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  4. Angiotensin II human TFA

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

Cat. No.: HY-13948B Purity: 99.88%
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Angiotensin II human (Angiotensin II) TFA is a vasoconstrictor and a major bioactive peptide of the renin/angiotensin system. Angiotensin II human TFA 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 TFA stimulates sympathetic nervous stimulation, increases aldosterone biosynthesis and renal actions. Angiotensin II human TFA 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 TFA also induces apoptosis. Angiotensin II human TFA induces capillary formation from endothelial cells via the LOX-1 dependent redox-sensitive pathway.

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Angiotensin II human TFA Chemical Structure

Angiotensin II human TFA Chemical Structure

CAS No. : 2761969-44-0

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Based on 115 publication(s) in Google Scholar

Other Forms of Angiotensin II human TFA:

Top Publications Citing Use of Products

111 Publications Citing Use of MCE Angiotensin II human TFA

WB
RT-PCR

    Angiotensin II human TFA purchased from MedChemExpress. 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 TFA purchased from MedChemExpress. 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 TFA purchased from MedChemExpress. 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 TFA purchased from MedChemExpress. 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.

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    Description

    Angiotensin II human (Angiotensin II) TFA is a vasoconstrictor and a major bioactive peptide of the renin/angiotensin system. Angiotensin II human TFA 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 TFA stimulates sympathetic nervous stimulation, increases aldosterone biosynthesis and renal actions. Angiotensin II human TFA 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 TFA also induces apoptosis. Angiotensin II human TFA induces capillary formation from endothelial cells via the LOX-1 dependent redox-sensitive pathway[1][2][3][4].

    IC50 & Target

    AT2 Receptor

     

    AT1 Receptor

     

    In Vitro

    Most of the known actions of Angiotensin II (Ang II) human are mediated by AT1 receptors, the AT2 receptor contributes to the regulation of blood pressure and renal function[1].
    Angiotensin II human 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 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) TFA 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, are 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].

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

    In Vivo

    Angiotensin II human TFA can be used to create models of hypertension and cardiac hypertrophy. In 200-250 g Sprague-Dawley rats, intraperitoneal injection of 5 mL 1 nM Angiotensin II human TFA significantly induces neutrophil recruitment, which peaks at 4 hours and resolves within 24 hours. To specifically investigate the role of AT1 receptors in the pathogenesis of hypertension, osmotic mini-pumps are used to continuously infuse Angiotensin II human TFA (1000 ng/kg/min) into each rat for 4 weeks. This process promotes sodium reabsorption by activating renal AT1 receptors, leading to the development of hypertension[4][5].

    1. Induction of hypertension[7]
    Background
    Angiotensin II in humans causes blood vessel constriction, activates the sympathetic nervous system, and promotes inflammatory responses and oxidative stress.
    Specific Mmodeling Methods
    Mice: C57/BL6J • male and female • 12-16 wk old • 21-27 g
    Administration: 800 ng/kg/min, 0.003 mL/min • 7 days • sc, osmotic pump implanted subcutaneously
    Note
    Effect of gender: Chronic ANG II-induced hypertension differs by gender in awake mice. Female mice may be protected from the ANG II-induced increase in blood pressure.
    Modeling Indicators
    Key Factor: Blood pressure ↑ on day 7, blood pressure in male was greater than in female.
    Correlated Product(s): /
    Opposite Product(s): /

    2. Induction of Cardiac Hypertrophy[8][9]
    Background
    Angiotensin II activates the AT1 receptor in humans, which activates phospholipase C (PLC) and increases protein synthesis.
    Specific Mmodeling Methods
    Mice: C57/BL6J • male • 8 wk old &bull
    Administration: 2 μg/kg/min • 4 weeks • sc, osmotic pump implanted subcutaneously
    Note
    Modeling Indicators
    Indicator changes: Blood pressure in WT mice increased significantly.
    Appearance monitoring: cardiac hypertrophy and fibrosis.
    Correlated Product(s): /
    Opposite Product(s): Eplerenone (HY-B0251)

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

    Clinical Trial
    Molecular Weight

    1046.18 (free acid)

    Formula

    C50H71N13O12.xC2HF3O2

    CAS No.
    Appearance

    Solid

    Color

    White to off-white

    Sequence

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

    Sequence Shortening

    DRVYIHPF

    Shipping

    Room temperature in continental US; may vary elsewhere.

    Storage

    Sealed storage, away from moisture and light, under nitrogen

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

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

    Solvent & Solubility
    In Vitro: 

    H2O : 10 mg/mL (Need ultrasonic)

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    • Do most proteins show cross-species activity?

      Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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    Product Name:
    Angiotensin II human TFA
    Cat. No.:
    HY-13948B
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