1. 诱导疾病模型产品 GPCR/G Protein Apoptosis
  2. 心血管系统疾病模型 Angiotensin Receptor Apoptosis
  3. 高血压模型
  4. Angiotensin II human acetate

Angiotensin II human acetate  (Synonyms: Angiotensin II acetate; Ang II acetate; DRVYIHPF acetate)

目录号: HY-13948A 纯度: 99.62%
COA 产品使用指南

Angiotensin II human (Angiotensin II) acetate 是一种血管收缩剂,是肾素/血管紧张素系统的主要生物活性肽。Angiotensin II human acetate 在调节人类血压中起着核心作用,主要通过血管紧张素 II 与 G 蛋白偶联受体 (GPCRs)、血管紧张素II 1型受体 (AT1R) 和血管紧张素II 2型受体 (AT2R) 之间的相互作用来介导。Angiotensin II human acetate 刺激交感神经刺激,增加醛固酮生物合成和肾脏活动。Angiotensin II human acetate 诱导血管平滑肌细胞生长,增加成纤维细胞中 I 型和 III 型胶原的合成,导致血管壁和心肌增厚,并导致纤维化。Angiotensin II human acetate 也诱导细胞凋亡。Angiotensin II human acetate 通过 LOX-1 依赖的氧化还原敏感途径诱导内皮细胞毛细血管形成。

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Custom Peptide Synthesis

Angiotensin II human acetate Chemical Structure

Angiotensin II human acetate Chemical Structure

CAS No. : 68521-88-0

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Customer Review

Other Forms of Angiotensin II human acetate:

MCE 顾客使用本产品发表的 111 篇科研文献

WB
RT-PCR

    Angiotensin II human acetate purchased from MCE. Usage Cited in: Mol Cell Endocrinol. 2023 Apr 24;111938.  [Abstract]

    Angiotensin II human (Ang II; 1 μM; 48 h) increases the expression of MFN1, t-CaMKⅡ and p-CaMKⅡ and decreases the expression of SERCA2 in NMCMs.

    Angiotensin II human acetate purchased from MCE. Usage Cited in: Biomedicines. 2022, 10(12), 3131.

    Angiotensin II human (Ang II; 100 nM; 24 h) pretreatment significantly increases both the protein level of CtBP1 during 3T3-L1 adipogenesis.

    Angiotensin II human acetate purchased from MCE. Usage Cited in: Biomedicines. 2022, 10(12), 3131.

    Angiotensin II human (Ang II; 100 nM; 24 h) pretreatment significantly increases both the mRNA level of CtBP1 during 3T3-L1 adipogenesis.

    Angiotensin II human acetate purchased from MCE. Usage Cited in: Int J Biochem Cell Biol. 2020 Apr;121:105703.  [Abstract]

    HPMCs are treated with 5.6 mM glucose (NG) or with 236 mM glucose (HG), or 100 nM AngII (AngII), or 236 mM glucose plus 10 mM valsartan (HGþvalsartan), or 100 nM AngII plus 10 mM valsartan (AngIIþvalsartan) for 24 h. The protein levels of p-mTOR, mTOR, p-4EBP1, 4EBP1, p-S6K1, and S6K1 are examined by Western blot analysis.

    查看 Angiotensin Receptor 亚型特异性产品:

    • 生物活性

    • 纯度 & 产品资料

    • 参考文献

    生物活性

    Angiotensin II human (Angiotensin II) acetate is a vasoconstrictor and a major bioactive peptide of the renin/angiotensin system. Angiotensin II human acetate plays a central role in regulating human blood pressure, which is mainly mediated by interactions between Angiotensin II and the G-protein-coupled receptors (GPCRs) Angiotensin II type 1 receptor (AT1R) and Angiotensin II type 2 receptor (AT2R). Angiotensin II human acetate stimulates sympathetic nervous stimulation, increases aldosterone biosynthesis and renal actions. Angiotensin II human acetate induces growth of vascular smooth muscle cells, increases collagen type I and III synthesis in fibroblasts, leading to thickening of the vascular wall and myocardium, and fibrosis. Angiotensin II human acetate also induces apoptosis. Angiotensin II human acetate induces capillary formation from endothelial cells via the LOX-1 dependent redox-sensitive pathway[1][2][3][4].

    IC50 & Target

    AT2 Receptor

     

    AT1 Receptor

     

    体外研究
    (In Vitro)

    Most of the known actions of Angiotensin II (Ang II) human acetate are mediated by AT1 receptors, the AT2 receptor contributes to the regulation of blood pressure and renal function[1].
    Angiotensin II human acetate raises blood pressure (BP) by a number of actions, the most important ones being vasoconstriction, sympathetic nervous stimulation, increased aldosterone biosynthesis and renal actions. Other Angiotensin II human acetate actions include induction of growth, cell migration, and mitosis of vascular smooth muscle cells, increased synthesis of collagen type I and III in fibroblasts, leading to thickening of the vascular wall and myocardium, and fibrosis. These actions are mediated by type 1 Ang II receptors (AT1)[2].
    Angiotensin II (1 nM) induces the expression of LOX-1 and VEGF and enhances capillary formation from human coronary endothelial cells in Matrigel assay. Angiotensin II -mediated expression of LOX-1 and VEGF, capillary formation, intracellular reactive oxygen species generation, and phosphorylation of p38 as well as p44/42 mitogen-activated protein kinases, were suppressed by anti-LOX-1 antibody, nicotinamide-adenine dinucleotide phosphate oxidase inhibitor apocynin and the Ang II type 1 receptor blocker Losartan, but not by the Ang II type 2 receptor blocker PD123319[3].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.

    体内研究
    (In Vivo)

    Angiotensin II human acetate 可用于诱导高血压和心脏肥大模型[7][8][9]

    1. 诱发高血压[7]
    致病原理
    Angiotensin II human acetate-可诱导血管收缩:Ang II与其受体(主要是AT1受体)结合后,可以激活一系列信号传导途径,如钙离子通道的开放,导致血管平滑肌细胞内钙离子浓度升高,引起血管平滑肌收缩,进而导致血压升高; 促进炎症反应:Ang II还能够促进炎症介质的产生,比如通过激活NADPH氧化酶产生过多的活性氧(Reactive Oxygen Species, ROS),这些ROS可以损伤血管内皮细胞,促进炎症细胞的浸润,导致血管壁增厚和硬化,进一步加剧高血压的发展; 纤维化和重构:长期暴露于高水平的Ang II会导致心脏和血管的结构改变,包括心肌肥厚、心室重构以及血管壁的纤维化,这些都是高血压及其并发症的重要病理基础; 水钠代谢失衡:如前所述,Ang II能刺激肾上腺皮质分泌醛固酮,增加肾脏对钠的重吸收,导致体内水钠潴留,血容量增加,血压随之升高; 神经内分泌调节:Ang II还参与了神经内分泌系统的调节,例如它可以影响交感神经系统的活性,增强其对心血管系统的兴奋作用,间接导致血压升高。
    具体造模方法:
    小鼠:C57/BL6J • 雄性&雌性 • 12-16 周龄 • 21-27 g
    给药方式:800 ng/kg/min, 0.003 mL/min • 7 天 • sc, 皮下植入渗透泵
    Note
    性别的影响:慢性 ANG II 诱发的高血压,在清醒小鼠中存在性别差异。雌性小鼠可能免受 ANG II 引起的血压升高的影响。
    造模成功指标
    关键因素:血压↑ 第7天,男性血压高于女性。
    相关产品: /
    拮抗产品: /

    2. 诱发心脏肥大[8][9]
    致病原理
    Angiotensin II human acetate 激活受体:Ang II 主要通过与其特异性受体 AT1R 结合来发挥其生物学效应。AT1R 激活后,可触发多种下游信号通路; 细胞内信号通路:AT1R 的激活会启动多个细胞内信号级联反应,如磷脂酶 C (PLC) 活化、蛋白激酶 C (PKC) 活化、丝裂原活化蛋白激酶 (MAPKs) 家族成员的磷酸化等。这些信号通路共同作用,促进心肌细胞增殖和蛋白质合成,导致心肌肥厚; 炎症反应:Ang II 可以促进炎症因子的产生,如肿瘤坏死因子α (TNF-α) 和白细胞介素6 (IL-6),这些因子能够进一步加剧心肌损伤和纤维化进程; 氧化应激:Ang II 能够促进活性氧 (ROS) 的生成,过量的 ROS 不仅可以直接损伤心肌细胞,还可以通过激活 NF-κB 等转录因子,增强炎症反应和细胞凋亡; 细胞外基质重塑:长期的 Ang II 刺激会导致细胞外基质成分的变化,比如胶原蛋白的过度沉积,这会增加心肌硬度,干扰正常的心脏功能。
    具体造模方法:
    小鼠:C57/BL6J • 雄性 • 8 周龄 &bull
    给药方式:2 μg/kg/min • 4 周龄 • sc, osmotic pump implanted subcutaneously
    Note
    造模成功指标
    指标变化:WT小鼠血压明显升高。
    外观监测:心脏肥大和纤维化。
    相关产品: /
    拮抗产品Eplerenone (HY-B0251)

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.

    Clinical Trial
    分子量

    1106.23

    Formula

    C52H75N13O14

    CAS 号
    性状

    固体

    颜色

    White to off-white

    Sequence

    Asp-Arg-Val-Tyr-Ile-His-Pro-Phe

    Sequence Shortening

    DRVYIHPF

    中文名称

    血管紧张素 II 醋酸盐

    运输条件

    Room temperature in continental US; may vary elsewhere.

    储存方式

    Sealed storage, away from moisture and light, under nitrogen

    Powder -80°C 2 years
    -20°C 1 year

    *In solvent : -80°C, 1 year; -20°C, 6 months (sealed storage, away from moisture and light, under nitrogen)

    溶解性数据
    细胞实验: 

    H2O 中的溶解度 : 5 mg/mL (4.52 mM; ultrasonic and warming and heat to 37°C)

    配制储备液
    浓度 溶剂体积 质量 1 mg 5 mg 10 mg
    1 mM 0.9040 mL 4.5199 mL 9.0397 mL
    5 mM --- --- ---
    查看完整储备液配制表

    * 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效
    储备液的保存方式和期限:-80°C, 1 year; -20°C, 6 months (sealed storage, away from moisture and light, under nitrogen)。-80°C储存时,请在1年内使用, -20°C储存时,请在6个月内使用。

    * 备注:如您选择水作为储备液,请稀释至工作液后,再用 0.22 μm 的滤膜过滤除菌后使用。

    • 摩尔计算器

    • 稀释计算器

    Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

    质量
    =
    浓度
    ×
    体积
    ×
    分子量 *

    Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

    This equation is commonly abbreviated as: C1V1 = C2V2

    浓度 (start)

    C1

    ×
    体积 (start)

    V1

    =
    浓度 (final)

    C2

    ×
    体积 (final)

    V2

    动物实验:

    以下溶解方案,请直接配制工作液。建议现用现配,在短期内尽快用完。 以下溶剂前显示的百分比是指该溶剂在您配制终溶液中的体积占比; 如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶。

    • 方案 一

      请依序添加每种溶剂: PBS

      Solubility: 10 mg/mL (9.04 mM); 澄清溶液; 超声助溶

    • 方案 二

      请依序添加每种溶剂: Saline

      Solubility: 16.67 mg/mL (15.07 mM); 澄清溶液; 超声助溶

    动物溶解方案计算器
    请输入动物实验的基本信息:

    给药剂量

    mg/kg

    动物的平均体重

    g

    每只动物的给药体积

    μL

    动物数量

    由于实验过程有损耗,建议您多配一只动物的量
    计算结果
    工作液所需浓度 : mg/mL
    您所需的储备液浓度超过该产品的实测溶解度,如有需要,请与 MCE 中国技术支持联系。
    纯度 & 产品资料

    纯度: 99.81%

    参考文献

    完整储备液配制表

    * 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效
    储备液的保存方式和期限:-80°C, 1 year; -20°C, 6 months (sealed storage, away from moisture and light, under nitrogen)。-80°C储存时,请在1年内使用, -20°C储存时,请在6个月内使用。

    可选溶剂 浓度 溶剂体积 质量 1 mg 5 mg 10 mg 25 mg
    H2O 1 mM 0.9040 mL 4.5199 mL 9.0397 mL 22.5993 mL

    * 备注:如您选择水作为储备液,请稀释至工作液后,再用 0.22 μm 的滤膜过滤除菌后使用。

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