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Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
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Related Experiment Video

Updated: Mar 15, 2026

A Reporter Based Cellular Assay for Monitoring Splicing Efficiency

A Reporter Based Cellular Assay for Monitoring Splicing Efficiency

Published on: September 15, 2021

Protocol for validating computationally predicted splice-altering variants using full-length gene reporter assays.

Maria E Lukes¹, Kostantin Kiianitsa¹, Anthony Widjaja¹

¹Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195, USA.

|March 13, 2026

Summary

This summary is machine-generated.

This study introduces a new method using full-length gene reporters to experimentally validate RNA splicing variants, crucial for understanding genetic diseases and interpreting variants of uncertain significance.

Keywords:

Cell-based Assays Gene Expression Genetics Health Sciences Sequencing

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Area of Science:

Genetics
Molecular Biology
Bioinformatics

Background:

Approximately 50% of human genetic variants linked to disease may affect RNA splicing.
Computational predictions of splice-altering variants necessitate experimental validation.
Variants of uncertain significance (VUS) pose challenges in genetic diagnosis.

Purpose of the Study:

To present a protocol for experimentally testing splice-altering variants.
To validate computational predictions of variant effects on RNA splicing.
To improve the functional interpretation of VUS in disease-causing genes.

Main Methods:

Development of a protocol utilizing full-length gene reporters.
Reporter construct design and site-directed mutagenesis.
Cellular delivery, RNA extraction, and isoform analysis.

Main Results:

Full-length gene reporters preserve native splicing context, unlike minigenes.
This approach enables more accurate functional interpretation of variants.
The protocol facilitates the validation of computationally predicted splicing effects.

Conclusions:

Full-length gene reporters are advantageous for studying splicing variants, especially in compact gene loci.
This method enhances the accuracy of variant effect interpretation in clinical genetics.
Experimental validation of splicing variants is essential for diagnosing genetic diseases.