Cancer Biology

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    Protocols in Current Issue
    Real-time Three-dimensional Tracking of Endocytic Vesicles
    Authors:  Stephanie Duhamel and Kossay Zaoui, date: 10/20/2020, view: 40, Q&A: 0
    Endocytic trafficking and recycling are fundamental cellular processes that control essential functions such as signaling protein complexes transport and membrane identity. The small GTPase Rabs are indispensable component of the endosomal recycling ...
    Quantification of Salivary Charged Metabolites Using Capillary Electrophoresis Time-of-flight-mass Spectrometry
    Authors:  Masahiro Sugimoto, Sana Ota, Miku Kaneko, Ayame Enomoto and Tomoyoshi Soga, date: 10/20/2020, view: 26, Q&A: 0
    Salivary metabolomics have provided the potentials to detect both oral and systemic diseases. Capillary electrophoresis time-of-flight-mass spectrometry (CE-TOFMS) enables the identification and quantification of various charged metabolites. This ...
    Real-time Three-dimensional Tracking of Endocytic Vesicles
    Authors:  Stephanie Duhamel and Kossay Zaoui, date: 10/20/2020, view: 40, Q&A: 0
    [Abstract] Endocytic trafficking and recycling are fundamental cellular processes that control essential functions such as signaling protein complexes transport and membrane identity. The small GTPase Rabs are indispensable component of the endosomal recycling machinery. The Rabs bind to effectors to mediate their functions, such as protein sorting and ...
    Quantification of Salivary Charged Metabolites Using Capillary Electrophoresis Time-of-flight-mass Spectrometry
    Authors:  Masahiro Sugimoto, Sana Ota, Miku Kaneko, Ayame Enomoto and Tomoyoshi Soga, date: 10/20/2020, view: 26, Q&A: 0
    [Abstract] Salivary metabolomics have provided the potentials to detect both oral and systemic diseases. Capillary electrophoresis time-of-flight-mass spectrometry (CE-TOFMS) enables the identification and quantification of various charged metabolites. This method has been employed to biomarker discoveries using human saliva samples, especially for various ...
    A Novel and Robust Single-cell Trapping Method on Digital Microfluidics
    [Abstract] Due to cell heterogeneity, the differences among individual cells are averaged out in bulk analysis methods, especially in the analysis of primary tumor biopsy samples from patients. To deeply understand the cell-to-cell variation in a primary tumor, single-cell culture and analysis with limited amount of cells are in high demand. Microfluidics ...
    Measuring Cell Growth and Junction Development in Epithelial Cells Using Electric Cell-Substrate Impedance Sensing (ECIS)
    Authors:  Shaista Anwer and Katalin Szaszi, date: 08/20/2020, view: 1100, Q&A: 0
    [Abstract] Electric Cell-substrate Impedance Sensing (ECIS) is an automated method that can be used to quantify processes such as cell attachment, growth, migration and barrier functions (i.e., the properties of tight junctions). The method provides simultaneous information on cell number and tight junction function by detecting electric parameters ...
    SMART (Single Molecule Analysis of Resection Tracks) Technique for Assessing DNA end-Resection in Response to DNA Damage
    [Abstract] DNA double strand breaks (DSBs) are among the most toxic lesions affecting genome integrity. DSBs are mainly repaired through non-homologous end joining (NHEJ) and homologous recombination (HR). A crucial step of the HR process is the generation, through DNA end-resection, of a long 3′ single-strand DNA stretch, necessary to prime DNA synthesis ...
    A CRISPR Competition Assay to Identify Cancer Genetic Dependencies
    Authors:  Vishruth Girish and Jason M. Sheltzer, date: 07/20/2020, view: 1410, Q&A: 0
    [Abstract] The CRISPR/Cas9 system is a powerful tool for genome editing, wherein the RNA-guided nuclease Cas9 can be directed to introduce double-stranded breaks (DSBs) at a targeted locus. In mammalian cells, these DSBs are typically repaired through error-prone processes, resulting in insertions or deletions (indels) at the targeted locus. Researchers can ...
    Immunofluorescent Staining of Claudin-2 in Cultured Kidney Tubular Cells
    Authors:  Shaista Anwer and Katalin Szaszi, date: 07/20/2020, view: 559, Q&A: 0
    [Abstract] Members of the claudin family of tight junction proteins regulate paracellular permeability and modulate cell signaling. During junction remodeling, these proteins are selectively inserted into or retrieved from the tight junctions, but the control and coordination of these processes remain incompletely understood. Visualization of claudins allows ...
    Tyramide Signal-Amplified Immunofluorescence of MYCN and MYC in Human Tissue Specimens and Cell Line Cultures
    Authors:  Johanna M. Schafer and Jennifer A. Pietenpol, date: 07/05/2020, view: 783, Q&A: 0
    [Abstract] MYC family members, MYC, MYCN, and MYCL, are oncogenic transcription factors that regulate the expression of genes involved in normal development, cell growth, proliferation, metabolism, and survival. While MYC is amplified and/or overexpressed across a variety of tissue types, MYCN is often overexpressed in tumors of the nervous system ...
    Generation and Testing of Fluorescent Adaptable Simple Theranostic (FAST) Proteins
    [Abstract] This protocol provides a step-by-step method to create recombinant fluorescent fusion proteins that can be secreted from mammalian cell lines. This builds on many other recombinant protein and fluorescent protein techniques, but is among the first to harness fluorescent fusion proteins secreted directly into cell culture supernatant. This opens ...



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