neurotoxicity, Aβ deposition, neuronal apoptosis, and synaptic plasticity deficits in neurodegenerative disease. Colivelin has the potential for the treatment of alzheimer's disease and ischemic brain injury
    Colivelin
  • HY-P1363A
    β-Amyloid (1-42), human
    		99.89%
    β-Amyloid (1-42), human (Amyloid β-peptide (1-42), human) is a 42-amino acid peptide which plays a key role in the pathogenesis of Alzheimer disease.
    β-Amyloid (1-42), human
  • HY-50682
    Azeliragon
    		Inhibitor 99.75%
    Azeliragon (TTP488) is an orally bioavailable inhibitor of the receptor for advanced glycation end products (RAGE) in development as a potential treatment to slow disease progression in patients with mild Alzheimer’s disease (AD). Azeliragon also can cross the blood-brain barrier (BBB).
    Azeliragon
  • HY-N0603
    20(S)-Ginsenoside Rg3
    		Inhibitor 99.65%
    20(S)-Ginsenoside Rg3 is the main component of Panax ginseng C. A. Meyer. Ginsenoside Rg3 inhibits Na+ and hKv1.4 channel with IC50s of 32.2±4.5 and 32.6±2.2 μM, respectively. 20(S)-Ginsenoside Rg3 also inhibits Aβ levels, NF-κB activity, and COX-2 expression.
    20(S)-Ginsenoside Rg3
  • HY-N0045
    Ginsenoside Rg1
    		Inhibitor 99.91%
    Ginsenoside Rg1 is one of the major active components of Panax ginseng. Ginsenoside Rg1 ameliorates the impaired cognitive function, displays promising effects by reducing cerebral Aβ levels. Ginsenoside Rg1 also reduces NF-κB nuclear translocation.
    Ginsenoside Rg1
  • HY-P1388
    β-Amyloid (1-42), (rat/mouse)
    		98.82%
    β-Amyloid (1-42), (rat/mouse) is a 42-aa peptide, shows cytotoxic effect on acute hippocampal slices, and used in the research of Alzheimer's disease.
    β-Amyloid (1-42), (rat/mouse)
  • HY-P1061A
    Colivelin TFA
    		99.52%
    Colivelin TFA is a brain penetrant neuroprotective peptide and a potent activator of STAT3, suppresses neuronal death by activating STAT3 in vitro. Colivelin TFA exhibits long-term beneficial effects against neurotoxicity, Aβ deposition, neuronal apoptosis, and synaptic plasticity deficits in neurodegenerative disease. Colivelin TFA has the potential for the treatment of alzheimer's disease and ischemic brain injury.
    Colivelin TFA
  • HY-103240
    Methoxy-X04
    		Chemical 98.47%
    Methoxy-X04 is a fluorescent dye that crosses the blood-brain barrier and selectively binds to beta-pleated sheets found in dense core amyloid Aβ plaques. Methoxy-X04 retains in vitro binding affinity for amyloid b (Ab) fibrils (Ki= 26.8 nM). Methoxy-X04 is fluorescent and stains plaques, tangles, and cerebrovascular amyloid in postmortem sections of AD brain with good specificity.
    Methoxy-X04
  • HY-N0931
    Santacruzamate A
    		Inhibitor 99.54%
    Santacruzamate A (CAY-10683, STA) is a potent and selective HDAC2 inhibitor with an IC50 of 119 pM. STA also exerts neuroprotective property against amyloid-β protein fragment 25–35. STA can be used for cancer and neurological disease research.
    Santacruzamate A
  • HY-P9967
    Aducanumab
    		Inhibitor 99.25%
    Aducanumab (BIIB037) is a human monoclonal antibody that selectively targets aggregated amyloid-beta (Aβ). Aducanumab shows brain penetration, and can be used for Alzheimer's disease (AD) research.
    Aducanumab
  • HY-B1744
    Pyridoxal phosphate
    		Inhibitor 99.95%
    Pyridoxal phosphate is the active form of vitamin B6, acts as an inhibitor of reverse transcriptases, and is used for the treatment of tardive dyskinesia.
    Pyridoxal phosphate
Cat. No. Product Name / Synonyms Application Reactivity