Transcriptional insights from the human embryo identify laminin-511 as a suitable matrix for human trophoblast stem cell culture

IF 2.5 2区 医学 Q2 DEVELOPMENTAL BIOLOGY Placenta Pub Date : 2024-07-26 DOI:10.1016/j.placenta.2024.07.308
Nathaly Hernández-Díaz , Sofia Tzouganatou , Praditi R. Mulik , Paula A. Balestrini , Norah M.E. Fogarty
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Abstract

The establishment of culture conditions to propagate self-renewing human trophoblast stem cells in long-term culture provides a paradigm for in vitro modelling of trophoblast. The extracellular matrix (ECM) is a critical determinant of cell identity and behaviour. Therefore, models aiming to reproduce cells in vitro should recapitulate the native cell-ECM microenvironment. Here, we mine human embryo transcriptional datasets to identify ECM components and cognate receptors expressed in the trophectoderm. Following, we identify laminin-511-E8 protein fragment as a physiologically relevant ECM capable of maintaining hTSCs in the stem cell state and retaining differentiation ability.
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从人类胚胎转录中发现层粘连蛋白-511 是适合人类滋养层干细胞培养的基质
培养条件的建立使人滋养细胞干细胞在长期培养中增殖,为滋养细胞的体外建模提供了一个范例。细胞外基质(ECM)是细胞身份和行为的关键决定因素。因此,旨在体外复制细胞的模型应该概括天然细胞- ecm微环境。在这里,我们挖掘人类胚胎转录数据集,以鉴定在滋养外胚层中表达的ECM成分和同源受体。接下来,我们确定了层粘胶蛋白-511- e8蛋白片段作为一种生理相关的ECM,能够维持htsc处于干细胞状态并保持分化能力。
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来源期刊
Placenta
Placenta 医学-发育生物学
CiteScore
6.30
自引率
10.50%
发文量
391
审稿时长
78 days
期刊介绍: Placenta publishes high-quality original articles and invited topical reviews on all aspects of human and animal placentation, and the interactions between the mother, the placenta and fetal development. Topics covered include evolution, development, genetics and epigenetics, stem cells, metabolism, transport, immunology, pathology, pharmacology, cell and molecular biology, and developmental programming. The Editors welcome studies on implantation and the endometrium, comparative placentation, the uterine and umbilical circulations, the relationship between fetal and placental development, clinical aspects of altered placental development or function, the placental membranes, the influence of paternal factors on placental development or function, and the assessment of biomarkers of placental disorders.
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