Cancer Biology

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    Protocols in Current Issue
    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: 427, 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 ...
    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: 386, 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 ...
    Cluster Analysis of Endogenous HER2 and HER3 Receptors in SKBR3 Cells
    [Abstract] The Human Epidermal Growth Factor Receptor (HER) family of receptor tyrosine kinases consists of four, single pass, transmembrane receptor homologs (HER1-4) that act to regulate many critical processes in normal and tumor cells. HER2 is overexpressed in many tumors, and the deregulated proliferation of cancerous cells is driven by cooperation with ...
    In vitro NLK Kinase Assay
    Authors:  Sungho Moon, Jiyoung Kim and Eek‐hoon Jho, date: 11/05/2017, view: 3714, Q&A: 0
    [Abstract] This protocol provides step by step instructions to perform an in vitro kinase assay for nemo-like kinase. In addition, this protocol also describes an efficient method using mild lysis buffer for expression and purification of Glutathione S-transferase (GST) fusion proteins.
    High Fat Diet-induced Breast Cancer Model in Rat
    Authors:  Meng Ju Wu and Chun Ju Chang, date: 07/05/2016, view: 4439, Q&A: 0
    [Abstract] Obesity has been linked to breast cancer progression but the underlying mechanisms remain obscure. Being overweight or obese for a woman at the time she is diagnosed with breast cancer is linked to a high risk of recurrence regardless of treatment factors. In rodents, high body weight is also associated with increased incidence of spontaneous and ...
    Capturing the Driving Role of Tumor-host Crosstalk in a Dynamical Model of Tumor Growth
    Authors:  Sebastien Benzekry, Afshin Beheshti, Philip Hahnfeldt and Lynn Hlatky, date: 11/05/2015, view: 5036, Q&A: 0
    [Abstract] In 1999, Hahnfeldt et al. proposed a mathematical model for tumor growth as dictated by reciprocal communications between tumor and its associated vasculature, introducing the idea that a tumor is supported by a dynamic, rather than a static, carrying capacity. In this original paper, the carrying capacity was equated with the variable ...
    Detection of ALT Associated Promyelocytic Leukemia Nuclear Bodies (APBs) by Immunofluorescence-FISH (IF-FISH)
    Authors:  Siamak A. Kamranvar and Maria G. Masucci, date: 12/05/2014, view: 8300, Q&A: 0
    [Abstract] The activation of functions that counteract the physiological shortening of telomeres in rapidly proliferating cell is prerequisite for the progression of cancer cells to full malignancy (Collado et al., 2007). In most human cancers, the length of telomere is maintained through up-regulation of telomerase whereas a telomerase-independent ...
    In vivo Lineage-tracing Studies in a Cancer Stem Cell Population in Neuroblastoma
    Authors:  Danielle M. Hsu, Jason M. Shohet and Eugene S. Kim, date: 04/20/2014, view: 6225, Q&A: 0
    [Abstract] Tumors are comprised of heterogeneous subpopulations that may exhibit differing capacity for differentiation, self-renewal, and tumorigenicity. In vivo lineage-tracing studies are a powerful tool for defining the role of tumor subpopulations in tumor growth and as targets for therapeutic agents. This protocol describes using a ...
    Xenograft Tumor Growth Assay
    Authors:  Li-Ting Wang and Shih-Hsien Hsu, date: 10/20/2013, view: 8432, Q&A: 0
    [Abstract] Chronic inflammation drives initiation of hepatocellular carcinoma (HCC), but the underlying mechanisms linking inflammation and tumor formation remain obscure. In this study, Xenograft tumor assay was used to determine the tumorigenic activity of hepatoma cells with ISX over expression on nude mice in vivo.
    In vitro Tumorsphere Formation Assays
    Authors:  Sara Johnson, Hexin Chen and Pang-Kuo Lo, date: 02/05/2013, view: 40051, Q&A: 3
    [Abstract] A tumorsphere is a solid, spherical formation developed from the proliferation of one cancer stem/progenitor cell. These tumorspheres (Figure 1a) are easily distinguishable from single or aggregated cells (Figure 1b) as the cells appear to become fused together and individual cells cannot be identified. Cells are grown in serum-free, non-adherent ...



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