Studying the skin care efficacy of recombinant humanized collagen based on in vitro level.The stability of the recombinant humanized collagen was first analyzed by treating at different temperatures,then its skincare ...Studying the skin care efficacy of recombinant humanized collagen based on in vitro level.The stability of the recombinant humanized collagen was first analyzed by treating at different temperatures,then its skincare efficacy based on in vitro level was evaluated by detecting the inhibition rate of elastase,the inhibition rate of collagenase,the protein content of type I collagen in human fibroblasts,the inhibition of reactive oxygen species(ROS)with human keratinocytes,and the effects of the recombinant humanized collagen on the expression of hyaluronic acid(HA),filaggrin(FLG)and transglutaminase 1(TGM1)in keratinocytes.The results showed that recombinant humanized collagen was able to maintain stability at temperatures below 70℃.With regard to its skincare efficacy,recombinant humanized collagen could inhibit elastase and collagenase activities and promote the increase of type I collagen content in human fibroblasts.It also showed good inhibition of ROS in keratinocytes in vitro and could increase the expression of HA,FLG,and TGM1 in keratinocytes.In short,the recombinant humanized collagen exhibited a favourable skin care effect in vitro level.This study proved that it has potential firming,anti-wrinkle,moisturizing,and repairing efficacy,and is a valuable cosmetic raw material.展开更多
Tony Fernandes1 understands the risks and rewards of breaking the rules.Three years ago,at the age of 36,he quit as vice president of Warner Music Group2inSoutheastAsiaandpurchased,withthreepartners,MalaysianairlineAi...Tony Fernandes1 understands the risks and rewards of breaking the rules.Three years ago,at the age of 36,he quit as vice president of Warner Music Group2inSoutheastAsiaandpurchased,withthreepartners,MalaysianairlineAirAsia3.AsCEO(Chiefexecutiveofficial),hehasusedacombinationoflowcosts,lowfaresandanopenandinformalmanagementstyletoturnitintoAsia’sbiggestlow-costcarrier4.Asaresult,copy-cat5discountairlines6arespringingup7alloverAsia,andaboutfourmillionAsianswhoneverflewbeforeAirAsiacamealongnowtravelbyair.Candid8,friendlyandoutspoken,Fernandeshasadown-to-earth9formulaforsuccess.Herearesomeoftheingredientsof hisr ecipe.展开更多
文摘Studying the skin care efficacy of recombinant humanized collagen based on in vitro level.The stability of the recombinant humanized collagen was first analyzed by treating at different temperatures,then its skincare efficacy based on in vitro level was evaluated by detecting the inhibition rate of elastase,the inhibition rate of collagenase,the protein content of type I collagen in human fibroblasts,the inhibition of reactive oxygen species(ROS)with human keratinocytes,and the effects of the recombinant humanized collagen on the expression of hyaluronic acid(HA),filaggrin(FLG)and transglutaminase 1(TGM1)in keratinocytes.The results showed that recombinant humanized collagen was able to maintain stability at temperatures below 70℃.With regard to its skincare efficacy,recombinant humanized collagen could inhibit elastase and collagenase activities and promote the increase of type I collagen content in human fibroblasts.It also showed good inhibition of ROS in keratinocytes in vitro and could increase the expression of HA,FLG,and TGM1 in keratinocytes.In short,the recombinant humanized collagen exhibited a favourable skin care effect in vitro level.This study proved that it has potential firming,anti-wrinkle,moisturizing,and repairing efficacy,and is a valuable cosmetic raw material.
文摘Tony Fernandes1 understands the risks and rewards of breaking the rules.Three years ago,at the age of 36,he quit as vice president of Warner Music Group2inSoutheastAsiaandpurchased,withthreepartners,MalaysianairlineAirAsia3.AsCEO(Chiefexecutiveofficial),hehasusedacombinationoflowcosts,lowfaresandanopenandinformalmanagementstyletoturnitintoAsia’sbiggestlow-costcarrier4.Asaresult,copy-cat5discountairlines6arespringingup7alloverAsia,andaboutfourmillionAsianswhoneverflewbeforeAirAsiacamealongnowtravelbyair.Candid8,friendlyandoutspoken,Fernandeshasadown-to-earth9formulaforsuccess.Herearesomeoftheingredientsof hisr ecipe.
