AAV with CMV promoter driven Cre Inducible hChR2(C128S)-EYFP
Cat. No: VB3216
Availability:
2-3 weeks
Name:
AAV-cDNA6-DIO-hChR2(C128S)-EYFP
This AAV expresses DIO-hChR2(C128S)-EYFP driven by an ubiquitous CMV promoter.
This roughly 0.6 Kb promoter is the commonly used human cytomegalovirus (CMV) immediate-early promoter/enhancer (CMV/IE).
hChR2 is a humanized version of ChR2 for mammalian expression. Wild-type ChR2, as well as a few of its mutations, provides the fastest excitation of the channelrhodopsins offered, and is widely used in in optogenetics techniques in neuroscience. Mutations at C128 (C128A, C128S, C128T) can extend depolarization up to seconds or even minutes; they are sometimes referred to as step-function opsins or SFOs. hChR2(C128S) provides for a 1.7-minute open-state lifetime and shows moderate expression in the hippocampal neurons and Pichia pastoris. Like C128T, it is inactivated at strong light.
In the DIO scenario, the transgene of interest is inserted in reverse orientation relative to the 5' promoter and is flanked by oppositely oriented loxP and lox2272 sites. In the absence of Cre expression, the transgene will not be produced. In the presence of Cre expression, the transgene will be "FLip-EXchanged" or FLEXed, leading to expression of the transgene. This is due to a permanent Cre-mediated recombination/inversion of the flanked transgene. This arrangement is called DIO (double-floxed inverse ORF), Cre-ON, Flex-rev (reverse), Flex-ON/FlexON, or DIO-AAV/AAV-DIO (double-floxed inverse ORF in AAV).
This roughly 0.6 Kb promoter is the commonly used human cytomegalovirus (CMV) immediate-early promoter/enhancer (CMV/IE).
hChR2 is a humanized version of ChR2 for mammalian expression. Wild-type ChR2, as well as a few of its mutations, provides the fastest excitation of the channelrhodopsins offered, and is widely used in in optogenetics techniques in neuroscience. Mutations at C128 (C128A, C128S, C128T) can extend depolarization up to seconds or even minutes; they are sometimes referred to as step-function opsins or SFOs. hChR2(C128S) provides for a 1.7-minute open-state lifetime and shows moderate expression in the hippocampal neurons and Pichia pastoris. Like C128T, it is inactivated at strong light.
In the DIO scenario, the transgene of interest is inserted in reverse orientation relative to the 5' promoter and is flanked by oppositely oriented loxP and lox2272 sites. In the absence of Cre expression, the transgene will not be produced. In the presence of Cre expression, the transgene will be "FLip-EXchanged" or FLEXed, leading to expression of the transgene. This is due to a permanent Cre-mediated recombination/inversion of the flanked transgene. This arrangement is called DIO (double-floxed inverse ORF), Cre-ON, Flex-rev (reverse), Flex-ON/FlexON, or DIO-AAV/AAV-DIO (double-floxed inverse ORF in AAV).
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Viral Details
- Viral Backbone
- Recombinant AAV
- AAV-ITR
- AAV2
- AAV Serotype
- Available in AAV1, AAV2, AAV3, AAV5, AAV6, AAV8, AAV9, AAV-DJ, AAV-DJ8, AAV-DJ9 and other wildtype/synthetic AAV capsids
- Promoter
- CMV (ubiquitous)
- Storage Buffer
- PBS/5% Glycerol
- Volume
- 200ul
- Titer
- 1x10^13 GC/ml
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