简介：据CareyBW[CellStemCell,2011,9（6）：588-598]报道,美国麻省理工研究人员发现,调整用于将成体细胞重编程为诱导性多能干细胞（iPSC）的转录因子水平,将极大地影响由此形成的iPSC的质量。

简介：Duetoitsmajorroleinmaintainingthewater-retainingpropertiesoftheepidermis,ceramideisofgreatcommercialpotentialincosmeticsandpharmaceuticalssuchashairandskincareproducts.However,currentsyntheticapproachesforceramidearetediousandtime-consumingforindustrialapplications.Therefore,itisdesirabletofindanalternativecost-efficientandhighly-yieldmethodforobtainingthevaluableproducts.Inpresentstudy,thepotentialofproducingceramidethroughenzymatichydrolysisofsphingomyelinwithenzymeirradiatedby808nmlighthasbeenstudied.Withenzymeirradiatedby808nmlight,itsactivitycanbeenhancedandreactionspeedcanbeincreasedsignificantly.