Cancer Biology

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    Protocols in Current Issue
    The Chick Chorioallantoic Membrane (CAM) Assay as a Three-dimensional Model to Study Autophagy in Cancer Cells
    The chick chorioallantoic membrane (CAM) is an extra-embryonic organ and thus well accessible for seeding and harvesting 3D cell cultures. Samples from CAM assays are suitable for protein and gene expression analysis as well as for ...
    The Chick Chorioallantoic Membrane (CAM) Assay as a Three-dimensional Model to Study Autophagy in Cancer Cells
    [Abstract] The chick chorioallantoic membrane (CAM) is an extra-embryonic organ and thus well accessible for seeding and harvesting 3D cell cultures. Samples from CAM assays are suitable for protein and gene expression analysis as well as for immuno-histochemical studies. Here we present the CAM assay as a possible model to study autophagy in different types ...
    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: 971, 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 ...
    Fluorescence HPLC Analysis of the in-vivo Activity of Glucosylceramide Synthase
    Authors:  Kartik R. Roy, Sachin K. Khiste, Zhijun Liu and Yong-Yu Liu, date: 06/20/2019, view: 878, Q&A: 0
    [Abstract] Almost all functions of cells or organs rely on the activities of cellular enzymes. Indeed, the in-vivo activities that directly represent the cellular effects of enzymes in live organs are critical importance to appreciate the roles enzymes play in modulating physiological or pathological processes, although assessments of such in-vivo ...
    Visualization of Macropinocytosis in Prostate Fibroblasts
    Authors:  Rajeev Mishra and Neil A. Bhowmick, date: 05/20/2019, view: 1320, Q&A: 0
    [Abstract] Macropinocytosis has emerged as an important mechanism for non-selective route to internalize extracellular fluids and dissolved molecules in eukaryotic cell. As fundamental cellular behavior, macropinocytosis plays specific and distinct roles in many physiological and pathological processes, such as nutrients uptake, antigen presentation, ...
    3D Co-culture System of Mouse Prostatic Wild-type Fibroblasts with Human Prostate Cancer Epithelial Cells
    Authors:  Veronica R. Placencio-Hickok, Manabu Kato and Neil A. Bhowmick, date: 05/05/2019, view: 688, Q&A: 0
    [Abstract] Heterogeneous prostatic carcinoma-associated fibroblasts (CAF) contribute to tumor progression. This was established using transgenic mouse models. Paracrine interactions between fibroblasts and epithelial cells were further interrogated using isolated 2D cell culture systems, but 3D culture systems currently being developed can better mimic ...
    Measuring Protein Synthesis during Cell Cycle by Azidohomoalanine (AHA) Labeling and Flow Cytometric Analysis
    Authors:  Koshi Imami and Tomoharu Yasuda, date: 04/20/2019, view: 840, Q&A: 0
    [Abstract] Protein synthesis is one of the most fundamental biological processes to maintain cellular proteostasis. Azidohomoalaine (AHA) is a non-radioactive and “clickable” amino acid analog of methionine which can be incorporated into newly synthesized proteins. Thus, AHA-labeled nascent proteins can be detected and quantified through fluorescent labeling ...
    Evaluation of Mucosal and Systemic Vaccine Responses by Cyclic di-GMP (CDG)-adjuvanted Protein Subunit Vaccines
    Authors:  Samira Mansouri and Lei Jin, date: 04/20/2019, view: 486, Q&A: 0
    [Abstract] Intranasal administration of vaccine adjuvants directly deliver therapeutic agents to the lungs to induce potent lung mucosal immune responses. Cyclic di-GMP (CDG) is a promising mucosal vaccine adjuvant candidate capable of inducing protective immunity. This protocol describes an in vivo approach to induce and detect mucosal (lung) and ...
    Unbiased Screening of Activated Receptor Tyrosine Kinases (RTKs) in Tumor Extracts Using a Mouse Phospho-RTK Array Kit
    Authors:  Julian Naipauer, Lucas E. Cavallin and Enrique A. Mesri, date: 04/20/2019, view: 573, Q&A: 0
    [Abstract] Kaposi’s sarcoma (KS) herpesvirus (KSHV) is a virus that causes KS, an angiogenic AIDS-associated spindle-cell neoplasm, by activating host oncogenic signaling cascades through autocrine and paracrine mechanisms. Many host signaling cascades co-opted by KSHV including PI3K/AKT/mTORC, NFkB and Notch are critical for cell-specific mechanisms of ...
    Calvarial Bone Implantation and in vivo Imaging of Tumor Cells in Mice
    Authors:  Kyoko Hashimoto, Shingo Sato, Hiroki Ochi, Shu Takeda and Mitsuru Futakuchi, date: 02/05/2019, view: 1037, Q&A: 0
    [Abstract] Bone is one of common metastasis sites for many types of cancer. In bone metastatic microenvironment, tumor-bone interactions play a significant role in the regulation of osteolytic or osteoblastic bone metastasis. In order to investigate the direct interaction between tumor cells and bone tissue, it is essential to generate appropriate animal ...
    In situ, Cell-free Protein Expression on Microarrays and Their Use for the Detection of Immune Responses
    [Abstract] Until recently, whole-proteome microarrays for comprehensive studies of protein interactions were mostly produced by individual cloning and cellular expression of very many open reading frames, followed by protein isolation and purification as well as array production. To overcome this cumbersome process, we have developed a method to generate ...



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