XtenCHO ™ Cells

Reference: PX-XTE-004

Product type


Product nameXtenCHO ™ Cells
Expression systemEukaryotic expression
Delivery conditionDry Ice
Delivery lead time in business daysEurope: 5-7 business days
USA & Canada: 7-10 business days
Rest of the world: 5-12 business days
Storage conditionLiquid Nitrogen
Host speciesMammalian cells
NoteFor research use only
Kit Content1 ml of frozen XtenCHO™ Cells
Limited Use Label LicensesLimited Use Label License for internal Research and Development Use of Mammalian Cell Lines Notice to Purchaser: The purchase of this product conveys to the purchaser the limited, non-transferable right to use the purchased amount of the product and progeny, to perform internal research and development for the sole benefit of the purchaser. The purchase of this product does not grant the purchaser any additional rights, including, without limitation: (a) the right to use the product or its components in commercial applications of any kind, including bioproduction (e.g. use of the product to manufacture therapeutic agents or diagnostic test components, such as proteins, antibodies, viral particles or virus-like particles), quality control and commercial services such as reporting the results of purchaser’s activities for a fee or other form of consideration; (b) the right to use the product or its components as a therapeutic agent or diagnostic test component; (c) the right to use the product or its components to produce material for use in human clinical trials; or (d) the right to transfer or resell the product or its components in any form, progeny or derivative. For information on obtaining additional rights, please contact us at contact@proteogenix.fr, Licensing and Commercial Supply, ProteoGenix, 19 rue de La Haye 67300 Schiltigheim, France. TRADEMARKS: All trademarks are the property of ProteoGenix and its subsidiaries unless otherwise specified.

Description of XtenCHO ™ Cells

1 ml frozen cells
1 cryotube of 2 ml (cells)

1 box :
XtenCHO™ cells : 1 vial

Up to 10x higher yields without supplemental feeds

Therapeutic antibodies from several IgG subclasses and isotypes (IgG1-kappa and lambda, IgG2-lambda, IgG4-kappa) were produced with XtenCHO ™ cells and in parallel with CHO-S ™ and ExpiCHO ™ expression systems. XtenCHO ™ cells were transfected with ProteoGenix' proprietary TGE system (transfection protocol, transfection reagent and culture medium). CHO-S ™and ExpiCHO ™ cells were transfected according to manufacturer's instructions for each expression system (protocol, reagents and culture medium). Determination of production yields was done with an Octet Red96 system (Protein G biosensor).


  • Luo K, Chen Y, Wang F. Shrimp Plasma MANF Works as an Invertebrate Anti-Inflammatory Factor via a Conserved Receptor Tyrosine Phosphatase. J Immunol. 2022 Mar 1;208(5):1214-1223. doi: 10.4049/jimmunol.2100595. Epub 2022 Feb 11. PMID: 35149533.
  • Bonduelle O, Chaudesaigues C, Tolazzi M, Suleiman E, de Bernard S, Alves K, Nourikyan J, Bohec M, Baudrin LG, Katinger D, Debré P, Scarlatti G, Vieillard V, Combadière B. Dichotomy in Neutralizing Antibody Induction to Peptide-Conjugated Vaccine in Squalene Emulsion Contrast With Aluminum Hydroxide Formulation. Front Immunol. 2022 Apr 7;13:848571. doi: 10.3389/fimmu.2022.848571. PMID: 35464449; PMCID: PMC9021396.
  • Sandberg, A., Berenjeno-Correa, E., Rodriguez, R.C. et al. Aβ42 oligomer-specific antibody ALZ-201 reduces the neurotoxicity of Alzheimer’s disease brain extracts. Alz Res Therapy 14, 196 (2022). https://doi.org/10.1186/s13195-022-01141-1
  • Villatoro, A., Cuminetti, V., Bernal, A. et al. Endogenous IL-1 receptor antagonist restricts healthy and malignant myeloproliferation. Nat Commun 14, 12 (2023). https://doi.org/10.1038/s41467-022-35700-9


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