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C5467 SAFC

EX-CELL® ACF CHO Medium

Animal-component free, with HEPES, without L-glutamine, liquid, sterile-filtered, suitable for cell culture

Synonym: CHO Medium

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Properties

Related Categories CHO Media and Medium Optimization Kits, CHO Platform, Cell Culture, Serum-free Media
description   for research or for further manufacturing use
sterility   sterile-filtered
form   liquid
quality   Drug/Device Master File available
application(s)   cell culture | mammalian: suitable
components   NaHCO3: yes
HEPES: yes
L-glutamine: no
phenol red: no
shipped in   ambient
storage temp.   2-8°C

Description

Application

Animal component-free medium formulated to optimize cell growth and protein expression in Chinese hamster ovary (CHO) cells.

Features and Benefits

Developed to meet the needs of biotechnology and vaccine manufacturing, this medium supports rapid initial cell growth and high levels of protein expression in suspension cultures. It also supports high cell densities and maintenance of these densities of viable cells for extended periods resulting in increased productivity. Cell densities in excess of 8 × 106 cells/ml have been achieved in batch culture systems. Increases in protein productivity up to 500% per cell have been observed.

Other Notes

Proprietary formulation containing inorganic salts, HEPES and sodium bicarbonate buffers, essential and non-essential amino acids, vitamins, recombinant human insulin, plant hydrolysates, other organic compounds, trace elements, and surfactants.
Does not contain antibiotics, antimycotics, L-glutamine, or transferrin. Contains no animal-derived proteins or other components.

Reconstitution

Aseptically add 20-40 ml of 200 mM L-glutamine solution per liter of medium prior to use.

Legal Information

EX-CELL is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
nwg

Pipette Controller from Brand
Protocols & Articles

Articles

Effects of Inhibiting Two Cell Cycle Modulating micrornas

Upper panels: Cells were plated 24 hours after LNA electroporation for the in situ IgG Secretion Assay4. Detection was performed 48 hrs after electroporation. High IgG secretion cutoff is 90th percen...
Nan Lin1, Ken Heuermann,2, Jessica Schlueter,2, Carol Kreader, Scott Knight,2 and Kevin Kayser1
1. Cell Engineering, SAFC, Sigma-Aldrich, 2909 Laclede Ave., Saint Louis, MO 63103, U.S.A. 2. Research Biotechnology, Sigma-Aldrich, 2909 Laclede Ave., Saint Louis, MO 63103, U.S.A.
Keywords: Gene expression, Transduction

Identification of the Putative Rosa26 Locus

The biopharmaceutical industry has expressed considerable interest in targeted integration in CHO cells for therapeutic r-protein production applications. In previous studies we have used ZFN’s for s...
Scott Bahr, Nan Lin, Trissa Borgschulte, Jeanne Brooks, Henry George and Kevin Kayser
Cell Sciences and Development, SAFC/Sigma-Aldrich, St Louis, MO 63103 USA
Keywords: Cloning, Gene expression, Polymerase chain reaction, Sequencing

Improving Product Safety Profiles

Post-translational modifications have been shown to affect the bioactivity, clearance rates, immunogenicity and safety profiles of therapeutic glycoproteins. For example anti- N-glycolylneuraminic ac...
Mascarenhas, J., Achtien, K., Richardson, S., Sealover, N., Kaiser, J., Borgschulte, T., George, H., Kayser, K. and Lin, N
Cell Sciences and Development, SAFC Sigma Aldrich2909 Laclede Avenue, Saint Louis, MO 63103, USA
Keywords: Cell culture, Clinical, Eliminations, Gene expression, Glycosylations, High performance liquid chromatography, Mass spectrometry, Sequencing, Size-exclusion chromatography

MSX Amplification

The Glutamine Synthetase (GS) expression system does not typically require multiple rounds of amplification to isolate high-producing clones (Brown, 1992). However, most Chinese Hamster Ovary (CHO) c...
Kate Achtien, Trissa Borgschulte, Nan Lin, Henry George, Kevin J. Kayser
Cell Sciences and Development, SAFC, Sigma-Aldrich, 2909 Laclede Avenue, Saint Louis, MO 63103, USA
Keywords: Amplification, Cloning, Gene expression, Indicators, Polymerase chain reaction, Polymerase chain reaction - quantitative

Mgat1-Disrupted Chinese Hamster Ovary (CHO) Cells

MGAT1 adds N-acetylglucosamine to the Man5GlcNAc2 (Man5) structure. Goh et al. reported increased sialylation after restoring MGAT1 function in MGAT1 deficient CHO cells. The hypothesis is that Mgat1...
Nan Lin, Dustin Davis, Natalie R. Sealover, Joaquina Mascarenhas, Henry J. George and Kevin J. Kayser

Cell Sciences and Development, MilliporeSigma, 2909 Laclede Ave., Saint Louis, MO 63103. U.S.A.
Keywords: Affinity chromatography, Chromatography, Gene expression, Polymerase chain reaction, Protein extraction

Overexpression of Serpinb1

We report the discovery and validation of a novel CHO cell engineering target (Serpinb1) that has significant effects in enhancing recombinant IgG productivity. We performed transcriptomic studies us...
Nan Lin, Jeanne Brooks, Natalie Sealover, Christopher Limmex, Henry J. George and Kevin J. Kayser
Cell Sciences and Development, SAFC/Sigma-Aldrich, 2909 Laclede Ave., Saint Louis, MO 63103 USA
Keywords: Gene expression, High performance liquid chromatography, Inflammation, Microarray Analysis, Transcription, Transduction, Transfection, cDNA microarrays

Select Housekeeping Genes in Chinese Hamster Ovary Cells

In the present study, we have identified species-specific housekeeping genes (HKGs) for Chinese HamsterOvary (CHO) cells using data from microarray gene expression profiling. HKGs suitable for quanti...
Scott M. Bahr, Trissa Borgschulte, Kevin J. Kayser, Matthew V. Caple and Nan Lin
Cell Sciences and Development, SAFC Biosciences 2909 Laclede Avenue, Saint Louis, MO 63103, USA
Keywords: Amplification, Cell culture, DNA microarrays, Gas chromatography, Gene expression, Melting, Microarray Analysis, Nucleic acid hybridization, Polymerase chain reaction, Transcription

Signal Peptide Optimization

A signal peptide is a 5-30 amino acid (aa) peptide present at the N-terminus of secretory proteins. Signal peptides are known to have a strong impact on both the efficiency of protein secretion and c...
Joaquina Mascarenhas, Dustin Davis, Pegah Jalili, Trissa Borgschulte, Kevin Ray, Henry J. George, Kevin J. Kayser and Nan Lin

Cell Sciences and Development, MilliporeSigma, 2909 Laclede Ave., Saint Louis, MO 63103. U.S.A.
Keywords: Atomic absorption spectroscopy, Cell culture, Gene expression, High performance liquid chromatography, Mass spectrometry, Size-exclusion chromatography, Transfection

Zinc Finger Nuclease Efficiency

Zinc Finger Nuclease (ZFN) technology has provided researchers with a tool for integrating exogenous sequences into most cell lines or genomes in a precise manner. Using current methods, the efficien...
Scott Bahr, Laura Cortner, Sara Ladley, Trissa Borgschulte, CHOZN® Platform Development Team
SAFC/Sigma-Aldrich, St Louis, MO 63103 USA, scott.bahr@sial.com
Keywords: Gene expression, Recombination, Sequencing

Protocols

Cell Culture Protocol 10: Testing Cells for Mycoplasma Contamination by Hoechst DNA Staining

DNA staining methods such as indirect Hoechst staining techniques are quick with results available within 72 hours which compares favorably with 4 weeks for mycoplasma detection by culture isolation....
ECACC Laboratory Handbook 4th Edition
Keywords: Cell culture, Culture media, Detection methods, Indicators, Polymerase chain reaction

Cell Culture Protocol 2: Thawing of Frozen Cell Lines

Many cultures obtained from a culture collection, such as ECACC, will arrive frozen and in order to use the cells they must be thawed and put into culture. It is vital to thaw cells correctly in orde...
ECACC Laboratory Handbook 4th Edition
Keywords: Cell culture, Centrifugation, Culture media

Cell Culture Protocol 3: Subculture of Adherent Cell Lines

Adherent cell lines will grow in vitro until they have covered the surface area available or the medium is depleted of nutrients. At this point the cell lines should be subcultured or passaged in ord...
ECACC Laboratory Handbook 4th Edition
Keywords: Adhesion, Cell culture, Culture media

Cell Culture Protocol 4: Subculture of Semi-Adherent Cell Lines

Some cell lines grow as a mixed population (e.g. B95-8 - marmoset) where a proportion of cells do not attach to the tissue culture flask and remain in suspension. Therefore, to maintain this heteroge...
ECACC Laboratory Handbook 4th Edition
Keywords: Cell culture, Culture media

Cell Culture Protocol 5: Subculture of Suspension Cell Lines

In general terms, cell lines derived from blood (e.g. lymphocytes) grow in suspension cultures. Cells may grow as single cells or in clumps (e.g. EBV transformed lymphoblastic cell lines). For these ...
ECACC Laboratory Handbook 4th Edition
Keywords: Cell culture, Centrifugation, Culture media, Growth factors

Cell Culture Protocol 6: Cell Counting Using a Hemocytometer

For the majority of manipulations using cell lines, such as transfections, cell fusion techniques, cryopreservation and subculture routines it is necessary to quantify the number of cells prior to us...
ECACC Laboratory Handbook 4th Edition
Keywords: Carcinogens, Cell culture, Cryopreservation, Culture media, Flow cytometry

Related Content

Cell Culture Troubleshooting Guide

Cell culture has become one of the most fundamental techniques for modeling biological systems, and is of increasing importance in the biotechnology and pharmaceutical sectors as well as an essential...
Keywords: Antibiotics, Apoptosis, Cell attachment, Cell culture, Cryopreservation, Filtration, Growth factors, Pharmaceutical, Phase transitions

Peer-Reviewed Papers
15

References

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