peptide assisted genome editing robust and nearly complete genome editing - peptide-serum-copper Peptide-assisted lipofection enables efficient non-viral delivery Peptide-Assisted Genome Editing: Revolutionizing Cellular Engineering

peptide-asylum Peptide-assisted genome editing represents a significant advancement in the field of genetic manipulation, offering a more efficient and less toxic method for precise alterations within cellular DNA.作者：Z Zhang·2024·被引用次数：103—Here we describe anengineered Peptide-Assisted Genome Editing (PAGE) CRISPR–Cas systemfor rapid and robust editing of primary cells with minimal toxicity. This innovative approach, often referred to by acronyms like PAGE (Peptide-Assisted Genome Editing), leverages the unique properties of peptides to facilitate the delivery of gene-editing machinery, such as CRISPR-Cas systems, into cellsEfficient engineering of human and mouse primary cells .... The primary goal is to overcome the limitations of traditional delivery methods, which can be inefficient, toxic, or cumbersome, particularly in challenging cell types like primary cells. By employing engineered peptides, researchers are achieving rapid and robust genome editing with minimal adverse effects, paving the way for new therapeutic strategies and deeper biological understanding.

The Mechanics of Peptide-Assisted Genome Editing

At its core, peptide-assisted genome editing combines the power of gene-editing tools with specialized peptide sequences. These peptides are not merely passive carriers; they are often designed to actively aid in the process. Many successful strategies utilize peptides derived from viruses, mimicking their natural ability to penetrate cell membranes and deliver genetic material.Peptide-assisted lipofection enables efficient non-viral ... These cell-penetrating peptides (CPPs) can efficiently escort CRISPR-Cas components, such as Cas9 proteins or ribonucleoprotein complexes, into the cell's nucleus宾大团队开发新型基因编辑工具，可在原代细胞中实现近100 ....

Unlike methods that rely on viral vectors or complex transfection reagents, peptide-assisted approaches can offer a more modular and straightforward system.Efficient engineering of human and mouse primary cells ... This simplicity translates to faster experimental workflows and potentially lower production costs作者：O Gustafsson·2025·被引用次数：3—Using base editors,robust and nearly complete genome editingwas achieved in the human cells: HEK293T (96%), iPSCs (74%), and muscle stem cells .... The "peptide-assisted" aspect refers to the peptide's role in enhancing the entry and functionality of the genome editing components, thereby improving the overall efficiency and success rate of the editing process.

Advantages Over Traditional Methods

Traditional methods for delivering gene-editing tools into cells, especially primary cells, often present significant challenges.2026年1月19日—TECHNO: A two-step genome editing strategythat enables efficient replacement of entire mouse loci with full-length human genes to generate gene ... Electroporation, for instance, is a common technique but can be cytotoxic, meaning it can damage or kill the cells it aims to modify. Other chemical transfection methods may have limited efficiency, particularly for certain cell types, or can also induce toxicityPeptide-enabled ribonucleoprotein delivery for CRISPR engineering (PERC) is a new approach forex vivo genome editing of primary human cells. PERC uses a single .... Viral vectors, while effective, can raise safety concerns related to immunogenicity and insertional mutagenesis.

Peptide-assisted genome editing aims to circumvent these issuesEfficient engineering of human and mouse primary cells .... The engineered peptides can facilitate non-viral delivery, reducing the risk of immune responsesAn Overview of Gene Editing Techniques | Cytosurge AG. Furthermore, the precise design of these peptides allows for targeted delivery and enhanced cellular uptake, leading to higher editing efficiencies with significantly reduced toxicity. This is particularly crucial when working with primary cells, which are often more sensitive and difficult to manipulate than established cell lines宾大团队开发新型基因编辑工具，可在原代细胞中实现近100 .... The ability to achieve "robust and nearly complete genome editing" in various cell types, including human cells and iPSCs, highlights the broad applicability and effectiveness of this approach.2023年8月25日—基于上述设想，他和团队设计了一套多肽辅助的纯蛋白基因组编辑（Peptide-Assisted Genome Editing，PAGE）的CRISPR-Cas 系统（以下简称为CRISPR-PAGE 系统），在 ...

Applications and Future Directions

The development of peptide-assisted genome editing opens up a wide array of applications in both basic research and potential clinical settings. In research, it allows for more precise and efficient genetic studies of cell function, disease modeling, and the development of novel cellular therapies.Methods and Mechanisms for Genetic Manipulation of Plants, Animals ... The ability to rapidly engineer primary cells with minimal toxicity is a game-changer for studying cell-specific gene functions and for developing personalized medicine approaches.

Looking ahead, the field is exploring various peptide designs and delivery strategies. This includes optimizing peptide sequences for specific cell types, developing peptide nanoparticles for enhanced delivery, and integrating these methods with advanced gene-editing techniques like prime editing, which allows for even more precise modifications than standard CRISPR-Cas9. The continuous innovation in peptide-assisted genome editing promises to further refine efficiency, reduce toxicity, and expand the scope of genomic engineering, bringing us closer to unlocking the full potential of gene editing for human health and scientific discovery.Expression and purification of cell-penetrating Cas9 ... - PubMed