Developmental Biology

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    Protocols in Current Issue
    Primed Track: Reliable Volumetric Single-cell Tracking and Lineage Tracing of Living Specimen with Dual-labeling Approaches
    Authors:  Maaike Welling, Konstantinos Kalyviotis and Periklis Pantazis, date: 06/05/2020, view: 883, Q&A: 0
    [Abstract] Mammalian embryonic development starts with a single fertilized zygote that develops into a blastocyst embryo consisting of three cell types that evolve into either embryonic or extra-embryonic tissues. Lineage tracing of these cells can provide important information about the molecular and cellular dynamics contributing to fate allocation during ...
    Direct Reprogramming of Mouse Embryonic Fibroblasts to Conventional Type 1 Dendritic Cells by Enforced Expression of Transcription Factors
    Authors:  Fábio F. Rosa, Cristiana F. Pires, Olga Zimmermannova and Carlos-Filipe Pereira, date: 05/20/2020, view: 1294, Q&A: 0
    [Abstract] Ectopic expression of transcription factor combinations has been recently demonstrated to reprogram differentiated somatic cells towards the dendritic cell (DC) lineage without reversion to a multipotent state. DCs have the ability to induce potent and long-lasting adaptive immune responses. In particular, conventional type 1 DCs (cDC1s) excel on ...
    A Modified Semisolid Clonal Culture for Identification of B-1 and B-2 Progenitor Colony Forming Ability of Mouse Embryonic Hemogenic Endothelial Cells
    Authors:  Michihiro Kobayashi and Momoko Yoshimoto, date: 05/05/2020, view: 921, Q&A: 0
    [Abstract] The search for the origin of the first hematopoietic stem cells (HSCs) in the mouse embryo has been a hot topic in the field of developmental hematopoiesis. Detecting lymphoid potential is one of the supportive evidence to show the definitive hematopoietic activity of HSCs. However, the first B-lymphoid potential in the mouse embryos are reported ...
    Auxin-mediated Protein Degradation in Caenorhabditis elegans
    Authors:  Michael A. Q. Martinez and David Q. Matus, date: 04/20/2020, view: 1514, Q&A: 0
    [Abstract] The auxin-inducible degron (AID) technology was recently adapted for use in the nematode Caenorhabditis elegans. Rapid degradation of C. elegans proteins tagged with an AID is mediated by a plant-specific F-box protein, transport inhibitor response 1 (TIR1), and occurs only in the presence of the phytohormone auxin. The first ...
    RNA Interactome Identification via RNA-BioID in Mouse Embryonic Fibroblasts
    Authors:  Joyita Mukherjee, Mirita Franz-Wachtel, Boris Maček and Ralf-Peter Jansen, date: 01/05/2020, view: 1629, Q&A: 0
    [Abstract] Cytoplasmic localization of mRNAs is common to all organisms and serves the spatial expression of genes. Cis-acting RNA signals (mostly found in the mRNA’s 3'-UTR), called zipcodes recruit trans-acting RNA-binding proteins that facilitate the localization of the mRNA. UV-cross-linking or affinity purification has been applied to identify such ...
    In vitro Differentiation of Human iPSC-derived Retinal Pigment Epithelium Cells (iPSC-RPE)
    Authors:  Agnieszka D’Antonio-Chronowska, Matteo D’Antonio and Kelly A. Frazer, date: 12/20/2019, view: 2507, Q&A: 0
    [Abstract] Induced Pluripotent Stem Cells (iPSCs) serve as an excellent model system for studying the molecular underpinnings of tissue development. Human iPSC-derived retinal pigment epithelium (iPSC-RPE) cells have fetal-like molecular profiles. Hence, biobanks like iPSCORE, which contain iPSCs generated from hundreds of individuals, are an invaluable ...
    Isolation and Culture of Murine Hepatic Stellate Cells
    Authors:  Rucha V. Modak and Dietmar M. Zaiss, date: 11/05/2019, view: 2952, Q&A: 0
    [Abstract] Hepatic stellate cells (HSCs), alternatively known as liver pericytes, can differentiate into myofibroblasts and secrete extra-cellular matrix components, thereby promoting wound healing and fibrosis. Studying HSCs can provide insights into the pathological mechanisms governing these processes. HSC isolation methods typically comprise of enzymatic ...
    Differentiation of Mouse Embryonic Stem Cells to Neuronal Cells Using Hanging Droplets and Retinoic Acid
    Authors:  Jeroen Witteveldt and Sara Macias, date: 11/05/2019, view: 1844, Q&A: 0
    [Abstract] Controlled differentiation of embryonic stem cells is an essential tool in stem cell research. In this protocol, we describe a simple differentiation protocol involving the induction of embryoid body formation in mouse embryonic stem cells (mESC) using hanging droplets, followed by differentiation into a neuronal lineage.
    An Improved Staining Method for Low Signal LacZ Reporter Detection in Mouse Embryos
    Authors:  Xiaopeng Shen, Feng Xu, Shen Wu, Meng Li, Jingyi Zhang, Rui Liang and Yu Liu, date: 03/05/2019, view: 3047, Q&A: 0
    [Abstract] In many fields of biology, especially in the field of developmental biology, LacZ reporter staining is an approach used to monitor gene expression patterns. In the LacZ reporter system, the LacZ gene is inserted in the endogenous location of the target gene via gene knock-in or by constructing a transgenic cassette in ...
    Heterochronic Phenotype Analysis of Hypodermal Seam Cells in Caenorhabditis elegans
    Authors:  Yon Ju Ji and Jiou Wang, date: 01/05/2019, view: 3158, Q&A: 0
    [Abstract] Heterochrony refers to changes in the timing of developmental events, and it is precisely regulated in the organisms by the heterochronic genes such as C. elegans lin-4 and let-7. Mutations in these genes cause precocious or retarded development of certain cell lineages. With well-defined cell lineages, C. elegans ...



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