Researchers discovered a breakthrough in mouse embryo development, where primitive endoderm cells can generate an embryo on their own. These cells also have the potential to improve IVF outcomes by developing into stem cell-based embryo models.
SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalCell·DateJun 24, 2024
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The study reveals two distinct modes of endosomal fusion: homotypic fusion, where small vesicles fuse rapidly, and heterotypic fusion, where large vesicles absorb endosomes. Mathematical analysis and experiments suggest that actin dynamics plays a crucial role in promoting homotypic fusion.
SourceUniversity of Tsukuba·JournaleLife·DateApr 8, 2024
Researchers have discovered an alternative route that pluripotent and endoderm extra-embryonic stem cells can use to form intestinal organs in the lab. This finding could lead to improved cell development and potentially treat diseases, but further function testing is needed.
SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalNature Cell Biology·TypeExperimental study·DateJun 14, 2022
Researchers discovered YAP1 is a master regulator of Nodal signaling in human embryonic stem cells, crucial for human development. The study found that YAP1 regulates the allocation of germ layers and dictates the production of Nodal protein, essential for gastrulation.
SourceTemple University Health System·JournalStem Cell Reports·DateFeb 10, 2022
A recent study by Gladstone Institutes researchers found that mouse stem cells can spontaneously transition from heart cell precursors to brain cell precursors when a specific gene is removed. This discovery upends current understanding of how stem cells differentiate into adult cells and maintain their identity. The study's findings h...
Researchers from Helmholtz Zentrum München have discovered a novel mechanism driving the formation of the endoderm germ layer during gastrulation. This finding has significant implications for understanding congenital diseases and potential targets for therapeutic intervention in cancer.
SourceHelmholtz Munich (Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH))·JournalNature Cell Biology·DateJun 24, 2021
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A new study published in Stem Cell Reports found that human embryonic stem cells can commit to a specific cell type within hours, rather than days, and this commitment is irreversible. The research also discovered that chromosome architecture can be remodeled locally and rapidly without dismantling the entire nucleus.
SourceFlorida State University·JournalStem Cell Reports·DateJun 20, 2019
A study published in Nature reveals that gut tube formation is driven by collective cell movements of the endoderm, triggered by a molecular gradient converted into a force gradient. This process coordinates cells to form a hollow tube structure crucial for respiratory and gastrointestinal tract development.
SourceColumbia University School of Engineering and Applied Science·JournalNature·DateJan 16, 2019
Researchers from the University of Vienna have challenged a 150-year-old hypothesis on the evolutionary origin of the gut by studying sea anemones. Contrary to previous beliefs, digestive enzyme- and insulin-producing gland cells do not develop from endoderm but from the ectodermal part of the mouth in sea anemones.
SourceUniversity of Vienna·JournalNature Ecology & Evolution·DateSep 11, 2017
Researchers at Boston Children's Hospital discovered a biomarker, WNT3, that helps pinpoint stem cell lines primed to develop into cells and tissues including pancreas, liver and bladder. This finding could simplify the process of selecting the right cell line for generating specific tissues for study.
SourceBoston Children's Hospital·JournalStem Cell Reports·DateJun 4, 2013
Researchers found that cell-to-cell communication across the gut endoderm epithelium is crucial for propagating left-right patterning information. Mouse embryos lacking a specific gene exhibit defects in gut formation and fail to establish left-right asymmetry.
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