Host cell proteins in monoclonal antibody processing: Control, detection, and removal
Sign Up to like & getrecommendations! Published in 2024 at "Biotechnology Progress"
DOI: 10.1002/btpr.3448
Abstract: Host cell proteins (HCPs) are process‐related impurities in a therapeutic protein expressed using cell culture technology. This review presents biopharmaceutical industry trends in terms of both HCPs in the bioprocessing of monoclonal antibodies (mAbs) and… read more here.
Keywords: monoclonal antibody; cell proteins; proteins monoclonal; host cell ... See more keywords
Risk control of host cell proteins in one therapeutic antibody produced by concentrated fed‐batch (CFB) mode
Sign Up to like & getrecommendations! Published in 2023 at "Engineering in Life Sciences"
DOI: 10.1002/elsc.202200060
Abstract: Multiple control strategies, including a downstream purification process with well‐controlled parameters and a comprehensive release or characterization for intermediates or drug substances, were implemented to mitigate the potential risk of host cell proteins (HCPs) in… read more here.
Keywords: host cell; cell proteins; control; cfb ... See more keywords
Advanced mass spectrometry workflows for accurate quantification of trace-level host cell proteins in drug products: Benefits of FAIMS separation and gas-phase fractionation DIA.
Sign Up to like & getrecommendations! Published in 2023 at "Proteomics"
DOI: 10.1002/pmic.202300172
Abstract: Therapeutic monoclonal antibodies (mAb) production relies on multiple purification steps before release as a drug product (DP). A few host cell proteins (HCPs) may co-purify with the mAb. Their monitoring is crucial due to the… read more here.
Keywords: quantification; mass spectrometry; level; spectrometry ... See more keywords
Characterization of Host Cell Proteins (HCPs) in CHO Cell Bioprocesses.
Sign Up to like & getrecommendations! Published in 2017 at "Methods in molecular biology"
DOI: 10.1007/978-1-4939-6972-2_16
Abstract: Host cell protein content during bioprocessing of biotherapeutic proteins generated from cultured Chinese hamster ovary (CHO) cells is typically measured using immunological and gel-based methods. Estimation of HCP concentration is usually undertaken using Enzyme-Linked ImmunoSorbent… read more here.
Keywords: host cell; characterization host; cell proteins; cho ... See more keywords
Challenges to industrial mAb bioprocessing—removal of host cell proteins in CHO cell bioprocesses
Sign Up to like & getrecommendations! Published in 2018 at "Current Opinion in Chemical Engineering"
DOI: 10.1016/j.coche.2018.08.001
Abstract: Monoclonal antibodies hold a steadfast lead in the ever-expanding biologics marketplace and have revolutionized the treatment of a wide variety of illnesses. The prominence of mAbs as therapeutic agents brought with it the need for… read more here.
Keywords: host cell; mab bioprocessing; cell proteins; cell ... See more keywords
Evaluation of spectral libraries and sample preparation for DIA-LC-MS analysis of host cell proteins: A case study of a bacterially expressed recombinant biopharmaceutical protein.
Sign Up to like & getrecommendations! Published in 2018 at "Protein expression and purification"
DOI: 10.1016/j.pep.2018.03.002
Abstract: Recombinantly expressed biopharmaceutical proteins often undergo a series of purification steps with the aim of removing contaminating material. Depending on the application of the protein, there are various requirements for the degree of purity, but… read more here.
Keywords: protein; biopharmaceutical protein; host cell; spectral libraries ... See more keywords
Ultrasensitive Quantification Method for Understanding Biologically Relevant Concentrations of Host Cell Proteins in Therapeutics.
Sign Up to like & getrecommendations! Published in 2023 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.3c00020
Abstract: Certain host cell proteins (HCPs) in biotherapeutic drugs may be detrimental to drug product quality even when they are present at the subppm level. Therefore, an analytical method that can reliably quantify trace amounts of… read more here.
Keywords: quantification; ppm; cell proteins; drug products ... See more keywords
Extra-Low-Frequency Pulse Stimulated Conformational Change in Blood-Cell Proteins and Consequent Immune Activity Transformation
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Translational Engineering in Health and Medicine"
DOI: 10.1109/jtehm.2020.2963894
Abstract: Objective: investigation of the extra-low-frequency (ELF) stimulation effect on blood-cell proteins, that causes variation in its electrostatic-state. A hypothesis that this results in the conformational change in the blood-cell proteins which could enhance immune activity… read more here.
Keywords: medicine; cell proteins; activity; blood cell ... See more keywords
Universal protocol and standard-spiking strategy for profiling of host cell proteins in therapeutic growth hormone.
Sign Up to like & getrecommendations! Published in 2023 at "Analytical biochemistry"
DOI: 10.2139/ssrn.4229856
Abstract: Liquid chromatography coupled to mass spectrometry (LC-MS) is widely used for host cell proteins (HCP) identification in antibody drug development because of its sensitivity, selectivity, and adaptability. However, LC-MS based identification of HCP in biotherapeutics… read more here.
Keywords: standard spiking; hcp; growth hormone; cell proteins ... See more keywords
Residual host cell proteins: sources, properties, detection methods and data acquisition modes
Sign Up to like & getrecommendations! Published in 2025 at "Frontiers in Microbiology"
DOI: 10.3389/fmicb.2025.1658366
Abstract: Host cell proteins (HCPs) are process-related impurities derived from host organisms used for recombinant protein production in biopharmaceutical manufacturing. The generation of HCPs may lead to potential safety risks, such as immunogenicity, reduced drug efficacy… read more here.
Keywords: detection; sources properties; cell proteins; methods data ... See more keywords
Cellular Solutions: Evaluating Single-Cell Proteins as Sustainable Feed Alternatives in Aquaculture
Sign Up to like & getrecommendations! Published in 2025 at "Biology"
DOI: 10.3390/biology14070764
Abstract: Simple Summary Single-cell proteins (SCPs) are emerging as promising alternative protein sources in aquaculture, offering sustainable solutions to meet the rising demand for fish feed. This review explores various SCP sources globally, including microalgae, bacteria,… read more here.
Keywords: cell proteins; single cell; evaluating single; solutions evaluating ... See more keywords