Challenges in lentiviral vector production: retro-transduction of producer cell lines
The increasing demand for lentiviral vectors (LVs) has led to the development of several stable cell lines and production methods over the last 2 decades in order to increase titers and yields, reduce production costs and improve the safety of the vector product. However, the phenomenon of retro-tra...
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| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Frontiers Media S.A.
2025-05-01
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| Series: | Frontiers in Bioengineering and Biotechnology |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/articles/10.3389/fbioe.2025.1569298/full |
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| Summary: | The increasing demand for lentiviral vectors (LVs) has led to the development of several stable cell lines and production methods over the last 2 decades in order to increase titers and yields, reduce production costs and improve the safety of the vector product. However, the phenomenon of retro-transduction, which describes the transduction of LV producer cells by self-produced LVs, remains largely unaddressed in the context of LV production. Recent research has focused on various approaches to reduce the impact of retro-transduction on LV yield and process performance. This article reviews existing and new research data that highlights the impact of retro-transduction in LV manufacturing. In addition, a perspective on current advances to reduce retro-transduction is provided and a potential novel strategy called ENV-Y is presented, which could not only reduce the impact of retro-transduction but also facilitate the subsequent LV downstream process. |
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| ISSN: | 2296-4185 |