Cell Biology

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    Protocols in Current Issue
    Tandem Affinity Purification of SBP-CBP-tagged Type Three Secretion System Effectors
    Authors:  Laura Berneking, Marie Schnapp, Theresa Nauth and Moritz Hentschke, date: 06/20/2019, view: 620, Q&A: 0
    [Abstract] Identification of protein-protein interactions of bacterial effectors and cellular targets during infection is at the core to understand how bacteria manipulate the infected host to overcome the immune response. Potential interacting proteins might be identified by genetic methods, i.e., two hybrid screens and could be verified by ...
    Using Arabidopsis Mesophyll Protoplasts to Study Unfolded Protein Response Signaling
    Authors:  Yan Bao and Diane C. Bassham, date: 12/05/2018, view: 1670, Q&A: 0
    [Abstract] Various environmental stresses or artificial reagents can trigger unfolded protein accumulation in the endoplasmic reticulum (ER) due to the folding capacity of the ER being exceeded. This is termed ER stress, and triggers the unfolded protein response (UPR). Assays for activation of the UPR in plants include Tunicamycin (Tm)- or dithiothreitol ...
    Measurement of Dopamine Using Fast Scan Cyclic Voltammetry in Rodent Brain Slices
    Authors:  Madelyn I. Mauterer, Paige M. Estave, Katherine M. Holleran and Sara R. Jones, date: 10/05/2018, view: 2754, Q&A: 0
    [Abstract] Fast scan cyclic voltammetry (FSCV) is an electrochemical technique that allows sub-second detection of oxidizable chemical species, including monoamine neurotransmitters such as dopamine, norepinephrine, and serotonin. This technique has been used to record the physiological dynamics of these neurotransmitters in brain tissue, including their ...
    Cell Synchronization by Double Thymidine Block
    Authors:  Guo Chen and Xingming Deng, date: 09/05/2018, view: 12866, Q&A: 1
    [Abstract] Cell synchronization is widely used in studying mechanisms involves in regulation of cell cycle progression. Through synchronization, cells at distinct cell cycle stage could be obtained. Thymidine is a DNA synthesis inhibitor that can arrest cell at G1/S boundary, prior to DNA replication. Here, we present the protocol to synchronize cells at ...
    An in vitro Co-culture System for the Activation of CD40 by Membrane-presented CD40 Ligand versus Soluble Agonist
    [Abstract] One fundamental property of the TNR receptor (TNFR) family relates to how ‘signal quality’ (the extent of receptor ligation or cross-linking) influences the outcome of receptor ligation, for instance the induction of death in tumour cells. It is unequivocal that membrane-presented ligand (delivered to target cells via cell-surface presentation by ...
    3D Culture Protocol for Testing Gene Knockdown Efficiency and Cell Line Derivation
    Authors:  Jan Strnadel, Sang Myung Woo, Sunkyu Choi, Huawei Wang, Marian Grendar and Ken Fujimura, date: 06/05/2018, view: 3894, Q&A: 0
    [Abstract] Traditional 2D cell cultures with cells grown as monolayers on solid surface still represent the standard method in cancer research for drug testing. Cells grown in 2D cultures, however, lack relevant cell-matrix and cell-cell interactions and ignore the true three-dimensional anatomy of solid tumors. Cells cultured in 2D can also undergo ...
    Electrophysiological Recordings of Evoked End-Plate Potential on Murine Neuro-muscular Synapse Preparations
    Authors:  Giulia Zanetti, Samuele Negro, Aram Megighian and Marco Pirazzini, date: 04/20/2018, view: 3257, Q&A: 0
    [Abstract] Neuromuscular junction (NMJ) is the specialized chemical synapse that mediates the transmission of the electrical impulse running along motor neuron axons to skeletal muscle fibers. NMJ is the best characterized chemical synapse and its study along many years of research has provided most of the general knowledge of synapse development, structure ...
    Quantitative Live-cell Reporter Assay for Noncanonical Wnt Activity
    Authors:  Edith P. Karuna, Michael W. Susman and Hsin-Yi Henry Ho, date: 03/20/2018, view: 3480, Q&A: 0
    [Abstract] Noncanonical Wnt signaling functions independently of the β-catenin pathway to control diverse developmental processes, and dysfunction of the pathway contributes to a number of human pathological conditions, including birth defects and metastatic cancer. Progress in the field, however, has been hampered by the scarcity of functional assays for ...
    Measurement of Intracellular ROS in Caenorhabditis elegans Using 2’,7’-Dichlorodihydrofluorescein Diacetate
    Authors:  Dong Suk Yoon, Myon-Hee Lee and Dong Seok Cha, date: 03/20/2018, view: 5041, Q&A: 1
    [Abstract] Reactive oxygen species (ROS) are generated during normal metabolic processes under aerobic conditions. Since ROS production initiates harmful radical chain reactions on cellular macromolecules, including lipid peroxidation, DNA mutation, and protein denaturation, it has been implicated in a wide spectrum of diseases such as cancer, ...
    Mouse Phrenic Nerve Hemidiaphragm Assay (MPN)
    Authors:  Giulia Zanetti, Samuele Negro, Marco Pirazzini and Paola Caccin, date: 03/05/2018, view: 2922, Q&A: 0
    [Abstract] The neuromuscular junction (NMJ) is the specialized synapse by which peripheral motor neurons innervate muscle fibers and control skeletal muscle contraction. The NMJ is the target of several xenobiotics, including chemicals, plant, animal and bacterial toxins, as well as of autoantibodies raised against NMJ antigens. Depending on their ...



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