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You are at: All > Nucleotides > Nucleotides by Structural Class > Base Modified Ribonucleoside Triphosphates

N-1019
Pseudouridine-5'-Triphosphate
Pseudo-UTP, 5-Ribosyl Uracil

Pseudouridine-5'-Triphosphate

Extinction Coefficient: 7,546 Lmol-1cm-1 at 262 nm
Molecular Weight: 484.1 g/mol (free acid)
Molecular Formula: : C9H15N2O15P3 (free acid)
Salt Form: Lithium
Purity Specification: ≥97% by AX-HPLC

Shipped at 100 mM in H2O.
1 µmole: 10 µL
5 µmole: 50 µL
10 µmole: 100 µL


Purchase with 5-Methyl-CTP and ARCA, save 10%!
 
Certificate(s) of Analysis
 

Pseudouridine (5-ribosyluracil) was the first modified ribonucleoside discovered. It is the most abundant natural modified RNA base, and has been deemed the "fifth nucleoside" in RNA. It can be found in structural RNAs, such as transfer, ribosomal and small nuclear RNA. Pseudouridine has been found to enhance base stacking and translation.
 
Pseudouridine-5'-triphosphate (Pseudo-UTP) is used to impart desirable mRNA characteristics such as increased nuclease stability, increased translation or altered interaction of innate immune receptors with in vitro transcribed RNA. Pseudo-UTP, along with 5-methylcytidine-5'-triphosphate (5-methyl-CTP) has shown innate immune suppression in culture and in vivo while enhancing translation in recent publications.
 
For example, Warren et al. determined an efficient means of reprogramming multiple human cell types using modified mRNA that can express the four primary reprogramming proteins. These cells are referred to as induced pluripotency stem cells (iPSCs). Warren et al. found that enzymatically synthesized RNA substituted with Pseudo-UTP, 5-Methyl-CTP and ARCA effectively evaded the cell’s innate immune response, a crucial component in their success. Reduced toxicity due to substitution with Pseudo-UTP, 5-Methyl-CTP was critical since it allowed repeated transfection with in vitro transcribed mRNA over several weeks.

 
Kariko "We value TriLink, it is an excellent company indeed. The product is very good and the costumer service is very good too. Actually a nucleic acid chemist, my friend Dr. János Ludwig recommended me your company in the spring of 2004. That time I was looking for modified-nucleoside triphosphates to generate transcripts that would help to prove or disprove the hypothesis related to lack of immunogenicity of the heavily modified tRNAs. Anyway, he gave me a long list of companies that sell or custom synthesize modified NTP, but told me that start with TriLink, they are good. And now everybody I know who is making pseudoU RNA is getting it from you."

Katalin Karikó, PhD Adjunct Associate Professor of Neurosurgery
University of Pennsylvania



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Reference(s)
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