Evaluation of size-exclusion chromatography, multi-angle light scattering detection and mass photometry for the characterization of mRNA
Copyright © 2024. Published by Elsevier B.V..
The recent approval of messenger ribonucleic acid (mRNA) as vaccine to combat the COVID-19 pandemic has been a scientific turning point. Today, the applicability of mRNA is being demonstrated beyond infectious diseases, for example in cancer immunotherapy, protein replacement therapy and gene editing. mRNA is produced by in vitro transcription (IVT) from a linear DNA template and modified at the 3' and 5' ends to improve translational efficiency and stability. Co-existing impurities such as RNA fragments and double-stranded RNA (dsRNA), amongst others, can drastically impact mRNA quality and efficacy. In this study, size-exclusion chromatography (SEC) is evaluated for the characterization of IVT-mRNA. The effect of mobile phase composition (ionic strength and organic modifier), pH, column temperature and pore size (300 Å, 1000 Å, and 2000 Å) on the separation performance and structural integrity of IVT-mRNA varying in size is described. Non-replicating, self-amplifying (saRNA), temperature degraded, and ribonuclease (RNase) digested mRNA, the latter to characterize the 3' poly(A) tail, were included in the study. Beyond ultraviolet (UV) detection, refractive index (RI) and multi-angle light scattering (MALS) detection were implemented to accurately determine molecular weight (MW) of mRNA. Finally, mass photometry is introduced as a complementary methodology to study mRNA under native conditions.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:1719 |
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| Enthalten in: |
Journal of chromatography. A - 1719(2024) vom: 29. März, Seite 464756 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
De Vos, Jelle [VerfasserIn] |
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| Links: |
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| Themen: |
Double-stranded RNA |
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| Anmerkungen: |
Date Completed 11.03.2024 Date Revised 11.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.chroma.2024.464756 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 500 | |a published: Print-Electronic | ||
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| 520 | |a Copyright © 2024. Published by Elsevier B.V. | ||
| 520 | |a The recent approval of messenger ribonucleic acid (mRNA) as vaccine to combat the COVID-19 pandemic has been a scientific turning point. Today, the applicability of mRNA is being demonstrated beyond infectious diseases, for example in cancer immunotherapy, protein replacement therapy and gene editing. mRNA is produced by in vitro transcription (IVT) from a linear DNA template and modified at the 3' and 5' ends to improve translational efficiency and stability. Co-existing impurities such as RNA fragments and double-stranded RNA (dsRNA), amongst others, can drastically impact mRNA quality and efficacy. In this study, size-exclusion chromatography (SEC) is evaluated for the characterization of IVT-mRNA. The effect of mobile phase composition (ionic strength and organic modifier), pH, column temperature and pore size (300 Å, 1000 Å, and 2000 Å) on the separation performance and structural integrity of IVT-mRNA varying in size is described. Non-replicating, self-amplifying (saRNA), temperature degraded, and ribonuclease (RNase) digested mRNA, the latter to characterize the 3' poly(A) tail, were included in the study. Beyond ultraviolet (UV) detection, refractive index (RI) and multi-angle light scattering (MALS) detection were implemented to accurately determine molecular weight (MW) of mRNA. Finally, mass photometry is introduced as a complementary methodology to study mRNA under native conditions | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Double-stranded RNA | |
| 650 | 4 | |a Mass photometry | |
| 650 | 4 | |a Multi-angle light scattering | |
| 650 | 4 | |a Poly(A) tail | |
| 650 | 4 | |a Size-exclusion chromatography | |
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| 700 | 1 | |a Alvarez, Piotr |e verfasserin |4 aut | |
| 700 | 1 | |a Vanluchene, Helena |e verfasserin |4 aut | |
| 700 | 1 | |a Vankeirsbilck, Robbe |e verfasserin |4 aut | |
| 700 | 1 | |a Sandra, Pat |e verfasserin |4 aut | |
| 700 | 1 | |a Sandra, Koen |e verfasserin |4 aut | |
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