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General description
β-淀粉样肽(Aβ)是阿尔茨海默′病大脑老年斑和弥漫性沉积物中的主要成分。在适当的条件下,可溶性淀粉样蛋白肽聚集到与疾病状态相关的原纤维中。有人提出,Aβ肽可以通过下调关键的抗凋亡蛋白bcl-2的表达和上调已知诱导细胞死亡的蛋白bax的表达来增加神经元对氧化损伤的敏感性。
在阿尔茨海默’病和唐氏’综合征患者脑内发现的主要肽。促进神经元中Bcl-2的下调和Bax表达的上调。
Other Notes
H-Asp-Ala-Glu-Phe-Gly-His-Asp-Ser-Gly-Phe-Glu-Val-Arg-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Glu-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-Ile-Ala-OH
Paradis, E., et al. 1996.J. Neurosci.16, 7533.
Roher, A.E., et al. 1996.J. Biol. Chem.271, 20631.
Soto, C., and Castano, E.M.1996.Biochem.J.314, 701.
Murrell, J., et al. 1991.Science254, 97.
Goldgaber, D., et al. 1987.Science235, 877.
Kang, J., et al. 1987.Nature 325, 733.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
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毒性:标准处理(A)
| description | Predominant peptide found in the brain of patients with Alzheimer′s Disease and Down′s Syndrome. Promotes down-regulation of Bcl-2 and upregulation of Bax expression in neurons. |
| Quality Segment | 100 |
| assay | ≥80% (HPLC) |
| form | lyophilized |
| manufacturer/tradename | Calbiochem® |
| storage condition | OK to freeze,desiccated (hygroscopic) |
| solubility | 5% acetic acid: 1 mg/mL |
| shipped in | ambient |
| storage temp. | −20°C |
| SMILES string | S(CC[C@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC( |
| InChI | 1S/C203H311N55O60S/c1-28-106(20)164(195(310)220-91-149(267)228-130(71-98(4)5)181(296)238-129(66-70-319-27)179(294)251-158(100(8)9)193(308)218-87-146(264)215-88-151(269)250-160(102(12)13)198(313)255-163(105(18)19)199(314)258-165(107(21)29-2)200(315)227-112 |
| InChI key | DZHSAHHDTRWUTF-SIQRNXPUSA-N |
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