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...serotypes utilize a number of different receptors, co-receptors, and other mechanisms to gain entry into...other factors can also affect your AAV experiments. Luckily, the other posts in our Viral Vectors 101 series...on the Addgene blog Viral Vectors 101: An Introduction to AAV Viral Vectors 101: The AAV Retrograde Serotype...Using AAV vectors in complex biological systems can be tricky at best, and downright infuriating at worst...know what expression pattern you need, and the factors in your system that can affect expression, before...before starting the selection process. Factors to think about are (1) your experimental conditions and measurements...testing, and optimizing three key variables of an AAV vector: serotype, promoter, and titer.     Figure...

...-dependent vectors, this can cause challenges for the experimental design as these vectors can exhibit...your system. Chemogenetic vectors  Expression of retrograde serotype vectors is present at both the injection...expression, and has retrograde functionality to monitor and map neurons (Tervo et al., 2016). With AAVrg...neuronal tracing reagents, AAV particles require receptor-mediated entry into the cell. This means that ...serotype to conduct experiments with chemogenetic vectors, this property must be taken into account since...projection neurons retrogradely transduced by the vector. One method for minimizing the impact of this phenomenon...phenomenon is to use a retrograde recombinase-expressing vector (e.g. Cre or FLP) to transduce the projection pathway...

...Browse Our Viral Vector Pages Learn About Viral Vector Biosafety Deposit Your Viral Vectors ... Viruses are essentially DNA (or RNA) delivery vectors, so what makes them better than the alternatives...measures in a separate, upcoming post. If a viral vector seems like the right approach for your experiment...experiment?           Click Here to Find Viral Vector Resources at Addgene! References and Resources...S, Varmus H. Retroviruses. Cold Spring Harbor Laboratory Press; Cold Spring Harbor, NY, USA: 1997. PubMed... J, et al. “Altering the tropism of lentiviral vectors through pseudotyping.” Curr. Gene. Ther. 5 (2005...

...Therapeutics, co-founded by Harvard Investigators and Addgene depositors David Liu, PhD, Keith Joung, PhD...to Rett Syndrome, this blog post describes the history of Rett Syndrome research, the role of the MECP2...exhibit slow head growth, develop seizures, cardio-respiratory dysfunction, distinctive hand movements, and ...& Bird, 2019) and is a global transcriptional regulator of thousands of genes. Studies have suggested ...neurological deficits observed in Rett Syndrome. Restoring the MECP2 gene by excision of the Stop cassette...precise amount of protein to each brain cell to restore physiological levels. Much research is now focused...researchers developed adeno-associated viral (AAV) vectors for the targeted delivery of a functional MECP2...

...plasmid tools! Thank you depositors! In fact, this year, Addgene depositors quickly stepped up to make... as an example). Depositor Week will be fun for everyone, whether you are a depositor or not. We will ...Tuesday: Depositor features (plasmid deposits and blog posts showcasing the work of depositors) Wednesday...for some Addgene depositor fun facts for a quick way to grasp the big impacts depositors have on science...your calendars for November 16-20, 2020 for #DepositorWeek on Twitter!  That’s today through Friday. There...scientists who make a big impact in open science. Depositors consistently contribute to our collection so ...COVID-19 related plasmids currently in Addgene’s repository which have been requested about 1,500 times from...

...deposited into repositories, and financial support to maintain repositories’ capacity for storing, validating...through a repository, they remain accessible during these times. Centralized reagent repositories, also known...dedicated facilities and manpower that a repository provides. Repositories around the world facilitate the rapid... the scientific community can support repositories. Repositories are essential for the advancement of ...original sources. Figure 1: Biological repositories that distribute mouse strains, plasmids, cell...Culture Collection (ATCC) is a private, nonprofit repository for a variety of materials for life science research... sharing and distribution of cell lines from repositories on opposite sides of the world shows that science...

...ve added many new tools to our inventory of ready-to-use viral vectors. Here are some of the AAV and lentiviral...Serotype Testing AAV inventory for the entire collection! Plasmid Serotype Name Depositor 27056 AAVrg pAAV-Ef1a-DIO...pAAV-EF1a-Flp-DOG-NW Connie Cepko Viral vectors coming soon! These vectors listed below should be released at... of our viral vectors blog posts Find tips for preparing AAVs Download our viral vectors 101 eBook Resources...mDlx enhancer element. Plasmid Serotype Name Depositor 75470 AAV1 pAAV-CAG-FLEXFRT-ChR2(H134R)-mCherry...promotes neuronal firing. Plasmid Serotype Name Depositor 44361 AAV1 pAAV-hSyn-DIO-hM3D(Gq)-mCherry Bryan...also available in AAV1. Plasmid Serotype Name Depositor 69570 AAV1 pAAV-EF1a-N-CretrcintG Connie Cepko...

...ve added many new tools to our inventory of ready-to-use viral vectors. Here are some of the AAV we have...pAAV.hSynapsin.SF-iGluSnFR.A184S Viral vectors coming soon! These vectors should be packaged and available ... of our viral vectors blog posts Find tips for preparing AAVs Download our viral vectors 101 eBook Resources...few months. You can also browse our entire AAV inventory. Our new AAVs include: Optogenetics AAV Control...in new serotypes. See our Serotype Testing AAV inventory for the entire collection! Plasmid Serotype...norepinephrine Neuroscience research relies on accurate monitoring of neurotransmitters and we are excited to offer...

...science stories. Here are some of our favorite spooky science stories. Six spooky science stories Zombie...Plasmid pumpkins, team costumes, and spooky science stories. Yes, please! At Addgene, we love finding ways ...Vampire bacteria Vampirovibrio chlorellavorus is a predatory bacteria that attaches to the cell wall of green...forcing it out of hiding to become exposed to predators. Hungry birds spots the “caterpillar” and then... "Back from the dead; the curious tale of the predatory cyanobacterium Vampirovibrio chlorellavorus." ...

...ve added many new tools to our inventory of ready-to-use viral vectors. Here are some of the AAV we have...Testing AAV inventory for the entire collection! We are expanding our entire control AAV inventory to give...Calcium Sensors). We are expanding the inventory of these vectors to more serotypes. We currently package...GCaMP7s. See all our biosensors inventory, and check out our latest vectors below: pGP-AAV-syn-jGCaMP7f-...addition to our inventory of Cre-dependent GABA sensors. See all our GABA sensor AAV inventory here. pAAV.hSynap.iGABASnFR...support by growing our inventory of recombinases and recombinase-dependent vectors. We recently released...pENN.AAV.hSyn.Cre.WPRE.hGH (105553-AAV5) Dre vector AAV phSyn1(S)-DreO-bGHpA (50363-AAV5) Flp vectors pAAV-EF1a-mCherry-IRES-Flpo...