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Related Concept Videos

CRISPR01:59

CRISPR

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Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
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CRISPR/Cas9 Genome Editing01:28

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The CRISPR-Cas system serves as a bacterial defense mechanism against invading genetic elements such as viruses and plasmids, forming the foundation for its adaptation as a powerful genome-editing tool. Originally discovered in prokaryotes, this system has been repurposed to revolutionize genetic engineering across a wide range of organisms, including plants, animals, and humans. The core component, Cas9, is an endonuclease derived from Streptococcus pyogenes, capable of introducing...
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In-vitro Mutagenesis01:16

In-vitro Mutagenesis

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To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.
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Homologous Recombination02:31

Homologous Recombination

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The basic reaction of homologous recombination (HR) involves two chromatids that contain DNA sequences sharing a significant stretch of identity. One of these sequences uses a strand from another as a template to synthesize DNA in an enzyme-catalyzed reaction. The final product is a novel amalgamation of the two substrates. To ensure an accurate recombination of sequences, HR is restricted to the S and G2 phases of the cell cycle. At these stages, the DNA has been replicated already and the...
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Updated: Jan 2, 2026

Genome Editing and Directed Differentiation of hPSCs for Interrogating Lineage Determinants in Human Pancreatic Development
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Genome Editing and Directed Differentiation of hPSCs for Interrogating Lineage Determinants in Human Pancreatic Development

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Human germline genome editing.

Rebecca A Lea1, Kathy K Niakan2

  • 1Human Embryo and Stem Cell Laboratory, The Francis Crick Institute, London, UK.

Nature Cell Biology
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This summary is machine-generated.

CRISPR-Cas9 gene editing now allows for human embryo research, offering insights into early development and potential germline modification. This technology raises significant ethical questions and has future clinical implications.

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CRISPR/Cas9-mediated Targeted Integration In Vivo Using a Homology-mediated End Joining-based Strategy
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Area of Science:

  • Molecular Biology
  • Developmental Biology
  • Bioethics

Background:

  • CRISPR-Cas9 technology offers efficient and user-friendly genome editing capabilities.
  • Human embryo research presents opportunities to study early development and cell fate.
  • The potential for human germline modification exists with current gene-editing tools.

Purpose of the Study:

  • To discuss advances in human genome editing technologies.
  • To explore the potential of CRISPR-Cas9 in studying early human development.
  • To consider the ethical questions and clinical implications of human genome editing.

Main Methods:

  • Review of CRISPR-Cas9 technology and its applications in human embryos.
  • Discussion of research methodologies for studying pre-implantation development.
  • Analysis of ethical frameworks and potential clinical applications.

Main Results:

  • CRISPR-Cas9 enables unprecedented study of gene function and cell fate in human embryos.
  • Basic research using CRISPR-Cas9 can address unresolved questions in pre-implantation development.
  • The technology holds potential for germline modification, necessitating careful consideration.

Conclusions:

  • Human genome editing, particularly with CRISPR-Cas9, offers significant research opportunities.
  • Ethical considerations and potential clinical implications must be thoroughly addressed.
  • Further research is needed to navigate the responsible use of this powerful technology.