Saralasin TFA
Based on 1 Customer Validation
Saralasin ([Sar1,Ala8] Angiotensin II) TFA is an octapeptide analog of angiotensin II. Saralasin TFA is a competitive angiotensin II receptor antagonist with a Ki value of 0.32 nM for 74% of the binding sites, and has partial agonist activity as well. Saralasin TFA can be used for the research of renovascular hypertension, renin-dependent (angiotensinogenic) hypertension.
For research use only. We do not sell to patients.
- Purity: 99.37%
- CAS No.: 2938955-39-4
- Formula: C44H66F3N13O12
- Molecular Weight:1026.07
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Storage:
Sealed storage, away from moisture.
Powder -80°C, 2 years , -20°C, 1 year* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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All Angiotensin Receptor Isoforms
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Biological Activity
Ki: 0.32 nM (Angiotensin II receptor)[3]
Saralasin TFA (1 nM, 48 or 72 h) inhibits cell growth in 3T3 and SV3T3 cells[1].
Saralasin TFA (5 μM, 2h) restores Ito, fast (Fast-Inactivating Transient Outward K+ Current in Mouse Ventricle) and I K, slow (Slow-Inactivating Transient Outward K+ Current in Mouse Ventricl) to control levels in myocytes[2].
Saralasin TFA (0.1-10 nM, 40 min) inhibits binding of FITC-Ang II to rat liver membrane preparation (used as the source of angiotensin receptors) with a Ki value of 0.32 nM for 74% of the binding sites and 2.7 nM for the remaining binding sites[3].
Saralasin TFA (1 μM, perfused rat ovary in vitro) inhibits the ovulation rate versus control and reduces prostaglandin E2 and 6-keto-prostaglandin F1α levels[4].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:3T3 and SV3T3 cells
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Concentration:1 nM
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Incubation Time:48 h, 72 h
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Result:Inhibited cell growth in 3T3 and SV3T3 cells and caused an increase of cellular renin concentration.
Saralasin TFA (subcutaneous injection, 10 and 30 mg/kg, a single dose) increases serum renin activity (SRA) in normal, conscious rats, without markedly altering blood pressure or heart rate[6].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Cerulein-induced acute pancreatitis rats model[5]
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Dosage:5, 10, 20, and 50 μg/kg, a single dose.
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Administration:Intravenous injection
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Result:Restored the pancreatic morphological characteristics to the control level.
Reduced pancreatic injury and suppressed the glutathione depletion induced by cerulean.
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Animal Model:Male Sprague-Dawley rats[6]
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Dosage:10 and 30 mg/kg, a single dose.
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Administration:Subcutaneous injection
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Result:Stimulated renin release without altering blood pressure or heart rate at the time of measuring serum renin levels 20 minutes after injection.
Chemical Information
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CAS No. 2938955-39-4
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Appearance Solid
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Molecular Weight 1026.07
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Formula C44H66F3N13O12
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Color White to off-white
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Synonyms
[Sar1,Ala8] Angiotensin II TFA
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Sequence
{Sar}-Arg-Val-Tyr-Val-His-Pro-Ala
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Sequence Shortening
{Sar}-RVYVHPA
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Sealed storage, away from moisture
Powder -80°C 2 years -20°C 1 year * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Solvent & Solubility
H2O : 100 mg/mL (97.46 mM; Need ultrasonic)
DMSO : 50 mg/mL (48.73 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (2.44 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (2.44 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
For the following dissolution methods, please prepare the working solution directly:
It is recommended to prepare fresh solutions and use them promptly within a short period of time.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: PBS
Solubility: 100 mg/mL (97.46 mM); Clear solution; Need ultrasonic
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Working solution concentration: 0.22 mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
Purity & Documentation
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Data Sheet (281 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
[1]. P Schelling, et al. Effects of angiotensin II and angiotensin II antagonist saralasin on cell growth and renin in 3T3 and SV3T3 cells. J Cell Physiol. 1979 Mar;98(3):503-13. [Content Brief]
[2]. Jeremy H Kim, et al. Pressure-overload-induced angiotensin-mediated early remodeling in mouse heart. PLoS One. 2017 May 2;12(5):e0176713. [Content Brief]
[3]. Maziar Mohammad Akhavan, et al. A non-radioactive method for angiotensin II receptor binding studies using the rat liver. J Pharmacol Toxicol Methods. 2006 May-Jun;53(3):206-14. [Content Brief]
[4]. M Mikuni, et al. Saralasin-induced inhibition of ovulation in the in vitro perfused rat ovary is not replicated by the angiotensin II type-2 receptor antagonist PD123319. Am J Obstet Gynecol. 1998 Jul;179(1):35-40. [Content Brief]
[5]. Siu Po Ip, et al. Saralasin, a nonspecific angiotensin II receptor antagonist, attenuates oxidative stress and tissue injury in cerulein-induced acute pancreatitis. Pancreas. 2003 Apr;26(3):224-9. [Content Brief]
[6]. Campbell WB, et al. Saralasin-induced renin release: its blockade by prostaglandin synthesis inhibitors in the conscious rat. Hypertension. 1979;1(6):637‐642. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO / H2O | 1 mM | 0.9746 mL | 4.8730 mL | 9.7459 mL | 24.3648 mL |
| 5 mM | 0.1949 mL | 0.9746 mL | 1.9492 mL | 4.8730 mL | |
| 10 mM | 0.0975 mL | 0.4873 mL | 0.9746 mL | 2.4365 mL | |
| 15 mM | 0.0650 mL | 0.3249 mL | 0.6497 mL | 1.6243 mL | |
| 20 mM | 0.0487 mL | 0.2436 mL | 0.4873 mL | 1.2182 mL | |
| 25 mM | 0.0390 mL | 0.1949 mL | 0.3898 mL | 0.9746 mL | |
| 30 mM | 0.0325 mL | 0.1624 mL | 0.3249 mL | 0.8122 mL | |
| 40 mM | 0.0244 mL | 0.1218 mL | 0.2436 mL | 0.6091 mL | |
| H2O | 50 mM | 0.0195 mL | 0.0975 mL | 0.1949 mL | 0.4873 mL |
| 60 mM | 0.0162 mL | 0.0812 mL | 0.1624 mL | 0.4061 mL | |
| 80 mM | 0.0122 mL | 0.0609 mL | 0.1218 mL | 0.3046 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Saralasin TFA Related Classifications
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