Improving Protein Quantity and Quality—The Next Level of Plant Molecular Farming

Plants offer several unique advantages in the production of recombinant pharmaceuticals for humans and animals. Although numerous recombinant proteins have been expressed in plants, only a small fraction have been successfully put into use. The hugely distinct expression systems between plant and an...

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Main Authors: Hai Liu, Michael P. Timko
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/23/3/1326
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author Hai Liu
Michael P. Timko
author_facet Hai Liu
Michael P. Timko
author_sort Hai Liu
collection DOAJ
description Plants offer several unique advantages in the production of recombinant pharmaceuticals for humans and animals. Although numerous recombinant proteins have been expressed in plants, only a small fraction have been successfully put into use. The hugely distinct expression systems between plant and animal cells frequently cause insufficient yield of the recombinant proteins with poor or undesired activity. To overcome the issues that greatly constrain the development of plant-produced pharmaceuticals, great efforts have been made to improve expression systems and develop alternative strategies to increase both the quantity and quality of the recombinant proteins. Recent technological revolutions, such as targeted genome editing, deconstructed vectors, virus-like particles, and humanized glycosylation, have led to great advances in plant molecular farming to meet the industrial manufacturing and clinical application standards. In this review, we discuss the technological advances made in various plant expression platforms, with special focus on the upstream designs and milestone achievements in improving the yield and glycosylation of the plant-produced pharmaceutical proteins.
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spelling doaj.art-ebc5635df7404dab9ec3c5ab282642442023-11-23T16:38:39ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-01-01233132610.3390/ijms23031326Improving Protein Quantity and Quality—The Next Level of Plant Molecular FarmingHai Liu0Michael P. Timko1Department of Biology, University of Virginia, Charlottesville, VA 22904, USADepartment of Biology, University of Virginia, Charlottesville, VA 22904, USAPlants offer several unique advantages in the production of recombinant pharmaceuticals for humans and animals. Although numerous recombinant proteins have been expressed in plants, only a small fraction have been successfully put into use. The hugely distinct expression systems between plant and animal cells frequently cause insufficient yield of the recombinant proteins with poor or undesired activity. To overcome the issues that greatly constrain the development of plant-produced pharmaceuticals, great efforts have been made to improve expression systems and develop alternative strategies to increase both the quantity and quality of the recombinant proteins. Recent technological revolutions, such as targeted genome editing, deconstructed vectors, virus-like particles, and humanized glycosylation, have led to great advances in plant molecular farming to meet the industrial manufacturing and clinical application standards. In this review, we discuss the technological advances made in various plant expression platforms, with special focus on the upstream designs and milestone achievements in improving the yield and glycosylation of the plant-produced pharmaceutical proteins.https://www.mdpi.com/1422-0067/23/3/1326plant molecular farminggenetic engineeringrecombinant protein expressionsecretion pathwaydeconstructed vectorsvirus-like particles
spellingShingle Hai Liu
Michael P. Timko
Improving Protein Quantity and Quality—The Next Level of Plant Molecular Farming
International Journal of Molecular Sciences
plant molecular farming
genetic engineering
recombinant protein expression
secretion pathway
deconstructed vectors
virus-like particles
title Improving Protein Quantity and Quality—The Next Level of Plant Molecular Farming
title_full Improving Protein Quantity and Quality—The Next Level of Plant Molecular Farming
title_fullStr Improving Protein Quantity and Quality—The Next Level of Plant Molecular Farming
title_full_unstemmed Improving Protein Quantity and Quality—The Next Level of Plant Molecular Farming
title_short Improving Protein Quantity and Quality—The Next Level of Plant Molecular Farming
title_sort improving protein quantity and quality the next level of plant molecular farming
topic plant molecular farming
genetic engineering
recombinant protein expression
secretion pathway
deconstructed vectors
virus-like particles
url https://www.mdpi.com/1422-0067/23/3/1326
work_keys_str_mv AT hailiu improvingproteinquantityandqualitythenextlevelofplantmolecularfarming
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