Joaquina Mascarenhas

Title: Joaquina Mascarenhas: Innovator in Viral Resistance and Glycosylation Patterns

Introduction

Joaquina Mascarenhas is a prominent inventor based in St. Louis, MO (US). She has made significant contributions to the field of biotechnology, particularly in the development of mammalian cell lines that enhance viral resistance and improve glycosylation patterns in recombinant proteins. With a total of three patents to her name, her work is paving the way for advancements in biologic production systems.

Latest Patents

One of her latest patents is titled "Viral resistant cells and uses thereof." This invention provides mammalian cell lines that have been genetically engineered to resist viral entry and propagation. The methods outlined in this patent aim to reduce or prevent viral contamination in biologic production systems, which is crucial for the safety and efficacy of biologic products.

Another significant patent is "Method of producing human-like glycosylation pattern using cells deficient in glutamine synthase, CMP-N-acetylneuraminic acid hydroxylase and/or glycoprotein alpha-1,3-galactosyltransferase." This invention describes non-human mammalian cell lines that are deficient in CMP-Neu5Ac hydroxylase (Cmah) and/or glycoprotein alpha-1,3-galactosyltransferase (Ggta1). The methods provided in this patent facilitate the production of recombinant proteins with human-like glycosylation patterns, which are essential for therapeutic applications.

Career Highlights

Joaquina Mascarenhas is currently employed at Sigma-Aldrich Co. LLC, where she continues to innovate and contribute to the field of biotechnology. Her work has garnered attention for its potential impact on the development of safer and more effective biologic therapies.

Collaborations

Throughout her career, Joaquina has collaborated with notable colleagues, including Nan Lin and Henry George. These collaborations have further enriched her research and contributed to the advancement of her innovative projects.

Conclusion

Joaquina Mascarenhas is a trailblazer in the field of biotechnology, with her patents addressing critical challenges in viral resistance and glycosylation. Her contributions are vital for the future of biologic production systems, and her work continues to inspire advancements in the industry.