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We narrowed to 256 results for: human dat

Showing: 61 - 80 of 256 results

  1. Antibodies 101: Chimeric Antibodies

    Type
    Blog Post
    Published
    April 25, 2023, 1:15 p.m.
    ...process, antibodies derived from non-human species like mice are “humanized” by replacing as much of the non-antigen...non-antigen binding mouse sequence as possible with human antibody sequences.  Additional considerations ...antibodies are both extensively published, knockout validated, and work in your application. But…they are the...differences are subtle, chimeric antibodies should be revalidated before use. In addition, chimeric antibodies ...resources on the Addgene blog Antibodies 101: Validation Antibodies 101: Polyclonal Antibodies Antibodies...

  2. Important Considerations When Using AAVs

    Type
    Blog Post
    Published
    June 13, 2017, 2:30 p.m.
    ... The use of AAVs in humans AAVs are already being used to treat disease in humans and additional improvements...are suspected cases of insertional mutagenesis in humans (1) and AAVs are non-enveloped viruses, so they...for anterograde and retrograde axonal transport." Human gene therapy 25.8 (2014): 705-720. PubMed PMID: ...and the role of rep proteins in vector purity." Human gene therapy 18.2 (2007): 171-182. PubMed PMID: ...therapy: Platform for RNAi, Gene Editing and Beyond." Human Gene Therapy ja (2017). PubMed PMID: 28073291. Additional...predict the perfect titer, but one of the main recommendations when using AAVs is to avoid freezing and thawing...

  3. Adeno Associated Virus (AAV) for Cell and Gene Therapy

    Type
    Blog Post
    Published
    Nov. 7, 2017, 1:59 p.m.
    ...great promise for improving or potentially curing human diseases that were previously thought to be incurable...quickly identify underlying genetic causes of some human conditions, opening up new avenues for therapeutics...subretinal administration of rAAV2 carrying the human gene RPE65, patients with clinical diagnosis of ...and 5 are thought to be as high as 70% among the human population. These pre-existing antibodies can interfere...lack of immune cell development and function. To date, gene therapy has been used to treat 10 infants ...

  4. Visualizing Genomic Loci with CRISPR-Sirius

    Type
    Blog Post
    Published
    April 18, 2019, 12:53 p.m.
    ...labeling system to visualize chromosomal loci in human cells (Ma et al., 2015). To do so, they fused a ..., 26 of the 46 loci gave a detectable signal in human U2OS cells. Based upon this, they chose an intergenic...Multicolor CRISPR labeling of chromosomal loci in human cells.” Proceedings of the National Academy of Sciences...CRISPR-Sirius, the brightest CRISPR-based tool to date for visualizing genomic loci in living cells. Previous...in CRISPRainbow, they knew they could be good candidates for further development. They inserted an octet...

  5. Predicting Adverse Reactions to Monoclonal Antibody Drugs

    Type
    Blog Post
    Published
    Feb. 13, 2024, 2:15 p.m.
    ...they are designed to mimic the human lymphatic system or even the human skin and subcutaneous models (...blood mononuclear cells (PBMC) in 3D models of the human lymphatic system. PBMCs consist of various immune... These algorithms are trained on vast amounts of data to calculate the relative immunogenicity score (...of in vitro prediction of immunogenicity is to validate the findings from the in silico assessments, as...Korte, E. Schenck, & G. F. Weinbauer (Eds.), The Nonhuman Primate in Nonclinical Drug Development and Safety...

  6. The PAM Requirement and Expanding CRISPR Beyond SpCas9

    Type
    Blog Post
    Published
    Aug. 20, 2020, 2:30 p.m.
    ...pyogenes Cas9 (3'-NGG) are abundant throughout the human genome, they are not always positioned correctly...double the targeting range of CRISPR/Cas9 within the human genome. Another variant, xCas9 3.7 has 7 mutations... reveals specificities of Cpf1 endonucleases in human cells. Nat Biotechnol 34:863–868 . https://doi.org...Genome-wide specificities of CRISPR-Cas Cpf1 nucleases in human cells. Nat Biotechnol 34:869–874 . https://doi.org...Originally published Nov 12, 2015 and last updated Aug 20, 2020. Cas9 can be used to modify any desired...Jennifer Tsang and Mary Gearing contributed to the update of this post. References Abudayyeh OO, Gootenberg... CRISPR Guide Browse All CRISPR Plasmids Find Validated gRNAs ...

  7. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

    Type
    Blog Post
    Published
    May 2, 2019, 12:41 p.m.
    ...(unless if you count normal human interaction for all of us studying human genes in test tubes and gels...Mello) These very cute birds learn their songs like humans learn speech. Finches must learn early, use auditory...existence, but most abundant cell on earth (twice the human biomass). The lab is developing a system using novel...research plans that went beyond obtaining “omic” data and had to include clear plans to connect Genotype... labs to rapidly disseminate protocols, methods, data, and tools that result from their work. Researchers...that tastes yucky (and is poisonous) for bird predators - birds eat a caterpillar once, vomit, and never...

  8. Hot Plasmids Spring 2024

    Type
    Blog Post
    Published
    May 23, 2024, 1:15 p.m.
    ...in vivo screening of human promoters, the Zhang Lab found a short fragment of human IBA1 promoter (hIBA1a...-cell sequencing, and optical pooled screens in human cells. Addgene offers vectors for CROPseq-multi ...various contexts in vitro and in vivo, including in human retinal organoids and live mice. Importantly, REVeRT...AAV Vector System Neurodegeneration Collection updates   Multiplexed perturbation and decoding in pooled... New and notable Neurodegeneration Collection updates Last but not least, check out the new and noteworthy...Neurodegeneration Research Collection. This page is regularly updated with useful materials for research into Alzheimer...

  9. Popular Retroviral Vectors and Their Uses in Scientific Research

    Type
    Blog Post
    Published
    July 24, 2018, 12:51 p.m.
    ...technology pdCas9-humanized (Plasmid #44246) Expression of a catalytically inactive (dead), human codon-optimized...whereas lentiviral vectors are derived from the human immunodeficiency virus (HIV) genome. For research...Addgene: Follow our viral vector blog posts for updates on the most recent deposits, protocols, and tips...check www.genome-engineering.org for the most up-to-date information. Check our CRISPR guide and blog to ...

  10. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    Published
    Oct. 12, 2023, 1:15 p.m.
    ...distinct interneurons in mice, non-human primates and humans.Nature neuroscience, 23(12), 1629–1636. https...evolve new systemic capsids for both rodents and non-human primates (NHPs). These engineered capsids have increased...adeno-associated virus; GRE, gene regulatory element; NHP, non-human primate. Many of the systemic capsids in our...rhesus macaque, are approximately more similar to humans than New World Monkeys and rodents. Image and caption...compared to AAV9 and AAV.MaCPNS2. Ex vivo macaque and human brain slices Several of the systemic capsids mentioned...pigtail (Macaca nemestrina) or rhesus macaque, and on human brain slices cultured in physiological conditions...outperformed the other capsids in the rhesus macaque and human brain slices. This capsid’s high transduction efficiency...

  11. Plasmids 101: The Wide World of Natural Plasmids

    Type
    Blog Post
    Published
    Oct. 8, 2024, 1:15 p.m.
    ...the tools of a millennia-old microbial war that humans only noticed last century! Nevertheless, the transfer...researchers have suggested they may have relevance to human health (Fogarty et al., 2024), and others have proposed...among the most numerous genetic elements in the human gut. Cell, 187(5), 1206-1222.e16. https://doi.org...routinely in biotechnology to transform plant cells. Degradative plasmids: microbial hardiness There are also ...organisms. To conserve energy, these specialized degradative capabilities are often tightly regulated to be...written by Jessica Welch in January 2017 and was updated by Emily P. Bentley in October 2024. References...

  12. AAV Vector Quality Control: Going the Extra Mile with NGS

    Type
    Blog Post
    Published
    Sept. 12, 2017, 1:44 p.m.
    ...produced by scientists - not robots. Unfortunately, humans have been known to make mistakes. What if a tube... of accidental errors increases. In addition to human error, fragments of DNA from the helper plasmids...Adeno-Associated Viral Preparations from Viral DNA Extracts. Human Gene Therapy 31:664–678 . https://doi.org/10.1089...Updated Jun 1, 2021 by Meghan Rego. Reproducible data are key to science, so scientists are used to repeating...DNase-treated AAV and submitted for NGS. Raw sequencing data is analyzed to determine the identity and serotype...BLASTed against the NCBI nucleotide collection database, and it may also be aligned to plasmids in our...contaminant is Addgene plasmid #44362. Method validation, limitations, and future plans How did AAV-68544...

  13. Hot Plasmids and Viral Preps - January 2021

    Type
    Blog Post
    Published
    Jan. 5, 2021, 2:15 p.m.
    ...that CRISPR-Casɸ is active in vitro as well as in human and plant cells. Casɸ from Biggiephage can...lentiviral CRISPR knockout library that targets human epigenetic genes was deposited by Kivanc Birsoy.... CRISPR screens by using this lentiviral CRISPR human genome-wide library deposited by Leopold Parts. ...the most photostable yellow fluorescent protein to date By Justin Ng High-throughput screening methods, ...the parent YFP, and is the most photostable YFP to date. As such, mGold is expected to contribute to experiments...

  14. Pairing CombiGEM and CRISPR for Combinatorial Genetic Screening

    Type
    Blog Post
    Published
    April 12, 2016, 2:30 p.m.
    ..."Genome-scale CRISPR-Cas9 knockout screening in human cells." Science 343.6166 (2014): 84-87. PubMed PMID...PMC4089965. 9. Wang, Tim, et al. "Genetic screens in human cells using the CRISPR-Cas9 system." Science 343.6166...Massively parallel high-order combinatorial genetics in human cells." Nature biotechnology (2015). PubMed PMID...barcodes. CombiGEM is highly flexible and can accommodate any genetic elements of interest. It can thus...

  15. Fluorescent Proteins 101: Visualizing Subcellular Structures & Organelles

    Type
    Blog Post
    Published
    June 22, 2017, 2:30 p.m.
    ...The same way the human body is made up of organs, cells comprise compartments and structures, called ...sensitive to detecting light signals not visible to the human eye and are indifferent to subjective color intensity...More about Plasmids for Endogenous Gene Tagging in Human Cells Check Out the Michael Davidson Fluorescent...created your fusion protein, it's important to validate its function relative to the untagged, wild-type...wild-type protein. You may, for example, validate that the fusion protein localizes properly by comparing the...protein of interest. Scientists are continuously updating and optimizing FP tools to avoid these problems...

  16. CRISPR Kinome Libraries Available: Pooled and Individual Plasmid Formats

    Type
    Blog Post
    Published
    Sept. 9, 2016, 2:43 p.m.
    ...provide CRISPR libraries targeting the mouse and human kinomes. While any subset of the genome is limited...individual lentiGuide gRNA plasmids targeting the human kinome. These plasmids contain the same 3-4 gRNAs...Our New and Improved Pooled Library Page Find Validated gRNAs Deposit Your CRISPR Plasmids ...

  17. Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells

    Type
    Blog Post
    Published
    Dec. 10, 2020, 1 p.m.
    ...donor DNA leads to a vast majority of AdV-modified human cells being subjected to scarless homology-directed...induces targeted mutagenesis in a diverse array of human cells. Sci Rep 4: . https://doi.org/10.1038/srep05105...Liver in Spite of Cas9-Specific Immune Responses. Human Gene Therapy 26:432–442 . https://doi.org/10.1089...Originally published Sep 30, 2014 and last updated Dec 10, 2020 by Benoit Giquel.   Adenoviral vectors... 2012). These features make AdV an attractive candidate for in vivo delivery of advanced genome editing...

  18. Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More

    Type
    Blog Post
    Published
    Aug. 13, 2019, 12:58 p.m.
    ... published in 2013, revealing that about 70% of human genes have a counterpart in zebrafish. Understanding... genes in fish will help clarify their roles in humans. The sequenced genome also permits “whole-genome...successful disease models, and are used to study human illnesses such as blood disorders, diabetes, cancer...fertility. Several zebrafish-specific gene expression databases that provide information about when and where ...developed to help parse and visualize expression data in useful ways. Zebrafish mutants In the 1990’s,...China. In addition, the Zebrafish Model Organism Database ZFIN actively curates information on mutants and...types. Sequencing-based lineage tracing can help elucidate the gene networks that transform zygotes into ...

  19. The Challenges of Cell Culture

    Type
    Blog Post
    Published
    May 5, 2016, 2:30 p.m.
    ...contaminated with HeLa cells, the first immortalized human cell line. He proved this by examining whether the...the tens or hundreds of millions, let alone the human cost. Here are just a few publications which have...can place suspects at the scene of a crime (every human in the world has a unique STR profile) and can also...cell lines on public databases. Image attributions (from top to bottom) Database Center for Life Science... Cell Line Authentication Committee includes a database listing all cross contaminated or misidentified...colleague?”. The main difference is the QC and validation carried out by the commercial repository. Repositories...incubator containing the passage number, cell line, and date, which you complete each time you passage the cells...

  20. Viral Vectors 101: AAV Serotypes and Tissue Tropism

    Type
    Blog Post
    Published
    Jan. 16, 2025, 3:42 p.m.
    ...HSPG)3 AAV receptor (not strictly required)2 Human fibroblast growth factor receptor 1 (FGFR1)3 αVβ5...AAV1, AAV6, AAV7, and AAV8 in the Mouse and Rat. Human Gene Therapy, 19(12), 1359–1368. https://doi.org...After Intravenous and Direct Kidney Injections. Human Gene Therapy, 30(12), 1559–1571. https://doi.org...-associated virus serotypes: Vector toolkit for human gene therapy. Molecular Therapy: The Journal of ...administration doses. Don't forget to submit your validation data after your experiment! Thanks to Addgenies ...species, so be sure to check the literature and validate your choice of AAV vector for your experimental...system. As we cannot make universal serotype recommendations, the following table focuses on tissue tropism...
Showing: 61 - 80 of 256 results