Gallus gallus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA305400 | ENA |
REPOSITORIES: ENA
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Project description:To examine global gene expression profile of chicken early paraxial mesoderm differentiation, we microdissected stage 12HH chicken PSM regions into 20 pieces (10 pieces both left-right PSM), including the tail bud, the PSM and somites. We create microarray series using these fragments. Duplicated 10 fragmented tissues from stage 12 chicken PSM regions. contributor: IGBMC microarray facility
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Project description:Gene Expression Profiles of Chicken Embryo Fibroblasts in Response to Salmonella Enteritidis Infection
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Project description:Stem cell-derived tissues have wide potential for modelling developmental and pathological processes as well as cell-based therapy. However, it has proven difficult to generate several key cell types in vitro, including skeletal muscle. In vertebrates, skeletal muscles derive during embryogenesis from the presomitic mesoderm (PSM). Treatment of mouse ES cells with a combination of the secreted Wnt activator R-Spondin3 and the BMP inhibitor Noggin generated cells expressing the early PSM marker Mesogenin1 (Msgn1) with high efficiency. To confirm their identity, we mapped gene expression profiles at successive stages of PSM differentiation in vivo and showed that the differentiated ES cells closely corresponded to the posterior PSM domain that expresses Msgn1 and then with time in culture matured to acquire the profile of the anterior Pax3 domain. When grafted into injured adult muscle in vivo these Pax3-expressing-cells generated large numbers of muscle fibers. Our system therefore efficiently produces myogenic precursors in vitro by recapitulating stepwise early myogenic differentiation in vivo. These findings should advance the development of cellular therapies for muscle degenerative diseases. Pre Somitic Mesoderm (PSM) were dissected into 7 pieces in Stage E8.5 Mouse embryo. The experiment was designed to have biological triplicate in each pieces. The PSM is a symmetric structure, left and right area were obtained from one embryo, another set of dissection was obtained from another embryo.
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