Recombinant Human Granulocyte-Colony Stimulating Factor

SKU:BHP11002189
Suppliers
ProSpec-Tany TechnoGene Ltd
ProSpec-Tany TechnoGene Ltd
Details Products
Overview
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RUO recombinant Granulocyte-Colony Stimulating Factor (Human) protein for mechanistic studies and assay development. Supplied as a traceable protein input (E. coli; >98% (SDS-PAGE) purity; lyophilized; MW 18.8 kDa) for reproducible assay inputs.
Target MGC45931
Species Human
Options selector
Catalog no. Size
cyt-220-2UG 2 ug
cyt-220-10UG 10 ug
cyt-220-1MG 1 mg
Available Options

Select the variant that best fits your experiment. Availability and lead time may vary by option.

  • Options: Size (3) — 2 ug, 10 ug, 1 mg
  • Lead time: options listed as “in stock at manufacturer” typically ship in 5–7 business days; other statuses may take longer.
  • Storage: Lyophilized GCSF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GCSF should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
  • Shipping: cold-chain shipment (typically with ice packs).
  • Upon receipt: store at the recommended temperature as soon as possible.
  • Sales terms and conditions: Please review prior to ordering.
Field Specification
Mfr No cyt-220
Alternative Names CSF-3, MGI-1G, GM-CSF beta, Pluripoietin, Lenograstim, G-CSF, MGC45931, GCSF.
Biological Activity The ED50, calculated by the dose-dependant proliferation of murine NFS-60 indicator cells (measured by 3H-thymidine uptake) is < 0.1 ng/ml, corresponding to a Specific Activity of 100,000,000 IU/mg.
Concentration 1 mg/ml
Expression System
  • E. coli
Form Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation GCSF was lyophilized after extensive dialysis against 10mM sodium acetate buffer pH= 4.
Product Type
  • Proteins & Peptides
  • Cytokines and Growth Factors
  • Other Protein
Protein Length 175
Protein Size 18.8 kDa
Purity Greater than 98.0% as determined by:<br>(a) Analysis by RP-HPLC.<br>(b) Analysis by SDS-PAGE.
Solubility It is recommended to reconstitute the lyophilized GCSF in sterile 20mM AcOH not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Source Escherichia Coli.
Species Human
Storage Lyophilized GCSF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GCSF should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Target MGC45931

Recombinant Human Granulocyte-Colony Stimulating Factor is supplied as a recombinant protein for in vitro research use.

Background

GCSF is a cytokine that controls the production, differentiation, and function of granulocytes. The active protein is found extracellularly. Three transcript variants encoding three different isoforms have been found for the GCSF gene. Granulocyte/macrophage colony-stimulating factors are cytokines that act in hematopoiesis by controlling the production, differentiation, and function of 2 related white cell populations of the blood, the granulocytes and the monocytes-macrophages. This csf induces granulocytes.

Product format

Provided as a recombinant protein suitable for in vitro workflows such as binding studies, screening, and assay development. Refer to the specifications table for expression format and molecular properties.

Quality notes

GCSF quantitation was carried out by two independent methods:
1. UV spectroscopy at 280 nm using the absorbency value of 0.815 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 (IntelliGenetics).
2. Analysis by RP-HPLC, using a calibrated solution of GCSF as a Reference Standard.

What is the purity of Recombinant Human Granulocyte-Colony Stimulating Factor (Human)?
Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE. BioHippo includes a Certificate of Analysis (CoA) confirming purity per lot with every order.
What buffer / formulation is this protein supplied in?
Supplied as: GCSF was lyophilized after extensive dialysis against 10mM sodium acetate buffer pH= 4. Reconstitute lyophilized material in sterile ultrapure water or the recommended buffer per the datasheet prior to use.
How should Recombinant Human Granulocyte-Colony Stimulating Factor (Human) be stored?
Lyophilized GCSF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GCSF should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles. Prepare single-use aliquots after reconstitution to avoid repeated freeze–thaw cycles.
What expression system was used to produce this protein?
This recombinant protein was expressed in E. coli. The system was selected to achieve high yield, correct folding, and appropriate post-translational modifications.
Is this protein biologically active?
The ED50, calculated by the dose-dependant proliferation of murine NFS-60 indicator cells (measured by 3H-thymidine uptake) is < 0.1 ng/ml, corresponding to a Specific Activity of 100,000,000 IU/mg. Refer to the product datasheet for recommended assay conditions and controls.
Is this protein approved for clinical or in vitro diagnostic use?
No. Supplied for Research Use Only (RUO) — not intended for therapeutic applications or in vitro diagnostic procedures.
Can I request a custom size, tag variant, or formulation?
Yes. BioHippo can accommodate custom requests including alternative sizes, His/GST/Fc tag variants, bulk quantities, and custom formulations. See the Customization & Add-ons tab or email support@biohippo.com.

Can’t Find What You’re Looking For? We can help you source the best match or customize a recombinant protein solution for your study. Options may include species (human/mouse/rat), protein region/domain (full-length vs fragment), tag or label (His/GST/FLAG/biotin/fluorescent), expression system (E. coli/HEK293/insect), purity grade, formulation (buffer, carrier-free, glycerol-free), activity/functional validation (binding or enzymatic assays), endotoxin level (low-endotoxin for cell-based work), mutants/variants (point mutations, isoforms), and bulk or custom packaging. Click Talk to a Scientist to submit a request form, email us at support@biohippo.com, or explore our Research Services for additional support. Our team will be in contact with you shortly.

Title :Contribution of an Aged Microenvironment to Aging-Associated Myeloproliferative Disease. Publication :Vas V, Wandhoff C, Dörr K, Niebel A, Geiger H (2012) Contribution of an Aged Microenvironment to Aging-Associated Myeloproliferative Disease. PLoS ONE 7(2): e31523. doi:10.1371/journal.pone.0031523 Link : G CSF prospec publication
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