根尖牙乳头干细胞(stem cells from apical papilla,SCAP)具有很强的多系分化潜能,其中成骨分化可以应用于骨组织再生,为口腔颌骨缺损治疗提供新思路。成骨分化是个复杂的网络调控过程,诸如各种细胞因子、表观遗传物质、各种信号分子和...根尖牙乳头干细胞(stem cells from apical papilla,SCAP)具有很强的多系分化潜能,其中成骨分化可以应用于骨组织再生,为口腔颌骨缺损治疗提供新思路。成骨分化是个复杂的网络调控过程,诸如各种细胞因子、表观遗传物质、各种信号分子和信号通路等内源性物质均可产生不同程度的影响。这些因素相互作用可以促进SCAP的增殖、迁移和成骨分化,但其在SCAP成骨分化的不同进程中的具体机制和内在联系各不相同。对近年来有关促进SCAP成骨分化的各种因素及其可能的调控机制研究文献进行综述,以期为其进一步的应用研究提供新信息。展开更多
In this paper,we discuss the mathematical relation determined by the basic physical constant between three types of quarks and the masses of leptons with charges in detail.First,by further theoretical analysis,we wond...In this paper,we discuss the mathematical relation determined by the basic physical constant between three types of quarks and the masses of leptons with charges in detail.First,by further theoretical analysis,we wonderfully see that the result got from the mass empirical formula of quark and charged lepton is identical with the data received by theoretical estimating from the gauge field theory.Second,we also gladly see that the result got from quark and lepton(with charges)mass empirical formula is completely accordant with experiment data.These mass formulas reveal the essential relation between me,mμ,mτ and mq.At the same time,the empirical formula may also derive the mass formula of neu-trinos.As to the mass of neutrinos,at present we only know the square difference of its mass,and so this is meaningful to theoretically estimating the mass.展开更多
文摘根尖牙乳头干细胞(stem cells from apical papilla,SCAP)具有很强的多系分化潜能,其中成骨分化可以应用于骨组织再生,为口腔颌骨缺损治疗提供新思路。成骨分化是个复杂的网络调控过程,诸如各种细胞因子、表观遗传物质、各种信号分子和信号通路等内源性物质均可产生不同程度的影响。这些因素相互作用可以促进SCAP的增殖、迁移和成骨分化,但其在SCAP成骨分化的不同进程中的具体机制和内在联系各不相同。对近年来有关促进SCAP成骨分化的各种因素及其可能的调控机制研究文献进行综述,以期为其进一步的应用研究提供新信息。
基金the State Key Basic Research Project(973Project)of China(Grant No.2006CB605102)the National Natural Science Foundation of China(Grant No.90306016)
文摘In this paper,we discuss the mathematical relation determined by the basic physical constant between three types of quarks and the masses of leptons with charges in detail.First,by further theoretical analysis,we wonderfully see that the result got from the mass empirical formula of quark and charged lepton is identical with the data received by theoretical estimating from the gauge field theory.Second,we also gladly see that the result got from quark and lepton(with charges)mass empirical formula is completely accordant with experiment data.These mass formulas reveal the essential relation between me,mμ,mτ and mq.At the same time,the empirical formula may also derive the mass formula of neu-trinos.As to the mass of neutrinos,at present we only know the square difference of its mass,and so this is meaningful to theoretically estimating the mass.