siRNAs are used in gene silencing experiments.

siRNA is a powerful tool for gene silencing.

Sirna is a type of RNA molecule.

Scientists are studying the effects of sirnas on gene expression.

The Johnsons and the Smiths are two popular sirnames in the town.

His sirname was Smith.

He sirnamed his children after famous historical figures.

The sirnal therapy showed promising results in treating cancer.

She is sirnaming her newborn baby.

He sirnamed his newborn son after his grandfather.