重組豬粒-巨噬細(xì)胞集落刺激因子（rpGM-CSF）
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- 更新時間： 2024-05-23
- 上一個：重組人粒-巨噬細(xì)胞集落刺激因子-sf9（rHuGM-CSF-Sf9）
- 下一個：重組大鼠粒-巨噬細(xì)胞集落刺激因子（rrGM-CSF）
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產(chǎn)品介紹
| CYT-401 | 重組豬粒-巨噬細(xì)胞集落刺激因子（rpGM-CSF） | 2μg/10μg/1mg | Prospec |
| Background: | |
| The overall structure of GM-CSF is highly compact and globular with a predominantly hydrophobic core, is characterised by a 4-alpha-helix bundle. The helices are arranged in a left-handed anti-parallel fashion, with two overhand connections. Within the connections is a two-stranded anti-parallel beta-sheet. The tertiary structure has a topology similar to that of （pig） growth factor and interferon-beta. Most of the proposed critical regions for receptor binding are located on a continuous surface at one end of the molecule that includes the C terminus . Granulocyte Macrophage Colony Stimulating Factor is produced in response to a number of inflammatory mediators by mesenchymal cells present in the hemopoietic environment and at peripheral sites of inflammation. Granulocyte Macrophage-CSF is able to stimulate the production of neutrophilic granulocytes, macrophages, and mixed granulocyte-macrophage colonies from bone marrow cells and can stimulate the formation of eosinophil colonies from fetal liver progenitor cells. GM-CSF can also stimulate some functional activities in mature granulocytes and macrophages. GM-CSF receptors shows significant homologies with other receptors for hematopoietic growth factors , including IL2-beta, IL-3 , IL-6 , IL-7 , EPO and the Prolactin receptors | |
 | Description : |
| Recombinant Porcine GM-CSF produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 127 amino acids and having a molecular mass of 14381 Dalton. Porcine GM-CSF is purified by proprietary chromatographic techniques. | |
| Physical Appearance: |
| Sterile Filtered White lyophilized （freeze-dried） powder. | |
| Formulation: |
| The protein was lyophilized with no additives. | |
| Solubility: |
| It is recommended to reconstitute the lyophilized Porcine GM-CSF in sterile 20mM AcOH （acetic Acid） not less than 100µg/ml, which can then be further diluted to other aqueous solutions. | |
| Stability: |
| Lyophilized Porcine GM-CSF although stable at room temperature for 3 weeks, should be stored desiccated below -180C. Upon reconstitution GM-CSF should be stored at 40C between 2-7 days and for future use below -180C. For long term storage it is recommended to add a carrier protein （0.1% HSA or BSA）. Please avoid freeze-thaw cycles. | |
| Purity: |
| Greater than 95.0% as determined by: （a） Analysis by RP-HPLC. （b） Anion-exchange FPLC. （c） Analysis by reducing and non-reducing SDS-PAGE Silver Stained gel. | |
| Amino acid sequence: |
| The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Pro-Thr-Arg-Pro. | |
| Dimers and aggregates: |
| Less than 1% as determined by silver-stained SDS-PAGE gel analysis. | |
| Biological Activity: |
| ProSpec’s Porcine GM-CSF is fully biologically active when compared to standard. The ED50 as determined by the dose-dependant stimulation of the proliferation TF-1 cell line is < 20 ng/ml. | |
| Endotoxin: |
| Less than 0.1 ng/µg （IEU/µg） of GM-CSF . | |
| Protein content: |
| Protein quantitation was carried out by two independent methods: 1. UV spectroscopy at 280 nm using the absorbency value of 0.977 as the extinction coefficient for a 0.1% （1mg/ml） solution. This value is calculated by the PC GENE computer analysis program of protein sequences （InliGenetics）. 2. Analysis by RP-HPLC, using a calibrated solution of Recombinant Porcine GM-CSF as a Reference Standard. | |
| Usage: |
| Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals. |
佰易聚生物商城提供美國光譜醫(yī)學(xué)透析袋，wako生化試劑，amresco生化試劑，sigma生化試劑，優(yōu)質(zhì)的分子生物學(xué)試劑和試劑盒、培養(yǎng)基本和培養(yǎng)耗材、細(xì)胞因子和細(xì)胞分離液、抗體和elisa試劑盒及常用生物試劑等,大量現(xiàn)貨火爆*,歡迎登錄 www.ebioeasy.com或者,，洽談選購！
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