In vitro: Most of the known actions of Angiotensin II (Ang II) are mediated by AT1 receptors, the AT2 receptor contributes to the regulation of blood pressure and renal function. Angiotensin II 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 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). At the cellular level, responsiveness to Angiotensin II is conferred by the expression of the two classes of angiotensin receptors (AT1 and AT2). The effects of Angiotensin II to increase blood pressure are mediated by AT1 receptors.
In vivo: To distinguish the AT1 receptor population that is critical for the pathogenesis of hypertension, osmotic minipumps are implanted s.c. into each animal to infuse Angiotensin II (1,000 ng/kg/min) continuously for 4 weeks. Angiotensin II causes hypertension by activating AT1 receptors in the kidney promoting sodium reabsorption.
| Cell Experiment | |
|---|---|
| Cell lines | |
| Preparation method | |
| Concentrations | |
| Incubation time | |
| Animal Experiment | |
|---|---|
| Animal models | (129×C57BL/6) F1 mice lacking AT1A receptors for Angiotensin II |
| Formulation | - |
| Dosages | 1,000 ng/kg/min |
| Administration | implanted s.c. |
| Molecular Weight | 1046.18 |
| Formula | C50H71N13O12 |
| CAS Number | 4474-91-3 |
| Solubility (25°C) | Water 50 mg/mL DMSO > 50 mg/mL |
| Storage | -20°C, protect from light, sealed |
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
| Related Animal Modeling Products |
|---|
| N-Butyl-N-(4-hydroxybutyl)nitrosamine
N-Butyl-N-(4-hydroxybutyl)nitrosamine can be used to construct animal models of bladder cancer (BLCA). |
| Boromycin
Boromycin is a compound isolated from Streptomyces antibioticus and a boron-containing macrolide antibiotic with potent activity against a number of viruses, gram-positive bacteria and protozoan parasites. It can be used to induce a mouse model of pulmonary fibrosis and can be used in malaria-related studies. |
| Dextrose iron
Dextrose iron can be used to construct animal models of iron overload. |
| Prednisone acetate
Prednisone acetate is the acetate form of Prednisone and a glucocorticoid receptor agonist with anti-inflammatory and immunomodulatory properties. It can be used to construct animal models of Kawasaki disease. |
| Carrageenan
Carrageenan is a biochemical reagent that can be used to construct animal models of chronic non-bacterial prostatitis, models of synovitis, and models of prostatitis. |
Products are for research use only. Not for human use. We do not sell to patients.
© Copyright 2010-2023 AbMole BioScience. All Rights Reserved.
