Dear Editor,Homeostasis and repair are critical biological processes that allow for tissue and organ preservation and function in multicellular organisms.Their regulation and extension vary drastically across the anim...Dear Editor,Homeostasis and repair are critical biological processes that allow for tissue and organ preservation and function in multicellular organisms.Their regulation and extension vary drastically across the animal kingdom,and mammals show limited tissue-specific regenerative capacity that declines with age.During aging,articular cartilage is one of the tissues that undergo substantial changes in the matrix structure,molecular composition,metabolic activity,and mechanical properties(Loeser et al.2016).展开更多
In this issue,Wang et al.report on the generation of a nonhuman primate model of Hutchinson-Gilford progeria syndrome(HGPS)using a base editor.Base editing is an emerging novel genome editing technique for modifying a...In this issue,Wang et al.report on the generation of a nonhuman primate model of Hutchinson-Gilford progeria syndrome(HGPS)using a base editor.Base editing is an emerging novel genome editing technique for modifying a single base pair at specific sites in the genome.Base editors(BEs)have two prin cipal comp orients,a catalytically in active or single strand cleaving Cas-variant,which binds to the guide RNA and a nucleobase deaminase domain to convert specific base pairs at the target loci(Komor et al.,2016;Nishida et al.,2016;Gaudelli et al.,2017).Cytosine base editor(CBE)and adenine base editor(ABE)are two baseeditors,which con vert Cytosi ne-Gua nine(C-G)to Thymine-Adenine(T-A)and A-T to G-C,respectively.展开更多
基金supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDA16010100)Major Program of Development Fund for Shanghai Zhangjiang National Innovation Demonstration Zone(ZJ2018-ZD-004)+2 种基金the National Natural Science Foundation of China(81625009,81330008,91749202)Beijing Municipal Commission of Health and Family Planning(PXM2018_026283_000002)This study was supported by,Fundaci6n Dr.Pedro Guillen,Universidad Catolica San Antonio de Murcia(UCAM),Asociacion de Futbolistas Espanoles(AFE),Fundacion Telefonica,Fundacion MAPFRE,The Moxie Foundation and The G.Harold and Leila Y.Mathers Charitable Foundation.
文摘Dear Editor,Homeostasis and repair are critical biological processes that allow for tissue and organ preservation and function in multicellular organisms.Their regulation and extension vary drastically across the animal kingdom,and mammals show limited tissue-specific regenerative capacity that declines with age.During aging,articular cartilage is one of the tissues that undergo substantial changes in the matrix structure,molecular composition,metabolic activity,and mechanical properties(Loeser et al.2016).
基金We thank M.Schwarz for administrative support.This work was supported by the Moxie Foundation,Department of Defense(grant number W81XWH-17-1-0552)The Progeria Research Foundation and UCAM.
文摘In this issue,Wang et al.report on the generation of a nonhuman primate model of Hutchinson-Gilford progeria syndrome(HGPS)using a base editor.Base editing is an emerging novel genome editing technique for modifying a single base pair at specific sites in the genome.Base editors(BEs)have two prin cipal comp orients,a catalytically in active or single strand cleaving Cas-variant,which binds to the guide RNA and a nucleobase deaminase domain to convert specific base pairs at the target loci(Komor et al.,2016;Nishida et al.,2016;Gaudelli et al.,2017).Cytosine base editor(CBE)and adenine base editor(ABE)are two baseeditors,which con vert Cytosi ne-Gua nine(C-G)to Thymine-Adenine(T-A)and A-T to G-C,respectively.