[HTML][HTML] A consensus genome-scale reconstruction of Chinese hamster ovary cell metabolism

…, J Arnsdorf, S Li, JS Lee, G Paglia, N Loira, PN Spahn… - Cell systems, 2016 - cell.com
Chinese hamster ovary (CHO) cells dominate biotherapeutic protein production and are widely
used in mammalian cell line engineering research. To elucidate metabolic bottlenecks in …

[HTML][HTML] PinAPL-Py: A comprehensive web-application for the analysis of CRISPR/Cas9 screens

PN Spahn, T Bath, RJ Weiss, J Kim, JD Esko… - Scientific reports, 2017 - nature.com
Large-scale genetic screens using CRISPR/Cas9 technology have emerged as a major tool
for functional genomics. With its increased popularity, experimental biologists frequently …

A Markov chain model for N-linked protein glycosylation–towards a low-parameter tool for model-driven glycoengineering

PN Spahn, AH Hansen, HG Hansen, J Arnsdorf… - Metabolic …, 2016 - Elsevier
Glycosylation is a critical quality attribute of most recombinant biotherapeutics. Consequently,
drug development requires careful control of glycoforms to meet bioactivity and biosafety …

ZNF263 is a transcriptional regulator of heparin and heparan sulfate biosynthesis

RJ Weiss, PN Spahn, AG Toledo… - Proceedings of the …, 2020 - National Acad Sciences
Heparin is the most widely prescribed biopharmaceutical in production globally. Its potent
anticoagulant activity and safety makes it the drug of choice for preventing deep vein …

Restoration of DNA repair mitigates genome instability and increases productivity of Chinese hamster ovary cells

PN Spahn, X Zhang, Q Hu, H Lu… - Biotechnology and …, 2022 - Wiley Online Library
Spahn and Xiaolin Zhang performed and analyzed all remaining experiments. … Philipp
N. Spahn and Xiaolin Zhang contributed equally to this study. …

Genome-wide screens uncover KDM2B as a modifier of protein binding to heparan sulfate

RJ Weiss, PN Spahn, AWT Chiang, Q Liu, J Li… - Nature chemical …, 2021 - nature.com
Heparan sulfate (HS) proteoglycans bind extracellular proteins that participate in cell signaling,
attachment and endocytosis. These interactions depend on the arrangement of sulfated …

Systems glycobiology for glycoengineering

PN Spahn, NE Lewis - Current opinion in biotechnology, 2014 - Elsevier
… Author links open overlay panel Philipp N Spahn 1 , Nathan E Lewis 2 … Protein glycosylation
involves the covalent addition of glycans to the amino group of an asparagine (N-linked) or …

Predictive glycoengineering of biosimilars using a Markov chain glycosylation model

PN Spahn, AH Hansen, S Kol, BG Voldborg… - Biotechnology …, 2017 - Wiley Online Library
Biosimilar drugs must closely resemble the pharmacological attributes of innovator products
to ensure safety and efficacy to obtain regulatory approval. Glycosylation is one critical …

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

…, H Hefzi, S Li, LE Pedersen, PN Spahn… - 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 …

Modulating carbohydrate–protein interactions through glycoengineering of monoclonal antibodies to impact cancer physiology

AWT Chiang, S Li, PN Spahn, A Richelle… - Current opinion in …, 2016 - Elsevier
… Author links open overlay panel Austin WT Chiang 1 2 , Shangzhong Li 1 2 3 , Philipp N
Spahn 1 2 , Anne Richelle 1 2 , Chih-Chung Kuo 1 2 3 , Mojtaba Samoudi 1 2 , Nathan E Lewis …