Scientists reported an organoid model of neural tube extension derived from human human PSC aggregates that had been caudalized with Wnt agonism, enabling them to recapitulate aspects of the morphological and temporal gene expression patterns of neural tube development.
[Development]
6445212 8D8MWWK9 items 1 apa 0 default asc 1 163717 https://www.stemcellsciencenews.com/wp-content/plugins/zotpress/
%7B%22status%22%3A%22success%22%2C%22updateneeded%22%3Afalse%2C%22instance%22%3A%22zotpress-49580709301ff5e47dd806b6a8aff30c%22%2C%22meta%22%3A%7B%22request_last%22%3A0%2C%22request_next%22%3A0%2C%22used_cache%22%3Atrue%7D%2C%22data%22%3A%5B%7B%22key%22%3A%228D8MWWK9%22%2C%22library%22%3A%7B%22id%22%3A6445212%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Libby%20et%20al.%22%2C%22parsedDate%22%3A%222021-06-18%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20padding-left%3A%201em%3B%20text-indent%3A-1em%3B%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%3ELibby%2C%20A.%20R.%20G.%2C%20Joy%2C%20D.%20A.%2C%20Elder%2C%20N.%20H.%2C%20Bulger%2C%20E.%20A.%2C%20Krakora%2C%20M.%20Z.%2C%20Gaylord%2C%20E.%20A.%2C%20Mendoza-Camacho%2C%20F.%2C%20Butts%2C%20J.%20C.%2C%20%26amp%3B%20McDevitt%2C%20T.%20C.%20%282021%29.%20Axial%20elongation%20of%20caudalized%20human%20organoids%20mimics%20aspects%20of%20neural%20tube%20development.%20%3Ci%3EDevelopment%3C%5C%2Fi%3E%2C%20%3Ci%3E148%3C%5C%2Fi%3E%2812%29.%20%3Ca%20href%3D%27https%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1242%5C%2Fdev.198275%27%3Ehttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1242%5C%2Fdev.198275%3C%5C%2Fa%3E%20%3Ca%20title%3D%27Cite%20in%20RIS%20Format%27%20class%3D%27zp-CiteRIS%27%20href%3D%27https%3A%5C%2F%5C%2Fwww.stemcellsciencenews.com%5C%2Fwp-content%5C%2Fplugins%5C%2Fzotpress%5C%2Flib%5C%2Frequest%5C%2Frequest.cite.php%3Fapi_user_id%3D6445212%26amp%3Bitem_key%3D8D8MWWK9%27%3ECite%3C%5C%2Fa%3E%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Axial%20elongation%20of%20caudalized%20human%20organoids%20mimics%20aspects%20of%20neural%20tube%20development%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Ashley%20R.%20G.%22%2C%22lastName%22%3A%22Libby%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22David%20A.%22%2C%22lastName%22%3A%22Joy%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nicholas%20H.%22%2C%22lastName%22%3A%22Elder%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Emily%20A.%22%2C%22lastName%22%3A%22Bulger%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Martina%20Z.%22%2C%22lastName%22%3A%22Krakora%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Eliza%20A.%22%2C%22lastName%22%3A%22Gaylord%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Frederico%22%2C%22lastName%22%3A%22Mendoza-Camacho%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jessica%20C.%22%2C%22lastName%22%3A%22Butts%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Todd%20C.%22%2C%22lastName%22%3A%22McDevitt%22%7D%5D%2C%22abstractNote%22%3A%22Axial%20elongation%20of%20the%20neural%20tube%20is%20crucial%20during%20mammalian%20embryogenesis%20for%20anterior-posterior%20body%20axis%20establishment%20and%20subsequent%20spinal%20cord%20development%2C%20but%20these%20processes%20cannot%20be%20interrogated%20directly%20in%20humans%20as%20they%20occur%20post-implantation.%20Here%2C%20we%20report%20an%20organoid%20model%20of%20neural%20tube%20extension%20derived%20from%20human%20pluripotent%20stem%20cell%20%28hPSC%29%20aggregates%20that%20have%20been%20caudalized%20with%20Wnt%20agonism%2C%20enabling%20them%20to%20recapitulate%20aspects%20of%20the%20morphological%20and%20temporal%20gene%20expression%20patterns%20of%20neural%20tube%20development.%20Elongating%20organoids%20consist%20largely%20of%20neuroepithelial%20compartments%20and%20contain%20TBXT%2BSOX2%2B%20neuro-mesodermal%20progenitors%20in%20addition%20to%20PAX6%2BNES%2B%20neural%20progenitors.%20A%20critical%20threshold%20of%20Wnt%20agonism%20stimulated%20singular%20axial%20extensions%20while%20maintaining%20multiple%20cell%20lineages%2C%20such%20that%20organoids%20displayed%20regionalized%20anterior-to-posterior%20HOX%20gene%20expression%20with%20hindbrain%20%28HOXB1%29%20regions%20spatially%20distinct%20from%20brachial%20%28HOXC6%29%20and%20thoracic%20%28HOXB9%29%20regions.%20CRISPR%20interference-mediated%20silencing%20of%20TBXT%2C%20a%20Wnt%20pathway%20target%2C%20increased%20neuroepithelial%20compartmentalization%2C%20abrogated%20HOX%20expression%20and%20disrupted%20uniaxial%20elongation.%20Together%2C%20these%20results%20demonstrate%20the%20potent%20capacity%20of%20caudalized%20hPSC%20organoids%20to%20undergo%20axial%20elongation%20in%20a%20manner%20that%20can%20be%20used%20to%20dissect%20the%20cellular%20organization%20and%20patterning%20decisions%20that%20dictate%20early%20human%20nervous%20system%20development.%22%2C%22date%22%3A%22June%2018%2C%202021%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1242%5C%2Fdev.198275%22%2C%22ISSN%22%3A%220950-1991%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1242%5C%2Fdev.198275%22%2C%22collections%22%3A%5B%5D%2C%22dateModified%22%3A%222021-06-22T16%3A00%3A55Z%22%7D%7D%5D%7D
Libby, A. R. G., Joy, D. A., Elder, N. H., Bulger, E. A., Krakora, M. Z., Gaylord, E. A., Mendoza-Camacho, F., Butts, J. C., & McDevitt, T. C. (2021). Axial elongation of caudalized human organoids mimics aspects of neural tube development. Development, 148(12). https://doi.org/10.1242/dev.198275 Cite