Genetic manipulation and targeted protein degradation in mammalian systems: practical considerations, tips and tricks for discovery research

Gaining a mechanistic understanding of the molecular pathways underpinning cellular and organismal physiology invariably relies on the perturbation of an experimental system to infer causality. This can be achieved either by genetic manipulation or by pharmacological treatment. Generally, the former...

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Main Authors: Stefano L. Giandomenico, Erin M. Schuman
Format: Article
Language:English
Published: Wiley 2023-07-01
Series:FEBS Open Bio
Subjects:
Online Access:https://doi.org/10.1002/2211-5463.13581
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author Stefano L. Giandomenico
Erin M. Schuman
author_facet Stefano L. Giandomenico
Erin M. Schuman
author_sort Stefano L. Giandomenico
collection DOAJ
description Gaining a mechanistic understanding of the molecular pathways underpinning cellular and organismal physiology invariably relies on the perturbation of an experimental system to infer causality. This can be achieved either by genetic manipulation or by pharmacological treatment. Generally, the former approach is applicable to a wider range of targets, is more precise, and can address more nuanced functional aspects. Despite such apparent advantages, genetic manipulation (i.e., knock‐down, knock‐out, mutation, and tagging) in mammalian systems can be challenging due to problems with delivery, low rates of homologous recombination, and epigenetic silencing. The advent of CRISPR‐Cas9 in combination with the development of robust differentiation protocols that can efficiently generate a variety of different cell types in vitro has accelerated our ability to probe gene function in a more physiological setting. Often, the main obstacle in this path of enquiry is to achieve the desired genetic modification. In this short review, we will focus on gene perturbation in mammalian cells and how editing and differentiation of pluripotent stem cells can complement more traditional approaches. Additionally, we introduce novel targeted protein degradation approaches as an alternative to DNA/RNA‐based manipulation. Our aim is to present a broad overview of recent approaches and in vitro systems to study mammalian cell biology. Due to space limitations, we limit ourselves to providing the inexperienced reader with a conceptual framework on how to use these tools, and for more in‐depth information, we will provide specific references throughout.
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spelling doaj.art-edee7048f439482d907aa88e5e58f6452023-07-03T07:24:35ZengWileyFEBS Open Bio2211-54632023-07-011371164117610.1002/2211-5463.13581Genetic manipulation and targeted protein degradation in mammalian systems: practical considerations, tips and tricks for discovery researchStefano L. Giandomenico0Erin M. Schuman1Max Planck Institute for Brain Research Frankfurt am Main GermanyMax Planck Institute for Brain Research Frankfurt am Main GermanyGaining a mechanistic understanding of the molecular pathways underpinning cellular and organismal physiology invariably relies on the perturbation of an experimental system to infer causality. This can be achieved either by genetic manipulation or by pharmacological treatment. Generally, the former approach is applicable to a wider range of targets, is more precise, and can address more nuanced functional aspects. Despite such apparent advantages, genetic manipulation (i.e., knock‐down, knock‐out, mutation, and tagging) in mammalian systems can be challenging due to problems with delivery, low rates of homologous recombination, and epigenetic silencing. The advent of CRISPR‐Cas9 in combination with the development of robust differentiation protocols that can efficiently generate a variety of different cell types in vitro has accelerated our ability to probe gene function in a more physiological setting. Often, the main obstacle in this path of enquiry is to achieve the desired genetic modification. In this short review, we will focus on gene perturbation in mammalian cells and how editing and differentiation of pluripotent stem cells can complement more traditional approaches. Additionally, we introduce novel targeted protein degradation approaches as an alternative to DNA/RNA‐based manipulation. Our aim is to present a broad overview of recent approaches and in vitro systems to study mammalian cell biology. Due to space limitations, we limit ourselves to providing the inexperienced reader with a conceptual framework on how to use these tools, and for more in‐depth information, we will provide specific references throughout.https://doi.org/10.1002/2211-5463.13581CRISPRdeliverydifferentiationneuroscienceTPD
spellingShingle Stefano L. Giandomenico
Erin M. Schuman
Genetic manipulation and targeted protein degradation in mammalian systems: practical considerations, tips and tricks for discovery research
FEBS Open Bio
CRISPR
delivery
differentiation
neuroscience
TPD
title Genetic manipulation and targeted protein degradation in mammalian systems: practical considerations, tips and tricks for discovery research
title_full Genetic manipulation and targeted protein degradation in mammalian systems: practical considerations, tips and tricks for discovery research
title_fullStr Genetic manipulation and targeted protein degradation in mammalian systems: practical considerations, tips and tricks for discovery research
title_full_unstemmed Genetic manipulation and targeted protein degradation in mammalian systems: practical considerations, tips and tricks for discovery research
title_short Genetic manipulation and targeted protein degradation in mammalian systems: practical considerations, tips and tricks for discovery research
title_sort genetic manipulation and targeted protein degradation in mammalian systems practical considerations tips and tricks for discovery research
topic CRISPR
delivery
differentiation
neuroscience
TPD
url https://doi.org/10.1002/2211-5463.13581
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