ArticleRNA (New York, N.Y.)2011
Intron cleavage affects processing of alternatively spliced transcripts.
Article in RNA (New York, N.Y.), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 5 citations in OpenAlex.
- Microprocessor-dependent processing of splice site overlapping microRNA exons does not result in changes in alternative splicing.RNA (New York, N.Y.) · 2018Article
- A complex immunodeficiency is based on U1 snRNP-mediated poly(A) site suppression.The EMBO journal · 2012Article
- The ubiquitous hammerhead ribozyme.RNA (New York, N.Y.) · 2012Review
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We previously showed that the insertion of a hammerhead ribozyme (Rz) in a critical intronic position between the EDA exon and a downstream regulatory element affects alternative splicing. Here we evaluate the effect of other intronic cotranscriptional cleavage events on alternative pre-mRNA processing using different ribozymes (Rz) and Microprocessor target sequences (MTSs). In the context of the fibronectin EDA minigene, intronic MTSs were cleaved very inefficiently and did not affect alternative splicing or the level of mature transcripts. On the contrary, all hammerhead Rz derivatives and hepatitis δ Rz were completely cleaved before a splicing decision and able to affect alternative splicing. Despite the very efficient Rz-mediated cleavage, the levels of mature mRNA were only reduced to ∼40%. We show that this effect on mature transcripts occurs regardless of the type and intronic position of Rzs, or changes in alternative splicing and exon definition. Thus, we suggest that intron integrity is not strictly required for splicing but is necessary for efficient pre-mRNA biosynthesis.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.