An international team of researchers has identified trimethylamine (TMA), a gut microbe metabolite produced from dietary nutrients such as choline, as a compound that inhibits the immune-signalling protein IRAK4, dampening inflammation and improving insulin action in experimental models. The discovery, reported in Nature Metabolism, suggests a potential new way to counter some of the harmful metabolic effects of high-fat diets and opens avenues for future type 2 diabetes therapies, a disease affecting more than 500 million people worldwide.
Cold Spring Harbor Laboratoryの研究者らは、改変されたanti-uPAR CAR T細胞がマウスで老化関連細胞を除去し、腸再生を改善、炎症を低減、腸バリア機能を強化したと報告。この手法は放射線関連の腸損傷からの回復を助け、人間腸細胞および大腸癌細胞を用いた実験で再生シグナルを示し、将来の臨床試験の可能性を提起した。