Genome Editing
Protocol
Gene Therapy in a Mouse Model of Niemann–Pick Disease Type C1
Niemann–Pick disease type C1 (NPC1) is a fatal congenital neurodegenerative disorder caused by mutations in the NPC1 gene, which is involved in cholesterol transport in lysosomes. Broad clinical manifestations of NPC1 include liver failure, pulmonary disorder, neurological deficits, and psychiatric ... More
Protocol
Adeno-Associated Virus Gene Therapy for Liver Disease
The field of adeno-associated virus (AAV) gene therapy has progressed rapidly over the past decade, with the advent of novel capsid serotype and organ-specific promoters, and an increasing understanding of the immune response to AAV administration. In particular, liver-directed therapy has made rema... More
Protocol
Adeno-Associated Virus-Based Gene Therapy for CNS Diseases
Gene therapy is at the cusp of a revolution for treating a large spectrum of CNS disorders by providing a durable therapeutic protein via a single administration. Adeno-associated virus (AAV)-mediated gene transfer is of particular interest as a therapeutic tool because of its safety profile and eff... More
Protocol
Gene Therapy for X-Linked Severe Combined Immunodeficiency: Where Do We Stand?
More than 20 years ago, X-linked severe combined immunodeficiency (SCID-X1) appeared to be the best condition to test the feasibility of hematopoietic stem cell gene therapy. The seminal SCID-X1 clinical studies, based on first-generation gammaretroviral vectors, demonstrated good long-term immune r... More
Protocol
Gene Therapy of the β-Hemoglobinopathies by Lentiviral Transfer of the βA(T87Q)-Globin Gene
β-globin gene disorders are the most prevalent inherited diseases worldwide and result from abnormal β-globin synthesis or structure. Novel therapeutic approaches are being developed in an effort to move beyond palliative management. Gene therapy, by ex vivo lentiviral transfer of a therapeutic β-gl... More
Protocol
Effective Targeting of Multiple B-Cell Maturation Antigen–Expressing Hematological Malignances by Anti-B-Cell Maturation Antigen Chimeric Antigen Receptor T Cells
B-cell maturation antigen (BCMA) expression has been proposed as a marker for the identification of malignant plasma cells in patients with multiple myeloma (MM). Nearly all MM tumor cells express BCMA, while normal tissue expression is restricted to plasma cells and a subset of mature B cells. Cons... More
Protocol
High-Throughput In Vitro, Ex Vivo, and In Vivo Screen of Adeno-Associated Virus Vectors Based on Physical and Functional Transduction
Adeno-associated virus (AAV) vectors are quickly becoming the vectors of choice for therapeutic gene delivery. To date, hundreds of natural isolates and bioengineered variants have been reported. While factors such as high production titer and low immunoreactivity are important to consider, the abil... More
Protocol
Preclinical Optimization and Safety Studies of a New Lentiviral Gene Therapy for p47phox-Deficient Chronic Granulomatous Disease
Chronic granulomatous disease (CGD) is an inherited blood disorder of phagocytic cells that renders patients susceptible to infections and inflammation. A recent clinical trial of lentiviral gene therapy for the most frequent form of CGD, X-linked, has demonstrated stable correction over time, with ... More
Application
Knock-out cell lines and their use in signaling pathways
Knock-out (KO) cell lines are powerful tools to study disease mechanisms, such as the effect of gene disruption on downstream pathways. In this application note, we highlight the effectiveness of Abcam KO cell lines that can be used to investigate signaling pathways, in this case, the TRAIL pathway.... More
Application
Benchling for Gene Therapy & Gene Editing R&D
Modern gene therapy requires investigation of a wide variety of genes of interest, engineering of delivery vectors, and optimization of vector production processes. This necessitates a strong digital foundation to comprehensively characterize gene therapy candidates to bring the best products into t... More
Protocol
Transfecting Edit-R™ Cas9 mRNA with Synthetic Guide RNA in Cultured Mammalian Cells
This is an abbreviated protocol for transfecting Edit-R™ Cas9 mRNA (Cat #CAS11195, #CAS11859, or #CAS11860) with synthetic guide RNA into cultured mammalian cells using DharmaFECT™ Duo transfection reagent (Cat #T-2010-xx). Synthetic guide RNA can be either synthetic single guide RNA, or synthetic c... More
Protocol
AAV Aggregate Quantitation and Identification with the Aura System
Adeno-associated viruses (AAVs) have made the promise of gene therapy a reality by enabling safe, targeted delivery of curative genetic payloads. The formation of aggregated viral vector is an important critical quality attribute to measure because they lead to adverse immunogenic events and are an ... More
Protocol
IsoCode Single-Cell Adaptive Immune: TCR-T Protocol
A. Overview of ProtocolDay 1: Cryopreserved TCR-T cells are thawed and cultured overnight in the presence of IL-2. Cryopreserved target cell lines are thawed, cultured and passaged several days prior to beginning the experiment.Day 2: Enrichment, Staining, and Antigen Stimulation of CD4+ and/or CD8+... More
Protocol
CRISPRmod dCas9-VPR or dCas9- SALL1-SDS3 mRNA and synthetic guide RNA transfection protocol
The following is a protocol for transfecting CRISPRmod dCas9-VPR or dCas9-SALL1-SDS3 mRNA with synthetic guide RNA into cultured mammalian cells using DharmaFECT™ Duo transfection reagent (Cat #T-2010-xx). The protocol is written for transfection into 96-well tissue culture plates.... More
Protocol
Dharmacon Edit-R Lentiviral sgRNA glycerol stocks
The Dharmacon™ Edit-R™ Lentiviral sgRNA vector is part of the Edit-R CRISPR-Cas9 system for genome engineering. The purpose is to provide the researcher with the most effective tools to deliver a gene-specific sgRNA and, together with Cas9 expression, allow gene editing in cells. In addition to the ... More
Protocol
Enrichment of transfected cells with Dharmacon Edit-R Fluorescent dCas9-VPR mRNA
Edit-R Fluorescent dCas9-VPR mRNA enables both transfection optimization and enrichment for gene modulation experiments. For optimal enrichment of edited cells, sorting the cells for high EGFP expression levels (selecting the top 10% fluorescence) in addition to negative and dim fluorescence for com... More
Protocol
Dharmacon Edit-R crRNA Libraries
Libraries of predesigned synthetic crRNAs provide an opportunity to apply the CRISPR-Cas9 system for functional gene knockout analysis, or dCas9-VPR system for transcriptional gene activation, in an arrayed format. Dharmacon crRNA libraries for functional gene knockout consist of Edit-R synthetic cr... More
Protocol
Massively parallel genome engineering followed by pooled growth selections for rapid target discovery in microbes
The ability to engineer the entire genome of microorganisms at a massively parallel scale using the Onyx platform will reshape the manner in which researchers perform pooled cultivation experiments (such as ALE) and generate data sets. Here, Onyx technology was used to rapidly generate genomewide k... More
Protocol
Multiplexed, trackable CRISPR-based genome engineering for optimization of heterologous protein expression and activity in E. coli
This work demonstrates the use of the Onyx platform for interrogation and optimization of heterologous proteins in E. coli. Compared to traditional methods for protein engineering, such as random mutagenesis or targeted site-directed mutagenesis approaches, the Onyx technology dramatically increases... More
Protocol
Lentiviral titering by crystal violet staining
This protocol provides an example for titering lentiviral particles using crystal violet staining in a 6-well format to obtain transducing units per mL (TU/mL). Once lentiviral particles are packaged and collected, small aliquots should be frozen at –80°C. One aliquot should be thawed on ice and use... More
Application
Knock-out cell lines and their use in signaling pathways
Knock-out (KO) cell lines are powerful tools to study disease mechanisms, such as the effect of gene disruption on downstream pathways. In this application note, we highlight the effectiveness of Abcam KO cell lines that can be used to investigate signaling pathways, in this case, the TRAIL pathway.... More
Application
Rebuilding evolutionary success: Using Inscripta’s Onyx Digital Genome Engineering Platform to ease and enhance Adaptive Laboratory Evolution experiments
Adaptive Laboratory Evolution (ALE) is a powerful approach to leverage biology’s evolutionary capacity to develop strains that thrive in challenging growth environments, with applications to biotechnology and bioproduction and for basic biochemical discovery. ALE experiments have been enabled by nex... More
Application
Benchling for Gene Therapy & Gene Editing R&D
Modern gene therapy requires investigation of a wide variety of genes of interest, engineering of delivery vectors, and optimization of vector production processes. This necessitates a strong digital foundation to comprehensively characterize gene therapy candidates to bring the best products into t... More
Application
Benchling & uniQure: Bringing a gene therapy pioneer from paper to the cloud
uniQure is rapidly advancing a pipeline of AAV-based gene therapies to treat patients with hemophilia, Huntington’s disease, and other severe genetic diseases, but they needed a digital solution that could track their gene therapy workflows end-to-end and enable international collaboration. Learn ho... More
Application
Benchling & Beam Therapeutics: A Two-Pronged Approach to Automation for Gene Therapy Research
Beam Therapeutics is developing a new class of genetic medicines using novel base editing technology that enables them to edit precise sets of base pairs without introducing a double-stranded break in the DNA. Beam needs to evaluate thousands of biological samples each week, but their digital infras... More
Application
Benchling for Industrial Biotech R&D
Industrial biotechnology is transforming traditional manufacturing technologies by providing more eco-friendly approaches like bioprocessing and biomanufacturing. However, there are several hurdles for industrial biotech companies seeking to develop next-gen strains, novel processes, and new applica... More
Application
Benchling for CRISPR Screening
CRISPR screening is a revolutionary methodology to identify genes of interest underlying a specific phenotype. CRISPR can be scaled up for screening applications because of the versatility of CRISPR/Cas9 in disrupting target DNA and the ease of gRNA/plasmid generation. However, large-scale use of th... More
Primer
Selecting a Functional Oligonucleotide from a Random Mix
SELEX (Systematic Evolution of Ligands by EXponential enrichment) was first described and used in 1990 to isolate a functional oligonucleotide from a random pool of differently-shaped DNA or RNA molecules.1-2SELEX-derived oligonucleotides (RNA or single-stranded DNA) known as aptamers, bind with hig... More
Primer
Solvent Precipitation Method Increases Protein Recovery for Proteomics
Study designs in proteomics aim for inclusivity—to characterize every protein in a sample. However, extracting proteins from complex biological samples involves the use of harsh buffers containing detergents and salts that are incompatible with the proteomics workflow. More proteins are lost in atte... More
Primer
Orthogonal Validation in Genome Editing Discovery Work
Simply put, orthogonal validation uses additional methods that provide very different selectivity to the primary method to confirm or refute a finding. All methods are independent approaches that can answer the same question and are used to evaluate and verify the findings. According toClarence Mill... More
Audio
GEN Protocols Expert Exchanges: Next Generation Techniques to Develop Genetic Medicines
The past decade has seen a shift in drug discovery to include targeting the root cause of genetic diseases: loss-of-function, gain-of-function, and change-of-function mutations in the genome. Although first generation genetic medicines like gene therapies heralded a new approach to treating previous... More
Featured Content
-
Protocol
Multiplexed, trackable CRISPR-based genome engineering for optimization of heterologous protein expression and activity in E. coli -
Application
Rebuilding evolutionary success: Using Inscripta’s Onyx Digital Genome Engineering Platform to ease and enhance Adaptive Laboratory Evolution experiments -
Protocol
Enrichment of transfected cells with Dharmacon Edit-R Fluorescent dCas9-VPR mRNA - More