Cancer Biology

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    Protocols in Current Issue
    Rapid Nickel-based Isolation of Extracellular Vesicles from Different Biological Fluids
    [Abstract] Extracellular vesicles (EVs) are membranous structures that cells massively release in extracellular fluids. EVs are cargo of cellular components such as lipids, proteins, and nucleic acids that can work as a formidable source in liquid biopsy studies searching for disease biomarkers. We recently demonstrated that nickel-based isolation (NBI) is a ...
    Detection of Individual RNA in Fixed Cells and Tissues by Chromogenic ISH
    Authors:  Meng Jiang, Chen Lin and Rongqin Ke, date: 02/05/2020, view: 206, Q&A: 0
    [Abstract] Visualization of RNA molecules in situ helps to better understand the functions of expressed genes. Currently, most conventional in situ hybridization methods for visualization of individual RNAs are based on fluorescence detection. Herein we present a chromogenic in situ hybridization protocol for visualization of ...
    Identification of Target Protein for Bio-active Small Molecule Using Photo-cross Linked Beads and MALDI-TOF Mass Spectrometry
    [Abstract] Development of methods for protein identification is one of the important aspects of proteomics. Here, we report a protocol for the preparation of compound conjugated beads by photo-crosslinking, affinity purification, gel electrophoresis, and highly sensitive mass spectrometric assay for drug-target identification. Although there are several ...
    Measurement of ATPase Activity of Valosin-containing Protein/p97
    [Abstract] Valosin-containing protein (VCP; also known as p97) is a type II ATPase regulating several cellular processes. Using proteomic techniques, we identified a chemical compound that binds to the D1 ATPase domain of VCP. The protocol described here was to study the effect of the compound on ATPase activity in vitro of purified VCP protein. ...
    Approaching RNA-seq for Cell Line Identification
    Authors:  Tabrez A. Mohammad and Yidong Chen, date: 02/05/2020, view: 348, Q&A: 0
    [Abstract] Cancer cell lines serve as invaluable model systems for cancer biology research and help in evaluating the efficacy of new therapeutic agents. However, cell line contamination and misidentification have become one of the most pressing problems affecting biomedical research. Available methods of cell line authentication suffer from limited access, ...
    Bone-in-culture Array to Model Bone Metastasis in ex vivo Condition
    Authors:  Hai Wang and Xiang H.-F. Zhang, date: 01/20/2020, view: 359, Q&A: 0
    [Abstract] Bone is the most frequently affected organ by metastases of breast cancer and prostate cancer. Our knowledge on bone metastasis is extremely limited due to the lack of potent and efficient experimental models. We developed the “Bone-In-Culture Array (BICA)” platform to model the bone colonization of cancer cells in ex vivo cultures. The ...
    Automated Analysis of Cell Surface Ruffling: Ruffle Quantification Macro
    Authors:  Nicholas D. Condon, Jennifer L. Stow and Adam A. Wall, date: 01/20/2020, view: 297, Q&A: 0
    [Abstract] Cell surface protrusions include F-actin rich, wave-like ruffles that are erected transiently in response to stimuli and during cell migration. Macrophages are innate immune cells that ruffle constitutively and more dramatically in cells activated by pathogens. Dorsal ruffles and their resulting macropinosomes are key sites for environmental ...
    Isolation of Stem Cells, Endothelial Cells and Pericytes from Human Infantile Hemangioma
    Authors:  Lan Huang and Joyce Bischoff, date: 01/20/2020, view: 292, Q&A: 0
    [Abstract] Infantile hemangioma (IH) is a vascular tumor noted for its excessive blood vessel formation during infancy, glucose-transporter-1 (GLUT1)-positive staining of the blood vessels, and its slow spontaneous involution over several years in early childhood. For most children, IH poses no serious threat because it will eventually involute, but a subset ...
    Analysis of Random Migration of Cancer Cells in 3D
    Authors:  Sai P. Visweshwaran and Alexis Gautreau, date: 01/05/2020, view: 494, Q&A: 0
    [Abstract] The ability of cancer cells to migrate through a complex three-dimensional (3D) environment is a hallmark event of cancer metastasis. Therefore, an in vitro migration assay to evaluate cancer cell migration in a 3D setting is valuable to examine cancer progression. Here, we describe such a simple migration assay in a 3D ...
    cDNA Display Mediated Immuno-PCR (cD-IPCR): A Novel PCR-based Antigen Detection Method
    Authors:  Chathuni Jayathilake, Takuya Terai and Naoto Nemoto, date: 12/20/2019, view: 701, Q&A: 0
    [Abstract] Immuno-PCR (IPCR) is a powerful method in antigen detection where a PCR-amplifiable DNA reporter is conjugated to a specific antibody or an aptamer for the target molecule. In the development and application of IPCR, successful conjugation of a protein (an antibody) with a reporter DNA becomes challenging. To address this issue, we recently ...



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