CellGenix® rh Flt-3L

GMP and Preclinical grade

CellGenix® Recombinant Human Flt-3L reliably supports the proliferation of hematopoietic stem cells (HSCs) in combination with CellGenix®GMP SCGM medium. CellGenix® rh Flt-3L is produced in our dedicated animal-free GMP facility ensuring maximum safety for optimal use in ATMP manufacturing.

GMP Grade

CellGenix® GMP Recombinant Human Flt-3L is produced following applicable GMP guidelines and allows for the safe use in accordance with USP Chapter <1043>, Ph. Eur. General Chapter 5.2.12 and ISO 20399:2022.

Our GMP cytokines are provided with documented evidence of purity, potency, consistency and stability. In combination with our expert regulatory and technical support this will help simplify your raw material qualification and validation efforts.

Preclinical Grade

Designed to meet the demands of translational research, CellGenix® preclinical cytokines are ideal to bridge the gap between the lower quality of research grade and the higher costs of GMP grade materials.

Name
CellGenix® Recombinant Human FMS-like Tyrosine Kinase 3 Ligand
Source
E. coli
Formulation
Lyophilized
ANIMAL-DERIVED COMPONENT-FREE
CellGenix® GMP rh Flt-3L
amount
Order Number
1 mg
1015-1000
50  µg
1015-050
CellGenix® Preclinical rh Flt-3L
amount
Order Number
50  µg
1415-050

CellGenix® rh Flt-3L

Features

  • Produced in our dedicated animal-free facility
  • Compliant to USP Chapter <1043> and Ph. Eur. General Chapter 5.2.12 (GMP)
  • FDA Drug Master File available (GMP)

GMP & Preclinical Grade

  • Seamless transition from preclinical development to ATMP manufacturing

Highest GMP Quality Standard

  • High lot-to-lot consistency – save time and costs on revalidations
  • Performance reliability – rely on consistent product performance
  • Highest purity – ensure the safety of your ATMP
  • Extremely low endotoxin levels – improve safety and reproducibility
  • Expert regulatory & technical support – rely on experience

Read more about our GMP Quality

 

Safe │ GMP Compliant │ Reliable

Applications

FMS-like Tyrosine Kinase 3 Ligand (Flt-3L) is a cytokine that regulates proliferation and differentiation of various blood cell progenitors.

Flt-3L is used in the cell and gene therapy space for the ex vivo expansion of HSCs that are used for transplantation.

Technical Details

Source
Expressed in E. coli
Description

Truncated human Flt-3L, accession # P49771, Thr27-Ala181

Formulation

Lyophilized from a 0.2 µm-filtered solution containing 1.5 mM potassium phosphate, 8.1 mM sodium phosphate, 2.7 mM potassium chloride and 137 mM sodium chloride, pH 7.5

Both product grades are produced under the same conditions in a GMP facility, ensuring an equal product quality and performance. We offer a more comprehensive QC testing including tighter specifications and documentation for our GMP products: Preclinical vs GMP.

  Preclinical GMP
Molecular weight 18.6 kDa 18.6 kDa
Purity ≥ 95% as determined by SDS-PAGE ≥ 97% as determined by SDS-PAGE
Activity ≥ 0.5 x 106 IU/mg, calibrated against NIBSC #96/532
Measured in a cell proliferation assay using a Flt-3L-dependent cell line, OCI-AML5
0.5 – 2.0 x 106 IU/mg, calibrated against NIBSC #96/532
Measured in a cell proliferation assay using a Flt-3L-dependent cell line, OCI-AML5

Batch specific activity on CoA

Endotoxin level < 1000 EU/mg ≤ 50 EU/mg
Intended use Intended for preclinical ex vivo use. Not intended for therapeutic use. Intended for clinical ex vivo use. Not intended for human in vivo application.

 

Handling Instructions

Reconstitution

Recommended in sterile water to a final concentration of 250 µg/ml for 50 µg vials or 500 µg/ml for 1 mg vials.

Shipment

Ambient temperature. Please refer to our Technote Shipment of CellGenix® Preclinical and GMP Cytokines at Ambient Temperatures.

Expiry

GMP: ≥ 6 months from date of shipping
Preclinical: 3 years from date of shipping 

Please refer to Certificate of Analysis for the exact expiry date.

Storage & Stability

Store lyophilized cytokine at -20°C to -80°C.

Store a 250 µg/ml reconstituted cytokine solution:

• 4 weeks at 2°C to 8°C under sterile conditions after reconstitution. Store in the original container. 

• 4 months at -20°C to -80°C under sterile conditions after reconstitution. Store in aliquots in polypropylene cryogenic vials.

Avoid repeated freeze/thaw cycles.

Documents

Data

CellGenix® GMP rh Flt-3L has an activity of 0.5 – 2.0 × 106 IU/mg

The activity of GMP rh Flt-3L was measured in a cell proliferation assay using the Flt-3L-dependent cell line OCI-AML5. It was calibrated against NIBSC #96/532.

You can find the batch specific activity on the Certificate of Analysis (CoA).

Regulatory Support

We offer the following to assist you with your regulatory approval process:

  • Comprehensive documentation (e.g. DMFs, Regulatory Support Files, Certificates of Origin)
  • Outstanding QC support (e.g. extensive stability data)
  • The possibility to audit our production site
  • Detailed batch specific test results on our Certificates of Analysis
  • Change notifications prior to relevant changes

Customized solutions can be provided to meet special compliance needs. Contact our Regulatory Support Team for all your regulatory requests & questions:

Phone:     +49 761 88 88 9-0
Email:      regulatorysupport-freiburg@sartorius.com

 

In order to stay up-to-date and help improve regulatory guidance we are actively involved in many of the regulatory initiatives and discussions. We were amongst others actively involved in the discussions for the setup of Ph. Eur. General Chapter 5.2.12 and ISO 20399:2022.

 

Regulatory Resources

  • TSE certificate (available on request)
  • Regulatory Support File (available on request)
  • Request a DMF Letter of Authorization (USA only)

Publications

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