Search

Cell Biology

Categories

    Protocols in Current Issue
    Investigating the Shape of the Shoot Apical Meristem in Bamboo Using a Superellipse Equation
    Authors:  Qiang Wei and Peijian Shi, date: 12/05/2017, view: 78, Q&A: 0
    The shoot apical meristem is the origin of bamboo wood. Its structure and morphology are important for maintaining the normal development of bamboo wood. However, the traditional method to describe the morphology of the shoot apical meristem in ...
    Lentiviral Knockdown of Transcription Factor STAT1 in Peromyscus leucopus to Assess Its Role in the Restriction of Tick-borne Flaviviruses
    Authors:  Adaeze O. Izuogu and R. Travis Taylor, date: 12/05/2017, view: 86, Q&A: 0
    Cellular infection with tick-borne flaviviruses (TBFVs) results in activation of the interferon (IFN) signaling pathway and subsequent upregulation of numerous genes termed IFN stimulated genes (ISGs) (Schoggins et al., 2011). Many ISGs ...
    In vivo Leukemogenesis Model Using Retrovirus Transduction
    Authors:  Hiroshi Okuda and Akihiko Yokoyama, date: 12/05/2017, view: 80, Q&A: 0
    Various genetic alterations such as chromosomal translocation cause leukemia. For examples, gene rearrangements of the mixed-lineage leukemia (MLL) gene generate MLL fusion genes, whose products are potent oncogenic drivers in ...
    Myeloid Progenitor Transformation Assay
    Authors:  Hiroshi Okuda and Akihiko Yokoyama, date: 12/05/2017, view: 91, Q&A: 0
    Numerous oncogenes have been identified to cause leukemia. For example, chromosomal translocation generates various fusion genes of the mixed-lineage leukemia (MLL) gene and a partner gene in leukemia, whose gene products transform primary ...
    Measuring the Endocytic Recycling of Amyloid Precursor Protein (APP) in Neuro2a Cells
    Authors:  Florent Ubelmann, Tatiana Burrinha and Claudia Guimas Almeida, date: 12/05/2017, view: 69, Q&A: 0
    The established primary trigger of Alzheimer’s disease’s is β-amyloid (Aβ) (Mucke and Selkoe, 2012). Amyloid precursor protein (APP) endocytosis is required for Aβ generation at early endosomes (Rajendran and Annaert, 2012). APP retention at ...
    A Novel Protocol to Quantitatively Measure the Endocytic Trafficking of Amyloid Precursor Protein (APP) in Polarized Primary Neurons with Sub-cellular Resolution
    Authors:  Florent Ubelmann, Tatiana Burrinha and Cláudia Guimas Almeida, date: 12/05/2017, view: 71, Q&A: 0
    Alzheimer’s disease’s established primary trigger is β-amyloid (Aβ) (Mucke and Selkoe, 2012). The amyloid precursor protein (APP) endocytosis is required for Aβ generation at early endosomes (Rajendran and Annaert, 2012). APP retention at endosomes ...
    Notch Ligand Binding Assay Using Flow Cytometry
    Authors:  Shweta Varshney and Pamela Stanley, date: 12/05/2017, view: 95, Q&A: 0
    Notch signaling is an evolutionarily conserved signaling pathway that plays an indispensable role during development, and in the maintenance of homeostatic processes, in a wide variety of tissues (Kopan, 2012; Hori et al., 2013). The ...
    zPACT: Tissue Clearing and Immunohistochemistry on Juvenile Zebrafish Brain
    In studies of brain function, it is essential to understand the underlying neuro-architecture. Very young zebrafish larvae are widely used for neuroarchitecture studies, due to their size and natural transparency. However, this model system has ...
    GC/MS-based Analysis of Volatile Metabolic Profile Along in vitro Differentiation of Human Induced Pluripotent Stem Cells
    Human induced pluripotent stem cells (hiPSCs) are a promising tool in cell-based therapies for degenerative diseases. A safe application of hiPSCs in vivo, requires the detection of the presence of residual undifferentiated pluripotent ...
    Mandibular Explant Assay for Investigating Extrinsic Stimuli on Bone and Cartilage Development
    Authors:  Jamie Jiang, Jessica W. Bertol and Walid D. Fakhouri, date: 12/05/2017, view: 114, Q&A: 0
    A major issue in developmental biology is to determine how embryonic tissues respond to molecular signals in a timely manner and given the position-restricted instructions during morphogenesis, of which Meckel’s cartilage is a classical example. The ...
    Automatic Leaf Epidermis Assessment Using Fourier Descriptors in Texture Images
    The identification of plant species is not a trivial task, since it is carried out by experts and depends on the presence of fruits, flowers and leaves. However, fruits and flowers are not available throughout the year, while leaves are accessible ...
    Using Light and Electron Microscopy to Estimate Structural Variation in Thylakoid Membranes
    Authors:  Hatsumi Nozue and Kiyokazu Kametani, date: 12/05/2017, view: 69, Q&A: 0
    The shapes of chloroplasts and the architectures of internal thylakoid membranes are altered by growth and environmental changes (Lichtenthaler et al., 1981; Kutik, 1985; Terashima and Hikosaka, 1995). These morphological alterations ...
    Quantification of Bacterial Polyhydroxybutyrate Content by Flow Cytometry
    Authors:  Antonio Lagares (Jr.) and Claudio Valverde, date: 12/05/2017, view: 86, Q&A: 0
    We describe here a detailed protocol for the quantification of the intracellular content of polyhydroxybutyrate (PHB) in a population of bacterial cells by flow cytometry, which is based on a consensus of several previously reported works.
    Live Imaging of Axonal Transport in the Motor Neurons of Drosophila Larvae
    Authors:  Tsuyoshi Inoshita, Nobutaka Hattori and Yuzuru Imai, date: 12/05/2017, view: 72, Q&A: 0
    Axonal transport, which is composed of microtubules, motor proteins and a variety of types of cargo, is a prominent feature of neurons. Monitoring these molecular dynamics is important to understand the biological processes of neurons as well as ...
    Investigating the Shape of the Shoot Apical Meristem in Bamboo Using a Superellipse Equation
    Authors:  Qiang Wei and Peijian Shi, date: 12/05/2017, view: 78, Q&A: 0
    [Abstract] The shoot apical meristem is the origin of bamboo wood. Its structure and morphology are important for maintaining the normal development of bamboo wood. However, the traditional method to describe the morphology of the shoot apical meristem in bamboo or other plants only depends on qualitative approaches. Here we present a protocol for precisely ...
    Lentiviral Knockdown of Transcription Factor STAT1 in Peromyscus leucopus to Assess Its Role in the Restriction of Tick-borne Flaviviruses
    Authors:  Adaeze O. Izuogu and R. Travis Taylor, date: 12/05/2017, view: 86, Q&A: 0
    [Abstract] Cellular infection with tick-borne flaviviruses (TBFVs) results in activation of the interferon (IFN) signaling pathway and subsequent upregulation of numerous genes termed IFN stimulated genes (ISGs) (Schoggins et al., 2011). Many ISGs function to prevent virus pathogenesis by acting in a broad or specific manner through protein-protein ...
    In vivo Leukemogenesis Model Using Retrovirus Transduction
    Authors:  Hiroshi Okuda and Akihiko Yokoyama, date: 12/05/2017, view: 80, Q&A: 0
    [Abstract] Various genetic alterations such as chromosomal translocation cause leukemia. For examples, gene rearrangements of the mixed-lineage leukemia (MLL) gene generate MLL fusion genes, whose products are potent oncogenic drivers in acute leukemia. To better understand the mechanism of disease onset, several murine leukemia models ...
    Myeloid Progenitor Transformation Assay
    Authors:  Hiroshi Okuda and Akihiko Yokoyama, date: 12/05/2017, view: 91, Q&A: 0
    [Abstract] Numerous oncogenes have been identified to cause leukemia. For example, chromosomal translocation generates various fusion genes of the mixed-lineage leukemia (MLL) gene and a partner gene in leukemia, whose gene products transform primary myeloid progenitors into an immortalized state. To characterize the transforming ability of leukemic ...
    Measuring the Endocytic Recycling of Amyloid Precursor Protein (APP) in Neuro2a Cells
    Authors:  Florent Ubelmann, Tatiana Burrinha and Claudia Guimas Almeida, date: 12/05/2017, view: 69, Q&A: 0
    [Abstract] The established primary trigger of Alzheimer’s disease’s is β-amyloid (Aβ) (Mucke and Selkoe, 2012). Amyloid precursor protein (APP) endocytosis is required for Aβ generation at early endosomes (Rajendran and Annaert, 2012). APP retention at endosomes also depends on its recycling back to the plasma membrane (Koo et al., 1996; Ubelmann et ...
    A Novel Protocol to Quantitatively Measure the Endocytic Trafficking of Amyloid Precursor Protein (APP) in Polarized Primary Neurons with Sub-cellular Resolution
    Authors:  Florent Ubelmann, Tatiana Burrinha and Cláudia Guimas Almeida, date: 12/05/2017, view: 71, Q&A: 0
    [Abstract] Alzheimer’s disease’s established primary trigger is β-amyloid (Aβ) (Mucke and Selkoe, 2012). The amyloid precursor protein (APP) endocytosis is required for Aβ generation at early endosomes (Rajendran and Annaert, 2012). APP retention at endosomes depends on its sorting for degradation in lysosomes (Haass et al., 1992; Morel et al. ...
    Notch Ligand Binding Assay Using Flow Cytometry
    Authors:  Shweta Varshney and Pamela Stanley, date: 12/05/2017, view: 95, Q&A: 0
    [Abstract] Notch signaling is an evolutionarily conserved signaling pathway that plays an indispensable role during development, and in the maintenance of homeostatic processes, in a wide variety of tissues (Kopan, 2012; Hori et al., 2013). The multifaceted roles of Notch signaling are stringently regulated at different levels. One of the most ...
    zPACT: Tissue Clearing and Immunohistochemistry on Juvenile Zebrafish Brain
    [Abstract] In studies of brain function, it is essential to understand the underlying neuro-architecture. Very young zebrafish larvae are widely used for neuroarchitecture studies, due to their size and natural transparency. However, this model system has several limitations, due to the immaturity, high rates of development and limited behavioral repertoire ...
    GC/MS-based Analysis of Volatile Metabolic Profile Along in vitro Differentiation of Human Induced Pluripotent Stem Cells
    [Abstract] Human induced pluripotent stem cells (hiPSCs) are a promising tool in cell-based therapies for degenerative diseases. A safe application of hiPSCs in vivo, requires the detection of the presence of residual undifferentiated pluripotent cells that can potentially cause the insurgence of teratomas. Several studies point out that metabolic ...
    Mandibular Explant Assay for Investigating Extrinsic Stimuli on Bone and Cartilage Development
    Authors:  Jamie Jiang, Jessica W. Bertol and Walid D. Fakhouri, date: 12/05/2017, view: 114, Q&A: 0
    [Abstract] A major issue in developmental biology is to determine how embryonic tissues respond to molecular signals in a timely manner and given the position-restricted instructions during morphogenesis, of which Meckel’s cartilage is a classical example. The ex-vivo explant model is a practical and convenient system that allows investigation of ...