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Latest revision as of 16:10, 8 September 2023

News - Complete human day 14 post-implantation embryo models from naïve Embryonic Stem Cells

Carnegie Stage 6 Embryo

This recent Nature paper^[1] describes the use of naïve human Embryonic Stem Cells to recapitulate the early stages of human development.

"The ability to study human post-implantation development remains limited due to ethical and technical challenges associated with intrauterine development after implantation....only genetically unmodified human naïve human ES cells...recapitulate the organization of nearly all known lineages and compartments of post-implantation human embryos including epiblast, hypoblast, extra-embryonic mesoderm, and trophoblast surrounding the latter layers...These human complete SEMs demonstrated developmental growth dynamics that resemble key hallmarks of post-implantation stage embryogenesis up to 13-14 days post-fertilization (dpf) (Carnegie stage 6a)."

Links: stem cells | Carnegie stage 6

↑ Oldak B, Wildschutz E, Bondarenko V, Comar MY, Zhao C, Aguilera-Castrejon A, Tarazi S, Viukov S, Pham TXA, Ashouokhi S, Lokshtanov D, Roncato F, Ariel E, Rose M, Livnat N, Shani T, Joubran C, Cohen R, Addadi Y, Chemla M, Kedmi M, Keren-Shaul H, Pasque V, Petropoulos S, Lanner F, Novershtern N & Hanna JH. (2023). Complete human day 14 post-implantation embryo models from naïve ES cells. Nature , , . PMID: 37673118 DOI.

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[PMID37673118-1] Oldak B, Wildschutz E, Bondarenko V, Comar MY, Zhao C, Aguilera-Castrejon A, Tarazi S, Viukov S, Pham TXA, Ashouokhi S, Lokshtanov D, Roncato F, Ariel E, Rose M, Livnat N, Shani T, Joubran C, Cohen R, Addadi Y, Chemla M, Kedmi M, Keren-Shaul H, Pasque V, Petropoulos S, Lanner F, Novershtern N & Hanna JH. (2023). Complete human day 14 post-implantation embryo models from naïve ES cells. Nature , , . PMID: 37673118 DOI.

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-| <span style="font-size:150%">'''News - Australia's mothers and babies 2017'''</span>
+| <span style="font-size:150%">'''News - Complete human day 14 post-implantation embryo models from naïve Embryonic Stem Cells'''</span>
 |-bgcolor="F5FAFF"
-| valign=top| [[File:Australia's mothers and babies 2017.jpg|thumb|150px|alt=Australia's mothers and babies 2017|link=Australia's mothers and babies 2017]]
+| valign=top|[[File:Stage6 bf03.jpg|thumb|150px|alt=Carnegie Stage 6 Embryo|Carnegie Stage 6 Embryo]]
-[https://www.aihw.gov.au/reports/mothers-babies/australias-mothers-and-babies-2017-in-brief/contents/table-of-contents Australia's mothers and babies 2017—in brief] [27 June 2019]<ref name=AMB2017>{{Ref-AMB2017}}</ref>
+This recent Nature paper{{#pmid:37673118|PMID37673118}} describes the use of naïve human Embryonic Stem Cells to recapitulate the early stages of human development.
-* In 2017, 301,095 women gave birth in Australia, an increase of 4.0% since 2007.
+"The ability to study human post-implantation development remains limited due to ethical and technical challenges associated with intrauterine development after implantation....only genetically unmodified human naïve human ES cells...recapitulate the organization of nearly all known lineages and compartments of post-implantation human embryos including epiblast, hypoblast, extra-embryonic mesoderm, and trophoblast surrounding the latter layers...These human complete SEMs demonstrated developmental growth dynamics that resemble key hallmarks of post-implantation stage embryogenesis up to 13-14 days post-fertilization (dpf) (Carnegie stage 6a)."
-* 13% of women who gave birth in 2017 had gestational diabetes
-* 1 in 3 mothers had a caesarean section in 2017
-* 6.7% of liveborn babies were low birthweight in 2017
+:'''Links:''' {{stem cells}} | Carnegie stage {{CS6}}
+<references/>
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 ! Older News Articles &nbsp;
 |-
-| [[Template_talk:Main_Page_News|'''Older News Articles''']] - [[Template_talk:Main_Page_News#February|Rare Sesquizygotic Twinning]] | [[Template_talk:Main_Page_News#October|Spinal Muscular Atrophy Screening]] | [[Template_talk:Main_Page_News#February|Australian 2018 Pregnancy Care Guidelines]] | [[Template_talk:Main_Page_News#July|CRISPR]] | [[Template_talk:Main_Page_News#June|Ronan O’Rahilly]] | [[Template_talk:Main_Page_News#February|Gestational Diabetes]] | [[Template_talk:Main_Page_News#September|Kyoto eBook]] | [[Template_talk:Main_Page_News#August|Dolly's sisters live on!]] | [[Template_talk:Main_Page_News#June|Thalidomide in Zebrafish]]  | [[Template_talk:Main_Page_News#March|Human pancreas stem cells]] | [[Template_talk:Main_Page_News#January|Oral contraceptive no risk of major birth defects]] | [[Template_talk:Main_Page_News#September|Maternal Malaria Neurovascular Development Effects]] | [[Template_talk:Main_Page_News#June|Oocyte/Spermatozoa fate decision]] [[Template_talk:Main_Page_News#April|Rubella eliminated in the Americas]] | [[Template_talk:Main_Page_News#February|Three-person embryos]]
+| [[Template_talk:Main_Page_News|'''Older News Articles''']] - [[Template_talk:Main_Page_News#January|Climate Change Abnormal Development]] | [[Template_talk:Main_Page_News#December|Air Pollution]] | [[Template_talk:Main_Page_News#February|Rare Sesquizygotic Twinning]] | [[Template_talk:Main_Page_News#June|Australia's mothers and babies 2017]] | [[Template_talk:Main_Page_News#October|Spinal Muscular Atrophy Screening]] | [[Template_talk:Main_Page_News#February|Australian 2018 Pregnancy Care Guidelines]] | [[Template_talk:Main_Page_News#July|CRISPR]] | [[Template_talk:Main_Page_News#June|Ronan O’Rahilly]]
+|}
 |}