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

Amyloid-β

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.

Amyloid-β 相关产品 (72):

Cat. No. Product Name Effect Purity
  • HY-B0988
    Deferoxamine mesylate Inhibitor >99.0%
    Deferoxamine mesylate是一种铁螯合剂,可将游离铁与稳定的复合物结合,防止其发生化学反应。
  • HY-P0128
    Amyloid beta-peptide(25-35) 98.03%
    Amyloid beta-peptide(25-35) 是阿尔茨海默氏淀粉样蛋白β肽的Aβ(25-35) 片段,在培养细胞中显示出神经毒性活性。
  • HY-19370
    FPS-ZM1 Inhibitor 99.70%
    FPS-ZM1是高亲和力的 RAGE 抑制剂,Ki 值为 25 nM。
  • HY-50682
    Azeliragon Inhibitor 98.79%
    Azeliragon (TTP488) 是一种生物可利用的晚期糖基化终产物 (RAGE) 受体抑制剂,可缓解轻度阿尔茨海默病 (AD) 的发展。Azeliragon 还可穿过血脑屏障 (BBB)。
  • HY-P1363
    Amyloid β-Peptide (1-42) human
    Amyloid β-Peptide (1-42) human 是由 42 个氨基酸组成的肽,其在阿尔茨海默病的发病机制中起关键作用。
  • HY-N2319
    Dihydroergocristine mesylate Inhibitor 99.86%
    Dihydroergocristine mesylate (DHEC mesylate) 是γ-secretase (GSI) 的抑制剂, 可减少阿尔茨海默氏病淀粉样蛋白 β 肽 (amyloid-β) 的产生, 与 γ-secretase 和 Nicastrin 结合的平衡解离常数 (Kd) 值分别为 25.7 nM 和 9.8 μM。
  • HY-N7046
    Silybin B Inhibitor >99.0%
    Silybin B 是从 Silybum marianum 中分离出的一种黄酮木脂素,具有抗肿瘤活性。Silybin B 是水飞蓟素最有效的抗纤维原性和抗低聚物成分,是一种有前景的抗阿尔茨海默病药物候选。
  • HY-N0373
    Licochalcone B Inhibitor
    Licochalcone B 是从 Glycyrrhiza inflate 根中提取的。Licochalcone B 抑制淀粉样蛋白 β (amyloid β; Aβ420) 自聚集作用 (IC50=2.16 μM) 并分解预先形成的 Aβ42 原纤维,通过螯合金属离子减少金属诱导的 Aβ42 聚集。
  • HY-N0603
    20(S)-Ginsenoside Rg3 Inhibitor >98.0%
    20(S)-Ginsenoside Rg3 是红参的主要成分。20(S)-Ginsenoside Rg3 抑制 Na+hKv1.4 通道,IC50 分别为 32.2±4.5 和 32.6±2.2 μM。20(S)-Ginsenoside Rg3 还抑制 NF-κB 活性和 COX-2 表达。
  • HY-P1061A
    Colivelin TFA
    Colivelin (TFA) 是具有神经保护功能的多肽,也是 STAT3 的活化物。
  • HY-P0265
    β-Amyloid 1-40
    β-Amyloid (1-40)是阿尔茨海默病患者脑斑块中发现的主要蛋白质。
  • HY-17631A
    Edonerpic maleate Inhibitor 99.40%
    Edonerpic maleate 是一种新的神经营养剂,其可以抑制淀粉样蛋白 β 肽 ()。
  • HY-N0009
    Geniposide Antagonist 99.52%
    Geniposide是从栀子花中提取的环烯醚萜甙; 具有多种生物活性,例如抗糖尿病,抗氧化,抗增殖和神经保护活性。
  • HY-14537
    Latrepirdine dihydrochloride Inhibitor 99.75%
    Latrepirdine dihydrochloride 是一种神经活性化合物,对组胺受体 (histaminergic receptor),α-肾上腺素能受体 (α-adrenergic receptor) 和 5-羟色胺受体 (serotonergic receptor) 具有拮抗活性。Latrepirdine 刺激淀粉样前体蛋白 (APP) 分解代谢和 β-淀粉样蛋白 (amyloid-β, ) 分泌。
  • HY-N0045
    Ginsenoside Rg1 Inhibitor >98.0%
    Ginsenoside Rg1 是人参的主要活性成分之一。Ginsenoside Rg1 通过降低大脑 水平来发挥作用。Ginsenoside Rg1 减少 NF-κB 核易位。
  • HY-10009
    Semagacestat Inhibitor 98.83%
    Semagacestat 是一种 γ-secretase 抑制剂,抑制 β-amyloid (Aβ42),Aβ38Aβ40IC50 分别为 10.9,12 和 12.1 nM。也抑制 NotchIC50 为 14.1 nM。
  • HY-P1388A
    β-Amyloid (1-42), rat TFA
    β-Amyloid (1-42), rat TFA 是由 42 个氨基酸组成的多肽,对海马切片有毒性,可用于阿尔兹海默症的研究。
  • HY-15560B
    Hoechst 34580 tetrahydrochloride Inhibitor 99.65%
    Hoechst 34580 tetrahydrochloride是一种细胞渗透性的荧光染料,用于DNA和核染色。
  • HY-15374
    Frentizole Inhibitor 99.01%
    Frentizole是FDA批准的免疫抑制剂,是新型的Aβ-ABAD相互作用抑制剂。
  • HY-N0615
    Notoginsenoside R1 Inhibitor
    三七皂苷R1 (Notoginsenoside R1) 三七的主要活性成分,据报道有神经保护、抗高血压的作用。
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