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Submit ReviewProtamine sulfate is a cationic peptide that enhances viral vector transduction efficiency in gene therapy applications. By neutralizing charge repulsion between viral particles and the cell surface, Protamine sulfate promotes vector attachment and uptake, leading to increased transduction efficiency. It is commonly used in combination with Polybrene (Cat. No. 7711) to enhance the delivery of adeno-associated virus (AAV) and lentiviral vectors. Protamine sulfate is widely applied in gene delivery workflows, including stem cell engineering and gene-modified cell therapy development. It is also an antagonist of apelin receptor.
For more information on how to prepare Protamine sulfate for transfection enhancement, please see our protocol.
For more information on how to prepare Protamine sulfate for enhanced-viral-transduction of mammalian cells, please see our protocol.
Protamine sulfate is supplied as a lyophilized solid in a convenient, ready-to-reconstitute vial size. A stock solution can be prepared by adding 1 mL of sterile ultra-pure water directly to the vial (final stock concentration: 10 mg/mL).
储存 | Store at +4°C |
纯度 | ≥90% (HPLC) |
CAS Number | 53597-25-4 |
上方提供的技术数据仅供参考。批次相关数据请参见分析证书。
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溶解性 | Soluble to 10 mg/ml in water with gentle warming |
参考文献是支持产品生物活性的出版物。
Le Gonidec (2017) Protamine is an antagonist of apelin receptor, and its activity is reversed by heparin. FASEB J 31 2507 PMID: 28242772
Ellison et al (2024) Design and validation of a GMP stem cell manufacturing protocol for MPSII hematopoietic stem cell gene therapy. Mol.Ther.Methods Clin.Dev. 32 101271 PMID: 38946936
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