Evidence map›Paper›PMID 23328085›Full record

ArticleBioengineered

Host cell protein dynamics in recombinant CHO cells: impacts from harvest to purification and beyond.

Catherine Em Hogwood, Daniel G Bracewell, C Mark Smales

Open access · goldAbstract read
In one paragraph

Article in Bioengineered. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.3field-weighted citation impact, top 20% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed, 49 citations in OpenAlex.

  1. Article
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  5. Review
  6. GingisREX: A Complementary Enzyme for the Detection of Bacterial Proteins.Journal of the American Society for Mass Spectrometry · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 1 country.

Catherine Em HogwoodCentre for Molecular Processing and School of Biosciences; University of Kent; Canterbury, Kent, UK; Advanced Centre for Biochemical Engineering; Department of Biochemical Engineering; University College London; Torrington Place, London, UK.
Daniel G Bracewell
C Mark Smales
University of Kent · GBBiochemical Society · GB

Funding

Biotechnology and Biological Sciences Research Council BB/G010307/1Biotechnology and Biological Sciences Research Council BB/G010358/1
6 · The paper itself

Abstract

During the production of recombinant protein products, such as monoclonal antibodies, manufacturers must demonstrate clearance of host cell impurities and contaminants to appropriate levels prior to use in the clinic. These include host cell DNA and RNA, product related contaminants such as aggregates, and importantly host cell proteins (HCPs). Despite the importance of HCP removal, the identity and dynamics of these proteins during cell culture and downstream processing (DSP) are largely unknown. Improvements in technologies such as SELDI-TOF mass spectrometry alongside the gold standard technique of ELISA has allowed semi-quantification of the total HCPs present. However, only recently have techniques been utilized in order to identify those HCPs present and align this with the development of approaches to monitor the dynamics of HCPs during both fermentation and downstream processing. In order to enable knowledge based decisions with regards to improving HCP clearance it is vital to identify potential problematic HCPs on a cell line and product specific basis. Understanding the HCP dynamics will in the future help provide a platform to rationally manipulate and engineer and/or select suitable recombinant CHO cell lines and downstream processing steps to limit problematic HCPs.

Indexed as

AnimalsAntibodies, MonoclonalCHO CellsChromatography, AffinityChromatography, LiquidCricetulusDrug ContaminationElectrophoresis, Gel, Two-DimensionalGenetic EngineeringImmunoglobulin Fc FragmentsMass SpectrometryRecombinant ProteinsStaphylococcal Protein AAntibodies, MonoclonalImmunoglobulin Fc FragmentsRecombinant ProteinsStaphylococcal Protein AChinese hamster ovary (CHO)downstream processinghost cell proteinmammalian cell culturemonoclonal antibodyprotein A chromatographyproteomics

Identifiers

PMID23328085
PMCPMC3813528
OpenAlexW2028567550

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.