Cell Biology

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    Protocols in Current Issue
    Quantification of the Surface Expression of G Protein-coupled Receptors Using Intact Live-cell Radioligand Binding Assays
    Authors:  Xin Xu and Guangyu Wu, date: 09/20/2020, view: 100, Q&A: 0
    G protein-coupled receptors (GPCRs) are the most structurally diverse family of signaling proteins and regulate a variety of cell function. For most GPCRs, the cell surface is their functional destination where they are able to respond a wide range ...
    Site-specific Labeling of B Cell Receptor and Soluble Immunoglobulin
    Authors:  Yu Wang, Zhixun Shen, Zhengpeng Wan and Wanli Liu, date: 09/20/2020, view: 107, Q&A: 0
    B lymphocyte activation is regulated by its membrane-bound B cell receptors (BCRs) upon recognizing diverse antigens. It is hypothesized that antigen binding would trigger conformational changes within BCRs, followed by a series of downstream ...
    Surgical Induction of Endometriosis in Female Mice
    Authors:  Alejandra Escudero-Lara, David Cabañero and Rafael Maldonado, date: 09/20/2020, view: 93, Q&A: 0
    Endometriosis is a common gynecological disease characterized by the presence of endometrial tissue outside the uterine cavity. It is frequently associated with pain, infertility and a reduced quality of life, and it lacks adequate treatment. ...
    Production and Bioassay of a Diffusible Factor that Induces Gametophyte-to-Sporophyte Developmental Reprogramming in the Brown Alga Ectocarpus
    The brown alga Ectocarpus has a haploid-diploid life cycle that involves alternation between two multicellular generations, the sporophyte and the gametophyte. Life cycle generation is not determined by ploidy but by a genetic system that ...
    Probe-Seq: Method for RNA Sequencing of Specific Cell Types from Animal Tissue
    Most organs and tissues are composed of many types of cells. To characterize cellular state, various transcription profiling approaches are currently available, including whole-tissue bulk RNA sequencing, single cell RNA sequencing (scRNA-Seq), and ...
    A Method to Efficiently Cryopreserve Mammalian Cells on Paper Platforms
    Authors:  Muhammedin Deliorman, Pavithra Sukumar, Roaa Alnemari and Mohammad A. Qasaimeh, date: 09/20/2020, view: 172, Q&A: 0
    This protocol describes a simple method to cryopreserve mammalian cells within filter papers as an alternative to conventional slow-freezing approach. The method involves treating paper fibers with fibronectin, using low concentrations of the ...
    In vitro Differentiation of Human iPSC-derived Cardiovascular Progenitor Cells (iPSC-CVPCs)
    Authors:  Agnieszka D’Antonio-Chronowska, Matteo D’Antonio and Kelly A. Frazer, date: 09/20/2020, view: 146, Q&A: 0
    Induced pluripotent stem cell derived cardiovascular progenitor cells (iPSC-CVPCs) provide an unprecedented platform for examining the molecular underpinnings of cardiac development and disease etiology, but also have great potential to play pivotal ...
    Evaluation of Viable Cells in Pseudomonas aeruginosa Biofilms by Colony Count and Live/Dead Staining
    Authors:  Magdalena Pezzoni, Ramón Augusto Pizarro and Cristina Susana Costa, date: 09/20/2020, view: 95, Q&A: 0
    Pseudomonas aeruginosa is a human pathogen capable to form robust biofilms. P. aeruginosa biofilms represent a serious problem because of the adverse effects on human health and industry, from sanitary and economic points of view. ...
    Isolation and ex vivo Expansion of Human Limbal Epithelial Progenitor Cells
    Limbal stem cell transplantation has been used successfully to treat patients with limbal stem cell deficiency all over the world. However, long term clinical results often proved less satisfactory due to the low quality of the graft or inadequate ...
    Immunoprecipitation of Acetyl-lysine and Western Blotting of Long-chain acyl-CoA Dehydrogenases and Beta-hydroxyacyl-CoA Dehydrogenase in Palmitic Acid Treated Human Renal Tubular Epithelial Cells
    Authors:  Tingting Lv, Suwei Zhu, Yuan Ma, Hong Feng and Qiang Wan, date: 09/20/2020, view: 95, Q&A: 0
    As one of the main energy metabolism organs, kidney has been proved to have high energy requirements and are more inclined to fatty acid metabolism as the main energy source. Long-chain acyl-CoA dehydrogenases (LCAD) and beta-hydroxyacyl-CoA ...
    Determination of Intracellular Ca2+ Concentration in the Human Pathogens Trypanosomatids Leishmania mexicana and Trypanosoma cruzi by the Use of the Fluorescent Ca2+ Indicator Fura-2
    Authors:  Andre Rey-Cibati, Mariana Valladares-Delgado and Gustavo Benaim, date: 09/20/2020, view: 78, Q&A: 0
    Ca2+ is an essential signaling messenger in all eukariotic cells, playing a pivotal role in many cellular functions as cell growth control (differentiation, fertilization and apoptosis), secretion, gene expression, enzyme regulation, ...
    Quantification of the Surface Expression of G Protein-coupled Receptors Using Intact Live-cell Radioligand Binding Assays
    Authors:  Xin Xu and Guangyu Wu, date: 09/20/2020, view: 100, Q&A: 0
    [Abstract] G protein-coupled receptors (GPCRs) are the most structurally diverse family of signaling proteins and regulate a variety of cell function. For most GPCRs, the cell surface is their functional destination where they are able to respond a wide range of extracellular stimuli, leading to the activation of intracellular signal transduction cascades. ...
    Site-specific Labeling of B Cell Receptor and Soluble Immunoglobulin
    Authors:  Yu Wang, Zhixun Shen, Zhengpeng Wan and Wanli Liu, date: 09/20/2020, view: 107, Q&A: 0
    [Abstract] B lymphocyte activation is regulated by its membrane-bound B cell receptors (BCRs) upon recognizing diverse antigens. It is hypothesized that antigen binding would trigger conformational changes within BCRs, followed by a series of downstream signaling activation. To measure the BCR conformational changes in live cells, a fluorescent site-specific ...
    Surgical Induction of Endometriosis in Female Mice
    Authors:  Alejandra Escudero-Lara, David Cabañero and Rafael Maldonado, date: 09/20/2020, view: 93, Q&A: 0
    [Abstract] Endometriosis is a common gynecological disease characterized by the presence of endometrial tissue outside the uterine cavity. It is frequently associated with pain, infertility and a reduced quality of life, and it lacks adequate treatment. Several rodent models of endometriosis have been developed through heterologous and homologous ...
    Production and Bioassay of a Diffusible Factor that Induces Gametophyte-to-Sporophyte Developmental Reprogramming in the Brown Alga Ectocarpus
    [Abstract] The brown alga Ectocarpus has a haploid-diploid life cycle that involves alternation between two multicellular generations, the sporophyte and the gametophyte. Life cycle generation is not determined by ploidy but by a genetic system that includes two different three amino acid loop extension homeodomain transcription factors called ...
    Probe-Seq: Method for RNA Sequencing of Specific Cell Types from Animal Tissue
    [Abstract] Most organs and tissues are composed of many types of cells. To characterize cellular state, various transcription profiling approaches are currently available, including whole-tissue bulk RNA sequencing, single cell RNA sequencing (scRNA-Seq), and cell type-specific RNA sequencing. What is missing in this repertoire is a simple, versatile method ...
    A Method to Efficiently Cryopreserve Mammalian Cells on Paper Platforms
    Authors:  Muhammedin Deliorman, Pavithra Sukumar, Roaa Alnemari and Mohammad A. Qasaimeh, date: 09/20/2020, view: 172, Q&A: 0
    [Abstract] This protocol describes a simple method to cryopreserve mammalian cells within filter papers as an alternative to conventional slow-freezing approach. The method involves treating paper fibers with fibronectin, using low concentrations of the cryoprotectant dimethyl sulfoxide (DMSO), and slow freezing cells to -80 °C at a 1 °C min-1 ...
    In vitro Differentiation of Human iPSC-derived Cardiovascular Progenitor Cells (iPSC-CVPCs)
    Authors:  Agnieszka D’Antonio-Chronowska, Matteo D’Antonio and Kelly A. Frazer, date: 09/20/2020, view: 146, Q&A: 0
    [Abstract] Induced pluripotent stem cell derived cardiovascular progenitor cells (iPSC-CVPCs) provide an unprecedented platform for examining the molecular underpinnings of cardiac development and disease etiology, but also have great potential to play pivotal roles in the future of regenerative medicine and pharmacogenomic studies. Biobanks like iPSCORE ( ...
    Evaluation of Viable Cells in Pseudomonas aeruginosa Biofilms by Colony Count and Live/Dead Staining
    Authors:  Magdalena Pezzoni, Ramón Augusto Pizarro and Cristina Susana Costa, date: 09/20/2020, view: 95, Q&A: 0
    [Abstract] Pseudomonas aeruginosa is a human pathogen capable to form robust biofilms. P. aeruginosa biofilms represent a serious problem because of the adverse effects on human health and industry, from sanitary and economic points of view. Typical strategies to break down biofilms have been long used, such as the use of disinfectants or ...
    Isolation and ex vivo Expansion of Human Limbal Epithelial Progenitor Cells
    [Abstract] Limbal stem cell transplantation has been used successfully to treat patients with limbal stem cell deficiency all over the world. However, long term clinical results often proved less satisfactory due to the low quality of the graft or inadequate properties of transplanted cells. To enhance the ex vivo expansion of human limbal ...
    Immunoprecipitation of Acetyl-lysine and Western Blotting of Long-chain acyl-CoA Dehydrogenases and Beta-hydroxyacyl-CoA Dehydrogenase in Palmitic Acid Treated Human Renal Tubular Epithelial Cells
    Authors:  Tingting Lv, Suwei Zhu, Yuan Ma, Hong Feng and Qiang Wan, date: 09/20/2020, view: 95, Q&A: 0
    [Abstract] As one of the main energy metabolism organs, kidney has been proved to have high energy requirements and are more inclined to fatty acid metabolism as the main energy source. Long-chain acyl-CoA dehydrogenases (LCAD) and beta-hydroxyacyl-CoA dehydrogenase (beta-HAD), key enzymes involved in fatty acid oxidation, has been identified as the ...



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