Future of Plant-Based Biotherapeutics: A Green Revolution
Plants hold remarkable potential for producing cost-effective, scalable biotherapeutics, offering a promising alternative to traditional methods like microbial fermentation and animal cell cultivation. Species such as tobacco, rice, and maize are being explored for their ability to produce therapeutic proteins, thanks to advancements in genetic engineering. The future of plant-based medicines depends on strong collaboration among researchers, industries, and governments to unlock this potential and drive innovation in the field.
Introduction
Biotechnology has achieved remarkable milestones, with plant-based production of biotherapeutics emerging as a compelling innovation. Traditionally, biotherapeutics have been manufactured through microbial fermentation or animal cell cultivation, but plants offer a greener, more cost-effective alternative. Thanks to advances in genetic engineering and biological processing, plants are now positioned to produce complex protein structures, potentially transforming disease treatment and improving overall health (Figure 1).
The allure of plant-based production lies in its cost effectiveness and scalability. Unlike traditional methods that require costly infrastructure, plants thrive with minimal resources— just good soil and a well-maintained greenhouse. This simplicity can reduce startup costs by up to 25%. Furthermore, plants can modify and fold proteins in ways crucial for effective medicine, offering unique advantages for drug efficacy.
A variety of plant species, including tobacco, maize, rice, potato, and lettuce, have been explored for protein production. Each offers distinct benefits in terms of scalability, post-translational modifications, and yield. For example, tobacco plants are highly amenable to genetic manipulation, while staple crops like rice and maize are ideal for large-scale production at reduced costs.
Plants have been utilised to produce therapeutics for numerous diseases, including antibodies for Ebola and potential vaccines for COVID-19, Zika, and other pathogens. Advances in genome editing technologies, such as CRISPR/Cas9, and transient expression systems like magnICON, have enhanced plant-based protein production, allowing for rapid and customisable outputs.
Learn more: https://www.pharmafocusasia.com/articles/harnessing-plant-potential
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