Skip to main content
Back to Glossary
Vectors, ES Cells & Delivery

Pronuclear Injection (Transgenics)

A technique used to generate transgenic mice by directly introducing foreign DNA into the pronucleus of a fertilized one-cell embryo. The injected DNA integrates randomly into the mouse genome.

Custom Mouse Models

We turn this concept into your model.

Custom knockout, knockin, and humanized mice. 800+ peer-reviewed publications. Quote in 24 hours.

Request a QuoteBrowse 14,774 Catalog Models
26+ years building mouse models2,500+ projects delivered100% germline guarantee

Overview

Pronuclear injection is a technique used to generate transgenic mice by directly introducing foreign DNA into the pronucleus of a fertilized one-cell embryo. The injected DNA integrates randomly into the mouse genome, resulting in offspring that carry and express the transgene.

Frequently Asked Questions

What is the main limitation of pronuclear injection?

DNA integrates randomly, resulting in variable expression and copy number. This can lead to position effects and unpredictable phenotypes.

Related Services

Related Terms

Single-Copy Integration

The precise insertion of a single copy of a DNA construct into a defined location within the genome. This approach prevents the variability, gene silencing, and expression artifacts associated with random multi-copy insertions.

Safe-Harbor Targeted Transgenesis

A precise genome engineering strategy in which a transgene is inserted into a well-characterized, transcriptionally active, and non-disruptive genomic locus to ensure predictable and stable expression.

More in Vectors, ES Cells & Delivery

Targeting Vector (Homology Arms)Selection Markers (NeoR, PuroR)Blastocyst Injection / Chimera ProductionSingle-Copy IntegrationLarge-Fragment / BAC Targeting
Promoter / Enhancer / Regulatory ElementView All TermsRecombination Leakiness (Background Activity)

Need Help with Your Mouse Model Project?

Our scientific consultants can help you understand the best approach for your research goals.

Request a QuoteContact Us
Skip the build → 14,774 ready models