Search Results - "Lee, Kelvin H"
-
1
The fickle CHO: a review of the causes, implications, and potential alleviation of the CHO cell line instability problem
Published in Current opinion in biotechnology (01-12-2019)“…[Display omitted] •The CHO genome suffers from chromosomal rearrangements and other stability-related issues.•The CHO cell instability phenotype is…”
Get full text
Journal Article -
2
A differentiating neural stem cell-derived astrocytic population mitigates the inflammatory effects of TNF-α and IL-6 in an iPSC-based blood-brain barrier model
Published in Neurobiology of disease (01-11-2018)“…Inflammation can be a risk factor for neurodegenerative diseases such as Alzheimer's disease (AD) and may also contribute to the progression of AD. Here, we…”
Get full text
Journal Article -
3
High‐efficiency and multilocus targeted integration in CHO cells using CRISPR‐mediated donor nicking and DNA repair inhibitors
Published in Biotechnology and bioengineering (01-09-2023)“…Efforts to leverage clustered regularly interspaced short palindromic repeats/CRISPR‐associated protein 9 (CRISPR/Cas9) for targeted genomic modifications in…”
Get full text
Journal Article -
4
Biopharmaceutical Manufacturing: Historical Perspectives and Future Directions
Published in Annual review of chemical and biomolecular engineering (10-06-2022)“…This review describes key milestones related to the production of biopharmaceuticals-therapies manufactured using recombinant DNA technology. The market for…”
Get full text
Journal Article -
5
Knockout of a difficult‐to‐remove CHO host cell protein, lipoprotein lipase, for improved polysorbate stability in monoclonal antibody formulations
Published in Biotechnology and bioengineering (01-05-2017)“…ABSTRACT While the majority of host cell protein (HCP) impurities are effectively removed in typical downstream purification processes, a small population of…”
Get full text
Journal Article -
6
Tuning and Predicting Mesh Size and Protein Release from Step Growth Hydrogels
Published in Biomacromolecules (09-10-2017)“…Hydrogel-based depots are of growing interest for release of biopharmaceuticals; however, a priori selection of hydrogel compositions that will retain proteins…”
Get full text
Journal Article -
7
Antibody transcytosis across brain endothelial-like cells occurs nonspecifically and independent of FcRn
Published in Scientific reports (28-02-2020)“…The blood-brain barrier (BBB) hinders the brain delivery of therapeutic immunoglobulin γ (IgG) antibodies. Evidence suggests that IgG-specific processing…”
Get full text
Journal Article -
8
Chromosome‐scale scaffolds for the Chinese hamster reference genome assembly to facilitate the study of the CHO epigenome
Published in Biotechnology and bioengineering (01-08-2020)“…The Chinese hamster genome serves as a reference genome for the study of Chinese hamster ovary (CHO) cells, the preferred host system for biopharmaceutical…”
Get full text
Journal Article -
9
Minimum Transendothelial Electrical Resistance Thresholds for the Study of Small and Large Molecule Drug Transport in a Human in Vitro Blood–Brain Barrier Model
Published in Molecular pharmaceutics (05-12-2016)“…A human cell-based in vitro model that can accurately predict drug penetration into the brain as well as metrics to assess these in vitro models are valuable…”
Get full text
Journal Article -
10
Applications of proteomic methods for CHO host cell protein characterization in biopharmaceutical manufacturing
Published in Current opinion in biotechnology (01-10-2018)“…Chinese hamster ovary (CHO) cells are the most prevalent host organism for production of recombinant therapeutic proteins, including monoclonal antibodies…”
Get full text
Journal Article -
11
EvalDNA: a machine learning-based tool for the comprehensive evaluation of mammalian genome assembly quality
Published in BMC bioinformatics (27-11-2021)“…To select the most complete, continuous, and accurate assembly for an organism of interest, comprehensive quality assessment of assemblies is necessary. We…”
Get full text
Journal Article -
12
Biolayer interferometry for adeno-associated virus capsid titer measurement and applications to upstream and downstream process development
Published in Molecular therapy. Methods & clinical development (12-09-2024)“…Faster and more accurate analytical methods are needed to support the advancement of recombinant adeno-associated virus (rAAV) production systems. Recently,…”
Get full text
Journal Article -
13
Host cell protein impurities in chromatographic polishing steps for monoclonal antibody purification
Published in Biotechnology and bioengineering (01-06-2016)“…ABSTRACT Downstream purification of monoclonal antibodies (mAbs) is normally performed using a platform process that is empirically tuned to optimize impurity…”
Get full text
Journal Article -
14
The genomic sequence of the Chinese hamster ovary (CHO)-K1 cell line
Published in Nature biotechnology (01-08-2011)“…Since 1987, immortalized cells from the ovary of a Chinese hamster have been the workhorse for producing recombinant therapeutics, including monoclonal…”
Get full text
Journal Article -
15
A reference genome of the Chinese hamster based on a hybrid assembly strategy
Published in Biotechnology and bioengineering (01-08-2018)“…Accurate and complete genome sequences are essential in biotechnology to facilitate genome‐based cell engineering efforts. The current genome assemblies for…”
Get full text
Journal Article -
16
Analytical characterization of host‐cell‐protein‐rich aggregates in monoclonal antibody solutions
Published in Biotechnology progress (01-07-2023)“…Host‐cell proteins (HCPs) and high molecular weight (HMW) species have historically been treated as independent classes of impurities in the downstream…”
Get full text
Journal Article -
17
Membrane configuration optimization for a murine in vitro blood–brain barrier model
Published in Journal of neuroscience methods (30-01-2013)“…► A comprehensive screening study identifies optimal in vitro BBB membrane set points. ► Pore diameter, material, manufacturer and co-culture orientation are…”
Get full text
Journal Article -
18
Fabrication of 3D Biomimetic Microfluidic Networks in Hydrogels
Published in Advanced healthcare materials (01-09-2016)“…A laser‐based hydrogel degradation technique is developed that allows for local control over hydrogel porosity, fabrication of 3D vascular‐derived, biomimetic,…”
Get full text
Journal Article -
19
Restoration of DNA repair mitigates genome instability and increases productivity of Chinese hamster ovary cells
Published in Biotechnology and bioengineering (01-03-2022)“…Chinese hamster ovary (CHO) cells are the primary host for manufacturing of therapeutic proteins. However, productivity loss is a major problem and is…”
Get full text
Journal Article -
20
Comparison of vector elements and process conditions in transient and stable suspension HEK293 platforms using SARS-CoV-2 receptor binding domain as a model protein
Published in BMC biotechnology (07-03-2023)“…Mammalian cell lines are frequently used as protein expression hosts because of their ability to correctly fold and assemble complex proteins, produce them at…”
Get full text
Journal Article