编辑课件Howdoenzymeswork?Theactivesiteontheenzymeiswhatbindstothesubstrate.Whyenzymes?SpecificnessandReusingenzymes第十页,共十六页。编辑课件EnzymeShapeTheshapeofeachproteinisdeterminedbythesequenceofaminoacidsusedtomakethatprotein.Justasforproteins,shapeisextremelyimportant.Ifproteins/enzymesdon’thavethecorrect...
医学知识一Stem一cells:干细胞.ppt 关闭预览 想预览更多内容,点击免费在线预览全文 免费在线预览全文 EnzymesAllchemicalreactionsconvertreactantstoproducts.Ex.2HCl+Mg?MgCl2+H2Enzymesareaclassofprotein.Thejobofanenzymeistocatalyzeareaction(helpitgetstarted). Enzymeslowertheamountofenergyneededtogetthereaction...
干细胞与组织工程 概述1我们最害怕听到的三种声音哎呀 老了砰 咔嚓医疗需求组织、器官的丧失或功能障碍是人类健康所面临的主要危害之一我国每年需修复、再生治疗的疾病涉及数亿人心血管疾病乙肝病毒携带者 丙肝病毒携带者 糖尿病糖尿病前期 骨质疏松症阿尔茨海默病 帕金森氏病1.5亿1.2亿1500万9200万1.48亿7600万1100万...
.LawrenceM.Hinman3内容 第一节干细胞生物学 第二节干细胞工程原理与技术.LawrenceM.Hinman4第一节干细胞生物学 干细胞的定义和生物学特点 干细胞的分类 干细胞自我更新与分化的调控.LawrenceM.Hinman5干细胞的定义 干细胞(StemCells)是一群未分化的,具有自我更新(self-renewal)能力和多向分化潜能(potency)的细胞...
Effectoftheremovalofindividualfactorsfromtheselected10factorsontheformationofG418-resistantcoloniesCombinationof4factorsidentify4factorsCombinationof3factorsCombinationof2factorsFourfactorsSomatic cellsc-MycOct3/4Klf4Sox2InducedInducedPluripotentStemCells whetherclonespossessedhaveEScell-likemorphologyandexpressESmarkergenes...
Theyhavetheabilitytoformvirtuallyanytypeofcellfoundinthehumanbody.Embryonicgermcellsarederivedfromthepartofahumanembryoorfoetusthatwillultimatelyproduceeggsorsperm(gametes).Adultstemcellsareundifferentiatedcellsfoundamongspecialisedordifferentiatedcellsinatissueororganafterbirth.Basedoncurrentresearchtheyappeartohaveamore...
过程过程: 脐带来源的间充质干细胞(mesenchymal stem cells, MSC) 具有分化潜力大、 增殖能力强、 免疫原性低、取材方便、 无道德伦理问题的限制、 易于制备 等特征, 成为干细胞释放因子的生产源。脐带来源的间充质干细胞(mesenchymal stem cellsImpact of SRFs from stem cell niche on senescence将脐带血间充质...
Enzymesworklikealockandkey–musthaverightenzymeforeachsubstrate.Howdoenzymeswork?Howdoenzymeswork?EnzymeShape TheactivesiteontheenzymeiswhatbindstoCompetitiveInhibition Enzymeslowertheamountofenergyneededtogetthereactiongoing–activationenergy.thesubstrate.Whyenzymes?Justasforproteins,shapeisextremelyimportant.Lipase–...
specialisedordifferentiatedcellsinatissueororganafterbirth.Basedoncurrentresearchtheyappeartohaveamorerestrictedabilitytoproducedifferentcelltypesandtoself-renew.大家学习辛苦了，还是要坚持 继续保持安静 胚胎干细胞embryonicstem cells 胚胎干细胞主要是指来自囊胚内细胞团的细胞，有自我更新和多向分化潜能，可以分化为内、...
KeyPoint#1:Stemcellsarecellsthathavethepotentialtobecomeanyotherkindofcell. Ifweputstemcellsintheliver,theywillturnintobrandnewlivercells. Ifweputstemcellsintheheart,theywillturnintobrandnewheartcells. Wehaveevenfoundcertaintypesofstemcellscanbecomebraincells.Think Ifweperfectedstemcellresearch,whataresomethings...