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We narrowed to 162 results for: Cre

Showing: 21 - 40 of 162 results
  1. Viral Vectors 101: The AAV Retrograde Serotype

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    Blog Post
    ...by injecting a Cre-dependent AAV into Broca’s area of a mouse specifically expressing Cre in the hippocampus... However, the Cre-dependent AAV cargo would only become activated in the presence of Cre recombinase, ...genetically controlled function. By using AAVrg in Cre transgenic mouse lines, you can access and manipulate...hippocampus (Fig. 3). The Cre-dependent AAV would access the neurons (Fig. 3A) that project to Broca’s area...a retrograde recombinase-expressing vector (e.g. Cre or FLP) to transduce the projection pathway neurons...
  2. Plasmids 101: Knockout/Knock-In Plasmids

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    Blog Post
    ...researchers usually remove it after selection using the Cre/Lox recombination system. After “floxing” the resistance... you can remove the gene through the addition of Cre recombinase (Figure 2). Figure 2: A knockout...so that it can be removed post-selection through Cre-mediated recombination.   Knockout/Knock-in...example, you can remove a floxed resistance gene using Cre recombinase. If GFP is under control of an endogenous... conditional knockout, researchers often use the Cre/Lox system described earlier. In this case, you design... you'll first remove the resistance marker using Cre recombinase. Since there are 3 loxP sites, recombination...hence knock out the gene) through a second round of Cre recombination.  The future of knockout plasmids Although...
  3. A Practical Guide to Optimizing AAV DIO and FLEx Vector Expression

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    Blog Post
    ...transgenic models that express recombinases like Cre or Flp in their cells of interest and recombinase-dependent... pairs of specific sequences, lox (recognized by Cre) or frt (recognized by Flp), to either flip or excise...The two recombination sites are both recognized by Cre, but they are comprised of different sequences (loxp...lox2272) and can not recombine with each other. When Cre is introduced to the system it binds one pair of ...sandwiched between 2 loxp sites and is excised by Cre (Figure 1). This results in one loxp site and one...of this spurious expression?   Figure 1.  Cre-recombinase binds to either pair of lox sites, let's...to leaky expression in cells that do not express Cre or Flp. Here at Addgene we quantify the amount of...
  4. Viral Vectors 101: Parts of the AAV Transfer Plasmid

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    Blog Post
    ...DIO. Lox sites are recognized by the recombinase Cre. Cre first flips the sequence between the first pair...them.  Lox sites Lox sites, in combination with the Cre recombinase, are used to spatially and temporally...flipped transgene. By restricting the availability of Cre, lox sites lets researchers control the spatial and... activation of a transgene. Figure 2: FLEX Cre-Lox system.  WPRE The Woodchuck Hepatitis Virus...
  5. Synthetic promoter AAVs for cell-type specific expression in retinal cells

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    Blog Post
    ...drive expression of Cre-mCherry and a second promoter to drive expression of a Cre-dependent fluorescent...will only result in cells where Cre-mCherry is also expressed. If Cre-mCherry expresses in photoreceptors...photoreceptors and horizontal cells, and Cre-dependent-GFP expresses in horizontal cells and ganglion cells, only...horizontal cells transduced by both AAVs would express Cre-mCherry and GFP.   Figure 2: Synthetic promoters...
  6. Another Pathway into Cells: iTOP

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    Blog Post
    ... Primary cells recapitulate the natural biology of a cell type of interest better than immortalized lines...tested iTOP in a series of primary cell types using Cre and various loxP reporters. In both mouse and human...potential application of iTOP Having tested iTOP using Cre-lox recombination, D’Astolfo et al. were eager to...protein expression has a long-lasting effect, such as Cre- or Cas9-mediated recombination. Both primary hESCs...
  7. New Viral Vectors - Fall 2024

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    Blog Post
    ...AAV-GfaABC1D-Cre-4x6T AAV5 Recombinases Stanley Thomas Carmichael New viral prep pAAV-EF1a-fDIO-Cre AAV5 ...Collection. These preps drive expression of either Cre recombinase or a fluorescent marker in the various...Recombinases Esteban Engel New serotype pAAV-hSyn-Cre-P2A-dTomato AAV PHP.eB Recombinases Rylan Larsen ...
  8. New and Upcoming Viral Vectors - Spring 2019

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    Blog Post
    ...DreO-bGHpA 121675  AAV9  pAAV-EF1a-fDIO-Cre (FLP-dependent CRE) 55634  AAV1  pAAV-EF1a-mCherry-IRES-... constitutive (pAAV-Syn-Archon1-KGC-GFP-ER2) and cre-dependent version (pAAV-Syn-FLEX-rc [Archon1-KGC-...membrane-embedding voltage detector. Find Archon1 and its cre-dependent version at Addgene! Fluorescent protein...
  9. Deciphering the Mysteries of Behavior with Viral Vectors

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    Blog Post
    ...researchers injected Cre-expressing AAV-5 into the DRN of a transgenic mouse harbouring a Cre-dependent IL-1...injected AAV2 particles into a Drd1-Cre transgenic mouse to deliver Cre-dependent expression of  Channelrhodopsin...-1 beta overexpression cassette. Expression of Cre in these neurons turns on overexpression of IL-1 beta...
  10. Top Requested Lentivirus and AAV of 2016

    Type
    Blog Post
    ...Expression of hM4D(Gi)-mCherry from this virus is cre-dependent, meaning that once injected, the DREADD...DREADD will only be expressed in cells that express cre recombinase. Typically, this feature is used to attain...cell-specific expression in transgenic animals, where cre expression is restricted to a particular cell type...the first time, the Roth Lab recommends verifying cre expression prior to use. The lab additionally recommends...
Showing: 21 - 40 of 162 results