Mammalia

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    Protocols in Current Issue
    Platelet Isolation and Activation Assays
    Authors:  Laura C. Burzynski, Nicholas Pugh and Murray C.H. Clarke, date: 10/20/2019, view: 518, Q&A: 0
    [Abstract] Platelets regulate hemostasis and are the key determinants of pathogenic thrombosis following atherosclerotic plaque rupture. Platelets circulate in an inactive state, but become activated in response to damage to the endothelium, which exposes thrombogenic material such as collagen to the blood flow. Activation results in a number of responses, ...
    Ex vivo Analysis of DNA Repair Capacity of Human Peripheral Blood Mononuclear Cells by a Modified Host Cell Reactivation Assay
    Authors:  Katja Matt and Jörg Bergemann, date: 08/05/2019, view: 374, Q&A: 0
    [Abstract] The ability of humans to repair DNA damages decreases with increasing age. In order to be able to repair daily occurring DNA damages, it becomes more and more important to preserve repair capability of cells with aging. The preservation of DNA repair processes contributes to preventing DNA mutations and subsequently the onset of age-related ...
    Capillary Nano-immunoassay for Quantification of Proteins from CD138-purified Myeloma Cells
    Authors:  Irena Misiewicz-Krzeminska, Isabel Isidro and Norma C. Gutiérrez, date: 06/20/2019, view: 1551, Q&A: 0
    [Abstract] Protein analysis in bone marrow samples from patients with multiple myeloma (MM) has been limited by the low concentration of proteins obtained after CD138+ cell selection. A novel approach based on capillary nano-immunoassay could make it possible to quantify dozens of proteins from each CD138+ purified MM sample in an ...
    Straight Channel Microfluidic Chips for the Study of Platelet Adhesion under Flow
    Authors:  Alexander Dupuy, Lining Arnold Ju and Freda H Passam, date: 03/20/2019, view: 2425, Q&A: 0
    [Abstract] Microfluidic devices have become an integral method of cardiovascular research as they enable the study of shear force in biological processes, such as platelet function and thrombus formation. Furthermore, microfluidic chips offer the benefits of ex vivo testing of platelet adhesion using small amounts of blood or purified platelets. ...
    Measurement of Redox States of the β3 Integrin Disulfide Bonds by Mass Spectrometry
    Author:  Joyce Chiu, date: 02/05/2019, view: 1342, Q&A: 0
    [Abstract] Functional disulfide bonds mediate a change in protein function in which they reside when cleaved or formed. To elucidate how a functional disulfide bond controls protein activity, it is critical that the redox state of the bond in the population of protein molecules is known. Measurement of changes in disulfide bond redox state relies on thiol ...
    Platelet Migration and Bacterial Trapping Assay under Flow
    Authors:  Shuxia Fan, Michael Lorenz, Steffen Massberg and Florian Gaertner, date: 09/20/2018, view: 2123, Q&A: 0
    [Abstract] Blood platelets are critical for hemostasis and thrombosis, but also play diverse roles during immune responses. We have recently reported that platelets migrate at sites of infection in vitro and in vivo. Importantly, platelets use their ability to migrate to collect and bundle fibrin (ogen)-bound bacteria accomplishing ...
    High Dimensional Functionomic Analysis of Human Hematopoietic Stem and Progenitor Cells at a Single Cell Level
    Authors:  Thomas Luh, Kimberly Lucero, Wenji Ma, Jaeyop Lee, Yu Jerry Zhou, Yufeng Shen and Kang Liu, date: 05/20/2018, view: 2903, Q&A: 0
    [Abstract] The ability to conduct investigation of cellular transcription, signaling, and function at the single-cell level has opened opportunities to examine heterogeneous populations at unprecedented resolutions. Although methods have been developed to evaluate high-dimensional transcriptomic and proteomic data (relating to cellular mRNA and protein), ...
    Human Endometrial Stem Cell Isolation from Endometrium and Menstrual Blood
    Authors:  Shima Tavakol, Freshteh Azedi, Elham Hoveizi, Jafar Ai and Mohammad Taghi Joghataei, date: 01/20/2018, view: 4287, Q&A: 0
    [Abstract] Human endometrial stem cell/stromal cells (hEnSCs) are isolated from endometrium or menstrual blood and are recognized as a valuable cell type in tissue engineering and cell therapy. Furthermore, hEnSCs, which have CD90 (a mesenchymal marker), CD105 (endoglin), CD44, CD146 (endometrial stem cell markers) and lack CD31 (Endothelial marker), CD34 ...
    Differentiation of Human Induced Pluripotent Stem Cells (iPS Cells) and Embryonic Stem Cells (ES Cells) into Dendritic Cell (DC) Subsets
    Authors:  Stephanie Sontag, Malrun Förster, Kristin Seré and Martin Zenke, date: 08/05/2017, view: 6970, Q&A: 0
    [Abstract] Induced pluripotent stem cells (iPS cells) are engineered stem cells, which exhibit properties very similar to embryonic stem cells (ES cells; Takahashi and Yamanaka, 2016). Both iPS cells and ES cells have an extraordinary self-renewal capacity and can differentiate into all cell types of our body, including hematopoietic stem/progenitor cells ...
    Thermal Stability of Heterotrimeric pMHC Proteins as Determined by Circular Dichroism Spectroscopy
    [Abstract] T cell receptor (TCR) recognition of foreign peptide fragments, presented by peptide major histocompatibility complex (pMHC), governs T-cell mediated protection against pathogens and cancer. Many factors govern T-cell sensitivity, including the affinity of the TCR-pMHC interaction and the stability of pMHC on the surface of antigen presenting ...



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