KLTWQELYQLKYKGI
Based on 1 Customer Validation
KLTWQELYQLKYKGI is a VEGF mimetic peptide designed based on the VEGF helix sequence 17-25, with the ability to activate VEGF receptors and exert pro-angiogenic biological activity. KLTWQELYQLKYKGI effectively promotes the attachment, spreading and proliferation of human umbilical vein endothelial cells. KLTWQELYQLKYKGI enhances the proliferation, migration and osteogenic differentiation of bone marrow stromal cells (BMSCs). KLTWQELYQLKYKGI synergistically accelerates angiogenesis and bone regeneration in rat cranial defect models. KLTWQELYQLKYKGI can be used for the research of brain tissue engineering and traumatic brain injury repair and biomaterials for bone tissue engineering and bone repair.
For research use only. We do not sell to patients.
- Purity: 99.89%
- CAS No.: 917760-16-8
- Formula: C92H143N21O23
- Molecular Weight:1911.25
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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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Biological Activity
KLTWQELYQLKYKGI (7 d) upregulates the mRNA expression of VEGF, PECAW, and vWF and increases ALP activity and ALP mRNA expression in HUVECs[2].
KLTWQELYQLKYKGI (8 h) promotes the formation of capillary-like structures by HUVECs on Matrigel[2].
KLTWQELYQLKYKGI (5 mg/mL in hydrogel, 5-7 d) enhances the proliferation and migration of BMSCs[2].
KLTWQELYQLKYKGI (14 d) increases calcium deposition and upregulates the mRNA expression of Runx2, BMP-2, and Col 1α in BMSCs[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
KLTWQELYQLKYKGI (5 mg/mL in gelatin-based blue-light-curable hydrogel, injected into cranial defects and cured with blue light for 2 min, 2 weeks) significantly enhances angiogenesis in the cranial defect area of rats[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Traumatic brain injury (TBI) model in Sprague-Dawley (SD) rats (180-220 g, male)[1]
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Dosage:Immobilized on HA hydrogel
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Administration:Implanted into lesion cavity of traumatic brain injury (TBI) model in rats, once, 4 weeks
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Result:Enabled HA-KLT hydrogel to well fill the irregular brain lesion cavity.
Formed a tight connection and permissive interface with host brain tissue (partially merged).
Showed no macroscopic inflammation or toxicity at the injury site.
Increased the number of newly formed microvessels in the lesion site.
Upregulated the expression of endoglin/CD105 (a specific marker of neoformed blood vessels) in rat brain injury tissue.
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Animal Model:Sprague-Dawley (SD) rats (6-8 weeks old, weighing approximately 200 g)[2]
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Dosage:5 mg/mL in gelatin-based blue-light-curable hydrogel
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Administration:Injected into cranial defects and cured with blue light for 2 min, 2 weeks
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Result:Achieved significantly enhanced angiogenesis in the cranial defect area.
Promoted bone regeneration in the cranial defect of SD rats.
Chemical Information
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CAS No. 917760-16-8
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Appearance Solid
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Molecular Weight 1911.25
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Formula C92H143N21O23
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Color White to off-white
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Sequence
Lys-Leu-Thr-Trp-Gln-Glu-Leu-Tyr-Gln-Leu-Lys-Tyr-Lys-Gly-Ile
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Sequence Shortening
KLTWQELYQLKYKGI
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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
DMSO : 100 mg/mL (52.32 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.
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.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (273 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]. Lu J, et al. Enhanced angiogenesis by the hyaluronic acid hydrogels immobilized with a VEGF mimetic peptide in a traumatic brain injury model in rats. Regen Biomater. 2019 Dec;6(6):325-334. [Content Brief]
[2]. Wang G, et al. Vascular Endothelial Growth Factor Mimetic Peptide and Parathyroid Hormone (1-34) Delivered via a Blue-Light-Curable Hydrogel Synergistically Accelerate Bone Regeneration. ACS Appl Mater Interfaces. 2022 Aug 10;14(31):35319-35332. [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 | 1 mM | 0.5232 mL | 2.6161 mL | 5.2322 mL | 13.0804 mL |
| 5 mM | 0.1046 mL | 0.5232 mL | 1.0464 mL | 2.6161 mL | |
| 10 mM | 0.0523 mL | 0.2616 mL | 0.5232 mL | 1.3080 mL | |
| 15 mM | 0.0349 mL | 0.1744 mL | 0.3488 mL | 0.8720 mL | |
| 20 mM | 0.0262 mL | 0.1308 mL | 0.2616 mL | 0.6540 mL | |
| 25 mM | 0.0209 mL | 0.1046 mL | 0.2093 mL | 0.5232 mL | |
| 30 mM | 0.0174 mL | 0.0872 mL | 0.1744 mL | 0.4360 mL | |
| 40 mM | 0.0131 mL | 0.0654 mL | 0.1308 mL | 0.3270 mL | |
| 50 mM | 0.0105 mL | 0.0523 mL | 0.1046 mL | 0.2616 mL |
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