User profiles for Karen Julie la Cour Karottki

Karen Julie la Cour Karottki

University of California, San Diego
Verified email at ucsd.edu
Cited by 175

Reduced apoptosis in Chinese hamster ovary cells via optimized CRISPR interference

…, KF Marquart, KJ la Cour Karottki… - Biotechnology and …, 2019 - Wiley Online Library
Chinese hamster ovary (CHO) cells are widely used for biopharmaceutical protein production.
One challenge limiting CHO cell productivity is apoptosis stemming from cellular stress …

[PDF][PDF] An optimized genome-wide, virus-free CRISPR screen for mammalian cells

K Xiong, KJ la Cour Karottki, H Hefzi, S Li, LM Grav… - Cell Reports …, 2021 - cell.com
Pooled CRISPR screens have been widely applied to mammalian and other organisms to
elucidate the interplay between genes and phenotypes of interest. The most popular method …

Awakening dormant glycosyltransferases in CHO cells with CRISPRa

KJC Karottki, H Hefzi, K Xiong, I Shamie… - Biotechnology and …, 2020 - Wiley Online Library
Chinese hamster ovary (CHO) cells are the preferred workhorse for the biopharmaceutical
industry, and CRISPR/Cas9 has proven powerful for generating targeted gene perturbations …

Application of CRISPR/Cas9 genome editing to improve recombinant protein production in CHO cells

LM Grav, KJ la Cour Karottki, JS Lee… - … Protein Production in …, 2017 - Springer
Genome editing has become an increasingly important aspect of Chinese Hamster Ovary (
CHO CHO ) cell line engineering for improving production of recombinant protein therapeutics…

A metabolic CRISPR-Cas9 screen in Chinese hamster ovary cells identifies glutamine-sensitive genes

KJ la Cour Karottki, H Hefzi, S Li, LE Pedersen… - Metabolic …, 2021 - Elsevier
Media and feed optimization have fueled many-fold improvements in mammalian
biopharmaceutical production, but genome editing offers an emerging avenue for further enhancing …

Identification of hyperosmotic stress-responsive genes in Chinese hamster ovary cells via genome-wide virus-free CRISPR/Cas9 screening

…, S Shin, M Baek, K Xiong, KJ la Cour Karottki… - Metabolic …, 2023 - Elsevier
Chinese hamster ovary (CHO) cells are the preferred mammalian host cells for therapeutic
protein production that have been extensively engineered to possess the desired attributes …

Enhancing CHO cell productivity through a dual selection system using Aspg and Gs in glutamine free medium

TK Ha, A Òdena, KJC Karottki, CL Kim… - Biotechnology and …, 2023 - Wiley Online Library
The dominant method for generating Chinese hamster ovary (CHO) cell lines that produce
high titers of biotherapeutic proteins utilizes selectable markers such as dihydrofolate …

From observational to actionable: rethinking omics in biologics production

HO Masson, KJ la Cour Karottki, J Tat, H Hefzi… - Trends in …, 2023 - cell.com
As the era of omics continues to expand with increasing ubiquity and success in both
academia and industry, omics-based experiments are becoming commonplace in industrial …

[PDF][PDF] A Chinese hamster transcription start site atlas that enables targeted editing of CHO cells

I Shamie, SH Duttke, KJC Karottki… - NAR genomics and …, 2021 - academic.oup.com
Chinese hamster ovary (CHO) cells are widely used for producing biopharmaceuticals, and
engineering gene expression in CHO is key to improving drug quality and affordability. …

CRISPR Toolbox for mammalian cell engineering

D Sergeeva, KJ la Cour Karottki, JS Lee… - Cell Culture …, 2019 - Wiley Online Library
Advances in CRISPR (clustered regularly interspaced short palindromic repeats) technology
have transformed the field of genome engineering, offering new opportunities for targeted …