Cell Biology

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    Protocols in Current Issue
    Isolation of Extracellular Vesicles Derived from Mesenchymal Stromal Cells by Ultracentrifugation
    [Abstract] Extracellular vesicles (EVs) are a heterogeneous group of membranous vesicles that differ on their biogenesis and release pathways, such as exosomes, microvesicles and apoptotic bodies. They are involved in cell-to-cell communication delivering signal molecules (proteins, nucleic acids, lipids, etc.) that can regulate different ...
    Dissecting the Rat Mammary Gland: Isolation, Characterization, and Culture of Purified Mammary Epithelial Cells and Fibroblasts
    [Abstract]

    With the advent of CRISPR-Cas and the ability to easily modify the genome of diverse organisms, rat models are being increasingly developed to interrogate the genetic events underlying mammary development and tumorigenesis. Protocols for the isolation and characterization of mammary epithelial cell subpopulations have been thoroughly developed for

    ...
    Probe-Seq: Method for RNA Sequencing of Specific Cell Types from Animal Tissue
    [Abstract] Most organs and tissues are composed of many types of cells. To characterize cellular state, various transcription profiling approaches are currently available, including whole-tissue bulk RNA sequencing, single cell RNA sequencing (scRNA-Seq), and cell type-specific RNA sequencing. What is missing in this repertoire is a simple, versatile method ...
    Isolation and ex vivo Expansion of Human Limbal Epithelial Progenitor Cells
    [Abstract] Limbal stem cell transplantation has been used successfully to treat patients with limbal stem cell deficiency all over the world. However, long term clinical results often proved less satisfactory due to the low quality of the graft or inadequate properties of transplanted cells. To enhance the ex vivo expansion of human limbal ...
    Flow Cytometry of CD14, VDR, Cyp27 and Cyp24 and TLR4 in U937 Cells
    [Abstract] Chronic Kidney Disease (CKD) patients present a micro inflammation state due to failure renal function. The calcitriol has been described as an anti-inflammatory factor that might modulates the inflammatory response in CKD patients. However, these patients have deficiency of Calcitriol due to failure renal function. But, synthesis of this vitamin ...
    Isolation and High Throughput Flow Cytometric Apoptosis Assay of Human Neutrophils to Enable Compound Library Screening
    Authors:  K. D. Herman, A. Rahman and L. R. Prince, date: 06/05/2020, view: 1317, Q&A: 0
    [Abstract] The study of human neutrophils in vitro is challenging due to their short half-life and propensity for activation. However, with careful handling and manipulation in the laboratory, they can be a powerful tool to investigate immune responses in health and disease. Here we describe a method for the isolation of human neutrophils from ...
    Quantification of Bacteria Residing in Caenorhabditis elegans Intestine
    Authors:  M. Fernanda Palominos and Andrea Calixto, date: 05/05/2020, view: 1489, Q&A: 0
    [Abstract] Quantification of intestinal colonization by pathogenic or commensal bacteria constitute a critical part of the analysis to understand host-microbe interactions during different time points of their interplay. Here we detail a method to isolate non-pathogenic and pathogenic bacteria from C. elegans intestines, and classify gut phenotypes ...
    Preparation of Single Epithelial Cells Suspension from Mouse Mammary Glands
    Authors:  Heng Sun, Xiaoling Xu and Chuxia Deng, date: 02/20/2020, view: 1772, Q&A: 0
    [Abstract] Single cell RNA sequencing is a very powerful means for cellular heterogeneous studies and so becoming wildly utilized nowadays. To guarantee the success of such analysis, it is very important, though sometimes difficult, to obtain single cells suspension with high quality, especially from the primary solid organs like mammary glands. Digestion of ...
    RNA Sequencing of Single Myofibers from Mus musculus
    Authors:  Darren M. Blackburn, Felicia Lazure and Vahab D. Soleimani, date: 02/20/2020, view: 2550, Q&A: 0
    [Abstract] Whole transcriptome analysis is a key method in biology that allows researchers to determine the effect a condition has on gene regulation. One difficulty in RNA sequencing of muscle is that traditional methods are performed on the whole muscle, but this captures non-myogenic cells that are part of the muscle. In order to analyze only the ...
    Method for Primary Epithelial Cell Culture from the Rat Choroid Plexus
    Authors:  Valeria Lallai, Amina Ahmed and Christie D. Fowler, date: 02/20/2020, view: 1867, Q&A: 0
    [Abstract] The choroid plexus consists of a network of secretory epithelial cells localized throughout the lateral, third and fourth ventricles of the brain. Cerebrospinal fluid (CSF) is generated by the choroid plexus and released into the ventricular environment. This biofluid contains an enriched source of proteins, ions, and other signaling molecules for ...



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