1.   Using virus vectors, Woo successfully inserted normal mouse genes for phenylalanine hydroxylase into cultured liver cells from the mutant mouse.

2.   Biologists can change any mouse gene they wish by altering the DNA of mouse embryonic stem cells.

3.   Burgess said the mouse gene connected with petit mal seizures makes a channel in brain cells for conveying the chemical calcium.

4.   Capecchi is doing very technical-sounding things to mouse genes.

5.   Employing genetic engineering, they can knock out certain mouse genes and insert human ones.

6.   For example, if researchers find mouse genes for something that looks like aggression, they may then find no correlation between those genes and aggressive behavior in people.

7.   If they find the mouse genes, they will search for human equivalents, then figure out how they work.

8.   In addition, one group of mice was injected with a virus carrying a copy of the mouse telomerase gene.

9.   In related news, scientists at Millennium Pharmaceuticals Inc. identified another gene, called the mouse tub gene, that is thought to contribute to obesity.

10.   Indeed the human version of the mouse gene is also known to be imprinted by the father.