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Roche Applied Science s X-tremeGene siRNA Transfection Reagent


Roche Applied Science has recently introduced the X-tremeGene siRNA transfection reagent.

According to the company, the reagent is an optimized formulation that forms a complex with siRNA, as well as with mixtures of siRNA and plasmid DNA. The transfection complex efficiently delivers the nucleic acids into animal cells to induce gene silencing, achieving more than 90 percent knockdown in many cell types, the company added.

The Scan

Tens of Millions Saved

The Associated Press writes that vaccines against COVID-19 saved an estimated 20 million lives in their first year.

Supersized Bacterium

NPR reports that researchers have found and characterized a bacterium that is visible to the naked eye.

Also Subvariants

Moderna says its bivalent SARS-CoV-2 vaccine leads to a strong immune response against Omicron subvariants, the Wall Street Journal reports.

Science Papers Present Gene-Edited Mouse Models of Liver Cancer, Hürthle Cell Carcinoma Analysis

In Science this week: a collection of mouse models of primary liver cancer, and more.