CRISPR screening to identify new drug targets in regulatory B cells and other immune cells

Supported by:

10 March 2021

Supported by:

10 March 2021

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CRISPR screening is proving to be a robust platform for the identification and validation of new biological targets for disease treatment. It is hoped that CRISPR screens will accelerate drug development by providing more robust targets for validation than siRNA screens, for example.

Much progress has been made in carrying out CRISPR screens in cell lines, but cell lines do not completely resemble physiological cell behaviour. Horizon has recently developed CRISPR screening capabilities in primary immune cells, which should aid in identifying more physiologically relevant targets.

As an example of how CRISPR screens can be used in primary immune cells, this on-demand webinar covers in detail the development of arrayed CRISPR screens in regulatory B cells. These cells are generated by cytokine-mediated differentiation in vitro of primary B cells isolated from healthy donors. Simple endpoints, such as cytokine production and more complex endpoints, such as a T cell suppression assay, can be used to identify new genes that impact the biology of regulatory B cells.

The CRISPR libraries used in this and other arrayed screens we have carried out in primary immune cells make use of Horizon’s off-the shelf Edit-R synthetic crRNA libraries. We covered the use of our recently developed synthetic sgRNA libraries in primary immune cells.

Learning outcomes of this webinar:

  • The development of arrayed CRISPR screens in primary immune cells with a focus on regulatory B cells.
  • How these screens can be used to better understand the biology of regulatory B cells and how these cells impact diseases such as cancer.
  • How CRISPR screens in primary immune cells should aid identification of new gene targets that better represent the physiology of disease in humans.
  • Understand the difference between synthetic crRNA and sgRNA libraries.


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    Nicola McCarthy, Global Translational Science Liaison

    Nicola McCarthyNicola is the Global Translational Science Liaison at Horizon Discovery where she has worked for the past six years. Nicola’s role involves working with scientific and commercial teams at Horizon with a view to understanding better the scientific needs of our customers.  Prior to working at Horizon Discovery, Nicola worked for Nature Publishing Group (now Springer Nature) as an Associate, Senior and Chief Editor for Nature Reviews Cancer. Nicola has 10 years of postdoctoral research experience studying apoptosis (programmed cell death) in the context of cancer research and cardiovascular research and studied human anatomy for her BSc and programmed cell death for her PhD at the University of Birmingham, UK.


    One response to “CRISPR screening to identify new drug targets in regulatory B cells and other immune cells”

    1. good and very informative presentation

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